dt-bindings: PCI: qcom: Add IPQ5018 SoC

Add support for the PCIe controller on the Qualcomm
IPQ5108 SoC to the bindings.

Signed-off-by: Nitheesh Sekar <quic_nsekar@quicinc.com>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://patch.msgid.link/20250326-ipq5018-pcie-v7-3-e1828fef06c9@outlook.com

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

@@ -21,6 +21,7 @@ properties:
           - qcom,pcie-apq8064
           - qcom,pcie-apq8084
           - qcom,pcie-ipq4019
+          - qcom,pcie-ipq5018
           - qcom,pcie-ipq6018
           - qcom,pcie-ipq8064
           - qcom,pcie-ipq8064-v2
@@ -168,6 +169,7 @@ allOf:
         compatible:
           contains:
             enum:
+              - qcom,pcie-ipq5018
               - qcom,pcie-ipq6018
               - qcom,pcie-ipq8074-gen3
               - qcom,pcie-ipq9574
@@ -322,6 +324,53 @@ allOf:
             - const: ahb # AHB reset
             - const: phy_ahb # PHY AHB reset
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-ipq5018
+    then:
+      properties:
+        clocks:
+          minItems: 6
+          maxItems: 6
+        clock-names:
+          items:
+            - const: iface # PCIe to SysNOC BIU clock
+            - const: axi_m # AXI Master clock
+            - const: axi_s # AXI Slave clock
+            - const: ahb # AHB clock
+            - const: aux # Auxiliary clock
+            - const: axi_bridge # AXI bridge clock
+        resets:
+          minItems: 8
+          maxItems: 8
+        reset-names:
+          items:
+            - const: pipe # PIPE reset
+            - const: sleep # Sleep reset
+            - const: sticky # Core sticky reset
+            - const: axi_m # AXI master reset
+            - const: axi_s # AXI slave reset
+            - const: ahb # AHB reset
+            - const: axi_m_sticky # AXI master sticky reset
+            - const: axi_s_sticky # AXI slave sticky reset
+        interrupts:
+          minItems: 9
+          maxItems: 9
+        interrupt-names:
+          items:
+            - const: msi0
+            - const: msi1
+            - const: msi2
+            - const: msi3
+            - const: msi4
+            - const: msi5
+            - const: msi6
+            - const: msi7
+            - const: global
+
   - if:
       properties:
         compatible:
@@ -562,6 +611,7 @@ allOf:
               enum:
                 - qcom,pcie-apq8064
                 - qcom,pcie-ipq4019
+                - qcom,pcie-ipq5018
                 - qcom,pcie-ipq8064
                 - qcom,pcie-ipq8064v2
                 - qcom,pcie-ipq8074