arm64: dts: renesas: Add Renesas R8A779H0 SoC support

Add initial support for the Renesas R-Car V4M (R8A779H0) SoC.

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/4107bc3d7c31932da29e671ddf4b1564ba38a84c.1706194617.git.geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
new file mode 100644 (file)
index 0000000..a082e2d
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the R-Car V4M (R8A779H0) SoC
+ *
+ * Copyright (C) 2023 Renesas Electronics Corp.
+ */
+
+#include <dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/renesas,r8a779h0-sysc.h>
+
+/ {
+       compatible = "renesas,r8a779h0";
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               a76_0: cpu@0 {
+                       compatible = "arm,cortex-a76";
+                       reg = <0>;
+                       device_type = "cpu";
+                       power-domains = <&sysc R8A779H0_PD_A1E0D0C0>;
+               };
+       };
+
+       extal_clk: extal-clk {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               /* This value must be overridden by the board */
+               clock-frequency = <0>;
+       };
+
+       extalr_clk: extalr-clk {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               /* This value must be overridden by the board */
+               clock-frequency = <0>;
+       };
+
+       pmu-a76 {
+               compatible = "arm,cortex-a76-pmu";
+               interrupts-extended = <&gic GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
+       };
+
+       /* External SCIF clock - to be overridden by boards that provide it */
+       scif_clk: scif-clk {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+       };
+
+       soc: soc {
+               compatible = "simple-bus";
+               interrupt-parent = <&gic>;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               cpg: clock-controller@e6150000 {
+                       compatible = "renesas,r8a779h0-cpg-mssr";
+                       reg = <0 0xe6150000 0 0x4000>;
+                       clocks = <&extal_clk>, <&extalr_clk>;
+                       clock-names = "extal", "extalr";
+                       #clock-cells = <2>;
+                       #power-domain-cells = <0>;
+                       #reset-cells = <1>;
+               };
+
+               rst: reset-controller@e6160000 {
+                       compatible = "renesas,r8a779h0-rst";
+                       reg = <0 0xe6160000 0 0x4000>;
+               };
+
+               sysc: system-controller@e6180000 {
+                       compatible = "renesas,r8a779h0-sysc";
+                       reg = <0 0xe6180000 0 0x4000>;
+                       #power-domain-cells = <1>;
+               };
+
+               hscif0: serial@e6540000 {
+                       compatible = "renesas,hscif-r8a779h0",
+                                    "renesas,rcar-gen4-hscif", "renesas,hscif";
+                       reg = <0 0xe6540000 0 0x60>;
+                       interrupts = <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 514>,
+                                <&cpg CPG_CORE R8A779H0_CLK_SASYNCPERD1>,
+                                <&scif_clk>;
+                       clock-names = "fck", "brg_int", "scif_clk";
+                       power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
+                       resets = <&cpg 514>;
+                       status = "disabled";
+               };
+
+               gic: interrupt-controller@f1000000 {
+                       compatible = "arm,gic-v3";
+                       #interrupt-cells = <3>;
+                       #address-cells = <0>;
+                       interrupt-controller;
+                       reg = <0x0 0xf1000000 0 0x20000>,
+                             <0x0 0xf1060000 0 0x110000>;
+                       interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+               };
+
+               prr: chipid@fff00044 {
+                       compatible = "renesas,prr";
+                       reg = <0 0xfff00044 0 4>;
+               };
+       };
+
+       timer {
+               compatible = "arm,armv8-timer";
+               interrupts-extended = <&gic GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
+                                     <&gic GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
+                                     <&gic GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
+                                     <&gic GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>,
+                                     <&gic GIC_PPI 12 IRQ_TYPE_LEVEL_LOW>;
+       };
+};