Il 15/11/22 03:54, Bernhard Rosenkränzer ha scritto:
From: Fabien Parent <fparent@xxxxxxxxxxxx> 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@xxxxxxxxxxxx> [bero@xxxxxxxxxxxx: Removed parts depending on drivers that aren't upstream yet, cleanups] Signed-off-by: Bernhard Rosenkränzer <bero@xxxxxxxxxxxx> --- arch/arm64/boot/dts/mediatek/Makefile | 1 + arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 344 +++++++++++ arch/arm64/boot/dts/mediatek/mt8365.dtsi | 601 ++++++++++++++++++++ 3 files changed, 946 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..74e0f75231637 --- /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@xxxxxxxxxxxx> + * Bernhard Rosenkränzer <bero@xxxxxxxxxxxx> + */ + +/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"; + + 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@40000000 { + device_type = "memory"; + reg = <0 0x40000000 0 0xc0000000>; + }; + + usb_otg_vbus: regulator-0 { + compatible = "regulator-fixed"; + regulator-name = "otg_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&pio 16 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 12 MiB reserved for OP-TEE (BL32) + * +-----------------------+ 0x43e0_0000 + * | SHMEM 2MiB | + * +-----------------------+ 0x43c0_0000 + * | | TA_RAM 8MiB | + * + TZDRAM +--------------+ 0x4340_0000 + * | | TEE_RAM 2MiB | + * +-----------------------+ 0x4320_0000 + */ + optee_reserved: optee@43200000 { + no-map; + reg = <0 0x43200000 0 0x00c00000>; + }; + }; +}; + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + clock-frequency = <100000>; + status = "okay"; +}; + +&pio { + dpi_func_pins: dpi-func-pins { + pins { + pinmux = <MT8365_PIN_0_GPIO0__FUNC_DPI_D0>, + <MT8365_PIN_1_GPIO1__FUNC_DPI_D1>, + <MT8365_PIN_2_GPIO2__FUNC_DPI_D2>, + <MT8365_PIN_3_GPIO3__FUNC_DPI_D3>, + <MT8365_PIN_4_GPIO4__FUNC_DPI_D4>, + <MT8365_PIN_5_GPIO5__FUNC_DPI_D5>, + <MT8365_PIN_6_GPIO6__FUNC_DPI_D6>, + <MT8365_PIN_7_GPIO7__FUNC_DPI_D7>, + <MT8365_PIN_8_GPIO8__FUNC_DPI_D8>, + <MT8365_PIN_9_GPIO9__FUNC_DPI_D9>, + <MT8365_PIN_10_GPIO10__FUNC_DPI_D10>, + <MT8365_PIN_11_GPIO11__FUNC_DPI_D11>, + <MT8365_PIN_12_GPIO12__FUNC_DPI_DE>, + <MT8365_PIN_13_GPIO13__FUNC_DPI_VSYNC>, + <MT8365_PIN_14_GPIO14__FUNC_DPI_CK>, + <MT8365_PIN_15_GPIO15__FUNC_DPI_HSYNC>; + drive-strength = <MTK_DRIVE_4mA>; + }; + }; + + dpi_idle_pins: dpi-idle-pins { + pins { + pinmux = <MT8365_PIN_0_GPIO0__FUNC_GPIO0>, + <MT8365_PIN_1_GPIO1__FUNC_GPIO1>, + <MT8365_PIN_2_GPIO2__FUNC_GPIO2>, + <MT8365_PIN_3_GPIO3__FUNC_GPIO3>, + <MT8365_PIN_4_GPIO4__FUNC_GPIO4>, + <MT8365_PIN_5_GPIO5__FUNC_GPIO5>, + <MT8365_PIN_6_GPIO6__FUNC_GPIO6>, + <MT8365_PIN_7_GPIO7__FUNC_GPIO7>, + <MT8365_PIN_8_GPIO8__FUNC_GPIO8>, + <MT8365_PIN_9_GPIO9__FUNC_GPIO9>, + <MT8365_PIN_10_GPIO10__FUNC_GPIO10>, + <MT8365_PIN_11_GPIO11__FUNC_GPIO11>, + <MT8365_PIN_12_GPIO12__FUNC_GPIO12>, + <MT8365_PIN_13_GPIO13__FUNC_GPIO13>, + <MT8365_PIN_14_GPIO14__FUNC_GPIO14>, + <MT8365_PIN_15_GPIO15__FUNC_GPIO15>; + }; + }; + + gpio_keys: