Re: [PATCH v8 2/8] dt-bindings: phy: qcom,qmp-usb: Add IPQ9574 USB3 PHY

Varadarajan Narayanan
2023-04-21T10:14:18Z

On Thu, Apr 06, 2023 at 09:42:31AM +0200, Krzysztof Kozlowski wrote:
> On 05/04/2023 13:41, Varadarajan Narayanan wrote:
> > Add dt-bindings for USB3 PHY found on Qualcomm IPQ9574
> >
> > Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
> > ---
> > Changes in v8:
> > - Update clock names for ipq9574
> >
> > Changes in v6:
> > - Made power-domains optional
> >
> > Note: In the earlier patch sets, had used the (legacy)
> > specification available in qcom,msm8996-qmp-usb3-phy.yaml. Moved
> > to newer specification in qcom,sc8280xp-qmp-usb3-uni-phy.yaml
> > ---
> > .../phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml | 43 +++++++++++++++++++---
> > 1 file changed, 37 insertions(+), 6 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml
> > index 16fce10..e902a0d 100644
> > --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml
> > +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml
> > @@ -16,6 +16,7 @@ description:
> > properties:
> > compatible:
> > enum:
> > + - qcom,ipq9574-qmp-usb3-phy
> > - qcom,sc8280xp-qmp-usb3-uni-phy
> >
> > reg:
> > @@ -25,11 +26,7 @@ properties:
> > maxItems: 4
> >
> > clock-names:
> > - items:
> > - - const: aux
> > - - const: ref
> > - - const: com_aux
> > - - const: pipe
> > + maxItems: 4
> >
> > power-domains:
> > maxItems: 1
> > @@ -60,7 +57,6 @@ required:
> > - reg
> > - clocks
> > - clock-names
> > - - power-domains
>
> Power domains are required. Commit msg does not explain why this should
> be now optional.

Since IPQ9574 doesn't have power switches couldn't provide power-domains details.
So, had to make it optional to pass 'make dtbs_check'.

Thanks
Varada

> Best regards,
> Krzysztof
>