F: arch/arm/mach-shmobile/
F: arch/arm64/boot/dts/renesas/
F: arch/riscv/boot/dts/renesas/
+F: drivers/genpd/renesas/
F: drivers/soc/renesas/
F: include/linux/soc/renesas/
K: \brenesas,
obj-y += bcm/
obj-y += mediatek/
obj-y += qcom/
+obj-y += renesas/
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+# SoC
+obj-$(CONFIG_SYSC_R8A7742) += r8a7742-sysc.o
+obj-$(CONFIG_SYSC_R8A7743) += r8a7743-sysc.o
+obj-$(CONFIG_SYSC_R8A7745) += r8a7745-sysc.o
+obj-$(CONFIG_SYSC_R8A77470) += r8a77470-sysc.o
+obj-$(CONFIG_SYSC_R8A774A1) += r8a774a1-sysc.o
+obj-$(CONFIG_SYSC_R8A774B1) += r8a774b1-sysc.o
+obj-$(CONFIG_SYSC_R8A774C0) += r8a774c0-sysc.o
+obj-$(CONFIG_SYSC_R8A774E1) += r8a774e1-sysc.o
+obj-$(CONFIG_SYSC_R8A7779) += r8a7779-sysc.o
+obj-$(CONFIG_SYSC_R8A7790) += r8a7790-sysc.o
+obj-$(CONFIG_SYSC_R8A7791) += r8a7791-sysc.o
+obj-$(CONFIG_SYSC_R8A7792) += r8a7792-sysc.o
+obj-$(CONFIG_SYSC_R8A7794) += r8a7794-sysc.o
+obj-$(CONFIG_SYSC_R8A7795) += r8a7795-sysc.o
+obj-$(CONFIG_SYSC_R8A77960) += r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77961) += r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77965) += r8a77965-sysc.o
+obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o
+obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o
+obj-$(CONFIG_SYSC_R8A77990) += r8a77990-sysc.o
+obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
+obj-$(CONFIG_SYSC_R8A779A0) += r8a779a0-sysc.o
+obj-$(CONFIG_SYSC_R8A779F0) += r8a779f0-sysc.o
+obj-$(CONFIG_SYSC_R8A779G0) += r8a779g0-sysc.o
+# Family
+obj-$(CONFIG_SYSC_RCAR) += rcar-sysc.o
+obj-$(CONFIG_SYSC_RCAR_GEN4) += rcar-gen4-sysc.o
+obj-$(CONFIG_SYSC_RMOBILE) += rmobile-sysc.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1H System Controller
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7742-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7742_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7742_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7742_PD_CA15_SCU, R8A7742_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7742_PD_CA15_CPU0, R8A7742_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7742_PD_CA15_CPU1, R8A7742_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu2", 0x40, 2, R8A7742_PD_CA15_CPU2, R8A7742_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu3", 0x40, 3, R8A7742_PD_CA15_CPU3, R8A7742_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca7-scu", 0x100, 0, R8A7742_PD_CA7_SCU, R8A7742_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A7742_PD_CA7_CPU0, R8A7742_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A7742_PD_CA7_CPU1, R8A7742_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu2", 0x1c0, 2, R8A7742_PD_CA7_CPU2, R8A7742_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu3", 0x1c0, 3, R8A7742_PD_CA7_CPU3, R8A7742_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "rgx", 0xc0, 0, R8A7742_PD_RGX, R8A7742_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7742_sysc_info __initconst = {
+ .areas = r8a7742_areas,
+ .num_areas = ARRAY_SIZE(r8a7742_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1M System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7743-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7743_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7743_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7743_PD_CA15_SCU, R8A7743_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7743_PD_CA15_CPU0, R8A7743_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7743_PD_CA15_CPU1, R8A7743_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "sgx", 0xc0, 0, R8A7743_PD_SGX, R8A7743_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7743_sysc_info __initconst = {
+ .areas = r8a7743_areas,
+ .num_areas = ARRAY_SIZE(r8a7743_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1E System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7745-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7745_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7745_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca7-scu", 0x100, 0, R8A7745_PD_CA7_SCU, R8A7745_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A7745_PD_CA7_CPU0, R8A7745_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A7745_PD_CA7_CPU1, R8A7745_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "sgx", 0xc0, 0, R8A7745_PD_SGX, R8A7745_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7745_sysc_info __initconst = {
+ .areas = r8a7745_areas,
+ .num_areas = ARRAY_SIZE(r8a7745_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1C System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77470-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77470_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77470_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca7-scu", 0x100, 0, R8A77470_PD_CA7_SCU, R8A77470_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A77470_PD_CA7_CPU0, R8A77470_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A77470_PD_CA7_CPU1, R8A77470_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "sgx", 0xc0, 0, R8A77470_PD_SGX, R8A77470_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a77470_sysc_info __initconst = {
+ .areas = r8a77470_areas,
+ .num_areas = ARRAY_SIZE(r8a77470_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2M System Controller
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774a1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774a1_areas[] __initconst = {
+ { "always-on", 0, 0, R8A774A1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A774A1_PD_CA57_SCU, R8A774A1_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A774A1_PD_CA57_CPU0, R8A774A1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A774A1_PD_CA57_CPU1, R8A774A1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A774A1_PD_CA53_SCU, R8A774A1_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A774A1_PD_CA53_CPU0, R8A774A1_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A774A1_PD_CA53_CPU1, R8A774A1_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A774A1_PD_CA53_CPU2, R8A774A1_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A774A1_PD_CA53_CPU3, R8A774A1_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3vc", 0x380, 0, R8A774A1_PD_A3VC, R8A774A1_PD_ALWAYS_ON },
+ { "a2vc0", 0x3c0, 0, R8A774A1_PD_A2VC0, R8A774A1_PD_A3VC },
+ { "a2vc1", 0x3c0, 1, R8A774A1_PD_A2VC1, R8A774A1_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774A1_PD_3DG_A, R8A774A1_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774A1_PD_3DG_B, R8A774A1_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a774a1_sysc_info __initconst = {
+ .areas = r8a774a1_areas,
+ .num_areas = ARRAY_SIZE(r8a774a1_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2N System Controller
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774b1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774b1_areas[] __initconst = {
+ { "always-on", 0, 0, R8A774B1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A774B1_PD_CA57_SCU, R8A774B1_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A774B1_PD_CA57_CPU0, R8A774B1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A774B1_PD_CA57_CPU1, R8A774B1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "a3vc", 0x380, 0, R8A774B1_PD_A3VC, R8A774B1_PD_ALWAYS_ON },
+ { "a3vp", 0x340, 0, R8A774B1_PD_A3VP, R8A774B1_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A774B1_PD_A2VC1, R8A774B1_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774B1_PD_3DG_A, R8A774B1_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774B1_PD_3DG_B, R8A774B1_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a774b1_sysc_info __initconst = {
+ .areas = r8a774b1_areas,
+ .num_areas = ARRAY_SIZE(r8a774b1_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2E System Controller
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car E3 System Controller
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a774c0-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a774c0_areas[] __initdata = {
+ { "always-on", 0, 0, R8A774C0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A774C0_PD_CA53_SCU, R8A774C0_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A774C0_PD_CA53_CPU0, R8A774C0_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A774C0_PD_CA53_CPU1, R8A774C0_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3vc", 0x380, 0, R8A774C0_PD_A3VC, R8A774C0_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A774C0_PD_A2VC1, R8A774C0_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774C0_PD_3DG_A, R8A774C0_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774C0_PD_3DG_B, R8A774C0_PD_3DG_A },
+};
+
+/* Fixups for RZ/G2E ES1.0 revision */
+static const struct soc_device_attribute r8a774c0[] __initconst = {
+ { .soc_id = "r8a774c0", .revision = "ES1.0" },
+ { /* sentinel */ }
+};
+
+static int __init r8a774c0_sysc_init(void)
+{
+ if (soc_device_match(r8a774c0)) {
+ /* Fix incorrect 3DG hierarchy */
+ swap(r8a774c0_areas[6], r8a774c0_areas[7]);
+ r8a774c0_areas[6].parent = R8A774C0_PD_ALWAYS_ON;
+ r8a774c0_areas[7].parent = R8A774C0_PD_3DG_B;
+ }
+
+ return 0;
+}
+
+const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {
+ .init = r8a774c0_sysc_init,
+ .areas = r8a774c0_areas,
+ .num_areas = ARRAY_SIZE(r8a774c0_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2H System Controller
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car H3 System Controller
+ * Copyright (C) 2016-2017 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774e1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774e1_areas[] __initconst = {
+ { "always-on", 0, 0, R8A774E1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A774E1_PD_CA57_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A774E1_PD_CA57_CPU0, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A774E1_PD_CA57_CPU1, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+ { "ca57-cpu2", 0x80, 2, R8A774E1_PD_CA57_CPU2, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+ { "ca57-cpu3", 0x80, 3, R8A774E1_PD_CA57_CPU3, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A774E1_PD_CA53_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A774E1_PD_CA53_CPU0, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A774E1_PD_CA53_CPU1, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A774E1_PD_CA53_CPU2, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A774E1_PD_CA53_CPU3, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+ { "a3vp", 0x340, 0, R8A774E1_PD_A3VP, R8A774E1_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A774E1_PD_A3VC, R8A774E1_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A774E1_PD_A2VC1, R8A774E1_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774E1_PD_3DG_A, R8A774E1_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774E1_PD_3DG_B, R8A774E1_PD_3DG_A },
+ { "3dg-c", 0x100, 2, R8A774E1_PD_3DG_C, R8A774E1_PD_3DG_B },
+ { "3dg-d", 0x100, 3, R8A774E1_PD_3DG_D, R8A774E1_PD_3DG_C },
+ { "3dg-e", 0x100, 4, R8A774E1_PD_3DG_E, R8A774E1_PD_3DG_D },
+};
+
+const struct rcar_sysc_info r8a774e1_sysc_info __initconst = {
+ .areas = r8a774e1_areas,
+ .num_areas = ARRAY_SIZE(r8a774e1_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H1 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7779-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7779_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7779_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "arm1", 0x40, 1, R8A7779_PD_ARM1, R8A7779_PD_ALWAYS_ON,
+ PD_CPU_CR },
+ { "arm2", 0x40, 2, R8A7779_PD_ARM2, R8A7779_PD_ALWAYS_ON,
+ PD_CPU_CR },
+ { "arm3", 0x40, 3, R8A7779_PD_ARM3, R8A7779_PD_ALWAYS_ON,
+ PD_CPU_CR },
+ { "sgx", 0xc0, 0, R8A7779_PD_SGX, R8A7779_PD_ALWAYS_ON },
+ { "vdp", 0x100, 0, R8A7779_PD_VDP, R8A7779_PD_ALWAYS_ON },
+ { "imp", 0x140, 0, R8A7779_PD_IMP, R8A7779_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7779_sysc_info __initconst = {
+ .areas = r8a7779_areas,
+ .num_areas = ARRAY_SIZE(r8a7779_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H2 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7790-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7790_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7790_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7790_PD_CA15_SCU, R8A7790_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7790_PD_CA15_CPU0, R8A7790_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7790_PD_CA15_CPU1, R8A7790_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu2", 0x40, 2, R8A7790_PD_CA15_CPU2, R8A7790_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu3", 0x40, 3, R8A7790_PD_CA15_CPU3, R8A7790_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca7-scu", 0x100, 0, R8A7790_PD_CA7_SCU, R8A7790_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A7790_PD_CA7_CPU0, R8A7790_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A7790_PD_CA7_CPU1, R8A7790_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu2", 0x1c0, 2, R8A7790_PD_CA7_CPU2, R8A7790_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu3", 0x1c0, 3, R8A7790_PD_CA7_CPU3, R8A7790_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "sh-4a", 0x80, 0, R8A7790_PD_SH_4A, R8A7790_PD_ALWAYS_ON },
+ { "rgx", 0xc0, 0, R8A7790_PD_RGX, R8A7790_PD_ALWAYS_ON },
+ { "imp", 0x140, 0, R8A7790_PD_IMP, R8A7790_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7790_sysc_info __initconst = {
+ .areas = r8a7790_areas,
+ .num_areas = ARRAY_SIZE(r8a7790_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M2-W/N System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7791-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7791_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7791_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7791_PD_CA15_SCU, R8A7791_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7791_PD_CA15_CPU0, R8A7791_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7791_PD_CA15_CPU1, R8A7791_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "sh-4a", 0x80, 0, R8A7791_PD_SH_4A, R8A7791_PD_ALWAYS_ON },
+ { "sgx", 0xc0, 0, R8A7791_PD_SGX, R8A7791_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7791_sysc_info __initconst = {
+ .areas = r8a7791_areas,
+ .num_areas = ARRAY_SIZE(r8a7791_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V2H (R8A7792) System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7792-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7792_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7792_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca15-scu", 0x180, 0, R8A7792_PD_CA15_SCU, R8A7792_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca15-cpu0", 0x40, 0, R8A7792_PD_CA15_CPU0, R8A7792_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "ca15-cpu1", 0x40, 1, R8A7792_PD_CA15_CPU1, R8A7792_PD_CA15_SCU,
+ PD_CPU_NOCR },
+ { "sgx", 0xc0, 0, R8A7792_PD_SGX, R8A7792_PD_ALWAYS_ON },
+ { "imp", 0x140, 0, R8A7792_PD_IMP, R8A7792_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7792_sysc_info __initconst = {
+ .areas = r8a7792_areas,
+ .num_areas = ARRAY_SIZE(r8a7792_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car E2 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7794-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7794_areas[] __initconst = {
+ { "always-on", 0, 0, R8A7794_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca7-scu", 0x100, 0, R8A7794_PD_CA7_SCU, R8A7794_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca7-cpu0", 0x1c0, 0, R8A7794_PD_CA7_CPU0, R8A7794_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "ca7-cpu1", 0x1c0, 1, R8A7794_PD_CA7_CPU1, R8A7794_PD_CA7_SCU,
+ PD_CPU_NOCR },
+ { "sh-4a", 0x80, 0, R8A7794_PD_SH_4A, R8A7794_PD_ALWAYS_ON },
+ { "sgx", 0xc0, 0, R8A7794_PD_SGX, R8A7794_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7794_sysc_info __initconst = {
+ .areas = r8a7794_areas,
+ .num_areas = ARRAY_SIZE(r8a7794_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H3 System Controller
+ *
+ * Copyright (C) 2016-2017 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a7795-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a7795_areas[] __initdata = {
+ { "always-on", 0, 0, R8A7795_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A7795_PD_CA57_SCU, R8A7795_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A7795_PD_CA57_CPU0, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A7795_PD_CA57_CPU1, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu2", 0x80, 2, R8A7795_PD_CA57_CPU2, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu3", 0x80, 3, R8A7795_PD_CA57_CPU3, R8A7795_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A7795_PD_CA53_SCU, R8A7795_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A7795_PD_CA53_CPU0, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A7795_PD_CA53_CPU1, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A7795_PD_CA53_CPU2, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A7795_PD_CA53_CPU3, R8A7795_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3vp", 0x340, 0, R8A7795_PD_A3VP, R8A7795_PD_ALWAYS_ON },
+ { "cr7", 0x240, 0, R8A7795_PD_CR7, R8A7795_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A7795_PD_A3VC, R8A7795_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A7795_PD_A2VC1, R8A7795_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A7795_PD_3DG_A, R8A7795_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A7795_PD_3DG_B, R8A7795_PD_3DG_A },
+ { "3dg-c", 0x100, 2, R8A7795_PD_3DG_C, R8A7795_PD_3DG_B },
+ { "3dg-d", 0x100, 3, R8A7795_PD_3DG_D, R8A7795_PD_3DG_C },
+ { "3dg-e", 0x100, 4, R8A7795_PD_3DG_E, R8A7795_PD_3DG_D },
+ { "a3ir", 0x180, 0, R8A7795_PD_A3IR, R8A7795_PD_ALWAYS_ON },
+};
+
+
+ /*
+ * Fixups for R-Car H3 revisions
+ */
+
+#define NO_EXTMASK BIT(1) /* Missing SYSCEXTMASK register */
+
+static const struct soc_device_attribute r8a7795_quirks_match[] __initconst = {
+ {
+ .soc_id = "r8a7795", .revision = "ES2.*",
+ .data = (void *)(NO_EXTMASK),
+ },
+ { /* sentinel */ }
+};
+
+static int __init r8a7795_sysc_init(void)
+{
+ const struct soc_device_attribute *attr;
+ u32 quirks = 0;
+
+ attr = soc_device_match(r8a7795_quirks_match);
+ if (attr)
+ quirks = (uintptr_t)attr->data;
+
+ if (quirks & NO_EXTMASK)
+ r8a7795_sysc_info.extmask_val = 0;
+
+ return 0;
+}
+
+struct rcar_sysc_info r8a7795_sysc_info __initdata = {
+ .init = r8a7795_sysc_init,
+ .areas = r8a7795_areas,
