Re: [PATCH v2 1/2] dt: bindings: add dt entry for XO calibration support

From: Rob Herring
Date: Wed Feb 01 2023 - 12:20:17 EST


On Tue, Jan 31, 2023 at 07:02:16PM +0100, Krzysztof Kozlowski wrote:
> On 31/01/2023 15:03, Youghandhar Chintala wrote:
> > Add dt binding to get XO calibration data support for Wi-Fi RF clock.
>
> Use subject prefixes matching the subsystem (which you can get for
> example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
> your patch is touching).
> Hint: dt-bindings: net: qcom,ath11k:
>
> >
> > Signed-off-by: Youghandhar Chintala <quic_youghand@xxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/net/wireless/qcom,ath11k.yaml | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
> > index f7cf135aa37f..205ee949daba 100644
> > --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
> > +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
> > @@ -41,6 +41,10 @@ properties:
> > * reg
> > * reg-names
> >
> > + xo-cal-data:
> > + description:
> > + XO cal offset to be configured in XO trim register
>
> Missing type. I also do not understand what's this and why some register
> offset should be stored in DT. Please give us some justification why
> this is suitable for DT.

I think that's a voltage offset or something, but you are right, we
shouldn't have to guess.

It needs a vendor prefix, too.

Rob