Re: [PATCH v3 1/3] dt-bindings: iio: adc: mediatek,mt6359-auxadc: add mt6397 PMIC AUXADC

From: Krzysztof Kozlowski

Date: Thu Sep 24 2026 - 08:08:06 EST


On Sun, Sep 20, 2026 at 12:31:51AM -0500, Ryan Brue wrote:
> The MediaTek mt6397 PMIC includes a 10-bit AUXADC used for battery voltage
> and battery temperature measurements. It is not register compatible with
> mt6359: a conversion is requested by writing a channel number to a select
> field and pulsing an edge triggered start bit rather than by setting the
> channel's bit in a request register, and the results live elsewhere.
> It therefore gets its own compatible rather than a fallback.
>
> Add the binding and the header naming the channels a consumer puts in
> io-channels. The battery channel is named for the input it measures,
> ISENSE, which is what mt6323-auxadc calls the same input.
>
> Assisted-by: LLM
> Signed-off-by: Ryan Brue <ryanbrue.dev@xxxxxxxxx>
> ---
> .../devicetree/bindings/iio/adc/mediatek,mt6359-auxadc.yaml | 1 +
> MAINTAINERS | 6 ++++++
> include/dt-bindings/iio/adc/mediatek,mt6397-auxadc.h | 9 +++++++++
> 3 files changed, 16 insertions(+)

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>

Best regards,
Krzysztof