From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH v2] mfd: arizona: Add DT binding for irq-gpios property Date: Fri, 6 Nov 2015 09:49:20 +0000 Message-ID: <20151106094920.GE3378@x1> References: <1446559806-3315-1-git-send-email-sjan@baylibre.com> <20151103150450.GP20228@sirena.org.uk> <20151103165247.GC2549@ck-lbox> <563AF241.5030404@baylibre.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <563AF241.5030404-rdvid1DuHRBWk0Htik3J/w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sebastien Jan Cc: Charles Keepax , Mark Brown , Samuel Ortiz , patches-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org, alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On Thu, 05 Nov 2015, Sebastien Jan wrote: > On 03/11/2015 17:52, Charles Keepax wrote: > >On Tue, Nov 03, 2015 at 03:04:50PM +0000, Mark Brown wrote: > >>On Tue, Nov 03, 2015 at 03:10:06PM +0100, Sebastien Jan wrote: > >> > >>>+ - irq-gpios : GPIO specifier for the GPIO connected to /IRQ > >>The platform data this is providing is essentially a workaround for= the > >>lack of an irq_to_gpio() function and the use of it is a workaround= for > >>the lack of level triggered IRQ emulation in genirq... do we reall= y > >>want this in the ABI (especially as a generic thing)? > >Personally I would rather not add this to the DT unless we really > >had to. > > > >Also are you sure this is necessary on your system? Specifically > >you only need this entry if the CODEC is connected to an IRQ line > >that only supports edge triggered IRQs. >=20 > Mark, Charles, thanks for pointing me to this information. >=20 > I don't have this specific constraint on my system and could finally > also have it working using the regular interrupts / interrup-parent > properties. >=20 > So this new binding is not required for my case. I suppose we can > forget about it. My favourite kind of property. ;) --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs =46ollow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe devicetree" i= n the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html