linux-kernel - [PATCH v2 1/2] dt-bindings: PCI: qcom: Document the X1E80100 PCIe Controller

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Date: Mon, 29 Jan 2024 13:10:26 +0200
From: Abel Vesa <abel.vesa@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>
Cc: linux-pci@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH v2 1/2] dt-bindings: PCI: qcom: Document the X1E80100 PCIe
 Controller

Document the PCIe Controllers on the X1E80100 platform. They are similar
to the ones found on SM8550, but they don't have SF QTB clock.

Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
 .../devicetree/bindings/pci/qcom,pcie.yaml         | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index a93ab3b54066..7381e38b7398 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -41,6 +41,7 @@ properties:
           - qcom,pcie-sm8450-pcie0
           - qcom,pcie-sm8450-pcie1
           - qcom,pcie-sm8550
+          - qcom,pcie-x1e80100
       - items:
           - enum:
               - qcom,pcie-sm8650
@@ -227,6 +228,7 @@ allOf:
               - qcom,pcie-sm8450-pcie0
               - qcom,pcie-sm8450-pcie1
               - qcom,pcie-sm8550
+              - qcom,pcie-x1e80100
     then:
       properties:
         reg:
@@ -826,6 +828,32 @@ allOf:
           items:
             - const: pci # PCIe core reset
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-x1e80100
+    then:
+      properties:
+        clocks:
+          maxItems: 7
+        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
+            - const: noc_aggr # Aggre NoC PCIe AXI clock
+            - const: cnoc_sf_axi # Config NoC PCIe1 AXI clock
+        resets:
+          maxItems: 2
+        reset-names:
+          items:
+            - const: pci # PCIe core reset
+            - const: link_down # PCIe link down reset
+
   - if:
       properties:
         compatible:
@@ -884,6 +912,7 @@ allOf:
               - qcom,pcie-sm8450-pcie0
               - qcom,pcie-sm8450-pcie1
               - qcom,pcie-sm8550
+              - qcom,pcie-x1e80100
     then:
       oneOf:
         - properties:

-- 
2.34.1