source "drivers/clk/samsung/Kconfig"
source "drivers/clk/sifive/Kconfig"
source "drivers/clk/socfpga/Kconfig"
+source "drivers/clk/sophgo/Kconfig"
source "drivers/clk/sprd/Kconfig"
source "drivers/clk/starfive/Kconfig"
source "drivers/clk/sunxi/Kconfig"
obj-$(CONFIG_COMMON_CLK_SAMSUNG) += samsung/
obj-$(CONFIG_CLK_SIFIVE) += sifive/
obj-y += socfpga/
+obj-y += sophgo/
obj-$(CONFIG_PLAT_SPEAR) += spear/
obj-y += sprd/
obj-$(CONFIG_ARCH_STI) += st/
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+# common clock support for SOPHGO SoC family.
+
+config CLK_SOPHGO_CV1800
+ tristate "Support for the Sophgo CV1800 series SoCs clock controller"
+ depends on ARCH_SOPHGO || COMPILE_TEST
+ help
+ This driver supports clock controller of Sophgo CV18XX series SoC.
+ The driver require a 25MHz Oscillator to function generate clock.
+ It includes PLLs, common clock function and some vendor clock for
+ IPs of CV18XX series SoC
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CLK_SOPHGO_CV1800) += clk-sophgo-cv1800.o
+
+clk-sophgo-cv1800-y += clk-cv1800.o
+clk-sophgo-cv1800-y += clk-cv18xx-common.o
+clk-sophgo-cv1800-y += clk-cv18xx-ip.o
+clk-sophgo-cv1800-y += clk-cv18xx-pll.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#include <linux/module.h>
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+
+#include "clk-cv1800.h"
+
+#include "clk-cv18xx-common.h"
+#include "clk-cv18xx-ip.h"
+#include "clk-cv18xx-pll.h"
+
+struct cv1800_clk_ctrl;
+
+struct cv1800_clk_desc {
+ struct clk_hw_onecell_data *clks_data;
+
+ int (*pre_init)(struct device *dev, void __iomem *base,
+ struct cv1800_clk_ctrl *ctrl,
+ const struct cv1800_clk_desc *desc);
+};
+
+struct cv1800_clk_ctrl {
+ const struct cv1800_clk_desc *desc;
+ spinlock_t lock;
+};
+
+#define CV1800_DIV_FLAG \
+ (CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ROUND_CLOSEST)
+static const struct clk_parent_data osc_parents[] = {
+ { .index = 0 },
+};
+
+static const struct cv1800_clk_pll_limit pll_limits[] = {
+ {
+ .pre_div = _CV1800_PLL_LIMIT(1, 127),
+ .div = _CV1800_PLL_LIMIT(6, 127),
+ .post_div = _CV1800_PLL_LIMIT(1, 127),
+ .ictrl = _CV1800_PLL_LIMIT(0, 7),
+ .mode = _CV1800_PLL_LIMIT(0, 3),
+ },
+ {
+ .pre_div = _CV1800_PLL_LIMIT(1, 127),
+ .div = _CV1800_PLL_LIMIT(6, 127),
+ .post_div = _CV1800_PLL_LIMIT(1, 127),
+ .ictrl = _CV1800_PLL_LIMIT(0, 7),
+ .mode = _CV1800_PLL_LIMIT(0, 3),
+ },
+};
+
+static CV1800_INTEGRAL_PLL(clk_fpll, osc_parents,
+ REG_FPLL_CSR,
+ REG_PLL_G6_CTRL, 8,
+ REG_PLL_G6_STATUS, 2,
+ pll_limits,
+ CLK_IS_CRITICAL);
+
+static CV1800_INTEGRAL_PLL(clk_mipimpll, osc_parents,
+ REG_MIPIMPLL_CSR,
+ REG_PLL_G2_CTRL, 0,
+ REG_PLL_G2_STATUS, 0,
+ pll_limits,
+ CLK_IS_CRITICAL);
+
+static const struct clk_parent_data clk_mipimpll_parents[] = {
+ { .hw = &clk_mipimpll.common.hw },
+};
+static const struct clk_parent_data clk_bypass_mipimpll_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_mipimpll.common.hw },
+};
+static const struct clk_parent_data clk_bypass_fpll_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_fpll.common.hw },
+};
+
+struct cv1800_clk_pll_synthesizer clk_mpll_synthesizer = {
+ .en = CV1800_CLK_BIT(REG_PLL_G6_SSC_SYN_CTRL, 2),
+ .clk_half = CV1800_CLK_BIT(REG_PLL_G6_SSC_SYN_CTRL, 0),
+ .ctrl = REG_MPLL_SSC_SYN_CTRL,
+ .set = REG_MPLL_SSC_SYN_SET,
+};
+static CV1800_FACTIONAL_PLL(clk_mpll, clk_bypass_mipimpll_parents,
+ REG_MPLL_CSR,
+ REG_PLL_G6_CTRL, 0,
+ REG_PLL_G6_STATUS, 0,
+ pll_limits,
+ &clk_mpll_synthesizer,
+ CLK_IS_CRITICAL);
+
+struct cv1800_clk_pll_synthesizer clk_tpll_synthesizer = {
+ .en = CV1800_CLK_BIT(REG_PLL_G6_SSC_SYN_CTRL, 3),
+ .clk_half = CV1800_CLK_BIT(REG_PLL_G6_SSC_SYN_CTRL, 0),
+ .ctrl = REG_TPLL_SSC_SYN_CTRL,
+ .set = REG_TPLL_SSC_SYN_SET,
+};
+static CV1800_FACTIONAL_PLL(clk_tpll, clk_bypass_mipimpll_parents,
+ REG_TPLL_CSR,
+ REG_PLL_G6_CTRL, 4,
+ REG_PLL_G6_STATUS, 1,
+ pll_limits,
+ &clk_tpll_synthesizer,
+ CLK_IS_CRITICAL);
+
+struct cv1800_clk_pll_synthesizer clk_a0pll_synthesizer = {
+ .en = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 2),
+ .clk_half = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 0),
+ .ctrl = REG_A0PLL_SSC_SYN_CTRL,
+ .set = REG_A0PLL_SSC_SYN_SET,
+};
+static CV1800_FACTIONAL_PLL(clk_a0pll, clk_bypass_mipimpll_parents,
+ REG_A0PLL_CSR,
+ REG_PLL_G2_CTRL, 4,
+ REG_PLL_G2_STATUS, 1,
+ pll_limits,
+ &clk_a0pll_synthesizer,
+ CLK_IS_CRITICAL);
+
+struct cv1800_clk_pll_synthesizer clk_disppll_synthesizer = {
+ .en = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 3),
+ .clk_half = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 0),
+ .ctrl = REG_DISPPLL_SSC_SYN_CTRL,
+ .set = REG_DISPPLL_SSC_SYN_SET,
+};
+static CV1800_FACTIONAL_PLL(clk_disppll, clk_bypass_mipimpll_parents,
+ REG_DISPPLL_CSR,
+ REG_PLL_G2_CTRL, 8,
+ REG_PLL_G2_STATUS, 2,
+ pll_limits,
+ &clk_disppll_synthesizer,
+ CLK_IS_CRITICAL);
+
+struct cv1800_clk_pll_synthesizer clk_cam0pll_synthesizer = {
+ .en = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 4),
+ .clk_half = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 0),
+ .ctrl = REG_CAM0PLL_SSC_SYN_CTRL,
+ .set = REG_CAM0PLL_SSC_SYN_SET,
+};
+static CV1800_FACTIONAL_PLL(clk_cam0pll, clk_bypass_mipimpll_parents,
+ REG_CAM0PLL_CSR,
+ REG_PLL_G2_CTRL, 12,
+ REG_PLL_G2_STATUS, 3,
+ pll_limits,
+ &clk_cam0pll_synthesizer,
+ CLK_IGNORE_UNUSED);
+
+struct cv1800_clk_pll_synthesizer clk_cam1pll_synthesizer = {
+ .en = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 5),
+ .clk_half = CV1800_CLK_BIT(REG_PLL_G2_SSC_SYN_CTRL, 0),
+ .ctrl = REG_CAM1PLL_SSC_SYN_CTRL,
+ .set = REG_CAM1PLL_SSC_SYN_SET,
+};
+static CV1800_FACTIONAL_PLL(clk_cam1pll, clk_bypass_mipimpll_parents,
+ REG_CAM1PLL_CSR,
+ REG_PLL_G2_CTRL, 16,
+ REG_PLL_G2_STATUS, 4,
+ pll_limits,
+ &clk_cam1pll_synthesizer,
+ CLK_IS_CRITICAL);
+
+static const struct clk_parent_data clk_cam0pll_parents[] = {
+ { .hw = &clk_cam0pll.common.hw },
+};
+
+/* G2D */
+static CV1800_FIXED_DIV(clk_cam0pll_d2, clk_cam0pll_parents,
+ REG_CAM0PLL_CLK_CSR, 1,
+ 2,
+ CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
+static CV1800_FIXED_DIV(clk_cam0pll_d3, clk_cam0pll_parents,
+ REG_CAM0PLL_CLK_CSR, 2,
+ 3,
+ CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
+static CV1800_FIXED_DIV(clk_mipimpll_d3, clk_mipimpll_parents,
+ REG_MIPIMPLL_CLK_CSR, 2,
+ 3,
+ CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED);
+
+/* TPU */
+static const struct clk_parent_data clk_tpu_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_tpll.common.hw },
+ { .hw = &clk_a0pll.common.hw },
+ { .hw = &clk_mipimpll.common.hw },
+ { .hw = &clk_fpll.common.hw },
+};
+
+static CV1800_BYPASS_MUX(clk_tpu, clk_tpu_parents,
+ REG_CLK_EN_0, 4,
+ REG_DIV_CLK_TPU, 16, 4, 3, CV1800_DIV_FLAG,
+ REG_DIV_CLK_TPU, 8, 2,
+ REG_CLK_BYP_0, 3,
+ 0);
+static CV1800_GATE(clk_tpu_fab, clk_mipimpll_parents,
+ REG_CLK_EN_0, 5,
+ 0);
+
+/* FABRIC_AXI6 */
+static CV1800_BYPASS_DIV(clk_axi6, clk_bypass_fpll_parents,
+ REG_CLK_EN_2, 2,
+ REG_DIV_CLK_AXI6, 16, 4, 15, CV1800_DIV_FLAG,
+ REG_CLK_BYP_0, 20,
+ CLK_IS_CRITICAL);
+
+static const struct clk_parent_data clk_axi6_bus_parents[] = {
+ { .hw = &clk_axi6.div.common.hw },
+};
+static const struct clk_parent_data clk_bypass_axi6_bus_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_axi6.div.common.hw },
+};
+
+/* FABRIC_AXI4 */
+static const struct clk_parent_data clk_axi4_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_fpll.common.hw },
+ { .hw = &clk_disppll.common.hw },
+};
+
+static CV1800_BYPASS_MUX(clk_axi4, clk_axi4_parents,
+ REG_CLK_EN_2, 1,
+ REG_DIV_CLK_AXI4, 16, 4, 5, CV1800_DIV_FLAG,
+ REG_DIV_CLK_AXI4, 8, 2,
+ REG_CLK_BYP_0, 19,
+ CLK_IS_CRITICAL);
+
+static const struct clk_parent_data clk_axi4_bus_parents[] = {
+ { .hw = &clk_axi4.mux.common.hw },
+};
+
+/* XTAL_MISC */
+static CV1800_GATE(clk_xtal_misc, osc_parents,
+ REG_CLK_EN_0, 14,
+ CLK_IS_CRITICAL);
+
+static const struct clk_parent_data clk_timer_parents[] = {
+ { .hw = &clk_xtal_misc.common.hw },
+};
+
+/* TOP */
+static const struct clk_parent_data clk_cam0_200_parents[] = {
+ { .index = 0 },
+ { .index = 0 },
+ { .hw = &clk_disppll.common.hw },
+};
+
+static CV1800_BYPASS_MUX(clk_cam0_200, clk_cam0_200_parents,
+ REG_CLK_EN_1, 13,
+ REG_DIV_CLK_CAM0_200, 16, 4, 1, CV1800_DIV_FLAG,
+ REG_DIV_CLK_CAM0_200, 8, 2,
+ REG_CLK_BYP_0, 16,
+ CLK_IS_CRITICAL);
+static CV1800_DIV(clk_1m, osc_parents,
+ REG_CLK_EN_3, 5,
+ REG_DIV_CLK_1M, 16, 6, 25, CV1800_DIV_FLAG,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_pm, clk_axi6_bus_parents,
+ REG_CLK_EN_3, 8,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_timer0, clk_timer_parents,
+ REG_CLK_EN_3, 9,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_timer1, clk_timer_parents,
+ REG_CLK_EN_3, 10,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_timer2, clk_timer_parents,
+ REG_CLK_EN_3, 11,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_timer3, clk_timer_parents,
+ REG_CLK_EN_3, 12,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_timer4, clk_timer_parents,
+ REG_CLK_EN_3, 13,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_timer5, clk_timer_parents,
+ REG_CLK_EN_3, 14,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_timer6, clk_timer_parents,
+ REG_CLK_EN_3, 15,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_timer7, clk_timer_parents,
+ REG_CLK_EN_3, 16,
+ CLK_IS_CRITICAL);
+
+static const struct clk_parent_data clk_parents_1m[] = {
+ { .hw = &clk_1m.common.hw },
+};
+static const struct clk_parent_data clk_uart_parents[] = {
+ { .hw = &clk_cam0_200.mux.common.hw },
+};
+
+/* AHB ROM */
+static CV1800_GATE(clk_ahb_rom, clk_axi4_bus_parents,
+ REG_CLK_EN_0, 6,
+ 0);
+
+/* RTC */
+static CV1800_GATE(clk_rtc_25m, osc_parents,
+ REG_CLK_EN_0, 8,
+ CLK_IS_CRITICAL);
