Re: [patch/rft 2.6.29-rc3-omap-git] omap3 evm: MMC switch support

[Tony Lindgren <tony@atomide.com>]

* David Brownell <david-b@pacbell.net> [090208 12:25]:
> On Wednesday 04 February 2009, Pillai, Manikandan wrote:
> > I tested the patch on the OMAP 3 EVM. I still find that the
> > hotplug feature does not work on the OMAP3 EVM. The issue is
> > that if I read the gpio_cd, I am getting the correct value
> > on the gpio pin(INSERT = 0, PLUGOUT = 1) but the interrupts
> > are not generated.  
> > 
> > The mmc0 interrupts always shows 0.
> 
> Are you getting any other IRQs through the twl4030 code?
> 
> There's not a lot of debugging I can do with this, since
> I don't have an EVM ... and since this seems to work OK
> on other boards.  (Testing on SDP being easiest, since
> it's got a slot not tied down with MMC root.)
> 
> This patch was basically sent as a seed, since nobody
> else seemed to be filling in the missing MMC/SD pieces
> on that board.

I've pushed this, looks like the mux.[ch] changes had already
been applied in another patch.

Tony
 
> - Dave
> 
> 
> > root@172.24.190.49:~# cat /proc/interrupts 
> >            CPU0
> >  11:          0        INTC  prcm
> >  12:          4        INTC  DMA
> >  25:          0        INTC  dispc
> >  37:       1724        INTC  gp timer
> >  56:        267        INTC  i2c_omap
> >  57:          0        INTC  i2c_omap
> >  61:          0        INTC  i2c_omap
> >  72:        178        INTC  serial idle, serial
> >  73:          1        INTC  serial idle
> >  74:          1        INTC  serial idle
> >  83:         43        INTC  mmc0
> >  92:          0        INTC  musb_hdrc
> >  93:          0        INTC  musb_hdrc
> > 335:          0        GPIO  ads7846
> > 336:       3565        GPIO  eth0
> > 369:          0     twl4030  twl4030_keypad
> > 378:          0     twl4030  twl4030_usb
> > 384:          0     twl4030  mmc0
> > Err:          0
> > 
> > Regards
> > Mani
> > 
> > > -----Original Message-----
> > > From: linux-omap-owner@vger.kernel.org [mailto:linux-omap-
> > > owner@vger.kernel.org] On Behalf Of David Brownell
> > > Sent: Thursday, February 05, 2009 4:53 AM
> > > To: OMAP
> > > Subject: [patch/rft 2.6.29-rc3-omap-git] omap3 evm: MMC switch support
> > > 
> > > Update OMAP3 EVM board support to support the MMC/SD switches,
> > > when used with the twl4030 based power card.
> > > 
> > > Also, less usefully, LEDB as a GPIO LED ... it's on the underside
> > > of the board, so it's probably not very useful to most folk.  The
> > > LCD backlight is controlled by LEDA though; more useful, though
> > > its PWM mode might not be practical on this board (I don't know
> > > how that inductor will affect things).
> > > 
> > > This is done from schematics, so it needs testing (and maybe some
> > > bugfixes) from folk with an EVM board.
> > >
> 
> 
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