Re: [PATCH 1/2] media: dt-bindings: media: i2c: Document GC08A3 bindings

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On Thu, Nov 23, 2023 at 07:51:03PM +0800, Zhi Mao wrote:
> Add YAML device tree binding for GC08A3 CMOS image sensor, 
> and the relevant MAINTAINERS entries.
> 
> Signed-off-by: Zhi Mao <zhi.mao@xxxxxxxxxxxx>

Please test your bindings.

> ---
>  .../bindings/media/i2c/galaxycore,gc08a3.yaml | 128 ++++++++++++++++++
>  .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
>  2 files changed, 130 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/galaxycore,gc08a3.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/galaxycore,gc08a3.yaml b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc08a3.yaml
> new file mode 100644
> index 000000000000..089ea321da91
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc08a3.yaml
> @@ -0,0 +1,128 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/galaxycore,gc08a3.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: GalaxyCore gc08a3 1/4" 8M Pixel MIPI CSI-2 sensor
> +
> +maintainers:
> +  - Zhi Mao <zhi.mao@xxxxxxxxxxxx>
> +
> +description: |-

The |- is not needed, you have no formatting to preserve.

> +  The gc08a3 is a raw image sensor with an MIPI CSI-2 image data
> +  interface and CCI (I2C compatible) control bus. The output format
> +  is raw Bayer.
> +
> +properties:
> +  compatible:
> +    const: GalaxyCore,gc08a3

Please remove the capitals.

> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Reference to the mclk clock.

Pointless, just use maxItems: 1.

> +
> +  assigned-clocks:
> +    maxItems: 1
> +
> +  assigned-clock-rates:
> +    maxItems: 1
> +
> +  enable-gpios:
> +    description: Reference to the GPIO connected to the RESETB pin. Active low.
> +    maxItems: 1
> +

> +  vddio-supply:
> +    description: Definition of the regulator used for the VDDIO power supply.
> +
> +  vdda-supply:
> +    description: Definition of the regulator used for the VDDA power supply.
> +
> +  vddd-supply:
> +    description: Definition of the regulator used for the VDDD power supply.

These descriptions can all be replaced with "foo-supply: true" IMO.

> +  port:
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    unevaluatedProperties: false
> +
> +    properties:
> +      endpoint:
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> +
> +        properties:
> +          data-lanes:
> +            oneOf:
> +              - items:
> +                  - const: 1
> +                  - const: 2
> +                  - const: 3
> +                  - const: 4
> +              - items:
> +                  - const: 1
> +                  - const: 2
> +
> +          link-frequencies: true
> +
> +        required:
> +          - data-lanes
> +          - link-frequencies
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks

> +  - assigned-clocks
> +  - assigned-clock-rates

Why are these required?

> +  - vddio-supply
> +  - vdda-supply
> +  - vddd-supply
> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        sensor0@2 {
> +            status = "okay";
> +            compatible = "GalaxyCore,gc08a3";
> +            reg = <0x31>;
> +
> +            clocks = <&topckgen CLK_TOP_CAMTG>,
> +                <&topckgen CLK_TOP_UNIVPLL_192M_D8>;
> +            clock-names = "xvclk", "freq_mux";
> +            clock-frequency = <24000000>;
> +
> +            assigned-clocks = <&topckgen CLK_TOP_CAMTG>,
> +                    <&topckgen CLK_TOP_UNIVPLL_192M_D8>;
> +            assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL_192M_D8>;
> +            assigned-clock-rates = <0>, <24000000>;
> +
> +            enable-gpios = <&pio 19 GPIO_ACTIVE_HIGH>;
> +
> +            pinctrl-names = "default";
> +            pinctrl-0 = <&camera_pins_cam0>;
> +
> +            avdd-supply = <&mt6359_vfe28_ldo_reg>;
> +
> +            port {
> +                sensor0_out_2: endpoint {
> +                    data-lanes = <1 2 3 4>;
> +                    link-frequencies = /bits/ 64 <336000000 207000000>;
> +                    remote-endpoint = <&seninf_csi_port_0_in_2>;
> +                };
> +            };
> +        };
> +
> +    };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> index 309b94c328c8..a0bbec0bfee2 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> @@ -502,6 +502,8 @@ patternProperties:
>      description: Fujitsu Ltd.
>    "^fxtec,.*":
>      description: FX Technology Ltd.
> +  "^GalaxyCore,.*":
> +    description: GalaxyCore Inc.
>    "^gardena,.*":
>      description: GARDENA GmbH
>    "^gateway,.*":
> -- 
> 2.25.1
> 

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