Re: [PATCH] dt-bindings: iio: adc: rockchip-saradc: Fix RV1106 compatible

[Krzysztof Kozlowski]

On Sun, Aug 16, 2026 at 02:36:36PM +0300, Vladislav Leonov wrote:
> rockchip,rv1106-saradc was folded into the fallback enum together
> with rockchip,rk3576-saradc, falling back to rockchip,rk3588-saradc.
> The two IP blocks are not equivalent, though: per the RV1106 TRM v0.3,
> chapter 20 (SAR-ADC), RV1106 only has 2 channels at 10-bit resolution,
> versus 8 channels at 12-bit on RK3588. Documenting it as falling back
> to rk3588-saradc allows device trees that would bind against the wrong
> channel table and report an incorrect voltage scale.
> 
> Remove rockchip,rv1106-saradc from the RK3588 fallback enum and give
> it its own standalone compatible entry, matching the dedicated match
> table entry added by the driver patch.
> 
> Fixes: bdba14f6122c ("dt-bindings: iio: adc: rockchip-saradc: Add RV1106 compatible")
> Link: https://lore.kernel.org/all/20260810090826.146758-1-vlad@xxxxxxx
> Signed-off-by: Vladislav Leonov <vlad@xxxxxxx>
> ---
>  .../devicetree/bindings/iio/adc/rockchip-saradc.yaml         | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml
> index f0551d665916..dc56855527b8 100644
> --- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml
> @@ -22,9 +22,7 @@ properties:
>        - const: rockchip,rk3562-saradc
>        - const: rockchip,rk3588-saradc
>        - items:
> -          - enum:
> -              - rockchip,rk3576-saradc
> -              - rockchip,rv1106-saradc
> +          - const: rockchip,rk3576-saradc
>            - const: rockchip,rk3588-saradc
>        - items:
>            - enum:
> @@ -35,6 +33,7 @@ properties:
>                - rockchip,rv1108-saradc
>                - rockchip,rv1126-saradc
>            - const: rockchip,rk3399-saradc
> +      - const: rockchip,rv1106-saradc

So this goes to an enum with all the other single-entries.

Anyway, where is a driver binding to above compatible (see DT submitting
patches). git grep on a week old next gave me nothing.

Best regards,
Krzysztof