diff mbox series

dt-bindings: usb: dwc3: Add usb-psy-name string

Message ID 20210327191520.1824466-1-raychi@google.com
State New
Headers show
Series dt-bindings: usb: dwc3: Add usb-psy-name string | expand

Commit Message

Ray Chi March 27, 2021, 7:15 p.m. UTC
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(+)

Comments

Rob Herring (Arm) March 30, 2021, 3:11 p.m. UTC | #1
On Sun, Mar 28, 2021 at 03:15:20AM +0800, Ray Chi wrote:
> 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.

Why is this DWC3 specific?

Where does it find the power supply interface?

> 
> 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
>
diff mbox series

Patch

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: