linux-kernel - [PATCH v7 10/16] dt-bindings: imx6q-pcie: restruct reg and reg-name

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Message-Id: <20231227182727.1747435-11-Frank.Li@nxp.com>
Date: Wed, 27 Dec 2023 13:27:21 -0500
From: Frank Li <Frank.Li@....com>
To: krzysztof.kozlowski@...aro.org
Cc: Frank.Li@....com,
	bhelgaas@...gle.com,
	conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	festevam@...il.com,
	helgaas@...nel.org,
	hongxing.zhu@....com,
	imx@...ts.linux.dev,
	kernel@...gutronix.de,
	krzysztof.kozlowski+dt@...aro.org,
	kw@...ux.com,
	l.stach@...gutronix.de,
	linux-arm-kernel@...ts.infradead.org,
	linux-imx@....com,
	linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org,
	lpieralisi@...nel.org,
	manivannan.sadhasivam@...aro.org,
	robh@...nel.org,
	s.hauer@...gutronix.de,
	shawnguo@...nel.org
Subject: [PATCH v7 10/16] dt-bindings: imx6q-pcie: restruct reg and reg-name

snps,dw-pcie.yaml already have reg and reg-name information. Needn't
duplciate here.

Add 'if' check for existed compatible string to restrict reg and reg-names.
This prepare to add new compatible string with difference reg-names sets.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Frank Li <Frank.Li@....com>
---

Notes:
    Change from v6 to v7
    - add Krzysztof's review tag
    Change from v5 to v6
    - Add if check for existed compatible string
    Change from v4 to v5
    - add Rob's Acked
    Change from v1 to v4:
    - new patch at v4

 .../bindings/pci/fsl,imx6q-pcie.yaml          | 30 ++++++++++++-------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
index 81bbb8728f0f9..eeca6b7b540f9 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
@@ -30,16 +30,6 @@ properties:
       - fsl,imx8mm-pcie
       - fsl,imx8mp-pcie
 
-  reg:
-    items:
-      - description: Data Bus Interface (DBI) registers.
-      - description: PCIe configuration space region.
-
-  reg-names:
-    items:
-      - const: dbi
-      - const: config
-
   clocks:
     minItems: 3
     items:
@@ -90,6 +80,26 @@ required:
 allOf:
   - $ref: /schemas/pci/snps,dw-pcie.yaml#
   - $ref: /schemas/pci/fsl,imx6q-pcie-common.yaml#
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imx6q-pcie
+            - fsl,imx6sx-pcie
+            - fsl,imx6qp-pcie
+            - fsl,imx7d-pcie
+            - fsl,imx8mq-pcie
+            - fsl,imx8mm-pcie
+            - fsl,imx8mp-pcie
+    then:
+      properties:
+        reg:
+          maxItems: 2
+        reg-names:
+          items:
+            - const: dbi
+            - const: config
+
   - if:
       properties:
         compatible:
-- 
2.34.1