gpio-keys-pins { + pins { + pinmux = <MT8365_PIN_24_KPCOL0__FUNC_KPCOL0>; + bias-pull-up; + input-enable; + }; + }; + + i2c1_pins: i2c1-pins { + pins { + pinmux = <MT8365_PIN_59_SDA1__FUNC_SDA1_0>, + <MT8365_PIN_60_SCL1__FUNC_SCL1_0>; + mediatek,pull-up-adv = <3>; + mediatek,drive-strength-adv = <00>; + bias-pull-up; + }; + }; + + ite_pins: ite-pins { + pins-rst-ite { + pinmux = <MT8365_PIN_69_CMDAT1__FUNC_GPIO69>; + output-high; + }; + + pins-irq-ite { + pinmux = <MT8365_PIN_68_CMDAT0__FUNC_GPIO68>; + input-enable; + bias-pull-up; + }; + + pins-pwr { + pinmux = <MT8365_PIN_70_CMDAT2__FUNC_GPIO70>, + <MT8365_PIN_71_CMDAT3__FUNC_GPIO71>; + output-high; + }; + }; + + mmc0_pins_default: mmc0-default-pins { + pins-clk { + pinmux = <MT8365_PIN_99_MSDC0_CLK__FUNC_MSDC0_CLK>; + bias-pull-down; + }; + + pins-cmd-dat { + pinmux = <MT8365_PIN_103_MSDC0_DAT0__FUNC_MSDC0_DAT0>, + <MT8365_PIN_102_MSDC0_DAT1__FUNC_MSDC0_DAT1>, + <MT8365_PIN_101_MSDC0_DAT2__FUNC_MSDC0_DAT2>, + <MT8365_PIN_100_MSDC0_DAT3__FUNC_MSDC0_DAT3>, + <MT8365_PIN_96_MSDC0_DAT4__FUNC_MSDC0_DAT4>, + <MT8365_PIN_95_MSDC0_DAT5__FUNC_MSDC0_DAT5>, + <MT8365_PIN_94_MSDC0_DAT6__FUNC_MSDC0_DAT6>, + <MT8365_PIN_93_MSDC0_DAT7__FUNC_MSDC0_DAT7>, + <MT8365_PIN_98_MSDC0_CMD__FUNC_MSDC0_CMD>; + input-enable; + bias-pull-up; + }; + + pins-rst { + pinmux = <MT8365_PIN_97_MSDC0_RSTB__FUNC_MSDC0_RSTB>; + bias-pull-up; + }; + }; + + mmc0_pins_uhs: mmc0-uhs-pins { + pins-clk { + pinmux = <MT8365_PIN_99_MSDC0_CLK__FUNC_MSDC0_CLK>; + drive-strength = <MTK_DRIVE_10mA>; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; + }; + + pins-cmd-dat { + pinmux = <MT8365_PIN_103_MSDC0_DAT0__FUNC_MSDC0_DAT0>, + <MT8365_PIN_102_MSDC0_DAT1__FUNC_MSDC0_DAT1>, + <MT8365_PIN_101_MSDC0_DAT2__FUNC_MSDC0_DAT2>, + <MT8365_PIN_100_MSDC0_DAT3__FUNC_MSDC0_DAT3>, + <MT8365_PIN_96_MSDC0_DAT4__FUNC_MSDC0_DAT4>, + <MT8365_PIN_95_MSDC0_DAT5__FUNC_MSDC0_DAT5>, + <MT8365_PIN_94_MSDC0_DAT6__FUNC_MSDC0_DAT6>, + <MT8365_PIN_93_MSDC0_DAT7__FUNC_MSDC0_DAT7>, + <MT8365_PIN_98_MSDC0_CMD__FUNC_MSDC0_CMD>; + input-enable; + drive-strength = <MTK_DRIVE_10mA>; + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; + }; + + pins-ds { + pinmux = <MT8365_PIN_104_MSDC0_DSL__FUNC_MSDC0_DSL>; + drive-strength = <MTK_DRIVE_10mA>; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; + }; + + pins-rst { + pinmux = <MT8365_PIN_97_MSDC0_RSTB__FUNC_MSDC0_RSTB>; + drive-strength = <MTK_DRIVE_10mA>; + bias-pull-up; + }; + }; + + mmc1_pins_default: mmc1-default-pins { + pins-cd { + pinmux = <MT8365_PIN_76_CMDAT8__FUNC_GPIO76>; + bias-pull-up; + }; + + pins-clk { + pinmux = <MT8365_PIN_88_MSDC1_CLK__FUNC_MSDC1_CLK>; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; + }; + + pins-cmd-dat { + pinmux = <MT8365_PIN_89_MSDC1_DAT0__FUNC_MSDC1_DAT0>, + <MT8365_PIN_90_MSDC1_DAT1__FUNC_MSDC1_DAT1>, + <MT8365_PIN_91_MSDC1_DAT2__FUNC_MSDC1_DAT2>, + <MT8365_PIN_92_MSDC1_DAT3__FUNC_MSDC1_DAT3>, + <MT8365_PIN_87_MSDC1_CMD__FUNC_MSDC1_CMD>; + input-enable; + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; + }; + }; + + mmc1_pins_uhs: