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ARM: dts: r8a7745: initial SoC device tree

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The  initial R8A7745 SoC device tree including CPU0, GIC, timer, SYSC, RST,
CPG, and the required clock descriptions.

Based on the original (and large) patch by Dmitry Shifrin
<dmitry.shifrin@cogentembedded.com>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Sergei Shtylyov 2016-11-05 00:53:38 +03:00 committed by Simon Horman
parent d05ab65b1d
commit c95360247b
1 changed files with 120 additions and 0 deletions
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arch/arm/boot/dts/r8a7745.dtsi Normal file
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/*
* Device Tree Source for the r8a7745 SoC
*
* Copyright (C) 2016 Cogent Embedded Inc.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/r8a7745-cpg-mssr.h>
#include <dt-bindings/power/r8a7745-sysc.h>
/ {
compatible = "renesas,r8a7745";
#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 R8A7745_CLK_Z2>;
power-domains = <&sysc R8A7745_PD_CA7_CPU0>;
next-level-cache = <&L2_CA7>;
};
L2_CA7: cache-controller@0 {
compatible = "cache";
reg = <0>;
cache-unified;
cache-level = <2>;
power-domains = <&sysc R8A7745_PD_CA7_SCU>;
};
};
soc {
compatible = "simple-bus";
interrupt-parent = <&gic>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
gic: interrupt-controller@f1001000 {
compatible = "arm,gic-400";
#interrupt-cells = <3>;
#address-cells = <0>;
interrupt-controller;
reg = <0 0xf1001000 0 0x1000>,
<0 0xf1002000 0 0x1000>,
<0 0xf1004000 0 0x2000>,
<0 0xf1006000 0 0x2000>;
interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) |
IRQ_TYPE_LEVEL_HIGH)>;
};
timer {
compatible = "arm,armv7-timer";
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) |
IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) |
IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) |
IRQ_TYPE_LEVEL_LOW)>;
};
cpg: clock-controller@e6150000 {
compatible = "renesas,r8a7745-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>;
};
sysc: system-controller@e6180000 {
compatible = "renesas,r8a7745-sysc";
reg = <0 0xe6180000 0 0x200>;
#power-domain-cells = <1>;
};
rst: reset-controller@e6160000 {
compatible = "renesas,r8a7745-rst";
reg = <0 0xe6160000 0 0x100>;
};
};
/* External root clock */
extal_clk: extal {
compatible = "fixed-clock";
#clock-cells = <0>;
/* This value must be overridden by the board. */
clock-frequency = <0>;
};
/* External USB clock - can be overridden by the board */
usb_extal_clk: usb_extal {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <48000000>;
};
/* External SCIF clock */
scif_clk: scif {
compatible = "fixed-clock";
#clock-cells = <0>;
/* This value must be overridden by the board. */
clock-frequency = <0>;
};
};