Re: [PATCH 1/2] dt-bindings: usb: mediatek,mt6360-tcpc: add ports properties

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On 10/16/24 04:54, Rob Herring wrote:
	

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On Tue, Oct 15, 2024 at 06:33:36PM +0800, Macpaul Lin wrote:
Add 'ports' and sub node 'port' properties to specify connectors on the
High-Speed/Super-Speed data bus, or Sideband Use (SBU) AUX lines
endpoints of the USB controller.

Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>
---
 .../bindings/usb/mediatek,mt6360-tcpc.yaml    | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml b/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml
index 053264e60583..5b6ea0d734ea 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml
@@ -32,6 +32,27 @@ properties:
     description:
       Properties for usb c connector.
+ ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+    description:
+      Any connector to the data bus of this controller should be specified.
+    properties:

+      "#address-cells":
+        const: 1
+
+      "#size-cells":
+        const: 0

No need for these, already defined in the $ref'ed schema.

+
+    patternProperties:
+      "port@[0-2]$":
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          It could be one of the following interface types. High-Speed
+          (HS) data bus endpoint to the Type-C connector, SuperSpeed (SS)
+          data bus endpoint to the Type-C connector, or Sideband Use (SBU)
+          AUX lines endpoint to the Type-C connector for the purpose of
+          handling altmode muxing and orientation switching.

You have to define what each port number is.

However, I'm completely confused as to why you need any of this. The
description sounds like the usb-c-connector which is already defined as
a child node.

Rob


After checking the internal reference DTS, I've found the
intent was wrong for these ports. I'll send [2/2] of v2 for the
DTS update. Hence this change to DT Schema is no longer required.
Please drop this patch.

Thanks!
Macpaul Lin




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