+ .num_areas = ARRAY_SIZE(r8a7795_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M3-W/W+ System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ * Copyright (C) 2018-2019 Renesas Electronics Corporation
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7796-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a7796_areas[] __initdata = {
+ { "always-on", 0, 0, R8A7796_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A7796_PD_CA57_SCU, R8A7796_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A7796_PD_CA57_CPU0, R8A7796_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A7796_PD_CA57_CPU1, R8A7796_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca53-scu", 0x140, 0, R8A7796_PD_CA53_SCU, R8A7796_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A7796_PD_CA53_CPU0, R8A7796_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A7796_PD_CA53_CPU1, R8A7796_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A7796_PD_CA53_CPU2, R8A7796_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A7796_PD_CA53_CPU3, R8A7796_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "cr7", 0x240, 0, R8A7796_PD_CR7, R8A7796_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A7796_PD_A3VC, R8A7796_PD_ALWAYS_ON },
+ { "a2vc0", 0x3c0, 0, R8A7796_PD_A2VC0, R8A7796_PD_A3VC },
+ { "a2vc1", 0x3c0, 1, R8A7796_PD_A2VC1, R8A7796_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A7796_PD_3DG_A, R8A7796_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A7796_PD_3DG_B, R8A7796_PD_3DG_A },
+ { "a3ir", 0x180, 0, R8A7796_PD_A3IR, R8A7796_PD_ALWAYS_ON },
+};
+
+
+#ifdef CONFIG_SYSC_R8A77960
+const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
+ .areas = r8a7796_areas,
+ .num_areas = ARRAY_SIZE(r8a7796_areas),
+};
+#endif /* CONFIG_SYSC_R8A77960 */
+
+#ifdef CONFIG_SYSC_R8A77961
+static int __init r8a77961_sysc_init(void)
+{
+ rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
+ R8A7796_PD_A2VC0);
+
+ return 0;
+}
+
+const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
+ .init = r8a77961_sysc_init,
+ .areas = r8a7796_areas,
+ .num_areas = ARRAY_SIZE(r8a7796_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
+#endif /* CONFIG_SYSC_R8A77961 */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M3-N System Controller
+ * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77965-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77965_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A77965_PD_CA57_SCU, R8A77965_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A77965_PD_CA57_CPU0, R8A77965_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A77965_PD_CA57_CPU1, R8A77965_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "cr7", 0x240, 0, R8A77965_PD_CR7, R8A77965_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A77965_PD_A3VC, R8A77965_PD_ALWAYS_ON },
+ { "a3vp", 0x340, 0, R8A77965_PD_A3VP, R8A77965_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A77965_PD_A2VC1, R8A77965_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A77965_PD_3DG_A, R8A77965_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A77965_PD_3DG_B, R8A77965_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
+ .areas = r8a77965_areas,
+ .num_areas = ARRAY_SIZE(r8a77965_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3M System Controller
+ *
+ * Copyright (C) 2017 Cogent Embedded Inc.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77970-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77970_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77970_PD_CA53_SCU, R8A77970_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77970_PD_CA53_CPU0, R8A77970_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A77970_PD_CA53_CPU1, R8A77970_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "a3ir", 0x180, 0, R8A77970_PD_A3IR, R8A77970_PD_ALWAYS_ON },
+ { "a2ir0", 0x400, 0, R8A77970_PD_A2IR0, R8A77970_PD_A3IR },
+ { "a2ir1", 0x400, 1, R8A77970_PD_A2IR1, R8A77970_PD_A3IR },
+ { "a2dp", 0x400, 2, R8A77970_PD_A2DP, R8A77970_PD_A3IR },
+ { "a2cn", 0x400, 3, R8A77970_PD_A2CN, R8A77970_PD_A3IR },
+ { "a2sc0", 0x400, 4, R8A77970_PD_A2SC0, R8A77970_PD_A3IR },
+ { "a2sc1", 0x400, 5, R8A77970_PD_A2SC1, R8A77970_PD_A3IR },
+};
+
+const struct rcar_sysc_info r8a77970_sysc_info __initconst = {
+ .areas = r8a77970_areas,
+ .num_areas = ARRAY_SIZE(r8a77970_areas),
+ .extmask_offs = 0x1b0,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3H System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ * Copyright (C) 2018 Cogent Embedded, Inc.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77980-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77980_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77980_PD_CA53_SCU, R8A77980_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77980_PD_CA53_CPU0, R8A77980_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A77980_PD_CA53_CPU1, R8A77980_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu2", 0x200, 2, R8A77980_PD_CA53_CPU2, R8A77980_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu3", 0x200, 3, R8A77980_PD_CA53_CPU3, R8A77980_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON },
+ { "a3ir", 0x180, 0, R8A77980_PD_A3IR, R8A77980_PD_ALWAYS_ON },
+ { "a2ir0", 0x400, 0, R8A77980_PD_A2IR0, R8A77980_PD_A3IR },
+ { "a2ir1", 0x400, 1, R8A77980_PD_A2IR1, R8A77980_PD_A3IR },
+ { "a2ir2", 0x400, 2, R8A77980_PD_A2IR2, R8A77980_PD_A3IR },
+ { "a2ir3", 0x400, 3, R8A77980_PD_A2IR3, R8A77980_PD_A3IR },
+ { "a2ir4", 0x400, 4, R8A77980_PD_A2IR4, R8A77980_PD_A3IR },
+ { "a2ir5", 0x400, 5, R8A77980_PD_A2IR5, R8A77980_PD_A3IR },
+ { "a2sc0", 0x400, 6, R8A77980_PD_A2SC0, R8A77980_PD_A3IR },
+ { "a2sc1", 0x400, 7, R8A77980_PD_A2SC1, R8A77980_PD_A3IR },
+ { "a2sc2", 0x400, 8, R8A77980_PD_A2SC2, R8A77980_PD_A3IR },
+ { "a2sc3", 0x400, 9, R8A77980_PD_A2SC3, R8A77980_PD_A3IR },
+ { "a2sc4", 0x400, 10, R8A77980_PD_A2SC4, R8A77980_PD_A3IR },
+ { "a2dp0", 0x400, 11, R8A77980_PD_A2DP0, R8A77980_PD_A3IR },
+ { "a2dp1", 0x400, 12, R8A77980_PD_A2DP1, R8A77980_PD_A3IR },
+ { "a2cn", 0x400, 13, R8A77980_PD_A2CN, R8A77980_PD_A3IR },
+ { "a3vip0", 0x2c0, 0, R8A77980_PD_A3VIP0, R8A77980_PD_ALWAYS_ON },
+ { "a3vip1", 0x300, 0, R8A77980_PD_A3VIP1, R8A77980_PD_ALWAYS_ON },
+ { "a3vip2", 0x280, 0, R8A77980_PD_A3VIP2, R8A77980_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
+ .areas = r8a77980_areas,
+ .num_areas = ARRAY_SIZE(r8a77980_areas),
+ .extmask_offs = 0x138,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car E3 System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a77990-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a77990_areas[] __initdata = {
+ { "always-on", 0, 0, R8A77990_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77990_PD_CA53_SCU, R8A77990_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77990_PD_CA53_CPU0, R8A77990_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "ca53-cpu1", 0x200, 1, R8A77990_PD_CA53_CPU1, R8A77990_PD_CA53_SCU,
+ PD_CPU_NOCR },
+ { "cr7", 0x240, 0, R8A77990_PD_CR7, R8A77990_PD_ALWAYS_ON },
+ { "a3vc", 0x380, 0, R8A77990_PD_A3VC, R8A77990_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A77990_PD_A2VC1, R8A77990_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A77990_PD_3DG_A, R8A77990_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A77990_PD_3DG_B, R8A77990_PD_3DG_A },
+};
+
+/* Fixups for R-Car E3 ES1.0 revision */
+static const struct soc_device_attribute r8a77990[] __initconst = {
+ { .soc_id = "r8a77990", .revision = "ES1.0" },
+ { /* sentinel */ }
+};
+
+static int __init r8a77990_sysc_init(void)
+{
+ if (soc_device_match(r8a77990)) {
+ /* Fix incorrect 3DG hierarchy */
+ swap(r8a77990_areas[7], r8a77990_areas[8]);
+ r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON;
+ r8a77990_areas[8].parent = R8A77990_PD_3DG_B;
+ }
+
+ return 0;
+}
+
+const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
+ .init = r8a77990_sysc_init,
+ .areas = r8a77990_areas,
+ .num_areas = ARRAY_SIZE(r8a77990_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car D3 System Controller
+ *
+ * Copyright (C) 2017 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77995-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77995_areas[] __initconst = {
+ { "always-on", 0, 0, R8A77995_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77995_PD_CA53_SCU, R8A77995_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77995_PD_CA53_CPU0, R8A77995_PD_CA53_SCU,
+ PD_CPU_NOCR },
+};
+
+
+const struct rcar_sysc_info r8a77995_sysc_info __initconst = {
+ .areas = r8a77995_areas,
+ .num_areas = ARRAY_SIZE(r8a77995_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3U System Controller
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779a0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779a0_areas[] __initdata = {
+ { "always-on", R8A779A0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "a3e0", R8A779A0_PD_A3E0, R8A779A0_PD_ALWAYS_ON, PD_SCU },
+ { "a3e1", R8A779A0_PD_A3E1, R8A779A0_PD_ALWAYS_ON, PD_SCU },
+ { "a2e0d0", R8A779A0_PD_A2E0D0, R8A779A0_PD_A3E0, PD_SCU },
+ { "a2e0d1", R8A779A0_PD_A2E0D1, R8A779A0_PD_A3E0, PD_SCU },
+ { "a2e1d0", R8A779A0_PD_A2E1D0, R8A779A0_PD_A3E1, PD_SCU },
+ { "a2e1d1", R8A779A0_PD_A2E1D1, R8A779A0_PD_A3E1, PD_SCU },
+ { "a1e0d0c0", R8A779A0_PD_A1E0D0C0, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d0c1", R8A779A0_PD_A1E0D0C1, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d1c0", R8A779A0_PD_A1E0D1C0, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e0d1c1", R8A779A0_PD_A1E0D1C1, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e1d0c0", R8A779A0_PD_A1E1D0C0, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
+ { "a1e1d0c1", R8A779A0_PD_A1E1D0C1, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
+ { "a1e1d1c0", R8A779A0_PD_A1E1D1C0, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
+ { "a1e1d1c1", R8A779A0_PD_A1E1D1C1, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
+ { "3dg-a", R8A779A0_PD_3DG_A, R8A779A0_PD_ALWAYS_ON },
+ { "3dg-b", R8A779A0_PD_3DG_B, R8A779A0_PD_3DG_A },
+ { "a3vip0", R8A779A0_PD_A3VIP0, R8A779A0_PD_ALWAYS_ON },
+ { "a3vip1", R8A779A0_PD_A3VIP1, R8A779A0_PD_ALWAYS_ON },
+ { "a3vip3", R8A779A0_PD_A3VIP3, R8A779A0_PD_ALWAYS_ON },
+ { "a3vip2", R8A779A0_PD_A3VIP2, R8A779A0_PD_ALWAYS_ON },
+ { "a3isp01", R8A779A0_PD_A3ISP01, R8A779A0_PD_ALWAYS_ON },
+ { "a3isp23", R8A779A0_PD_A3ISP23, R8A779A0_PD_ALWAYS_ON },
+ { "a3ir", R8A779A0_PD_A3IR, R8A779A0_PD_ALWAYS_ON },
+ { "a2cn0", R8A779A0_PD_A2CN0, R8A779A0_PD_A3IR },
+ { "a2imp01", R8A779A0_PD_A2IMP01, R8A779A0_PD_A3IR },
+ { "a2dp0", R8A779A0_PD_A2DP0, R8A779A0_PD_A3IR },
+ { "a2cv0", R8A779A0_PD_A2CV0, R8A779A0_PD_A3IR },
+ { "a2cv1", R8A779A0_PD_A2CV1, R8A779A0_PD_A3IR },
+ { "a2cv4", R8A779A0_PD_A2CV4, R8A779A0_PD_A3IR },
+ { "a2cv6", R8A779A0_PD_A2CV6, R8A779A0_PD_A3IR },
+ { "a2cn2", R8A779A0_PD_A2CN2, R8A779A0_PD_A3IR },
+ { "a2imp23", R8A779A0_PD_A2IMP23, R8A779A0_PD_A3IR },
+ { "a2dp1", R8A779A0_PD_A2DP1, R8A779A0_PD_A3IR },
+ { "a2cv2", R8A779A0_PD_A2CV2, R8A779A0_PD_A3IR },
+ { "a2cv3", R8A779A0_PD_A2CV3, R8A779A0_PD_A3IR },
+ { "a2cv5", R8A779A0_PD_A2CV5, R8A779A0_PD_A3IR },
+ { "a2cv7", R8A779A0_PD_A2CV7, R8A779A0_PD_A3IR },
+ { "a2cn1", R8A779A0_PD_A2CN1, R8A779A0_PD_A3IR },
+ { "a1cnn0", R8A779A0_PD_A1CNN0, R8A779A0_PD_A2CN0 },
+ { "a1cnn2", R8A779A0_PD_A1CNN2, R8A779A0_PD_A2CN2 },
+ { "a1dsp0", R8A779A0_PD_A1DSP0, R8A779A0_PD_A2CN2 },
+ { "a1cnn1", R8A779A0_PD_A1CNN1, R8A779A0_PD_A2CN1 },
+ { "a1dsp1", R8A779A0_PD_A1DSP1, R8A779A0_PD_A2CN1 },
+};
+
+const struct rcar_gen4_sysc_info r8a779a0_sysc_info __initconst = {
+ .areas = r8a779a0_areas,
+ .num_areas = ARRAY_SIZE(r8a779a0_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car S4-8 System Controller
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779f0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779f0_areas[] __initdata = {
+ { "always-on", R8A779F0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "a3e0", R8A779F0_PD_A3E0, R8A779F0_PD_ALWAYS_ON, PD_SCU },
+ { "a3e1", R8A779F0_PD_A3E1, R8A779F0_PD_ALWAYS_ON, PD_SCU },
+ { "a2e0d0", R8A779F0_PD_A2E0D0, R8A779F0_PD_A3E0, PD_SCU },
+ { "a2e0d1", R8A779F0_PD_A2E0D1, R8A779F0_PD_A3E0, PD_SCU },
+ { "a2e1d0", R8A779F0_PD_A2E1D0, R8A779F0_PD_A3E1, PD_SCU },
+ { "a2e1d1", R8A779F0_PD_A2E1D1, R8A779F0_PD_A3E1, PD_SCU },
+ { "a1e0d0c0", R8A779F0_PD_A1E0D0C0, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d0c1", R8A779F0_PD_A1E0D0C1, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d1c0", R8A779F0_PD_A1E0D1C0, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e0d1c1", R8A779F0_PD_A1E0D1C1, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e1d0c0", R8A779F0_PD_A1E1D0C0, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
+ { "a1e1d0c1", R8A779F0_PD_A1E1D0C1, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
+ { "a1e1d1c0", R8A779F0_PD_A1E1D1C0, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
+ { "a1e1d1c1", R8A779F0_PD_A1E1D1C1, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
+};
+
+const struct rcar_gen4_sysc_info r8a779f0_sysc_info __initconst = {
+ .areas = r8a779f0_areas,
+ .num_areas = ARRAY_SIZE(r8a779f0_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V4H System Controller
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779g0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779g0_areas[] __initdata = {
+ { "always-on", R8A779G0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "a3e0", R8A779G0_PD_A3E0, R8A779G0_PD_ALWAYS_ON, PD_SCU },
+ { "a2e0d0", R8A779G0_PD_A2E0D0, R8A779G0_PD_A3E0, PD_SCU },
+ { "a2e0d1", R8A779G0_PD_A2E0D1, R8A779G0_PD_A3E0, PD_SCU },
+ { "a1e0d0c0", R8A779G0_PD_A1E0D0C0, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d0c1", R8A779G0_PD_A1E0D0C1, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+ { "a1e0d1c0", R8A779G0_PD_A1E0D1C0, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a1e0d1c1", R8A779G0_PD_A1E0D1C1, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+ { "a33dga", R8A779G0_PD_A33DGA, R8A779G0_PD_ALWAYS_ON },
+ { "a23dgb", R8A779G0_PD_A23DGB, R8A779G0_PD_A33DGA },
+ { "a3vip0", R8A779G0_PD_A3VIP0, R8A779G0_PD_ALWAYS_ON },
+ { "a3vip1", R8A779G0_PD_A3VIP1, R8A779G0_PD_ALWAYS_ON },
+ { "a3vip2", R8A779G0_PD_A3VIP2, R8A779G0_PD_ALWAYS_ON },
+ { "a3dul", R8A779G0_PD_A3DUL, R8A779G0_PD_ALWAYS_ON },
+ { "a3isp0", R8A779G0_PD_A3ISP0, R8A779G0_PD_ALWAYS_ON },
+ { "a3isp1", R8A779G0_PD_A3ISP1, R8A779G0_PD_ALWAYS_ON },
+ { "a3ir", R8A779G0_PD_A3IR, R8A779G0_PD_ALWAYS_ON },
+ { "a2cn0", R8A779G0_PD_A2CN0, R8A779G0_PD_A3IR },
+ { "a1cnn0", R8A779G0_PD_A1CNN0, R8A779G0_PD_A2CN0 },
+ { "a1dsp0", R8A779G0_PD_A1DSP0, R8A779G0_PD_A2CN0 },
+ { "a1dsp1", R8A779G0_PD_A1DSP1, R8A779G0_PD_A2CN0 },
+ { "a1dsp2", R8A779G0_PD_A1DSP2, R8A779G0_PD_A2CN0 },
+ { "a1dsp3", R8A779G0_PD_A1DSP3, R8A779G0_PD_A2CN0 },
+ { "a2imp01", R8A779G0_PD_A2IMP01, R8A779G0_PD_A3IR },
+ { "a2imp23", R8A779G0_PD_A2IMP23, R8A779G0_PD_A3IR },
+ { "a2psc", R8A779G0_PD_A2PSC, R8A779G0_PD_A3IR },
+ { "a2dma", R8A779G0_PD_A2DMA, R8A779G0_PD_A3IR },
+ { "a2cv0", R8A779G0_PD_A2CV0, R8A779G0_PD_A3IR },
+ { "a2cv1", R8A779G0_PD_A2CV1, R8A779G0_PD_A3IR },
+ { "a2cv2", R8A779G0_PD_A2CV2, R8A779G0_PD_A3IR },
+ { "a2cv3", R8A779G0_PD_A2CV3, R8A779G0_PD_A3IR },
+};
+
+const struct rcar_gen4_sysc_info r8a779g0_sysc_info __initconst = {
+ .areas = r8a779g0_areas,
+ .num_areas = ARRAY_SIZE(r8a779g0_areas),
+};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * R-Car Gen4 SYSC Power management support
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include "rcar-gen4-sysc.h"
+
+/* SYSC Common */
+#define SYSCSR 0x000 /* SYSC Status Register */
+#define SYSCPONSR(x) (0x800 + ((x) * 0x4)) /* Power-ON Status Register 0 */
+#define SYSCPOFFSR(x) (0x808 + ((x) * 0x4)) /* Power-OFF Status Register */
+#define SYSCISCR(x) (0x810 + ((x) * 0x4)) /* Interrupt Status/Clear Register */
+#define SYSCIER(x) (0x820 + ((x) * 0x4)) /* Interrupt Enable Register */
+#define SYSCIMR(x) (0x830 + ((x) * 0x4)) /* Interrupt Mask Register */
+
+/* Power Domain Registers */
+#define PDRSR(n) (0x1000 + ((n) * 0x40))
+#define PDRONCR(n) (0x1004 + ((n) * 0x40))
+#define PDROFFCR(n) (0x1008 + ((n) * 0x40))
+#define PDRESR(n) (0x100C + ((n) * 0x40))
+
+/* PWRON/PWROFF */
+#define PWRON_PWROFF BIT(0) /* Power-ON/OFF request */
+
+/* PDRESR */
+#define PDRESR_ERR BIT(0)
+
+/* PDRSR */
+#define PDRSR_OFF BIT(0) /* Power-OFF state */
+#define PDRSR_ON BIT(4) /* Power-ON state */
+#define PDRSR_OFF_STATE BIT(8) /* Processing Power-OFF sequence */
+#define PDRSR_ON_STATE BIT(12) /* Processing Power-ON sequence */
+
+#define SYSCSR_BUSY GENMASK(1, 0) /* All bit sets is not busy */
+
+#define SYSCSR_TIMEOUT 10000
+#define SYSCSR_DELAY_US 10
+
+#define PDRESR_RETRIES 1000
+#define PDRESR_DELAY_US 10
+
+#define SYSCISR_TIMEOUT 10000
+#define SYSCISR_DELAY_US 10
+
+#define RCAR_GEN4_PD_ALWAYS_ON 64
+#define NUM_DOMAINS_EACH_REG BITS_PER_TYPE(u32)
+
+static void __iomem *rcar_gen4_sysc_base;
+static DEFINE_SPINLOCK(rcar_gen4_sysc_lock); /* SMP CPUs + I/O devices */
+
+static int rcar_gen4_sysc_pwr_on_off(u8 pdr, bool on)
+{
+ unsigned int reg_offs;
+ u32 val;
+ int ret;
+
+ if (on)
+ reg_offs = PDRONCR(pdr);
+ else
+ reg_offs = PDROFFCR(pdr);
+
+ /* Wait until SYSC is ready to accept a power request */
+ ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCSR, val,
+ (val & SYSCSR_BUSY) == SYSCSR_BUSY,
+ SYSCSR_DELAY_US, SYSCSR_TIMEOUT);
+ if (ret < 0)
+ return -EAGAIN;
+
+ /* Submit power shutoff or power resume request */
+ iowrite32(PWRON_PWROFF, rcar_gen4_sysc_base + reg_offs);
+
+ return 0;
+}
+
+static int clear_irq_flags(unsigned int reg_idx, unsigned int isr_mask)
+{
+ u32 val;
+ int ret;
+
+ iowrite32(isr_mask, rcar_gen4_sysc_base + SYSCISCR(reg_idx));
+
+ ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
+ val, !(val & isr_mask),
+ SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
+ if (ret < 0) {
+ pr_err("\n %s : Can not clear IRQ flags in SYSCISCR", __func__);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int rcar_gen4_sysc_power(u8 pdr, bool on)
+{
+ unsigned int isr_mask;
+ unsigned int reg_idx, bit_idx;
+ unsigned int status;
+ unsigned long flags;
+ int ret = 0;
+ u32 val;
+ int k;
+
+ spin_lock_irqsave(&rcar_gen4_sysc_lock, flags);
+
+ reg_idx = pdr / NUM_DOMAINS_EACH_REG;
+ bit_idx = pdr % NUM_DOMAINS_EACH_REG;
+
+ isr_mask = BIT(bit_idx);
+
+ /*
+ * The interrupt source needs to be enabled, but masked, to prevent the
+ * CPU from receiving it.
