linux-kernel - [PATCH v5 1/6] dt-bindings: phy: samsung,usb3-drd-phy: add ExynosAutov920 HS phy compatible

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Message-Id: <20250805115216.3798121-2-pritam.sutar@samsung.com>
Date: Tue,  5 Aug 2025 17:22:11 +0530
From: Pritam Manohar Sutar <pritam.sutar@...sung.com>
To: vkoul@...nel.org, kishon@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, alim.akhtar@...sung.com,
	andre.draszik@...aro.org, peter.griffin@...aro.org, kauschluss@...root.org,
	ivo.ivanov.ivanov1@...il.com, igor.belwon@...tallysanemainliners.org,
	m.szyprowski@...sung.com, s.nawrocki@...sung.com, pritam.sutar@...sung.com
Cc: linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, rosa.pila@...sung.com,
	dev.tailor@...sung.com, faraz.ata@...sung.com, muhammed.ali@...sung.com,
	selvarasu.g@...sung.com
Subject: [PATCH v5 1/6] dt-bindings: phy: samsung,usb3-drd-phy: add
 ExynosAutov920 HS phy compatible

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@...sung.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 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
 
 unevaluatedProperties: false
 
-- 
2.34.1