dt-bindings: phy: qcom, hdmi-phy-other: use pxo clock

Add pxo clock to the 8960 bindings (used by the HDMI PLL)

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/519206/
Link: https://lore.kernel.org/r/20230119132219.2479775-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/phy/qcom,hdmi-phy-other.yaml

@@ -53,7 +53,6 @@ allOf:
           contains:
             enum:
               - qcom,hdmi-phy-8660
-              - qcom,hdmi-phy-8960
     then:
       properties:
         clocks:
@@ -63,6 +62,24 @@ allOf:
             - const: slave_iface
         vddio-supply: false
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,hdmi-phy-8960
+    then:
+      properties:
+        clocks:
+          minItems: 1
+          maxItems: 2
+        clock-names:
+          minItems: 1
+          items:
+            - const: slave_iface
+            - const: pxo
+        vddio-supply: false
+
   - if:
       properties:
         compatible:
@@ -98,7 +115,7 @@ examples:
             <0x4a00500 0x100>;
       #phy-cells = <0>;
       power-domains = <&mmcc 1>;
-      clock-names = "slave_iface";
-      clocks = <&clk 21>;
+      clock-names = "slave_iface", "pxo";
+      clocks = <&clk 21>, <&pxo_board>;
       core-vdda-supply = <&pm8921_hdmi_mvs>;
     };