linux-kernel - [PATCH v3 1/4] dt-bindings: usb: usb-switch: Allow data-lanes property in port

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Message-Id: <20250425-fp5-pmic-glink-dp-v3-1-cc9c2aeb42fb@fairphone.com>
Date: Fri, 25 Apr 2025 09:08:12 +0200
From: Luca Weiss <luca.weiss@...rphone.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>, 
 Conor Dooley <conor+dt@...nel.org>, cros-qcom-dts-watchers@...omium.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 linux-usb@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH v3 1/4] dt-bindings: usb: usb-switch: Allow data-lanes
 property in port

The ref /schemas/graph.yaml#/properties/port forbids extra properties
which might be specified in subschemas, e.g. like in
usb/fcs,fsa4480.yaml.

Switch to port-base (and specify the endpoint with properties) to allow
such properties.

Fixes: fd2a052ccd69 ("dt-bindings: usb: add common Type-C USB Switch schema")
Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 Documentation/devicetree/bindings/usb/usb-switch.yaml | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/usb-switch.yaml b/Documentation/devicetree/bindings/usb/usb-switch.yaml
index da76118e73a53c0e1c255ff115ff959d256816ba..89620191263023bec800dec114c0017c41b7c056 100644
--- a/Documentation/devicetree/bindings/usb/usb-switch.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-switch.yaml
@@ -26,11 +26,24 @@ properties:
     type: boolean
 
   port:
-    $ref: /schemas/graph.yaml#/properties/port
+    $ref: /schemas/graph.yaml#/$defs/port-base
     description:
       A port node to link the device to a TypeC controller for the purpose of
       handling altmode muxing and orientation switching.
 
+    properties:
+      endpoint:
+        $ref: /schemas/graph.yaml#/$defs/endpoint-base
+        unevaluatedProperties: false
+        properties:
+          data-lanes:
+            $ref: /schemas/types.yaml#/definitions/uint32-array
+            minItems: 1
+            maxItems: 8
+            uniqueItems: true
+            items:
+              maximum: 8
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
     properties:

-- 
2.49.0