[PATCH] arm64: dts: mediatek: Initial mt8365-evk support

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Tue Nov 8 02:02:28 PST 2022


On 07/11/2022 22:10, Bernhard Rosenkränzer wrote:
> From: Fabien Parent <fparent at baylibre.com>
> 
> This adds minimal support for the MediaTek 8365 SOC and the EVK reference
> board, allowing the board to boot to initramfs with serial port I/O.
> 
> GPIO keys are supported, MMC is partially supported (needs the clocks
> driver for full support).
> 
> Signed-off-by: Fabien Parent <fparent at baylibre.com>
> [bero at baylibre.com: Removed parts depending on drivers that aren't upstream yet, cleanups]
> Signed-off-by: Bernhard Rosenkränzer <bero at baylibre.com>
> ---
> 
> Compared to the previous version of the patch submitted by Fabien
> Parent, this removes dependencies on drivers/patches that are not yet in
> mainline (obviously this comes with some reduced functionality for now;
> this will be added back as drivers are accepted), and addresses some
> feedback from reviewers.
> 
>  arch/arm64/boot/dts/mediatek/Makefile       |   1 +
>  arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 344 +++++++++++
>  arch/arm64/boot/dts/mediatek/mt8365.dtsi    | 602 ++++++++++++++++++++
>  3 files changed, 947 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8365-evk.dts
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8365.dtsi
> 
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index 0ec90cb3ef289..e668fd50a3326 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -46,4 +46,5 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r2.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r3.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-demo.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-evb.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8365-evk.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb
> diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> new file mode 100644
> index 0000000000000..a24e478fff51f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> @@ -0,0 +1,344 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2021-2022 BayLibre, SAS.
> + * Authors:
> + * Fabien Parent <fparent at baylibre.com>
> + * Bernhard Rosenkränzer <bero at baylibre.com>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/pinctrl/mt8365-pinfunc.h>
> +#include "mt8365.dtsi"
> +
> +/ {
> +	model = "MediaTek MT8365 Open Platform EVK";
> +	compatible = "mediatek,mt8365-evk", "mediatek,mt8365";

Missing documentation.

Run checkpatch on your patches. It will print several warnings, which
must be fixed.


> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:921600n8";
> +	};
> +
> +	firmware {
> +		optee {
> +			compatible = "linaro,optee-tz";
> +			method = "smc";
> +		};
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		input-name = "gpio-keys";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&gpio_keys>;
> +
> +		key-volume-up {
> +			gpios = <&pio 24 GPIO_ACTIVE_LOW>;
> +			label = "volume_up";
> +			linux,code = <KEY_VOLUMEUP>;
> +			wakeup-source;
> +			debounce-interval = <15>;
> +		};
> +	};
> +
> +	memory at 40000000 {
> +		device_type = "memory";
> +		reg = <0 0x40000000 0 0xc0000000>;
> +	};
> +
> +	usb_otg_vbus: regulator-2 {

Where are regulators 0 and 1 (or just 1)?

> +		compatible = "regulator-fixed";
> +		regulator-name = "otg_vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		gpio = <&pio 16 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +

(...)

> +
> +		mcucfg: syscon at 10200000 {
> +			compatible = "mediatek,mt8365-mcucfg", "syscon";
> +			reg = <0 0x10200000 0 0x2000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		sysirq: interrupt-controller at 10200a80 {
> +			compatible = "mediatek,mt8365-sysirq",
> +				     "mediatek,mt6577-sysirq";
> +			interrupt-controller;
> +			#interrupt-cells = <3>;
> +			interrupt-parent = <&gic>;
> +			reg = <0 0x10200a80 0 0x20>;
> +		};
> +
> +		infracfg_nao: infracfg-nao at 1020e000 {

Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

> +			compatible = "syscon";

Not allowed on its own.