+static CV1800_BYPASS_DIV(clk_src_rtc_sys_0, clk_bypass_fpll_parents,
+ REG_CLK_EN_4, 6,
+ REG_DIV_CLK_RTCSYS_SRC_0, 16, 4, 5, CV1800_DIV_FLAG,
+ REG_CLK_BYP_1, 5,
+ CLK_IS_CRITICAL);
+
+/* TEMPSEN */
+static CV1800_GATE(clk_tempsen, osc_parents,
+ REG_CLK_EN_0, 9,
+ 0);
+
+/* SARADC */
+static CV1800_GATE(clk_saradc, osc_parents,
+ REG_CLK_EN_0, 10,
+ 0);
+
+/* EFUSE */
+static CV1800_GATE(clk_efuse, osc_parents,
+ REG_CLK_EN_0, 11,
+ 0);
+static CV1800_GATE(clk_apb_efuse, osc_parents,
+ REG_CLK_EN_0, 12,
+ 0);
+
+/* WDT */
+static CV1800_GATE(clk_apb_wdt, osc_parents,
+ REG_CLK_EN_1, 7,
+ CLK_IS_CRITICAL);
+
+/* WGN */
+static CV1800_GATE(clk_wgn, osc_parents,
+ REG_CLK_EN_3, 22,
+ 0);
+static CV1800_GATE(clk_wgn0, osc_parents,
+ REG_CLK_EN_3, 23,
+ 0);
+static CV1800_GATE(clk_wgn1, osc_parents,
+ REG_CLK_EN_3, 24,
+ 0);
+static CV1800_GATE(clk_wgn2, osc_parents,
+ REG_CLK_EN_3, 25,
+ 0);
+
+/* KEYSCAN */
+static CV1800_GATE(clk_keyscan, osc_parents,
+ REG_CLK_EN_3, 26,
+ 0);
+
+/* EMMC */
+static CV1800_GATE(clk_axi4_emmc, clk_axi4_bus_parents,
+ REG_CLK_EN_0, 15,
+ 0);
+static CV1800_BYPASS_MUX(clk_emmc, clk_axi4_parents,
+ REG_CLK_EN_0, 16,
+ REG_DIV_CLK_EMMC, 16, 5, 15, CV1800_DIV_FLAG,
+ REG_DIV_CLK_EMMC, 8, 2,
+ REG_CLK_BYP_0, 5,
+ 0);
+static CV1800_DIV(clk_emmc_100k, clk_parents_1m,
+ REG_CLK_EN_0, 17,
+ REG_DIV_CLK_EMMC_100K, 16, 8, 10, CV1800_DIV_FLAG,
+ 0);
+
+/* SD */
+static CV1800_GATE(clk_axi4_sd0, clk_axi4_bus_parents,
+ REG_CLK_EN_0, 18,
+ 0);
+static CV1800_BYPASS_MUX(clk_sd0, clk_axi4_parents,
+ REG_CLK_EN_0, 19,
+ REG_DIV_CLK_SD0, 16, 5, 15, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SD0, 8, 2,
+ REG_CLK_BYP_0, 6,
+ 0);
+static CV1800_DIV(clk_sd0_100k, clk_parents_1m,
+ REG_CLK_EN_0, 20,
+ REG_DIV_CLK_SD0_100K, 16, 8, 10, CV1800_DIV_FLAG,
+ 0);
+static CV1800_GATE(clk_axi4_sd1, clk_axi4_bus_parents,
+ REG_CLK_EN_0, 21,
+ 0);
+static CV1800_BYPASS_MUX(clk_sd1, clk_axi4_parents,
+ REG_CLK_EN_0, 22,
+ REG_DIV_CLK_SD1, 16, 5, 15, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SD1, 8, 2,
+ REG_CLK_BYP_0, 7,
+ 0);
+static CV1800_DIV(clk_sd1_100k, clk_parents_1m,
+ REG_CLK_EN_0, 23,
+ REG_DIV_CLK_SD1_100K, 16, 8, 10, CV1800_DIV_FLAG,
+ 0);
+
+/* SPI NAND */
+static CV1800_BYPASS_MUX(clk_spi_nand, clk_axi4_parents,
+ REG_CLK_EN_0, 24,
+ REG_DIV_CLK_SPI_NAND, 16, 5, 8, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SPI_NAND, 8, 2,
+ REG_CLK_BYP_0, 8,
+ 0);
+
+/* GPIO */
+static CV1800_DIV(clk_gpio_db, clk_parents_1m,
+ REG_CLK_EN_0, 31,
+ REG_DIV_CLK_GPIO_DB, 16, 16, 10, CV1800_DIV_FLAG,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_apb_gpio, clk_axi6_bus_parents,
+ REG_CLK_EN_0, 29,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_apb_gpio_intr, clk_axi6_bus_parents,
+ REG_CLK_EN_0, 30,
+ CLK_IS_CRITICAL);
+
+/* ETH */
+static CV1800_BYPASS_DIV(clk_eth0_500m, clk_bypass_fpll_parents,
+ REG_CLK_EN_0, 25,
+ REG_DIV_CLK_GPIO_DB, 16, 4, 3, CV1800_DIV_FLAG,
+ REG_CLK_BYP_0, 9,
+ 0);
+static CV1800_GATE(clk_axi4_eth0, clk_axi4_bus_parents,
+ REG_CLK_EN_0, 26,
+ 0);
+static CV1800_BYPASS_DIV(clk_eth1_500m, clk_bypass_fpll_parents,
+ REG_CLK_EN_0, 27,
+ REG_DIV_CLK_GPIO_DB, 16, 4, 3, CV1800_DIV_FLAG,
+ REG_CLK_BYP_0, 10,
+ 0);
+static CV1800_GATE(clk_axi4_eth1, clk_axi4_bus_parents,
+ REG_CLK_EN_0, 28,
+ 0);
+
+/* SF */
+static CV1800_GATE(clk_ahb_sf, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 0,
+ 0);
+static CV1800_GATE(clk_ahb_sf1, clk_axi4_bus_parents,
+ REG_CLK_EN_3, 27,
+ 0);
+
+/* AUDSRC */
+static CV1800_ACLK(clk_a24m, clk_mipimpll_parents,
+ REG_APLL_FRAC_DIV_CTRL, 0,
+ REG_APLL_FRAC_DIV_CTRL, 3,
+ REG_APLL_FRAC_DIV_CTRL, 1,
+ REG_APLL_FRAC_DIV_CTRL, 2,
+ REG_APLL_FRAC_DIV_M, 0, 22, CV1800_DIV_FLAG,
+ REG_APLL_FRAC_DIV_N, 0, 22, CV1800_DIV_FLAG,
+ 24576000,
+ 0);
+
+static const struct clk_parent_data clk_aud_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_a0pll.common.hw },
+ { .hw = &clk_a24m.common.hw },
+};
+
+static CV1800_BYPASS_MUX(clk_audsrc, clk_aud_parents,
+ REG_CLK_EN_4, 1,
+ REG_DIV_CLK_AUDSRC, 16, 8, 18, CV1800_DIV_FLAG,
+ REG_DIV_CLK_AUDSRC, 8, 2,
+ REG_CLK_BYP_1, 2,
+ 0);
+static CV1800_GATE(clk_apb_audsrc, clk_axi4_bus_parents,
+ REG_CLK_EN_4, 2,
+ 0);
+
+/* SDMA */
+static CV1800_GATE(clk_sdma_axi, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 1,
+ 0);
+static CV1800_BYPASS_MUX(clk_sdma_aud0, clk_aud_parents,
+ REG_CLK_EN_1, 2,
+ REG_DIV_CLK_SDMA_AUD0, 16, 8, 18, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SDMA_AUD0, 8, 2,
+ REG_CLK_BYP_0, 11,
+ 0);
+static CV1800_BYPASS_MUX(clk_sdma_aud1, clk_aud_parents,
+ REG_CLK_EN_1, 3,
+ REG_DIV_CLK_SDMA_AUD1, 16, 8, 18, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SDMA_AUD1, 8, 2,
+ REG_CLK_BYP_0, 12,
+ 0);
+static CV1800_BYPASS_MUX(clk_sdma_aud2, clk_aud_parents,
+ REG_CLK_EN_1, 3,
+ REG_DIV_CLK_SDMA_AUD2, 16, 8, 18, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SDMA_AUD2, 8, 2,
+ REG_CLK_BYP_0, 13,
+ 0);
+static CV1800_BYPASS_MUX(clk_sdma_aud3, clk_aud_parents,
+ REG_CLK_EN_1, 3,
+ REG_DIV_CLK_SDMA_AUD3, 16, 8, 18, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SDMA_AUD3, 8, 2,
+ REG_CLK_BYP_0, 14,
+ 0);
+
+/* SPI */
+static CV1800_GATE(clk_apb_spi0, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 9,
+ 0);
+static CV1800_GATE(clk_apb_spi1, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 10,
+ 0);
+static CV1800_GATE(clk_apb_spi2, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 11,
+ 0);
+static CV1800_GATE(clk_apb_spi3, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 12,
+ 0);
+static CV1800_BYPASS_DIV(clk_spi, clk_bypass_fpll_parents,
+ REG_CLK_EN_3, 6,
+ REG_DIV_CLK_SPI, 16, 6, 8, CV1800_DIV_FLAG,
+ REG_CLK_BYP_0, 30,
+ 0);
+
+/* UART */
+static CV1800_GATE(clk_uart0, clk_uart_parents,
+ REG_CLK_EN_1, 14,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_apb_uart0, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 15,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_uart1, clk_uart_parents,
+ REG_CLK_EN_1, 16,
+ 0);
+static CV1800_GATE(clk_apb_uart1, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 17,
+ 0);
+static CV1800_GATE(clk_uart2, clk_uart_parents,
+ REG_CLK_EN_1, 18,
+ 0);
+static CV1800_GATE(clk_apb_uart2, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 19,
+ 0);
+static CV1800_GATE(clk_uart3, clk_uart_parents,
+ REG_CLK_EN_1, 20,
+ 0);
+static CV1800_GATE(clk_apb_uart3, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 21,
+ 0);
+static CV1800_GATE(clk_uart4, clk_uart_parents,
+ REG_CLK_EN_1, 22,
+ 0);
+static CV1800_GATE(clk_apb_uart4, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 23,
+ 0);
+
+/* I2S */
+static CV1800_GATE(clk_apb_i2s0, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 24,
+ 0);
+static CV1800_GATE(clk_apb_i2s1, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 25,
+ 0);
+static CV1800_GATE(clk_apb_i2s2, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 26,
+ 0);
+static CV1800_GATE(clk_apb_i2s3, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 27,
+ 0);
+
+/* DEBUG */
+static CV1800_GATE(clk_debug, osc_parents,
+ REG_CLK_EN_0, 13,
+ CLK_IS_CRITICAL);
+static CV1800_BYPASS_DIV(clk_ap_debug, clk_bypass_fpll_parents,
+ REG_CLK_EN_4, 5,
+ REG_DIV_CLK_AP_DEBUG, 16, 4, 5, CV1800_DIV_FLAG,
+ REG_CLK_BYP_1, 4,
+ CLK_IS_CRITICAL);
+
+/* DDR */
+static CV1800_GATE(clk_ddr_axi_reg, clk_axi6_bus_parents,
+ REG_CLK_EN_0, 7,
+ CLK_IS_CRITICAL);
+
+/* I2C */
+static CV1800_GATE(clk_apb_i2c, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 6,
+ 0);
+static CV1800_BYPASS_DIV(clk_i2c, clk_bypass_axi6_bus_parents,
+ REG_CLK_EN_3, 7,
+ REG_DIV_CLK_I2C, 16, 4, 1, CV1800_DIV_FLAG,
+ REG_CLK_BYP_0, 31,
+ 0);
+static CV1800_GATE(clk_apb_i2c0, clk_axi4_bus_parents,
+ REG_CLK_EN_3, 17,
+ 0);
+static CV1800_GATE(clk_apb_i2c1, clk_axi4_bus_parents,
+ REG_CLK_EN_3, 18,
+ 0);
+static CV1800_GATE(clk_apb_i2c2, clk_axi4_bus_parents,
+ REG_CLK_EN_3, 19,
+ 0);
+static CV1800_GATE(clk_apb_i2c3, clk_axi4_bus_parents,
+ REG_CLK_EN_3, 20,
+ 0);
+static CV1800_GATE(clk_apb_i2c4, clk_axi4_bus_parents,
+ REG_CLK_EN_3, 21,
+ 0);
+
+/* USB */
+static CV1800_GATE(clk_axi4_usb, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 28,
+ 0);
+static CV1800_GATE(clk_apb_usb, clk_axi4_bus_parents,
+ REG_CLK_EN_1, 29,
+ 0);
+static CV1800_BYPASS_FIXED_DIV(clk_usb_125m, clk_bypass_fpll_parents,
+ REG_CLK_EN_1, 30,
+ 12,
+ REG_CLK_BYP_0, 17,
+ CLK_SET_RATE_PARENT);
+static CV1800_FIXED_DIV(clk_usb_33k, clk_parents_1m,
+ REG_CLK_EN_1, 31,
+ 3,
+ 0);
+static CV1800_BYPASS_FIXED_DIV(clk_usb_12m, clk_bypass_fpll_parents,
+ REG_CLK_EN_2, 0,
+ 125,
+ REG_CLK_BYP_0, 18,
+ CLK_SET_RATE_PARENT);
+
+/* VIP SYS */
+static const struct clk_parent_data clk_vip_sys_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_mipimpll.common.hw },
+ { .hw = &clk_cam0pll.common.hw },
+ { .hw = &clk_disppll.common.hw },
+ { .hw = &clk_fpll.common.hw },
+};
+
+static CV1800_BYPASS_DIV(clk_dsi_esc, clk_bypass_axi6_bus_parents,
+ REG_CLK_EN_2, 3,
+ REG_DIV_CLK_DSI_ESC, 16, 4, 5, CV1800_DIV_FLAG,
+ REG_CLK_BYP_0, 21,
+ 0);
+static CV1800_BYPASS_MUX(clk_axi_vip, clk_vip_sys_parents,
+ REG_CLK_EN_2, 4,
+ REG_DIV_CLK_AXI_VIP, 16, 4, 3, CV1800_DIV_FLAG,
+ REG_DIV_CLK_AXI_VIP, 8, 2,
+ REG_CLK_BYP_0, 22,
+ 0);
+
+static const struct clk_parent_data clk_axi_vip_bus_parents[] = {
+ { .hw = &clk_axi_vip.mux.common.hw },
+};
+
+static CV1800_BYPASS_MUX(clk_src_vip_sys_0, clk_vip_sys_parents,
+ REG_CLK_EN_2, 5,
+ REG_DIV_CLK_SRC_VIP_SYS_0, 16, 4, 6, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SRC_VIP_SYS_0, 8, 2,
+ REG_CLK_BYP_0, 23,
+ 0);
+static CV1800_BYPASS_MUX(clk_src_vip_sys_1, clk_vip_sys_parents,
+ REG_CLK_EN_2, 6,
+ REG_DIV_CLK_SRC_VIP_SYS_1, 16, 4, 6, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SRC_VIP_SYS_1, 8, 2,
