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From: Xu Yang <xu.yang_2@nxp.com>
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Subject: [PATCH v10 05/11] dt-bindings: usb: ci-hdrc-usb2-imx: add restrictions for reg, interrupts, clock and clock-names properties
Date: Thu, 21 Mar 2024 16:14:33 +0800
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Add restrictions for reg, interrupts, clock and clock-names properties
for imx Socs.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>

---
Changes in v4:
 - new patch since v3's discussion
 - split the reg, interrupts, clock and clock-names properties into
   common part and device-specific
Changes in v5:
 - keep common property unchanged
 - make if-then more readable
 - remove non imx part
Changes in v6:
 - new patch based on ci-hdrc-usb2-imx.yaml
Changes in v7:
 - no changes
Changes in v8:
 - remove if:else:if:else:if:else block
Changes in v9:
 - remove maxItems
 - make clock-names if it's not needed
Changes in v10:
 - add Rb tag
---
 .../bindings/usb/chipidea,usb2-imx.yaml       | 76 +++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/chipidea,usb2-imx.yaml b/Documentation/devicetree/bindings/usb/chipidea,usb2-imx.yaml
index cdbb224e9f68..e2eb60eaf6fe 100644
--- a/Documentation/devicetree/bindings/usb/chipidea,usb2-imx.yaml
+++ b/Documentation/devicetree/bindings/usb/chipidea,usb2-imx.yaml
@@ -49,6 +49,12 @@ properties:
           - const: fsl,imx6ul-usb
           - const: fsl,imx27-usb
 
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
   clocks:
     minItems: 1
     maxItems: 3
@@ -144,6 +150,76 @@ allOf:
             - const: idle
             - const: active
 
+  # imx27 Soc needs three clocks
+  - if:
+      properties:
+        compatible:
+          const: fsl,imx27-usb
+    then:
+      properties:
+        clocks:
+          minItems: 3
+        clock-names:
+          items:
+            - const: ipg
+            - const: ahb
+            - const: per
+
+  # imx25 and imx35 Soc need three clocks
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - fsl,imx25-usb
+              - fsl,imx35-usb
+    then:
+      properties:
+        clocks:
+          minItems: 3
+        clock-names:
+          items:
+            - const: ipg
+            - const: ahb
+            - const: per
+
+  # imx7d Soc need one clock
+  - if:
+      properties:
+        compatible:
+          items:
+            - const: fsl,imx7d-usb
+            - const: fsl,imx27-usb
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+        clock-names: false
+
+  # other Soc need one clock
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - fsl,imx23-usb
+              - fsl,imx28-usb
+              - fsl,imx50-usb
+              - fsl,imx51-usb
+              - fsl,imx53-usb
+              - fsl,imx6q-usb
+              - fsl,imx6sl-usb
+              - fsl,imx6sx-usb
+              - fsl,imx6ul-usb
+              - fsl,imx8mm-usb
+              - fsl,imx8mn-usb
+              - fsl,vf610-usb
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+        clock-names: false
+
 unevaluatedProperties: false
 
 examples:
-- 
2.34.1