mmc1-uhs-pins { + pins-clk { + pinmux = <MT8365_PIN_88_MSDC1_CLK__FUNC_MSDC1_CLK>; + drive-strength = <MTK_DRIVE_8mA>; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; + }; + + pins-cmd-dat { + pinmux = <MT8365_PIN_89_MSDC1_DAT0__FUNC_MSDC1_DAT0>, + <MT8365_PIN_90_MSDC1_DAT1__FUNC_MSDC1_DAT1>, + <MT8365_PIN_91_MSDC1_DAT2__FUNC_MSDC1_DAT2>, + <MT8365_PIN_92_MSDC1_DAT3__FUNC_MSDC1_DAT3>, + <MT8365_PIN_87_MSDC1_CMD__FUNC_MSDC1_CMD>; + input-enable; + drive-strength = <MTK_DRIVE_6mA>; + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; + }; + }; + + uart0_pins: uart0-pins { + pins { + pinmux = <MT8365_PIN_35_URXD0__FUNC_URXD0>, + <MT8365_PIN_36_UTXD0__FUNC_UTXD0>; + }; + }; + + uart1_pins: uart1-pins { + pins { + pinmux = <MT8365_PIN_37_URXD1__FUNC_URXD1>, + <MT8365_PIN_38_UTXD1__FUNC_UTXD1>; + }; + }; + + uart2_pins: uart2-pins { + pins { + pinmux = <MT8365_PIN_39_URXD2__FUNC_URXD2>, + <MT8365_PIN_40_UTXD2__FUNC_UTXD2>; + }; + }; + + usb_pins: usb-pins { + pins-id { + pinmux = <MT8365_PIN_17_GPIO17__FUNC_GPIO17>; + input-enable; + bias-pull-up; + }; + + pins-usb0-vbus { + pinmux = <MT8365_PIN_16_GPIO16__FUNC_USB_DRVVBUS>; + output-high; + }; + + pin-usb1-vbus { + pinmux = <MT8365_PIN_18_GPIO18__FUNC_GPIO18>; + output-high; + }; + }; + + pwm_pins: pwm-pins { + pins { + pinmux = <MT8365_PIN_19_DISP_PWM__FUNC_PWM_A>, + <MT8365_PIN_116_I2S_BCK__FUNC_PWM_C>; + }; + }; +}; + +&pwm { + pinctrl-0 = <&pwm_pins>; + pinctrl-names = "default"; + status = "okay"; +}; + +&uart0 { + pinctrl-0 = <&uart0_pins>; + pinctrl-names = "default"; + status = "okay"; +}; + +&uart1 { + pinctrl-0 = <&uart1_pins>; + pinctrl-names = "default"; + status = "okay"; +}; + +&uart2 { + pinctrl-0 = <&uart2_pins>; + pinctrl-names = "default"; + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi new file mode 100644 index 0000000000000..1cf2172081b20 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi @@ -0,0 +1,601 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * (C) 2018 MediaTek Inc. + * Copyright (C) 2022 BayLibre SAS + * Fabien Parent <fparent@xxxxxxxxxxxx> + * Bernhard Rosenkränzer <bero@xxxxxxxxxxxx> + */ +#include <dt-bindings/clock/mediatek,mt8365-clk.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/phy/phy.h> +#include <dt-bindings/thermal/thermal.h> + +/ { + compatible = "mediatek,mt8365"; + interrupt-parent = <&sysirq>; + #address-cells = <2>; + #size-cells = <2>; + + cpus: cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu-map { + cluster0: cluster0 { + core0 { + cpu = <&cpu0>; + }; + core1 { + cpu = <&cpu1>; + }; + core2 { + cpu = <&cpu2>; + }; + core3 { + cpu = <&cpu3>; + }; + }; + }; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0>; + #cooling-cells = <2>;
I don't see any CPU caches and I'm totally sure that this SoC does have a unified 512KB unified L2 cache.
