On Thu, Mar 28, 2013 at 12:16 AM, Linus Walleij <[email protected]> wrote: > On Tue, Mar 26, 2013 at 1:23 AM, Magnus Damm <[email protected]> wrote: > >> From: Magnus Damm <[email protected]> >> >> This patch is V3 of a GPIO driver for the R-Car series of >> SoCs from Renesas. This driver is designed to be reusable >> between multiple SoCs that share the same basic building block, >> but so far it has only been used on R-Car H1 (r8a7779). >> >> Each driver instance handles 32 GPIOs with individually >> maskable IRQs. The driver operates on a single I/O memory >> range and the 32 GPIOs are hooked up a single interrupt. >> >> In the case of R-Car H1 either external IRQ pins or GPIOs >> with interrupts can be used for on-board interupts. For >> external IRQs 4 pins are supported, and in the case of GPIO >> there are 202 GPIOS as 202 interrupts hooked up via 6 driver >> instances and to the GIC and the Cortex-A9 Quad. >> >> At this point this driver is interfacing as a regular >> platform device driver. In the future DT support will be >> submitted as an incremental feature patch. >> >> Signed-off-by: Magnus Damm <[email protected]> > > Gorgeous driver. > Reviewed-by: Linus Walleij <[email protected]>
Thanks! This particular GPIO hardware block hasn't been around for so long so it's still not spoiled by special cases like the PFC or INTC stuff. Cheers, / magnus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
