[PATCH 0/4] pinctrl single support for SoC specific features

Roger Quadros rogerq at ti.com
Wed Jul 10 08:10:24 EDT 2013


Hi Tony,

On 06/07/2013 11:50 PM, Tony Lindgren wrote:
> Hi all,
> 
> Here are few patches to add support for SoC specific features
> to pinctrl-single. This is needed at least for omaps to support
> IO chain wake-up events from deeper idle states.
> 
> With this patch series, device drivers can request named pinctrl
> states like active and idle from the PM runtime suspend and resume
> calls to set the wake enable bits for selected pins. Further
> the device driver can toggle the wake-up feature as needed based on
> the device_may_wakeup() state set by the standard sysfs
> power/wakeup entry.
> 
> This is implemented in a separate pinctrl-single-omap driver that
> works together with pinctrl-single. This way the SoC specific
> are separated from the common pinctrl-single, and allows a relatively
> easy way to implement SoC specific things like wake-up events,
> pin interrupts, and GPIO.

What's the status of this? Would be nice to get it in 3.12. I'm basing
the OMAP USB host wakeup support on this.

cheers,
-roger



More information about the linux-arm-kernel mailing list