Re: [PATCH 2/2] ARM: PRIMA2: add PINMUX map for primaII UART1 and SPI0/1

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

On Wed, Jul 4, 2012 at 4:25 PM, Barry Song <21cnbao@xxxxxxxxx> wrote:
> 2012/7/4 Arnd Bergmann <arnd@xxxxxxxx>:
>> On Wednesday 04 July 2012, Barry Song wrote:

>>>         of_platform_populate(NULL, sirfsoc_of_bus_ids, prima2_auxdata_lookup, NULL);
>>> +       pinctrl_register_mappings(prima2_padmux_map, ARRAY_SIZE(prima2_padmux_map));
>>>  }
>> I haven't been following pinctrl too closely, but isn't this something
>> that would normally be represented by putting the lookup table into the
>> device tree?
> i'd like to see that. i am not sure whether i have missed anything
> since i only saw the pinctrl_register_mappings samples.
> would linus clarify?

You can do it either way, but for a DT:ed platform it makes sense to have
it in device tree.

Check drivers/pinctrl/devicetree.c for how that code works, the bindings
are in
There are example usecases in arch/arm/boot/dts/*

This was all implemented by Stephen Warren so he's the reference
to this codepath.

Linus Walleij

linux-arm-kernel mailing list

[Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [eCos]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [PDAs]     [Linux]     [Linux MIPS]     [Yosemite Campsites]     [Photos]

Add to Google Follow linuxarm on Twitter