From e26945245e414eff42ee1ffeaedf198911bf1d77 Mon Sep 17 00:00:00 2001 From: Mars Cheng Date: Tue, 14 Jul 2015 14:58:13 +0800 Subject: [PATCH] arm64: dts: mediatek: add mt6795 support This adds basic chip support for MT6795 SoC Signed-off-by: Mars Cheng Signed-off-by: Matthias Brugger --- arch/arm64/boot/dts/mediatek/Makefile | 1 + arch/arm64/boot/dts/mediatek/mt6795-evb.dts | 41 +++++ arch/arm64/boot/dts/mediatek/mt6795.dtsi | 162 ++++++++++++++++++++ 3 files changed, 204 insertions(+) create mode 100644 arch/arm64/boot/dts/mediatek/mt6795-evb.dts create mode 100644 arch/arm64/boot/dts/mediatek/mt6795.dtsi diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile index 3ce24622b231..e0a4bff2fc17 100644 --- a/arch/arm64/boot/dts/mediatek/Makefile +++ b/arch/arm64/boot/dts/mediatek/Makefile @@ -1,3 +1,4 @@ +dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb always := $(dtb-y) diff --git a/arch/arm64/boot/dts/mediatek/mt6795-evb.dts b/arch/arm64/boot/dts/mediatek/mt6795-evb.dts new file mode 100644 index 000000000000..ad665f5835f0 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt6795-evb.dts @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Mars.C + * + * 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 "mt6795.dtsi" + +/ { + model = "MediaTek MT6795 Evaluation Board"; + compatible = "mediatek,mt6795-evb", "mediatek,mt6795"; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0 0x40000000 0 0x1e800000>; + }; + + chosen { + stdout-path = "serial0:921600n8"; + }; +}; + +&uart0 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt6795.dtsi b/arch/arm64/boot/dts/mediatek/mt6795.dtsi new file mode 100644 index 000000000000..da200e788936 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt6795.dtsi @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Mars.C + * + * 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 +#include + +/ { + compatible = "mediatek,mt6795"; + interrupt-parent = <&sysirq>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x000>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x001>; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x002>; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x003>; + }; + + cpu4: cpu@100 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x100>; + }; + + cpu5: cpu@101 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x101>; + }; + + cpu6: cpu@102 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x102>; + }; + + cpu7: cpu@103 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x103>; + }; + }; + + system_clk: dummy13m { + compatible = "fixed-clock"; + clock-frequency = <13000000>; + #clock-cells = <0>; + }; + + rtc_clk: dummy32k { + compatible = "fixed-clock"; + clock-frequency = <32000>; + #clock-cells = <0>; + }; + + uart_clk: dummy26m { + compatible = "fixed-clock"; + clock-frequency = <26000000>; + #clock-cells = <0>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + }; + + sysirq: intpol-controller@10200620 { + compatible = "mediatek,mt6795-sysirq", + "mediatek,mt6577-sysirq"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0 0x10200620 0 0x20>; + }; + + gic: interrupt-controller@10221000 { + 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>; + }; + + uart0: serial@11002000 { + compatible = "mediatek,mt6795-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11002000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart1: serial@11003000 { + compatible = "mediatek,mt6795-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11003000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart2: serial@11004000 { + compatible = "mediatek,mt6795-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11004000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart3: serial@11005000 { + compatible = "mediatek,mt6795-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11005000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; +};