Add the document for ov7251 device tree binding.
CC: Rob Herring <robh@xxxxxxxxxx>
CC: Mark Rutland <mark.rutland@xxxxxxx>
CC: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Todor Tomov <todor.tomov@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
.../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..4ee6888
--- /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: camera-sensor@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
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