+ enable-method = "psci"; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x1>; + #cooling-cells = <2>; + enable-method = "psci"; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x2>; + #cooling-cells = <2>; + enable-method = "psci"; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x3>; + #cooling-cells = <2>; + enable-method = "psci"; + }; + }; > + + clk26m: oscillator { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <26000000>; + clock-output-names = "clk26m"; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + };
Does this SoC really not support any idle-state?! Seems pretty odd.
+ + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 128 KiB reserved for ARM Trusted Firmware (BL31) */ + bl31_secmon_reserved: secmon@43000000 { + no-map; + reg = <0 0x43000000 0 0x20000>; + }; + }; + + soc { + #address-cells = <2>; + #size-cells = <2>; + compatible = "simple-bus"; + ranges; + + gic: interrupt-controller@c000000 { + compatible = "arm,gic-v3"; + #interrupt-cells = <4>; + interrupt-parent = <&gic>; + interrupt-controller; + reg = <0 0x0c000000 0 0x80000>, + <0 0x0c080000 0 0x80000>; + + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>; + }; + + topckgen: syscon@10000000 { + compatible = "mediatek,mt8365-topckgen", "syscon"; + reg = <0 0x10000000 0 0x1000>; + #clock-cells = <1>; + }; + + infracfg: syscon@10001000 { + compatible = "mediatek,mt8365-infracfg", "syscon"; + reg = <0 0x10001000 0 0x1000>; + #clock-cells = <1>; + }; + + pericfg: syscon@10003000 { + compatible = "mediatek,mt8365-pericfg", "syscon"; + reg = <0 0x10003000 0 0x1000>; + #clock-cells = <1>; + }; + + syscfg_pctl: syscfg-pctl@10005000 { + compatible = "mediatek,mt8365-syscfg", "syscon"; + reg = <0 0x10005000 0 0x1000>; + }; + + watchdog: watchdog@10007000 { + compatible = "mediatek,mt8365-wdt", + "mediatek,mt6589-wdt";
83 cols is fine, fits in one line.
+ reg = <0 0x10007000 0 0x100>; + #reset-cells = <1>; + }; + + gpt: apxgpt@10008000 {
This should be timer@10008000
+ compatible = "mediatek,mt8365-timer", + "mediatek,mt6577-timer"; + reg = <0 0x10008000 0 0x1000>; + interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_LOW>; + clocks = <&topckgen CLK_TOP_SYS_26M_D2>; + clock-names = "clk13m"; + }; +
..snip..
+ + infracfg: infracfg@1020e000 { + compatible = "mediatek,mt8365-infracfg", "syscon"; + reg = <0 0x1020e000 0 0x1000>; + }; + + rng: rng@1020f000 { + compatible = "mediatek,mt8365-rng", + "mediatek,mt7623-rng";
Fits in one line.
+ reg = <0 0x1020f000 0 0x100>; + clocks = <&infracfg CLK_IFR_TRNG>; + clock-names = "rng"; + }; +
..snip..
+ + uart0: serial@11002000 { + compatible = "mediatek,mt8365-uart", + "mediatek,mt6577-uart";
85 cols is probably fine, so this should fit in one line.
+ 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"; + }; +
..snip..
+ + i2c0: i2c@11007000 { + compatible = "mediatek,mt8365-i2c", + "mediatek,mt8168-i2c";
Fits in one line.
+ reg = <0 0x11007000 0 0xa0>, + <0 0x11000080 0 0x80>;
Same.
+ 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@11008000 { + compatible = "mediatek,mt8365-i2c", + "mediatek,mt8168-i2c"; + reg = <0 0x11008000 0 0xa0>, + <0 0x11000100 0 0x80>;
...again...
+ 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@11009000 { + compatible = "mediatek,mt8365-i2c", + "mediatek,mt8168-i2c"; + reg = <0 0x11009000 0 0xa0>, + <0 0x11000180 0 0x80>;
...and again...
+ 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@1100a000 { + compatible = "mediatek,mt8365-spi", + "mediatek,mt7622-spi";
...and it's the same here again... I'll stop saying the same at every instance, so please check the others :-)
+ 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"; + }; +
Regards, Angelo