linux-kernel - [PATCH v2 13/18] ARM: dts: imx6q-apalis: Add adv7280 video input

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Date:   Wed, 15 Jun 2022 13:50:01 +0200
From:   Max Krummenacher <max.oss.09@...il.com>
To:     max.krummenacher@...adex.com
Cc:     Oleksandr Suvorov <oleksandr.suvorov@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 13/18] ARM: dts: imx6q-apalis: Add adv7280 video input

From: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>

The Apalis iMX6 modules allow connecting a parallel video input.
Add support for our ADV7280 video input module but have it disabled.
This allows to enable it in an overlay per the current system
configuration.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
Signed-off-by: Max Krummenacher <max.krummenacher@...adex.com>

---

Changes in v2:
- Added "adv,force-bt656-4" property as suggested by Fabio.
  Note: in my PAL setup I didn't see any noticable change.

 arch/arm/boot/dts/imx6qdl-apalis.dtsi | 31 +++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index bbd838acb8d6..6d072aa87952 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -432,6 +432,21 @@
 			  "MXM3_215";
 };
 
+&gpr {
+	ipu1_csi0_mux {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+
+		port@1 {
+			reg = <1>;
+			ipu1_csi0_mux_from_parallel_sensor: endpoint {
+				remote-endpoint = <&adv7280_to_ipu1_csi0_mux>;
+			};
+		};
+	};
+};
+
 &fec {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_enet>;
@@ -657,6 +672,22 @@
 	sda-gpios = <&gpio3 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	status = "disabled";
 
+	adv_7280: adv7280@21 {
+		compatible = "adi,adv7280";
+		adv,force-bt656-4;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_ipu1_csi0>;
+		reg = <0x21>;
+		status = "disabled";
+
+		port {
+			adv7280_to_ipu1_csi0_mux: endpoint {
+				bus-width = <8>;
+				remote-endpoint = <&ipu1_csi0_mux_from_parallel_sensor>;
+			};
+		};
+	};
+
 	ov5640_csi_cam: ov5640_mipi@3c {
 		compatible = "ovti,ov5640";
 		AVDD-supply = <&reg_ov5640_2v8_a_vdd>;
-- 
2.20.1