On Wed, Dec 13, 2017 at 02:37:14PM +0200, Heikki Krogerus wrote:
> Hi guys,
>
> > > I think the USB-OTG PHY is part of i.MX6UL SoC?
> >
> > Yes, but it is just USB PHY, not PD PHY. You need external pure CC-logic
> > chip (like PTN5150), or Type-C PD chip (like PTN5110) to support CC
> > or PD ev
Hello.
Now I am waiting for my USB-C breakout board to just re-using it for connecting
to conventional micr-A/B receptacle.
BTW, Looking into schematic, another board HiKey960 with USB-C receptacle seems
to have USB-C controller in its circuit.
>OK, from those schematics we can clearly see that
Hi guys,
On Wed, Dec 13, 2017 at 10:43:50AM +0800, Peter Chen wrote:
> On Wed, Dec 13, 2017 at 01:17:23AM +, Takashi Matsuzawa wrote:
> > Hello.
> >
> > >If you have a Type-C connector on your board, then you also should
> > >have a USB Type-C PHY that takes care of CC logic. The host-to-devi
On Wed, Dec 13, 2017 at 01:17:23AM +, Takashi Matsuzawa wrote:
> Hello.
>
> >If you have a Type-C connector on your board, then you also should
> >have a USB Type-C PHY that takes care of CC logic. The host-to-device
> >relationship is determined using the Configuration Channel (CC) that
> >go
On Tue, Dec 12, 2017 at 07:01:34AM +, Takashi Matsuzawa wrote:
> Hello.
> Thank you very much for your comment.
>
> > Since USB OTG FSM has not been accepted by industry during last ten years,
> > we decide
> > to give up maintaining OTG FSM at Linux kernel. For role switch use case,
> > ple
Hello.
>If you have a Type-C connector on your board, then you also should
>have a USB Type-C PHY that takes care of CC logic. The host-to-device
>relationship is determined using the Configuration Channel (CC) that
>goes through the USB Type-C cable. Note that CC is not the same as ID!
I am play
Hi Takashi,
On Tue, Dec 12, 2017 at 07:01:34AM +, Takashi Matsuzawa wrote:
> Hello.
> Thank you very much for your comment.
>
> > Since USB OTG FSM has not been accepted by industry during last ten years,
> > we decide
> > to give up maintaining OTG FSM at Linux kernel. For role switch use c
Hello.
Thank you very much for your comment.
> Since USB OTG FSM has not been accepted by industry during last ten years, we
> decide
> to give up maintaining OTG FSM at Linux kernel. For role switch use case,
> please use
> /sys/../role instead, see below commit for detail:
>
>
> https://gi
>
> Hello.
>
> Just in case if you already have pointer or experience with this, any
> suggestion is
> highly appreciated.
>
> Some of the recent i.MX boards has USB-C socket for USB-OTG port, and I wonder
> how I can try the following steps (Dual-role behavior testing) with USB-C
> sockets.