+ */
+ iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIER(reg_idx)) | isr_mask,
+ rcar_gen4_sysc_base + SYSCIER(reg_idx));
+ iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIMR(reg_idx)) | isr_mask,
+ rcar_gen4_sysc_base + SYSCIMR(reg_idx));
+
+ ret = clear_irq_flags(reg_idx, isr_mask);
+ if (ret)
+ goto out;
+
+ /* Submit power shutoff or resume request until it was accepted */
+ for (k = 0; k < PDRESR_RETRIES; k++) {
+ ret = rcar_gen4_sysc_pwr_on_off(pdr, on);
+ if (ret)
+ goto out;
+
+ status = ioread32(rcar_gen4_sysc_base + PDRESR(pdr));
+ if (!(status & PDRESR_ERR))
+ break;
+
+ udelay(PDRESR_DELAY_US);
+ }
+
+ if (k == PDRESR_RETRIES) {
+ ret = -EIO;
+ goto out;
+ }
+
+ /* Wait until the power shutoff or resume request has completed * */
+ ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
+ val, (val & isr_mask),
+ SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
+ if (ret < 0) {
+ ret = -EIO;
+ goto out;
+ }
+
+ /* Clear interrupt flags */
+ ret = clear_irq_flags(reg_idx, isr_mask);
+ if (ret)
+ goto out;
+
+ out:
+ spin_unlock_irqrestore(&rcar_gen4_sysc_lock, flags);
+
+ pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
+ pdr, ioread32(rcar_gen4_sysc_base + SYSCISCR(reg_idx)), ret);
+ return ret;
+}
+
+static bool rcar_gen4_sysc_power_is_off(u8 pdr)
+{
+ unsigned int st;
+
+ st = ioread32(rcar_gen4_sysc_base + PDRSR(pdr));
+
+ if (st & PDRSR_OFF)
+ return true;
+
+ return false;
+}
+
+struct rcar_gen4_sysc_pd {
+ struct generic_pm_domain genpd;
+ u8 pdr;
+ unsigned int flags;
+ char name[];
+};
+
+static inline struct rcar_gen4_sysc_pd *to_rcar_gen4_pd(struct generic_pm_domain *d)
+{
+ return container_of(d, struct rcar_gen4_sysc_pd, genpd);
+}
+
+static int rcar_gen4_sysc_pd_power_off(struct generic_pm_domain *genpd)
+{
+ struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
+
+ pr_debug("%s: %s\n", __func__, genpd->name);
+ return rcar_gen4_sysc_power(pd->pdr, false);
+}
+
+static int rcar_gen4_sysc_pd_power_on(struct generic_pm_domain *genpd)
+{
+ struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
+
+ pr_debug("%s: %s\n", __func__, genpd->name);
+ return rcar_gen4_sysc_power(pd->pdr, true);
+}
+
+static int __init rcar_gen4_sysc_pd_setup(struct rcar_gen4_sysc_pd *pd)
+{
+ struct generic_pm_domain *genpd = &pd->genpd;
+ const char *name = pd->genpd.name;
+ int error;
+
+ if (pd->flags & PD_CPU) {
+ /*
+ * This domain contains a CPU core and therefore it should
+ * only be turned off if the CPU is not in use.
+ */
+ pr_debug("PM domain %s contains %s\n", name, "CPU");
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ } else if (pd->flags & PD_SCU) {
+ /*
+ * This domain contains an SCU and cache-controller, and
+ * therefore it should only be turned off if the CPU cores are
+ * not in use.
+ */
+ pr_debug("PM domain %s contains %s\n", name, "SCU");
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ } else if (pd->flags & PD_NO_CR) {
+ /*
+ * This domain cannot be turned off.
+ */
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ }
+
+ if (!(pd->flags & (PD_CPU | PD_SCU))) {
+ /* Enable Clock Domain for I/O devices */
+ genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+ genpd->attach_dev = cpg_mssr_attach_dev;
+ genpd->detach_dev = cpg_mssr_detach_dev;
+ }
+
+ genpd->power_off = rcar_gen4_sysc_pd_power_off;
+ genpd->power_on = rcar_gen4_sysc_pd_power_on;
+
+ if (pd->flags & (PD_CPU | PD_NO_CR)) {
+ /* Skip CPUs (handled by SMP code) and areas without control */
+ pr_debug("%s: Not touching %s\n", __func__, genpd->name);
+ goto finalize;
+ }
+
+ if (!rcar_gen4_sysc_power_is_off(pd->pdr)) {
+ pr_debug("%s: %s is already powered\n", __func__, genpd->name);
+ goto finalize;
+ }
+
+ rcar_gen4_sysc_power(pd->pdr, true);
+
+finalize:
+ error = pm_genpd_init(genpd, &simple_qos_governor, false);
+ if (error)
+ pr_err("Failed to init PM domain %s: %d\n", name, error);
+
+ return error;
+}
+
+static const struct of_device_id rcar_gen4_sysc_matches[] __initconst = {
+#ifdef CONFIG_SYSC_R8A779A0
+ { .compatible = "renesas,r8a779a0-sysc", .data = &r8a779a0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A779F0
+ { .compatible = "renesas,r8a779f0-sysc", .data = &r8a779f0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A779G0
+ { .compatible = "renesas,r8a779g0-sysc", .data = &r8a779g0_sysc_info },
+#endif
+ { /* sentinel */ }
+};
+
+struct rcar_gen4_pm_domains {
+ struct genpd_onecell_data onecell_data;
+ struct generic_pm_domain *domains[RCAR_GEN4_PD_ALWAYS_ON + 1];
+};
+
+static struct genpd_onecell_data *rcar_gen4_sysc_onecell_data;
+
+static int __init rcar_gen4_sysc_pd_init(void)
+{
+ const struct rcar_gen4_sysc_info *info;
+ const struct of_device_id *match;
+ struct rcar_gen4_pm_domains *domains;
+ struct device_node *np;
+ void __iomem *base;
+ unsigned int i;
+ int error;
+
+ np = of_find_matching_node_and_match(NULL, rcar_gen4_sysc_matches, &match);
+ if (!np)
+ return -ENODEV;
+
+ info = match->data;
+
+ base = of_iomap(np, 0);
+ if (!base) {
+ pr_warn("%pOF: Cannot map regs\n", np);
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ rcar_gen4_sysc_base = base;
+
+ domains = kzalloc(sizeof(*domains), GFP_KERNEL);
+ if (!domains) {
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ domains->onecell_data.domains = domains->domains;
+ domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
+ rcar_gen4_sysc_onecell_data = &domains->onecell_data;
+
+ for (i = 0; i < info->num_areas; i++) {
+ const struct rcar_gen4_sysc_area *area = &info->areas[i];
+ struct rcar_gen4_sysc_pd *pd;
+ size_t n;
+
+ if (!area->name) {
+ /* Skip NULLified area */
+ continue;
+ }
+
+ n = strlen(area->name) + 1;
+ pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
+ if (!pd) {
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ memcpy(pd->name, area->name, n);
+ pd->genpd.name = pd->name;
+ pd->pdr = area->pdr;
+ pd->flags = area->flags;
+
+ error = rcar_gen4_sysc_pd_setup(pd);
+ if (error)
+ goto out_put;
+
+ domains->domains[area->pdr] = &pd->genpd;
+
+ if (area->parent < 0)
+ continue;
+
+ error = pm_genpd_add_subdomain(domains->domains[area->parent],
+ &pd->genpd);
+ if (error) {
+ pr_warn("Failed to add PM subdomain %s to parent %u\n",
+ area->name, area->parent);
+ goto out_put;
+ }
+ }
+
+ error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
+
+out_put:
+ of_node_put(np);
+ return error;
+}
+early_initcall(rcar_gen4_sysc_pd_init);
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * R-Car Gen4 System Controller
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+#ifndef __SOC_RENESAS_RCAR_GEN4_SYSC_H__
+#define __SOC_RENESAS_RCAR_GEN4_SYSC_H__
+
+#include <linux/types.h>
+
+/*
+ * Power Domain flags
+ */
+#define PD_CPU BIT(0) /* Area contains main CPU core */
+#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
+#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
+
+#define PD_CPU_NOCR (PD_CPU | PD_NO_CR) /* CPU area lacks CR */
+#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
+
+/*
+ * Description of a Power Area
+ */
+struct rcar_gen4_sysc_area {
+ const char *name;
+ u8 pdr; /* PDRn */
+ s8 parent; /* -1 if none */
+ u8 flags; /* See PD_* */
+};
+
+/*
+ * SoC-specific Power Area Description
+ */
+struct rcar_gen4_sysc_info {
+ const struct rcar_gen4_sysc_area *areas;
+ unsigned int num_areas;
+};
+
+extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779g0_sysc_info;
+
+#endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * R-Car SYSC Power management support
+ *
+ * Copyright (C) 2014 Magnus Damm
+ * Copyright (C) 2015-2017 Glider bvba
+ */
+
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/soc/renesas/rcar-sysc.h>
+
+#include "rcar-sysc.h"
+
+/* SYSC Common */
+#define SYSCSR 0x00 /* SYSC Status Register */
+#define SYSCISR 0x04 /* Interrupt Status Register */
+#define SYSCISCR 0x08 /* Interrupt Status Clear Register */
+#define SYSCIER 0x0c /* Interrupt Enable Register */
+#define SYSCIMR 0x10 /* Interrupt Mask Register */
+
+/* SYSC Status Register */
+#define SYSCSR_PONENB 1 /* Ready for power resume requests */
+#define SYSCSR_POFFENB 0 /* Ready for power shutoff requests */
+
+/*
+ * Power Control Register Offsets inside the register block for each domain
+ * Note: The "CR" registers for ARM cores exist on H1 only
+ * Use WFI to power off, CPG/APMU to resume ARM cores on R-Car Gen2
+ * Use PSCI on R-Car Gen3
+ */
+#define PWRSR_OFFS 0x00 /* Power Status Register */
+#define PWROFFCR_OFFS 0x04 /* Power Shutoff Control Register */
+#define PWROFFSR_OFFS 0x08 /* Power Shutoff Status Register */
+#define PWRONCR_OFFS 0x0c /* Power Resume Control Register */
+#define PWRONSR_OFFS 0x10 /* Power Resume Status Register */
+#define PWRER_OFFS 0x14 /* Power Shutoff/Resume Error */
+
+
+#define SYSCSR_TIMEOUT 100
+#define SYSCSR_DELAY_US 1
+
+#define PWRER_RETRIES 100
+#define PWRER_DELAY_US 1
+
+#define SYSCISR_TIMEOUT 1000
+#define SYSCISR_DELAY_US 1
+
+#define RCAR_PD_ALWAYS_ON 32 /* Always-on power area */
+
+struct rcar_sysc_ch {
+ u16 chan_offs;
+ u8 chan_bit;
+ u8 isr_bit;
+};
+
+static void __iomem *rcar_sysc_base;
+static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
+static u32 rcar_sysc_extmask_offs, rcar_sysc_extmask_val;
+
+static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
+{
+ unsigned int sr_bit, reg_offs;
+ u32 val;
+ int ret;
+
+ if (on) {
+ sr_bit = SYSCSR_PONENB;
+ reg_offs = PWRONCR_OFFS;
+ } else {
+ sr_bit = SYSCSR_POFFENB;
+ reg_offs = PWROFFCR_OFFS;
+ }
+
+ /* Wait until SYSC is ready to accept a power request */
+ ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCSR, val,
+ val & BIT(sr_bit), SYSCSR_DELAY_US,
+ SYSCSR_TIMEOUT);
+ if (ret)
+ return -EAGAIN;
+
+ /* Submit power shutoff or power resume request */
+ iowrite32(BIT(sysc_ch->chan_bit),
+ rcar_sysc_base + sysc_ch->chan_offs + reg_offs);
+
+ return 0;
+}
+
+static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
+{
+ unsigned int isr_mask = BIT(sysc_ch->isr_bit);
+ unsigned int chan_mask = BIT(sysc_ch->chan_bit);
+ unsigned int status, k;
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&rcar_sysc_lock, flags);
+
+ /*
+ * Mask external power requests for CPU or 3DG domains
+ */
+ if (rcar_sysc_extmask_val) {
+ iowrite32(rcar_sysc_extmask_val,
+ rcar_sysc_base + rcar_sysc_extmask_offs);
+ }
+
+ /*
+ * The interrupt source needs to be enabled, but masked, to prevent the
+ * CPU from receiving it.
+ */
+ iowrite32(ioread32(rcar_sysc_base + SYSCIMR) | isr_mask,
+ rcar_sysc_base + SYSCIMR);
+ iowrite32(ioread32(rcar_sysc_base + SYSCIER) | isr_mask,
+ rcar_sysc_base + SYSCIER);
+
+ iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
+
+ /* Submit power shutoff or resume request until it was accepted */
+ for (k = 0; k < PWRER_RETRIES; k++) {
+ ret = rcar_sysc_pwr_on_off(sysc_ch, on);
+ if (ret)
+ goto out;
+
+ status = ioread32(rcar_sysc_base +
+ sysc_ch->chan_offs + PWRER_OFFS);
+ if (!(status & chan_mask))
+ break;
+
+ udelay(PWRER_DELAY_US);
+ }
+
+ if (k == PWRER_RETRIES) {
+ ret = -EIO;
+ goto out;
+ }
+
+ /* Wait until the power shutoff or resume request has completed * */
+ ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCISR, status,
+ status & isr_mask, SYSCISR_DELAY_US,
+ SYSCISR_TIMEOUT);
+ if (ret)
+ ret = -EIO;
+
+ iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
+
+ out:
+ if (rcar_sysc_extmask_val)
+ iowrite32(0, rcar_sysc_base + rcar_sysc_extmask_offs);
+
+ spin_unlock_irqrestore(&rcar_sysc_lock, flags);
+
+ pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
+ sysc_ch->isr_bit, ioread32(rcar_sysc_base + SYSCISR), ret);
+ return ret;
+}
+
+static bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch)
+{
+ unsigned int st;
+
+ st = ioread32(rcar_sysc_base + sysc_ch->chan_offs + PWRSR_OFFS);
+ if (st & BIT(sysc_ch->chan_bit))
+ return true;
+
+ return false;
+}
+
+struct rcar_sysc_pd {
+ struct generic_pm_domain genpd;
+ struct rcar_sysc_ch ch;
+ unsigned int flags;
+ char name[];
+};
+
+static inline struct rcar_sysc_pd *to_rcar_pd(struct generic_pm_domain *d)
+{
+ return container_of(d, struct rcar_sysc_pd, genpd);
+}
+
+static int rcar_sysc_pd_power_off(struct generic_pm_domain *genpd)
+{
+ struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
+
+ pr_debug("%s: %s\n", __func__, genpd->name);
+ return rcar_sysc_power(&pd->ch, false);
+}
+
+static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
+{
+ struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
+
+ pr_debug("%s: %s\n", __func__, genpd->name);
+ return rcar_sysc_power(&pd->ch, true);
+}
+
+static bool has_cpg_mstp;
+
+static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
+{
+ struct generic_pm_domain *genpd = &pd->genpd;
+ const char *name = pd->genpd.name;
+ int error;
+
+ if (pd->flags & PD_CPU) {
+ /*
+ * This domain contains a CPU core and therefore it should
+ * only be turned off if the CPU is not in use.
+ */
+ pr_debug("PM domain %s contains %s\n", name, "CPU");
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ } else if (pd->flags & PD_SCU) {
+ /*
+ * This domain contains an SCU and cache-controller, and
+ * therefore it should only be turned off if the CPU cores are
+ * not in use.
+ */
+ pr_debug("PM domain %s contains %s\n", name, "SCU");
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ } else if (pd->flags & PD_NO_CR) {
+ /*
+ * This domain cannot be turned off.
