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

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Date:   Tue, 12 Jul 2022 17:12:18 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Mikhail Rudenko <mike.rudenko@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] media: dt-bindings: media: i2c: document OV4689 DT
 bindings

On 12/07/2022 16:19, 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@...il.com>
> ---
>  .../bindings/media/i2c/ovti,ov4689.yaml       | 122 ++++++++++++++++++
>  MAINTAINERS                                   |   7 +
>  2 files changed, 129 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..6bdebe5862b4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov4689.yaml
> @@ -0,0 +1,122 @@
> +# 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 Sensor Device Tree Bindings

s/Device Tree Bindings//

> +
> +maintainers:
> +  - Mikhail Rudenko <mike.rudenko@...il.com>
> +
> +description: |-

No need for -

> +  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:
> +    maxItems: 1
> +
> +  clock-names:
> +    description:
> +      External clock for the sensor.

This goes to clocks instead.

> +    items:
> +      - const: xclk

No need for clock-names for such case.

> +
> +  dovdd-supply:
> +    description:
> +      Definition of the regulator used as Digital I/O voltage supply.

s/Definition of the regulator used as //

It's redundant...

> +
> +  avdd-supply:
> +    description:
> +      Definition of the regulator used as Analog voltage supply.

Ditto

> +
> +  dvdd-supply:
> +    description:
> +      Definition of the regulator used as Digital core voltage supply.

Ditto

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

s/Reference to the//

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

The same.

> +
> +  orientation: true
> +
> +  rotation: true
> +
> +  port:
> +    $ref: /schemas/graph.yaml#/$defs/port-base
> +    additionalProperties: false
> +    description:
> +      Output port node, single endpoint describing the CSI-2 transmitter.
> +
> +    properties:
> +      endpoint:
> +        $ref: /schemas/media/video-interfaces.yaml#
> +        unevaluatedProperties: false
> +

Best regards,
Krzysztof