Hi Shunqian, On Wed, Jan 10, 2018 at 10:06:04AM +0800, Shunqian Zheng wrote: > Add device tree binding documentation for the OV5695 sensor. > > Signed-off-by: Shunqian Zheng <zhengsq@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/media/i2c/ov5695.txt | 41 ++++++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/i2c/ov5695.txt > > diff --git a/Documentation/devicetree/bindings/media/i2c/ov5695.txt b/Documentation/devicetree/bindings/media/i2c/ov5695.txt > new file mode 100644 > index 0000000..2f2f698 > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/i2c/ov5695.txt > @@ -0,0 +1,41 @@ > +* Omnivision OV5695 MIPI CSI-2 sensor > + > +Required Properties: > +- compatible: shall be "ovti,ov5695" > +- clocks: reference to the xvclk input clock > +- clock-names: shall be "xvclk" > +- avdd-supply: Analog voltage supply, 2.8 volts > +- dovdd-supply: Digital I/O voltage supply, 1.8 volts > +- dvdd-supply: Digital core voltage supply, 1.2 volts > +- reset-gpios: Low active reset gpio > + > +The device node shall contain one 'port' child node with an > +'endpoint' subnode for its digital output video port, > +in accordance with the video interface bindings defined in > +Documentation/devicetree/bindings/media/video-interfaces.txt. > +The endpoint optional property 'data-lanes' shall be "<1 2>". What happens if the property is not present? What's the default? I would: Required Properties: - compatible: .. .... Option Endpoint Properties: - data-lanes: ... > + > +Example: > +&i2c7 { > + camera-sensor: ov5695@36 { You have inverted the label with the node name which should be generic ov5695: camera@36 { } Thanks j