+ */
+ genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+ }
+
+ if (!(pd->flags & (PD_CPU | PD_SCU))) {
+ /* Enable Clock Domain for I/O devices */
+ genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+ if (has_cpg_mstp) {
+ genpd->attach_dev = cpg_mstp_attach_dev;
+ genpd->detach_dev = cpg_mstp_detach_dev;
+ } else {
+ genpd->attach_dev = cpg_mssr_attach_dev;
+ genpd->detach_dev = cpg_mssr_detach_dev;
+ }
+ }
+
+ genpd->power_off = rcar_sysc_pd_power_off;
+ genpd->power_on = rcar_sysc_pd_power_on;
+
+ if (pd->flags & (PD_CPU | PD_NO_CR)) {
+ /* Skip CPUs (handled by SMP code) and areas without control */
+ pr_debug("%s: Not touching %s\n", __func__, genpd->name);
+ goto finalize;
+ }
+
+ if (!rcar_sysc_power_is_off(&pd->ch)) {
+ pr_debug("%s: %s is already powered\n", __func__, genpd->name);
+ goto finalize;
+ }
+
+ rcar_sysc_power(&pd->ch, true);
+
+finalize:
+ error = pm_genpd_init(genpd, &simple_qos_governor, false);
+ if (error)
+ pr_err("Failed to init PM domain %s: %d\n", name, error);
+
+ return error;
+}
+
+static const struct of_device_id rcar_sysc_matches[] __initconst = {
+#ifdef CONFIG_SYSC_R8A7742
+ { .compatible = "renesas,r8a7742-sysc", .data = &r8a7742_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7743
+ { .compatible = "renesas,r8a7743-sysc", .data = &r8a7743_sysc_info },
+ /* RZ/G1N is identical to RZ/G2M w.r.t. power domains. */
+ { .compatible = "renesas,r8a7744-sysc", .data = &r8a7743_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7745
+ { .compatible = "renesas,r8a7745-sysc", .data = &r8a7745_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77470
+ { .compatible = "renesas,r8a77470-sysc", .data = &r8a77470_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774A1
+ { .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774B1
+ { .compatible = "renesas,r8a774b1-sysc", .data = &r8a774b1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774C0
+ { .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774E1
+ { .compatible = "renesas,r8a774e1-sysc", .data = &r8a774e1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7779
+ { .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7790
+ { .compatible = "renesas,r8a7790-sysc", .data = &r8a7790_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7791
+ { .compatible = "renesas,r8a7791-sysc", .data = &r8a7791_sysc_info },
+ /* R-Car M2-N is identical to R-Car M2-W w.r.t. power domains. */
+ { .compatible = "renesas,r8a7793-sysc", .data = &r8a7791_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7792
+ { .compatible = "renesas,r8a7792-sysc", .data = &r8a7792_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7794
+ { .compatible = "renesas,r8a7794-sysc", .data = &r8a7794_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7795
+ { .compatible = "renesas,r8a7795-sysc", .data = &r8a7795_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77960
+ { .compatible = "renesas,r8a7796-sysc", .data = &r8a77960_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77961
+ { .compatible = "renesas,r8a77961-sysc", .data = &r8a77961_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77965
+ { .compatible = "renesas,r8a77965-sysc", .data = &r8a77965_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77970
+ { .compatible = "renesas,r8a77970-sysc", .data = &r8a77970_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77980
+ { .compatible = "renesas,r8a77980-sysc", .data = &r8a77980_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77990
+ { .compatible = "renesas,r8a77990-sysc", .data = &r8a77990_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77995
+ { .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
+#endif
+ { /* sentinel */ }
+};
+
+struct rcar_pm_domains {
+ struct genpd_onecell_data onecell_data;
+ struct generic_pm_domain *domains[RCAR_PD_ALWAYS_ON + 1];
+};
+
+static struct genpd_onecell_data *rcar_sysc_onecell_data;
+
+static int __init rcar_sysc_pd_init(void)
+{
+ const struct rcar_sysc_info *info;
+ const struct of_device_id *match;
+ struct rcar_pm_domains *domains;
+ struct device_node *np;
+ void __iomem *base;
+ unsigned int i;
+ int error;
+
+ np = of_find_matching_node_and_match(NULL, rcar_sysc_matches, &match);
+ if (!np)
+ return -ENODEV;
+
+ info = match->data;
+
+ if (info->init) {
+ error = info->init();
+ if (error)
+ goto out_put;
+ }
+
+ has_cpg_mstp = of_find_compatible_node(NULL, NULL,
+ "renesas,cpg-mstp-clocks");
+
+ base = of_iomap(np, 0);
+ if (!base) {
+ pr_warn("%pOF: Cannot map regs\n", np);
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ rcar_sysc_base = base;
+
+ /* Optional External Request Mask Register */
+ rcar_sysc_extmask_offs = info->extmask_offs;
+ rcar_sysc_extmask_val = info->extmask_val;
+
+ domains = kzalloc(sizeof(*domains), GFP_KERNEL);
+ if (!domains) {
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ domains->onecell_data.domains = domains->domains;
+ domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
+ rcar_sysc_onecell_data = &domains->onecell_data;
+
+ for (i = 0; i < info->num_areas; i++) {
+ const struct rcar_sysc_area *area = &info->areas[i];
+ struct rcar_sysc_pd *pd;
+ size_t n;
+
+ if (!area->name) {
+ /* Skip NULLified area */
+ continue;
+ }
+
+ n = strlen(area->name) + 1;
+ pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
+ if (!pd) {
+ error = -ENOMEM;
+ goto out_put;
+ }
+
+ memcpy(pd->name, area->name, n);
+ pd->genpd.name = pd->name;
+ pd->ch.chan_offs = area->chan_offs;
+ pd->ch.chan_bit = area->chan_bit;
+ pd->ch.isr_bit = area->isr_bit;
+ pd->flags = area->flags;
+
+ error = rcar_sysc_pd_setup(pd);
+ if (error)
+ goto out_put;
+
+ domains->domains[area->isr_bit] = &pd->genpd;
+
+ if (area->parent < 0)
+ continue;
+
+ error = pm_genpd_add_subdomain(domains->domains[area->parent],
+ &pd->genpd);
+ if (error) {
+ pr_warn("Failed to add PM subdomain %s to parent %u\n",
+ area->name, area->parent);
+ goto out_put;
+ }
+ }
+
+ error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
+ if (!error)
+ fwnode_dev_initialized(of_fwnode_handle(np), true);
+
+out_put:
+ of_node_put(np);
+ return error;
+}
+early_initcall(rcar_sysc_pd_init);
+
+void __init rcar_sysc_nullify(struct rcar_sysc_area *areas,
+ unsigned int num_areas, u8 id)
+{
+ unsigned int i;
+
+ for (i = 0; i < num_areas; i++)
+ if (areas[i].isr_bit == id) {
+ areas[i].name = NULL;
+ return;
+ }
+}
+
+#ifdef CONFIG_ARCH_R8A7779
+static int rcar_sysc_power_cpu(unsigned int idx, bool on)
+{
+ struct generic_pm_domain *genpd;
+ struct rcar_sysc_pd *pd;
+ unsigned int i;
+
+ if (!rcar_sysc_onecell_data)
+ return -ENODEV;
+
+ for (i = 0; i < rcar_sysc_onecell_data->num_domains; i++) {
+ genpd = rcar_sysc_onecell_data->domains[i];
+ if (!genpd)
+ continue;
+
+ pd = to_rcar_pd(genpd);
+ if (!(pd->flags & PD_CPU) || pd->ch.chan_bit != idx)
+ continue;
+
+ return rcar_sysc_power(&pd->ch, on);
+ }
+
+ return -ENOENT;
+}
+
+int rcar_sysc_power_down_cpu(unsigned int cpu)
+{
+ return rcar_sysc_power_cpu(cpu, false);
+}
+
+int rcar_sysc_power_up_cpu(unsigned int cpu)
+{
+ return rcar_sysc_power_cpu(cpu, true);
+}
+#endif /* CONFIG_ARCH_R8A7779 */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Renesas R-Car System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+#ifndef __SOC_RENESAS_RCAR_SYSC_H__
+#define __SOC_RENESAS_RCAR_SYSC_H__
+
+#include <linux/types.h>
+
+
+/*
+ * Power Domain flags
+ */
+#define PD_CPU BIT(0) /* Area contains main CPU core */
+#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
+#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
+
+#define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */
+#define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */
+#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
+
+
+/*
+ * Description of a Power Area
+ */
+
+struct rcar_sysc_area {
+ const char *name;
+ u16 chan_offs; /* Offset of PWRSR register for this area */
+ u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */
+ u8 isr_bit; /* Bit in SYSCI*R */
+ s8 parent; /* -1 if none */
+ u8 flags; /* See PD_* */
+};
+
+
+/*
+ * SoC-specific Power Area Description
+ */
+
+struct rcar_sysc_info {
+ int (*init)(void); /* Optional */
+ const struct rcar_sysc_area *areas;
+ unsigned int num_areas;
+ /* Optional External Request Mask Register */
+ u32 extmask_offs; /* SYSCEXTMASK register offset */
+ u32 extmask_val; /* SYSCEXTMASK register mask value */
+};
+
+extern const struct rcar_sysc_info r8a7742_sysc_info;
+extern const struct rcar_sysc_info r8a7743_sysc_info;
+extern const struct rcar_sysc_info r8a7745_sysc_info;
+extern const struct rcar_sysc_info r8a77470_sysc_info;
+extern const struct rcar_sysc_info r8a774a1_sysc_info;
+extern const struct rcar_sysc_info r8a774b1_sysc_info;
+extern const struct rcar_sysc_info r8a774c0_sysc_info;
+extern const struct rcar_sysc_info r8a774e1_sysc_info;
+extern const struct rcar_sysc_info r8a7779_sysc_info;
+extern const struct rcar_sysc_info r8a7790_sysc_info;
+extern const struct rcar_sysc_info r8a7791_sysc_info;
+extern const struct rcar_sysc_info r8a7792_sysc_info;
+extern const struct rcar_sysc_info r8a7794_sysc_info;
+extern struct rcar_sysc_info r8a7795_sysc_info;
+extern const struct rcar_sysc_info r8a77960_sysc_info;
+extern const struct rcar_sysc_info r8a77961_sysc_info;
+extern const struct rcar_sysc_info r8a77965_sysc_info;
+extern const struct rcar_sysc_info r8a77970_sysc_info;
+extern const struct rcar_sysc_info r8a77980_sysc_info;
+extern const struct rcar_sysc_info r8a77990_sysc_info;
+extern const struct rcar_sysc_info r8a77995_sysc_info;
+
+
+ /*
+ * Helpers for fixing up power area tables depending on SoC revision
+ */
+
+extern void rcar_sysc_nullify(struct rcar_sysc_area *areas,
+ unsigned int num_areas, u8 id);
+
+#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * rmobile power management support
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ * Copyright (C) 2014 Glider bvba
+ *
+ * based on pm-sh7372.c
+ * Copyright (C) 2011 Magnus Damm
+ */
+#include <linux/clk/renesas.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/pm.h>
+#include <linux/pm_clock.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+
+/* SYSC */
+#define SPDCR 0x08 /* SYS Power Down Control Register */
+#define SWUCR 0x14 /* SYS Wakeup Control Register */
+#define PSTR 0x80 /* Power Status Register */
+
+#define PSTR_RETRIES 100
+#define PSTR_DELAY_US 10
+
+struct rmobile_pm_domain {
+ struct generic_pm_domain genpd;
+ struct dev_power_governor *gov;
+ int (*suspend)(void);
+ void __iomem *base;
+ unsigned int bit_shift;
+};
+
+static inline
+struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
+{
+ return container_of(d, struct rmobile_pm_domain, genpd);
+}
+
+static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
+{
+ struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
+ unsigned int mask = BIT(rmobile_pd->bit_shift);
+ u32 val;
+
+ if (rmobile_pd->suspend) {
+ int ret = rmobile_pd->suspend();
+
+ if (ret)
+ return ret;
+ }
+
+ if (readl(rmobile_pd->base + PSTR) & mask) {
+ writel(mask, rmobile_pd->base + SPDCR);
+
+ readl_poll_timeout_atomic(rmobile_pd->base + SPDCR, val,
+ !(val & mask), 0, PSTR_RETRIES);
+ }
+
+ pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", genpd->name, mask,
+ readl(rmobile_pd->base + PSTR));
+
+ return 0;
+}
+
+static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
+{
+ unsigned int val, mask = BIT(rmobile_pd->bit_shift);
+ int ret = 0;
+
+ if (readl(rmobile_pd->base + PSTR) & mask)
+ return ret;
+
+ writel(mask, rmobile_pd->base + SWUCR);
+
+ ret = readl_poll_timeout_atomic(rmobile_pd->base + SWUCR, val,
+ (val & mask), PSTR_DELAY_US,
+ PSTR_RETRIES * PSTR_DELAY_US);
+
+ pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
+ rmobile_pd->genpd.name, mask,
+ readl(rmobile_pd->base + PSTR));
+
+ return ret;
+}
+
+static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
+{
+ return __rmobile_pd_power_up(to_rmobile_pd(genpd));
+}
+
+static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
+{
+ struct generic_pm_domain *genpd = &rmobile_pd->genpd;
+ struct dev_power_governor *gov = rmobile_pd->gov;
+
+ genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+ genpd->attach_dev = cpg_mstp_attach_dev;
+ genpd->detach_dev = cpg_mstp_detach_dev;
+
+ if (!(genpd->flags & GENPD_FLAG_ALWAYS_ON)) {
+ genpd->power_off = rmobile_pd_power_down;
+ genpd->power_on = rmobile_pd_power_up;
+ __rmobile_pd_power_up(rmobile_pd);
+ }
+
+ pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
+}
+
+static int rmobile_pd_suspend_console(void)
+{
+ /*
+ * Serial consoles make use of SCIF hardware located in this domain,
+ * hence keep the power domain on if "no_console_suspend" is set.
+ */
+ return console_suspend_enabled ? 0 : -EBUSY;
+}
+
+enum pd_types {
+ PD_NORMAL,
+ PD_CPU,
+ PD_CONSOLE,
+ PD_DEBUG,
+ PD_MEMCTL,
+};
+
+#define MAX_NUM_SPECIAL_PDS 16
+
+static struct special_pd {
+ struct device_node *pd;
+ enum pd_types type;
+} special_pds[MAX_NUM_SPECIAL_PDS] __initdata;
+
+static unsigned int num_special_pds __initdata;
+
+static const struct of_device_id special_ids[] __initconst = {
+ { .compatible = "arm,coresight-etm3x", .data = (void *)PD_DEBUG },
+ { .compatible = "renesas,dbsc-r8a73a4", .data = (void *)PD_MEMCTL, },
+ { .compatible = "renesas,dbsc3-r8a7740", .data = (void *)PD_MEMCTL, },
+ { .compatible = "renesas,sbsc-sh73a0", .data = (void *)PD_MEMCTL, },
+ { /* sentinel */ },
+};
+
+static void __init add_special_pd(struct device_node *np, enum pd_types type)
+{
+ unsigned int i;
+ struct device_node *pd;
+
+ pd = of_parse_phandle(np, "power-domains", 0);
+ if (!pd)
+ return;
+
+ for (i = 0; i < num_special_pds; i++)
+ if (pd == special_pds[i].pd && type == special_pds[i].type) {
+ of_node_put(pd);
+ return;
+ }
+
+ if (num_special_pds == ARRAY_SIZE(special_pds)) {
+ pr_warn("Too many special PM domains\n");
+ of_node_put(pd);
+ return;
+ }
+
+ pr_debug("Special PM domain %pOFn type %d for %pOF\n", pd, type, np);
+
+ special_pds[num_special_pds].pd = pd;
+ special_pds[num_special_pds].type = type;
+ num_special_pds++;
+}
+
+static void __init get_special_pds(void)
+{
+ struct device_node *np;
+ const struct of_device_id *id;
+
+ /* PM domains containing CPUs */
+ for_each_of_cpu_node(np)
+ add_special_pd(np, PD_CPU);
+
+ /* PM domain containing console */
+ if (of_stdout)
+ add_special_pd(of_stdout, PD_CONSOLE);
+
+ /* PM domains containing other special devices */
+ for_each_matching_node_and_match(np, special_ids, &id)
+ add_special_pd(np, (enum pd_types)id->data);
+}
+
+static void __init put_special_pds(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < num_special_pds; i++)
+ of_node_put(special_pds[i].pd);
+}
+
+static enum pd_types __init pd_type(const struct device_node *pd)
+{
+ unsigned int i;
+
+ for (i = 0; i < num_special_pds; i++)
+ if (pd == special_pds[i].pd)
+ return special_pds[i].type;
+
+ return PD_NORMAL;
+}
+
+static void __init rmobile_setup_pm_domain(struct device_node *np,
+ struct rmobile_pm_domain *pd)
+{
+ const char *name = pd->genpd.name;
+
+ switch (pd_type(np)) {
+ case PD_CPU:
+ /*
+ * This domain contains the CPU core and therefore it should
+ * only be turned off if the CPU is not in use.
+ */
+ pr_debug("PM domain %s contains CPU\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ break;
+
+ case PD_CONSOLE:
+ pr_debug("PM domain %s contains serial console\n", name);
+ pd->gov = &pm_domain_always_on_gov;
+ pd->suspend = rmobile_pd_suspend_console;
+ break;
+
+ case PD_DEBUG:
+ /*
+ * This domain contains the Coresight-ETM hardware block and
+ * therefore it should only be turned off if the debug module
+ * is not in use.
+ */
+ pr_debug("PM domain %s contains Coresight-ETM\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ break;
+
+ case PD_MEMCTL:
+ /*
+ * This domain contains a memory-controller and therefore it
+ * should only be turned off if memory is not in use.
+ */
+ pr_debug("PM domain %s contains MEMCTL\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ break;
+
+ case PD_NORMAL:
+ if (pd->bit_shift == ~0) {
+ /* Top-level always-on domain */
+ pr_debug("PM domain %s is always-on domain\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ }
+ break;
+ }
+
+ rmobile_init_pm_domain(pd);
+}
+
+static int __init rmobile_add_pm_domains(void __iomem *base,
+ struct device_node *parent,
+ struct generic_pm_domain *genpd_parent)
+{
+ struct device_node *np;
+
+ for_each_child_of_node(parent, np) {
+ struct rmobile_pm_domain *pd;
+ u32 idx = ~0;
+
+ if (of_property_read_u32(np, "reg", &idx)) {
+ /* always-on domain */
+ }
+
+ pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+ if (!pd) {
+ of_node_put(np);
+ return -ENOMEM;
+ }
+
+ pd->genpd.name = np->name;
+ pd->base = base;
+ pd->bit_shift = idx;
+
+ rmobile_setup_pm_domain(np, pd);
+ if (genpd_parent)
+ pm_genpd_add_subdomain(genpd_parent, &pd->genpd);
+ of_genpd_add_provider_simple(np, &pd->genpd);
+
+ rmobile_add_pm_domains(base, np, &pd->genpd);
+ }
+ return 0;
+}
+
+static int __init rmobile_init_pm_domains(void)
+{
+ struct device_node *np, *pmd;
+ bool scanned = false;
+ void __iomem *base;
+ int ret = 0;
+
+ for_each_compatible_node(np, NULL, "renesas,sysc-rmobile") {
+ base = of_iomap(np, 0);
+ if (!base) {
+ pr_warn("%pOF cannot map reg 0\n", np);
+ continue;
+ }
+
+ pmd = of_get_child_by_name(np, "pm-domains");
+ if (!pmd) {
+ iounmap(base);
+ pr_warn("%pOF lacks pm-domains node\n", np);
+ continue;
+ }
+
+ if (!scanned) {
+ /* Find PM domains containing special blocks */
+ get_special_pds();
+ scanned = true;
+ }
+
+ ret = rmobile_add_pm_domains(base, pmd, NULL);
+ of_node_put(pmd);
+ if (ret) {
+ of_node_put(np);
+ break;
+ }
+
+ fwnode_dev_initialized(of_fwnode_handle(np), true);
+ }
+
+ put_special_pds();
+
+ return ret;
+}
+
+core_initcall(rmobile_init_pm_domains);
obj-$(CONFIG_SOC_RENESAS) += renesas-soc.o
# SoC
-obj-$(CONFIG_SYSC_R8A7742) += r8a7742-sysc.o
-obj-$(CONFIG_SYSC_R8A7743) += r8a7743-sysc.o
-obj-$(CONFIG_SYSC_R8A7745) += r8a7745-sysc.o
-obj-$(CONFIG_SYSC_R8A77470) += r8a77470-sysc.o
-obj-$(CONFIG_SYSC_R8A774A1) += r8a774a1-sysc.o
-obj-$(CONFIG_SYSC_R8A774B1) += r8a774b1-sysc.o
-obj-$(CONFIG_SYSC_R8A774C0) += r8a774c0-sysc.o
-obj-$(CONFIG_SYSC_R8A774E1) += r8a774e1-sysc.o
-obj-$(CONFIG_SYSC_R8A7779) += r8a7779-sysc.o
-obj-$(CONFIG_SYSC_R8A7790) += r8a7790-sysc.o
-obj-$(CONFIG_SYSC_R8A7791) += r8a7791-sysc.o
-obj-$(CONFIG_SYSC_R8A7792) += r8a7792-sysc.o
-obj-$(CONFIG_SYSC_R8A7794) += r8a7794-sysc.o
-obj-$(CONFIG_SYSC_R8A7795) += r8a7795-sysc.o
-obj-$(CONFIG_SYSC_R8A77960) += r8a7796-sysc.o
-obj-$(CONFIG_SYSC_R8A77961) += r8a7796-sysc.o
-obj-$(CONFIG_SYSC_R8A77965) += r8a77965-sysc.o
-obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o
-obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o
-obj-$(CONFIG_SYSC_R8A77990) += r8a77990-sysc.o
-obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
-obj-$(CONFIG_SYSC_R8A779A0) += r8a779a0-sysc.o
-obj-$(CONFIG_SYSC_R8A779F0) += r8a779f0-sysc.o
-obj-$(CONFIG_SYSC_R8A779G0) += r8a779g0-sysc.o
ifdef CONFIG_SMP
obj-$(CONFIG_ARCH_R9A06G032) += r9a06g032-smp.o
endif
# Family
obj-$(CONFIG_PWC_RZV2M) += pwc-rzv2m.o
obj-$(CONFIG_RST_RCAR) += rcar-rst.o
-obj-$(CONFIG_SYSC_RCAR) += rcar-sysc.o
-obj-$(CONFIG_SYSC_RCAR_GEN4) += rcar-gen4-sysc.o
-obj-$(CONFIG_SYSC_RMOBILE) += rmobile-sysc.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G1H System Controller
- *
- * Copyright (C) 2020 Renesas Electronics Corp.