+ REG_CLK_BYP_0, 24,
+ 0);
+static CV1800_BYPASS_MUX(clk_src_vip_sys_2, clk_vip_sys_parents,
+ REG_CLK_EN_3, 29,
+ REG_DIV_CLK_SRC_VIP_SYS_2, 16, 4, 2, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SRC_VIP_SYS_2, 8, 2,
+ REG_CLK_BYP_1, 1,
+ 0);
+static CV1800_GATE(clk_csi_mac0_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 18,
+ 0);
+static CV1800_GATE(clk_csi_mac1_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 19,
+ 0);
+static CV1800_GATE(clk_isp_top_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 20,
+ 0);
+static CV1800_GATE(clk_img_d_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 21,
+ 0);
+static CV1800_GATE(clk_img_v_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 22,
+ 0);
+static CV1800_GATE(clk_sc_top_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 23,
+ 0);
+static CV1800_GATE(clk_sc_d_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 24,
+ 0);
+static CV1800_GATE(clk_sc_v1_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 25,
+ 0);
+static CV1800_GATE(clk_sc_v2_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 26,
+ 0);
+static CV1800_GATE(clk_sc_v3_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 27,
+ 0);
+static CV1800_GATE(clk_dwa_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 28,
+ 0);
+static CV1800_GATE(clk_bt_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 29,
+ 0);
+static CV1800_GATE(clk_disp_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 30,
+ 0);
+static CV1800_GATE(clk_dsi_mac_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_2, 31,
+ 0);
+static CV1800_GATE(clk_lvds0_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_3, 0,
+ 0);
+static CV1800_GATE(clk_lvds1_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_3, 1,
+ 0);
+static CV1800_GATE(clk_csi0_rx_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_3, 2,
+ 0);
+static CV1800_GATE(clk_csi1_rx_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_3, 3,
+ 0);
+static CV1800_GATE(clk_pad_vi_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_3, 4,
+ 0);
+static CV1800_GATE(clk_pad_vi1_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_3, 30,
+ 0);
+static CV1800_GATE(clk_cfg_reg_vip, clk_axi6_bus_parents,
+ REG_CLK_EN_3, 31,
+ 0);
+static CV1800_GATE(clk_pad_vi2_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 7,
+ 0);
+static CV1800_GATE(clk_csi_be_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 8,
+ 0);
+static CV1800_GATE(clk_vip_ip0, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 9,
+ 0);
+static CV1800_GATE(clk_vip_ip1, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 10,
+ 0);
+static CV1800_GATE(clk_vip_ip2, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 11,
+ 0);
+static CV1800_GATE(clk_vip_ip3, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 12,
+ 0);
+static CV1800_BYPASS_MUX(clk_src_vip_sys_3, clk_vip_sys_parents,
+ REG_CLK_EN_4, 15,
+ REG_DIV_CLK_SRC_VIP_SYS_3, 16, 4, 2, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SRC_VIP_SYS_3, 8, 2,
+ REG_CLK_BYP_1, 8,
+ 0);
+static CV1800_BYPASS_MUX(clk_src_vip_sys_4, clk_vip_sys_parents,
+ REG_CLK_EN_4, 16,
+ REG_DIV_CLK_SRC_VIP_SYS_4, 16, 4, 3, CV1800_DIV_FLAG,
+ REG_DIV_CLK_SRC_VIP_SYS_4, 8, 2,
+ REG_CLK_BYP_1, 9,
+ 0);
+static CV1800_GATE(clk_ive_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 17,
+ 0);
+static CV1800_GATE(clk_raw_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 18,
+ 0);
+static CV1800_GATE(clk_osdc_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 19,
+ 0);
+static CV1800_GATE(clk_csi_mac2_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 20,
+ 0);
+static CV1800_GATE(clk_cam0_vip, clk_axi_vip_bus_parents,
+ REG_CLK_EN_4, 21,
+ 0);
+
+/* CAM OUT */
+static const struct clk_parent_data clk_cam_parents[] = {
+ { .hw = &clk_cam0pll.common.hw },
+ { .hw = &clk_cam0pll_d2.common.hw },
+ { .hw = &clk_cam0pll_d3.common.hw },
+ { .hw = &clk_mipimpll_d3.common.hw },
+};
+
+static CV1800_MUX(clk_cam0, clk_cam_parents,
+ REG_CLK_EN_2, 16,
+ REG_CLK_CAM0_SRC_DIV, 16, 6, 0, CV1800_DIV_FLAG,
+ REG_CLK_CAM0_SRC_DIV, 8, 2,
+ CLK_IGNORE_UNUSED);
+static CV1800_MUX(clk_cam1, clk_cam_parents,
+ REG_CLK_EN_2, 17,
+ REG_CLK_CAM1_SRC_DIV, 16, 6, 0, CV1800_DIV_FLAG,
+ REG_CLK_CAM1_SRC_DIV, 8, 2,
+ CLK_IGNORE_UNUSED);
+
+/* VIDEO SUBSYS */
+static const struct clk_parent_data clk_axi_video_codec_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_a0pll.common.hw },
+ { .hw = &clk_mipimpll.common.hw },
+ { .hw = &clk_cam1pll.common.hw },
+ { .hw = &clk_fpll.common.hw },
+};
+static const struct clk_parent_data clk_vc_src0_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_disppll.common.hw },
+ { .hw = &clk_mipimpll.common.hw },
+ { .hw = &clk_cam1pll.common.hw },
+ { .hw = &clk_fpll.common.hw },
+};
+static const struct clk_parent_data clk_vc_src1_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_cam1pll.common.hw },
+};
+
+static CV1800_BYPASS_MUX(clk_axi_video_codec, clk_axi_video_codec_parents,
+ REG_CLK_EN_2, 8,
+ REG_DIV_CLK_AXI_VIDEO_CODEC, 16, 4, 2, CV1800_DIV_FLAG,
+ REG_DIV_CLK_AXI_VIDEO_CODEC, 8, 2,
+ REG_CLK_BYP_0, 26,
+ 0);
+
+static const struct clk_parent_data clk_axi_video_codec_bus_parents[] = {
+ { .hw = &clk_axi_video_codec.mux.common.hw },
+};
+
+static CV1800_BYPASS_MUX(clk_vc_src0, clk_vc_src0_parents,
+ REG_CLK_EN_2, 9,
+ REG_DIV_CLK_VC_SRC0, 16, 4, 2, CV1800_DIV_FLAG,
+ REG_DIV_CLK_VC_SRC0, 8, 2,
+ REG_CLK_BYP_0, 27,
+ 0);
+
+static CV1800_GATE(clk_h264c, clk_axi_video_codec_bus_parents,
+ REG_CLK_EN_2, 10,
+ 0);
+static CV1800_GATE(clk_h265c, clk_axi_video_codec_bus_parents,
+ REG_CLK_EN_2, 11,
+ 0);
+static CV1800_GATE(clk_jpeg, clk_axi_video_codec_bus_parents,
+ REG_CLK_EN_2, 12,
+ CLK_IGNORE_UNUSED);
+static CV1800_GATE(clk_apb_jpeg, clk_axi6_bus_parents,
+ REG_CLK_EN_2, 13,
+ CLK_IGNORE_UNUSED);
+static CV1800_GATE(clk_apb_h264c, clk_axi6_bus_parents,
+ REG_CLK_EN_2, 14,
+ 0);
+static CV1800_GATE(clk_apb_h265c, clk_axi6_bus_parents,
+ REG_CLK_EN_2, 15,
+ 0);
+static CV1800_BYPASS_FIXED_DIV(clk_vc_src1, clk_vc_src1_parents,
+ REG_CLK_EN_3, 28,
+ 2,
+ REG_CLK_BYP_1, 0,
+ CLK_SET_RATE_PARENT);
+static CV1800_BYPASS_FIXED_DIV(clk_vc_src2, clk_bypass_fpll_parents,
+ REG_CLK_EN_4, 3,
+ 3,
+ REG_CLK_BYP_1, 3,
+ CLK_SET_RATE_PARENT);
+
+/* VC SYS */
+static CV1800_GATE(clk_cfg_reg_vc, clk_axi6_bus_parents,
+ REG_CLK_EN_4, 0,
+ CLK_IGNORE_UNUSED);
+
+/* PWM */
+static CV1800_BYPASS_MUX(clk_pwm_src, clk_axi4_parents,
+ REG_CLK_EN_4, 4,
+ REG_DIV_CLK_PWM_SRC_0, 16, 6, 10, CV1800_DIV_FLAG,
+ REG_DIV_CLK_PWM_SRC_0, 8, 2,
+ REG_CLK_BYP_0, 15,
+ CLK_IS_CRITICAL);
+
+static const struct clk_parent_data clk_pwm_parents[] = {
+ { .hw = &clk_pwm_src.mux.common.hw },
+};
+
+static CV1800_GATE(clk_pwm, clk_pwm_parents,
+ REG_CLK_EN_1, 8,
+ CLK_IS_CRITICAL);
+
+/* C906 */
+static const struct clk_parent_data clk_c906_0_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_tpll.common.hw },
+ { .hw = &clk_a0pll.common.hw },
+ { .hw = &clk_mipimpll.common.hw },
+ { .hw = &clk_mpll.common.hw },
+ { .hw = &clk_fpll.common.hw },
+};
+static const struct clk_parent_data clk_c906_1_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_tpll.common.hw },
+ { .hw = &clk_a0pll.common.hw },
+ { .hw = &clk_disppll.common.hw },
+ { .hw = &clk_mpll.common.hw },
+ { .hw = &clk_fpll.common.hw },
+};
+
+static const s8 clk_c906_parent2sel[] = {
+ -1, /* osc */
+ 0, /* mux 0: clk_tpll(c906_0), clk_tpll(c906_1) */
+ 0, /* mux 0: clk_a0pll(c906_0), clk_a0pll(c906_1) */
+ 0, /* mux 0: clk_mipimpll(c906_0), clk_disppll(c906_1) */
+ 0, /* mux 0: clk_mpll(c906_0), clk_mpll(c906_1) */
+ 1 /* mux 1: clk_fpll(c906_0), clk_fpll(c906_1) */
+};
+
+static const u8 clk_c906_sel2parent[2][4] = {
+ [0] = {
+ 1,
+ 2,
+ 3,
+ 4
+ },
+ [1] = {
+ 5,
+ 5,
+ 5,
+ 5
+ },
+};
+
+static CV1800_MMUX(clk_c906_0, clk_c906_0_parents,
+ REG_CLK_EN_4, 13,
+ REG_DIV_CLK_C906_0_0, 16, 4, 1, CV1800_DIV_FLAG,
+ REG_DIV_CLK_C906_0_1, 16, 4, 2, CV1800_DIV_FLAG,
+ REG_DIV_CLK_C906_0_0, 8, 2,
+ REG_DIV_CLK_C906_0_1, 8, 2,
+ REG_CLK_BYP_1, 6,
+ REG_CLK_SEL_0, 23,
+ clk_c906_parent2sel,
+ clk_c906_sel2parent[0], clk_c906_sel2parent[1],
+ CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE);
+static CV1800_MMUX(clk_c906_1, clk_c906_1_parents,
+ REG_CLK_EN_4, 14,
+ REG_DIV_CLK_C906_1_0, 16, 4, 2, CV1800_DIV_FLAG,
+ REG_DIV_CLK_C906_1_1, 16, 4, 3, CV1800_DIV_FLAG,
+ REG_DIV_CLK_C906_1_0, 8, 2,
+ REG_DIV_CLK_C906_1_1, 8, 2,
+ REG_CLK_BYP_1, 7,
+ REG_CLK_SEL_0, 24,
+ clk_c906_parent2sel,
+ clk_c906_sel2parent[0], clk_c906_sel2parent[1],
+ CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE);
+
+/* A53 */
+static CV1800_BYPASS_DIV(clk_cpu_axi0, clk_axi4_parents,
+ REG_CLK_EN_0, 1,
+ REG_DIV_CLK_CPU_AXI0, 16, 4, 3, CV1800_DIV_FLAG,
+ REG_CLK_BYP_0, 1,
+ CLK_IS_CRITICAL);
+static CV1800_BYPASS_DIV(clk_cpu_gic, clk_bypass_fpll_parents,
+ REG_CLK_EN_0, 2,
+ REG_DIV_CLK_CPU_GIC, 16, 4, 5, CV1800_DIV_FLAG,
+ REG_CLK_BYP_0, 2,
+ CLK_IS_CRITICAL);
+static CV1800_GATE(clk_xtal_ap, osc_parents,
+ REG_CLK_EN_0, 3,
+ CLK_IS_CRITICAL);
+
+static const struct clk_parent_data clk_a53_parents[] = {
+ { .index = 0 },
+ { .hw = &clk_tpll.common.hw },
+ { .hw = &clk_a0pll.common.hw },
+ { .hw = &clk_mipimpll.common.hw },
+ { .hw = &clk_mpll.common.hw },
+ { .hw = &clk_fpll.common.hw },
+};
+
+static const s8 clk_a53_parent2sel[] = {
+ -1, /* osc */
+ 0, /* mux 0: clk_tpll */
+ 0, /* mux 0: clk_a0pll */
+ 0, /* mux 0: clk_mipimpll */
+ 0, /* mux 0: clk_mpll */
+ 1 /* mux 1: clk_fpll */
+};
+
+static const u8 clk_a53_sel2parent[2][4] = {
+ [0] = {
+ 1,
+ 2,
+ 3,
+ 4
+ },
+ [1] = {
+ 5,
+ 5,
+ 5,
+ 5
+ },
+};
+
+/*
+ * Clock for A53 cpu in the CV18XX/SG200X series.
+ * For CV180X and CV181X series, this clock is not used, but can not
+ * be set to bypass mode, or the SoC will hang.
