The USBDRD31 5nm controller consists of Synopsys USB20 femptoPhy and
USB31 SSP+ combophy. Document support for the USB31 SSP+ phy found on
combophy of the ExynosAutov920 SoC.

Signed-off-by: Pritam Manohar Sutar <pritam.sutar@samsung.com>
---
 .../bindings/phy/samsung,usb3-drd-phy.yaml     | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
index 4a8bcf63cd91..72d41ccdb090 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
 
@@ -230,6 +231,7 @@ 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:
@@ -254,18 +256,32 @@ allOf:
         compatible:
           contains:
             enum:
+              - samsung,exynosautov920-usb31drd-combo-ssphy
               - samsung,exynosautov920-usbdrd-combo-hsphy
               - samsung,exynosautov920-usbdrd-phy
     then:
       required:
         - dvdd-supply
         - vdd18-supply
-        - vdd33-supply
 
     else:
       properties:
         dvdd-supply: false
         vdd18-supply: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,exynosautov920-usbdrd-combo-hsphy
+              - samsung,exynosautov920-usbdrd-phy
+    then:
+      required:
+        - vdd33-supply
+
+    else:
+      properties:
         vdd33-supply: false
 
 unevaluatedProperties: false
-- 
2.34.1

Hi pritam

> -----Original Message-----
> From: Pritam Manohar Sutar <pritam.sutar@samsung.com>
> Sent: Wednesday, September 3, 2025 1:08 PM
> To: vkoul@kernel.org; kishon@kernel.org; robh@kernel.org;
> krzk+dt@kernel.org; conor+dt@kernel.org; alim.akhtar@samsung.com;
> andre.draszik@linaro.org; peter.griffin@linaro.org; kauschluss@disroot.org;
> ivo.ivanov.ivanov1@gmail.com; igor.belwon@mentallysanemainliners.org;
> m.szyprowski@samsung.com; s.nawrocki@samsung.com;
> pritam.sutar@samsung.com
> Cc: linux-phy@lists.infradead.org; devicetree@vger.kernel.org; linux-
> kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
> samsung-soc@vger.kernel.org; rosa.pila@samsung.com;
> dev.tailor@samsung.com; faraz.ata@samsung.com;
> muhammed.ali@samsung.com; selvarasu.g@samsung.com
> Subject: [PATCH v8 5/6] dt-bindings: phy: samsung,usb3-drd-phy: add
> ExynosAutov920 combo ssphy
> 
> The USBDRD31 5nm controller consists of Synopsys USB20 femptoPhy and
> USB31 SSP+ combophy. Document support for the USB31 SSP+ phy found on
> combophy of the ExynosAutov920 SoC.
> 
> Signed-off-by: Pritam Manohar Sutar <pritam.sutar@samsung.com>
> ---
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>