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7742-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7742_areas[] __initconst = {
- { "always-on", 0, 0, R8A7742_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7742_PD_CA15_SCU, R8A7742_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7742_PD_CA15_CPU0, R8A7742_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7742_PD_CA15_CPU1, R8A7742_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu2", 0x40, 2, R8A7742_PD_CA15_CPU2, R8A7742_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu3", 0x40, 3, R8A7742_PD_CA15_CPU3, R8A7742_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca7-scu", 0x100, 0, R8A7742_PD_CA7_SCU, R8A7742_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A7742_PD_CA7_CPU0, R8A7742_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A7742_PD_CA7_CPU1, R8A7742_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu2", 0x1c0, 2, R8A7742_PD_CA7_CPU2, R8A7742_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu3", 0x1c0, 3, R8A7742_PD_CA7_CPU3, R8A7742_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "rgx", 0xc0, 0, R8A7742_PD_RGX, R8A7742_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7742_sysc_info __initconst = {
- .areas = r8a7742_areas,
- .num_areas = ARRAY_SIZE(r8a7742_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G1M System Controller
- *
- * Copyright (C) 2016 Cogent Embedded Inc.
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7743-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7743_areas[] __initconst = {
- { "always-on", 0, 0, R8A7743_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7743_PD_CA15_SCU, R8A7743_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7743_PD_CA15_CPU0, R8A7743_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7743_PD_CA15_CPU1, R8A7743_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "sgx", 0xc0, 0, R8A7743_PD_SGX, R8A7743_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7743_sysc_info __initconst = {
- .areas = r8a7743_areas,
- .num_areas = ARRAY_SIZE(r8a7743_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G1E System Controller
- *
- * Copyright (C) 2016 Cogent Embedded Inc.
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7745-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7745_areas[] __initconst = {
- { "always-on", 0, 0, R8A7745_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca7-scu", 0x100, 0, R8A7745_PD_CA7_SCU, R8A7745_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A7745_PD_CA7_CPU0, R8A7745_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A7745_PD_CA7_CPU1, R8A7745_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "sgx", 0xc0, 0, R8A7745_PD_SGX, R8A7745_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7745_sysc_info __initconst = {
- .areas = r8a7745_areas,
- .num_areas = ARRAY_SIZE(r8a7745_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G1C System Controller
- *
- * Copyright (C) 2018 Renesas Electronics Corp.
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77470-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77470_areas[] __initconst = {
- { "always-on", 0, 0, R8A77470_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca7-scu", 0x100, 0, R8A77470_PD_CA7_SCU, R8A77470_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A77470_PD_CA7_CPU0, R8A77470_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A77470_PD_CA7_CPU1, R8A77470_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "sgx", 0xc0, 0, R8A77470_PD_SGX, R8A77470_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a77470_sysc_info __initconst = {
- .areas = r8a77470_areas,
- .num_areas = ARRAY_SIZE(r8a77470_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G2M System Controller
- * Copyright (C) 2018 Renesas Electronics Corp.
- *
- * Based on Renesas R-Car M3-W System Controller
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a774a1-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a774a1_areas[] __initconst = {
- { "always-on", 0, 0, R8A774A1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A774A1_PD_CA57_SCU, R8A774A1_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A774A1_PD_CA57_CPU0, R8A774A1_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A774A1_PD_CA57_CPU1, R8A774A1_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca53-scu", 0x140, 0, R8A774A1_PD_CA53_SCU, R8A774A1_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A774A1_PD_CA53_CPU0, R8A774A1_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A774A1_PD_CA53_CPU1, R8A774A1_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A774A1_PD_CA53_CPU2, R8A774A1_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A774A1_PD_CA53_CPU3, R8A774A1_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "a3vc", 0x380, 0, R8A774A1_PD_A3VC, R8A774A1_PD_ALWAYS_ON },
- { "a2vc0", 0x3c0, 0, R8A774A1_PD_A2VC0, R8A774A1_PD_A3VC },
- { "a2vc1", 0x3c0, 1, R8A774A1_PD_A2VC1, R8A774A1_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A774A1_PD_3DG_A, R8A774A1_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A774A1_PD_3DG_B, R8A774A1_PD_3DG_A },
-};
-
-const struct rcar_sysc_info r8a774a1_sysc_info __initconst = {
- .areas = r8a774a1_areas,
- .num_areas = ARRAY_SIZE(r8a774a1_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G2N System Controller
- * Copyright (C) 2019 Renesas Electronics Corp.
- *
- * Based on Renesas R-Car M3-W System Controller
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a774b1-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a774b1_areas[] __initconst = {
- { "always-on", 0, 0, R8A774B1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A774B1_PD_CA57_SCU, R8A774B1_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A774B1_PD_CA57_CPU0, R8A774B1_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A774B1_PD_CA57_CPU1, R8A774B1_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "a3vc", 0x380, 0, R8A774B1_PD_A3VC, R8A774B1_PD_ALWAYS_ON },
- { "a3vp", 0x340, 0, R8A774B1_PD_A3VP, R8A774B1_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A774B1_PD_A2VC1, R8A774B1_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A774B1_PD_3DG_A, R8A774B1_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A774B1_PD_3DG_B, R8A774B1_PD_3DG_A },
-};
-
-const struct rcar_sysc_info r8a774b1_sysc_info __initconst = {
- .areas = r8a774b1_areas,
- .num_areas = ARRAY_SIZE(r8a774b1_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G2E System Controller
- * Copyright (C) 2018 Renesas Electronics Corp.
- *
- * Based on Renesas R-Car E3 System Controller
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-#include <linux/sys_soc.h>
-
-#include <dt-bindings/power/r8a774c0-sysc.h>
-
-#include "rcar-sysc.h"
-
-static struct rcar_sysc_area r8a774c0_areas[] __initdata = {
- { "always-on", 0, 0, R8A774C0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A774C0_PD_CA53_SCU, R8A774C0_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A774C0_PD_CA53_CPU0, R8A774C0_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A774C0_PD_CA53_CPU1, R8A774C0_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "a3vc", 0x380, 0, R8A774C0_PD_A3VC, R8A774C0_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A774C0_PD_A2VC1, R8A774C0_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A774C0_PD_3DG_A, R8A774C0_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A774C0_PD_3DG_B, R8A774C0_PD_3DG_A },
-};
-
-/* Fixups for RZ/G2E ES1.0 revision */
-static const struct soc_device_attribute r8a774c0[] __initconst = {
- { .soc_id = "r8a774c0", .revision = "ES1.0" },
- { /* sentinel */ }
-};
-
-static int __init r8a774c0_sysc_init(void)
-{
- if (soc_device_match(r8a774c0)) {
- /* Fix incorrect 3DG hierarchy */
- swap(r8a774c0_areas[6], r8a774c0_areas[7]);
- r8a774c0_areas[6].parent = R8A774C0_PD_ALWAYS_ON;
- r8a774c0_areas[7].parent = R8A774C0_PD_3DG_B;
- }
-
- return 0;
-}
-
-const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {
- .init = r8a774c0_sysc_init,
- .areas = r8a774c0_areas,
- .num_areas = ARRAY_SIZE(r8a774c0_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas RZ/G2H System Controller
- * Copyright (C) 2020 Renesas Electronics Corp.
- *
- * Based on Renesas R-Car H3 System Controller
- * Copyright (C) 2016-2017 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a774e1-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a774e1_areas[] __initconst = {
- { "always-on", 0, 0, R8A774E1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A774E1_PD_CA57_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A774E1_PD_CA57_CPU0, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A774E1_PD_CA57_CPU1, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
- { "ca57-cpu2", 0x80, 2, R8A774E1_PD_CA57_CPU2, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
- { "ca57-cpu3", 0x80, 3, R8A774E1_PD_CA57_CPU3, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
- { "ca53-scu", 0x140, 0, R8A774E1_PD_CA53_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A774E1_PD_CA53_CPU0, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A774E1_PD_CA53_CPU1, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A774E1_PD_CA53_CPU2, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A774E1_PD_CA53_CPU3, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
- { "a3vp", 0x340, 0, R8A774E1_PD_A3VP, R8A774E1_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A774E1_PD_A3VC, R8A774E1_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A774E1_PD_A2VC1, R8A774E1_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A774E1_PD_3DG_A, R8A774E1_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A774E1_PD_3DG_B, R8A774E1_PD_3DG_A },
- { "3dg-c", 0x100, 2, R8A774E1_PD_3DG_C, R8A774E1_PD_3DG_B },
- { "3dg-d", 0x100, 3, R8A774E1_PD_3DG_D, R8A774E1_PD_3DG_C },
- { "3dg-e", 0x100, 4, R8A774E1_PD_3DG_E, R8A774E1_PD_3DG_D },
-};
-
-const struct rcar_sysc_info r8a774e1_sysc_info __initconst = {
- .areas = r8a774e1_areas,
- .num_areas = ARRAY_SIZE(r8a774e1_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car H1 System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7779-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7779_areas[] __initconst = {
- { "always-on", 0, 0, R8A7779_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "arm1", 0x40, 1, R8A7779_PD_ARM1, R8A7779_PD_ALWAYS_ON,
- PD_CPU_CR },
- { "arm2", 0x40, 2, R8A7779_PD_ARM2, R8A7779_PD_ALWAYS_ON,
- PD_CPU_CR },
- { "arm3", 0x40, 3, R8A7779_PD_ARM3, R8A7779_PD_ALWAYS_ON,
- PD_CPU_CR },
- { "sgx", 0xc0, 0, R8A7779_PD_SGX, R8A7779_PD_ALWAYS_ON },
- { "vdp", 0x100, 0, R8A7779_PD_VDP, R8A7779_PD_ALWAYS_ON },
- { "imp", 0x140, 0, R8A7779_PD_IMP, R8A7779_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7779_sysc_info __initconst = {
- .areas = r8a7779_areas,
- .num_areas = ARRAY_SIZE(r8a7779_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car H2 System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7790-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7790_areas[] __initconst = {
- { "always-on", 0, 0, R8A7790_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7790_PD_CA15_SCU, R8A7790_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7790_PD_CA15_CPU0, R8A7790_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7790_PD_CA15_CPU1, R8A7790_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu2", 0x40, 2, R8A7790_PD_CA15_CPU2, R8A7790_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu3", 0x40, 3, R8A7790_PD_CA15_CPU3, R8A7790_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca7-scu", 0x100, 0, R8A7790_PD_CA7_SCU, R8A7790_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A7790_PD_CA7_CPU0, R8A7790_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A7790_PD_CA7_CPU1, R8A7790_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu2", 0x1c0, 2, R8A7790_PD_CA7_CPU2, R8A7790_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu3", 0x1c0, 3, R8A7790_PD_CA7_CPU3, R8A7790_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "sh-4a", 0x80, 0, R8A7790_PD_SH_4A, R8A7790_PD_ALWAYS_ON },
- { "rgx", 0xc0, 0, R8A7790_PD_RGX, R8A7790_PD_ALWAYS_ON },
- { "imp", 0x140, 0, R8A7790_PD_IMP, R8A7790_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7790_sysc_info __initconst = {
- .areas = r8a7790_areas,
- .num_areas = ARRAY_SIZE(r8a7790_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car M2-W/N System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7791-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7791_areas[] __initconst = {
- { "always-on", 0, 0, R8A7791_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7791_PD_CA15_SCU, R8A7791_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7791_PD_CA15_CPU0, R8A7791_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7791_PD_CA15_CPU1, R8A7791_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "sh-4a", 0x80, 0, R8A7791_PD_SH_4A, R8A7791_PD_ALWAYS_ON },
- { "sgx", 0xc0, 0, R8A7791_PD_SGX, R8A7791_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7791_sysc_info __initconst = {
- .areas = r8a7791_areas,
- .num_areas = ARRAY_SIZE(r8a7791_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V2H (R8A7792) System Controller
- *
- * Copyright (C) 2016 Cogent Embedded Inc.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7792-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7792_areas[] __initconst = {
- { "always-on", 0, 0, R8A7792_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca15-scu", 0x180, 0, R8A7792_PD_CA15_SCU, R8A7792_PD_ALWAYS_ON,
- PD_SCU },
- { "ca15-cpu0", 0x40, 0, R8A7792_PD_CA15_CPU0, R8A7792_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "ca15-cpu1", 0x40, 1, R8A7792_PD_CA15_CPU1, R8A7792_PD_CA15_SCU,
- PD_CPU_NOCR },
- { "sgx", 0xc0, 0, R8A7792_PD_SGX, R8A7792_PD_ALWAYS_ON },
- { "imp", 0x140, 0, R8A7792_PD_IMP, R8A7792_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7792_sysc_info __initconst = {
- .areas = r8a7792_areas,
- .num_areas = ARRAY_SIZE(r8a7792_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car E2 System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7794-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a7794_areas[] __initconst = {
- { "always-on", 0, 0, R8A7794_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca7-scu", 0x100, 0, R8A7794_PD_CA7_SCU, R8A7794_PD_ALWAYS_ON,
- PD_SCU },
- { "ca7-cpu0", 0x1c0, 0, R8A7794_PD_CA7_CPU0, R8A7794_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "ca7-cpu1", 0x1c0, 1, R8A7794_PD_CA7_CPU1, R8A7794_PD_CA7_SCU,
- PD_CPU_NOCR },
- { "sh-4a", 0x80, 0, R8A7794_PD_SH_4A, R8A7794_PD_ALWAYS_ON },
- { "sgx", 0xc0, 0, R8A7794_PD_SGX, R8A7794_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a7794_sysc_info __initconst = {
- .areas = r8a7794_areas,
- .num_areas = ARRAY_SIZE(r8a7794_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car H3 System Controller
- *
- * Copyright (C) 2016-2017 Glider bvba
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-#include <linux/sys_soc.h>
-
-#include <dt-bindings/power/r8a7795-sysc.h>
-
-#include "rcar-sysc.h"
-
-static struct rcar_sysc_area r8a7795_areas[] __initdata = {
- { "always-on", 0, 0, R8A7795_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A7795_PD_CA57_SCU, R8A7795_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A7795_PD_CA57_CPU0, R8A7795_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A7795_PD_CA57_CPU1, R8A7795_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu2", 0x80, 2, R8A7795_PD_CA57_CPU2, R8A7795_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu3", 0x80, 3, R8A7795_PD_CA57_CPU3, R8A7795_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca53-scu", 0x140, 0, R8A7795_PD_CA53_SCU, R8A7795_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A7795_PD_CA53_CPU0, R8A7795_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A7795_PD_CA53_CPU1, R8A7795_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A7795_PD_CA53_CPU2, R8A7795_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A7795_PD_CA53_CPU3, R8A7795_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "a3vp", 0x340, 0, R8A7795_PD_A3VP, R8A7795_PD_ALWAYS_ON },
- { "cr7", 0x240, 0, R8A7795_PD_CR7, R8A7795_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A7795_PD_A3VC, R8A7795_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A7795_PD_A2VC1, R8A7795_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A7795_PD_3DG_A, R8A7795_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A7795_PD_3DG_B, R8A7795_PD_3DG_A },
- { "3dg-c", 0x100, 2, R8A7795_PD_3DG_C, R8A7795_PD_3DG_B },
- { "3dg-d", 0x100, 3, R8A7795_PD_3DG_D, R8A7795_PD_3DG_C },
- { "3dg-e", 0x100, 4, R8A7795_PD_3DG_E, R8A7795_PD_3DG_D },
- { "a3ir", 0x180, 0, R8A7795_PD_A3IR, R8A7795_PD_ALWAYS_ON },
-};
-
-
- /*
- * Fixups for R-Car H3 revisions
- */
-
-#define NO_EXTMASK BIT(1) /* Missing SYSCEXTMASK register */
-
-static const struct soc_device_attribute r8a7795_quirks_match[] __initconst = {
- {
- .soc_id = "r8a7795", .revision = "ES2.*",
- .data = (void *)(NO_EXTMASK),
- },
- { /* sentinel */ }
-};
-
-static int __init r8a7795_sysc_init(void)
-{
- const struct soc_device_attribute *attr;
- u32 quirks = 0;
-
- attr = soc_device_match(r8a7795_quirks_match);
- if (attr)
- quirks = (uintptr_t)attr->data;
-
- if (quirks & NO_EXTMASK)
- r8a7795_sysc_info.extmask_val = 0;
-
- return 0;
-}
-
-struct rcar_sysc_info r8a7795_sysc_info __initdata = {
- .init = r8a7795_sysc_init,
- .areas = r8a7795_areas,
- .num_areas = ARRAY_SIZE(r8a7795_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car M3-W/W+ System Controller
- *
- * Copyright (C) 2016 Glider bvba
- * Copyright (C) 2018-2019 Renesas Electronics Corporation
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a7796-sysc.h>
-
-#include "rcar-sysc.h"
-
-static struct rcar_sysc_area r8a7796_areas[] __initdata = {
- { "always-on", 0, 0, R8A7796_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A7796_PD_CA57_SCU, R8A7796_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A7796_PD_CA57_CPU0, R8A7796_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A7796_PD_CA57_CPU1, R8A7796_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca53-scu", 0x140, 0, R8A7796_PD_CA53_SCU, R8A7796_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A7796_PD_CA53_CPU0, R8A7796_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A7796_PD_CA53_CPU1, R8A7796_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A7796_PD_CA53_CPU2, R8A7796_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A7796_PD_CA53_CPU3, R8A7796_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A7796_PD_CR7, R8A7796_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A7796_PD_A3VC, R8A7796_PD_ALWAYS_ON },
- { "a2vc0", 0x3c0, 0, R8A7796_PD_A2VC0, R8A7796_PD_A3VC },
- { "a2vc1", 0x3c0, 1, R8A7796_PD_A2VC1, R8A7796_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A7796_PD_3DG_A, R8A7796_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A7796_PD_3DG_B, R8A7796_PD_3DG_A },
- { "a3ir", 0x180, 0, R8A7796_PD_A3IR, R8A7796_PD_ALWAYS_ON },
-};
-
-
-#ifdef CONFIG_SYSC_R8A77960
-const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
- .areas = r8a7796_areas,
- .num_areas = ARRAY_SIZE(r8a7796_areas),
-};
-#endif /* CONFIG_SYSC_R8A77960 */
-
-#ifdef CONFIG_SYSC_R8A77961
-static int __init r8a77961_sysc_init(void)
-{
- rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
- R8A7796_PD_A2VC0);
-
- return 0;
-}
-
-const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
- .init = r8a77961_sysc_init,
- .areas = r8a7796_areas,
- .num_areas = ARRAY_SIZE(r8a7796_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
-#endif /* CONFIG_SYSC_R8A77961 */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car M3-N System Controller
- * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
- *
- * Based on Renesas R-Car M3-W System Controller
- * Copyright (C) 2016 Glider bvba
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77965-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
- { "always-on", 0, 0, R8A77965_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca57-scu", 0x1c0, 0, R8A77965_PD_CA57_SCU, R8A77965_PD_ALWAYS_ON,
- PD_SCU },
- { "ca57-cpu0", 0x80, 0, R8A77965_PD_CA57_CPU0, R8A77965_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "ca57-cpu1", 0x80, 1, R8A77965_PD_CA57_CPU1, R8A77965_PD_CA57_SCU,
- PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A77965_PD_CR7, R8A77965_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A77965_PD_A3VC, R8A77965_PD_ALWAYS_ON },
- { "a3vp", 0x340, 0, R8A77965_PD_A3VP, R8A77965_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A77965_PD_A2VC1, R8A77965_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A77965_PD_3DG_A, R8A77965_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A77965_PD_3DG_B, R8A77965_PD_3DG_A },
-};
-
-const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
- .areas = r8a77965_areas,
- .num_areas = ARRAY_SIZE(r8a77965_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V3M System Controller
- *
- * Copyright (C) 2017 Cogent Embedded Inc.
