From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric.y.miao@gmail.com (Eric Miao) Date: Tue, 2 Feb 2010 22:29:50 -0800 Subject: [PATCHv2 03/11] mxc: Fix Drive Strength Field in the IOMUX controller In-Reply-To: References: <0511204199ab83aed2340e70a4639500c0528dab.1265173480.git.amit.kucheria@canonical.com> <9fa7a3c70c46a1f776c6520051481cff6525ef02.1265173480.git.amit.kucheria@canonical.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Feb 2, 2010 at 9:16 PM, Amit Kucheria wrote: > i.MX51 defines 4 values: > > 00: Low Drive Strength > 01: Medium Drive Strength > 10: High Drive Strength > 11: Max Drive Strength > > Signed-off-by: Amit Kucheria > --- > ?arch/arm/plat-mxc/include/mach/iomux-v3.h | ? ?8 +++++--- > ?1 files changed, 5 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/plat-mxc/include/mach/iomux-v3.h b/arch/arm/plat-mxc/include/mach/iomux-v3.h > index 1deda01..f2f73d3 100644 > --- a/arch/arm/plat-mxc/include/mach/iomux-v3.h > +++ b/arch/arm/plat-mxc/include/mach/iomux-v3.h > @@ -81,11 +81,13 @@ struct pad_desc { > > ?#define PAD_CTL_ODE ? ? ? ? ? ? ? ? ? ?(1 << 3) > > -#define PAD_CTL_DSE_STANDARD ? ? ? ? ? (0 << 1) > -#define PAD_CTL_DSE_HIGH ? ? ? ? ? ? ? (1 << 1) > -#define PAD_CTL_DSE_MAX ? ? ? ? ? ? ? ? ? ? ? ?(2 << 1) > +#define PAD_CTL_DSE_LOW ? ? ? ? ? ? ? ? ? ? ? ?(0 << 1) > +#define PAD_CTL_DSE_MED ? ? ? ? ? ? ? ? ? ? ? ?(1 << 1) > +#define PAD_CTL_DSE_HIGH ? ? ? ? ? ? ? (2 << 1) > +#define PAD_CTL_DSE_MAX ? ? ? ? ? ? ? ? ? ? ? ?(3 << 1) > I'm seeing some changes in recent kernel with introduction of PAD_CTL_DRV_*, which also affects mx3, think it's a tough problem to keep backward compatibility now, one way out is to introduce maybe PAD_CTL_DRV_EXTREME specifically for imx51. > ?#define PAD_CTL_SRE_FAST ? ? ? ? ? ? ? (1 << 0) > +#define PAD_CTL_SRE_SLOW ? ? ? ? ? ? ? (0 << 0) > > ?/* > ?* setups a single pad in the iomuxer > -- > 1.6.3.3 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >