Unverified Commit d34c0f30 authored by Julien Massot's avatar Julien Massot Committed by AngeloGioacchino Del Regno
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arm64: dts: mediatek: mt8395-nio-12l: Prepare MIPI DSI port 



This board can use a MIPI-DSI panel on the DSI0 connector: in
preparation for adding an overlay for the Radxa Display 8HD,
add the backlight, and some definitions for pins available
through the DSI0 port.

Signed-off-by: default avatarJulien Massot <julien.massot@collabora.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250304-radxa-panel-overlay-v2-1-3ee6797d3f86@collabora.com


Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
parent 42fbcb45

arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts

+45 −0
Original line number Diff line number Diff line
@@ -48,6 +48,18 @@ memory@40000000 { 
		reg = <0 0x40000000 0x1 0x0>;

	};



	backlight: backlight {

		compatible = "pwm-backlight";

		brightness-levels = <0 1023>;

		default-brightness-level = <576>;

		enable-gpios = <&pio 107 GPIO_ACTIVE_HIGH>;

		num-interpolated-steps = <1023>;

		pinctrl-names = "default";

		pinctrl-0 = <&dsi0_backlight_pins>;

		pwms = <&disp_pwm0 0 500000>;

		status = "disabled";

	};



	wifi_vreg: regulator-wifi-3v3-en {

		compatible = "regulator-fixed";

		regulator-name = "wifi_3v3_en";
@@ -502,6 +514,13 @@ &mt6359_vsram_others_ldo_reg { 
&pio {

	mediatek,rsel-resistance-in-si-unit;



	dsi0_backlight_pins: dsi0-backlight-pins {

		pins-backlight-en {

			pinmux = <PINMUX_GPIO107__FUNC_GPIO107>;

			output-high;

		};

	};



	eth_default_pins: eth-default-pins {

		pins-cc {

			pinmux = <PINMUX_GPIO85__FUNC_GBE_TXC>,
@@ -699,6 +718,13 @@ pins-irq { 
		};

	};



	panel_default_pins: panel-pins {

		pins-rst {

			pinmux = <PINMUX_GPIO108__FUNC_GPIO108>;

			bias-pull-up;

		};

	};



	pcie0_default_pins: pcie0-default-pins {

		pins-bus {

			pinmux = <PINMUX_GPIO19__FUNC_WAKEN>,
@@ -717,6 +743,12 @@ pins-bus { 
		};

	};



	pwm0_default_pins: pwm0-pins {

		pins-disp-pwm {

			pinmux = <PINMUX_GPIO97__FUNC_DISP_PWM0>;

		};

	};



	spi1_pins: spi1-default-pins {

		pins-bus {

			pinmux = <PINMUX_GPIO136__FUNC_SPIM1_CSB>,
@@ -737,6 +769,19 @@ pins-bus { 
		};

	};



	touch_pins: touch-pins {

		pins-touch-int {

			pinmux = <PINMUX_GPIO132__FUNC_GPIO132>;

			input-enable;

			bias-disable;

		};



		pins-touch-rst {

			pinmux = <PINMUX_GPIO133__FUNC_GPIO133>;

			output-high;

		};

	};



	uart0_pins: uart0-pins {

		pins-bus {

			pinmux = <PINMUX_GPIO98__FUNC_UTXD0>,