arm64: allwinner: a64: enable LCD-related hardware for Pinebook

Pinebook has an ANX6345 bridge connected to the RGB666 LCD output and
eDP panel input. The bridge is controlled via I2C that's connected to
R_I2C bus.

Enable all this hardware in device tree.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts

@@ -48,6 +48,18 @@ lid_switch {
 		};
 	};
 
+	panel_edp: panel-edp {
+		compatible = "neweast,wjfh116008a";
+		backlight = <&backlight>;
+		power-supply = <&reg_dc1sw>;
+
+		port {
+			panel_edp_in: endpoint {
+				remote-endpoint = <&anx6345_out_edp>;
+			};
+		};
+	};
+
 	reg_vbklt: vbklt {
 		compatible = "regulator-fixed";
 		regulator-name = "vbklt";
@@ -109,6 +121,10 @@ &dai {
 	status = "okay";
 };
 
+&de {
+	status = "okay";
+};
+
 &ehci0 {
 	phys = <&usbphy 0>;
 	phy-names = "usb";
@@ -119,6 +135,10 @@ &ehci1 {
 	status = "okay";
 };
 
+&mixer0 {
+	status = "okay";
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
@@ -177,12 +197,38 @@ &pwm {
 	status = "okay";
 };
 
-/* The ANX6345 eDP-bridge is on r_i2c */
 &r_i2c {
 	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&r_i2c_pl89_pins>;
 	status = "okay";
+
+	anx6345: anx6345@38 {
+		compatible = "analogix,anx6345";
+		reg = <0x38>;
+		reset-gpios = <&pio 3 24 GPIO_ACTIVE_LOW>; /* PD24 */
+		dvdd25-supply = <&reg_dldo2>;
+		dvdd12-supply = <&reg_fldo1>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			anx6345_in: port@0 {
+				reg = <0>;
+				anx6345_in_tcon0: endpoint {
+					remote-endpoint = <&tcon0_out_anx6345>;
+				};
+			};
+
+			anx6345_out: port@1 {
+				reg = <1>;
+				anx6345_out_edp: endpoint {
+					remote-endpoint = <&panel_edp_in>;
+				};
+			};
+		};
+	};
 };
 
 &r_pio {
@@ -343,6 +389,19 @@ &sound {
 			"MIC2", "Internal Microphone Right";
 };
 
+&tcon0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&lcd_rgb666_pins>;
+
+	status = "okay";
+};
+
+&tcon0_out {
+	tcon0_out_anx6345: endpoint {
+		remote-endpoint = <&anx6345_in_tcon0>;
+	};
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;