[PATCH V3 0/5] ARM: OMAP2+: Add device-tree support for timers

Jon Hunter jon-hunter at ti.com
Wed Oct 17 14:03:16 EDT 2012


On 10/17/2012 01:01 PM, Jon Hunter wrote:
> This series adds device-tree support for the timers on OMAP2+ devices
> including AM33xx.
> 
> Testing:
> 1. I have booted tested this series on OMAP2420 H4, OMAP3430 Beagle, OMAP4430
>    Panda and AM335x Beagle Bone with/without ...
>    a). device-tree present
>    b). CONFIG_OMAP_32K_TIMER set
>    c). kernel boot parameter "clocksource=gp_timer" present
> 2. I have tested the all the timers (not used by the kernel as sys-timers) on
>    OMAP2420 H4, OMAP3430 Beagle and OMAP4430 Panda with/without device-tree with
>    this series. The testing includes ...
>    a. Configuring, starting a timer and checking the counter value is
>       incrementing.
>    b. Testing timer overflow interrupt when timer expires.
>    c. Using different clock sources to operate the timer with.
> 
> V3 changes:
> - Removed definition "TIMER_PROP_ALWON" per Rob Herring's feedback
> - Updated OMAP system timer (clock-events and clock-source) code so that
>   HWMOD is NOT used for getting resource (memory and interrupt) information
>   when device-tree is present.
> 
> V2 changes:
> - Remove use of device-tree alias property
> - Migrate OMAP timers to request timers by property instead of device ID
> - Include OMAP2 support

Forgot to mention that this is based on top of v3.7-rc1.

Cheers
Jon



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