Re: [PATCH 2/2] use symbolic names for spitz/pxa GPIOs (ported resend) | |
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Eric Miao wrote: > Dmitry Baryshkov wrote: > > On Thu, Jul 24, 2008 at 02:03:13PM +0200, Stanislav Brabec wrote: > >> spitz scoop2 <-> akita ioexp mapping exists in hw and it is defined by > >> PCB wiring. See the other mail in this thread. > > > > I know. > > I've checked header files. Pin numbers don't look to be the same, > > so you'll have to at least introduce gpio number indirection. Pin numbers are different, scoop2 has 9 free pins, ioexp only 8 ports, but all used pins are physically wired. For unused pins, it's possible to define an arbitrary mapping - AFAIK, no hardware modders tried to use it yet. > > BTW: I'm going to post a serie of patches starting spitz and corgi > > conversion of scoop to use gpio api. Looking forward to see the > > akita-ioexp providing generic gpio api. Somebody has tald, that it > > can be handled by some already-existing driver for i2c gpio > expander, > > but I didn't check that yet. gpio api would be nice for ioexp as well. > > It's a max7310 if I remember correctly, which resembles much the way > like pca953x. Someone needs to verify that, though. Yes, it should be MAX7310ATE. Here is the data sheet: http://www.penguin.cz/~utx/zaurus/datasheets/ports/7310A_TE506_NIAC_Akita_only/MAX7310.pdf -- Best Regards / S pozdravem, Stanislav Brabec software developer --------------------------------------------------------------------- SUSE LINUX, s. r. o. e-mail: sbrabec@xxxxxxx Lihovarská 1060/12 tel: +420 284 028 966, +49 911 740538747 190 00 Praha 9 fax: +420 284 028 951 Czech Republic http://www.suse.cz/ ------------------------------------------------------------------- List admin: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm-kernel FAQ: http://www.arm.linux.org.uk/mailinglists/faq.php Etiquette: http://www.arm.linux.org.uk/mailinglists/etiquette.php
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