From: Ben Ho <Ben.Ho@xxxxxxxxxxxx> Add basic chip support for Mediatek 8183 Signed-off-by: Ben Ho <Ben.Ho@xxxxxxxxxxxx> Signed-off-by: Erin Lo <erin.lo@xxxxxxxxxxxx> --- arch/arm64/boot/dts/mediatek/Makefile | 1 + arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 31 +++++ arch/arm64/boot/dts/mediatek/mt8183.dtsi | 182 ++++++++++++++++++++++++++++ 3 files changed, 214 insertions(+) create mode 100644 arch/arm64/boot/dts/mediatek/mt8183-evb.dts create mode 100644 arch/arm64/boot/dts/mediatek/mt8183.dtsi diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile index ac17f60..2836261 100644 --- a/arch/arm64/boot/dts/mediatek/Makefile +++ b/arch/arm64/boot/dts/mediatek/Makefile @@ -5,3 +5,4 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-evb.dtb diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts new file mode 100644 index 0000000..9b52559 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Ben Ho <ben.ho@xxxxxxxxxxxx> + * Erin Lo <erin.lo@xxxxxxxxxxxx> + */ + +/dts-v1/; +#include "mt8183.dtsi" + +/ { + model = "MediaTek MT8183 evaluation board"; + compatible = "mediatek,mt8183-evb", "mediatek,mt8183"; + + aliases { + serial0 = &uart0; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0 0x40000000 0 0x80000000>; + }; + + chosen { + stdout-path = "serial0:921600n8"; + }; +}; + +&uart0 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi new file mode 100644 index 0000000..03edf9c --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi @@ -0,0 +1,182 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Ben Ho <ben.ho@xxxxxxxxxxxx> + * Erin Lo <erin.lo@xxxxxxxxxxxx> + */ + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + compatible = "mediatek,mt8183"; + 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>; + }; + core2 { + cpu = <&cpu2>; + }; + core3 { + cpu = <&cpu3>; + }; + }; + + cluster1 { + core0 { + cpu = <&cpu4>; + }; + core1 { + cpu = <&cpu5>; + }; + core2 { + cpu = <&cpu6>; + }; + core3 { + cpu = <&cpu7>; + }; + }; + }; + + cpu0: cpu@000 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x000>; + enable-method = "psci"; + }; + + cpu1: cpu@001 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x001>; + enable-method = "psci"; + }; + + cpu2: cpu@002 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x002>; + enable-method = "psci"; + }; + + cpu3: cpu@003 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x003>; + enable-method = "psci"; + }; + + cpu4: cpu@100 { + device_type = "cpu"; + compatible = "arm,cortex-a73"; + reg = <0x100>; + enable-method = "psci"; + }; + + cpu5: cpu@101 { + device_type = "cpu"; + compatible = "arm,cortex-a73"; + reg = <0x101>; + enable-method = "psci"; + }; + + cpu6: cpu@102 { + device_type = "cpu"; + compatible = "arm,cortex-a73"; + reg = <0x102>; + enable-method = "psci"; + }; + + cpu7: cpu@103 { + device_type = "cpu"; + compatible = "arm,cortex-a73"; + reg = <0x103>; + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + uart_clk: dummy26m { + compatible = "fixed-clock"; + clock-frequency = <26000000>; + #clock-cells = <0>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&gic>; + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, + <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; + }; + + gic: interrupt-controller@0c000000 { + compatible = "arm,gic-v3"; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + interrupt-controller; + reg = <0 0x0c000000 0 0x40000>, /* GICD */ + <0 0x0c100000 0 0x200000>; /* GICR */ + <0 0x0c400000 0 0x2000>; /* GICC */ + <0 0x0c410000 0 0x1000>; /* GICH */ + <0 0x0c420000 0 0x2000>; /* GICV */ + + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; + }; + + sysirq: intpol-controller@0c530a80 { + compatible = "mediatek,mt8183-sysirq", + "mediatek,mt6577-sysirq"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0 0x0c530a80 0 0x50>; + }; + + uart0: serial@11002000 { + compatible = "mediatek,mt8183-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11002000 0 0x1000>; + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>, <&uart_clk>; + clock-names = "baud", "bus"; + status = "disabled"; + }; + + uart1: serial@11003000 { + compatible = "mediatek,mt8183-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11003000 0 0x1000>; + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>, <&uart_clk>; + clock-names = "baud", "bus"; + status = "disabled"; + }; + + uart2: serial@11004000 { + compatible = "mediatek,mt8183-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11004000 0 0x1000>; + interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>, <&uart_clk>; + clock-names = "baud", "bus"; + status = "disabled"; + }; +}; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html