[PATCH V2 0/7] ARM: OMAP2+: Add device-tree support for timers
Benoit Cousson
b-cousson at ti.com
Thu Sep 20 12:23:07 EST 2012
Hi Tony,
I was about to take the DTS patch, but was wondering if you will pull
the driver changes for 3.7.
Thanks,
Benoit
On 09/14/2012 01:31 AM, Jon Hunter wrote:
> This series adds device-tree support for the timers on OMAP2+ devices
> including AM33xx.
>
> Testing:
> 1. I have booted linux with this series on OMAP2420 H4, OMAP3430 Beagle and
> OMAP4430 Panda with/without device-tree present.
> 2. Vaibhav has booted linux on AM335x Beagle bone (thanks!)
> 3. 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.
> 4. Verified on OMAP4430 and AM33xx (Vaibhav) that the kernel boots when using a
> GP timer as clock-source (default for OMAP is 32k-sync timer). Thanks to
> Vaibhav for catching and tracking down a bug when using a GP-timer as the
> clock-source!
>
> V2 changes:
> - Remove use of device-tree alias property
> - Migrate OMAP timers to request timers by property instead of device ID
> - Include OMAP2 support
>
> Jon Hunter (7):
> 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 a timer attribute for timers that can interrupt the
> DSP
> ARM: OMAP: Add function to request a timer by capability
> ARM: OMAP3: Add generic machine descriptor for boards with OMAP3 GP
> devices
> ARM: OMAP: Add DT support for timer driver
>
> .../devicetree/bindings/arm/omap/timer.txt | 30 +++++
> arch/arm/boot/dts/am33xx.dtsi | 61 +++++++++
> arch/arm/boot/dts/omap2.dtsi | 86 +++++++++++++
> arch/arm/boot/dts/omap2420.dtsi | 8 ++
> arch/arm/boot/dts/omap2430.dtsi | 8 ++
> arch/arm/boot/dts/omap3.dtsi | 96 ++++++++++++++
> arch/arm/boot/dts/omap4.dtsi | 86 +++++++++++++
> arch/arm/mach-omap1/timer.c | 2 +-
> arch/arm/mach-omap2/board-generic.c | 18 +++
> arch/arm/mach-omap2/clock44xx_data.c | 12 ++
> arch/arm/mach-omap2/common.h | 1 +
> arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c | 9 ++
> arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 15 ++-
> arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 15 ++-
> arch/arm/mach-omap2/timer.c | 131 +++++++++++++++++---
> arch/arm/plat-omap/dmtimer.c | 94 +++++++++++++-
> arch/arm/plat-omap/include/plat/dmtimer.h | 2 +
> 17 files changed, 646 insertions(+), 28 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/arm/omap/timer.txt
>
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