linux-kernel - [PATCH v4 2/4] dt-bindings: PCI: fsl,imx6q-pcie-ep: Add compatible string fsl,imx8q-pcie-ep

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Message-Id: <20241024-pcie_ep_range-v4-2-08f8dcd4e481@nxp.com>
Date: Thu, 24 Oct 2024 16:41:44 -0400
From: Frank Li <Frank.Li@....com>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Abraham I <kishon@...nel.org>, 
 Saravana Kannan <saravanak@...gle.com>, Jingoo Han <jingoohan1@...il.com>, 
 Gustavo Pimentel <gustavo.pimentel@...opsys.com>, 
 Jesper Nilsson <jesper.nilsson@...s.com>, 
 Richard Zhu <hongxing.zhu@....com>, Lucas Stach <l.stach@...gutronix.de>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: linux-pci@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...s.com, 
 linux-arm-kernel@...ts.infradead.org, imx@...ts.linux.dev, 
 Krzysztof Wilczyński <kwilczynski@...nel.org>, 
 Frank Li <Frank.Li@....com>, Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v4 2/4] dt-bindings: PCI: fsl,imx6q-pcie-ep: Add compatible
 string fsl,imx8q-pcie-ep

Add new compatible string fsl,imx8q-pcie-ep for iMX8Q. reg-names only needs
'dbi' and 'addr_space' because the others are located at default offset.
The clock-names align Root Complex (RC)'s naming.

Acked-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
Change from v3 to v4
- none
Change from v2 to v3
- Add conor review tag
---
 .../devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml | 38 +++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml
index 84ca12e8b25be..7bd00faa1f2c3 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml
@@ -22,6 +22,7 @@ properties:
       - fsl,imx8mm-pcie-ep
       - fsl,imx8mq-pcie-ep
       - fsl,imx8mp-pcie-ep
+      - fsl,imx8q-pcie-ep
       - fsl,imx95-pcie-ep
 
   clocks:
@@ -74,6 +75,20 @@ allOf:
             - const: dbi2
             - const: atu
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imx8q-pcie-ep
+    then:
+      properties:
+        reg:
+          maxItems: 2
+        reg-names:
+          items:
+            - const: dbi
+            - const: addr_space
+
   - if:
       properties:
         compatible:
@@ -109,7 +124,14 @@ allOf:
             - const: pcie_bus
             - const: pcie_phy
             - const: pcie_aux
-    else:
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imx8mm-pcie-ep
+            - fsl,imx8mp-pcie-ep
+    then:
       properties:
         clocks:
           maxItems: 3
@@ -119,6 +141,20 @@ allOf:
             - const: pcie_bus
             - const: pcie_aux
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imxq-pcie-ep
+    then:
+      properties:
+        clocks:
+          maxItems: 3
+        clock-names:
+          items:
+            - const: dbi
+            - const: mstr
+            - const: slv
 
 unevaluatedProperties: false
 

-- 
2.34.1