diff --git a/Documentation/devicetree/bindings/arm/mediatek.txt b/Documentation/devicetree/bindings/arm/mediatek.txt index 3be40139cfbbe85d8aaf5ce42bdc080d483535c1..dd7550a29db668f56b21036bd6aac4f7c5d275c7 100644 --- a/Documentation/devicetree/bindings/arm/mediatek.txt +++ b/Documentation/devicetree/bindings/arm/mediatek.txt @@ -9,6 +9,7 @@ compatible: Must contain one of "mediatek,mt6592" "mediatek,mt8127" "mediatek,mt8135" + "mediatek,mt8173" Supported boards: @@ -25,3 +26,6 @@ Supported boards: - MTK mt8135 tablet EVB: Required root node properties: - compatible = "mediatek,mt8135-evbp1", "mediatek,mt8135"; +- MTK mt8173 tablet EVB: + Required root node properties: + - compatible = "mediatek,mt8173-evb", "mediatek,mt8173"; diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sysirq.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sysirq.txt index d680b07ec6e8114a87ab5cad9d9d85ff6003338f..8794f8d14db5e115aac9e453acd4a2c30acd00c7 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sysirq.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sysirq.txt @@ -5,6 +5,7 @@ interrupt. Required properties: - compatible: should be one of: + "mediatek,mt8173-sysirq" "mediatek,mt8135-sysirq" "mediatek,mt8127-sysirq" "mediatek,mt6589-sysirq" diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt index 48358a33ea7dfff474fbeefbc4d3e152d6f762a5..0e41b6ef2950bf626e67ca34a9f18684ba8f407d 100644 --- a/Documentation/devicetree/bindings/serial/mtk-uart.txt +++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt @@ -2,9 +2,11 @@ Required properties: - compatible should contain: + * "mediatek,mt8173-uart" for MT8173 compatible UARTS * "mediatek,mt6589-uart" for MT6589 compatible UARTS * "mediatek,mt6582-uart" for MT6582 compatible UARTS - * "mediatek,mt6577-uart" for all compatible UARTS (MT6589, MT6582, MT6577) + * "mediatek,mt6577-uart" for all compatible UARTS (MT8173, MT6589, MT6582, + MT6577) - reg: The base address of the UART register bank. diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 9c6b93c865227fce3d11847e181ad549d3acbb17..0d0c01c35dc3484561614561ae00da53ad3a87fe 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -165,6 +165,12 @@ config ARCH_EXYNOS7 help This enables support for Samsung Exynos7 SoC family +config ARCH_MEDIATEK + bool "Mediatek MT65xx & MT81xx ARMv8 SoC" + select ARM_GIC + help + Support for Mediatek MT65xx & MT81xx ARMv8 SoCs + config ARCH_SEATTLE bool "AMD Seattle SoC Family" help diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 68633e24e544498ebcb32190a494055803f18fe2..538c0c6bedf49e03fd8f14868f5aea0d2710e008 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -4,6 +4,7 @@ dts-dirs += arm dts-dirs += cavium dts-dirs += exynos dts-dirs += freescale +dts-dirs += mediatek always := $(dtb-y) subdir-y := $(dts-dirs) diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile new file mode 100644 index 0000000000000000000000000000000000000000..3ce24622b2312932db3663b918fb71f6001b18da --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/Makefile @@ -0,0 +1,5 @@ +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb + +always := $(dtb-y) +subdir-y := $(dts-dirs) +clean-files := *.dtb diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts new file mode 100644 index 0000000000000000000000000000000000000000..43d54017b779d4e211462b8bebe2604025bb08ea --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2014 MediaTek Inc. + * Author: Eddie Huang + * + * 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"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi new file mode 100644 index 0000000000000000000000000000000000000000..8554ec31dd9ec823de5017d0d1ec3f00bba543e6 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -0,0 +1,168 @@ +/* + * Copyright (c) 2014 MediaTek Inc. + * Author: Eddie Huang + * + * 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,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 = , + , + , + ; + }; + + 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 = ; + }; + + uart0: serial@11002000 { + compatible = "mediatek,mt8173-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11002000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart1: serial@11003000 { + compatible = "mediatek,mt8173-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11003000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart2: serial@11004000 { + compatible = "mediatek,mt8173-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11004000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart3: serial@11005000 { + compatible = "mediatek,mt8173-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11005000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; + }; + +}; + diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 24c23341a181eae86b41ebd681c994e79431c396..d6a53e8fa8db9b49a3f945f7eb0f449664187420 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -32,6 +32,7 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set CONFIG_ARCH_FSL_LS2085A=y +CONFIG_ARCH_MEDIATEK=y CONFIG_ARCH_THUNDER=y CONFIG_ARCH_VEXPRESS=y CONFIG_ARCH_XGENE=y @@ -87,6 +88,7 @@ CONFIG_SERIO_AMBAKMI=y CONFIG_LEGACY_PTY_COUNT=16 CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_MT6577=y CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y