[PATCH 01/13] dt-bindings: iio: adc: add mt6323 PMIC AUXADC

[Krzysztof Kozlowski]

On 04/05/2026 20:24, Roman Vivchar via B4 Relay wrote:
> From: Roman Vivchar <rva333 at protonmail.com>
> 
> The MediaTek mt6323 PMIC includes an AUXADC used for battery voltage,
> temperature, and other internal measurements.
> 
> Add the devicetree binding documentation and the associated header file
> defining the ADC channel constants.
> 
> Tested-by: Ben Grisdale <bengris32 at protonmail.ch> # Amazon Echo Dot (2nd Generation)

Sorry, but that's not possible or explain please how YAML file can be
tested on a device.


> Signed-off-by: Roman Vivchar <rva333 at protonmail.com>
> ---
>  .../bindings/iio/adc/mediatek,mt6323-auxadc.yaml   | 39 ++++++++++++++++++++++
>  .../dt-bindings/iio/adc/mediatek,mt6323-auxadc.h   | 16 +++++++++
>  2 files changed, 55 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/mediatek,mt6323-auxadc.yaml b/Documentation/devicetree/bindings/iio/adc/mediatek,mt6323-auxadc.yaml
> new file mode 100644
> index 000000000000..7dc1ac8bf253
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/mediatek,mt6323-auxadc.yaml
> @@ -0,0 +1,39 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/mediatek,mt6323-auxadc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek MT6323 PMIC AUXADC
> +
> +maintainers:
> +  - Roman Vivchar <rva333 at protonmail.com>
> +
> +description: >
> +  The Auxiliary Analog/Digital Converter (AUXADC) is an ADC found
> +  in the MediaTek MT6323 PMIC, 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:
> +    const: mediatek,mt6323-auxadc
> +
> +  "#io-channel-cells":
> +    const: 1
> +
> +required:
> +  - compatible
> +  - "#io-channel-cells"


This is heavily incomplete node... or unnecessarily split. Why it cannot
be part of parent binding? Or even parent node?


Best regards,
Krzysztof