linux-kernel - [PATCH 1/2] dt-bindings: connector: Add time property for sender response

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Message-Id: <20241215124627.70525-1-joswang1221@gmail.com>
Date: Sun, 15 Dec 2024 20:46:27 +0800
From: joswang <joswang1221@...il.com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: gregkh@...uxfoundation.org,
	amitsd@...gle.com,
	dmitry.baryshkov@...aro.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Jos Wang <joswang@...ovo.com>
Subject: [PATCH 1/2] dt-bindings: connector: Add time property for sender response

From: Jos Wang <joswang@...ovo.com>

This commit adds the following properties:
  * pd2-sender-response-time-ms
  * pd3-sender-response-time-ms

This is to enable setting of platform/board specific timer values as
these timers have a range of acceptable values.

Signed-off-by: Jos Wang <joswang@...ovo.com>
---
 .../bindings/connector/usb-connector.yaml     | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
index 67700440e23b..83be66f6d406 100644
--- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
+++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
@@ -293,6 +293,26 @@ properties:
       PD negotiation till BC1.2 detection completes.
     default: 0
 
+  pd2-sender-response-time-ms:
+    description: Represents the PD20 max time in ms that port started from
+      the time the last bit of the GoodCRC Message EOP has been received by
+      the Physical Layer, it shall be stopped when the last bit of the expected
+      response Message EOP has been received by the Physical Layer. A timeout
+      leads to a hard reset message by the port.
+    minimum: 24
+    maximum: 30
+    default: 27
+
+  pd3-sender-response-time-ms:
+    description: Represents the PD30 max time in ms that port started from
+      the time the last bit of the GoodCRC Message EOP has been received by
+      the Physical Layer, it shall be stopped when the last bit of the expected
+      response Message EOP has been received by the Physical Layer. A timeout
+      leads to a hard reset message by the port.
+    minimum: 27
+    maximum: 33
+    default: 30
+
 dependencies:
   sink-vdos-v1: [ sink-vdos ]
   sink-vdos: [ sink-vdos-v1 ]
-- 
2.17.1