Thanks all for providing valuable information. another query here,please provide your iputs: Iam configuring GPIOs belonging to each of the register banks as direction input/ouput & also as interrupts from a different kernel driver.Iam using gpiolib APIs like gpio_request(),gpio_to_irq() to achive this.How do I differentiate configuring GPIOs related to each of the register bank ?Is it possible to configure GPIOs as input/output & also as interrupts?If yes,how?
Thanks & Regards, Kumar On Tue, Mar 18, 2014 at 11:09 PM, Darren Hart <dvh...@linux.intel.com>wrote: > On 3/18/14, 9:47, "Paul Eggleton" <paul.eggle...@linux.intel.com> wrote: > > >On Tuesday 18 March 2014 08:52:31 Darren Hart wrote: > >> On Intel there is an upcoming modification to the ACPI specification > >>that > >> will enable you to describe in ACPI via named method (_PRP) what you > >>can do > >> in Device Tree for the other architectures. In the meantime, board > >>files are > >> the most expedient option. For more detail on both the _PRP and board > >> files, see my "How not to write an x86 platform driver" presentation at > >>the > >> 2013 Embedded Linux Europe Conference: > >> > >> > >>http://events.linuxfoundation.org/sites/events/files/slides/x86-platform > . > >>pdf > >> > >> And I think there is video..... but I can't seem to find it. Perhaps > >>your > >> google foo will prove superior ;-) > > > >http://www.youtube.com/watch?v=IZuNCN7wkqs > > > >(I watched it recently - great presentation BTW :) > > Ah, great. Thank you Paul! > > -- > Darren Hart > Yocto Project - Linux Kernel > Intel Open Source Technology Center > > > > >
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