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Message-Id: <1544778613-24279-2-git-send-email-fabrizio.castro@bp.renesas.com>
Date: Fri, 14 Dec 2018 09:10:05 +0000
From: Fabrizio Castro <fabrizio.castro@...renesas.com>
To: Rob Herring <robh+dt@...nel.org>,
Simon Horman <horms@...ge.net.au>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Mark Rutland <mark.rutland@....com>
Cc: Fabrizio Castro <fabrizio.castro@...renesas.com>,
Magnus Damm <magnus.damm@...il.com>,
linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Chris Paterson <Chris.Paterson2@...esas.com>,
Biju Das <biju.das@...renesas.com>
Subject: [PATCH 1/9] arm64: dts: renesas: Initial device tree for r8a774c0
Basic support for the RZ/G2E SoC (a.k.a. r8a774c0).
Signed-off-by: Fabrizio Castro <fabrizio.castro@...renesas.com>
---
arch/arm64/boot/dts/renesas/r8a774c0.dtsi | 186 ++++++++++++++++++++++++++++++
1 file changed, 186 insertions(+)
create mode 100644 arch/arm64/boot/dts/renesas/r8a774c0.dtsi
diff --git a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
new file mode 100644
index 0000000..f425d0b
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
@@ -0,0 +1,186 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the RZ/G2E (R8A774C0) SoC
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <dt-bindings/clock/r8a774c0-cpg-mssr.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/r8a774c0-sysc.h>
+
+/ {
+ compatible = "renesas,r8a774c0";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ /*
+ * The external audio clocks are configured as 0 Hz fixed frequency
+ * clocks by default.
+ * Boards that provide audio clocks should override them.
+ */
+ audio_clk_a: audio_clk_a {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ audio_clk_b: audio_clk_b {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ audio_clk_c: audio_clk_c {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ /* External CAN clock - to be overridden by boards that provide it */
+ can_clk: can {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* 1 core only at this point */
+ a53_0: cpu@0 {
+ compatible = "arm,cortex-a53", "arm,armv8";
+ reg = <0>;
+ device_type = "cpu";
+ power-domains = <&sysc R8A774C0_PD_CA53_CPU0>;
+ next-level-cache = <&L2_CA53>;
+ enable-method = "psci";
+ };
+
+ L2_CA53: cache-controller-0 {
+ compatible = "cache";
+ power-domains = <&sysc R8A774C0_PD_CA53_SCU>;
+ cache-unified;
+ cache-level = <2>;
+ };
+ };
+
+ extal_clk: extal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ /* This value must be overridden by the board */
+ clock-frequency = <0>;
+ };
+
+ /* External PCIe clock - can be overridden by the board */
+ pcie_bus_clk: pcie_bus {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ pmu_a53 {
+ compatible = "arm,cortex-a53-pmu";
+ interrupts-extended = <&gic GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-affinity = <&a53_0>;
+ };
+
+ psci {
+ compatible = "arm,psci-1.0", "arm,psci-0.2";
+ method = "smc";
+ };
+
+ /* External SCIF clock - to be overridden by boards that provide it */
+ scif_clk: scif {
+ 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@...50000 {
+ compatible = "renesas,r8a774c0-cpg-mssr";
+ reg = <0 0xe6150000 0 0x1000>;
+ clocks = <&extal_clk>;
+ clock-names = "extal";
+ #clock-cells = <2>;
+ #power-domain-cells = <0>;
+ #reset-cells = <1>;
+ };
+
+ rst: reset-controller@...60000 {
+ compatible = "renesas,r8a774c0-rst";
+ reg = <0 0xe6160000 0 0x0200>;
+ };
+
+ sysc: system-controller@...80000 {
+ compatible = "renesas,r8a774c0-sysc";
+ reg = <0 0xe6180000 0 0x0400>;
+ #power-domain-cells = <1>;
+ };
+
+ scif2: serial@...88000 {
+ compatible = "renesas,scif-r8a774c0",
+ "renesas,rcar-gen3-scif", "renesas,scif";
+ reg = <0 0xe6e88000 0 64>;
+ interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 310>,
+ <&cpg CPG_CORE R8A774C0_CLK_S3D1C>,
+ <&scif_clk>;
+ clock-names = "fck", "brg_int", "scif_clk";
+ power-domains = <&sysc R8A774C0_PD_ALWAYS_ON>;
+ resets = <&cpg 310>;
+ status = "disabled";
+ };
+
+ gic: interrupt-controller@...10000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x0 0xf1010000 0 0x1000>,
+ <0x0 0xf1020000 0 0x20000>,
+ <0x0 0xf1040000 0 0x20000>,
+ <0x0 0xf1060000 0 0x20000>;
+ interrupts = <GIC_PPI 9
+ (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>;
+ clocks = <&cpg CPG_MOD 408>;
+ clock-names = "clk";
+ power-domains = <&sysc R8A774C0_PD_ALWAYS_ON>;
+ resets = <&cpg 408>;
+ };
+
+ prr: chipid@...00044 {
+ compatible = "renesas,prr";
+ reg = <0 0xfff00044 0 4>;
+ };
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+ <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+ <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
+ <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ /* External USB clocks - can be overridden by the board */
+ usb3s0_clk: usb3s0 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ usb_extal_clk: usb_extal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+};
--
2.7.4
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