On Fri, Oct 11, 2019 at 09:26:12AM +0530, Manivannan Sadhasivam wrote:
> Add devicetree binding for IMX296 CMOS image sensor.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
> .../devicetree/bindings/media/i2c/imx296.txt | 55 +++++++++++++++++++
> 1 file changed, 55 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/i2c/imx296.txt
You should know by now, use DT schema format please.
> diff --git a/Documentation/devicetree/bindings/media/i2c/imx296.txt b/Documentation/devicetree/bindings/media/i2c/imx296.txt
> new file mode 100644
> index 000000000000..25d3b15162c1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/imx296.txt
> @@ -0,0 +1,55 @@
> +* Sony IMX296 1/2.8-Inch CMOS Image Sensor
> +
> +The Sony IMX296 is a 1/2.9-Inch active pixel type CMOS Solid-state image
> +sensor with square pixel array and 1.58 M effective pixels. This chip features
> +a global shutter with variable charge-integration time. It is programmable
> +through I2C and 4-wire interfaces. The sensor output is available via CSI-2
> +serial data output (1 Lane).
> +
> +Required Properties:
> +- compatible: Should be "sony,imx296"
> +- reg: I2C bus address of the device
> +- clocks: Reference to the mclk clock.
> +- clock-names: Should be "mclk".
> +- clock-frequency: Frequency of the mclk clock in Hz.
> +- vddo-supply: Interface power supply.
> +- vdda-supply: Analog power supply.
> +- vddd-supply: Digital power supply.
> +
> +Optional Properties:
> +- reset-gpios: Sensor reset GPIO
> +
> +The imx296 device node should contain one 'port' child node with
> +an 'endpoint' subnode. For further reading on port node refer to
> +Documentation/devicetree/bindings/media/video-interfaces.txt.
> +
> +Required Properties on endpoint:
> +- data-lanes: check ../video-interfaces.txt
This should only be required when not using all the lanes on the device.
> +- remote-endpoint: check ../video-interfaces.txt
Don't really need to document this.
> +
> +Example:
> + &i2c1 {
> + ...
> + imx296: camera-sensor@1a {
> + compatible = "sony,imx296";
> + reg = <0x1a>;
> +
> + reset-gpios = <&msmgpio 35 GPIO_ACTIVE_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&camera_rear_default>;
> +
> + clocks = <&gcc GCC_CAMSS_MCLK0_CLK>;
> + clock-names = "mclk";
> + clock-frequency = <37125000>;
> +
> + vddo-supply = <&camera_vddo_1v8>;
> + vdda-supply = <&camera_vdda_3v3>;
> + vddd-supply = <&camera_vddd_1v2>;
> +
> + port {
> + imx296_ep: endpoint {
> + data-lanes = <1>;
> + remote-endpoint = <&csiphy0_ep>;
> + };
> + };
> + };
> --
> 2.17.1
>