+ */
+static CV1800_MMUX(clk_a53, clk_a53_parents,
+ REG_CLK_EN_0, 0,
+ REG_DIV_CLK_A53_0, 16, 4, 1, CV1800_DIV_FLAG,
+ REG_DIV_CLK_A53_1, 16, 4, 2, CV1800_DIV_FLAG,
+ REG_DIV_CLK_A53_0, 8, 2,
+ REG_DIV_CLK_A53_1, 8, 2,
+ REG_CLK_BYP_0, 0,
+ REG_CLK_SEL_0, 0,
+ clk_a53_parent2sel,
+ clk_a53_sel2parent[0], clk_a53_sel2parent[1],
+ CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE);
+
+static struct clk_hw_onecell_data cv1800_hw_clks = {
+ .num = CV1800_CLK_MAX,
+ .hws = {
+ [CLK_MPLL] = &clk_mpll.common.hw,
+ [CLK_TPLL] = &clk_tpll.common.hw,
+ [CLK_FPLL] = &clk_fpll.common.hw,
+ [CLK_MIPIMPLL] = &clk_mipimpll.common.hw,
+ [CLK_A0PLL] = &clk_a0pll.common.hw,
+ [CLK_DISPPLL] = &clk_disppll.common.hw,
+ [CLK_CAM0PLL] = &clk_cam0pll.common.hw,
+ [CLK_CAM1PLL] = &clk_cam1pll.common.hw,
+
+ [CLK_MIPIMPLL_D3] = &clk_mipimpll_d3.common.hw,
+ [CLK_CAM0PLL_D2] = &clk_cam0pll_d2.common.hw,
+ [CLK_CAM0PLL_D3] = &clk_cam0pll_d3.common.hw,
+
+ [CLK_TPU] = &clk_tpu.mux.common.hw,
+ [CLK_TPU_FAB] = &clk_tpu_fab.common.hw,
+ [CLK_AHB_ROM] = &clk_ahb_rom.common.hw,
+ [CLK_DDR_AXI_REG] = &clk_ddr_axi_reg.common.hw,
+ [CLK_RTC_25M] = &clk_rtc_25m.common.hw,
+ [CLK_SRC_RTC_SYS_0] = &clk_src_rtc_sys_0.div.common.hw,
+ [CLK_TEMPSEN] = &clk_tempsen.common.hw,
+ [CLK_SARADC] = &clk_saradc.common.hw,
+ [CLK_EFUSE] = &clk_efuse.common.hw,
+ [CLK_APB_EFUSE] = &clk_apb_efuse.common.hw,
+ [CLK_DEBUG] = &clk_debug.common.hw,
+ [CLK_AP_DEBUG] = &clk_ap_debug.div.common.hw,
+ [CLK_XTAL_MISC] = &clk_xtal_misc.common.hw,
+ [CLK_AXI4_EMMC] = &clk_axi4_emmc.common.hw,
+ [CLK_EMMC] = &clk_emmc.mux.common.hw,
+ [CLK_EMMC_100K] = &clk_emmc_100k.common.hw,
+ [CLK_AXI4_SD0] = &clk_axi4_sd0.common.hw,
+ [CLK_SD0] = &clk_sd0.mux.common.hw,
+ [CLK_SD0_100K] = &clk_sd0_100k.common.hw,
+ [CLK_AXI4_SD1] = &clk_axi4_sd1.common.hw,
+ [CLK_SD1] = &clk_sd1.mux.common.hw,
+ [CLK_SD1_100K] = &clk_sd1_100k.common.hw,
+ [CLK_SPI_NAND] = &clk_spi_nand.mux.common.hw,
+ [CLK_ETH0_500M] = &clk_eth0_500m.div.common.hw,
+ [CLK_AXI4_ETH0] = &clk_axi4_eth0.common.hw,
+ [CLK_ETH1_500M] = &clk_eth1_500m.div.common.hw,
+ [CLK_AXI4_ETH1] = &clk_axi4_eth1.common.hw,
+ [CLK_APB_GPIO] = &clk_apb_gpio.common.hw,
+ [CLK_APB_GPIO_INTR] = &clk_apb_gpio_intr.common.hw,
+ [CLK_GPIO_DB] = &clk_gpio_db.common.hw,
+ [CLK_AHB_SF] = &clk_ahb_sf.common.hw,
+ [CLK_AHB_SF1] = &clk_ahb_sf1.common.hw,
+ [CLK_A24M] = &clk_a24m.common.hw,
+ [CLK_AUDSRC] = &clk_audsrc.mux.common.hw,
+ [CLK_APB_AUDSRC] = &clk_apb_audsrc.common.hw,
+ [CLK_SDMA_AXI] = &clk_sdma_axi.common.hw,
+ [CLK_SDMA_AUD0] = &clk_sdma_aud0.mux.common.hw,
+ [CLK_SDMA_AUD1] = &clk_sdma_aud1.mux.common.hw,
+ [CLK_SDMA_AUD2] = &clk_sdma_aud2.mux.common.hw,
+ [CLK_SDMA_AUD3] = &clk_sdma_aud3.mux.common.hw,
+ [CLK_I2C] = &clk_i2c.div.common.hw,
+ [CLK_APB_I2C] = &clk_apb_i2c.common.hw,
+ [CLK_APB_I2C0] = &clk_apb_i2c0.common.hw,
+ [CLK_APB_I2C1] = &clk_apb_i2c1.common.hw,
+ [CLK_APB_I2C2] = &clk_apb_i2c2.common.hw,
+ [CLK_APB_I2C3] = &clk_apb_i2c3.common.hw,
+ [CLK_APB_I2C4] = &clk_apb_i2c4.common.hw,
+ [CLK_APB_WDT] = &clk_apb_wdt.common.hw,
+ [CLK_PWM_SRC] = &clk_pwm_src.mux.common.hw,
+ [CLK_PWM] = &clk_pwm.common.hw,
+ [CLK_SPI] = &clk_spi.div.common.hw,
+ [CLK_APB_SPI0] = &clk_apb_spi0.common.hw,
+ [CLK_APB_SPI1] = &clk_apb_spi1.common.hw,
+ [CLK_APB_SPI2] = &clk_apb_spi2.common.hw,
+ [CLK_APB_SPI3] = &clk_apb_spi3.common.hw,
+ [CLK_1M] = &clk_1m.common.hw,
+ [CLK_CAM0_200] = &clk_cam0_200.mux.common.hw,
+ [CLK_PM] = &clk_pm.common.hw,
+ [CLK_TIMER0] = &clk_timer0.common.hw,
+ [CLK_TIMER1] = &clk_timer1.common.hw,
+ [CLK_TIMER2] = &clk_timer2.common.hw,
+ [CLK_TIMER3] = &clk_timer3.common.hw,
+ [CLK_TIMER4] = &clk_timer4.common.hw,
+ [CLK_TIMER5] = &clk_timer5.common.hw,
+ [CLK_TIMER6] = &clk_timer6.common.hw,
+ [CLK_TIMER7] = &clk_timer7.common.hw,
+ [CLK_UART0] = &clk_uart0.common.hw,
+ [CLK_APB_UART0] = &clk_apb_uart0.common.hw,
+ [CLK_UART1] = &clk_uart1.common.hw,
+ [CLK_APB_UART1] = &clk_apb_uart1.common.hw,
+ [CLK_UART2] = &clk_uart2.common.hw,
+ [CLK_APB_UART2] = &clk_apb_uart2.common.hw,
+ [CLK_UART3] = &clk_uart3.common.hw,
+ [CLK_APB_UART3] = &clk_apb_uart3.common.hw,
+ [CLK_UART4] = &clk_uart4.common.hw,
+ [CLK_APB_UART4] = &clk_apb_uart4.common.hw,
+ [CLK_APB_I2S0] = &clk_apb_i2s0.common.hw,
+ [CLK_APB_I2S1] = &clk_apb_i2s1.common.hw,
+ [CLK_APB_I2S2] = &clk_apb_i2s2.common.hw,
+ [CLK_APB_I2S3] = &clk_apb_i2s3.common.hw,
+ [CLK_AXI4_USB] = &clk_axi4_usb.common.hw,
+ [CLK_APB_USB] = &clk_apb_usb.common.hw,
+ [CLK_USB_125M] = &clk_usb_125m.div.common.hw,
+ [CLK_USB_33K] = &clk_usb_33k.common.hw,
+ [CLK_USB_12M] = &clk_usb_12m.div.common.hw,
+ [CLK_AXI4] = &clk_axi4.mux.common.hw,
+ [CLK_AXI6] = &clk_axi6.div.common.hw,
+ [CLK_DSI_ESC] = &clk_dsi_esc.div.common.hw,
+ [CLK_AXI_VIP] = &clk_axi_vip.mux.common.hw,
+ [CLK_SRC_VIP_SYS_0] = &clk_src_vip_sys_0.mux.common.hw,
+ [CLK_SRC_VIP_SYS_1] = &clk_src_vip_sys_1.mux.common.hw,
+ [CLK_SRC_VIP_SYS_2] = &clk_src_vip_sys_2.mux.common.hw,
+ [CLK_SRC_VIP_SYS_3] = &clk_src_vip_sys_3.mux.common.hw,
+ [CLK_SRC_VIP_SYS_4] = &clk_src_vip_sys_4.mux.common.hw,
+ [CLK_CSI_BE_VIP] = &clk_csi_be_vip.common.hw,
+ [CLK_CSI_MAC0_VIP] = &clk_csi_mac0_vip.common.hw,
+ [CLK_CSI_MAC1_VIP] = &clk_csi_mac1_vip.common.hw,
+ [CLK_CSI_MAC2_VIP] = &clk_csi_mac2_vip.common.hw,
+ [CLK_CSI0_RX_VIP] = &clk_csi0_rx_vip.common.hw,
+ [CLK_CSI1_RX_VIP] = &clk_csi1_rx_vip.common.hw,
+ [CLK_ISP_TOP_VIP] = &clk_isp_top_vip.common.hw,
+ [CLK_IMG_D_VIP] = &clk_img_d_vip.common.hw,
+ [CLK_IMG_V_VIP] = &clk_img_v_vip.common.hw,
+ [CLK_SC_TOP_VIP] = &clk_sc_top_vip.common.hw,
+ [CLK_SC_D_VIP] = &clk_sc_d_vip.common.hw,
+ [CLK_SC_V1_VIP] = &clk_sc_v1_vip.common.hw,
+ [CLK_SC_V2_VIP] = &clk_sc_v2_vip.common.hw,
+ [CLK_SC_V3_VIP] = &clk_sc_v3_vip.common.hw,
+ [CLK_DWA_VIP] = &clk_dwa_vip.common.hw,
+ [CLK_BT_VIP] = &clk_bt_vip.common.hw,
+ [CLK_DISP_VIP] = &clk_disp_vip.common.hw,
+ [CLK_DSI_MAC_VIP] = &clk_dsi_mac_vip.common.hw,
+ [CLK_LVDS0_VIP] = &clk_lvds0_vip.common.hw,
+ [CLK_LVDS1_VIP] = &clk_lvds1_vip.common.hw,
+ [CLK_PAD_VI_VIP] = &clk_pad_vi_vip.common.hw,
+ [CLK_PAD_VI1_VIP] = &clk_pad_vi1_vip.common.hw,
+ [CLK_PAD_VI2_VIP] = &clk_pad_vi2_vip.common.hw,
+ [CLK_CFG_REG_VIP] = &clk_cfg_reg_vip.common.hw,
+ [CLK_VIP_IP0] = &clk_vip_ip0.common.hw,
+ [CLK_VIP_IP1] = &clk_vip_ip1.common.hw,
+ [CLK_VIP_IP2] = &clk_vip_ip2.common.hw,
+ [CLK_VIP_IP3] = &clk_vip_ip3.common.hw,
+ [CLK_IVE_VIP] = &clk_ive_vip.common.hw,
+ [CLK_RAW_VIP] = &clk_raw_vip.common.hw,
+ [CLK_OSDC_VIP] = &clk_osdc_vip.common.hw,
+ [CLK_CAM0_VIP] = &clk_cam0_vip.common.hw,
+ [CLK_AXI_VIDEO_CODEC] = &clk_axi_video_codec.mux.common.hw,
+ [CLK_VC_SRC0] = &clk_vc_src0.mux.common.hw,
+ [CLK_VC_SRC1] = &clk_vc_src1.div.common.hw,
+ [CLK_VC_SRC2] = &clk_vc_src2.div.common.hw,
+ [CLK_H264C] = &clk_h264c.common.hw,
+ [CLK_APB_H264C] = &clk_apb_h264c.common.hw,
+ [CLK_H265C] = &clk_h265c.common.hw,
+ [CLK_APB_H265C] = &clk_apb_h265c.common.hw,
+ [CLK_JPEG] = &clk_jpeg.common.hw,
+ [CLK_APB_JPEG] = &clk_apb_jpeg.common.hw,
+ [CLK_CAM0] = &clk_cam0.common.hw,
+ [CLK_CAM1] = &clk_cam1.common.hw,
+ [CLK_WGN] = &clk_wgn.common.hw,
+ [CLK_WGN0] = &clk_wgn0.common.hw,
+ [CLK_WGN1] = &clk_wgn1.common.hw,
+ [CLK_WGN2] = &clk_wgn2.common.hw,
+ [CLK_KEYSCAN] = &clk_keyscan.common.hw,
+ [CLK_CFG_REG_VC] = &clk_cfg_reg_vc.common.hw,
+ [CLK_C906_0] = &clk_c906_0.common.hw,
+ [CLK_C906_1] = &clk_c906_1.common.hw,
+ [CLK_A53] = &clk_a53.common.hw,
+ [CLK_CPU_AXI0] = &clk_cpu_axi0.div.common.hw,
+ [CLK_CPU_GIC] = &clk_cpu_gic.div.common.hw,
+ [CLK_XTAL_AP] = &clk_xtal_ap.common.hw,
+ },
+};
+
+static void cv18xx_clk_disable_auto_pd(void __iomem *base)
+{
+ static const u16 CV1800_PD_CLK[] = {
+ REG_MIPIMPLL_CLK_CSR,
+ REG_A0PLL_CLK_CSR,
+ REG_DISPPLL_CLK_CSR,
+ REG_CAM0PLL_CLK_CSR,
+ REG_CAM1PLL_CLK_CSR,
+ };
+
+ u32 val;
+ int i;
+
+ /* disable auto power down */
+ for (i = 0; i < ARRAY_SIZE(CV1800_PD_CLK); i++) {
+ u32 reg = CV1800_PD_CLK[i];
+
+ val = readl(base + reg);
+ val |= GENMASK(12, 9);
+ val &= ~BIT(8);
+ writel(val, base + reg);
+ }
+}
+
+static void cv18xx_clk_disable_a53(void __iomem *base)
+{
+ u32 val = readl(base + REG_CLK_BYP_0);
+
+ /* Set bypass clock for clk_a53 */
+ val |= BIT(0);
+
+ /* Set bypass clock for clk_cpu_axi0 */
+ val |= BIT(1);
+
+ /* Set bypass clock for clk_cpu_gic */
+ val |= BIT(2);
+
+ writel(val, base + REG_CLK_BYP_0);
+}
+
+static int cv1800_pre_init(struct device *dev, void __iomem *base,
+ struct cv1800_clk_ctrl *ctrl,
+ const struct cv1800_clk_desc *desc)
+{
+ u32 val = readl(base + REG_CLK_EN_2);
+
+ /* disable unsupported clk_disp_src_vip */
+ val &= ~BIT(7);
+
+ writel(val, base + REG_CLK_EN_2);
+
+ cv18xx_clk_disable_a53(base);
+ cv18xx_clk_disable_auto_pd(base);
+
+ return 0;
+}
+
+static const struct cv1800_clk_desc cv1800_desc = {
+ .clks_data = &cv1800_hw_clks,
+ .pre_init = cv1800_pre_init,
+};
+
+static int cv1800_clk_init_ctrl(struct device *dev, void __iomem *reg,
+ struct cv1800_clk_ctrl *ctrl,
+ const struct cv1800_clk_desc *desc)
+{
+ int i, ret;
+
+ ctrl->desc = desc;
+ spin_lock_init(&ctrl->lock);
+
+ for (i = 0; i < desc->clks_data->num; i++) {
+ struct clk_hw *hw = desc->clks_data->hws[i];
+ struct cv1800_clk_common *common;
+ const char *name;
+
+ if (!hw)
+ continue;
+
+ name = hw->init->name;
+
+ common = hw_to_cv1800_clk_common(hw);
+ common->base = reg;
+ common->lock = &ctrl->lock;
+
+ ret = devm_clk_hw_register(dev, hw);
+ if (ret) {
+ dev_err(dev, "Couldn't register clock %d - %s\n",
+ i, name);
+ return ret;
+ }
+ }
+
+ return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
+ desc->clks_data);
+}
+
+static int cv1800_clk_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ void __iomem *reg;
+ int ret;
+ const struct cv1800_clk_desc *desc;
+ struct cv1800_clk_ctrl *ctrl;
+
+ reg = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
+
+ desc = device_get_match_data(dev);
+ if (!desc) {
+ dev_err(dev, "no match data for platform\n");
+ return -EINVAL;
+ }
+
+ ctrl = devm_kzalloc(dev, sizeof(*ctrl), GFP_KERNEL);
+ if (!ctrl)
+ return -ENOMEM;
+
+ if (desc->pre_init) {
+ ret = desc->pre_init(dev, reg, ctrl, desc);
+ if (ret)
+ return ret;
+ }
+
+ return cv1800_clk_init_ctrl(dev, reg, ctrl, desc);
+}
+
+static const struct of_device_id cv1800_clk_ids[] = {
+ { .compatible = "sophgo,cv1800-clk", .data = &cv1800_desc },
+ { }
+};
+MODULE_DEVICE_TABLE(of, cv1800_clk_ids);
+
+static struct platform_driver cv1800_clk_driver = {
+ .probe = cv1800_clk_probe,
+ .driver = {
+ .name = "cv1800-clk",
+ .suppress_bind_attrs = true,
+ .of_match_table = cv1800_clk_ids,
+ },
+};
+module_platform_driver(cv1800_clk_driver);
+MODULE_LICENSE("GPL");
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#ifndef _CLK_SOPHGO_CV1800_H_
+#define _CLK_SOPHGO_CV1800_H_
+
+#include <dt-bindings/clock/sophgo,cv1800.h>
+
+#define CV1800_CLK_MAX (CLK_XTAL_AP + 1)
+
+#define REG_PLL_G2_CTRL 0x800
+#define REG_PLL_G2_STATUS 0x804
+#define REG_MIPIMPLL_CSR 0x808
+#define REG_A0PLL_CSR 0x80C
+#define REG_DISPPLL_CSR 0x810
+#define REG_CAM0PLL_CSR 0x814
+#define REG_CAM1PLL_CSR 0x818
+#define REG_PLL_G2_SSC_SYN_CTRL 0x840
+#define REG_A0PLL_SSC_SYN_CTRL 0x850
+#define REG_A0PLL_SSC_SYN_SET 0x854
+#define REG_A0PLL_SSC_SYN_SPAN 0x858
+#define REG_A0PLL_SSC_SYN_STEP 0x85C
+#define REG_DISPPLL_SSC_SYN_CTRL 0x860
+#define REG_DISPPLL_SSC_SYN_SET 0x864
+#define REG_DISPPLL_SSC_SYN_SPAN 0x868
+#define REG_DISPPLL_SSC_SYN_STEP 0x86C
+#define REG_CAM0PLL_SSC_SYN_CTRL 0x870
+#define REG_CAM0PLL_SSC_SYN_SET 0x874
+#define REG_CAM0PLL_SSC_SYN_SPAN 0x878
+#define REG_CAM0PLL_SSC_SYN_STEP 0x87C
+#define REG_CAM1PLL_SSC_SYN_CTRL 0x880
+#define REG_CAM1PLL_SSC_SYN_SET 0x884
+#define REG_CAM1PLL_SSC_SYN_SPAN 0x888
+#define REG_CAM1PLL_SSC_SYN_STEP 0x88C
+#define REG_APLL_FRAC_DIV_CTRL 0x890
+#define REG_APLL_FRAC_DIV_M 0x894
