Commit f15722c0 authored by Hsin-Yi Wang's avatar Hsin-Yi Wang Committed by Matthias Brugger
Browse files

arm64: dts: mt8183: Add pwm and backlight node 



Add pwm to mt8183 and backlight to mt8183-kukui.

Signed-off-by: default avatarHsin-Yi Wang <hsinyi@chromium.org>
Tested-by: default avatarEnric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201124041253.4181273-1-hsinyi@chromium.org


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 37fb78b9

arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi

+28 −0
Original line number Diff line number Diff line
@@ -19,6 +19,17 @@ chosen { 
		stdout-path = "serial0:115200n8";

	};



	backlight_lcd0: backlight_lcd0 {

		compatible = "pwm-backlight";

		pwms = <&pwm0 0 500000>;

		power-supply = <&bl_pp5000>;

		enable-gpios = <&pio 176 0>;

		brightness-levels = <0 1023>;

		num-interpolated-steps = <1023>;

		default-brightness-level = <576>;

		status = "okay";

	};



	memory@40000000 {

		device_type = "memory";

		reg = <0 0x40000000 0 0x80000000>;
@@ -536,6 +547,17 @@ pins_clk { 
		};

	};



	pwm0_pin_default: pwm0_pin_default {

		pins1 {

			pinmux = <PINMUX_GPIO176__FUNC_GPIO176>;

			output-high;

			bias-pull-up;

		};

		pins2 {

			pinmux = <PINMUX_GPIO43__FUNC_DISP_PWM>;

		};

	};



	scp_pins: scp {

		pins_scp_uart {

			pinmux = <PINMUX_GPIO110__FUNC_TP_URXD1_AO>,
@@ -670,6 +692,12 @@ pins_wifi_wakeup { 
	};

};



&pwm0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&pwm0_pin_default>;

};



&scp {

	status = "okay";

	pinctrl-names = "default";

arch/arm64/boot/dts/mediatek/mt8183.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -641,6 +641,16 @@ spi0: spi@1100a000 { 
			status = "disabled";

		};



		pwm0: pwm@1100e000 {

			compatible = "mediatek,mt8183-disp-pwm";

			reg = <0 0x1100e000 0 0x1000>;

			interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_LOW>;

			#pwm-cells = <2>;

			clocks = <&topckgen CLK_TOP_MUX_DISP_PWM>,

					<&infracfg CLK_INFRA_DISP_PWM>;

			clock-names = "main", "mm";

		};



		i2c3: i2c@1100f000 {

			compatible = "mediatek,mt8183-i2c";

			reg = <0 0x1100f000 0 0x1000>,