> +			reg = <0 0x1020e000 0 0x1000>;
> +		};
> +
> +		rng: rng at 1020f000 {
> +			compatible = "mediatek,mt8365-rng",
> +				     "mediatek,mt7623-rng";
> +			reg = <0 0x1020f000 0 0x100>;
> +			clocks = <&infracfg CLK_IFR_TRNG>;
> +			clock-names = "rng";
> +		};
> +
> +		apdma: dma-controller at 11000280 {
> +			compatible = "mediatek,mt8365-uart-dma",
> +				     "mediatek,mt6577-uart-dma";
> +			reg = <0 0x11000280 0 0x80>,
> +			      <0 0x11000300 0 0x80>,
> +			      <0 0x11000380 0 0x80>,
> +			      <0 0x11000400 0 0x80>,
> +			      <0 0x11000580 0 0x80>,
> +			      <0 0x11000600 0 0x80>;
> +			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 46 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 47 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 48 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
> +			dma-requests = <6>;
> +			clocks = <&infracfg CLK_IFR_AP_DMA>;
> +			clock-names = "apdma";
> +			#dma-cells = <1>;
> +		};
> +
> +		auxadc: adc at 11001000 {
> +			compatible = "mediatek,mt8365-auxadc",
> +				     "mediatek,mt8173-auxadc";
> +			reg = <0 0x11001000 0 0x1000>;
> +			clocks = <&infracfg CLK_IFR_AUXADC>;
> +			clock-names = "main";
> +			#io-channel-cells = <1>;
> +		};
> +
> +		uart0: serial at 11002000 {
> +			compatible = "mediatek,mt8365-uart",
> +				     "mediatek,mt6577-uart";
> +			reg = <0 0x11002000 0 0x1000>;
> +			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg CLK_IFR_UART0>;
> +			clock-names = "baud", "bus";
> +			dmas = <&apdma 0>, <&apdma 1>;
> +			dma-names = "tx", "rx";
> +			status = "disabled";
> +		};
> +
> +		uart1: serial at 11003000 {
> +			compatible = "mediatek,mt8365-uart",
> +				     "mediatek,mt6577-uart";
> +			reg = <0 0x11003000 0 0x1000>;
> +			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg CLK_IFR_UART1>;
> +			clock-names = "baud", "bus";
> +			dmas = <&apdma 2>, <&apdma 3>;
> +			dma-names = "tx", "rx";
> +			status = "disabled";
> +		};
> +
> +		uart2: serial at 11004000 {
> +			compatible = "mediatek,mt8365-uart",
> +				     "mediatek,mt6577-uart";
> +			reg = <0 0x11004000 0 0x1000>;
> +			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg CLK_IFR_UART2>;
> +			clock-names = "baud", "bus";
> +			dmas = <&apdma 4>, <&apdma 5>;
> +			dma-names = "tx", "rx";
> +			status = "disabled";
> +		};
> +
> +		pwm: pwm at 11006000 {
> +			compatible = "mediatek,mt8365-pwm";
> +			reg = <0 0x11006000 0 0x1000>;
> +			#pwm-cells = <2>;
> +			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&infracfg CLK_IFR_PWM_HCLK>,
> +				 <&infracfg CLK_IFR_PWM>,
> +				 <&infracfg CLK_IFR_PWM1>,
> +				 <&infracfg CLK_IFR_PWM2>,
> +				 <&infracfg CLK_IFR_PWM3>;
> +			clock-names = "top", "main", "pwm1", "pwm2", "pwm3";
> +		};
> +
> +		i2c0: i2c at 11007000 {
> +			compatible = "mediatek,mt8365-i2c",
> +				     "mediatek,mt8168-i2c";
> +			reg = <0 0x11007000 0 0xa0>,
> +			      <0 0x11000080 0 0x80>;
> +			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_LOW>;
> +			clock-div = <1>;
> +			clocks = <&infracfg CLK_IFR_I2C0_AXI>,
> +				 <&infracfg CLK_IFR_AP_DMA>;
> +			clock-names = "main", "dma";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		i2c1: i2c at 11008000 {
> +			compatible = "mediatek,mt8365-i2c",
> +				     "mediatek,mt8168-i2c";
> +			reg = <0 0x11008000 0 0xa0>,
> +			      <0 0x11000100 0 0x80>;
> +			interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_LOW>;
> +			clock-div = <1>;
> +			clocks = <&infracfg CLK_IFR_I2C1_AXI>,
> +				 <&infracfg CLK_IFR_AP_DMA>;
> +			clock-names = "main", "dma";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		i2c2: i2c at 11009000 {
> +			compatible = "mediatek,mt8365-i2c",
> +				     "mediatek,mt8168-i2c";
> +			reg = <0 0x11009000 0 0xa0>,
> +			      <0 0x11000180 0 0x80>;
> +			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_LOW>;
> +			clock-div = <1>;
> +			clocks = <&infracfg CLK_IFR_I2C2_AXI>,
> +				 <&infracfg CLK_IFR_AP_DMA>;
> +			clock-names = "main", "dma";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		spi: spi at 1100a000 {
> +			compatible = "mediatek,mt8365-spi",
> +				     "mediatek,mt7622-spi";
> +			reg = <0 0x1100a000 0 0x100>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_UNIVPLL2_D4>,
