[PATCH 1/2] dt-bindings: media: Binding document for OV7251 camera sensor
From: Todor Tomov <hidden>
Date: 2018-02-08 09:03:10
Add the document for ov7251 device tree binding. CC: Rob Herring <robh+dt@kernel.org> CC: Mark Rutland <mark.rutland@arm.com> CC: devicetree@vger.kernel.org Signed-off-by: Todor Tomov <redacted> --- .../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>; + }; + }; + }; + };
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2.7.4