dt-bindings: phy: qcom,sc8280xp-qmp-usb3-uni: drop reference-clock source

The source clock for the reference clock is not used by the PHY directly
and should not be included in the devicetree binding.

Fixes: e8e58e29 ("dt-bindings: phy: qcom,qmp-usb: fix sc8280xp binding")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221111093857.11360-2-johan+linaro@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml

@@ -22,12 +22,11 @@ properties:
     maxItems: 1
 
   clocks:
-    maxItems: 5
+    maxItems: 4
 
   clock-names:
     items:
       - const: aux
-      - const: ref_clk_src
       - const: ref
       - const: com_aux
       - const: pipe
@@ -82,12 +81,10 @@ examples:
       reg = <0x088ef000 0x2000>;
 
       clocks = <&gcc GCC_USB3_MP_PHY_AUX_CLK>,
-               <&rpmhcc RPMH_CXO_CLK>,
                <&gcc GCC_USB3_MP0_CLKREF_CLK>,
                <&gcc GCC_USB3_MP_PHY_COM_AUX_CLK>,
                <&gcc GCC_USB3_MP_PHY_PIPE_0_CLK>;
-      clock-names = "aux", "ref_clk_src", "ref", "com_aux",
-                    "pipe";
+      clock-names = "aux", "ref", "com_aux", "pipe";
 
       power-domains = <&gcc USB30_MP_GDSC>;