From:   Achal Verma <a-verma1@ti.com>
To:     Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Krzysztof Wilczy_ski <kw@linux.com>,
        Rob Herring <robh@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Dhananjay Vilasrao Kangude <dkangude@cadence.com>,
        Anindita Das <dasa@cadence.com>,
        Yuan Zhao <yuanzhao@cadence.com>,
        Milind Parab <mparab@cadence.com>
CC:     <linux-pci@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-omap@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        Achal Verma <a-verma1@ti.com>
Subject: [PATCH v11 1/5] dt-bindings: PCI: ti,j721e-pci-*: add checks for num-lanes
Date:   Fri, 17 Mar 2023 13:21:16 +0530
Message-ID: <20230317075120.506267-2-a-verma1@ti.com>
In-Reply-To: <20230317075120.506267-1-a-verma1@ti.com>
References: <20230317075120.506267-1-a-verma1@ti.com>
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From: Matt Ranostay <mranostay@ti.com>

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

Signed-off-by: Matt Ranostay <mranostay@ti.com>
Signed-off-by: Achal Verma <a-verma1@ti.com>
---
 .../bindings/pci/ti,j721e-pci-ep.yaml         | 27 ++++++++++++++++---
 .../bindings/pci/ti,j721e-pci-host.yaml       | 27 ++++++++++++++++---
 2 files changed, 48 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..32e0c70ed801 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@ti.com>
 
-allOf:
-  - $ref: "cdns-pcie-ep.yaml#"
-
 properties:
   compatible:
     oneOf:
@@ -65,6 +62,30 @@ properties:
     items:
       - const: link_state
 
+allOf:
+  - $ref: cdns-pcie-ep.yaml#
+  - if:
+      properties:
+        compatible:
+          enum:
+            - ti,am64-pcie-ep
+    then:
+      properties:
+        num-lanes:
+          const: 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 3d7aee97353a..2547088304e5 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@ti.com>
 
-allOf:
-  - $ref: "cdns-pcie-host.yaml#"
-
 properties:
   compatible:
     oneOf:
@@ -94,6 +91,30 @@ properties:
       interrupts:
         maxItems: 1
 
+allOf:
+  - $ref: cdns-pcie-host.yaml#
+  - if:
+      properties:
+        compatible:
+          enum:
+            - ti,am64-pcie-host
+    then:
+      properties:
+        num-lanes:
+          const: 1
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - ti,j7200-pcie-host
+            - ti,j721e-pcie-host
+    then:
+      properties:
+        num-lanes:
+          minimum: 1
+          maximum: 2
+
 required:
   - compatible
   - reg
-- 
2.25.1