+#define REG_APLL_FRAC_DIV_N 0x898
+#define REG_MIPIMPLL_CLK_CSR 0x8A0
+#define REG_A0PLL_CLK_CSR 0x8A4
+#define REG_DISPPLL_CLK_CSR 0x8A8
+#define REG_CAM0PLL_CLK_CSR 0x8AC
+#define REG_CAM1PLL_CLK_CSR 0x8B0
+#define REG_CLK_CAM0_SRC_DIV 0x8C0
+#define REG_CLK_CAM1_SRC_DIV 0x8C4
+
+/* top_pll_g6 */
+#define REG_PLL_G6_CTRL 0x900
+#define REG_PLL_G6_STATUS 0x904
+#define REG_MPLL_CSR 0x908
+#define REG_TPLL_CSR 0x90C
+#define REG_FPLL_CSR 0x910
+#define REG_PLL_G6_SSC_SYN_CTRL 0x940
+#define REG_DPLL_SSC_SYN_CTRL 0x950
+#define REG_DPLL_SSC_SYN_SET 0x954
+#define REG_DPLL_SSC_SYN_SPAN 0x958
+#define REG_DPLL_SSC_SYN_STEP 0x95C
+#define REG_MPLL_SSC_SYN_CTRL 0x960
+#define REG_MPLL_SSC_SYN_SET 0x964
+#define REG_MPLL_SSC_SYN_SPAN 0x968
+#define REG_MPLL_SSC_SYN_STEP 0x96C
+#define REG_TPLL_SSC_SYN_CTRL 0x970
+#define REG_TPLL_SSC_SYN_SET 0x974
+#define REG_TPLL_SSC_SYN_SPAN 0x978
+#define REG_TPLL_SSC_SYN_STEP 0x97C
+
+/* clkgen */
+#define REG_CLK_EN_0 0x000
+#define REG_CLK_EN_1 0x004
+#define REG_CLK_EN_2 0x008
+#define REG_CLK_EN_3 0x00C
+#define REG_CLK_EN_4 0x010
+#define REG_CLK_SEL_0 0x020
+#define REG_CLK_BYP_0 0x030
+#define REG_CLK_BYP_1 0x034
+
+#define REG_DIV_CLK_A53_0 0x040
+#define REG_DIV_CLK_A53_1 0x044
+#define REG_DIV_CLK_CPU_AXI0 0x048
+#define REG_DIV_CLK_CPU_GIC 0x050
+#define REG_DIV_CLK_TPU 0x054
+#define REG_DIV_CLK_EMMC 0x064
+#define REG_DIV_CLK_EMMC_100K 0x06C
+#define REG_DIV_CLK_SD0 0x070
+#define REG_DIV_CLK_SD0_100K 0x078
+#define REG_DIV_CLK_SD1 0x07C
+#define REG_DIV_CLK_SD1_100K 0x084
+#define REG_DIV_CLK_SPI_NAND 0x088
+#define REG_DIV_CLK_ETH0_500M 0x08C
+#define REG_DIV_CLK_ETH1_500M 0x090
+#define REG_DIV_CLK_GPIO_DB 0x094
+#define REG_DIV_CLK_SDMA_AUD0 0x098
+#define REG_DIV_CLK_SDMA_AUD1 0x09C
+#define REG_DIV_CLK_SDMA_AUD2 0x0A0
+#define REG_DIV_CLK_SDMA_AUD3 0x0A4
+#define REG_DIV_CLK_CAM0_200 0x0A8
+#define REG_DIV_CLK_AXI4 0x0B8
+#define REG_DIV_CLK_AXI6 0x0BC
+#define REG_DIV_CLK_DSI_ESC 0x0C4
+#define REG_DIV_CLK_AXI_VIP 0x0C8
+#define REG_DIV_CLK_SRC_VIP_SYS_0 0x0D0
+#define REG_DIV_CLK_SRC_VIP_SYS_1 0x0D8
+#define REG_DIV_CLK_DISP_SRC_VIP 0x0E0
+#define REG_DIV_CLK_AXI_VIDEO_CODEC 0x0E4
+#define REG_DIV_CLK_VC_SRC0 0x0EC
+#define REG_DIV_CLK_1M 0x0FC
+#define REG_DIV_CLK_SPI 0x100
+#define REG_DIV_CLK_I2C 0x104
+#define REG_DIV_CLK_SRC_VIP_SYS_2 0x110
+#define REG_DIV_CLK_AUDSRC 0x118
+#define REG_DIV_CLK_PWM_SRC_0 0x120
+#define REG_DIV_CLK_AP_DEBUG 0x128
+#define REG_DIV_CLK_RTCSYS_SRC_0 0x12C
+#define REG_DIV_CLK_C906_0_0 0x130
+#define REG_DIV_CLK_C906_0_1 0x134
+#define REG_DIV_CLK_C906_1_0 0x138
+#define REG_DIV_CLK_C906_1_1 0x13C
+#define REG_DIV_CLK_SRC_VIP_SYS_3 0x140
+#define REG_DIV_CLK_SRC_VIP_SYS_4 0x144
+
+#endif /* _CLK_SOPHGO_CV1800_H_ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/spinlock.h>
+#include <linux/bug.h>
+
+#include "clk-cv18xx-common.h"
+
+int cv1800_clk_setbit(struct cv1800_clk_common *common,
+ struct cv1800_clk_regbit *field)
+{
+ u32 mask = BIT(field->shift);
+ u32 value;
+ unsigned long flags;
+
+ spin_lock_irqsave(common->lock, flags);
+
+ value = readl(common->base + field->reg);
+ writel(value | mask, common->base + field->reg);
+
+ spin_unlock_irqrestore(common->lock, flags);
+
+ return 0;
+}
+
+int cv1800_clk_clearbit(struct cv1800_clk_common *common,
+ struct cv1800_clk_regbit *field)
+{
+ u32 mask = BIT(field->shift);
+ u32 value;
+ unsigned long flags;
+
+ spin_lock_irqsave(common->lock, flags);
+
+ value = readl(common->base + field->reg);
+ writel(value & ~mask, common->base + field->reg);
+
+ spin_unlock_irqrestore(common->lock, flags);
+
+ return 0;
+}
+
+int cv1800_clk_checkbit(struct cv1800_clk_common *common,
+ struct cv1800_clk_regbit *field)
+{
+ return readl(common->base + field->reg) & BIT(field->shift);
+}
+
+#define PLL_LOCK_TIMEOUT_US (200 * 1000)
+
+void cv1800_clk_wait_for_lock(struct cv1800_clk_common *common,
+ u32 reg, u32 lock)
+{
+ void __iomem *addr = common->base + reg;
+ u32 regval;
+
+ if (!lock)
+ return;
+
+ WARN_ON(readl_relaxed_poll_timeout(addr, regval, regval & lock,
+ 100, PLL_LOCK_TIMEOUT_US));
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#ifndef _CLK_SOPHGO_CV18XX_IP_H_
+#define _CLK_SOPHGO_CV18XX_IP_H_
+
+#include <linux/compiler.h>
+#include <linux/clk-provider.h>
+#include <linux/bitfield.h>
+
+struct cv1800_clk_common {
+ void __iomem *base;
+ spinlock_t *lock;
+ struct clk_hw hw;
+ unsigned long features;
+};
+
+#define CV1800_CLK_COMMON(_name, _parents, _op, _flags) \
+ { \
+ .hw.init = CLK_HW_INIT_PARENTS_DATA(_name, _parents, \
+ _op, _flags), \
+ }
+
+static inline struct cv1800_clk_common *
+hw_to_cv1800_clk_common(struct clk_hw *hw)
+{
+ return container_of(hw, struct cv1800_clk_common, hw);
+}
+
+struct cv1800_clk_regbit {
+ u16 reg;
+ s8 shift;
+};
+
+struct cv1800_clk_regfield {
+ u16 reg;
+ u8 shift;
+ u8 width;
+ s16 initval;
+ unsigned long flags;
+};
+
+#define CV1800_CLK_BIT(_reg, _shift) \
+ { \
+ .reg = _reg, \
+ .shift = _shift, \
+ }
+
+#define CV1800_CLK_REG(_reg, _shift, _width, _initval, _flags) \
+ { \
+ .reg = _reg, \
+ .shift = _shift, \
+ .width = _width, \
+ .initval = _initval, \
+ .flags = _flags, \
+ }
+
+#define cv1800_clk_regfield_genmask(_reg) \
+ GENMASK((_reg)->shift + (_reg)->width - 1, (_reg)->shift)
+#define cv1800_clk_regfield_get(_val, _reg) \
+ (((_val) >> (_reg)->shift) & GENMASK((_reg)->width - 1, 0))
+#define cv1800_clk_regfield_set(_val, _new, _reg) \
+ (((_val) & ~cv1800_clk_regfield_genmask((_reg))) | \
+ (((_new) & GENMASK((_reg)->width - 1, 0)) << (_reg)->shift))
+
+#define _CV1800_SET_FIELD(_reg, _val, _field) \
+ (((_reg) & ~(_field)) | FIELD_PREP((_field), (_val)))
+
+int cv1800_clk_setbit(struct cv1800_clk_common *common,
+ struct cv1800_clk_regbit *field);
+int cv1800_clk_clearbit(struct cv1800_clk_common *common,
+ struct cv1800_clk_regbit *field);
+int cv1800_clk_checkbit(struct cv1800_clk_common *common,
+ struct cv1800_clk_regbit *field);
+
+void cv1800_clk_wait_for_lock(struct cv1800_clk_common *common,
+ u32 reg, u32 lock);
+
+#endif // _CLK_SOPHGO_CV18XX_IP_H_
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/gcd.h>
+#include <linux/spinlock.h>
+
+#include "clk-cv18xx-ip.h"
+
+/* GATE */
+static inline struct cv1800_clk_gate *hw_to_cv1800_clk_gate(struct clk_hw *hw)
+{
+ struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
+
+ return container_of(common, struct cv1800_clk_gate, common);
+}
+
+static int gate_enable(struct clk_hw *hw)
+{
+ struct cv1800_clk_gate *gate = hw_to_cv1800_clk_gate(hw);
+
+ return cv1800_clk_setbit(&gate->common, &gate->gate);
+}
+
+static void gate_disable(struct clk_hw *hw)
+{
+ struct cv1800_clk_gate *gate = hw_to_cv1800_clk_gate(hw);
+
+ cv1800_clk_clearbit(&gate->common, &gate->gate);
+}
+
+static int gate_is_enabled(struct clk_hw *hw)
+{
+ struct cv1800_clk_gate *gate = hw_to_cv1800_clk_gate(hw);
+
+ return cv1800_clk_checkbit(&gate->common, &gate->gate);
+}
+
+static unsigned long gate_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ return parent_rate;
+}
+
+static long gate_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ return *parent_rate;
+}
+
+static int gate_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ return 0;
+}
+
+const struct clk_ops cv1800_clk_gate_ops = {
+ .disable = gate_disable,
+ .enable = gate_enable,
+ .is_enabled = gate_is_enabled,
+
+ .recalc_rate = gate_recalc_rate,
+ .round_rate = gate_round_rate,
+ .set_rate = gate_set_rate,
+};
+
+/* DIV */
+#define _DIV_EN_CLK_DIV_FACTOR_FIELD BIT(3)
+
+#define DIV_GET_EN_CLK_DIV_FACTOR(_reg) \
+ FIELD_GET(_DIV_EN_CLK_DIV_FACTOR_FIELD, _reg)
+
+#define DIV_SET_EN_DIV_FACTOR(_reg) \
+ _CV1800_SET_FIELD(_reg, 1, _DIV_EN_CLK_DIV_FACTOR_FIELD)
+
+static inline struct cv1800_clk_div *hw_to_cv1800_clk_div(struct clk_hw *hw)
+{
+ struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
+
+ return container_of(common, struct cv1800_clk_div, common);
+}
+
+static int div_enable(struct clk_hw *hw)
+{
+ struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
+
+ return cv1800_clk_setbit(&div->common, &div->gate);
+}
+
+static void div_disable(struct clk_hw *hw)
+{
+ struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
+
+ cv1800_clk_clearbit(&div->common, &div->gate);
+}
+
+static int div_is_enabled(struct clk_hw *hw)
+{
+ struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
+
+ return cv1800_clk_checkbit(&div->common, &div->gate);
+}
+
+static int div_helper_set_rate(struct cv1800_clk_common *common,
+ struct cv1800_clk_regfield *div,
+ unsigned long val)
+{
+ unsigned long flags;
+ u32 reg;
+
+ if (div->width == 0)
+ return 0;
+
+ spin_lock_irqsave(common->lock, flags);
+
+ reg = readl(common->base + div->reg);
+ reg = cv1800_clk_regfield_set(reg, val, div);
+ if (div->initval > 0)
+ reg = DIV_SET_EN_DIV_FACTOR(reg);
+
+ writel(reg, common->base + div->reg);
+
+ spin_unlock_irqrestore(common->lock, flags);
+
+ return 0;
+}
+
+static u32 div_helper_get_clockdiv(struct cv1800_clk_common *common,
+ struct cv1800_clk_regfield *div)
+{
+ u32 clockdiv = 1;
+ u32 reg;
+
+ if (!div || div->initval < 0 || (div->width == 0 && div->initval <= 0))
+ return 1;
+
+ if (div->width == 0 && div->initval > 0)
+ return div->initval;
+
+ reg = readl(common->base + div->reg);
+
+ if (div->initval == 0 || DIV_GET_EN_CLK_DIV_FACTOR(reg))
+ clockdiv = cv1800_clk_regfield_get(reg, div);
+ else if (div->initval > 0)
+ clockdiv = div->initval;
+
+ return clockdiv;
+}
+
+static u32 div_helper_round_rate(struct cv1800_clk_regfield *div,
+ struct clk_hw *hw, struct clk_hw *parent,
+ unsigned long rate, unsigned long *prate)
+{
+ if (div->width == 0) {
+ if (div->initval <= 0)
+ return DIV_ROUND_UP_ULL(*prate, 1);
+ else
+ return DIV_ROUND_UP_ULL(*prate, div->initval);
+ }
+
+ return divider_round_rate_parent(hw, parent, rate, prate, NULL,
+ div->width, div->flags);
+}
+
+static long div_round_rate(struct clk_hw *parent, unsigned long *parent_rate,
+ unsigned long rate, int id, void *data)
+{
+ struct cv1800_clk_div *div = data;
+
+ return div_helper_round_rate(&div->div, &div->common.hw, parent,
+ rate, parent_rate);
+}
+
+static bool div_is_better_rate(struct cv1800_clk_common *common,
+ unsigned long target, unsigned long now,
+ unsigned long best)
+{
+ if (common->features & CLK_DIVIDER_ROUND_CLOSEST)
+ return abs_diff(target, now) < abs_diff(target, best);
+
+ return now <= target && now > best;
+}
+
+static int mux_helper_determine_rate(struct cv1800_clk_common *common,
+ struct clk_rate_request *req,
+ long (*round)(struct clk_hw *,
+ unsigned long *,
+ unsigned long,
+ int,
+ void *),
+ void *data)
+{
+ unsigned long best_parent_rate = 0, best_rate = 0;
+ struct clk_hw *best_parent, *hw = &common->hw;
+ unsigned int i;
+
+ if (clk_hw_get_flags(hw) & CLK_SET_RATE_NO_REPARENT) {
+ unsigned long adj_parent_rate;
+
+ best_parent = clk_hw_get_parent(hw);
+ best_parent_rate = clk_hw_get_rate(best_parent);
+
+ best_rate = round(best_parent, &adj_parent_rate,
+ req->rate, -1, data);
+
+ goto find;
+ }
+
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
+ unsigned long tmp_rate, parent_rate;
+ struct clk_hw *parent;
+
+ parent = clk_hw_get_parent_by_index(hw, i);
+ if (!parent)
+ continue;
+
+ parent_rate = clk_hw_get_rate(parent);
+
+ tmp_rate = round(parent, &parent_rate, req->rate, i, data);
+
+ if (tmp_rate == req->rate) {
+ best_parent = parent;
+ best_parent_rate = parent_rate;
+ best_rate = tmp_rate;
+ goto find;
+ }
+
+ if (div_is_better_rate(common, req->rate,
+ tmp_rate, best_rate)) {
+ best_parent = parent;
+ best_parent_rate = parent_rate;
+ best_rate = tmp_rate;
+ }
+ }
+
+ if (best_rate == 0)
+ return -EINVAL;
+
+find:
+ req->best_parent_hw = best_parent;
+ req->best_parent_rate = best_parent_rate;
+ req->rate = best_rate;
+ return 0;
+}
+
+static int div_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
