WIP: ARM: tegra: asus-tf101: Add LVDS encoder

Make sure that CONFIG_DRM_LVDS_CODEC enabled in kernel config.

Signed-off-by: Dmitry Osipenko <[email protected]>

Author: digetx

arch/arm/boot/dts/tegra20-asus-tf101.dts

@@ -45,7 +45,12 @@
 			rgb {
 				status = "okay";
 
-				nvidia,panel = <&panel>;
+				port@0 {
+					lcd_output: endpoint {
+						remote-endpoint = <&lvds_encoder_input>;
+						bus-width = <18>;
+					};
+				};
 			};
 		};
 
@@ -778,6 +783,34 @@
 		};
 	};
 
+	lvds-encoder {
+		compatible = "ti,sn75lvds83", "lvds-encoder";
+
+		powerdown-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_LOW>;
+		power-supply = <&vdd_3v3_sys>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				lvds_encoder_input: endpoint {
+					remote-endpoint = <&lcd_output>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				lvds_encoder_output: endpoint {
+					remote-endpoint = <&panel_input>;
+				};
+			};
+		};
+	};
+
 	panel: panel {
 		compatible = "chunghwa,claa101wa01a";
 
@@ -786,6 +819,12 @@
 
 		backlight = <&backlight>;
 		ddc-i2c-bus = <&lvds_ddc>;
+
+		port {
+			panel_input: endpoint {
+				remote-endpoint = <&lvds_encoder_output>;
+			};
+		};
 	};
 
 	vdd_5v0_reg: regulator@0 {