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From: Ray Chi <raychi@google.com>
To: gregkh@linuxfoundation.org, robh+dt@kernel.org, balbi@kernel.org
Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, kyletso@google.com,
	badhri@google.com, Ray Chi <raychi@google.com>
Subject: [PATCH] dt-bindings: usb: dwc3: Add usb-psy-name string
Date: Sun, 28 Mar 2021 03:15:20 +0800	[thread overview]
Message-ID: <20210327191520.1824466-1-raychi@google.com> (raw)

This commit adds documentation for usb-psy-name string.
The string will use to find the power supply interface.
And then, DWC3 can use the interface to control charing
current with USB state and USB speed.

Signed-off-by: Ray Chi <raychi@google.com>
---
 Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index 2247da77eac1..ad62f4552fad 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -301,6 +301,13 @@ properties:
     items:
       enum: [1, 4, 8, 16, 32, 64, 128, 256]
 
+  usb-psy-name:
+    description:
+      Contains the name for power supply interface. To follow
+      BC1.2 specification, DWC3 could use power supply interface
+      to control current with corresponding USB state and USB speed.
+    minItems: 1
+
 unevaluatedProperties: false
 
 required:
-- 
2.31.0.291.g576ba9dcdaf-goog


             reply	other threads:[~2021-03-27 19:16 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-27 19:15 Ray Chi [this message]
2021-03-30 15:11 ` [PATCH] dt-bindings: usb: dwc3: Add usb-psy-name string Rob Herring

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