arm64: dts: rockchip: rk3568-bpi-r2pro: Enable VOP2 and hdmi

This enabled the VOP2 display controller along with hdmi and the
required port routes which is enough to get a picture out of the
hdmi port of the board.

Changes since v3:
- Fix HDMI connector type

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>

arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts

@@ -8,6 +8,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/soc/rockchip,vop2.h>
 #include "rk3568.dtsi"
 
 / {
@@ -54,6 +55,17 @@
 		regulator-max-microvolt = <12000000>;
 	};
 
+	hdmi-con {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
+
 	vcc3v3_sys: vcc3v3-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc3v3_sys";
@@ -179,6 +191,12 @@
 	};
 };
 
+&hdmi {
+	avdd-0v9-supply = <&vdda0v9_image>;
+	avdd-1v8-supply = <&vcca1v8_image>;
+	status = "okay";
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -630,3 +648,32 @@
 	status = "okay";
 };
 
+&vop {
+	assigned-clocks = <&cru DCLK_VOP0>, <&cru DCLK_VOP1>;
+	assigned-clock-parents = <&pmucru PLL_HPLL>, <&cru PLL_VPLL>;
+	status = "okay";
+};
+
+&vop_mmu {
+	status = "okay";
+};
+
+&hdmi_in {
+	hdmi_in_vp0: endpoint@0 {
+		reg = <0>;
+		remote-endpoint = <&vp0_out_hdmi>;
+	};
+};
+
+&hdmi_out {
+	hdmi_out_con: endpoint {
+		remote-endpoint = <&hdmi_con_in>;
+	};
+};
+
+&vp0 {
+	vp0_out_hdmi: endpoint@RK3568_VOP2_EP_HDMI {
+		reg = <RK3568_VOP2_EP_HDMI>;
+		remote-endpoint = <&hdmi_in_vp0>;
+	};
+};