linux-kernel - [PATCH v2 3/3] arm64: dts: renesas: draak: Describe HDMI input

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Date:   Wed, 16 May 2018 15:42:09 +0200
From:   Jacopo Mondi <jacopo+renesas@...ndi.org>
To:     niklas.soderlund@...natech.se, laurent.pinchart@...asonboard.com,
        horms@...ge.net.au, geert@...der.be, magnus.damm@...il.com,
        robh+dt@...nel.org
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/3] arm64: dts: renesas: draak: Describe HDMI input

Describe HDMI input connector and ADV7612 HDMI decoder installed on
R-Car Gen3 Draak board.

The video signal routing to the HDMI decoder to the video input interface
VIN4 is multiplexed with CVBS input path, and enabled/disabled through
on-board switches SW-49, SW-50, SW-51 and SW-52.

As the default board switches configuration connects CVBS input to VIN4,
leave the HDMI decoder unconnected in DTS.

Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
---
 arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 38 ++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index 9aba28f..ea99dc9 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
@@ -59,6 +59,17 @@
 		};
 	};
 
+	hdmi-in {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&adv7612_in>;
+			};
+		};
+	};
+
 	memory@...00000 {
 		device_type = "memory";
 		/* first 128MB is reserved for secure area. */
@@ -170,6 +181,33 @@
 			};
 		};
 	};
+
+	hdmi-decoder@4c {
+		compatible = "adi,adv7612";
+		reg = <0x4c>;
+		default-input = <0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				adv7612_in: endpoint {
+					remote-endpoint = <&hdmi_con_in>;
+				};
+			};
+
+			port@2 {
+				reg = <2>;
+				adv7612_out: endpoint {
+					pclk-sample = <0>;
+					hsync-active = <0>;
+					vsync-active = <0>;
+				};
+			};
+		};
+	};
 };
 
 &i2c1 {
-- 
2.7.4