dt-bindings: phy: add QMP USB PHY schema

The QMP PHY DT schema is getting unwieldy. Break out the USB PHY
binding in a separate file.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220830112923.3725-20-johan+linaro@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml → Documentation/devicetree/bindings/phy/qcom,qmp-usb-phy.yaml

 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
-
 %YAML 1.2
 ---
-$id: "http://devicetree.org/schemas/phy/qcom,qmp-phy.yaml#"
-$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+$id: http://devicetree.org/schemas/phy/qcom,qmp-usb-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Qualcomm QMP PHY controller
+title: Qualcomm QMP PHY controller (USB)
 
 maintainers:
   - Vinod Koul <vkoul@kernel.org>
@@ -52,20 +51,18 @@ properties:
   ranges: true
 
   clocks:
-    minItems: 1
+    minItems: 3
     maxItems: 4
 
   clock-names:
-    minItems: 1
+    minItems: 3
     maxItems: 4
 
   resets:
-    minItems: 1
-    maxItems: 3
+    maxItems: 2
 
   reset-names:
-    minItems: 1
-    maxItems: 3
+    maxItems: 2
 
   vdda-phy-supply: true
 
@@ -76,7 +73,7 @@ properties:
 patternProperties:
   "^phy@[0-9a-f]+$":
     type: object
-    description: one child node per PHY provided by this block
+    description: single PHY-provider child node
 
 required:
   - compatible
@@ -88,6 +85,8 @@ required:
   - clock-names
   - resets
   - reset-names
+  - vdda-phy-supply
+  - vdda-pll-supply
 
 additionalProperties: false
 
@@ -114,34 +113,7 @@ allOf:
           items:
             - const: phy
             - const: common
-      required:
-        - vdda-phy-supply
-        - vdda-pll-supply
-  - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - qcom,sdx55-qmp-usb3-uni-phy
-              - qcom,sdx65-qmp-usb3-uni-phy
-    then:
-      properties:
-        clocks:
-          maxItems: 3
-        clock-names:
-          items:
-            - const: aux
-            - const: cfg_ahb
-            - const: ref
-        resets:
-          maxItems: 2
-        reset-names:
-          items:
-            - const: phy
-            - const: common
-      required:
-        - vdda-phy-supply
-        - vdda-pll-supply
+
   - if:
       properties:
         compatible:
@@ -150,6 +122,8 @@ allOf:
               - qcom,ipq8074-qmp-usb3-phy
               - qcom,msm8996-qmp-usb3-phy
               - qcom,msm8998-qmp-usb3-phy
+              - qcom,sdx55-qmp-usb3-uni-phy
+              - qcom,sdx65-qmp-usb3-uni-phy
     then:
       properties:
         clocks:
@@ -165,9 +139,7 @@ allOf:
           items:
             - const: phy
             - const: common
-      required:
-        - vdda-phy-supply
-        - vdda-pll-supply
+
   - if:
       properties:
         compatible:
@@ -194,9 +166,7 @@ allOf:
           items:
             - const: phy
             - const: common
-      required:
-        - vdda-phy-supply
-        - vdda-pll-supply
+
   - if:
       properties:
         compatible:
@@ -219,9 +189,7 @@ allOf:
           items:
             - const: phy
             - const: common
-      required:
-        - vdda-phy-supply
-        - vdda-pll-supply
+
   - if:
       properties:
         compatible:
@@ -243,9 +211,6 @@ allOf:
           items:
             - const: phy_phy
             - const: phy
-      required:
-        - vdda-phy-supply
-        - vdda-pll-supply
 
 examples:
   - |