Re: [PATCH v2 1/4] pinctrl: st: Add Interrupt support.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Jan 16, 2014 at 4:36 PM,  <srinivas.kandagatla@xxxxxx> wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxx>
>
> This patch add interrupt support to the pincontroller driver.
>
> ST Pincontroller GPIO bank can have one of the two possible types of
> interrupt-wirings.
>
> First type is via irqmux, single interrupt is used by multiple gpio
> banks. This reduces number of overall interrupts numbers required. All
> these banks belong to a single pincontroller.
>                   _________
>                  |         |----> [gpio-bank (n)    ]
>                  |         |----> [gpio-bank (n + 1)]
>         [irqN]-- | irq-mux |----> [gpio-bank (n + 2)]
>                  |         |----> [gpio-bank (...  )]
>                  |_________|----> [gpio-bank (n + 7)]
>
> Second type has a dedicated interrupt per gpio bank.
>
>         [irqN]----> [gpio-bank (n)]
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxx>

I've applied this patch so that it won't just sit idle.
Besides you've done a real good job on it Srinivas.

It'll be for v3.15 though and I'm still waiting to see if
the device tree people say something about it.

Yours,
Linus Walleij
--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux