Re: [PATCH v2 1/2] media: dt-bindings: media: i2c: document OV4689 DT bindings

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On 11/09/2022 22:01, Mikhail Rudenko wrote:
> Add device-tree binding documentation for OV4689 image sensor driver,
> and the relevant MAINTAINERS entries.
> 
> Signed-off-by: Mikhail Rudenko <mike.rudenko@xxxxxxxxx>

Too many "media" prefixes in the subject. Also you duplicated dt
bindings as prefix and commit msg (skip the latter).

> ---
>  .../bindings/media/i2c/ovti,ov4689.yaml       | 141 ++++++++++++++++++
>  MAINTAINERS                                   |   7 +
>  2 files changed, 148 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml
> new file mode 100644
> index 000000000000..376330b5572a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml
> @@ -0,0 +1,141 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/ovti,ov4689.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Omnivision OV4689 CMOS
> +
> +maintainers:
> +  - Mikhail Rudenko <mike.rudenko@xxxxxxxxx>
> +
> +description: |
> +  The Omnivision OV4689 is a high performance, 1/3-inch, 4 megapixel
> +  image sensor. Ihis chip supports high frame rate speeds up to 90 fps
> +  at 2688x1520 resolution. It is programmable through an I2C
> +  interface, and sensor output is sent via 1/2/4 lane MIPI CSI-2
> +  connection.
> +
> +allOf:
> +  - $ref: /schemas/media/video-interface-devices.yaml#
> +
> +properties:
> +  compatible:
> +    const: ovti,ov4689
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    description:
> +      External clock (XVCLK) for the sensor, 6-64 MHz
> +    maxItems: 1
> +
> +  clock-names: true

This has to be strictly defined - which name you expect.

> +
> +  dovdd-supply:
> +    description:
> +      Digital I/O voltage supply, 1.7-3.0 V
> +
> +  avdd-supply:
> +    description:
> +      Analog voltage supply, 2.6-3.0 V
> +
> +  dvdd-supply:
> +    description:
> +      Digital core voltage supply, 1.1-1.3 V
> +
> +  powerdown-gpios:
> +    maxItems: 1

You can skip here maxItems - it is defined by gpio-consumer-common.

> +    description:
> +      GPIO connected to the powerdown pin (active low)
> +
> +  reset-gpios:
> +    maxItems: 1
> +    description:
> +      GPIO connected to the reset pin (active low)
> +

Best regards,
Krzysztof



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