Re: [PATCH v6 2/4] dt-bindings: hwmon: pmbus: add MPS MPQ8646

Guenter Roeck <[email protected]> Wed, 29 Jul 2026 21:10:52 -0700
Newsgroups org.kernel.vger.linux-hwmon,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On 7/29/26 14:51, Vincent Jardin via B4 Relay wrote:
> From: Vincent Jardin <[email protected]>
> 
> The MPS MPQ8646 PMBus step-down converter uses the same
> mps,vout-fb-divider-ratio-permille property with the same constraints
> (maximum 2047, default 706) as the mps,mpq8785, so add its compatible
> to the existing schema.
> 

The driver is a separate driver, making this a bit unusual.
I'll leave it up to the devicetree maintainers to decide if
this should be a new bindings file or not.

Guenter

> Signed-off-by: Vincent Jardin <[email protected]>
> ---
>   Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml
> index 90970a0433e9..d7a32fb3b7af 100644
> --- a/Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml
> +++ b/Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml
> @@ -18,6 +18,7 @@ properties:
>         - mps,mpm3695
>         - mps,mpm3695-25
>         - mps,mpm82504
> +      - mps,mpq8646
>         - mps,mpq8785
>   
>     reg:
> @@ -52,7 +53,9 @@ allOf:
>     - if:
>         properties:
>           compatible:
> -          const: mps,mpq8785
> +          enum:
> +            - mps,mpq8646
> +            - mps,mpq8785
>       then:
>         properties:
>           mps,vout-fb-divider-ratio-permille:
>