Commit ea65d256 authored by Nícolas F. R. A. Prado's avatar Nícolas F. R. A. Prado Committed by Matthias Brugger
Browse files

arm64: dts: mediatek: asurada: Add display backlight 



Add the display backlight for the Asurada platform. It relies on the
display PWM controller, so also enable and configure this component.

Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: default avatarChen-Yu Tsai <wenst@chromium.org>
Signed-off-by: default avatarNícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20221102190611.283546-3-nfraprado@collabora.com


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent f9f00b1f

arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi

+28 −0
Original line number Diff line number Diff line
@@ -23,6 +23,16 @@ 
		reg = <0 0x40000000 0 0x80000000>;

	};



	backlight_lcd0: backlight-lcd0 {

		compatible = "pwm-backlight";

		pwms = <&pwm0 0 500000>;

		power-supply = <&ppvar_sys>;

		enable-gpios = <&pio 152 0>;

		brightness-levels = <0 1023>;

		num-interpolated-steps = <1023>;

		default-brightness-level = <576>;

	};



	pp1000_dpbrdg: regulator-1v0-dpbrdg {

		compatible = "regulator-fixed";

		regulator-name = "pp1000_dpbrdg";
@@ -838,6 +848,17 @@ 
		};

	};



	pwm0_pins: pwm0-default-pins {

		pins-pwm {

			pinmux = <PINMUX_GPIO40__FUNC_DISP_PWM>;

		};



		pins-inhibit {

			pinmux = <PINMUX_GPIO152__FUNC_GPIO152>;

			output-high;

		};

	};



	scp_pins: scp-pins {

		pins-vreq-vao {

			pinmux = <PINMUX_GPIO195__FUNC_SCP_VREQ_VAO>;
@@ -899,6 +920,13 @@ 
	interrupts-extended = <&pio 214 IRQ_TYPE_LEVEL_HIGH>;

};



&pwm0 {

	status = "okay";



	pinctrl-names = "default";

	pinctrl-0 = <&pwm0_pins>;

};



&scp {

	status = "okay";