On Mon, Apr 16, 2018 at 11:51:47AM +0900, Akinobu Mita wrote: > This adds a device tree binding documentation for OV7720/OV7725 sensor. > > Cc: Jacopo Mondi <jacopo+rene...@jmondi.org> > Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com> > Cc: Hans Verkuil <hans.verk...@cisco.com> > Cc: Sakari Ailus <sakari.ai...@linux.intel.com> > Cc: Mauro Carvalho Chehab <mche...@s-opensource.com> > Cc: Rob Herring <robh...@kernel.org> > Signed-off-by: Akinobu Mita <akinobu.m...@gmail.com>
Reviewed-by: Jacopo Mondi <jac...@jmondi.org>
> ---
> * v2
> - Add "dt-bindings:" in the subject
> - Add a brief description of the sensor
> - Update the GPIO names
> - Indicate the GPIO active level
>
> .../devicetree/bindings/media/i2c/ov772x.txt | 42
> ++++++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 43 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/i2c/ov772x.txt
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> new file mode 100644
> index 0000000..b045503
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> @@ -0,0 +1,42 @@
> +* Omnivision OV7720/OV7725 CMOS sensor
> +
> +The Omnivision OV7720/OV7725 sensor supports multiple resolutions output,
> +such as VGA, QVGA, and any size scaling down from CIF to 40x30. It also can
> +support the YUV422, RGB565/555/444, GRB422 or raw RGB output formats.
> +
> +Required Properties:
> +- compatible: shall be one of
> + "ovti,ov7720"
> + "ovti,ov7725"
> +- clocks: reference to the xclk input clock.
> +- clock-names: shall be "xclk".
> +
> +Optional Properties:
> +- reset-gpios: reference to the GPIO connected to the RSTB pin which is
> + active low, if any.
> +- powerdown-gpios: reference to the GPIO connected to the PWDN pin which is
> + active high, if any.
> +
> +The device node shall contain one 'port' child node with one child 'endpoint'
> +subnode for its digital output video port, in accordance with the video
> +interface bindings defined in Documentation/devicetree/bindings/media/
> +video-interfaces.txt.
> +
> +Example:
> +
> +&i2c0 {
> + ov772x: camera@21 {
> + compatible = "ovti,ov7725";
> + reg = <0x21>;
> + reset-gpios = <&axi_gpio_0 0 GPIO_ACTIVE_LOW>;
> + powerdown-gpios = <&axi_gpio_0 1 GPIO_ACTIVE_LOW>;
> + clocks = <&xclk>;
> + clock-names = "xclk";
> +
> + port {
> + ov772x_0: endpoint {
> + remote-endpoint = <&vcap1_in0>;
> + };
> + };
> + };
> +};
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 0a1410d..f500953 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -10344,6 +10344,7 @@ T: git git://linuxtv.org/media_tree.git
> S: Odd fixes
> F: drivers/media/i2c/ov772x.c
> F: include/media/i2c/ov772x.h
> +F: Documentation/devicetree/bindings/media/i2c/ov772x.txt
>
> OMNIVISION OV7740 SENSOR DRIVER
> M: Wenyou Yang <wenyou.y...@microchip.com>
> --
> 2.7.4
>
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