Re: [PATCH v2 1/5] dt-bindings: iio: adc: Add MediaTek MT6359 PMIC AUXADC

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On Tue, Jun 04, 2024 at 02:30:04PM +0200, AngeloGioacchino Del Regno wrote:
> Add a new binding for the MT6350 Series (MT6357/8/9) PMIC AUXADC,
> providing various ADC channels for both internal temperatures and
> voltages, audio accessory detection (hp/mic/hp+mic and buttons,
> usually on a 3.5mm jack) other than some basic battery statistics
> on boards where the battery is managed by this PMIC.
> 
> Also add the necessary dt-binding headers for devicetree consumers.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> ---
>  .../iio/adc/mediatek,mt6359-auxadc.yaml       | 33 +++++++++++++++++++
>  .../iio/adc/mediatek,mt6357-auxadc.h          | 21 ++++++++++++
>  .../iio/adc/mediatek,mt6358-auxadc.h          | 22 +++++++++++++
>  .../iio/adc/mediatek,mt6359-auxadc.h          | 22 +++++++++++++
>  4 files changed, 98 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml
>  create mode 100644 include/dt-bindings/iio/adc/mediatek,mt6357-auxadc.h
>  create mode 100644 include/dt-bindings/iio/adc/mediatek,mt6358-auxadc.h
>  create mode 100644 include/dt-bindings/iio/adc/mediatek,mt6359-auxadc.h
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml b/Documentation/devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml
> new file mode 100644
> index 000000000000..6497c416094d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml
> @@ -0,0 +1,33 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/mediatek,mt6359-auxadc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek MT6350 series PMIC AUXADC
> +
> +maintainers:
> +  - AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> +
> +description:
> +  The Auxiliary Analog/Digital Converter (AUXADC) is an ADC found
> +  in some MediaTek PMICs, performing various PMIC related measurements
> +  such as battery and PMIC internal voltage regulators temperatures,
> +  accessory detection resistance (usually, for a 3.5mm audio jack)
> +  other than voltages for various PMIC internal components.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt6357-auxadc
> +      - mediatek,mt6358-auxadc
> +      - mediatek,mt6359-auxadc
> +
> +  "#io-channel-cells":
> +    const: 1

Why do you need a node here? Just add #io-channel-cells to the parent 
node.

> +
> +required:
> +  - compatible
> +  - "#io-channel-cells"
> +
> +additionalProperties: false




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