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From:   Jacopo Mondi <jacopo+renesas@jmondi.org>
To:     niklas.soderlund@ragnatech.se, laurent.pinchart@ideasonboard.com,
        horms@verge.net.au, geert@glider.be, magnus.damm@gmail.com,
        robh+dt@kernel.org
Cc:     Jacopo Mondi <jacopo+renesas@jmondi.org>,
        linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 2/3] arm64: dts: renesas: draak: Describe CVBS input
Date:   Wed, 16 May 2018 15:42:08 +0200
Message-Id: <1526478129-16465-3-git-send-email-jacopo+renesas@jmondi.org>
In-Reply-To: <1526478129-16465-1-git-send-email-jacopo+renesas@jmondi.org>
References: <1526478129-16465-1-git-send-email-jacopo+renesas@jmondi.org>
Sender: linux-kernel-owner@vger.kernel.org
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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@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@0 {
+			reg = <0>;
+
+			vin4_in: endpoint {
+				remote-endpoint = <&adv7180_out>;
+			};
+		};
+	};
+};
-- 
2.7.4