On Sun, Dec 23, 2018 at 02:12:44AM +0900, Akinobu Mita wrote:
> Add device tree binding documentation for the MT9M001 CMOS image sensor.
>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
> Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
> Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
> ---
> .../devicetree/bindings/media/i2c/mt9m001.txt | 37 ++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/i2c/mt9m001.txt
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/mt9m001.txt b/Documentation/devicetree/bindings/media/i2c/mt9m001.txt
> new file mode 100644
> index 0000000..794b787
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/mt9m001.txt
> @@ -0,0 +1,37 @@
> +MT9M001: 1/2-Inch Megapixel Digital Image Sensor
> +
> +The MT9M001 is an SXGA-format with a 1/2-inch CMOS active-pixel digital
> +image sensor. It is programmable through a simple two-wire serial
> +interface.
I2C?
> +
> +Required Properties:
> +
> +- compatible: shall be "onnn,mt9m001".
> +- clocks: reference to the master clock into sensor
> +
> +Optional Properties:
> +
> +- reset-gpios: GPIO handle which is connected to the reset pin of the chip.
> + Active low.
> +- standby-gpios: GPIO handle which is connected to the standby pin of the chip.
> + Active high.
> +
> +For further reading on port node refer to
> +Documentation/devicetree/bindings/media/video-interfaces.txt.
You still need to state how many ports/endpoints and what they are.
> +
> +Example:
> +
> + &i2c1 {
> + mt9m001@5d {
camera-sensor@5d
> + compatible = "onnn,mt9m001";
> + reg = <0x5d>;
> + reset-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
> + standby-gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
> + clocks = <&camera_clk>;
> + port {
> + mt9m001_out: endpoint {
> + remote-endpoint = <&vcap_in>;
> + };
> + };
> + };
> + };
> --
> 2.7.4
>
