On Fri, 2020-11-06 at 17:46 +0800, Macpaul Lin wrote: > Option "mediatek,str-clock-on" means to keep clock on during system > suspend and resume. Some platform will flush register settings if clock has > been disabled when system is suspended. Set this option to avoid clock off. > > Change-Id: Id841f58e9d7fb3656511072b3eb14d0d355e2dd5 Sorry I've found a Change-ID tag here, I'll send patch v3. > Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx> > --- > Changes for v2: > - Rename "mediatek,keep-clock-on" to "mediatek,str-clock-on" which implies > this option related to STR functions. > - After discussion with Chunfeng, resend dt-bindings descritption based on > mediatek,mtk-xhci.txt instead of yaml format. > > .../devicetree/bindings/usb/mediatek,mtk-xhci.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt > index 42d8814..fc93bcf 100644 > --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt > +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt > @@ -37,6 +37,9 @@ Required properties: > > Optional properties: > - wakeup-source : enable USB remote wakeup; > + - mediatek,str-clock-on: Keep clock on during system suspend and resume. > + Some platform will flush register settings if clock has been disabled > + when system is suspended. > - mediatek,syscon-wakeup : phandle to syscon used to access the register > of the USB wakeup glue layer between xHCI and SPM; it depends on > "wakeup-source", and has two arguments: Thanks Macpaul Lin
