[PATCH v2 1/3] pinctrl: at91: add drive strength configuration

[Linus Walleij]

On Sun, Aug 24, 2014 at 5:12 AM, Marek Roszko <mark.roszko at gmail.com> wrote:

> The SAMA5 and SAM9x5 series both have drive strength options for the PIOs. This
> patch adds the ability to set one of three hardware options for drive strengths of low,
> medium or high for the each pin. The actual current output of the chip based on the setting
> is defined in the datasheets and varies per pins separate from banks and with supply voltage.
>
> This patch adds three new dt-bindings that allow setting the strength when configuring
> pins. By default, no change will be made to the drive strength of a pin from its reset value.
> Due to the difference between the register addresses of the SAMA5 and SAM9x5 series, a new
> sama5d3-pinctrl id was added.
>
> Signed-off-by: Marek Roszko <mark.roszko at gmail.com>
>
> ---
> changes from v1:
> rebased to latest pinctrl
> added requested comments
> fix oversight in shift logic(off by 1)

Tentatively applied this patch so we get some rotation in linux-next.

Yours,
Linus Walleij