[PATCH v2 2/9] dt-bindings: usb: ci-hdrc-usb2: require clocks and resets for spacemit,k1-usb2

Junzhong Pan panjunzhong at linux.spacemit.com
Tue Sep 8 02:48:39 PDT 2026


Chipidea USB2 Controller on SpacemiT K1 requires 1 clock and 1 reset to
work, add constraints for it.

Signed-off-by: Junzhong Pan <panjunzhong at linux.spacemit.com>
---
 Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
index 6f8d88a0681d..5c2b7eb1a6ff 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
@@ -114,6 +114,20 @@ allOf:
           maxItems: 2
         clock-names:
           maxItems: 2
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: spacemit,k1-usb2
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+        resets:
+          minItems: 1
+      required:
+        - clocks
+        - resets
 
 unevaluatedProperties: false
 

-- 
2.34.1




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