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77970-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
- { "always-on", 0, 0, R8A77970_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A77970_PD_CA53_SCU, R8A77970_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A77970_PD_CA53_CPU0, R8A77970_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A77970_PD_CA53_CPU1, R8A77970_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "a3ir", 0x180, 0, R8A77970_PD_A3IR, R8A77970_PD_ALWAYS_ON },
- { "a2ir0", 0x400, 0, R8A77970_PD_A2IR0, R8A77970_PD_A3IR },
- { "a2ir1", 0x400, 1, R8A77970_PD_A2IR1, R8A77970_PD_A3IR },
- { "a2dp", 0x400, 2, R8A77970_PD_A2DP, R8A77970_PD_A3IR },
- { "a2cn", 0x400, 3, R8A77970_PD_A2CN, R8A77970_PD_A3IR },
- { "a2sc0", 0x400, 4, R8A77970_PD_A2SC0, R8A77970_PD_A3IR },
- { "a2sc1", 0x400, 5, R8A77970_PD_A2SC1, R8A77970_PD_A3IR },
-};
-
-const struct rcar_sysc_info r8a77970_sysc_info __initconst = {
- .areas = r8a77970_areas,
- .num_areas = ARRAY_SIZE(r8a77970_areas),
- .extmask_offs = 0x1b0,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V3H System Controller
- *
- * Copyright (C) 2018 Renesas Electronics Corp.
- * Copyright (C) 2018 Cogent Embedded, Inc.
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77980-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
- { "always-on", 0, 0, R8A77980_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A77980_PD_CA53_SCU, R8A77980_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A77980_PD_CA53_CPU0, R8A77980_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A77980_PD_CA53_CPU1, R8A77980_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu2", 0x200, 2, R8A77980_PD_CA53_CPU2, R8A77980_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu3", 0x200, 3, R8A77980_PD_CA53_CPU3, R8A77980_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON },
- { "a3ir", 0x180, 0, R8A77980_PD_A3IR, R8A77980_PD_ALWAYS_ON },
- { "a2ir0", 0x400, 0, R8A77980_PD_A2IR0, R8A77980_PD_A3IR },
- { "a2ir1", 0x400, 1, R8A77980_PD_A2IR1, R8A77980_PD_A3IR },
- { "a2ir2", 0x400, 2, R8A77980_PD_A2IR2, R8A77980_PD_A3IR },
- { "a2ir3", 0x400, 3, R8A77980_PD_A2IR3, R8A77980_PD_A3IR },
- { "a2ir4", 0x400, 4, R8A77980_PD_A2IR4, R8A77980_PD_A3IR },
- { "a2ir5", 0x400, 5, R8A77980_PD_A2IR5, R8A77980_PD_A3IR },
- { "a2sc0", 0x400, 6, R8A77980_PD_A2SC0, R8A77980_PD_A3IR },
- { "a2sc1", 0x400, 7, R8A77980_PD_A2SC1, R8A77980_PD_A3IR },
- { "a2sc2", 0x400, 8, R8A77980_PD_A2SC2, R8A77980_PD_A3IR },
- { "a2sc3", 0x400, 9, R8A77980_PD_A2SC3, R8A77980_PD_A3IR },
- { "a2sc4", 0x400, 10, R8A77980_PD_A2SC4, R8A77980_PD_A3IR },
- { "a2dp0", 0x400, 11, R8A77980_PD_A2DP0, R8A77980_PD_A3IR },
- { "a2dp1", 0x400, 12, R8A77980_PD_A2DP1, R8A77980_PD_A3IR },
- { "a2cn", 0x400, 13, R8A77980_PD_A2CN, R8A77980_PD_A3IR },
- { "a3vip0", 0x2c0, 0, R8A77980_PD_A3VIP0, R8A77980_PD_ALWAYS_ON },
- { "a3vip1", 0x300, 0, R8A77980_PD_A3VIP1, R8A77980_PD_ALWAYS_ON },
- { "a3vip2", 0x280, 0, R8A77980_PD_A3VIP2, R8A77980_PD_ALWAYS_ON },
-};
-
-const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
- .areas = r8a77980_areas,
- .num_areas = ARRAY_SIZE(r8a77980_areas),
- .extmask_offs = 0x138,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car E3 System Controller
- *
- * Copyright (C) 2018 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-#include <linux/sys_soc.h>
-
-#include <dt-bindings/power/r8a77990-sysc.h>
-
-#include "rcar-sysc.h"
-
-static struct rcar_sysc_area r8a77990_areas[] __initdata = {
- { "always-on", 0, 0, R8A77990_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A77990_PD_CA53_SCU, R8A77990_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A77990_PD_CA53_CPU0, R8A77990_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "ca53-cpu1", 0x200, 1, R8A77990_PD_CA53_CPU1, R8A77990_PD_CA53_SCU,
- PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A77990_PD_CR7, R8A77990_PD_ALWAYS_ON },
- { "a3vc", 0x380, 0, R8A77990_PD_A3VC, R8A77990_PD_ALWAYS_ON },
- { "a2vc1", 0x3c0, 1, R8A77990_PD_A2VC1, R8A77990_PD_A3VC },
- { "3dg-a", 0x100, 0, R8A77990_PD_3DG_A, R8A77990_PD_ALWAYS_ON },
- { "3dg-b", 0x100, 1, R8A77990_PD_3DG_B, R8A77990_PD_3DG_A },
-};
-
-/* Fixups for R-Car E3 ES1.0 revision */
-static const struct soc_device_attribute r8a77990[] __initconst = {
- { .soc_id = "r8a77990", .revision = "ES1.0" },
- { /* sentinel */ }
-};
-
-static int __init r8a77990_sysc_init(void)
-{
- if (soc_device_match(r8a77990)) {
- /* Fix incorrect 3DG hierarchy */
- swap(r8a77990_areas[7], r8a77990_areas[8]);
- r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON;
- r8a77990_areas[8].parent = R8A77990_PD_3DG_B;
- }
-
- return 0;
-}
-
-const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
- .init = r8a77990_sysc_init,
- .areas = r8a77990_areas,
- .num_areas = ARRAY_SIZE(r8a77990_areas),
- .extmask_offs = 0x2f8,
- .extmask_val = BIT(0),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car D3 System Controller
- *
- * Copyright (C) 2017 Glider bvba
- */
-
-#include <linux/kernel.h>
-
-#include <dt-bindings/power/r8a77995-sysc.h>
-
-#include "rcar-sysc.h"
-
-static const struct rcar_sysc_area r8a77995_areas[] __initconst = {
- { "always-on", 0, 0, R8A77995_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "ca53-scu", 0x140, 0, R8A77995_PD_CA53_SCU, R8A77995_PD_ALWAYS_ON,
- PD_SCU },
- { "ca53-cpu0", 0x200, 0, R8A77995_PD_CA53_CPU0, R8A77995_PD_CA53_SCU,
- PD_CPU_NOCR },
-};
-
-
-const struct rcar_sysc_info r8a77995_sysc_info __initconst = {
- .areas = r8a77995_areas,
- .num_areas = ARRAY_SIZE(r8a77995_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V3U System Controller
- *
- * Copyright (C) 2020 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <dt-bindings/power/r8a779a0-sysc.h>
-
-#include "rcar-gen4-sysc.h"
-
-static struct rcar_gen4_sysc_area r8a779a0_areas[] __initdata = {
- { "always-on", R8A779A0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "a3e0", R8A779A0_PD_A3E0, R8A779A0_PD_ALWAYS_ON, PD_SCU },
- { "a3e1", R8A779A0_PD_A3E1, R8A779A0_PD_ALWAYS_ON, PD_SCU },
- { "a2e0d0", R8A779A0_PD_A2E0D0, R8A779A0_PD_A3E0, PD_SCU },
- { "a2e0d1", R8A779A0_PD_A2E0D1, R8A779A0_PD_A3E0, PD_SCU },
- { "a2e1d0", R8A779A0_PD_A2E1D0, R8A779A0_PD_A3E1, PD_SCU },
- { "a2e1d1", R8A779A0_PD_A2E1D1, R8A779A0_PD_A3E1, PD_SCU },
- { "a1e0d0c0", R8A779A0_PD_A1E0D0C0, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d0c1", R8A779A0_PD_A1E0D0C1, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d1c0", R8A779A0_PD_A1E0D1C0, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e0d1c1", R8A779A0_PD_A1E0D1C1, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e1d0c0", R8A779A0_PD_A1E1D0C0, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
- { "a1e1d0c1", R8A779A0_PD_A1E1D0C1, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
- { "a1e1d1c0", R8A779A0_PD_A1E1D1C0, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
- { "a1e1d1c1", R8A779A0_PD_A1E1D1C1, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
- { "3dg-a", R8A779A0_PD_3DG_A, R8A779A0_PD_ALWAYS_ON },
- { "3dg-b", R8A779A0_PD_3DG_B, R8A779A0_PD_3DG_A },
- { "a3vip0", R8A779A0_PD_A3VIP0, R8A779A0_PD_ALWAYS_ON },
- { "a3vip1", R8A779A0_PD_A3VIP1, R8A779A0_PD_ALWAYS_ON },
- { "a3vip3", R8A779A0_PD_A3VIP3, R8A779A0_PD_ALWAYS_ON },
- { "a3vip2", R8A779A0_PD_A3VIP2, R8A779A0_PD_ALWAYS_ON },
- { "a3isp01", R8A779A0_PD_A3ISP01, R8A779A0_PD_ALWAYS_ON },
- { "a3isp23", R8A779A0_PD_A3ISP23, R8A779A0_PD_ALWAYS_ON },
- { "a3ir", R8A779A0_PD_A3IR, R8A779A0_PD_ALWAYS_ON },
- { "a2cn0", R8A779A0_PD_A2CN0, R8A779A0_PD_A3IR },
- { "a2imp01", R8A779A0_PD_A2IMP01, R8A779A0_PD_A3IR },
- { "a2dp0", R8A779A0_PD_A2DP0, R8A779A0_PD_A3IR },
- { "a2cv0", R8A779A0_PD_A2CV0, R8A779A0_PD_A3IR },
- { "a2cv1", R8A779A0_PD_A2CV1, R8A779A0_PD_A3IR },
- { "a2cv4", R8A779A0_PD_A2CV4, R8A779A0_PD_A3IR },
- { "a2cv6", R8A779A0_PD_A2CV6, R8A779A0_PD_A3IR },
- { "a2cn2", R8A779A0_PD_A2CN2, R8A779A0_PD_A3IR },
- { "a2imp23", R8A779A0_PD_A2IMP23, R8A779A0_PD_A3IR },
- { "a2dp1", R8A779A0_PD_A2DP1, R8A779A0_PD_A3IR },
- { "a2cv2", R8A779A0_PD_A2CV2, R8A779A0_PD_A3IR },
- { "a2cv3", R8A779A0_PD_A2CV3, R8A779A0_PD_A3IR },
- { "a2cv5", R8A779A0_PD_A2CV5, R8A779A0_PD_A3IR },
- { "a2cv7", R8A779A0_PD_A2CV7, R8A779A0_PD_A3IR },
- { "a2cn1", R8A779A0_PD_A2CN1, R8A779A0_PD_A3IR },
- { "a1cnn0", R8A779A0_PD_A1CNN0, R8A779A0_PD_A2CN0 },
- { "a1cnn2", R8A779A0_PD_A1CNN2, R8A779A0_PD_A2CN2 },
- { "a1dsp0", R8A779A0_PD_A1DSP0, R8A779A0_PD_A2CN2 },
- { "a1cnn1", R8A779A0_PD_A1CNN1, R8A779A0_PD_A2CN1 },
- { "a1dsp1", R8A779A0_PD_A1DSP1, R8A779A0_PD_A2CN1 },
-};
-
-const struct rcar_gen4_sysc_info r8a779a0_sysc_info __initconst = {
- .areas = r8a779a0_areas,
- .num_areas = ARRAY_SIZE(r8a779a0_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car S4-8 System Controller
- *
- * Copyright (C) 2021 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <dt-bindings/power/r8a779f0-sysc.h>
-
-#include "rcar-gen4-sysc.h"
-
-static struct rcar_gen4_sysc_area r8a779f0_areas[] __initdata = {
- { "always-on", R8A779F0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "a3e0", R8A779F0_PD_A3E0, R8A779F0_PD_ALWAYS_ON, PD_SCU },
- { "a3e1", R8A779F0_PD_A3E1, R8A779F0_PD_ALWAYS_ON, PD_SCU },
- { "a2e0d0", R8A779F0_PD_A2E0D0, R8A779F0_PD_A3E0, PD_SCU },
- { "a2e0d1", R8A779F0_PD_A2E0D1, R8A779F0_PD_A3E0, PD_SCU },
- { "a2e1d0", R8A779F0_PD_A2E1D0, R8A779F0_PD_A3E1, PD_SCU },
- { "a2e1d1", R8A779F0_PD_A2E1D1, R8A779F0_PD_A3E1, PD_SCU },
- { "a1e0d0c0", R8A779F0_PD_A1E0D0C0, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d0c1", R8A779F0_PD_A1E0D0C1, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d1c0", R8A779F0_PD_A1E0D1C0, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e0d1c1", R8A779F0_PD_A1E0D1C1, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e1d0c0", R8A779F0_PD_A1E1D0C0, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
- { "a1e1d0c1", R8A779F0_PD_A1E1D0C1, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
- { "a1e1d1c0", R8A779F0_PD_A1E1D1C0, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
- { "a1e1d1c1", R8A779F0_PD_A1E1D1C1, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
-};
-
-const struct rcar_gen4_sysc_info r8a779f0_sysc_info __initconst = {
- .areas = r8a779f0_areas,
- .num_areas = ARRAY_SIZE(r8a779f0_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Renesas R-Car V4H System Controller
- *
- * Copyright (C) 2022 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <dt-bindings/power/r8a779g0-sysc.h>
-
-#include "rcar-gen4-sysc.h"
-
-static struct rcar_gen4_sysc_area r8a779g0_areas[] __initdata = {
- { "always-on", R8A779G0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
- { "a3e0", R8A779G0_PD_A3E0, R8A779G0_PD_ALWAYS_ON, PD_SCU },
- { "a2e0d0", R8A779G0_PD_A2E0D0, R8A779G0_PD_A3E0, PD_SCU },
- { "a2e0d1", R8A779G0_PD_A2E0D1, R8A779G0_PD_A3E0, PD_SCU },
- { "a1e0d0c0", R8A779G0_PD_A1E0D0C0, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d0c1", R8A779G0_PD_A1E0D0C1, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
- { "a1e0d1c0", R8A779G0_PD_A1E0D1C0, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
- { "a1e0d1c1", R8A779G0_PD_A1E0D1C1, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
- { "a33dga", R8A779G0_PD_A33DGA, R8A779G0_PD_ALWAYS_ON },
- { "a23dgb", R8A779G0_PD_A23DGB, R8A779G0_PD_A33DGA },
- { "a3vip0", R8A779G0_PD_A3VIP0, R8A779G0_PD_ALWAYS_ON },
- { "a3vip1", R8A779G0_PD_A3VIP1, R8A779G0_PD_ALWAYS_ON },
- { "a3vip2", R8A779G0_PD_A3VIP2, R8A779G0_PD_ALWAYS_ON },
- { "a3dul", R8A779G0_PD_A3DUL, R8A779G0_PD_ALWAYS_ON },
- { "a3isp0", R8A779G0_PD_A3ISP0, R8A779G0_PD_ALWAYS_ON },
- { "a3isp1", R8A779G0_PD_A3ISP1, R8A779G0_PD_ALWAYS_ON },
- { "a3ir", R8A779G0_PD_A3IR, R8A779G0_PD_ALWAYS_ON },
- { "a2cn0", R8A779G0_PD_A2CN0, R8A779G0_PD_A3IR },
- { "a1cnn0", R8A779G0_PD_A1CNN0, R8A779G0_PD_A2CN0 },
- { "a1dsp0", R8A779G0_PD_A1DSP0, R8A779G0_PD_A2CN0 },
- { "a1dsp1", R8A779G0_PD_A1DSP1, R8A779G0_PD_A2CN0 },
- { "a1dsp2", R8A779G0_PD_A1DSP2, R8A779G0_PD_A2CN0 },
- { "a1dsp3", R8A779G0_PD_A1DSP3, R8A779G0_PD_A2CN0 },
- { "a2imp01", R8A779G0_PD_A2IMP01, R8A779G0_PD_A3IR },
- { "a2imp23", R8A779G0_PD_A2IMP23, R8A779G0_PD_A3IR },
- { "a2psc", R8A779G0_PD_A2PSC, R8A779G0_PD_A3IR },
- { "a2dma", R8A779G0_PD_A2DMA, R8A779G0_PD_A3IR },
- { "a2cv0", R8A779G0_PD_A2CV0, R8A779G0_PD_A3IR },
- { "a2cv1", R8A779G0_PD_A2CV1, R8A779G0_PD_A3IR },
- { "a2cv2", R8A779G0_PD_A2CV2, R8A779G0_PD_A3IR },
- { "a2cv3", R8A779G0_PD_A2CV3, R8A779G0_PD_A3IR },
-};
-
-const struct rcar_gen4_sysc_info r8a779g0_sysc_info __initconst = {
- .areas = r8a779g0_areas,
- .num_areas = ARRAY_SIZE(r8a779g0_areas),
-};
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * R-Car Gen4 SYSC Power management support
- *
- * Copyright (C) 2021 Renesas Electronics Corp.
