Re: [RFC][PATCH 2/3] usb: roles: Add usb role switch notifier.

[John Stultz]

On Fri, Oct 18, 2019 at 1:06 AM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> On 18-10-2019 07:55, John Stultz wrote:
> > On Wed, Oct 16, 2019 at 12:27 AM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> >> Look at the tcpm_set_vbus implementation in drivers/usb/typec/tcpm/fusb302.c
> >> you need to do something similar in your Type-C controller driver and
> >> export the GPIO as as a gpio-controlled regulator and tie the regulator to
> >> the connector.
> >
> > Thanks for the suggestion, I really appreciate it! One more question
> > though, since I'm using the tcpci_rt1711h driver, which re-uses the
> > somewhat sparse tcpci.c implementation, would you recommend trying to
> > add generic regulator support to the tcpci code or trying to extend
> > the implementation somehow allow the tcpci_rt1711h driver replace just
> > the set_vbus function?
>
> I have the feeling that this is more of a question for Heikki.
>
> My first instinct is: if you are using tcpci can't you put all
> the hacks you need for the usb connection shared between hub
> and type-c in your firmware ?

I appreciate the suggestion, but I'm not aware of any USB firmware for
the board, nor do I think I have any such source.  :(

thanks
-john