Messages in this thread | | | Subject | Re: Some ideas about tcpm driver | From | Zain Wang <> | Date | Fri, 4 Aug 2017 18:25:59 +0800 |
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在 2017/8/3 21:02, Guenter Roeck 写道: > On Thu, Aug 3, 2017 at 12:28 AM, Zain Wang <wzz@rock-chips.com> wrote: >> Hi all, >> >> In recent days, I tested the fusb302 driver with tcpm. (RK3399 evb board) >> But I found an issues: >> There is not a regulator for type-c vbus power-supply in my board. >> The vbus is just controlled by a gpio-pin, and unable to support other >> voltage except 5V. > gpio-regulator does not work ? Thanks for you idea, it works well with regulator-gpio.
Zain > >> But now, I can't use fusb302 driver without workaround fix. >> Could you fix it in next version? @Yueyao >> >> The altmode looks not complete. I can't enter DP Alt Mode now. > Yes, I know. Patches welcome. > >> And we'd like to used extcon function (used in Chrome) to link usb, dp and >> type-c together. > Plan is to use the extcon driver (from cros-ec) to register with the > type-c infrastructure. I have not thought about how to tie low level > drivers (fusb/tcpm) with extcon. Ideas welcome. > > Guenter > >> How do you think about it? @Guenter >> >> Thanks >> Zain >> > >
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