- */
-
-#include <linux/bits.h>
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include "rcar-gen4-sysc.h"
-
-/* SYSC Common */
-#define SYSCSR 0x000 /* SYSC Status Register */
-#define SYSCPONSR(x) (0x800 + ((x) * 0x4)) /* Power-ON Status Register 0 */
-#define SYSCPOFFSR(x) (0x808 + ((x) * 0x4)) /* Power-OFF Status Register */
-#define SYSCISCR(x) (0x810 + ((x) * 0x4)) /* Interrupt Status/Clear Register */
-#define SYSCIER(x) (0x820 + ((x) * 0x4)) /* Interrupt Enable Register */
-#define SYSCIMR(x) (0x830 + ((x) * 0x4)) /* Interrupt Mask Register */
-
-/* Power Domain Registers */
-#define PDRSR(n) (0x1000 + ((n) * 0x40))
-#define PDRONCR(n) (0x1004 + ((n) * 0x40))
-#define PDROFFCR(n) (0x1008 + ((n) * 0x40))
-#define PDRESR(n) (0x100C + ((n) * 0x40))
-
-/* PWRON/PWROFF */
-#define PWRON_PWROFF BIT(0) /* Power-ON/OFF request */
-
-/* PDRESR */
-#define PDRESR_ERR BIT(0)
-
-/* PDRSR */
-#define PDRSR_OFF BIT(0) /* Power-OFF state */
-#define PDRSR_ON BIT(4) /* Power-ON state */
-#define PDRSR_OFF_STATE BIT(8) /* Processing Power-OFF sequence */
-#define PDRSR_ON_STATE BIT(12) /* Processing Power-ON sequence */
-
-#define SYSCSR_BUSY GENMASK(1, 0) /* All bit sets is not busy */
-
-#define SYSCSR_TIMEOUT 10000
-#define SYSCSR_DELAY_US 10
-
-#define PDRESR_RETRIES 1000
-#define PDRESR_DELAY_US 10
-
-#define SYSCISR_TIMEOUT 10000
-#define SYSCISR_DELAY_US 10
-
-#define RCAR_GEN4_PD_ALWAYS_ON 64
-#define NUM_DOMAINS_EACH_REG BITS_PER_TYPE(u32)
-
-static void __iomem *rcar_gen4_sysc_base;
-static DEFINE_SPINLOCK(rcar_gen4_sysc_lock); /* SMP CPUs + I/O devices */
-
-static int rcar_gen4_sysc_pwr_on_off(u8 pdr, bool on)
-{
- unsigned int reg_offs;
- u32 val;
- int ret;
-
- if (on)
- reg_offs = PDRONCR(pdr);
- else
- reg_offs = PDROFFCR(pdr);
-
- /* Wait until SYSC is ready to accept a power request */
- ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCSR, val,
- (val & SYSCSR_BUSY) == SYSCSR_BUSY,
- SYSCSR_DELAY_US, SYSCSR_TIMEOUT);
- if (ret < 0)
- return -EAGAIN;
-
- /* Submit power shutoff or power resume request */
- iowrite32(PWRON_PWROFF, rcar_gen4_sysc_base + reg_offs);
-
- return 0;
-}
-
-static int clear_irq_flags(unsigned int reg_idx, unsigned int isr_mask)
-{
- u32 val;
- int ret;
-
- iowrite32(isr_mask, rcar_gen4_sysc_base + SYSCISCR(reg_idx));
-
- ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
- val, !(val & isr_mask),
- SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
- if (ret < 0) {
- pr_err("\n %s : Can not clear IRQ flags in SYSCISCR", __func__);
- return -EIO;
- }
-
- return 0;
-}
-
-static int rcar_gen4_sysc_power(u8 pdr, bool on)
-{
- unsigned int isr_mask;
- unsigned int reg_idx, bit_idx;
- unsigned int status;
- unsigned long flags;
- int ret = 0;
- u32 val;
- int k;
-
- spin_lock_irqsave(&rcar_gen4_sysc_lock, flags);
-
- reg_idx = pdr / NUM_DOMAINS_EACH_REG;
- bit_idx = pdr % NUM_DOMAINS_EACH_REG;
-
- isr_mask = BIT(bit_idx);
-
- /*
- * The interrupt source needs to be enabled, but masked, to prevent the
- * CPU from receiving it.
- */
- iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIER(reg_idx)) | isr_mask,
- rcar_gen4_sysc_base + SYSCIER(reg_idx));
- iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIMR(reg_idx)) | isr_mask,
- rcar_gen4_sysc_base + SYSCIMR(reg_idx));
-
- ret = clear_irq_flags(reg_idx, isr_mask);
- if (ret)
- goto out;
-
- /* Submit power shutoff or resume request until it was accepted */
- for (k = 0; k < PDRESR_RETRIES; k++) {
- ret = rcar_gen4_sysc_pwr_on_off(pdr, on);
- if (ret)
- goto out;
-
- status = ioread32(rcar_gen4_sysc_base + PDRESR(pdr));
- if (!(status & PDRESR_ERR))
- break;
-
- udelay(PDRESR_DELAY_US);
- }
-
- if (k == PDRESR_RETRIES) {
- ret = -EIO;
- goto out;
- }
-
- /* Wait until the power shutoff or resume request has completed * */
- ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
- val, (val & isr_mask),
- SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
- if (ret < 0) {
- ret = -EIO;
- goto out;
- }
-
- /* Clear interrupt flags */
- ret = clear_irq_flags(reg_idx, isr_mask);
- if (ret)
- goto out;
-
- out:
- spin_unlock_irqrestore(&rcar_gen4_sysc_lock, flags);
-
- pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
- pdr, ioread32(rcar_gen4_sysc_base + SYSCISCR(reg_idx)), ret);
- return ret;
-}
-
-static bool rcar_gen4_sysc_power_is_off(u8 pdr)
-{
- unsigned int st;
-
- st = ioread32(rcar_gen4_sysc_base + PDRSR(pdr));
-
- if (st & PDRSR_OFF)
- return true;
-
- return false;
-}
-
-struct rcar_gen4_sysc_pd {
- struct generic_pm_domain genpd;
- u8 pdr;
- unsigned int flags;
- char name[];
-};
-
-static inline struct rcar_gen4_sysc_pd *to_rcar_gen4_pd(struct generic_pm_domain *d)
-{
- return container_of(d, struct rcar_gen4_sysc_pd, genpd);
-}
-
-static int rcar_gen4_sysc_pd_power_off(struct generic_pm_domain *genpd)
-{
- struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
-
- pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_gen4_sysc_power(pd->pdr, false);
-}
-
-static int rcar_gen4_sysc_pd_power_on(struct generic_pm_domain *genpd)
-{
- struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
-
- pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_gen4_sysc_power(pd->pdr, true);
-}
-
-static int __init rcar_gen4_sysc_pd_setup(struct rcar_gen4_sysc_pd *pd)
-{
- struct generic_pm_domain *genpd = &pd->genpd;
- const char *name = pd->genpd.name;
- int error;
-
- if (pd->flags & PD_CPU) {
- /*
- * This domain contains a CPU core and therefore it should
- * only be turned off if the CPU is not in use.
- */
- pr_debug("PM domain %s contains %s\n", name, "CPU");
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- } else if (pd->flags & PD_SCU) {
- /*
- * This domain contains an SCU and cache-controller, and
- * therefore it should only be turned off if the CPU cores are
- * not in use.
- */
- pr_debug("PM domain %s contains %s\n", name, "SCU");
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- } else if (pd->flags & PD_NO_CR) {
- /*
- * This domain cannot be turned off.
- */
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- }
-
- if (!(pd->flags & (PD_CPU | PD_SCU))) {
- /* Enable Clock Domain for I/O devices */
- genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
- genpd->attach_dev = cpg_mssr_attach_dev;
- genpd->detach_dev = cpg_mssr_detach_dev;
- }
-
- genpd->power_off = rcar_gen4_sysc_pd_power_off;
- genpd->power_on = rcar_gen4_sysc_pd_power_on;
-
- if (pd->flags & (PD_CPU | PD_NO_CR)) {
- /* Skip CPUs (handled by SMP code) and areas without control */
- pr_debug("%s: Not touching %s\n", __func__, genpd->name);
- goto finalize;
- }
-
- if (!rcar_gen4_sysc_power_is_off(pd->pdr)) {
- pr_debug("%s: %s is already powered\n", __func__, genpd->name);
- goto finalize;
- }
-
- rcar_gen4_sysc_power(pd->pdr, true);
-
-finalize:
- error = pm_genpd_init(genpd, &simple_qos_governor, false);
- if (error)
- pr_err("Failed to init PM domain %s: %d\n", name, error);
-
- return error;
-}
-
-static const struct of_device_id rcar_gen4_sysc_matches[] __initconst = {
-#ifdef CONFIG_SYSC_R8A779A0
- { .compatible = "renesas,r8a779a0-sysc", .data = &r8a779a0_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A779F0
- { .compatible = "renesas,r8a779f0-sysc", .data = &r8a779f0_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A779G0
- { .compatible = "renesas,r8a779g0-sysc", .data = &r8a779g0_sysc_info },
-#endif
- { /* sentinel */ }
-};
-
-struct rcar_gen4_pm_domains {
- struct genpd_onecell_data onecell_data;
- struct generic_pm_domain *domains[RCAR_GEN4_PD_ALWAYS_ON + 1];
-};
-
-static struct genpd_onecell_data *rcar_gen4_sysc_onecell_data;
-
-static int __init rcar_gen4_sysc_pd_init(void)
-{
- const struct rcar_gen4_sysc_info *info;
- const struct of_device_id *match;
- struct rcar_gen4_pm_domains *domains;
- struct device_node *np;
- void __iomem *base;
- unsigned int i;
- int error;
-
- np = of_find_matching_node_and_match(NULL, rcar_gen4_sysc_matches, &match);
- if (!np)
- return -ENODEV;
-
- info = match->data;
-
- base = of_iomap(np, 0);
- if (!base) {
- pr_warn("%pOF: Cannot map regs\n", np);
- error = -ENOMEM;
- goto out_put;
- }
-
- rcar_gen4_sysc_base = base;
-
- domains = kzalloc(sizeof(*domains), GFP_KERNEL);
- if (!domains) {
- error = -ENOMEM;
- goto out_put;
- }
-
- domains->onecell_data.domains = domains->domains;
- domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
- rcar_gen4_sysc_onecell_data = &domains->onecell_data;
-
- for (i = 0; i < info->num_areas; i++) {
- const struct rcar_gen4_sysc_area *area = &info->areas[i];
- struct rcar_gen4_sysc_pd *pd;
- size_t n;
-
- if (!area->name) {
- /* Skip NULLified area */
- continue;
- }
-
- n = strlen(area->name) + 1;
- pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
- if (!pd) {
- error = -ENOMEM;
- goto out_put;
- }
-
- memcpy(pd->name, area->name, n);
- pd->genpd.name = pd->name;
- pd->pdr = area->pdr;
- pd->flags = area->flags;
-
- error = rcar_gen4_sysc_pd_setup(pd);
- if (error)
- goto out_put;
-
- domains->domains[area->pdr] = &pd->genpd;
-
- if (area->parent < 0)
- continue;
-
- error = pm_genpd_add_subdomain(domains->domains[area->parent],
- &pd->genpd);
- if (error) {
- pr_warn("Failed to add PM subdomain %s to parent %u\n",
- area->name, area->parent);
- goto out_put;
- }
- }
-
- error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
-
-out_put:
- of_node_put(np);
- return error;
-}
-early_initcall(rcar_gen4_sysc_pd_init);
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * R-Car Gen4 System Controller
- *
- * Copyright (C) 2021 Renesas Electronics Corp.
- */
-#ifndef __SOC_RENESAS_RCAR_GEN4_SYSC_H__
-#define __SOC_RENESAS_RCAR_GEN4_SYSC_H__
-
-#include <linux/types.h>
-
-/*
- * Power Domain flags
- */
-#define PD_CPU BIT(0) /* Area contains main CPU core */
-#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
-#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
-
-#define PD_CPU_NOCR (PD_CPU | PD_NO_CR) /* CPU area lacks CR */
-#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
-
-/*
- * Description of a Power Area
- */
-struct rcar_gen4_sysc_area {
- const char *name;
- u8 pdr; /* PDRn */
- s8 parent; /* -1 if none */
- u8 flags; /* See PD_* */
-};
-
-/*
- * SoC-specific Power Area Description
- */
-struct rcar_gen4_sysc_info {
- const struct rcar_gen4_sysc_area *areas;
- unsigned int num_areas;
-};
-
-extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info;
-extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info;
-extern const struct rcar_gen4_sysc_info r8a779g0_sysc_info;
-
-#endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * R-Car SYSC Power management support
- *
- * Copyright (C) 2014 Magnus Damm
- * Copyright (C) 2015-2017 Glider bvba
- */
-
-#include <linux/clk/renesas.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/mm.h>
-#include <linux/of_address.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/soc/renesas/rcar-sysc.h>
-
-#include "rcar-sysc.h"
-
-/* SYSC Common */
-#define SYSCSR 0x00 /* SYSC Status Register */
-#define SYSCISR 0x04 /* Interrupt Status Register */
-#define SYSCISCR 0x08 /* Interrupt Status Clear Register */
-#define SYSCIER 0x0c /* Interrupt Enable Register */
-#define SYSCIMR 0x10 /* Interrupt Mask Register */
-
-/* SYSC Status Register */
-#define SYSCSR_PONENB 1 /* Ready for power resume requests */
-#define SYSCSR_POFFENB 0 /* Ready for power shutoff requests */
-
-/*
- * Power Control Register Offsets inside the register block for each domain
- * Note: The "CR" registers for ARM cores exist on H1 only
- * Use WFI to power off, CPG/APMU to resume ARM cores on R-Car Gen2
- * Use PSCI on R-Car Gen3
- */
-#define PWRSR_OFFS 0x00 /* Power Status Register */
-#define PWROFFCR_OFFS 0x04 /* Power Shutoff Control Register */
-#define PWROFFSR_OFFS 0x08 /* Power Shutoff Status Register */
-#define PWRONCR_OFFS 0x0c /* Power Resume Control Register */
-#define PWRONSR_OFFS 0x10 /* Power Resume Status Register */
-#define PWRER_OFFS 0x14 /* Power Shutoff/Resume Error */
-
-
-#define SYSCSR_TIMEOUT 100
-#define SYSCSR_DELAY_US 1
-
-#define PWRER_RETRIES 100
-#define PWRER_DELAY_US 1
-
-#define SYSCISR_TIMEOUT 1000
-#define SYSCISR_DELAY_US 1
-
-#define RCAR_PD_ALWAYS_ON 32 /* Always-on power area */
-
-struct rcar_sysc_ch {
- u16 chan_offs;
- u8 chan_bit;
- u8 isr_bit;
-};
-
-static void __iomem *rcar_sysc_base;
-static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
-static u32 rcar_sysc_extmask_offs, rcar_sysc_extmask_val;
-
-static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
-{
- unsigned int sr_bit, reg_offs;
- u32 val;
- int ret;
-
- if (on) {
- sr_bit = SYSCSR_PONENB;
- reg_offs = PWRONCR_OFFS;
- } else {
- sr_bit = SYSCSR_POFFENB;
- reg_offs = PWROFFCR_OFFS;
- }
-
- /* Wait until SYSC is ready to accept a power request */
- ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCSR, val,
- val & BIT(sr_bit), SYSCSR_DELAY_US,
- SYSCSR_TIMEOUT);
- if (ret)
- return -EAGAIN;
-
- /* Submit power shutoff or power resume request */
- iowrite32(BIT(sysc_ch->chan_bit),
- rcar_sysc_base + sysc_ch->chan_offs + reg_offs);
-
- return 0;
-}
-
-static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
-{
- unsigned int isr_mask = BIT(sysc_ch->isr_bit);
- unsigned int chan_mask = BIT(sysc_ch->chan_bit);
- unsigned int status, k;
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&rcar_sysc_lock, flags);
-
- /*
- * Mask external power requests for CPU or 3DG domains
- */
- if (rcar_sysc_extmask_val) {
- iowrite32(rcar_sysc_extmask_val,
- rcar_sysc_base + rcar_sysc_extmask_offs);
- }
-
- /*
- * The interrupt source needs to be enabled, but masked, to prevent the
- * CPU from receiving it.
- */
- iowrite32(ioread32(rcar_sysc_base + SYSCIMR) | isr_mask,
- rcar_sysc_base + SYSCIMR);
- iowrite32(ioread32(rcar_sysc_base + SYSCIER) | isr_mask,
- rcar_sysc_base + SYSCIER);
-
- iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
-
- /* Submit power shutoff or resume request until it was accepted */
- for (k = 0; k < PWRER_RETRIES; k++) {
- ret = rcar_sysc_pwr_on_off(sysc_ch, on);
- if (ret)
- goto out;
-
- status = ioread32(rcar_sysc_base +
- sysc_ch->chan_offs + PWRER_OFFS);
- if (!(status & chan_mask))
- break;
-
- udelay(PWRER_DELAY_US);
- }
-
- if (k == PWRER_RETRIES) {
- ret = -EIO;
- goto out;
- }
-
- /* Wait until the power shutoff or resume request has completed * */
- ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCISR, status,
- status & isr_mask, SYSCISR_DELAY_US,
- SYSCISR_TIMEOUT);
- if (ret)
- ret = -EIO;
-
- iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
-
- out:
- if (rcar_sysc_extmask_val)
- iowrite32(0, rcar_sysc_base + rcar_sysc_extmask_offs);
-
- spin_unlock_irqrestore(&rcar_sysc_lock, flags);
-
- pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
- sysc_ch->isr_bit, ioread32(rcar_sysc_base + SYSCISR), ret);
- return ret;
-}
-
-static bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch)
-{
- unsigned int st;
-
- st = ioread32(rcar_sysc_base + sysc_ch->chan_offs + PWRSR_OFFS);
- if (st & BIT(sysc_ch->chan_bit))
- return true;
-
- return false;
-}
-
-struct rcar_sysc_pd {
- struct generic_pm_domain genpd;
- struct rcar_sysc_ch ch;
- unsigned int flags;
- char name[];
-};
-
-static inline struct rcar_sysc_pd *to_rcar_pd(struct generic_pm_domain *d)
-{
- return container_of(d, struct rcar_sysc_pd, genpd);
-}
-
-static int rcar_sysc_pd_power_off(struct generic_pm_domain *genpd)
-{
- struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
-
- pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_sysc_power(&pd->ch, false);
-}
-
-static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
-{
- struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
-
- pr_debug("%s: %s\n", __func__, genpd->name);
- return rcar_sysc_power(&pd->ch, true);
-}
-
-static bool has_cpg_mstp;
-
-static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
-{
- struct generic_pm_domain *genpd = &pd->genpd;
- const char *name = pd->genpd.name;
- int error;
-
- if (pd->flags & PD_CPU) {
- /*
- * This domain contains a CPU core and therefore it should
- * only be turned off if the CPU is not in use.
- */
- pr_debug("PM domain %s contains %s\n", name, "CPU");
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- } else if (pd->flags & PD_SCU) {
- /*
- * This domain contains an SCU and cache-controller, and
- * therefore it should only be turned off if the CPU cores are
- * not in use.
- */
- pr_debug("PM domain %s contains %s\n", name, "SCU");
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- } else if (pd->flags & PD_NO_CR) {
- /*
- * This domain cannot be turned off.
