[PATCH 2/5] ASoC: wm1250-ev1: Convert to GPIO descriptors

Charles Keepax ckeepax at opensource.cirrus.com
Fri Dec 8 04:48:47 PST 2023


On Fri, Dec 08, 2023 at 12:42:57PM +0000, Charles Keepax wrote:
> On Fri, Dec 08, 2023 at 11:09:26AM +0100, Linus Walleij wrote:
> > This converts the WM1250-EV1 codec to use GPIO descriptors.
> > It turns out that the platform data was only used to pass some
> > global GPIO numbers from a board file, so we get rid of this
> > and also switch over the single in-tree user in the S3C
> > Cragganmore module for S3C 6410.
> > 
> > The driver obtains two GPIO lines named OSR and master and just
> > pull them low, we leave this behaviour as it was.
> > 
> > Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> > ---
> > +	.table = {
> > +		GPIO_LOOKUP("GPION", 12, "clk-ena", GPIO_ACTIVE_HIGH),
> > +		GPIO_LOOKUP("GPIOL", 12, "clk-sel0", GPIO_ACTIVE_HIGH),
> > +		GPIO_LOOKUP("GPIOL", 13, "clk-sel1", GPIO_ACTIVE_HIGH),
> > +		GPIO_LOOKUP("GPIOL", 14, "osr", GPIO_ACTIVE_HIGH),
> > +		GPIO_LOOKUP("GPIOL", 8, "master", GPIO_ACTIVE_HIGH),
> > +		{ },
> 
> For my curiousity, what is the significance of GPION vs GPIOL here?
> 

oops nvm I see it.

Thanks,
Charles



More information about the linux-arm-kernel mailing list