+
+ return mux_helper_determine_rate(&div->common, req,
+ div_round_rate, div);
+}
+
+static unsigned long div_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
+ unsigned long val;
+
+ val = div_helper_get_clockdiv(&div->common, &div->div);
+ if (val == 0)
+ return 0;
+
+ return divider_recalc_rate(hw, parent_rate, val, NULL,
+ div->div.flags, div->div.width);
+}
+
+static int div_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
+ unsigned long val;
+
+ val = divider_get_val(rate, parent_rate, NULL,
+ div->div.width, div->div.flags);
+
+ return div_helper_set_rate(&div->common, &div->div, val);
+}
+
+const struct clk_ops cv1800_clk_div_ops = {
+ .disable = div_disable,
+ .enable = div_enable,
+ .is_enabled = div_is_enabled,
+
+ .determine_rate = div_determine_rate,
+ .recalc_rate = div_recalc_rate,
+ .set_rate = div_set_rate,
+};
+
+static inline struct cv1800_clk_bypass_div *
+hw_to_cv1800_clk_bypass_div(struct clk_hw *hw)
+{
+ struct cv1800_clk_div *div = hw_to_cv1800_clk_div(hw);
+
+ return container_of(div, struct cv1800_clk_bypass_div, div);
+}
+
+static long bypass_div_round_rate(struct clk_hw *parent,
+ unsigned long *parent_rate,
+ unsigned long rate, int id, void *data)
+{
+ struct cv1800_clk_bypass_div *div = data;
+
+ if (id == -1) {
+ if (cv1800_clk_checkbit(&div->div.common, &div->bypass))
+ return *parent_rate;
+ else
+ return div_round_rate(parent, parent_rate, rate,
+ -1, &div->div);
+ }
+
+ if (id == 0)
+ return *parent_rate;
+
+ return div_round_rate(parent, parent_rate, rate, id - 1, &div->div);
+}
+
+static int bypass_div_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
+
+ return mux_helper_determine_rate(&div->div.common, req,
+ bypass_div_round_rate, div);
+}
+
+static unsigned long bypass_div_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
+
+ if (cv1800_clk_checkbit(&div->div.common, &div->bypass))
+ return parent_rate;
+
+ return div_recalc_rate(hw, parent_rate);
+}
+
+static int bypass_div_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
+
+ if (cv1800_clk_checkbit(&div->div.common, &div->bypass))
+ return 0;
+
+ return div_set_rate(hw, rate, parent_rate);
+}
+
+static u8 bypass_div_get_parent(struct clk_hw *hw)
+{
+ struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
+
+ if (cv1800_clk_checkbit(&div->div.common, &div->bypass))
+ return 0;
+
+ return 1;
+}
+
+static int bypass_div_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct cv1800_clk_bypass_div *div = hw_to_cv1800_clk_bypass_div(hw);
+
+ if (index)
+ return cv1800_clk_clearbit(&div->div.common, &div->bypass);
+
+ return cv1800_clk_setbit(&div->div.common, &div->bypass);
+}
+
+const struct clk_ops cv1800_clk_bypass_div_ops = {
+ .disable = div_disable,
+ .enable = div_enable,
+ .is_enabled = div_is_enabled,
+
+ .determine_rate = bypass_div_determine_rate,
+ .recalc_rate = bypass_div_recalc_rate,
+ .set_rate = bypass_div_set_rate,
+
+ .set_parent = bypass_div_set_parent,
+ .get_parent = bypass_div_get_parent,
+};
+
+/* MUX */
+static inline struct cv1800_clk_mux *hw_to_cv1800_clk_mux(struct clk_hw *hw)
+{
+ struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
+
+ return container_of(common, struct cv1800_clk_mux, common);
+}
+
+static int mux_enable(struct clk_hw *hw)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+
+ return cv1800_clk_setbit(&mux->common, &mux->gate);
+}
+
+static void mux_disable(struct clk_hw *hw)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+
+ cv1800_clk_clearbit(&mux->common, &mux->gate);
+}
+
+static int mux_is_enabled(struct clk_hw *hw)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+
+ return cv1800_clk_checkbit(&mux->common, &mux->gate);
+}
+
+static long mux_round_rate(struct clk_hw *parent, unsigned long *parent_rate,
+ unsigned long rate, int id, void *data)
+{
+ struct cv1800_clk_mux *mux = data;
+
+ return div_helper_round_rate(&mux->div, &mux->common.hw, parent,
+ rate, parent_rate);
+}
+
+static int mux_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+
+ return mux_helper_determine_rate(&mux->common, req,
+ mux_round_rate, mux);
+}
+
+static unsigned long mux_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+ unsigned long val;
+
+ val = div_helper_get_clockdiv(&mux->common, &mux->div);
+ if (val == 0)
+ return 0;
+
+ return divider_recalc_rate(hw, parent_rate, val, NULL,
+ mux->div.flags, mux->div.width);
+}
+
+static int mux_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+ unsigned long val;
+
+ val = divider_get_val(rate, parent_rate, NULL,
+ mux->div.width, mux->div.flags);
+
+ return div_helper_set_rate(&mux->common, &mux->div, val);
+}
+
+static u8 mux_get_parent(struct clk_hw *hw)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+ u32 reg = readl(mux->common.base + mux->mux.reg);
+
+ return cv1800_clk_regfield_get(reg, &mux->mux);
+}
+
+static int _mux_set_parent(struct cv1800_clk_mux *mux, u8 index)
+{
+ u32 reg;
+
+ reg = readl(mux->common.base + mux->mux.reg);
+ reg = cv1800_clk_regfield_set(reg, index, &mux->mux);
+ writel(reg, mux->common.base + mux->mux.reg);
+
+ return 0;
+}
+
+static int mux_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+ unsigned long flags;
+
+ spin_lock_irqsave(mux->common.lock, flags);
+
+ _mux_set_parent(mux, index);
+
+ spin_unlock_irqrestore(mux->common.lock, flags);
+
+ return 0;
+}
+
+const struct clk_ops cv1800_clk_mux_ops = {
+ .disable = mux_disable,
+ .enable = mux_enable,
+ .is_enabled = mux_is_enabled,
+
+ .determine_rate = mux_determine_rate,
+ .recalc_rate = mux_recalc_rate,
+ .set_rate = mux_set_rate,
+
+ .set_parent = mux_set_parent,
+ .get_parent = mux_get_parent,
+};
+
+static inline struct cv1800_clk_bypass_mux *
+hw_to_cv1800_clk_bypass_mux(struct clk_hw *hw)
+{
+ struct cv1800_clk_mux *mux = hw_to_cv1800_clk_mux(hw);
+
+ return container_of(mux, struct cv1800_clk_bypass_mux, mux);
+}
+
+static long bypass_mux_round_rate(struct clk_hw *parent,
+ unsigned long *parent_rate,
+ unsigned long rate, int id, void *data)
+{
+ struct cv1800_clk_bypass_mux *mux = data;
+
+ if (id == -1) {
+ if (cv1800_clk_checkbit(&mux->mux.common, &mux->bypass))
+ return *parent_rate;
+ else
+ return mux_round_rate(parent, parent_rate, rate,
+ -1, &mux->mux);
+ }
+
+ if (id == 0)
+ return *parent_rate;
+
+ return mux_round_rate(parent, parent_rate, rate, id - 1, &mux->mux);
+}
+
+static int bypass_mux_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
+
+ return mux_helper_determine_rate(&mux->mux.common, req,
+ bypass_mux_round_rate, mux);
+}
+
+static unsigned long bypass_mux_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
+
+ if (cv1800_clk_checkbit(&mux->mux.common, &mux->bypass))
+ return parent_rate;
+
+ return mux_recalc_rate(hw, parent_rate);
+}
+
+static int bypass_mux_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
+
+ if (cv1800_clk_checkbit(&mux->mux.common, &mux->bypass))
+ return 0;
+
+ return mux_set_rate(hw, rate, parent_rate);
+}
+
+static u8 bypass_mux_get_parent(struct clk_hw *hw)
+{
+ struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
+
+ if (cv1800_clk_checkbit(&mux->mux.common, &mux->bypass))
+ return 0;
+
+ return mux_get_parent(hw) + 1;
+}
+
+static int bypass_mux_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct cv1800_clk_bypass_mux *mux = hw_to_cv1800_clk_bypass_mux(hw);
+
+ if (index == 0)
+ return cv1800_clk_setbit(&mux->mux.common, &mux->bypass);
+
+ return cv1800_clk_clearbit(&mux->mux.common, &mux->bypass);
+}
+
+const struct clk_ops cv1800_clk_bypass_mux_ops = {
+ .disable = mux_disable,
+ .enable = mux_enable,
+ .is_enabled = mux_is_enabled,
+
+ .determine_rate = bypass_mux_determine_rate,
+ .recalc_rate = bypass_mux_recalc_rate,
+ .set_rate = bypass_mux_set_rate,
+
+ .set_parent = bypass_mux_set_parent,
+ .get_parent = bypass_mux_get_parent,
+};
+
+/* MMUX */
+static inline struct cv1800_clk_mmux *hw_to_cv1800_clk_mmux(struct clk_hw *hw)
+{
+ struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
+
+ return container_of(common, struct cv1800_clk_mmux, common);
+}
+
+static u8 mmux_get_parent_id(struct cv1800_clk_mmux *mmux)
+{
+ struct clk_hw *hw = &mmux->common.hw;
+ struct clk_hw *parent = clk_hw_get_parent(hw);
+ unsigned int i;
+
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
+ if (parent == clk_hw_get_parent_by_index(hw, i))
+ return i;
+ }
+
+ unreachable();
+}
+
+static int mmux_enable(struct clk_hw *hw)
+{
+ struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
+
+ return cv1800_clk_setbit(&mmux->common, &mmux->gate);
+}
+
+static void mmux_disable(struct clk_hw *hw)
+{
+ struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
+
+ cv1800_clk_clearbit(&mmux->common, &mmux->gate);
+}
+
+static int mmux_is_enabled(struct clk_hw *hw)
+{
+ struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
+
+ return cv1800_clk_checkbit(&mmux->common, &mmux->gate);
+}
+
+static long mmux_round_rate(struct clk_hw *parent, unsigned long *parent_rate,
+ unsigned long rate, int id, void *data)
+{
+ struct cv1800_clk_mmux *mmux = data;
+ s8 div_id;
+
+ if (id == -1) {
+ if (cv1800_clk_checkbit(&mmux->common, &mmux->bypass))
+ return *parent_rate;
+
+ id = mmux_get_parent_id(mmux);
+ }
+
+ div_id = mmux->parent2sel[id];
+
+ if (div_id < 0)
+ return *parent_rate;
+
+ return div_helper_round_rate(&mmux->div[div_id],
+ &mmux->common.hw, parent,
+ rate, parent_rate);
+}
+
+static int mmux_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
+
+ return mux_helper_determine_rate(&mmux->common, req,
+ mmux_round_rate, mmux);
+}
+
+static unsigned long mmux_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
+ unsigned long val;
+ struct cv1800_clk_regfield *div;
+
+ if (cv1800_clk_checkbit(&mmux->common, &mmux->bypass))
+ return parent_rate;
+
+ if (cv1800_clk_checkbit(&mmux->common, &mmux->clk_sel))
+ div = &mmux->div[0];
+ else
+ div = &mmux->div[1];
+
+ val = div_helper_get_clockdiv(&mmux->common, div);
+ if (val == 0)
+ return 0;
+
+ return divider_recalc_rate(hw, parent_rate, val, NULL,
+ div->flags, div->width);
+}
+
+static int mmux_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
+ struct cv1800_clk_regfield *div;
+ unsigned long val;
+
+ if (cv1800_clk_checkbit(&mmux->common, &mmux->bypass))
+ return parent_rate;
+
+ if (cv1800_clk_checkbit(&mmux->common, &mmux->clk_sel))
+ div = &mmux->div[0];
+ else
+ div = &mmux->div[1];
+
+ val = divider_get_val(rate, parent_rate, NULL,
+ div->width, div->flags);
+
+ return div_helper_set_rate(&mmux->common, div, val);
+}
+
+static u8 mmux_get_parent(struct clk_hw *hw)
+{
+ struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
+ struct cv1800_clk_regfield *mux;
+ u32 reg;
+ s8 clk_sel;
+
+ if (cv1800_clk_checkbit(&mmux->common, &mmux->bypass))
+ return 0;
+
+ if (cv1800_clk_checkbit(&mmux->common, &mmux->clk_sel))
+ clk_sel = 0;
+ else
+ clk_sel = 1;
+ mux = &mmux->mux[clk_sel];
+
+ reg = readl(mmux->common.base + mux->reg);
+
+ return mmux->sel2parent[clk_sel][cv1800_clk_regfield_get(reg, mux)];
+}
+
+static int mmux_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct cv1800_clk_mmux *mmux = hw_to_cv1800_clk_mmux(hw);
+ struct cv1800_clk_regfield *mux;
+ unsigned long flags;
+ u32 reg;
+ s8 clk_sel = mmux->parent2sel[index];
+
+ if (index == 0 || clk_sel == -1) {
+ cv1800_clk_setbit(&mmux->common, &mmux->bypass);
+ goto release;
+ }
+
+ cv1800_clk_clearbit(&mmux->common, &mmux->bypass);
+
+ if (clk_sel)
+ cv1800_clk_clearbit(&mmux->common, &mmux->clk_sel);
+ else
+ cv1800_clk_setbit(&mmux->common, &mmux->clk_sel);
+
+ spin_lock_irqsave(mmux->common.lock, flags);
+
+ mux = &mmux->mux[clk_sel];
+ reg = readl(mmux->common.base + mux->reg);
+ reg = cv1800_clk_regfield_set(reg, index, mux);
+
+ writel(reg, mmux->common.base + mux->reg);
+
+ spin_unlock_irqrestore(mmux->common.lock, flags);
+
+release:
+ return 0;
+}
+
+const struct clk_ops cv1800_clk_mmux_ops = {
