dt-bindings: PCI: qcom: Add sa8775p compatible

Add sa8775p platform to the binding.

Link: https://lore.kernel.org/linux-pci/1689960276-29266-2-git-send-email-quic_msarkar@quicinc.com
Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Manivannan Sadhasivam <mani@kernel.org>

Author: Mrinmay Sarkar

Documentation/devicetree/bindings/pci/qcom,pcie.yaml

@@ -29,6 +29,7 @@ properties:
           - qcom,pcie-msm8996
           - qcom,pcie-qcs404
           - qcom,pcie-sa8540p
+          - qcom,pcie-sa8775p
           - qcom,pcie-sc7280
           - qcom,pcie-sc8180x
           - qcom,pcie-sc8280xp
@@ -211,6 +212,7 @@ allOf:
         compatible:
           contains:
             enum:
+              - qcom,pcie-sa8775p
               - qcom,pcie-sc7280
               - qcom,pcie-sc8180x
               - qcom,pcie-sc8280xp
@@ -743,12 +745,37 @@ allOf:
           items:
             - const: pci # PCIe core reset
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-sa8775p
+    then:
+      properties:
+        clocks:
+          minItems: 5
+          maxItems: 5
+        clock-names:
+          items:
+            - const: aux # Auxiliary clock
+            - const: cfg # Configuration clock
+            - const: bus_master # Master AXI clock
+            - const: bus_slave # Slave AXI clock
+            - const: slave_q2a # Slave Q2A clock
+        resets:
+          maxItems: 1
+        reset-names:
+          items:
+            - const: pci # PCIe core reset
+
   - if:
       properties:
         compatible:
           contains:
             enum:
               - qcom,pcie-sa8540p
+              - qcom,pcie-sa8775p
               - qcom,pcie-sc8280xp
     then:
       required:
@@ -790,6 +817,7 @@ allOf:
           contains:
             enum:
               - qcom,pcie-msm8996
+              - qcom,pcie-sa8775p
               - qcom,pcie-sc7280
               - qcom,pcie-sc8180x
               - qcom,pcie-sdm845