> +				 <&topckgen CLK_TOP_SPI_SEL>,
> +				 <&infracfg CLK_IFR_SPI0>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +			status = "disabled";
> +		};
> +
> +		thermal: thermal at 1100b000 {
> +			compatible = "mediatek,mt8365-thermal";
> +			reg = <0 0x1100b000 0 0x1000>;
> +			interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&infracfg CLK_IFR_THERM>,
> +				 <&infracfg CLK_IFR_AUXADC>;
> +			clock-names = "therm", "auxadc";
> +			mediatek,auxadc = <&auxadc>;
> +			mediatek,apmixedsys = <&apmixedsys>;
> +			nvmem-cells = <&thermal_calibration>;
> +			nvmem-cell-names = "calibration-data";
> +			#thermal-sensor-cells = <1>;
> +		};
> +
> +		i2c3: i2c at 1100f000 {
> +			compatible = "mediatek,mt8365-i2c",
> +				     "mediatek,mt8168-i2c";
> +			reg = <0 0x1100f000 0 0xa0>,
> +			      <0 0x11000200 0 0x80>;
> +			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_LOW>;
> +			clock-div = <1>;
> +			clocks = <&infracfg CLK_IFR_I2C3_AXI>,
> +				 <&infracfg CLK_IFR_AP_DMA>;
> +			clock-names = "main", "dma";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		ssusb: usb at 11201000 {
> +			compatible = "mediatek,mt8365-mtu3", "mediatek,mtu3";
> +			reg = <0 0x11201000 0 0x2e00>,
> +			      <0 0x11203e00 0 0x0100>;
> +			reg-names = "mac", "ippc";
> +			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_LOW>;
> +			phys = <&u2port0 PHY_TYPE_USB2>,
> +			       <&u2port1 PHY_TYPE_USB2>;
> +			clocks = <&topckgen CLK_TOP_SSUSB_TOP_CK_EN>,
> +				 <&infracfg CLK_IFR_SSUSB_REF>,
> +				 <&infracfg CLK_IFR_SSUSB_SYS>,
> +				 <&infracfg CLK_IFR_ICUSB>;
> +			clock-names = "sys_ck", "ref_ck", "mcu_ck",
> +				      "dma_ck";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +			status = "disabled";
> +
> +			usb_host: usb at 11200000 {
> +				compatible = "mediatek,mt8365-xhci",
> +					     "mediatek,mtk-xhci";
> +				reg = <0 0x11200000 0 0x1000>;
> +				reg-names = "mac";
> +				interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_LOW>;
> +				clocks = <&topckgen CLK_TOP_SSUSB_TOP_CK_EN>,
> +					 <&infracfg CLK_IFR_SSUSB_REF>,
> +					 <&infracfg CLK_IFR_SSUSB_SYS>,
> +					 <&infracfg CLK_IFR_ICUSB>,
> +					 <&infracfg CLK_IFR_SSUSB_XHCI>;
> +				clock-names = "sys_ck", "ref_ck", "mcu_ck",
> +					      "dma_ck", "xhci_ck";
> +				status = "disabled";
> +			};
> +		};
> +
> +		mmc0: mmc at 11230000 {
> +			compatible = "mediatek,mt8365-mmc", "mediatek,mt8183-mmc";
> +			reg = <0 0x11230000 0 0x1000>,
> +			      <0 0x11cd0000 0 0x1000>;
> +			interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>,
> +				 <&infracfg CLK_IFR_MSDC0_HCLK>,
> +				 <&infracfg CLK_IFR_MSDC0_SRC>;
> +			clock-names = "source", "hclk", "source_cg";
> +			status = "disabled";
> +		};
> +
> +		mmc1: mmc at 11240000 {
> +			compatible = "mediatek,mt8365-mmc", "mediatek,mt8183-mmc";
> +			reg = <0 0x11240000 0 0x1000>,
> +			      <0 0x11c90000 0 0x1000>;
> +			interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_MSDC30_1_SEL>,
> +				 <&infracfg CLK_IFR_MSDC1_HCLK>,
> +				 <&infracfg CLK_IFR_MSDC1_SRC>;
> +			clock-names = "source", "hclk", "source_cg";
> +			status = "disabled";
> +		};
> +
> +		ethernet: ethernet at 112a0000 {
> +			compatible = "mediatek,mt8365-eth";
> +			reg = <0 0x112a0000 0 0x1000>;
> +			mediatek,pericfg = <&infracfg>;
> +			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&topckgen CLK_TOP_ETH_SEL>,
> +				 <&infracfg CLK_IFR_NIC_AXI>,
> +				 <&infracfg CLK_IFR_NIC_SLV_AXI>;
> +			clock-names = "core", "reg", "trans";
> +			status = "disabled";
> +		};
> +
> +		mipi_tx0: dsi-phy at 11c00000 {
> +			compatible = "mediatek,mt8365-mipi-tx",
> +				     "mediatek,mt8183-mipi-tx";
> +			reg = <0 0x11c00000 0 0x800>;
> +			clocks = <&clk26m>;
> +			clock-names = "ref_clk";
> +			#clock-cells = <0>;
> +			#phy-cells = <0>;
> +			clock-output-names = "mipi_tx0_pll";
> +		};
> +
> +		efuse: efuse at 11c50000 {
> +			compatible = "mediatek,mt8365-efuse", "mediatek,efuse";
> +			reg = <0 0x11c50000 0 0x1000>;
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +
> +			thermal_calibration: calib at 180 {
> +				reg = <0x180 0xc>;
> +			};
> +		};
> +
> +		u3phy: t-phy at 11cc0000 {

