ARM: tegra: enable LCD panel on Ventana (1771a254) · Commits · 戴 / test

arch/arm/boot/dts/tegra20-ventana.dts

+36 −3

Original line number	Diff line number	Diff line
		@@ -17,6 +17,14 @@
		};

		host1x@50000000 {
		dc@54200000 {
		rgb {
		status = "okay";

		nvidia,panel = <&panel>;
		};
		};

		hdmi@54280000 {
		status = "okay";

		@@ -309,6 +317,10 @@
		status = "okay";
		};

		pwm: pwm@7000a000 {
		status = "okay";
		};

		i2c@7000c000 {
		status = "okay";
		clock-frequency = <400000>;
		@@ -359,7 +371,7 @@
		#size-cells = <0>;
		};

		i2c@1 {
		lvds_ddc: i2c@1 {
		reg = <1>;
		#address-cells = <1>;
		#size-cells = <0>;
		@@ -557,6 +569,17 @@
		non-removable;
		};

		backlight: backlight {
		compatible = "pwm-backlight";

		enable-gpios = <&gpio TEGRA_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
		power-supply = <&vdd_bl_reg>;
		pwms = <&pwm 2 5000000>;

		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <6>;
		};

		clocks {
		compatible = "simple-bus";
		#address-cells = <1>;
		@@ -581,6 +604,16 @@
		};
		};

		panel: panel {
		compatible = "chunghwa,claa101wa01a", "simple-panel";

		power-supply = <&vdd_pnl_reg>;
		enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>;

		backlight = <&backlight>;
		ddc-i2c-bus = <&lvds_ddc>;
		};

		regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		@@ -614,7 +647,7 @@
		enable-active-high;
		};

		regulator@3 {
		vdd_pnl_reg: regulator@3 {
		compatible = "regulator-fixed";
		reg = <3>;
		regulator-name = "vdd_pnl";
		@@ -624,7 +657,7 @@
		enable-active-high;
		};

		regulator@4 {
		vdd_bl_reg: regulator@4 {
		compatible = "regulator-fixed";
		reg = <4>;
		regulator-name = "vdd_bl";