On Tue, Aug 05, 2025 at 05:22:11PM +0530, Pritam Manohar Sutar wrote:
> This SoC has USB2.0 phy and supports only UTMI+ interface. This phy
> requires two clocks, named as "phy" and "ref". The required supplies for
> this phy are vdd075_usb20(0.75v), vdd18_usb20(1.8v), vdd33_usb20(3.3v).
>
> Add a dedicated compatible string for USB HS phy found in 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 e906403208c0..1932a2272ef9 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-usbdrd-phy
>
> clocks:
> minItems: 1
> @@ -110,6 +111,12 @@ properties:
> vddh-usbdp-supply:
> description: VDDh power supply for the USB DP phy.
>
> + dvdd075-usb20-supply:
> + description: 0.75V power supply for the USB 2.0 phy.
> +
> + vdd18-usb20-supply:
> + description: 1.8V power supply for the USB 2.0 phy.
> +
> required:
> - compatible
> - clocks
> @@ -219,6 +226,7 @@ allOf:
> - samsung,exynos7870-usbdrd-phy
> - samsung,exynos850-usbdrd-phy
> - samsung,exynos990-usbdrd-phy
> + - samsung,exynosautov920-usbdrd-phy
> then:
> properties:
> clocks:
> @@ -235,6 +243,17 @@ allOf:
>
> reg-names:
> maxItems: 1
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - samsung,exynosautov920-usbdrd-phy
> + then:
> + required:
> + - dvdd075-usb20-supply
> + - vdd18-usb20-supply
> + - vdd33-usb20-supply
Presumably the existing devices don't have these new supplies, so:
else:
properties:
dvdd075-usb20-supply: false
vdd18-usb20-supply: false
