linux-kernel - [PATCH 6/8] arm64: dts: renesas: r8a77995-draak: Enable DU

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Message-Id: <1518683903-10681-7-git-send-email-kbingham@kernel.org>
Date:   Thu, 15 Feb 2018 08:38:21 +0000
From:   Kieran Bingham <kbingham@...nel.org>
To:     linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Kieran Bingham <kieran.bingham@...asonboard.com>
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Simon Horman <horms@...ge.net.au>, geert@...der.be,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 6/8] arm64: dts: renesas: r8a77995-draak: Enable DU

From: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>

Enable the DU, providing only the VGA output for now.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
---
 arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 51 ++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index af07da240be0..668e246dfc5d 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
@@ -27,6 +27,38 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	vga {
+		compatible = "vga-connector";
+
+		port {
+			vga_in: endpoint {
+				remote-endpoint = <&adv7123_out>;
+			};
+		};
+	};
+
+	vga-encoder {
+		compatible = "adi,adv7123";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				adv7123_in: endpoint {
+					remote-endpoint = <&du_out_rgb>;
+				};
+			};
+			port@1 {
+				reg = <1>;
+				adv7123_out: endpoint {
+					remote-endpoint = <&vga_in>;
+				};
+			};
+		};
+	};
+
 	memory@...00000 {
 		device_type = "memory";
 		/* first 128MB is reserved for secure area. */
@@ -46,6 +78,11 @@
 		};
 	};
 
+	du_pins: du {
+		groups = "du_rgb888", "du_sync", "du_disp", "du_dotclkout0";
+		function = "du";
+	};
+
 	i2c0_pins: i2c0 {
 		groups = "i2c0";
 		function = "i2c0";
@@ -95,6 +132,20 @@
 	status = "okay";
 };
 
+&du {
+	pinctrl-0 = <&du_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	ports {
+		port@0 {
+			endpoint {
+				remote-endpoint = <&adv7123_in>;
+			};
+		};
+	};
+};
+
 &ehci0 {
 	status = "okay";
 };
-- 
2.7.4