dt-bindings: phy: qmp-ufs: describe the UFS PHY for sa8775p

Add a new compatible for the QMP UFS PHY found on sa8775p platforms and
update the clocks property to accommodate three clocks.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230411130446.401440-3-brgl@bgdev.plSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml

@@ -16,6 +16,7 @@ description:
 properties:
   compatible:
     enum:
+      - qcom,sa8775p-qmp-ufs-phy
       - qcom,sc8280xp-qmp-ufs-phy
       - qcom,sm6125-qmp-ufs-phy
       - qcom,sm7150-qmp-ufs-phy
@@ -25,12 +26,15 @@ properties:
     maxItems: 1
 
   clocks:
-    maxItems: 2
+    minItems: 2
+    maxItems: 3
 
   clock-names:
+    minItems: 2
     items:
       - const: ref
       - const: ref_aux
+      - const: qref
 
   power-domains:
     maxItems: 1
@@ -64,6 +68,26 @@ required:
   - vdda-pll-supply
   - "#phy-cells"
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sa8775p-qmp-ufs-phy
+    then:
+      properties:
+        clocks:
+          maxItems: 3
+        clock-names:
+          maxItems: 3
+    else:
+      properties:
+        clocks:
+          maxItems: 2
+        clock-names:
+          maxItems: 2
+
 additionalProperties: false
 
 examples: