linux-kernel - [PATCH] dt-bindings: PCI: ti,am65: Fix remaining binding warnings

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Date: Thu, 15 Feb 2024 09:14:47 +0100
From: Jan Kiszka <jan.kiszka@...mens.com>
To: Conor Dooley <conor+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
 devicetree <devicetree@...r.kernel.org>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Kishon Vijay Abraham I <kishon@...com>,
 Lorenzo Pieralisi <lorenzo.pieralisi@....com>, Rob Herring
 <robh@...nel.org>, Nishanth Menon <nm@...com>, "Andrew F. Davis"
 <afd@...com>, Bjorn Helgaas <bhelgaas@...gle.com>,
 "Lopes Ivo, Diogo Miguel (T CED IFD-PT)" <diogo.ivo@...mens.com>
Subject: [PATCH] dt-bindings: PCI: ti,am65: Fix remaining binding warnings

From: Jan Kiszka <jan.kiszka@...mens.com>

This adds the missing num-viewport, phys and phy-name properties to the
schema. Based on driver code, num-viewport is required for the root
complex, phys are optional. Their number corresponds to the number of
lanes. The AM65x supports up to 2 lanes.

Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
---
 .../bindings/pci/ti,am65-pci-host.yaml        | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/ti,am65-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,am65-pci-host.yaml
index a20dccbafd94..cdd6834f6a6f 100644
--- a/Documentation/devicetree/bindings/pci/ti,am65-pci-host.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,am65-pci-host.yaml
@@ -55,6 +55,20 @@ properties:

   dma-coherent: true

+  num-viewport:
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  phys:
+    description: per-lane PHYs
+    minItems: 1
+    maxItems: 2
+
+  phy-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      pattern: '^pcie-phy[0-9]+$'
+
 required:
   - compatible
   - reg
@@ -74,6 +88,7 @@ then:
     - dma-coherent
     - power-domains
     - msi-map
+    - num-viewport

 unevaluatedProperties: false

@@ -98,9 +113,13 @@ examples:
         ti,syscon-pcie-id = <&scm_conf 0x0210>;
         ti,syscon-pcie-mode = <&scm_conf 0x4060>;
         bus-range = <0x0 0xff>;
+        num-viewport = <16>;
         max-link-speed = <2>;
         dma-coherent;
         interrupts = <GIC_SPI 340 IRQ_TYPE_EDGE_RISING>;
         msi-map = <0x0 &gic_its 0x0 0x10000>;
         device_type = "pci";
+        num-lanes = <1>;
+        phys = <&serdes0 PHY_TYPE_PCIE 0>;
+        phy-names = "pcie-phy0";
     };
-- 
2.35.3