[PATCH 0/2] RFC: gpio: driver-local pin configuration

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Jun 27 08:02:57 EDT 2011


On Mon, Jun 27, 2011 at 01:44:43PM +0200, Linus Walleij wrote:

> Yes. To make the driver platform neutral, it needs to for example
> provide a callback in the platform data like (* set_pin_bias) or so,
> and then your platform has to implement this biasing.

> In this specific case that kind of stuff would likely be preferable
> to have in the platform anyway, but I understand what you mean.

How about device tree usage?  I guess there we'd end up doing it by
putting the configuration on the GPIO end of things rather than on the
GPIO user side?



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