[PATCH v2] ARM: OMAP: WiLink platform data for the PandaBoard

[Luciano Coelho]

On Fri, 2012-03-09 at 10:31 -0800, Tony Lindgren wrote: 
> Hi Luca,

Hi Tony,


> * Mircea Gherzan <mgherzan at gmail.com> [120306 14:23]:
> > The "uim" deamon requires sysfs entries that are filled in using
> > this platform data.
> > 
> > Signed-off-by: Mircea Gherzan <mgherzan at gmail.com>
> > ---
> >  arch/arm/mach-omap2/board-omap4panda.c |   14 ++++++++++++--
> >  include/linux/ti_wilink_st.h           |    2 ++
> >  2 files changed, 14 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
> > index b1d74d6..339e781 100644
> > --- a/arch/arm/mach-omap2/board-omap4panda.c
> > +++ b/arch/arm/mach-omap2/board-omap4panda.c
> > @@ -27,6 +27,7 @@
> >  #include <linux/i2c/twl.h>
> >  #include <linux/regulator/machine.h>
> >  #include <linux/regulator/fixed.h>
> > +#include <linux/ti_wilink_st.h>
> >  #include <linux/wl12xx.h>
> >  
> >  #include <mach/hardware.h>
> > @@ -56,12 +57,21 @@
> >  #define HDMI_GPIO_HPD  63 /* Hotplug detect */
> >  
> >  /* wl127x BT, FM, GPS connectivity chip */
> > -static int wl1271_gpios[] = {46, -1, -1};
> > +static struct ti_st_plat_data wilink_platform_data = {
> > +	.nshutdown_gpio	= 46,
> > +	.dev_name	= "/dev/ttyO1",
> > +	.flow_cntrl	= 1,
> > +	.baud_rate	= 3000000,
> > +	.chip_enable	= NULL,
> > +	.suspend	= NULL,
> > +	.resume		= NULL,
> > +};
> > +
> >  static struct platform_device wl1271_device = {
> >  	.name	= "kim",
> >  	.id	= -1,
> >  	.dev	= {
> > -		.platform_data	= &wl1271_gpios,
> > +		.platform_data	= &wilink_platform_data,
> >  	},
> >  };
> >  
> > diff --git a/include/linux/ti_wilink_st.h b/include/linux/ti_wilink_st.h
> > index 2ef4385..3ca0269 100644
> > --- a/include/linux/ti_wilink_st.h
> > +++ b/include/linux/ti_wilink_st.h
> > @@ -25,6 +25,8 @@
> >  #ifndef TI_WILINK_ST_H
> >  #define TI_WILINK_ST_H
> >  
> > +#include <linux/skbuff.h>
> > +
> >  /**
> >   * enum proto-type - The protocol on WiLink chips which share a
> >   *	common physical interface like UART.
> > -- 
> 
> Just checking.. Can you please take a look at this patch
> and confirm that this is how things are supposed to be done?
> 
> To me passing some third driver's dev_name in pdata seems
> pretty weird.. But then again maybe I just don't know how
> this is supposed to work.

This looks pretty weird to me too.  The "/dev/ttyO1" thing doesn't look
right.  But I don't really know how this works either, because this is
the BT/FM/GPS part of the wl12xx chip.  And, to be honest, I don't know
anything about it.  I only know about the wifi part of it. :\

-- 
Cheers,
Luca.