[RFC 0/4] ARM: OMAP3+: Add device-tree support for timers

Jon Hunter jon-hunter at ti.com
Sat Jul 14 08:28:54 EST 2012


Sorry for all the noise. I was having network problems in the midst of
sending and then I royally screwed it up by deciding to make some last
minute edits. So ignore this version of the series.

Jon

On 07/13/2012 05:19 PM, Jon Hunter wrote:
> This series adds device-tree support for the timers on OMAP3/4 devices. Once
> everyone is happy with the implementation I can add support for OMAP2/5 devices
> too.
> 
> Testing:
> - I have tested the all the timers (not used by the kernel as sys-timers) on
>   both OMAP3430 Beagle and OMAP4460 Panda with/without device-tree with this
>   series.
> - The testing includes
> 	- Configuring, starting a timer and checking the counter value is
> 	  incrementing.
> 	- Testing timer overflow interrupt when timer expires.
> 	- Using different clock sources to operate the timer with.
> 	- Using DT to provide resource information for IRQ and memory by
> 	  removing Benoit's intention "HACK" in commit a4f6cdb0 (ARM: OMAP:
> 	  omap_device: Add omap_device_[alloc|delete] for DT integration)
> 
> Jon Hunter (4):
>   arm/dts: OMAP: Add timer nodes
>   ARM: OMAP3: Dynamically disable secure timer nodes for secure devices
>   ARM: OMAP4: Add timer clock aliases for device-tree
>   ARM: OMAP: Add DT support for timer driver
> 
>  .../devicetree/bindings/arm/omap/timer.txt         |   34 +++++++
>  arch/arm/boot/dts/omap3.dtsi                       |  104 ++++++++++++++++++++
>  arch/arm/boot/dts/omap4.dtsi                       |   93 +++++++++++++++++
>  arch/arm/mach-omap2/board-generic.c                |    1 +
>  arch/arm/mach-omap2/clock44xx_data.c               |   12 +++
>  arch/arm/mach-omap2/common.h                       |    1 +
>  arch/arm/mach-omap2/timer.c                        |   40 ++++++++
>  arch/arm/plat-omap/dmtimer.c                       |   32 ++++--
>  8 files changed, 311 insertions(+), 6 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/arm/omap/timer.txt
> 



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