arm64: dts: rockchip: add hdmi hdcp2 node for rk3399

Change-Id: Ie78fbdc226d856a20c2da40e4166e7b23ed27aba
Signed-off-by: Huicong Xu <xhc@rock-chips.com>

Author: Huicong Xu

Documentation/devicetree/bindings/display/bridge/dw-hdmi-hdcp2.txt

@@ -0,0 +1,15 @@
+Device-Tree bindings for dw hdmi hdcp2
+
+Required properties:
+- compatible : Should be "rockchip,rk3399-hdmi-hdcp2".
+
+Example:
+	hdmi_hdcp2: hdmi-hdcp2@ff988000 {
+		compatible = "rockchip,rk3399-hdmi-hdcp2";
+		reg = <0x0 0xff988000 0x0 0x2000>;
+		interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH 0>;
+		clocks = <&cru ACLK_HDCP22>, <&cru PCLK_HDCP22>,
+			 <&cru HCLK_HDCP22>;
+		clock-names ="aclk_hdcp2", "pclk_hdcp2", "hdcp2_clk_hdmi";
+		status = "disabled";
+	};

arch/arm64/boot/dts/rockchip/rk3399.dtsi

@@ -2080,6 +2080,16 @@
 		};
 	};
 
+	hdmi_hdcp2: hdmi-hdcp2@ff988000 {
+		compatible = "rockchip,rk3399-hdmi-hdcp2";
+		reg = <0x0 0xff988000 0x0 0x2000>;
+		interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH 0>;
+		clocks = <&cru ACLK_HDCP22>, <&cru PCLK_HDCP22>,
+			 <&cru HCLK_HDCP22>;
+		clock-names ="aclk_hdcp2", "pclk_hdcp2", "hdcp2_clk_hdmi";
+		status = "disabled";
+	};
+
 	display_subsystem: display-subsystem {
 		compatible = "rockchip,display-subsystem";
 		ports = <&vopl_out>, <&vopb_out>;