On Thu, Aug 29, 2013 at 10:24:30AM +0200, Linus Walleij wrote: > On Thu, Aug 29, 2013 at 9:35 AM, Christian Ruppert > <christian.ruppert@xxxxxxxxxx> wrote: > > On Wed, Aug 28, 2013 at 08:49:36PM +0200, Linus Walleij wrote: > >> On Wed, Aug 21, 2013 at 5:57 PM, Christian Ruppert > >> <christian.ruppert@xxxxxxxxxx> wrote: > >> > On Wed, Aug 14, 2013 at 06:53:56PM +0200, Linus Walleij wrote: > >> >> > >> >> OK, that can also be called a "bank" or "register" but whatever. > >> > > >> > As you suggested below I re-read Documentation/pinctrl.txt and it got me > >> > even more confused: > >> > Am I right in my understanding that the whole concept of a > >> > "port/bank/register" or whatever we would like to call it does not exist > >> > in the pinctrl framework? > >> > >> Not that I know :-) > >> > >> If what it means is a number of registers from address x thru x+n > >> words in memory that is called a register range usually, the > >> Device Tree "regs" property. > >> > >> If you're referring to a subset of registers dealing with a batch > >> of pins or a single pin that can use whatever terminology you > >> want, I consider it a driver-internal detail. Some GPIO drivers > >> talk about "ports" when they have e.g. 2 x 32bit registers > >> handling a total of 64 pins, then that is port 0 and port 1 or > >> something like this, but it's really up to the driver. > > > > Actually, it's a set of pins the muxing of which is controlled by the > > same register. E.g. Port A is the set of all the pins which are > > controlled by register field A. > > What is wrong with calling that a "pin-set register" or something? Nothing. Except perhaps that I hope we can confine that concept to the driver and thus eliminate the need to talk about it altogether ;) Greetings, Christian -- 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