- */
- genpd->flags |= GENPD_FLAG_ALWAYS_ON;
- }
-
- if (!(pd->flags & (PD_CPU | PD_SCU))) {
- /* Enable Clock Domain for I/O devices */
- genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
- if (has_cpg_mstp) {
- genpd->attach_dev = cpg_mstp_attach_dev;
- genpd->detach_dev = cpg_mstp_detach_dev;
- } else {
- genpd->attach_dev = cpg_mssr_attach_dev;
- genpd->detach_dev = cpg_mssr_detach_dev;
- }
- }
-
- genpd->power_off = rcar_sysc_pd_power_off;
- genpd->power_on = rcar_sysc_pd_power_on;
-
- if (pd->flags & (PD_CPU | PD_NO_CR)) {
- /* Skip CPUs (handled by SMP code) and areas without control */
- pr_debug("%s: Not touching %s\n", __func__, genpd->name);
- goto finalize;
- }
-
- if (!rcar_sysc_power_is_off(&pd->ch)) {
- pr_debug("%s: %s is already powered\n", __func__, genpd->name);
- goto finalize;
- }
-
- rcar_sysc_power(&pd->ch, true);
-
-finalize:
- error = pm_genpd_init(genpd, &simple_qos_governor, false);
- if (error)
- pr_err("Failed to init PM domain %s: %d\n", name, error);
-
- return error;
-}
-
-static const struct of_device_id rcar_sysc_matches[] __initconst = {
-#ifdef CONFIG_SYSC_R8A7742
- { .compatible = "renesas,r8a7742-sysc", .data = &r8a7742_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7743
- { .compatible = "renesas,r8a7743-sysc", .data = &r8a7743_sysc_info },
- /* RZ/G1N is identical to RZ/G2M w.r.t. power domains. */
- { .compatible = "renesas,r8a7744-sysc", .data = &r8a7743_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7745
- { .compatible = "renesas,r8a7745-sysc", .data = &r8a7745_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77470
- { .compatible = "renesas,r8a77470-sysc", .data = &r8a77470_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A774A1
- { .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A774B1
- { .compatible = "renesas,r8a774b1-sysc", .data = &r8a774b1_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A774C0
- { .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A774E1
- { .compatible = "renesas,r8a774e1-sysc", .data = &r8a774e1_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7779
- { .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7790
- { .compatible = "renesas,r8a7790-sysc", .data = &r8a7790_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7791
- { .compatible = "renesas,r8a7791-sysc", .data = &r8a7791_sysc_info },
- /* R-Car M2-N is identical to R-Car M2-W w.r.t. power domains. */
- { .compatible = "renesas,r8a7793-sysc", .data = &r8a7791_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7792
- { .compatible = "renesas,r8a7792-sysc", .data = &r8a7792_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7794
- { .compatible = "renesas,r8a7794-sysc", .data = &r8a7794_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A7795
- { .compatible = "renesas,r8a7795-sysc", .data = &r8a7795_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77960
- { .compatible = "renesas,r8a7796-sysc", .data = &r8a77960_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77961
- { .compatible = "renesas,r8a77961-sysc", .data = &r8a77961_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77965
- { .compatible = "renesas,r8a77965-sysc", .data = &r8a77965_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77970
- { .compatible = "renesas,r8a77970-sysc", .data = &r8a77970_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77980
- { .compatible = "renesas,r8a77980-sysc", .data = &r8a77980_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77990
- { .compatible = "renesas,r8a77990-sysc", .data = &r8a77990_sysc_info },
-#endif
-#ifdef CONFIG_SYSC_R8A77995
- { .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
-#endif
- { /* sentinel */ }
-};
-
-struct rcar_pm_domains {
- struct genpd_onecell_data onecell_data;
- struct generic_pm_domain *domains[RCAR_PD_ALWAYS_ON + 1];
-};
-
-static struct genpd_onecell_data *rcar_sysc_onecell_data;
-
-static int __init rcar_sysc_pd_init(void)
-{
- const struct rcar_sysc_info *info;
- const struct of_device_id *match;
- struct rcar_pm_domains *domains;
- struct device_node *np;
- void __iomem *base;
- unsigned int i;
- int error;
-
- np = of_find_matching_node_and_match(NULL, rcar_sysc_matches, &match);
- if (!np)
- return -ENODEV;
-
- info = match->data;
-
- if (info->init) {
- error = info->init();
- if (error)
- goto out_put;
- }
-
- has_cpg_mstp = of_find_compatible_node(NULL, NULL,
- "renesas,cpg-mstp-clocks");
-
- base = of_iomap(np, 0);
- if (!base) {
- pr_warn("%pOF: Cannot map regs\n", np);
- error = -ENOMEM;
- goto out_put;
- }
-
- rcar_sysc_base = base;
-
- /* Optional External Request Mask Register */
- rcar_sysc_extmask_offs = info->extmask_offs;
- rcar_sysc_extmask_val = info->extmask_val;
-
- domains = kzalloc(sizeof(*domains), GFP_KERNEL);
- if (!domains) {
- error = -ENOMEM;
- goto out_put;
- }
-
- domains->onecell_data.domains = domains->domains;
- domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
- rcar_sysc_onecell_data = &domains->onecell_data;
-
- for (i = 0; i < info->num_areas; i++) {
- const struct rcar_sysc_area *area = &info->areas[i];
- struct rcar_sysc_pd *pd;
- size_t n;
-
- if (!area->name) {
- /* Skip NULLified area */
- continue;
- }
-
- n = strlen(area->name) + 1;
- pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
- if (!pd) {
- error = -ENOMEM;
- goto out_put;
- }
-
- memcpy(pd->name, area->name, n);
- pd->genpd.name = pd->name;
- pd->ch.chan_offs = area->chan_offs;
- pd->ch.chan_bit = area->chan_bit;
- pd->ch.isr_bit = area->isr_bit;
- pd->flags = area->flags;
-
- error = rcar_sysc_pd_setup(pd);
- if (error)
- goto out_put;
-
- domains->domains[area->isr_bit] = &pd->genpd;
-
- if (area->parent < 0)
- continue;
-
- error = pm_genpd_add_subdomain(domains->domains[area->parent],
- &pd->genpd);
- if (error) {
- pr_warn("Failed to add PM subdomain %s to parent %u\n",
- area->name, area->parent);
- goto out_put;
- }
- }
-
- error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
- if (!error)
- fwnode_dev_initialized(of_fwnode_handle(np), true);
-
-out_put:
- of_node_put(np);
- return error;
-}
-early_initcall(rcar_sysc_pd_init);
-
-void __init rcar_sysc_nullify(struct rcar_sysc_area *areas,
- unsigned int num_areas, u8 id)
-{
- unsigned int i;
-
- for (i = 0; i < num_areas; i++)
- if (areas[i].isr_bit == id) {
- areas[i].name = NULL;
- return;
- }
-}
-
-#ifdef CONFIG_ARCH_R8A7779
-static int rcar_sysc_power_cpu(unsigned int idx, bool on)
-{
- struct generic_pm_domain *genpd;
- struct rcar_sysc_pd *pd;
- unsigned int i;
-
- if (!rcar_sysc_onecell_data)
- return -ENODEV;
-
- for (i = 0; i < rcar_sysc_onecell_data->num_domains; i++) {
- genpd = rcar_sysc_onecell_data->domains[i];
- if (!genpd)
- continue;
-
- pd = to_rcar_pd(genpd);
- if (!(pd->flags & PD_CPU) || pd->ch.chan_bit != idx)
- continue;
-
- return rcar_sysc_power(&pd->ch, on);
- }
-
- return -ENOENT;
-}
-
-int rcar_sysc_power_down_cpu(unsigned int cpu)
-{
- return rcar_sysc_power_cpu(cpu, false);
-}
-
-int rcar_sysc_power_up_cpu(unsigned int cpu)
-{
- return rcar_sysc_power_cpu(cpu, true);
-}
-#endif /* CONFIG_ARCH_R8A7779 */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Renesas R-Car System Controller
- *
- * Copyright (C) 2016 Glider bvba
- */
-#ifndef __SOC_RENESAS_RCAR_SYSC_H__
-#define __SOC_RENESAS_RCAR_SYSC_H__
-
-#include <linux/types.h>
-
-
-/*
- * Power Domain flags
- */
-#define PD_CPU BIT(0) /* Area contains main CPU core */
-#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */
-#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */
-
-#define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */
-#define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */
-#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
-
-
-/*
- * Description of a Power Area
- */
-
-struct rcar_sysc_area {
- const char *name;
- u16 chan_offs; /* Offset of PWRSR register for this area */
- u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */
- u8 isr_bit; /* Bit in SYSCI*R */
- s8 parent; /* -1 if none */
- u8 flags; /* See PD_* */
-};
-
-
-/*
- * SoC-specific Power Area Description
- */
-
-struct rcar_sysc_info {
- int (*init)(void); /* Optional */
- const struct rcar_sysc_area *areas;
- unsigned int num_areas;
- /* Optional External Request Mask Register */
- u32 extmask_offs; /* SYSCEXTMASK register offset */
- u32 extmask_val; /* SYSCEXTMASK register mask value */
-};
-
-extern const struct rcar_sysc_info r8a7742_sysc_info;
-extern const struct rcar_sysc_info r8a7743_sysc_info;
-extern const struct rcar_sysc_info r8a7745_sysc_info;
-extern const struct rcar_sysc_info r8a77470_sysc_info;
-extern const struct rcar_sysc_info r8a774a1_sysc_info;
-extern const struct rcar_sysc_info r8a774b1_sysc_info;
-extern const struct rcar_sysc_info r8a774c0_sysc_info;
-extern const struct rcar_sysc_info r8a774e1_sysc_info;
-extern const struct rcar_sysc_info r8a7779_sysc_info;
-extern const struct rcar_sysc_info r8a7790_sysc_info;
-extern const struct rcar_sysc_info r8a7791_sysc_info;
-extern const struct rcar_sysc_info r8a7792_sysc_info;
-extern const struct rcar_sysc_info r8a7794_sysc_info;
-extern struct rcar_sysc_info r8a7795_sysc_info;
-extern const struct rcar_sysc_info r8a77960_sysc_info;
-extern const struct rcar_sysc_info r8a77961_sysc_info;
-extern const struct rcar_sysc_info r8a77965_sysc_info;
-extern const struct rcar_sysc_info r8a77970_sysc_info;
-extern const struct rcar_sysc_info r8a77980_sysc_info;
-extern const struct rcar_sysc_info r8a77990_sysc_info;
-extern const struct rcar_sysc_info r8a77995_sysc_info;
-
-
- /*
- * Helpers for fixing up power area tables depending on SoC revision
- */
-
-extern void rcar_sysc_nullify(struct rcar_sysc_area *areas,
- unsigned int num_areas, u8 id);
-
-#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * rmobile power management support
- *
- * Copyright (C) 2012 Renesas Solutions Corp.
- * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- * Copyright (C) 2014 Glider bvba
- *
- * based on pm-sh7372.c
- * Copyright (C) 2011 Magnus Damm
- */
-#include <linux/clk/renesas.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/pm.h>
-#include <linux/pm_clock.h>
-#include <linux/pm_domain.h>
-#include <linux/slab.h>
-
-/* SYSC */
-#define SPDCR 0x08 /* SYS Power Down Control Register */
-#define SWUCR 0x14 /* SYS Wakeup Control Register */
-#define PSTR 0x80 /* Power Status Register */
-
-#define PSTR_RETRIES 100
-#define PSTR_DELAY_US 10
-
-struct rmobile_pm_domain {
- struct generic_pm_domain genpd;
- struct dev_power_governor *gov;
- int (*suspend)(void);
- void __iomem *base;
- unsigned int bit_shift;
-};
-
-static inline
-struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
-{
- return container_of(d, struct rmobile_pm_domain, genpd);
-}
-
-static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
-{
- struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
- unsigned int mask = BIT(rmobile_pd->bit_shift);
- u32 val;
-
- if (rmobile_pd->suspend) {
- int ret = rmobile_pd->suspend();
-
- if (ret)
- return ret;
- }
-
- if (readl(rmobile_pd->base + PSTR) & mask) {
- writel(mask, rmobile_pd->base + SPDCR);
-
- readl_poll_timeout_atomic(rmobile_pd->base + SPDCR, val,
- !(val & mask), 0, PSTR_RETRIES);
- }
-
- pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", genpd->name, mask,
- readl(rmobile_pd->base + PSTR));
-
- return 0;
-}
-
-static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
-{
- unsigned int val, mask = BIT(rmobile_pd->bit_shift);
- int ret = 0;
-
- if (readl(rmobile_pd->base + PSTR) & mask)
- return ret;
-
- writel(mask, rmobile_pd->base + SWUCR);
-
- ret = readl_poll_timeout_atomic(rmobile_pd->base + SWUCR, val,
- (val & mask), PSTR_DELAY_US,
- PSTR_RETRIES * PSTR_DELAY_US);
-
- pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
- rmobile_pd->genpd.name, mask,
- readl(rmobile_pd->base + PSTR));
-
- return ret;
-}
-
-static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
-{
- return __rmobile_pd_power_up(to_rmobile_pd(genpd));
-}
-
-static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
-{
- struct generic_pm_domain *genpd = &rmobile_pd->genpd;
- struct dev_power_governor *gov = rmobile_pd->gov;
-
- genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
- genpd->attach_dev = cpg_mstp_attach_dev;
- genpd->detach_dev = cpg_mstp_detach_dev;
-
- if (!(genpd->flags & GENPD_FLAG_ALWAYS_ON)) {
- genpd->power_off = rmobile_pd_power_down;
- genpd->power_on = rmobile_pd_power_up;
- __rmobile_pd_power_up(rmobile_pd);
- }
-
- pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
-}
-
-static int rmobile_pd_suspend_console(void)
-{
- /*
- * Serial consoles make use of SCIF hardware located in this domain,
- * hence keep the power domain on if "no_console_suspend" is set.
- */
- return console_suspend_enabled ? 0 : -EBUSY;
-}
-
-enum pd_types {
- PD_NORMAL,
- PD_CPU,
- PD_CONSOLE,
- PD_DEBUG,
- PD_MEMCTL,
-};
-
-#define MAX_NUM_SPECIAL_PDS 16
-
-static struct special_pd {
- struct device_node *pd;
- enum pd_types type;
-} special_pds[MAX_NUM_SPECIAL_PDS] __initdata;
-
-static unsigned int num_special_pds __initdata;
-
-static const struct of_device_id special_ids[] __initconst = {
- { .compatible = "arm,coresight-etm3x", .data = (void *)PD_DEBUG },
- { .compatible = "renesas,dbsc-r8a73a4", .data = (void *)PD_MEMCTL, },
- { .compatible = "renesas,dbsc3-r8a7740", .data = (void *)PD_MEMCTL, },
- { .compatible = "renesas,sbsc-sh73a0", .data = (void *)PD_MEMCTL, },
- { /* sentinel */ },
-};
-
-static void __init add_special_pd(struct device_node *np, enum pd_types type)
-{
- unsigned int i;
- struct device_node *pd;
-
- pd = of_parse_phandle(np, "power-domains", 0);
- if (!pd)
- return;
-
- for (i = 0; i < num_special_pds; i++)
- if (pd == special_pds[i].pd && type == special_pds[i].type) {
- of_node_put(pd);
- return;
- }
-
- if (num_special_pds == ARRAY_SIZE(special_pds)) {
- pr_warn("Too many special PM domains\n");
- of_node_put(pd);
- return;
- }
-
- pr_debug("Special PM domain %pOFn type %d for %pOF\n", pd, type, np);
-
- special_pds[num_special_pds].pd = pd;
- special_pds[num_special_pds].type = type;
- num_special_pds++;
-}
-
-static void __init get_special_pds(void)
-{
- struct device_node *np;
- const struct of_device_id *id;
-
- /* PM domains containing CPUs */
- for_each_of_cpu_node(np)
- add_special_pd(np, PD_CPU);
-
- /* PM domain containing console */
- if (of_stdout)
- add_special_pd(of_stdout, PD_CONSOLE);
-
- /* PM domains containing other special devices */
- for_each_matching_node_and_match(np, special_ids, &id)
- add_special_pd(np, (enum pd_types)id->data);
-}
-
-static void __init put_special_pds(void)
-{
- unsigned int i;
-
- for (i = 0; i < num_special_pds; i++)
- of_node_put(special_pds[i].pd);
-}
-
-static enum pd_types __init pd_type(const struct device_node *pd)
-{
- unsigned int i;
-
- for (i = 0; i < num_special_pds; i++)
- if (pd == special_pds[i].pd)
- return special_pds[i].type;
-
- return PD_NORMAL;
-}
-
-static void __init rmobile_setup_pm_domain(struct device_node *np,
- struct rmobile_pm_domain *pd)
-{
- const char *name = pd->genpd.name;
-
- switch (pd_type(np)) {
- case PD_CPU:
- /*
- * This domain contains the CPU core and therefore it should
- * only be turned off if the CPU is not in use.
- */
- pr_debug("PM domain %s contains CPU\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_CONSOLE:
- pr_debug("PM domain %s contains serial console\n", name);
- pd->gov = &pm_domain_always_on_gov;
- pd->suspend = rmobile_pd_suspend_console;
- break;
-
- case PD_DEBUG:
- /*
- * This domain contains the Coresight-ETM hardware block and
- * therefore it should only be turned off if the debug module
- * is not in use.
- */
- pr_debug("PM domain %s contains Coresight-ETM\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_MEMCTL:
- /*
- * This domain contains a memory-controller and therefore it
- * should only be turned off if memory is not in use.
- */
- pr_debug("PM domain %s contains MEMCTL\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- break;
-
- case PD_NORMAL:
- if (pd->bit_shift == ~0) {
- /* Top-level always-on domain */
- pr_debug("PM domain %s is always-on domain\n", name);
- pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
- }
- break;
- }
-
- rmobile_init_pm_domain(pd);
-}
-
-static int __init rmobile_add_pm_domains(void __iomem *base,
- struct device_node *parent,
- struct generic_pm_domain *genpd_parent)
-{
- struct device_node *np;
-
- for_each_child_of_node(parent, np) {
- struct rmobile_pm_domain *pd;
- u32 idx = ~0;
-
- if (of_property_read_u32(np, "reg", &idx)) {
- /* always-on domain */
- }
-
- pd = kzalloc(sizeof(*pd), GFP_KERNEL);
- if (!pd) {
- of_node_put(np);
- return -ENOMEM;
- }
-
- pd->genpd.name = np->name;
- pd->base = base;
- pd->bit_shift = idx;
-
- rmobile_setup_pm_domain(np, pd);
- if (genpd_parent)
- pm_genpd_add_subdomain(genpd_parent, &pd->genpd);
- of_genpd_add_provider_simple(np, &pd->genpd);
-
- rmobile_add_pm_domains(base, np, &pd->genpd);
- }
- return 0;
-}
-
-static int __init rmobile_init_pm_domains(void)
-{
- struct device_node *np, *pmd;
- bool scanned = false;
- void __iomem *base;
- int ret = 0;
-
- for_each_compatible_node(np, NULL, "renesas,sysc-rmobile") {
- base = of_iomap(np, 0);
- if (!base) {
- pr_warn("%pOF cannot map reg 0\n", np);
- continue;
- }
-
- pmd = of_get_child_by_name(np, "pm-domains");
- if (!pmd) {
- iounmap(base);
- pr_warn("%pOF lacks pm-domains node\n", np);
- continue;
- }
-
- if (!scanned) {
- /* Find PM domains containing special blocks */
- get_special_pds();
- scanned = true;
- }
-
- ret = rmobile_add_pm_domains(base, pmd, NULL);
- of_node_put(pmd);
- if (ret) {
- of_node_put(np);
- break;
- }
-
- fwnode_dev_initialized(of_fwnode_handle(np), true);
- }
-
- put_special_pds();
-
- return ret;
-}
-
-core_initcall(rmobile_init_pm_domains);
projects / linux.git / commitdiff