linux-kernel - [PATCH 1/2] dt-bindings: media: Binding document for OV7251 camera sensor

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Date:   Thu,  8 Feb 2018 10:53:37 +0200
From:   Todor Tomov <todor.tomov@...aro.org>
To:     mchehab@...nel.org, sakari.ailus@...ux.intel.com,
        hverkuil@...all.nl
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Todor Tomov <todor.tomov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: media: Binding document for OV7251 camera sensor

Add the document for ov7251 device tree binding.

CC: Rob Herring <robh+dt@...nel.org>
CC: Mark Rutland <mark.rutland@....com>
CC: devicetree@...r.kernel.org
Signed-off-by: Todor Tomov <todor.tomov@...aro.org>
---
 .../devicetree/bindings/media/i2c/ov7251.txt       | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ov7251.txt

diff --git a/Documentation/devicetree/bindings/media/i2c/ov7251.txt b/Documentation/devicetree/bindings/media/i2c/ov7251.txt
new file mode 100644
index 0000000..c807646
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ov7251.txt
@@ -0,0 +1,51 @@
+* Omnivision 1/7.5-Inch B&W VGA CMOS Digital Image Sensor
+
+The Omnivision OV7251 is a 1/7.5-Inch CMOS active pixel digital image sensor with
+an active array size of 640H x 480V. It is programmable through a serial I2C
+interface.
+
+Required Properties:
+- compatible: Value should be "ovti,ov7251".
+- clocks: Reference to the xclk clock.
+- clock-names: Should be "xclk".
+- clock-frequency: Frequency of the xclk clock.
+- enable-gpios: Chip enable GPIO. Polarity is GPIO_ACTIVE_HIGH. This corresponds
+  to the hardware pin XSHUTDOWN which is physically active low.
+- vdddo-supply: Chip digital IO regulator.
+- vdda-supply: Chip analog regulator.
+- vddd-supply: Chip digital core regulator.
+
+The device node must contain one 'port' child node for its digital output
+video port, in accordance with the video interface bindings defined in
+Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+Example:
+
+	&i2c1 {
+		...
+
+		ov7251: ov7251@60 {
+			compatible = "ovti,ov7251";
+			reg = <0x60>;
+
+			enable-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&camera_bw_default>;
+
+			clocks = <&clks 200>;
+			clock-names = "xclk";
+			clock-frequency = <24000000>;
+
+			vdddo-supply = <&camera_dovdd_1v8>;
+			vdda-supply = <&camera_avdd_2v8>;
+			vddd-supply = <&camera_dvdd_1v2>;
+
+			port {
+				ov7251_ep: endpoint {
+					clock-lanes = <1>;
+					data-lanes = <0>;
+					remote-endpoint = <&csi0_ep>;
+				};
+			};
+		};
+	};
-- 
2.7.4