RE: [RFC PATCH 00/12] arm/tegra: Initialize GPIO & pinmux from DT

From: Stephen Warren
Date: Mon Aug 15 2011 - 12:07:43 EST


Shawn Guo wrote at Saturday, August 13, 2011 7:09 AM:
> On Fri, Aug 12, 2011 at 04:54:45PM -0600, Stephen Warren wrote:
> > This patch modifies Tegra's device tree support to remove the dependency
> > on harmony_pinmux_init(), thus making it completely board-independent.
> >
> > Some notes:
> >
...
> > * tegra_pinmux_probe_dt() enumerates all legal pingroup names, and searches
> > for a pinmux controller subnode of that name, then processes each one
> > that is found. An alternative that some may prefer would be to enumerate
> > each child node of the pinmux controller, and have each node contain an
> > explicit pingroup name property instead. Does anyone have any preference
> > here? I suppose the latter option would obviate the need to add
> > of_find_child_node_by_name().
>
> I agree with Jamie that the latter option seems better/simper.

OK, I'll flip the iteration around.

...
> > arch/arm/boot/dts/tegra-harmony.dts | 479 ++++++++++++++++++++++++++
> > arch/arm/boot/dts/tegra-seaboard.dts | 409 ++++++++++++++++++++++
> > arch/arm/boot/dts/tegra20.dtsi | 5 +
> > arch/arm/mach-tegra/Makefile | 1 -
> > arch/arm/mach-tegra/board-dt.c | 12 +-
> > arch/arm/mach-tegra/board-harmony-pinmux.c | 8 +
> > arch/arm/mach-tegra/board-paz00-pinmux.c | 8 +
> > arch/arm/mach-tegra/board-seaboard-pinmux.c | 9 +-
> > arch/arm/mach-tegra/board-trimslice-pinmux.c | 7 +
> > arch/arm/mach-tegra/devices.c | 10 +
> > arch/arm/mach-tegra/devices.h | 2 +
> > arch/arm/mach-tegra/pinmux.c | 136 ++++++++
> > drivers/gpio/gpio-tegra.c | 56 +++-
> > drivers/of/base.c | 18 +
> > include/linux/of.h | 2 +
> > 15 files changed, 1138 insertions(+), 24 deletions(-)
> >
> Generally, you need to document the bindings you come with in
> Documentation/devicetree/bindings/

Uggh. I must have run format-patch on the wrong commit ID; the last thing
I did was to add a couple commits containing the documentation:-( I really
shouldn't try to post patch series last thing on Friday...

--
nvpublic

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/