Re: [PATCH 06/10] arm/tegra: prepare pinmux code for multipletegra variants

From: Peter De Schrijver
Date: Mon Nov 21 2011 - 09:29:49 EST


On Fri, Nov 18, 2011 at 10:41:16PM +0100, Olof Johansson wrote:
> On Thu, Nov 17, 2011 at 06:19:20PM +0200, Peter De Schrijver wrote:
> > This patch modifies the pinmux code to be useable for multiple tegra variants.
> > Some tegra20 specific constants will be replaced by variables which will be
> > initialized to the appropriate value at runtime.
> >
> > Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
> > ---
> > arch/arm/mach-tegra/board-harmony-pcie.c | 1 +
> > arch/arm/mach-tegra/board-harmony-pinmux.c | 1 +
> > arch/arm/mach-tegra/board-paz00-pinmux.c | 1 +
> > arch/arm/mach-tegra/board-trimslice-pinmux.c | 1 +
> > arch/arm/mach-tegra/include/mach/pinmux.h | 25 +++----
> > arch/arm/mach-tegra/pinmux-tegra20-tables.c | 15 +++-
> > arch/arm/mach-tegra/pinmux.c | 105 ++++++++++++++-----------
> > 7 files changed, 86 insertions(+), 63 deletions(-)
> >
> > diff --git a/arch/arm/mach-tegra/board-harmony-pcie.c b/arch/arm/mach-tegra/board-harmony-pcie.c
> > index 6db7d69..bd402d0 100644
> > --- a/arch/arm/mach-tegra/board-harmony-pcie.c
> > +++ b/arch/arm/mach-tegra/board-harmony-pcie.c
> > @@ -23,6 +23,7 @@
> > #include <asm/mach-types.h>
> >
> > #include <mach/pinmux.h>
> > +#include <mach/pinmux-tegra20.h>
>
> Boards shouldn't have to include this. The idea is that you should only
> have to do board code against the pinmux.h interface, which internally
> abstracts it for tegra 20 vs tegra 30.

The pinmux naming is still SoC specific. Unless we move this to devicetree
(which should be part of a different patchset), I don't see how we can solve
this, except by renaming all the pingroups. That would cause a lot more
changes though.

Cheers,

Peter.
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