linux-kernel - [PATCH v1 1/9] dt-bindings: imx6q-pcie: Add ref clock for i.MX95 PCIe

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Message-Id: <1727148464-14341-2-git-send-email-hongxing.zhu@nxp.com>
Date: Tue, 24 Sep 2024 11:27:36 +0800
From: Richard Zhu <hongxing.zhu@....com>
To: l.stach@...gutronix.de,
	kwilczynski@...nel.org,
	bhelgaas@...gle.com,
	lpieralisi@...nel.org,
	frank.li@....com,
	robh+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	festevam@...il.com,
	s.hauer@...gutronix.de
Cc: linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	kernel@...gutronix.de,
	imx@...ts.linux.dev,
	Richard Zhu <hongxing.zhu@....com>
Subject: [PATCH v1 1/9] dt-bindings: imx6q-pcie: Add ref clock for i.MX95 PCIe

Add one ref clock for i.MX95 PCIe. Increase clocks' maxItems to 5 and
keep the same restriction with other compatible string.

Signed-off-by: Richard Zhu <hongxing.zhu@....com>
---
 .../bindings/pci/fsl,imx6q-pcie-common.yaml   |  4 +--
 .../bindings/pci/fsl,imx6q-pcie.yaml          | 25 ++++++++++++++++---
 2 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml
index a8b34f58f8f4..cddbe21f99f2 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml
@@ -17,11 +17,11 @@ description:
 properties:
   clocks:
     minItems: 3
-    maxItems: 4
+    maxItems: 5
 
   clock-names:
     minItems: 3
-    maxItems: 4
+    maxItems: 5
 
   num-lanes:
     const: 1
diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
index 1e05c560d797..4c76cd3f98a9 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
@@ -40,10 +40,11 @@ properties:
       - description: PCIe PHY clock.
       - description: Additional required clock entry for imx6sx-pcie,
            imx6sx-pcie-ep, imx8mq-pcie, imx8mq-pcie-ep.
+      - description: PCIe reference clock.
 
   clock-names:
     minItems: 3
-    maxItems: 4
+    maxItems: 5
 
   interrupts:
     items:
@@ -127,7 +128,7 @@ allOf:
     then:
       properties:
         clocks:
-          minItems: 4
+          maxItems: 4
         clock-names:
           items:
             - const: pcie
@@ -140,11 +141,10 @@ allOf:
         compatible:
           enum:
             - fsl,imx8mq-pcie
-            - fsl,imx95-pcie
     then:
       properties:
         clocks:
-          minItems: 4
+          maxItems: 4
         clock-names:
           items:
             - const: pcie
@@ -200,6 +200,23 @@ allOf:
             - const: mstr
             - const: slv
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imx95-pcie
+    then:
+      properties:
+        clocks:
+          maxItems: 5
+        clock-names:
+          items:
+            - const: pcie
+            - const: pcie_bus
+            - const: pcie_phy
+            - const: pcie_aux
+            - const: ref
+
 unevaluatedProperties: false
 
 examples:
-- 
2.37.1