Re: [PATCH v3 1/2] dt-bindings: media: i2c: Add DW9719 and DW9761 VCM

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Hi André,

Thanks for the update.

On Sun, Feb 09, 2025 at 10:51:57PM +0100, André Apitzsch via B4 Relay wrote:
> From: André Apitzsch <git@xxxxxxxxxxx>
> 
> Document Dongwoon DW9719 and DW9761 VCM devicetree bindings.
> 
> Signed-off-by: André Apitzsch <git@xxxxxxxxxxx>
> ---
>  .../bindings/media/i2c/dongwoon,dw9719.yaml        | 45 ++++++++++++++++++++++
>  1 file changed, 45 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9719.yaml b/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9719.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..b38d22bf09713a7999e1f9ce6553de7587dbe5d2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/dongwoon,dw9719.yaml
> @@ -0,0 +1,45 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/i2c/dongwoon,dw9719.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Dongwoon Anatech DW9719 Voice Coil Motor (VCM) Controller
> +
> +maintainers:
> +  - devicetree@xxxxxxxxxxxxxxx
> +
> +description:
> +  The Dongwoon DW9719 is a 10-bit digital-to-analog (DAC) converter. The DAC
> +  is controlled via a 2-wire (I2C-compatible) serial interface.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - dongwoon,dw9719
> +      - dongwoon,dw9761
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdd-supply:
> +    description: Regulator providing power to the "VDD" pin.

The driver uses dongwoon,sac-mode and dongwoon,vcm-freq properties. Could
you document them as well, please, including the defaults? Are the values
the same for both chips?

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        camera-lens@c {
> +            compatible = "dongwoon,dw9761";
> +            reg = <0x0c>;
> +            vdd-supply = <&pm8916_l10>;
> +        };
> +    };
> 

-- 
Regards,

Sakari Ailus




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