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ARM: dts: r8a77470: Initial SoC device tree

The initial R8A77470 SoC device tree including CPU0, GIC, timer, SYSC, RST,
CPG, and the required clock descriptions.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
hifive-unleashed-5.1
Biju Das 2018-04-03 12:19:38 +01:00 committed by Simon Horman
parent 5db40d7b26
commit 6929dfc591
1 changed files with 154 additions and 0 deletions

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@ -0,0 +1,154 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree Source for the r8a77470 SoC
*
* Copyright (C) 2018 Renesas Electronics Corp.
*/
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/renesas-cpg-mssr.h>
/ {
compatible = "renesas,r8a77470";
#address-cells = <2>;
#size-cells = <2>;
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <0>;
clock-frequency = <1000000000>;
clocks = <&cpg CPG_CORE 0>;
power-domains = <&sysc 5>;
next-level-cache = <&L2_CA7>;
};
L2_CA7: cache-controller-0 {
compatible = "cache";
cache-unified;
cache-level = <2>;
power-domains = <&sysc 21>;
};
};
/* External root clock */
extal_clk: extal {
compatible = "fixed-clock";
#clock-cells = <0>;
/* This value must be overridden by the board. */
clock-frequency = <0>;
};
/* External SCIF clock */
scif_clk: scif {
compatible = "fixed-clock";
#clock-cells = <0>;
/* This value must be overridden by the board. */
clock-frequency = <0>;
};
soc {
compatible = "simple-bus";
interrupt-parent = <&gic>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
cpg: clock-controller@e6150000 {
compatible = "renesas,r8a77470-cpg-mssr";
reg = <0 0xe6150000 0 0x1000>;
clocks = <&extal_clk>, <&usb_extal_clk>;
clock-names = "extal", "usb_extal";
#clock-cells = <2>;
#power-domain-cells = <0>;
#reset-cells = <1>;
};
rst: reset-controller@e6160000 {
compatible = "renesas,r8a77470-rst";
reg = <0 0xe6160000 0 0x100>;
};
sysc: system-controller@e6180000 {
compatible = "renesas,r8a77470-sysc";
reg = <0 0xe6180000 0 0x200>;
#power-domain-cells = <1>;
};
icram0: sram@e63a0000 {
compatible = "mmio-sram";
reg = <0 0xe63a0000 0 0x12000>;
};
icram1: sram@e63c0000 {
compatible = "mmio-sram";
reg = <0 0xe63c0000 0 0x1000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0 0xe63c0000 0x1000>;
smp-sram@0 {
compatible = "renesas,smp-sram";
reg = <0 0x100>;
};
};
icram2: sram@e6300000 {
compatible = "mmio-sram";
reg = <0 0xe6300000 0 0x20000>;
};
scif1: serial@e6e68000 {
compatible = "renesas,scif-r8a77470",
"renesas,rcar-gen2-scif", "renesas,scif";
reg = <0 0xe6e68000 0 0x40>;
interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cpg CPG_MOD 720>,
<&cpg CPG_CORE 6>, <&scif_clk>;
clock-names = "fck", "brg_int", "scif_clk";
power-domains = <&sysc 32>;
resets = <&cpg 720>;
status = "disabled";
};
gic: interrupt-controller@f1001000 {
compatible = "arm,gic-400";
#interrupt-cells = <3>;
#address-cells = <0>;
interrupt-controller;
reg = <0 0xf1001000 0 0x1000>, <0 0xf1002000 0 0x2000>,
<0 0xf1004000 0 0x2000>, <0 0xf1006000 0 0x2000>;
interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
clocks = <&cpg CPG_MOD 408>;
clock-names = "clk";
power-domains = <&sysc 32>;
resets = <&cpg 408>;
};
prr: chipid@ff000044 {
compatible = "renesas,prr";
reg = <0 0xff000044 0 4>;
};
};
timer {
compatible = "arm,armv7-timer";
interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
<&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
<&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
<&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
};
/* External USB clock - can be overridden by the board */
usb_extal_clk: usb_extal {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <48000000>;
};
};