hi Javier, On Wed, Mar 11, 2015 at 3:19 AM, Javier Martinez Canillas <javier@xxxxxxxxxxxx> wrote: > Hello Eliad, > > On Wed, Mar 11, 2015 at 1:28 AM, Javier Martinez Canillas > <javier@xxxxxxxxxxxx> wrote: >> On Mon, Mar 9, 2015 at 4:36 PM, Eliad Peller <eliad@xxxxxxxxxx> wrote: >>> --- a/arch/arm/boot/dts/omap3-igep0020-rev-f.dts >>> +++ b/arch/arm/boot/dts/omap3-igep0020-rev-f.dts >>> @@ -42,4 +42,13 @@ >>> vmmc-supply = <&lbep5clwmc_wlen>; > > Something I forgot to mention is that this vmmc-supply is a DT hack > since the WLAN SDIO chip needs a WL_EN signal to be asserted as a part > of the chip power sequencing. > > But there wasn't a DT binding to describe that so most boards use the > same hack which is to define a fake fixed-regulator with an enable > GPIO just to toggle that pin. > > But now the MMC subsystem has support for power sequence providers and > the pwrseq-simple driver > (Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt) has > support for reset GPIOs so you may want to change that as well. > interesting. i wasn't aware of it. but that's for a different time i guess :) thanks, Eliad. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
