[PATCH] i.MX35: Fix pad control bit positions

Sascha Hauer s.hauer at pengutronix.de
Fri Feb 12 03:28:12 EST 2010


Hi Juergen,

On Thu, Feb 11, 2010 at 04:01:47PM +0100, Juergen Beisert wrote:
> Hi Sascha,
> 
> as discussed at FOSDEM: *ping* ;-)

This is already applied.

Sascha

> 
> Juergen Beisert wrote:
> > Using these macros simplify the configuration for special GPIO usage. But
> > they should use correct bit positions for usage in the IOMUX_PAD() macro.
> >
> > Note: These are the bit positions of the i.MX35 CPU. Not checked for the
> > other i.MX3x CPUs.
> >
> > Signed-off-by: Juergen Beisert <jbe at pengutronix.de>
> >
> > ---
> >  arch/arm/mach-imx/include/mach/iomux-v3.h |   34
> > +++++++++++++++--------------- 1 file changed, 17 insertions(+), 17
> > deletions(-)
> >
> > Index: u-boot-v2/arch/arm/mach-imx/include/mach/iomux-v3.h
> > ===================================================================
> > --- u-boot-v2.orig/arch/arm/mach-imx/include/mach/iomux-v3.h
> > +++ u-boot-v2/arch/arm/mach-imx/include/mach/iomux-v3.h
> > @@ -68,25 +68,25 @@ struct pad_desc {
> >  /*
> >   * Use to set PAD control
> >   */
> > -#define PAD_CTL_DRIVE_VOLTAGE_3_3_V	0
> > -#define PAD_CTL_DRIVE_VOLTAGE_1_8_V	1
> > +#define PAD_CTL_DRIVE_VOLTAGE_3_3_V	(0)
> > +#define PAD_CTL_DRIVE_VOLTAGE_1_8_V	(1 << 13)
> >
> > -#define PAD_CTL_NO_HYSTERESIS		0
> > -#define PAD_CTL_HYSTERESIS		1
> > +#define PAD_CTL_NO_HYSTERESIS		(0)
> > +#define PAD_CTL_HYSTERESIS		(1 << 8)
> >
> > -#define PAD_CTL_PULL_DISABLED		0x0
> > -#define PAD_CTL_PULL_KEEPER		0xa
> > -#define PAD_CTL_PULL_DOWN_100K		0xc
> > -#define PAD_CTL_PULL_UP_47K		0xd
> > -#define PAD_CTL_PULL_UP_100K		0xe
> > -#define PAD_CTL_PULL_UP_22K		0xf
> > -
> > -#define PAD_CTL_OUTPUT_CMOS		0
> > -#define PAD_CTL_OUTPUT_OPEN_DRAIN	1
> > -
> > -#define PAD_CTL_DRIVE_STRENGTH_NORM	0
> > -#define PAD_CTL_DRIVE_STRENGTH_HIGH	1
> > -#define PAD_CTL_DRIVE_STRENGTH_MAX	2
> > +#define PAD_CTL_PULL_DISABLED		(0)
> > +#define PAD_CTL_PULL_KEEPER		(0xa << 4)
> > +#define PAD_CTL_PULL_DOWN_100K		(0xc << 4)
> > +#define PAD_CTL_PULL_UP_47K		(0xd << 4)
> > +#define PAD_CTL_PULL_UP_100K		(0xe << 4)
> > +#define PAD_CTL_PULL_UP_22K		(0xf << 4)
> > +
> > +#define PAD_CTL_OUTPUT_CMOS		(0)
> > +#define PAD_CTL_OUTPUT_OPEN_DRAIN	(1 << 3)
> > +
> > +#define PAD_CTL_DRIVE_STRENGTH_NORM	(0)
> > +#define PAD_CTL_DRIVE_STRENGTH_HIGH	(1 << 1)
> > +#define PAD_CTL_DRIVE_STRENGTH_MAX	(2 << 1)
> >
> >  #define PAD_CTL_SLEW_RATE_SLOW		0
> >  #define PAD_CTL_SLEW_RATE_FAST		1
> 
> -- 
> Pengutronix e.K.                              | Juergen Beisert             |
> Linux Solutions for Science and Industry      | Phone: +49-8766-939 228     |
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> Amtsgericht Hildesheim, HRA 2686              | http://www.pengutronix.de/  |
> 
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