linux-kernel - [PATCH v3 09/15] dt-bindings: usb: dwc3: Add support for rk3562

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Message-Id: <20250227111913.2344207-10-kever.yang@rock-chips.com>
Date: Thu, 27 Feb 2025 19:19:07 +0800
From: Kever Yang <kever.yang@...k-chips.com>
To: heiko@...ech.de
Cc: linux-rockchip@...ts.infradead.org,
	Kever Yang <kever.yang@...k-chips.com>,
	devicetree@...r.kernel.org,
	Conor Dooley <conor+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 09/15] dt-bindings: usb: dwc3: Add support for rk3562

The USB dwc3 core on Rockchip's RK3562 is the same as the one already
included in generic snps,dwc3. Extend the binding accordingly to allow

	compatible = "rockchip,rk3562-dwc3", "snps,dwc3";

There are 4 clocks with different name sequency, add schema for it.

Signed-off-by: Kever Yang <kever.yang@...k-chips.com>
---

Changes in v3:
- Update commit message and add per device schema for clock name change

Changes in v2: None

 .../bindings/usb/rockchip,dwc3.yaml           | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
index a21cc098542d..fba2cb05ecba 100644
--- a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
@@ -26,6 +26,7 @@ select:
       contains:
         enum:
           - rockchip,rk3328-dwc3
+          - rockchip,rk3562-dwc3
           - rockchip,rk3568-dwc3
           - rockchip,rk3576-dwc3
           - rockchip,rk3588-dwc3
@@ -37,6 +38,7 @@ properties:
     items:
       - enum:
           - rockchip,rk3328-dwc3
+          - rockchip,rk3562-dwc3
           - rockchip,rk3568-dwc3
           - rockchip,rk3576-dwc3
           - rockchip,rk3588-dwc3
@@ -72,6 +74,7 @@ properties:
       - enum:
           - grf_clk
           - utmi
+          - pipe
       - const: pipe
 
   power-domains:
@@ -111,6 +114,22 @@ allOf:
             - const: suspend_clk
             - const: bus_clk
             - const: grf_clk
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3562-dwc3
+    then:
+      properties:
+        clocks:
+          minItems: 4
+          maxItems: 4
+        clock-names:
+          items:
+            - const: ref_clk
+            - const: suspend_clk
+            - const: bus_clk
+            - const: pipe
   - if:
       properties:
         compatible:
-- 
2.25.1