From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Tue, 15 Dec 2009 22:21:26 +0100 Subject: GPIO support for HTC Dream In-Reply-To: <1260907626.32296.16.camel@c-dwalke-linux.qualcomm.com> References: <4B2150B7.3040207@bluewatersys.com> <20091211221015.GB24456@elf.ucw.cz> <20091214064545.GK5114@elf.ucw.cz> <1260813293.13078.15.camel@c-dwalke-linux.qualcomm.com> <20091215191229.GC26422@elf.ucw.cz> <1260907626.32296.16.camel@c-dwalke-linux.qualcomm.com> Message-ID: <20091215212125.GQ24406@elf.ucw.cz> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue 2009-12-15 12:07:06, Daniel Walker wrote: > On Tue, 2009-12-15 at 20:12 +0100, Pavel Machek wrote: > > > > One other thing. Are the gpio's handled by Pavel's driver actually from the > > > > MSM chip or from an external CPLD? The registers are all defined as: > > > > > > > > + .reg = reg_num + DREAM_CPLD_BASE, > > > > > > > > If they are external from the MSM chip this driver should probably be renamed > > > > to something more appropriate since it is probably dream specific and not > > > > generic to the msm architecture. > > > > > > These are board specific gpios. I think it would be less confusing if > > > the msm gpio support was added first. > > > > I did not see msm-generic gpios in the trees, where are they? What is > > connected over them? > > Did you look at arch/arm/mach-msm/gpio.[ch] ? It looks like there some > idle related code in there, and "SMEM" is connected through that code. > (unless I'm looking at an older tree.) Aha, I see... more gpios. No wonder I had problems with MMC and framebuffer.... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html