[PATCH v5 5/6] dt-bindings: phy: samsung,usb3-drd-phy: add ExynosAutov920 combo ssphy
Pritam Manohar Sutar
pritam.sutar at samsung.com
Thu Aug 7 05:32:57 PDT 2025
Hi Rob,
> -----Original Message-----
> From: Rob Herring <robh at kernel.org>
> Sent: 07 August 2025 05:13 AM
> To: Pritam Manohar Sutar <pritam.sutar at samsung.com>
> Cc: vkoul at kernel.org; kishon at kernel.org; krzk+dt at kernel.org;
> conor+dt at kernel.org; alim.akhtar at samsung.com; andre.draszik at linaro.org;
> peter.griffin at linaro.org; kauschluss at disroot.org;
> ivo.ivanov.ivanov1 at gmail.com; igor.belwon at mentallysanemainliners.org;
> m.szyprowski at samsung.com; s.nawrocki at samsung.com; linux-
> phy at lists.infradead.org; devicetree at vger.kernel.org; linux-
> kernel at vger.kernel.org; linux-arm-kernel at lists.infradead.org; linux-
> samsung-soc at vger.kernel.org; rosa.pila at samsung.com;
> dev.tailor at samsung.com; faraz.ata at samsung.com;
> muhammed.ali at samsung.com; selvarasu.g at samsung.com
> 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 at samsung.com>
> > ---
> > .../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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