On Tue, Aug 18, 2020 at 02:20:10PM +0200, Jacopo Mondi wrote:
> Convert the ov772x binding document to json-schema and update
> the MAINTAINERS file accordingly.
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> ---
> .../devicetree/bindings/media/i2c/ov772x.txt | 40 ---------
> .../devicetree/bindings/media/i2c/ov772x.yaml | 84 +++++++++++++++++++
> MAINTAINERS | 2 +-
> 3 files changed, 85 insertions(+), 41 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/media/i2c/ov772x.txt
> create mode 100644 Documentation/devicetree/bindings/media/i2c/ov772x.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/ov772x.txt b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> deleted file mode 100644
> index 0b3ede5b8e6a..000000000000
> --- a/Documentation/devicetree/bindings/media/i2c/ov772x.txt
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -* 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.
> -
> -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>;
> -
> - port {
> - ov772x_0: endpoint {
> - remote-endpoint = <&vcap1_in0>;
> - };
> - };
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/media/i2c/ov772x.yaml b/Documentation/devicetree/bindings/media/i2c/ov772x.yaml
> new file mode 100644
> index 000000000000..2b84fefeb4aa
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ov772x.yaml
> @@ -0,0 +1,84 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/ov772x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Omnivision OV7720/OV7725 CMOS sensor
> +
> +maintainers:
> + - Jacopo Mondi <jacopo@xxxxxxxxxx>
> +
> +description: -|
> + 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.
> +
> +properties:
> + compatible:
> + enum:
> + - ovti,ov7720
> + - ovti,ov7725
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> +
> + reset-gpios:
> + description: -|
You can drop '-|' as there's not any formatting to preserve here.
> + Reference to the GPIO connected to the RSTB pin which is active low.
> + maxItems: 1
> +
> + powerdown-gpios:
> + description: -|
> + Reference to the GPIO connected to the PWDN pin which is active high.
> + maxItems: 1
> +
> + port:
> + type: object
> + description: |
> + 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.
> +
> + properties:
> + endpoint:
> + type: object
> + properties:
> + remote-endpoint:
> + description: A phandle to the bus receiver's endpoint node.
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - reset-gpios
> + - powerdown-gpios
port not required?
Add:
additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> +
> + i2c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + 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>;
> +
> + port {
> + ov772x_0: endpoint {
> + remote-endpoint = <&vcap1_in0>;
> + };
> + };
> + };
> + };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index d1a6173d3b64..d0a20214eaaf 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -12666,7 +12666,7 @@ M: Jacopo Mondi <jacopo@xxxxxxxxxx>
> L: linux-media@xxxxxxxxxxxxxxx
> S: Odd fixes
> T: git git://linuxtv.org/media_tree.git
> -F: Documentation/devicetree/bindings/media/i2c/ov772x.txt
> +F: Documentation/devicetree/bindings/media/i2c/ov772x.yaml
> F: drivers/media/i2c/ov772x.c
> F: include/media/i2c/ov772x.h
>
> --
> 2.27.0
>
