linux-kernel - [PATCH v4 1/9] dt-bindings: PCI: fsl,imx6q: Add i.MX6Q and i.MX6QP PCIe EP compatibles

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Message-Id: <1691991767-15809-2-git-send-email-hongxing.zhu@nxp.com>
Date:   Mon, 14 Aug 2023 13:42:39 +0800
From:   Richard Zhu <hongxing.zhu@....com>
To:     frank.li@....com, l.stach@...gutronix.de, shawnguo@...nel.org,
        lpieralisi@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     hongxing.zhu@....com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de,
        linux-imx@....com
Subject: [PATCH v4 1/9] dt-bindings: PCI: fsl,imx6q: Add i.MX6Q and i.MX6QP PCIe EP compatibles

Add i.MX6Q and i.MX6QP PCIe EP compatibles.
- Make the interrupts property optional, since i.MX6Q/i.MX6QP PCIe
  don't have DMA capability.
- To pass the schema check, specify the clocks property refer to the
  different platforms.

Signed-off-by: Richard Zhu <hongxing.zhu@....com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/pci/fsl,imx6q-pcie-ep.yaml       | 31 ++++++++++++++++---
 1 file changed, 27 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml
index ee155ed5f181..9b881777c801 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml
@@ -19,6 +19,8 @@ description: |+
 properties:
   compatible:
     enum:
+      - fsl,imx6q-pcie-ep
+      - fsl,imx6qp-pcie-ep
       - fsl,imx8mm-pcie-ep
       - fsl,imx8mq-pcie-ep
       - fsl,imx8mp-pcie-ep
@@ -46,7 +48,7 @@ properties:
 
   interrupts:
     items:
-      - description: builtin eDMA interrupter.
+      - description: builtin eDMA interrupter (optional).
 
   interrupt-names:
     items:
@@ -56,8 +58,6 @@ required:
   - compatible
   - reg
   - reg-names
-  - interrupts
-  - interrupt-names
 
 allOf:
   - $ref: /schemas/pci/snps,dw-pcie-ep.yaml#
@@ -77,7 +77,30 @@ allOf:
             - const: pcie_bus
             - const: pcie_phy
             - const: pcie_aux
-    else:
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imx6q-pcie-ep
+            - fsl,imx6qp-pcie-ep
+    then:
+      properties:
+        clocks:
+          maxItems: 3
+        clock-names:
+          items:
+            - const: pcie
+            - const: pcie_bus
+            - const: pcie_phy
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imx8mm-pcie-ep
+            - fsl,imx8mp-pcie-ep
+    then:
       properties:
         clocks:
           maxItems: 3
-- 
2.34.1