[U-Boot] [PATCH 3/4] include:configs:ls1021atwr: Enable USB IP support

[Ramneek Mehresh]

> -----Original Message-----
> From: Marek Vasut [mailto:marex at denx.de]
> Sent: Thursday, April 23, 2015 5:26 PM
> To: Mehresh Ramneek-B31383
> Cc: u-boot at lists.denx.de
> Subject: Re: [PATCH 3/4] include:configs:ls1021atwr: Enable USB IP support
> 
> On Thursday, April 23, 2015 at 08:51:14 AM, Ramneek Mehresh wrote:
> > > -----Original Message-----
> > > From: Marek Vasut [mailto:marex at denx.de]
> > > Sent: Wednesday, April 22, 2015 5:18 PM
> > > To: Mehresh Ramneek-B31383
> > > Cc: u-boot at lists.denx.de
> > > Subject: Re: [PATCH 3/4] include:configs:ls1021atwr: Enable USB IP
> > > support
> > >
> > > On Wednesday, April 22, 2015 at 08:49:42 AM, Ramneek Mehresh wrote:
> > > > Enable USB IP support for both EHCI and XHCI for ls1021atwr
> > > > platform
> > > >
> > > > Signed-off-by: Ramneek Mehresh
> <ramneek.mehresh at freescale.com>
> > > > ---
> > > >
> > > >  include/configs/ls1021atwr.h | 29
> +++++++++++++++++++++++++++++
> > > >
> > > > include/linux/usb/xhci-fsl.h |  5 +++++
> > > >
> > > >  2 files changed, 34 insertions(+)
> > > >
> > > > diff --git a/include/configs/ls1021atwr.h
> > > > b/include/configs/ls1021atwr.h index a13876b..0f59b3c 100644
> > > > --- a/include/configs/ls1021atwr.h
> > > > +++ b/include/configs/ls1021atwr.h
> > > > @@ -28,6 +28,35 @@
> > > >
> > > >  #define CONFIG_SYS_INIT_RAM_SIZE	OCRAM_SIZE
> > > >
> > > >  /*
> > > >
> > > > + * USB
> > > > + */
> > > > +/* EHCI Support - disbaled by default */
> > >
> > > 'disabled'
> > >
> > > > +/*#define CONFIG_HAS_FSL_DR_USB*/
> > >
> > > Why is this disabled ?
> >
> > EHCI is disabled because this controller is not exposed via any
> > connector on the board. However, the silicon still has this
> > controller, and anyone can use this controller by taking signals out on their
> board.
> > XHCI can be used on the board via micro-A usb host connector
> 
> Oki, please document it a bit better. The thing you just wrote would be
> exactly the nice piece of documentation/comment which should be in the
> code.
> 
Understood, will do
> Thanks!
> 
> Best regards,
> Marek Vasut