+ .disable = mmux_disable,
+ .enable = mmux_enable,
+ .is_enabled = mmux_is_enabled,
+
+ .determine_rate = mmux_determine_rate,
+ .recalc_rate = mmux_recalc_rate,
+ .set_rate = mmux_set_rate,
+
+ .set_parent = mmux_set_parent,
+ .get_parent = mmux_get_parent,
+};
+
+/* AUDIO CLK */
+static inline struct cv1800_clk_audio *
+hw_to_cv1800_clk_audio(struct clk_hw *hw)
+{
+ struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
+
+ return container_of(common, struct cv1800_clk_audio, common);
+}
+
+static int aclk_enable(struct clk_hw *hw)
+{
+ struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
+
+ cv1800_clk_setbit(&aclk->common, &aclk->src_en);
+ return cv1800_clk_setbit(&aclk->common, &aclk->output_en);
+}
+
+static void aclk_disable(struct clk_hw *hw)
+{
+ struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
+
+ cv1800_clk_clearbit(&aclk->common, &aclk->output_en);
+ cv1800_clk_clearbit(&aclk->common, &aclk->src_en);
+}
+
+static int aclk_is_enabled(struct clk_hw *hw)
+{
+ struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
+
+ return cv1800_clk_checkbit(&aclk->common, &aclk->output_en);
+}
+
+static int aclk_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
+
+ req->rate = aclk->target_rate;
+
+ return 0;
+}
+
+static unsigned long aclk_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
+ u64 rate = parent_rate;
+ u64 factor = 2;
+ u32 regval;
+
+ if (!cv1800_clk_checkbit(&aclk->common, &aclk->div_en))
+ return 0;
+
+ regval = readl(aclk->common.base + aclk->m.reg);
+ factor *= cv1800_clk_regfield_get(regval, &aclk->m);
+
+ regval = readl(aclk->common.base + aclk->n.reg);
+ rate *= cv1800_clk_regfield_get(regval, &aclk->n);
+
+ return DIV64_U64_ROUND_UP(rate, factor);
+}
+
+static void aclk_determine_mn(unsigned long parent_rate, unsigned long rate,
+ u32 *m, u32 *n)
+{
+ u32 tm = parent_rate / 2;
+ u32 tn = rate;
+ u32 tcommon = gcd(tm, tn);
+ *m = tm / tcommon;
+ *n = tn / tcommon;
+}
+
+static int aclk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_audio *aclk = hw_to_cv1800_clk_audio(hw);
+ unsigned long flags;
+ u32 m, n;
+
+ aclk_determine_mn(parent_rate, rate,
+ &m, &n);
+
+ spin_lock_irqsave(aclk->common.lock, flags);
+
+ writel(m, aclk->common.base + aclk->m.reg);
+ writel(n, aclk->common.base + aclk->n.reg);
+
+ cv1800_clk_setbit(&aclk->common, &aclk->div_en);
+ cv1800_clk_setbit(&aclk->common, &aclk->div_up);
+
+ spin_unlock_irqrestore(aclk->common.lock, flags);
+
+ return 0;
+}
+
+const struct clk_ops cv1800_clk_audio_ops = {
+ .disable = aclk_disable,
+ .enable = aclk_enable,
+ .is_enabled = aclk_is_enabled,
+
+ .determine_rate = aclk_determine_rate,
+ .recalc_rate = aclk_recalc_rate,
+ .set_rate = aclk_set_rate,
+};
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#ifndef _CLK_SOPHGO_CV1800_IP_H_
+#define _CLK_SOPHGO_CV1800_IP_H_
+
+#include "clk-cv18xx-common.h"
+
+struct cv1800_clk_gate {
+ struct cv1800_clk_common common;
+ struct cv1800_clk_regbit gate;
+};
+
+struct cv1800_clk_div_data {
+ u32 reg;
+ u32 mask;
+ u32 width;
+ u32 init;
+ u32 flags;
+};
+
+struct cv1800_clk_div {
+ struct cv1800_clk_common common;
+ struct cv1800_clk_regbit gate;
+ struct cv1800_clk_regfield div;
+};
+
+struct cv1800_clk_bypass_div {
+ struct cv1800_clk_div div;
+ struct cv1800_clk_regbit bypass;
+};
+
+struct cv1800_clk_mux {
+ struct cv1800_clk_common common;
+ struct cv1800_clk_regbit gate;
+ struct cv1800_clk_regfield div;
+ struct cv1800_clk_regfield mux;
+};
+
+struct cv1800_clk_bypass_mux {
+ struct cv1800_clk_mux mux;
+ struct cv1800_clk_regbit bypass;
+};
+
+struct cv1800_clk_mmux {
+ struct cv1800_clk_common common;
+ struct cv1800_clk_regbit gate;
+ struct cv1800_clk_regfield div[2];
+ struct cv1800_clk_regfield mux[2];
+ struct cv1800_clk_regbit bypass;
+ struct cv1800_clk_regbit clk_sel;
+ const s8 *parent2sel;
+ const u8 *sel2parent[2];
+};
+
+struct cv1800_clk_audio {
+ struct cv1800_clk_common common;
+ struct cv1800_clk_regbit src_en;
+ struct cv1800_clk_regbit output_en;
+ struct cv1800_clk_regbit div_en;
+ struct cv1800_clk_regbit div_up;
+ struct cv1800_clk_regfield m;
+ struct cv1800_clk_regfield n;
+ u32 target_rate;
+};
+
+#define CV1800_GATE(_name, _parent, _gate_reg, _gate_shift, _flags) \
+ struct cv1800_clk_gate _name = { \
+ .common = CV1800_CLK_COMMON(#_name, _parent, \
+ &cv1800_clk_gate_ops, \
+ _flags), \
+ .gate = CV1800_CLK_BIT(_gate_reg, _gate_shift), \
+ }
+
+#define _CV1800_DIV(_name, _parent, _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, _div_init, \
+ _div_flag, _ops, _flags) \
+ { \
+ .common = CV1800_CLK_COMMON(#_name, _parent, \
+ _ops, _flags), \
+ .gate = CV1800_CLK_BIT(_gate_reg, \
+ _gate_shift), \
+ .div = CV1800_CLK_REG(_div_reg, _div_shift, \
+ _div_width, _div_init, \
+ _div_flag), \
+ }
+
+#define _CV1800_FIXED_DIV_FLAG \
+ (CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ROUND_CLOSEST)
+
+#define _CV1800_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift, \
+ _fix_div, _ops, _flags) \
+ { \
+ .common = CV1800_CLK_COMMON(#_name, _parent, \
+ _ops, _flags), \
+ .gate = CV1800_CLK_BIT(_gate_reg, \
+ _gate_shift), \
+ .div = CV1800_CLK_REG(0, 0, 0, \
+ _fix_div, \
+ _CV1800_FIXED_DIV_FLAG),\
+ }
+
+#define CV1800_DIV(_name, _parent, _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, _div_init, \
+ _div_flag, _flags) \
+ struct cv1800_clk_div _name = \
+ _CV1800_DIV(_name, _parent, _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, _div_init,\
+ _div_flag, &cv1800_clk_div_ops, _flags)
+
+#define CV1800_BYPASS_DIV(_name, _parent, _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, _div_init, \
+ _div_flag, _bypass_reg, _bypass_shift, _flags)\
+ struct cv1800_clk_bypass_div _name = { \
+ .div = _CV1800_DIV(_name, _parent, \
+ _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, \
+ _div_width, _div_init, _div_flag, \
+ &cv1800_clk_bypass_div_ops, \
+ _flags), \
+ .bypass = CV1800_CLK_BIT(_bypass_reg, _bypass_shift), \
+ }
+
+#define CV1800_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift, \
+ _fix_div, _flags) \
+ struct cv1800_clk_div _name = \
+ _CV1800_FIXED_DIV(_name, _parent, \
+ _gate_reg, _gate_shift, \
+ _fix_div, \
+ &cv1800_clk_div_ops, _flags) \
+
+#define CV1800_BYPASS_FIXED_DIV(_name, _parent, _gate_reg, _gate_shift, \
+ _fix_div, _bypass_reg, _bypass_shift, \
+ _flags) \
+ struct cv1800_clk_bypass_div _name = { \
+ .div = _CV1800_FIXED_DIV(_name, _parent, \
+ _gate_reg, _gate_shift, \
+ _fix_div, \
+ &cv1800_clk_bypass_div_ops, \
+ _flags), \
+ .bypass = CV1800_CLK_BIT(_bypass_reg, _bypass_shift), \
+ }
+
+#define _CV1800_MUX(_name, _parent, _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, _div_init, \
+ _div_flag, \
+ _mux_reg, _mux_shift, _mux_width, \
+ _ops, _flags) \
+ { \
+ .common = CV1800_CLK_COMMON(#_name, _parent, \
+ _ops, _flags), \
+ .gate = CV1800_CLK_BIT(_gate_reg, \
+ _gate_shift), \
+ .div = CV1800_CLK_REG(_div_reg, _div_shift, \
+ _div_width, _div_init, \
+ _div_flag), \
+ .mux = CV1800_CLK_REG(_mux_reg, _mux_shift, \
+ _mux_width, 0, 0), \
+ }
+
+#define CV1800_MUX(_name, _parent, _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, _div_init, \
+ _div_flag, \
+ _mux_reg, _mux_shift, _mux_width, _flags) \
+ struct cv1800_clk_mux _name = \
+ _CV1800_MUX(_name, _parent, _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, _div_init,\
+ _div_flag, _mux_reg, _mux_shift, _mux_width,\
+ &cv1800_clk_mux_ops, _flags)
+
+#define CV1800_BYPASS_MUX(_name, _parent, _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, _div_init, \
+ _div_flag, \
+ _mux_reg, _mux_shift, _mux_width, \
+ _bypass_reg, _bypass_shift, _flags) \
+ struct cv1800_clk_bypass_mux _name = { \
+ .mux = _CV1800_MUX(_name, _parent, \
+ _gate_reg, _gate_shift, \
+ _div_reg, _div_shift, _div_width, \
+ _div_init, _div_flag, \
+ _mux_reg, _mux_shift, _mux_width, \
+ &cv1800_clk_bypass_mux_ops, \
+ _flags), \
+ .bypass = CV1800_CLK_BIT(_bypass_reg, _bypass_shift), \
+ }
+
+#define CV1800_MMUX(_name, _parent, _gate_reg, _gate_shift, \
+ _div0_reg, _div0_shift, _div0_width, _div0_init, \
+ _div0_flag, \
+ _div1_reg, _div1_shift, _div1_width, _div1_init, \
+ _div1_flag, \
+ _mux0_reg, _mux0_shift, _mux0_width, \
+ _mux1_reg, _mux1_shift, _mux1_width, \
+ _bypass_reg, _bypass_shift, \
+ _clk_sel_reg, _clk_sel_shift, \
+ _parent2sel, _sel2parent0, _sel2parent1, _flags) \
+ struct cv1800_clk_mmux _name = { \
+ .common = CV1800_CLK_COMMON(#_name, _parent, \
+ &cv1800_clk_mmux_ops,\
+ _flags), \
+ .gate = CV1800_CLK_BIT(_gate_reg, _gate_shift),\
+ .div = { \
+ CV1800_CLK_REG(_div0_reg, _div0_shift, \
+ _div0_width, _div0_init, \
+ _div0_flag), \
+ CV1800_CLK_REG(_div1_reg, _div1_shift, \
+ _div1_width, _div1_init, \
+ _div1_flag), \
+ }, \
+ .mux = { \
+ CV1800_CLK_REG(_mux0_reg, _mux0_shift, \
+ _mux0_width, 0, 0), \
+ CV1800_CLK_REG(_mux1_reg, _mux1_shift, \
+ _mux1_width, 0, 0), \
+ }, \
+ .bypass = CV1800_CLK_BIT(_bypass_reg, \
+ _bypass_shift), \
+ .clk_sel = CV1800_CLK_BIT(_clk_sel_reg, \
+ _clk_sel_shift), \
+ .parent2sel = _parent2sel, \
+ .sel2parent = { _sel2parent0, _sel2parent1 }, \
+ }
+
+#define CV1800_ACLK(_name, _parent, \
+ _src_en_reg, _src_en_reg_shift, \
+ _output_en_reg, _output_en_shift, \
+ _div_en_reg, _div_en_reg_shift, \
+ _div_up_reg, _div_up_reg_shift, \
+ _m_reg, _m_shift, _m_width, _m_flag, \
+ _n_reg, _n_shift, _n_width, _n_flag, \
+ _target_rate, _flags) \
+ struct cv1800_clk_audio _name = { \
+ .common = CV1800_CLK_COMMON(#_name, _parent, \
+ &cv1800_clk_audio_ops,\
+ _flags), \
+ .src_en = CV1800_CLK_BIT(_src_en_reg, \
+ _src_en_reg_shift), \
+ .output_en = CV1800_CLK_BIT(_output_en_reg, \
+ _output_en_shift), \
+ .div_en = CV1800_CLK_BIT(_div_en_reg, \
+ _div_en_reg_shift), \
+ .div_up = CV1800_CLK_BIT(_div_up_reg, \
+ _div_up_reg_shift), \
+ .m = CV1800_CLK_REG(_m_reg, _m_shift, \
+ _m_width, 0, _m_flag), \
+ .n = CV1800_CLK_REG(_n_reg, _n_shift, \
+ _n_width, 0, _n_flag), \
+ .target_rate = _target_rate, \
+ }
+
+extern const struct clk_ops cv1800_clk_gate_ops;
+extern const struct clk_ops cv1800_clk_div_ops;
+extern const struct clk_ops cv1800_clk_bypass_div_ops;
+extern const struct clk_ops cv1800_clk_mux_ops;
+extern const struct clk_ops cv1800_clk_bypass_mux_ops;
+extern const struct clk_ops cv1800_clk_mmux_ops;
+extern const struct clk_ops cv1800_clk_audio_ops;
+
+#endif // _CLK_SOPHGO_CV1800_IP_H_
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/limits.h>
+#include <linux/spinlock.h>
+
+#include "clk-cv18xx-pll.h"
+
+static inline struct cv1800_clk_pll *hw_to_cv1800_clk_pll(struct clk_hw *hw)
+{
+ struct cv1800_clk_common *common = hw_to_cv1800_clk_common(hw);
+
+ return container_of(common, struct cv1800_clk_pll, common);
+}
+
+static unsigned long ipll_calc_rate(unsigned long parent_rate,
+ unsigned long pre_div_sel,
+ unsigned long div_sel,
+ unsigned long post_div_sel)
+{
+ uint64_t rate = parent_rate;
+
+ rate *= div_sel;
+ do_div(rate, pre_div_sel * post_div_sel);
+
+ return rate;
+}
+
+static unsigned long ipll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+ u32 value;
+
+ value = readl(pll->common.base + pll->pll_reg);
+
+ return ipll_calc_rate(parent_rate,
+ PLL_GET_PRE_DIV_SEL(value),
+ PLL_GET_DIV_SEL(value),
+ PLL_GET_POST_DIV_SEL(value));
+}
+
+static int ipll_find_rate(const struct cv1800_clk_pll_limit *limit,
+ unsigned long prate, unsigned long *rate,
+ u32 *value)
+{
+ unsigned long best_rate = 0;
+ unsigned long trate = *rate;
+ unsigned long pre_div_sel = 0, div_sel = 0, post_div_sel = 0;
+ unsigned long pre, div, post;
+ u32 detected = *value;
+ unsigned long tmp;
+
+ for_each_pll_limit_range(pre, &limit->pre_div) {
+ for_each_pll_limit_range(div, &limit->div) {
+ for_each_pll_limit_range(post, &limit->post_div) {
+ tmp = ipll_calc_rate(prate, pre, div, post);
+
+ if (tmp > trate)
+ continue;
+
