[PATCH v2] gpio: Device tree support for LPC32xx

Roland Stigge stigge at antcom.de
Sat Apr 7 10:19:04 EDT 2012

On 07/04/12 15:50, Roland Stigge wrote:
> Hi Grant,

> Please consider how the groups are specified in
> drivers/gpio/gpio-lpc32xx.c. They each have different numbers of lines
> and GPIO / GPI / GPO functionality. So they also have different callback
> sets, and we need to do separate gpiochip_add()s which leads to the
> separate gpio-bank specifications in the dtsi file. Separate enabling of
> those banks via OF are a nice by-product.

And BTW: This also corresponds nicely with how the LPC32xx hardware
calls its GPIOs, e.g. GPO 3 for GPO #3 in the gpo group.

Thanks for considering,


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