Re: [PATCH 2/2] media: dt-bindings: Add Sony IMX728

[Alexander Stein <alexander.stein@ew.tq-group.com>]

Hi Spencer,

thanks for the patch.

Am Mittwoch, 26. Juni 2024, 23:15:29 CEST schrieb Spencer Hill:
> Add bindings for Sony IMX728.
> 
> Signed-off-by: Spencer Hill <shill@d3engineering.com>
> ---
>  .../bindings/media/i2c/sony,imx728.yaml       | 78 +++++++++++++++++++
>  MAINTAINERS                                   |  9 +++
>  2 files changed, 87 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml
> new file mode 100644
> index 000000000000..613042ab5abe
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml
> @@ -0,0 +1,78 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/sony,imx728.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sony IMX728 Camera Sensor
> +
> +maintainers:
> +  - Spencer Hill <shill@d3engineering.com>
> +
> +description: |-
> +  Sony IMX728 camera sensor.

Are there some more information? Like max resolution, image format, bpp, framerate, etc.

> +
> +properties:
> +  compatible:
> +    enum:
> +      - sony,imx728
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    const: inck

Are there any restrictions about frequency? Like a specific set of
frequencies?

> +
> +  xclr-gpios:

reset-gpios, see sony.imx290.yaml

> +    maxItems: 1
> +    description:
> +      Specifier for the GPIO connected to the XCLR (System Reset) pin.

No voltage supplies?

> +
> +  port:
> +    $ref: /schemas/graph.yaml#/properties/port
> +    additionalProperties: false
> +
> +    properties:
> +      endpoint:
> +        $ref: ../video-interfaces.yaml#
> +        unevaluatedProperties: false

Which data-lane configuration is allowed? 4 lanes only? or 2 lanes?

Best regards,
Alexander

> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - port
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c {
> +        clock-frequency = <400000>;
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        camera@1a {
> +            compatible = "sony,imx728";
> +            reg = <0x1a>;
> +
> +            clocks = <&fixed_clock>;
> +            clock-names = "inck";
> +
> +            xclr-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
> +
> +            port {
> +                camera1: endpoint {
> +                    remote-endpoint = <&vin1a_ep>;
> +                };
> +            };
> +        };
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index ef6be9d95143..34fde35eb0bd 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -20589,6 +20589,15 @@ T:     git git://linuxtv.org/media_tree.git
>  F:     Documentation/devicetree/bindings/media/i2c/sony,imx415.yaml
>  F:     drivers/media/i2c/imx415.c
> 
> +SONY IMX728 SENSOR DRIVER
> +M:     Spencer Hill <shill@d3engineering.com>
> +L:     linux-media@vger.kernel.org
> +S:     Maintained
> +T:     git git://linuxtv.org/media_tree.git
> +F:     Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml
> +F:     drivers/media/i2c/imx728.c
> +F:     drivers/media/i2c/imx728.h
> +
>  SONY MEMORYSTICK SUBSYSTEM
>  M:     Maxim Levitsky <maximlevitsky@gmail.com>
>  M:     Alex Dubov <oakad@yahoo.com>
> --
> 2.40.1
> 
> Please be aware that this email includes email addresses outside of the organization.
> 
> 


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