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arm64: dts: Add mediatek MT8173 SoC and evaluation board dts and Makefile 

Add device tree support for MT8173 SoC and evaluation board based on it.

Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Acked-by: Arnd Bergmann <arnd at arndb.de>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Eddie Huang 2015-12-01 10:14:00 +01:00 committed by Matthias Brugger
parent 83af225c39
commit b3a3724841
4 changed files with 212 additions and 0 deletions
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1
arch/arm64/boot/dts/Makefile
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@ -2,6 +2,7 @@ dts-dirs += amd
dts-dirs += apm
dts-dirs += arm
dts-dirs += cavium
dts-dirs += mediatek
always := $(dtb-y)
subdir-y := $(dts-dirs)

5
arch/arm64/boot/dts/mediatek/Makefile Normal file
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@ -0,0 +1,5 @@
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
always := $(dtb-y)
subdir-y := $(dts-dirs)
clean-files := *.dtb

38
arch/arm64/boot/dts/mediatek/mt8173-evb.dts Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2014 MediaTek Inc.
* Author: Eddie Huang <eddie.huang@mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/dts-v1/;
#include "mt8173.dtsi"
/ {
model = "mediatek,mt8173-evb";
aliases {
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;
serial3 = &uart3;
};
memory@40000000 {
device_type = "memory";
reg = <0 0x40000000 0 0x80000000>;
};
chosen { };
};
&uart0 {
status = "okay";
};

168
arch/arm64/boot/dts/mediatek/mt8173.dtsi Normal file
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@ -0,0 +1,168 @@
/*
* Copyright (c) 2014 MediaTek Inc.
* Author: Eddie Huang <eddie.huang@mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
/ {
compatible = "mediatek,mt8173";
interrupt-parent = <&sysirq>;
#address-cells = <2>;
#size-cells = <2>;
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu-map {
cluster0 {
core0 {
cpu = <&cpu0>;
};
core1 {
cpu = <&cpu1>;
};
};
cluster1 {
core0 {
cpu = <&cpu2>;
};
core1 {
cpu = <&cpu3>;
};
};
};
cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a53";
reg = <0x000>;
};
cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a53";
reg = <0x001>;
enable-method = "psci";
};
cpu2: cpu@100 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x100>;
enable-method = "psci";
};
cpu3: cpu@101 {
device_type = "cpu";
compatible = "arm,cortex-a57";
reg = <0x101>;
enable-method = "psci";
};
};
psci {
compatible = "arm,psci";
method = "smc";
cpu_suspend = <0x84000001>;
cpu_off = <0x84000002>;
cpu_on = <0x84000003>;
};
uart_clk: dummy26m {
compatible = "fixed-clock";
clock-frequency = <26000000>;
#clock-cells = <0>;
};
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;
interrupts = <GIC_PPI 13
(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 14
(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 11
(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 10
(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
};
soc {
#address-cells = <2>;
#size-cells = <2>;
compatible = "simple-bus";
ranges;
sysirq: intpol-controller@10200620 {
compatible = "mediatek,mt8173-sysirq",
"mediatek,mt6577-sysirq";
interrupt-controller;
#interrupt-cells = <3>;
interrupt-parent = <&gic>;
reg = <0 0x10200620 0 0x20>;
};
gic: interrupt-controller@10220000 {
compatible = "arm,gic-400";
#interrupt-cells = <3>;
interrupt-parent = <&gic>;
interrupt-controller;
reg = <0 0x10221000 0 0x1000>,
<0 0x10222000 0 0x2000>,
<0 0x10224000 0 0x2000>,
<0 0x10226000 0 0x2000>;
interrupts = <GIC_PPI 9
(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
};
uart0: serial@11002000 {
compatible = "mediatek,mt8173-uart",
"mediatek,mt6577-uart";
reg = <0 0x11002000 0 0x400>;
interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
uart1: serial@11003000 {
compatible = "mediatek,mt8173-uart",
"mediatek,mt6577-uart";
reg = <0 0x11003000 0 0x400>;
interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
uart2: serial@11004000 {
compatible = "mediatek,mt8173-uart",
"mediatek,mt6577-uart";
reg = <0 0x11004000 0 0x400>;
interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
uart3: serial@11005000 {
compatible = "mediatek,mt8173-uart",
"mediatek,mt6577-uart";
reg = <0 0x11005000 0 0x400>;
interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
};
};