Node names should be generic, so just phy
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

> +			compatible = "mediatek,mt8365-tphy",
> +				     "mediatek,generic-tphy-v2";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			#phy-cells = <1>;
> +			ranges;
> +
> +			u2port0: usb-phy at 11cc0000 {
> +				reg = <0 0x11cc0000 0 0x400>;
> +				clocks = <&topckgen CLK_TOP_SSUSB_PHY_CK_EN>,
> +					 <&topckgen CLK_TOP_USB20_48M_EN>;
> +				clock-names = "ref", "da_ref";
> +				#phy-cells = <1>;
> +			};
> +
> +			u2port1: usb-phy at 11cc1000 {
> +				reg = <0 0x11cc1000 0 0x400>;
> +				clocks = <&topckgen CLK_TOP_SSUSB_PHY_CK_EN>,
> +					 <&topckgen CLK_TOP_USB20_48M_EN>;
> +				clock-names = "ref", "da_ref";
> +				#phy-cells = <1>;
> +			};
> +		};
> +
> +		mfgcfg: syscon at 13000000 {
> +			compatible = "mediatek,mt8365-mfgcfg", "syscon";
> +			reg = <0 0x13000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		mmsys: syscon at 14000000 {
> +			compatible = "mediatek,mt8365-mmsys", "syscon";
> +			reg = <0 0x14000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		camsys: syscon at 15000000 {
> +			compatible = "mediatek,mt8365-imgsys", "syscon";
> +			reg = <0 0x15000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		vdecsys: syscon at 16000000 {
> +			compatible = "mediatek,mt8365-vdecsys", "syscon";
> +			reg = <0 0x16000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		vencsys: syscon at 17000000 {
> +			compatible = "mediatek,mt8365-vencsys", "syscon";
> +			reg = <0 0x17000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		apu: syscon at 19020000 {
> +			compatible = "mediatek,mt8365-apu", "syscon";
> +			reg = <0 0x19020000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +	};
> +
> +	thermal-zones {
> +		cpu_thermal: cpu-thermal {
> +			polling-delay-passive = <1000>; /* milliseconds */
> +			polling-delay = <1000>; /* milliseconds */
> +			thermal-sensors = <&thermal 0>;
> +
> +			trips {
> +				threshold: trip-point0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				target: trip-point1 {
> +					temperature = <105000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				cpu_crit: cpu_crit0 {
> +					temperature = <117000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&target>;
> +					cooling-device =
> +						<&cpu0
> +						 THERMAL_NO_LIMIT
> +						 THERMAL_NO_LIMIT>,
> +						<&cpu1
> +						 THERMAL_NO_LIMIT
> +						 THERMAL_NO_LIMIT>,
> +						<&cpu2
> +						 THERMAL_NO_LIMIT
> +						 THERMAL_NO_LIMIT>,
> +						<&cpu3
> +						 THERMAL_NO_LIMIT
> +						 THERMAL_NO_LIMIT>;
> +					contribution = <100>;
> +				};
> +			};
> +		};
> +	};
> +
> +

Only one blank line.

> +	timer {
> +		compatible = "arm,armv8-timer";
> +		interrupt-parent = <&gic>;
> +		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW 0>,
> +			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW 0>,
> +			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW 0>,
> +			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
> +	};
> +};

Best regards,
Krzysztof




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