RE: [PATCH v5 5/6] dt-bindings: phy: samsung,usb3-drd-phy: add ExynosAutov920 combo ssphy

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Hi Rob,

> -----Original Message-----
> From: Rob Herring <robh@xxxxxxxxxx>
> Sent: 07 August 2025 05:13 AM
> To: Pritam Manohar Sutar <pritam.sutar@xxxxxxxxxxx>
> Cc: vkoul@xxxxxxxxxx; kishon@xxxxxxxxxx; krzk+dt@xxxxxxxxxx;
> conor+dt@xxxxxxxxxx; alim.akhtar@xxxxxxxxxxx; andre.draszik@xxxxxxxxxx;
> peter.griffin@xxxxxxxxxx; kauschluss@xxxxxxxxxxx;
> ivo.ivanov.ivanov1@xxxxxxxxx; igor.belwon@xxxxxxxxxxxxxxxxxxxxxxxxxx;
> m.szyprowski@xxxxxxxxxxx; s.nawrocki@xxxxxxxxxxx; linux-
> phy@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> samsung-soc@xxxxxxxxxxxxxxx; rosa.pila@xxxxxxxxxxx;
> dev.tailor@xxxxxxxxxxx; faraz.ata@xxxxxxxxxxx;
> muhammed.ali@xxxxxxxxxxx; selvarasu.g@xxxxxxxxxxx
> Subject: Re: [PATCH v5 5/6] dt-bindings: phy: samsung,usb3-drd-phy: add
> ExynosAutov920 combo ssphy
> 
> On Tue, Aug 05, 2025 at 05:22:15PM +0530, Pritam Manohar Sutar wrote:
> > This phy supports USB3.1 SSP+(10Gbps) protocol and is backwards
> > compatible to the USB3.0 SS(5Gbps). It requires two clocks, named
> > "phy" and "ref". The required supplies for USB3.1 are named as
> > vdd075_usb30(0.75v), vdd18_usb30(1.8v).
> >
> > Add schemas for combo ssphy found on this SoC.
> >
> > Signed-off-by: Pritam Manohar Sutar <pritam.sutar@xxxxxxxxxxx>
> > ---
> >  .../bindings/phy/samsung,usb3-drd-phy.yaml    | 19
> +++++++++++++++++++
> >  1 file changed, 19 insertions(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
> > b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
> > index 4a84b5405cd2..7a71cff10fb5 100644
> > --- a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-
> phy.yaml
> > +++ b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-
> phy.yaml
> > @@ -34,6 +34,7 @@ properties:
> >        - samsung,exynos7870-usbdrd-phy
> >        - samsung,exynos850-usbdrd-phy
> >        - samsung,exynos990-usbdrd-phy
> > +      - samsung,exynosautov920-usb31drd-combo-ssphy
> >        - samsung,exynosautov920-usbdrd-combo-hsphy
> >        - samsung,exynosautov920-usbdrd-phy
> >
> > @@ -118,6 +119,12 @@ properties:
> >    vdd18-usb20-supply:
> >      description: 1.8V power supply for the USB 2.0 phy.
> >
> > +  dvdd075-usb30-supply:
> > +    description: 0.75V power supply for the USB 3.0 phy.
> > +
> > +  vdd18-usb30-supply:
> > +    description: 1.8V power supply for the USB 3.0 phy.
> > +
> >  required:
> >    - compatible
> >    - clocks
> > @@ -227,6 +234,7 @@ allOf:
> >                - samsung,exynos7870-usbdrd-phy
> >                - samsung,exynos850-usbdrd-phy
> >                - samsung,exynos990-usbdrd-phy
> > +              - samsung,exynosautov920-usb31drd-combo-ssphy
> >                - samsung,exynosautov920-usbdrd-combo-hsphy
> >                - samsung,exynosautov920-usbdrd-phy
> >      then:
> > @@ -258,6 +266,17 @@ allOf:
> >          - vdd18-usb20-supply
> >          - vdd33-usb20-supply
> >
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - samsung,exynosautov920-usb31drd-combo-ssphy
> > +    then:
> > +      required:
> > +        - dvdd075-usb30-supply
> > +        - vdd18-usb30-supply
> 
> Similar issue here.

Will the suggested lines of the code in next version of the patch-set.
Snippet will look as below.

+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,exynosautov920-usb31drd-combo-ssphy
+    then:
+      required:
+        - dvdd075-usb30-supply
+        - vdd18-usb30-supply
+
+    else:
+      properties:
+        dvdd075-usb30-supply: false
+        vdd18-usb30-supply: false

Thank you.

Regards,
Pritam





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