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]> Yours, Linus Walleij -- 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/
