[PATCH v2 2/3] arm64: dts: renesas: draak: Describe CVBS input

Jacopo Mondi jacopo+renesas at jmondi.org
Wed May 16 06:42:08 PDT 2018


Describe CVBS video input through analog video decoder ADV7180
connected to video input interface VIN4.

The video input signal path is shared with HDMI video input, and
selected by on-board switches SW-53 and SW-54 with CVBS input selected
by the default switches configuration.
---
 arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 36 ++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index d03f194..9aba28f 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
@@ -142,6 +142,11 @@
 		groups = "usb0";
 		function = "usb0";
 	};
+
+	vin4_pins_cvbs: vin4 {
+		groups = "vin4_data8", "vin4_sync", "vin4_clk";
+		function = "vin4";
+	};
 };
 
 &i2c0 {
@@ -154,6 +159,17 @@
 		reg = <0x50>;
 		pagesize = <8>;
 	};
+
+	analog-video at 20 {
+		compatible = "adi,adv7180";
+		reg = <0x20>;
+
+		port {
+			adv7180_out: endpoint {
+				remote-endpoint = <&vin4_in>;
+			};
+		};
+	};
 };
 
 &i2c1 {
@@ -246,3 +262,23 @@
 	timeout-sec = <60>;
 	status = "okay";
 };
+
+&vin4 {
+	pinctrl-0 = <&vin4_pins_cvbs>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port at 0 {
+			reg = <0>;
+
+			vin4_in: endpoint {
+				remote-endpoint = <&adv7180_out>;
+			};
+		};
+	};
+};
-- 
2.7.4




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