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

[Jean-Christophe PLAGNIOL-VILLARD]

On Sep 1, 2014, at 4:27 PM, Linus Walleij <linus.walleij at linaro.org> wrote:

> 
> 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>
> 
> Waiting for feedback from AT91 maintainers…

I’ll check tomorrow
> 
> Yours,
> Linus Walleij