+ if ((trate - tmp) < (trate - best_rate)) {
+ best_rate = tmp;
+ pre_div_sel = pre;
+ div_sel = div;
+ post_div_sel = post;
+ }
+ }
+ }
+ }
+
+ if (best_rate) {
+ detected = PLL_SET_PRE_DIV_SEL(detected, pre_div_sel);
+ detected = PLL_SET_POST_DIV_SEL(detected, post_div_sel);
+ detected = PLL_SET_DIV_SEL(detected, div_sel);
+ *value = detected;
+ *rate = best_rate;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int ipll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
+{
+ u32 val;
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+
+ return ipll_find_rate(pll->pll_limit, req->best_parent_rate,
+ &req->rate, &val);
+}
+
+static void pll_get_mode_ctrl(unsigned long div_sel,
+ bool (*mode_ctrl_check)(unsigned long,
+ unsigned long,
+ unsigned long),
+ const struct cv1800_clk_pll_limit *limit,
+ u32 *value)
+{
+ unsigned long ictrl = 0, mode = 0;
+ u32 detected = *value;
+
+ for_each_pll_limit_range(mode, &limit->mode) {
+ for_each_pll_limit_range(ictrl, &limit->ictrl) {
+ if (mode_ctrl_check(div_sel, ictrl, mode)) {
+ detected = PLL_SET_SEL_MODE(detected, mode);
+ detected = PLL_SET_ICTRL(detected, ictrl);
+ *value = detected;
+ return;
+ }
+ }
+ }
+}
+
+static bool ipll_check_mode_ctrl_restrict(unsigned long div_sel,
+ unsigned long ictrl,
+ unsigned long mode)
+{
+ unsigned long left_rest = 20 * div_sel;
+ unsigned long right_rest = 35 * div_sel;
+ unsigned long test = 184 * (1 + mode) * (1 + ictrl) / 2;
+
+ return test > left_rest && test <= right_rest;
+}
+
+static int ipll_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ u32 regval, detected = 0;
+ unsigned long flags;
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+
+ ipll_find_rate(pll->pll_limit, parent_rate, &rate, &detected);
+ pll_get_mode_ctrl(PLL_GET_DIV_SEL(detected),
+ ipll_check_mode_ctrl_restrict,
+ pll->pll_limit, &detected);
+
+ spin_lock_irqsave(pll->common.lock, flags);
+
+ regval = readl(pll->common.base + pll->pll_reg);
+ regval = PLL_COPY_REG(regval, detected);
+
+ writel(regval, pll->common.base + pll->pll_reg);
+
+ spin_unlock_irqrestore(pll->common.lock, flags);
+
+ cv1800_clk_wait_for_lock(&pll->common, pll->pll_status.reg,
+ BIT(pll->pll_status.shift));
+
+ return 0;
+}
+
+static int pll_enable(struct clk_hw *hw)
+{
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+
+ return cv1800_clk_clearbit(&pll->common, &pll->pll_pwd);
+}
+
+static void pll_disable(struct clk_hw *hw)
+{
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+
+ cv1800_clk_setbit(&pll->common, &pll->pll_pwd);
+}
+
+static int pll_is_enable(struct clk_hw *hw)
+{
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+
+ return cv1800_clk_checkbit(&pll->common, &pll->pll_pwd) == 0;
+}
+
+const struct clk_ops cv1800_clk_ipll_ops = {
+ .disable = pll_disable,
+ .enable = pll_enable,
+ .is_enabled = pll_is_enable,
+
+ .recalc_rate = ipll_recalc_rate,
+ .determine_rate = ipll_determine_rate,
+ .set_rate = ipll_set_rate,
+};
+
+#define PLL_SYN_FACTOR_DOT_POS 26
+#define PLL_SYN_FACTOR_MINIMUM ((4 << PLL_SYN_FACTOR_DOT_POS) + 1)
+
+static bool fpll_is_factional_mode(struct cv1800_clk_pll *pll)
+{
+ return cv1800_clk_checkbit(&pll->common, &pll->pll_syn->en);
+}
+
+static unsigned long fpll_calc_rate(unsigned long parent_rate,
+ unsigned long pre_div_sel,
+ unsigned long div_sel,
+ unsigned long post_div_sel,
+ unsigned long ssc_syn_set,
+ bool is_full_parent)
+{
+ u64 dividend = parent_rate * div_sel;
+ u64 factor = ssc_syn_set * pre_div_sel * post_div_sel;
+ unsigned long rate;
+
+ dividend <<= PLL_SYN_FACTOR_DOT_POS - 1;
+ rate = dividend / factor;
+ dividend %= factor;
+
+ if (is_full_parent) {
+ dividend <<= 1;
+ rate <<= 1;
+ }
+
+ rate += DIV64_U64_ROUND_CLOSEST(dividend, factor);
+
+ return rate;
+}
+
+static unsigned long fpll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+ u32 value;
+ bool clk_full;
+ u32 syn_set;
+
+ if (!fpll_is_factional_mode(pll))
+ return ipll_recalc_rate(hw, parent_rate);
+
+ syn_set = readl(pll->common.base + pll->pll_syn->set);
+
+ if (syn_set == 0)
+ return 0;
+
+ clk_full = cv1800_clk_checkbit(&pll->common,
+ &pll->pll_syn->clk_half);
+
+ value = readl(pll->common.base + pll->pll_reg);
+
+ return fpll_calc_rate(parent_rate,
+ PLL_GET_PRE_DIV_SEL(value),
+ PLL_GET_DIV_SEL(value),
+ PLL_GET_POST_DIV_SEL(value),
+ syn_set, clk_full);
+}
+
+static unsigned long fpll_find_synthesizer(unsigned long parent,
+ unsigned long rate,
+ unsigned long pre_div,
+ unsigned long div,
+ unsigned long post_div,
+ bool is_full_parent,
+ u32 *ssc_syn_set)
+{
+ u32 test_max = U32_MAX, test_min = PLL_SYN_FACTOR_MINIMUM;
+ unsigned long trate;
+
+ while (test_min < test_max) {
+ u32 tssc = (test_max + test_min) / 2;
+
+ trate = fpll_calc_rate(parent, pre_div, div, post_div,
+ tssc, is_full_parent);
+
+ if (trate == rate) {
+ test_min = tssc;
+ break;
+ }
+
+ if (trate > rate)
+ test_min = tssc + 1;
+ else
+ test_max = tssc - 1;
+ }
+
+ if (trate != 0)
+ *ssc_syn_set = test_min;
+
+ return trate;
+}
+
+static int fpll_find_rate(struct cv1800_clk_pll *pll,
+ const struct cv1800_clk_pll_limit *limit,
+ unsigned long prate,
+ unsigned long *rate,
+ u32 *value, u32 *ssc_syn_set)
+{
+ unsigned long best_rate = 0;
+ unsigned long pre_div_sel = 0, div_sel = 0, post_div_sel = 0;
+ unsigned long pre, div, post;
+ unsigned long trate = *rate;
+ u32 detected = *value;
+ unsigned long tmp;
+ bool clk_full = cv1800_clk_checkbit(&pll->common,
+ &pll->pll_syn->clk_half);
+
+ for_each_pll_limit_range(pre, &limit->pre_div) {
+ for_each_pll_limit_range(post, &limit->post_div) {
+ for_each_pll_limit_range(div, &limit->div) {
+ tmp = fpll_find_synthesizer(prate, trate,
+ pre, div, post,
+ clk_full,
+ ssc_syn_set);
+
+ if ((trate - tmp) < (trate - best_rate)) {
+ best_rate = tmp;
+ pre_div_sel = pre;
+ div_sel = div;
+ post_div_sel = post;
+ }
+ }
+ }
+ }
+
+ if (best_rate) {
+ detected = PLL_SET_PRE_DIV_SEL(detected, pre_div_sel);
+ detected = PLL_SET_POST_DIV_SEL(detected, post_div_sel);
+ detected = PLL_SET_DIV_SEL(detected, div_sel);
+ *value = detected;
+ *rate = best_rate;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int fpll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
+{
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+ u32 val, ssc_syn_set;
+
+ if (!fpll_is_factional_mode(pll))
+ return ipll_determine_rate(hw, req);
+
+ fpll_find_rate(pll, &pll->pll_limit[2], req->best_parent_rate,
+ &req->rate, &val, &ssc_syn_set);
+
+ return 0;
+}
+
+static bool fpll_check_mode_ctrl_restrict(unsigned long div_sel,
+ unsigned long ictrl,
+ unsigned long mode)
+{
+ unsigned long left_rest = 10 * div_sel;
+ unsigned long right_rest = 24 * div_sel;
+ unsigned long test = 184 * (1 + mode) * (1 + ictrl) / 2;
+
+ return test > left_rest && test <= right_rest;
+}
+
+static int fpll_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ u32 regval;
+ u32 detected = 0, detected_ssc = 0;
+ unsigned long flags;
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+
+ if (!fpll_is_factional_mode(pll))
+ return ipll_set_rate(hw, rate, parent_rate);
+
+ fpll_find_rate(pll, &pll->pll_limit[2], parent_rate,
+ &rate, &detected, &detected_ssc);
+ pll_get_mode_ctrl(PLL_GET_DIV_SEL(detected),
+ fpll_check_mode_ctrl_restrict,
+ pll->pll_limit, &detected);
+
+ spin_lock_irqsave(pll->common.lock, flags);
+
+ writel(detected_ssc, pll->common.base + pll->pll_syn->set);
+
+ regval = readl(pll->common.base + pll->pll_reg);
+ regval = PLL_COPY_REG(regval, detected);
+
+ writel(regval, pll->common.base + pll->pll_reg);
+
+ spin_unlock_irqrestore(pll->common.lock, flags);
+
+ cv1800_clk_wait_for_lock(&pll->common, pll->pll_status.reg,
+ BIT(pll->pll_status.shift));
+
+ return 0;
+}
+
+static u8 fpll_get_parent(struct clk_hw *hw)
+{
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+
+ if (fpll_is_factional_mode(pll))
+ return 1;
+
+ return 0;
+}
+
+static int fpll_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct cv1800_clk_pll *pll = hw_to_cv1800_clk_pll(hw);
+
+ if (index)
+ cv1800_clk_setbit(&pll->common, &pll->pll_syn->en);
+ else
+ cv1800_clk_clearbit(&pll->common, &pll->pll_syn->en);
+
+ return 0;
+}
+
+const struct clk_ops cv1800_clk_fpll_ops = {
+ .disable = pll_disable,
+ .enable = pll_enable,
+ .is_enabled = pll_is_enable,
+
+ .recalc_rate = fpll_recalc_rate,
+ .determine_rate = fpll_determine_rate,
+ .set_rate = fpll_set_rate,
+
+ .set_parent = fpll_set_parent,
+ .get_parent = fpll_get_parent,
+};
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#ifndef _CLK_SOPHGO_CV1800_PLL_H_
+#define _CLK_SOPHGO_CV1800_PLL_H_
+
+#include "clk-cv18xx-common.h"
+
+struct cv1800_clk_pll_limit {
+ struct {
+ u8 min;
+ u8 max;
+ } pre_div, div, post_div, ictrl, mode;
+};
+
+#define _CV1800_PLL_LIMIT(_min, _max) \
+ { \
+ .min = _min, \
+ .max = _max, \
+ } \
+
+#define for_each_pll_limit_range(_var, _restrict) \
+ for (_var = (_restrict)->min; _var <= (_restrict)->max; _var++)
+
+struct cv1800_clk_pll_synthesizer {
+ struct cv1800_clk_regbit en;
+ struct cv1800_clk_regbit clk_half;
+ u32 ctrl;
+ u32 set;
+};
+
+#define _PLL_PRE_DIV_SEL_FIELD GENMASK(6, 0)
+#define _PLL_POST_DIV_SEL_FIELD GENMASK(14, 8)
+#define _PLL_SEL_MODE_FIELD GENMASK(16, 15)
+#define _PLL_DIV_SEL_FIELD GENMASK(23, 17)
+#define _PLL_ICTRL_FIELD GENMASK(26, 24)
+
+#define _PLL_ALL_FIELD_MASK \
+ (_PLL_PRE_DIV_SEL_FIELD | \
+ _PLL_POST_DIV_SEL_FIELD | \
+ _PLL_SEL_MODE_FIELD | \
+ _PLL_DIV_SEL_FIELD | \
+ _PLL_ICTRL_FIELD)
+
+#define PLL_COPY_REG(_dest, _src) \
+ (((_dest) & (~_PLL_ALL_FIELD_MASK)) | ((_src) & _PLL_ALL_FIELD_MASK))
+
+#define PLL_GET_PRE_DIV_SEL(_reg) \
+ FIELD_GET(_PLL_PRE_DIV_SEL_FIELD, (_reg))
+#define PLL_GET_POST_DIV_SEL(_reg) \
+ FIELD_GET(_PLL_POST_DIV_SEL_FIELD, (_reg))
+#define PLL_GET_SEL_MODE(_reg) \
+ FIELD_GET(_PLL_SEL_MODE_FIELD, (_reg))
+#define PLL_GET_DIV_SEL(_reg) \
+ FIELD_GET(_PLL_DIV_SEL_FIELD, (_reg))
+#define PLL_GET_ICTRL(_reg) \
+ FIELD_GET(_PLL_ICTRL_FIELD, (_reg))
+
+#define PLL_SET_PRE_DIV_SEL(_reg, _val) \
+ _CV1800_SET_FIELD((_reg), (_val), _PLL_PRE_DIV_SEL_FIELD)
+#define PLL_SET_POST_DIV_SEL(_reg, _val) \
+ _CV1800_SET_FIELD((_reg), (_val), _PLL_POST_DIV_SEL_FIELD)
+#define PLL_SET_SEL_MODE(_reg, _val) \
+ _CV1800_SET_FIELD((_reg), (_val), _PLL_SEL_MODE_FIELD)
+#define PLL_SET_DIV_SEL(_reg, _val) \
+ _CV1800_SET_FIELD((_reg), (_val), _PLL_DIV_SEL_FIELD)
+#define PLL_SET_ICTRL(_reg, _val) \
+ _CV1800_SET_FIELD((_reg), (_val), _PLL_ICTRL_FIELD)
+
+struct cv1800_clk_pll {
+ struct cv1800_clk_common common;
+ u32 pll_reg;
+ struct cv1800_clk_regbit pll_pwd;
+ struct cv1800_clk_regbit pll_status;
+ const struct cv1800_clk_pll_limit *pll_limit;
+ struct cv1800_clk_pll_synthesizer *pll_syn;
+};
+
+#define CV1800_INTEGRAL_PLL(_name, _parent, _pll_reg, \
+ _pll_pwd_reg, _pll_pwd_shift, \
+ _pll_status_reg, _pll_status_shift, \
+ _pll_limit, _flags) \
+ struct cv1800_clk_pll _name = { \
+ .common = CV1800_CLK_COMMON(#_name, _parent, \
+ &cv1800_clk_ipll_ops,\
+ _flags), \
+ .pll_reg = _pll_reg, \
+ .pll_pwd = CV1800_CLK_BIT(_pll_pwd_reg, \
+ _pll_pwd_shift), \
+ .pll_status = CV1800_CLK_BIT(_pll_status_reg, \
+ _pll_status_shift), \
+ .pll_limit = _pll_limit, \
+ .pll_syn = NULL, \
+ }
+
+#define CV1800_FACTIONAL_PLL(_name, _parent, _pll_reg, \
+ _pll_pwd_reg, _pll_pwd_shift, \
+ _pll_status_reg, _pll_status_shift, \
+ _pll_limit, _pll_syn, _flags) \
+ struct cv1800_clk_pll _name = { \
+ .common = CV1800_CLK_COMMON(#_name, _parent, \
+ &cv1800_clk_fpll_ops,\
+ _flags), \
+ .pll_reg = _pll_reg, \
+ .pll_pwd = CV1800_CLK_BIT(_pll_pwd_reg, \
+ _pll_pwd_shift), \
+ .pll_status = CV1800_CLK_BIT(_pll_status_reg, \
+ _pll_status_shift), \
+ .pll_limit = _pll_limit, \
+ .pll_syn = _pll_syn, \
+ }
+
+extern const struct clk_ops cv1800_clk_ipll_ops;
+extern const struct clk_ops cv1800_clk_fpll_ops;
+
+#endif // _CLK_SOPHGO_CV1800_PLL_H_
projects / linux.git / commitdiff