Commit d96d8f91 authored by Robert Foss's avatar Robert Foss Committed by Bjorn Andersson
Browse files

arm64: dts: qcom: sm8350-hdk: Enable lt9611uxc dsi-hdmi bridge 



The sm8350-hdk ships with the LT9611 UXC DSI/HDMI bridge chip.

In order to toggle the board to enable the HDMI output,
switch #7 & #8 on the rightmost multi-switch package have
to be toggled to On.

Signed-off-by: default avatarRobert Foss <robert.foss@linaro.org>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230117120223.1055225-4-rfoss@kernel.org
parent ea9df63f

arch/arm64/boot/dts/qcom/sm8350-hdk.dts

+105 −0
Original line number Diff line number Diff line
@@ -20,6 +20,17 @@ 
		stdout-path = "serial0:115200n8";

	};



	hdmi-connector {

		compatible = "hdmi-connector";

		type = "a";



		port {

			hdmi_con: endpoint {

				remote-endpoint = <&lt9611_out>;

			};

		};

	};



	vph_pwr: vph-pwr-regulator {

		compatible = "regulator-fixed";

		regulator-name = "vph_pwr";
@@ -29,6 +40,31 @@ 
		regulator-always-on;

		regulator-boot-on;

	};



	lt9611_1v2: lt9611-1v2-regulator {

		compatible = "regulator-fixed";

		regulator-name = "LT9611_1V2";



		vin-supply = <&vph_pwr>;

		regulator-min-microvolt = <1200000>;

		regulator-max-microvolt = <1200000>;

		gpio = <&tlmm 49 GPIO_ACTIVE_HIGH>;

		enable-active-high;

		regulator-boot-on;

	};



	lt9611_3v3: lt9611-3v3-regulator {

		compatible = "regulator-fixed";

		regulator-name = "LT9611_3V3";



		vin-supply = <&vreg_bob>;

		gpio = <&tlmm 47 GPIO_ACTIVE_HIGH>;

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		enable-active-high;

		regulator-boot-on;

		regulator-always-on;

	};

};



&adsp {
@@ -228,6 +264,15 @@ 
&mdss_dsi0 {

	vdda-supply = <&vreg_l6b_1p2>;

	status = "okay";



	ports {

		port@1 {

			endpoint {

				remote-endpoint = <&lt9611_a>;

				data-lanes = <0 1 2 3>;

			};

		};

	};

};



&mdss_dsi0_phy  {
@@ -239,6 +284,46 @@ 
	status = "okay";

};



&i2c15 {

	clock-frequency = <400000>;

	status = "okay";



	lt9611_codec: hdmi-bridge@2b {

		compatible = "lontium,lt9611uxc";

		reg = <0x2b>;



		interrupts-extended = <&tlmm 50 IRQ_TYPE_EDGE_FALLING>;

		reset-gpios = <&tlmm 48 GPIO_ACTIVE_HIGH>;



		vdd-supply = <&lt9611_1v2>;

		vcc-supply = <&lt9611_3v3>;



		pinctrl-names = "default";

		pinctrl-0 = <&lt9611_state>;



		ports {

			#address-cells = <1>;

			#size-cells = <0>;



			port@0 {

				reg = <0>;



				lt9611_a: endpoint {

					remote-endpoint = <&dsi0_out>;

				};

			};



			port@2 {

				reg = <2>;



				lt9611_out: endpoint {

					remote-endpoint = <&hdmi_con>;

				};

			};

		};

	};

};



&mdss {

	status = "okay";

};
@@ -289,6 +374,10 @@ 
	status = "okay";

};



&qupv3_id_2 {

	status = "okay";

};



&slpi {

	status = "okay";

	firmware-name = "qcom/sm8350/slpi.mbn";
@@ -427,4 +516,20 @@ 
		drive-strength = <2>;

		output-low;

	};



	lt9611_state: lt9611-state {

		rst {

			pins = "gpio48";

			function = "normal";



			output-high;

			input-disable;

		};



		irq {

			pins = "gpio50";

			function = "gpio";

			bias-disable;

		};

	};

};