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arm64: dts: mediatek: add mt6755 support 

This adds basic chip support for MT6755 SoC.

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
hifive-unleashed-5.1
Mars Cheng 2016-06-29 10:09:33 +08:00 committed by Matthias Brugger
parent 94613fa63d
commit aea1c315b6
3 changed files with 184 additions and 0 deletions
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1
arch/arm64/boot/dts/mediatek/Makefile
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@ -1,3 +1,4 @@
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb

38
arch/arm64/boot/dts/mediatek/mt6755-evb.dts 100644
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: Mars.C <mars.cheng@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 "mt6755.dtsi"
/ {
model = "MediaTek MT6755 EVB";
compatible = "mediatek,mt6755-evb", "mediatek,mt6755";
aliases {
serial0 = &uart0;
};
memory@40000000 {
device_type = "memory";
reg = <0 0x40000000 0 0x1e800000>;
};
chosen {
stdout-path = "serial0:921600n8";
};
};
&uart0 {
status = "okay";
};

145
arch/arm64/boot/dts/mediatek/mt6755.dtsi 100644
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@ -0,0 +1,145 @@
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: Mars.C <mars.cheng@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,mt6755";
interrupt-parent = <&sysirq>;
#address-cells = <2>;
#size-cells = <2>;
psci {
compatible = "arm,psci-0.2";
method = "smc";
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a53";
enable-method = "psci";
reg = <0x000>;
};
cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a53";
enable-method = "psci";
reg = <0x001>;
};
cpu2: cpu@2 {
device_type = "cpu";
compatible = "arm,cortex-a53";
enable-method = "psci";
reg = <0x002>;
};
cpu3: cpu@3 {
device_type = "cpu";
compatible = "arm,cortex-a53";
enable-method = "psci";
reg = <0x003>;
};
cpu4: cpu@100 {
device_type = "cpu";
compatible = "arm,cortex-a53";
enable-method = "psci";
reg = <0x100>;
};
cpu5: cpu@101 {
device_type = "cpu";
compatible = "arm,cortex-a53";
enable-method = "psci";
reg = <0x101>;
};
cpu6: cpu@102 {
device_type = "cpu";
compatible = "arm,cortex-a53";
enable-method = "psci";
reg = <0x102>;
};
cpu7: cpu@103 {
device_type = "cpu";
compatible = "arm,cortex-a53";
enable-method = "psci";
reg = <0x103>;
};
};
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(8) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 14
(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 11
(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 10
(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
};
sysirq: intpol-controller@10200620 {
compatible = "mediatek,mt6755-sysirq",
"mediatek,mt6577-sysirq";
interrupt-controller;
#interrupt-cells = <3>;
interrupt-parent = <&gic>;
reg = <0 0x10200620 0 0x20>;
};
gic: interrupt-controller@10231000 {
compatible = "arm,gic-400";
#interrupt-cells = <3>;
interrupt-parent = <&gic>;
interrupt-controller;
reg = <0 0x10231000 0 0x1000>,
<0 0x10232000 0 0x2000>,
<0 0x10234000 0 0x2000>,
<0 0x10236000 0 0x2000>;
};
uart0: serial@11002000 {
compatible = "mediatek,mt6755-uart",
"mediatek,mt6577-uart";
reg = <0 0x11002000 0 0x400>;
interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
uart1: serial@11003000 {
compatible = "mediatek,mt6755-uart",
"mediatek,mt6577-uart";
reg = <0 0x11003000 0 0x400>;
interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
status = "disabled";
};
};