最終更新:2023-06-20 (火) 04:43:10 (334d)
kernel.org/doc/Documentation/devicetree/bindings/usb/generic.txt?dr_mode
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- tells Dual-Role USB controllers that we want to work on a particular mode.
- Valid arguments are "host","peripheral" and "otg".
- In case this attribute isn't passed via DT, USB DRD controllers should default to OTG.
