linux-kernel - [PATCH v2 2/8] dt-bindings: phy: snps-eusb2: add exynos2200 support

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Message-ID: <20250223122227.725233-3-ivo.ivanov.ivanov1@gmail.com>
Date: Sun, 23 Feb 2025 14:22:21 +0200
From: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
To: Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Abel Vesa <abel.vesa@...aro.org>
Cc: linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/8] dt-bindings: phy: snps-eusb2: add exynos2200 support

Exynos 2200 makes use of the Synposys eUSB2 IP, so document it in the
binding. Unlike the currently documented Qualcomm SoCs, it doesn't provide
reset lines for reset control and uses more clocks.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov@...il.com>
---
 .../bindings/phy/snps,eusb2-phy.yaml          | 64 +++++++++++++++++--
 1 file changed, 57 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/snps,eusb2-phy.yaml b/Documentation/devicetree/bindings/phy/snps,eusb2-phy.yaml
index 22c77968f..f4164db71 100644
--- a/Documentation/devicetree/bindings/phy/snps,eusb2-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/snps,eusb2-phy.yaml
@@ -23,6 +23,7 @@ properties:
               - qcom,x1e80100-snps-eusb2-phy
           - const: qcom,sm8550-snps-eusb2-phy
       - const: qcom,sm8550-snps-eusb2-phy
+      - const: samsung,exynos2200-snps-eusb2-phy
 
   reg:
     maxItems: 1
@@ -31,12 +32,12 @@ properties:
     const: 0
 
   clocks:
-    items:
-      - description: ref
+    minItems: 1
+    maxItems: 3
 
   clock-names:
-    items:
-      - const: ref
+    minItems: 1
+    maxItems: 3
 
   resets:
     maxItems: 1
@@ -58,11 +59,60 @@ required:
   - compatible
   - reg
   - "#phy-cells"
-  - clocks
-  - clock-names
   - vdd-supply
   - vdda12-supply
-  - resets
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sm8550-snps-eusb2-phy
+
+    then:
+      properties:
+        reg:
+          maxItems: 1
+
+        clocks:
+          items:
+            - description: ref
+
+        clock-names:
+          items:
+            - const: ref
+
+      required:
+        - clocks
+        - clock-names
+        - resets
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,exynos2200-snps-eusb2-phy
+
+    then:
+      properties:
+
+        clocks:
+          items:
+            - description: Reference clock
+            - description: Bus (APB) clock
+            - description: Control clock
+
+        clock-names:
+          items:
+            - const: ref
+            - const: bus
+            - const: ctrl
+
+      required:
+        - clocks
+        - clock-names
 
 additionalProperties: false
 
-- 
2.43.0