On 25/10/2022 06:43, Jun Li wrote: > >> -----Original Message----- >> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> >> Sent: Tuesday, October 25, 2022 8:23 AM >> To: Jun Li <jun.li@xxxxxxx>; gregkh@xxxxxxxxxxxxxxxxxxx; >> robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx >> Cc: balbi@xxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; >> devicetree@xxxxxxxxxxxxxxx; Xu Yang <xu.yang_2@xxxxxxx> >> Subject: Re: [PATCH 1/2] dt-bindings: usb: usb-nop-xceiv: add wakeup-source >> property >> >> On 24/10/2022 01:17, Li Jun wrote: >>> usb phy may be part of wakeup source, so add wakeup source property >> >> s/usb/USB/ >> >> "part of wakeup source" is actually not descriptive. What do you want to >> say here? > > Will change to be "USB phy may be a system wakeup source". > >> >>> to keep its resource(e.g power domain) active to make usb remote >> >> space before ( >> s/e.g/e.g./ >> s/usb/USB/ > > Okay. > >> >>> wakeup work. >>> >>> Signed-off-by: Li Jun <jun.li@xxxxxxx> >>> --- >>> Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml | 5 +++++ >>> 1 file changed, 5 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml >>> b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml >>> index 2824c17285ee..7b71e32d1df0 100644 >>> --- a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml >>> +++ b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml >>> @@ -39,6 +39,11 @@ properties: >>> the VBus line. >>> $ref: /schemas/types.yaml#/definitions/phandle >>> >>> + wakeup-source: >>> + $ref: /schemas/types.yaml#/definitions/flag >> >> This shouldn't be needed, as it is a standard property. > > Will remove. > >> >>> + description: >>> + Specify if it's USB remote wakeup capable. >> >> Now you have to explain in the bindings what is "USB remote wakeup". > > "USB remote wakeup" is a standard concept in USB world/spec, change > the description like "if the USB phy can detect the remote wakeup > signal while the system sleep" make sense to you? If it is a standard concept, keep it. Best regards, Krzysztof