linux-kernel - [PATCH v7 1/5] dt-bindings: PCI: ti,j721e-pci-*: add checks for num-lanes

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Date:   Thu, 24 Nov 2022 00:12:17 -0800
From:   Matt Ranostay <mranostay@...com>
To:     <rogerq@...nel.org>, <lpieralisi@...nel.org>, <robh@...nel.org>,
        <kw@...ux.com>, <bhelgaas@...gle.com>,
        <krzysztof.kozlowski@...aro.org>, <vigneshr@...com>,
        <tjoseph@...ence.com>, <sergio.paracuellos@...il.com>,
        <pthombar@...ence.com>, <linux-pci@...r.kernel.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Matt Ranostay <mranostay@...com>
Subject: [PATCH v7 1/5] dt-bindings: PCI: ti,j721e-pci-*: add checks for num-lanes

Add num-lanes schema checks based on compatible string on available lanes
for that platform.

Signed-off-by: Matt Ranostay <mranostay@...com>
---
 .../bindings/pci/ti,j721e-pci-ep.yaml         | 28 +++++++++++++++++--
 .../bindings/pci/ti,j721e-pci-host.yaml       | 28 +++++++++++++++++--
 2 files changed, 50 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
index 10e6eabdff53..1aeea168d3d0 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
@@ -10,9 +10,6 @@ title: TI J721E PCI EP (PCIe Wrapper)
 maintainers:
   - Kishon Vijay Abraham I <kishon@...com>
 
-allOf:
-  - $ref: "cdns-pcie-ep.yaml#"
-
 properties:
   compatible:
     oneOf:
@@ -65,6 +62,31 @@ properties:
     items:
       - const: link_state
 
+allOf:
+  - $ref: "cdns-pcie-ep.yaml#"
+  - if:
+      properties:
+        compatible:
+          enum:
+            - ti,am64-pcie-ep
+    then:
+      properties:
+        num-lanes:
+          minimum: 1
+          maximum: 1
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - ti,j7200-pcie-ep
+            - ti,j721e-pcie-ep
+    then:
+      properties:
+        num-lanes:
+          minimum: 1
+          maximum: 2
+
 required:
   - compatible
   - reg
diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
index b0513b197d08..8eca0d08303f 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
@@ -10,9 +10,6 @@ title: TI J721E PCI Host (PCIe Wrapper)
 maintainers:
   - Kishon Vijay Abraham I <kishon@...com>
 
-allOf:
-  - $ref: "cdns-pcie-host.yaml#"
-
 properties:
   compatible:
     oneOf:
@@ -98,6 +95,31 @@ properties:
       interrupts:
         maxItems: 1
 
+allOf:
+  - $ref: "cdns-pcie-host.yaml#"
+  - if:
+      properties:
+        compatible:
+          enum:
+            - ti,am64-pcie-host
+    then:
+      properties:
+        num-lanes:
+          minimum: 1
+          maximum: 1
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - ti,j7200-pcie-host
+            - ti,j721e-pcie-host
+    then:
+      properties:
+        num-lanes:
+          minimum: 1
+          maximum: 2
+
 required:
   - compatible
   - reg
-- 
2.38.GIT