Re: [PATCH v2 1/2] dt-bindings: media: i2c: Add IMX519 CMOS sensor binding

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On 02/11/2022 23:04, lee wrote:
> Add YAML device tree binding for IMX519 CMOS image sensor, and
> the relevant MAINTAINERS entries.
> 
> Signed-off-by: Lee Jackson <lee@xxxxxxxxxxx>

Your From does not match fully SoB.

> ---
>  .../bindings/media/i2c/sony,imx519.yaml       | 107 ++++++++++++++++++
>  MAINTAINERS                                   |   9 ++
>  2 files changed, 116 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/sony,imx519.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx519.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx519.yaml
> new file mode 100644
> index 000000000000..9b6cda96f613
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx519.yaml
> @@ -0,0 +1,107 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/sony,imx519.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sony 1/2.5-Inch 16Mpixel CMOS Digital Image Sensor
> +
> +maintainers:
> +  - Lee Jackson <lee@xxxxxxxxxxx>
> +
> +description: |-
> +  The Sony IMX519 is a 1/2.5-inch CMOS active pixel digital image sensor
> +  with an active array size of 4656H x 3496V. It is programmable through
> +  I2C interface. The I2C address is fixed to 0x1A as per sensor data sheet.
> +  Image data is sent through MIPI CSI-2, which is configured as either 2 or
> +  4 data lanes.
> +
> +properties:
> +  compatible:
> +    const: sony,imx519
> +
> +  reg:
> +    description: I2C device address

Skip description.

> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  VDIG-supply:

Use lower case names.

> +    description:
> +      Digital I/O voltage supply, 1.05 volts
> +
> +  VANA-supply:
> +    description:
> +      Analog voltage supply, 2.8 volts
> +
> +  VDDL-supply:
> +    description:
> +      Digital core voltage supply, 1.8 volts
> +
> +  reset-gpios:
> +    description: |-
> +      Reference to the GPIO connected to the xclr pin, if any.
> +      Must be released (set high) after all supplies and INCK are applied.
> +
> +port:
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    additionalProperties: false
> +
> +    properties:
> +      endpoint:
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> +
> +        properties:
> +          data-lanes:
> +            description: |-
> +              The driver only supports two-lane operation.

Please describe the hardware, not driver.

> +            items:
> +              - const: 1
> +              - const: 2
> +
> +          clock-noncontinuous: true
> +          link-frequencies: true

I think these are coming from video-interfaces, so no need for them.

> +
> +        required:
> +          - data-lanes
> +          - link-frequencies
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - VANA-supply
> +  - VDIG-supply
> +  - VDDL-supply
> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c0 {

i2c

> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +

> +        imx519: sensor@1a {
> +            compatible = "sony,imx519";
> +            reg = <0x1a>;
> +            clocks = <&imx519_clk>;
> +            VANA-supply = <&imx519_vana>;   /* 2.8v */
> +            VDIG-supply = <&imx519_vdig>;   /* 1.05v */
> +            VDDL-supply = <&imx519_vddl>;   /* 1.8v */
> +
> +            port {
> +                imx519_0: endpoint {
> +                    remote-endpoint = <&csi1_ep>;
> +                    data-lanes = <1 2>;
> +                    clock-noncontinuous;
> +                    link-frequencies = /bits/ 64 <493500000>;
> +                };
> +            };
> +        };
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index e04d944005ba..5a617ab8c9b2 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -19236,6 +19236,15 @@ T:	git git://linuxtv.org/media_tree.git
>  F:	Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml
>  F:	drivers/media/i2c/imx412.c
>  
> +SONY IMX519 SENSOR DRIVER
> +M:	Arducam Kernel Maintenance <info@xxxxxxxxxxx>
> +M:	Lee Jackson <lee@xxxxxxxxxxx>
> +L:	linux-media@xxxxxxxxxxxxxxx
> +S:	Maintained
> +T:	git git://linuxtv.org/media_tree.git
> +F:	Documentation/devicetree/bindings/media/i2c/sony,imx519.yaml
> +F:	drivers/media/i2c/imx519.c

The file does not exist, so path is not correct (yet). Add it in 2/2.


Best regards,
Krzysztof




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