[PATCH v2] pinctrl: imx: work around select input quirk

[Linus Walleij]

On Sun, Aug 4, 2013 at 3:39 PM, Shawn Guo <shawn.guo at linaro.org> wrote:

> The select input for some pin may not be implemented using the regular
> select input register but the general purpose register.  A real example
> is that imx6q designers found the select input for USB OTG ID pin is
> missing at the very late stage, and can not add a new select input
> register but have to use a general purpose register bit to implement it.
>
> The patch adds a workaround for such select input quirk by interpreting
> the input_val cell of pin function ID in a different way, so that all
> the info that needed for setting up select input bits in general purpose
> register could be decoded from there.
>
> Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
> Tested-by: Peter Chen <peter.chen at freescale.com>
> ---
> Changes since v1:
>  * For quirky select input where IOMUXC general purpose register is
>    used, the register could be possibly at offset 0.  Cover this case
>    in v2.

Patch applied.

Yours,
Linus Walleij