Messages in this thread | | | Date | Thu, 07 Nov 2013 12:03:51 +0100 | From | Daniel Lezcano <> | Subject | Re: [PATCH v2 0/5] Allwinner SoCs High Speed Timer support |
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On 10/25/2013 03:07 PM, Maxime Ripard wrote: > Hi everyone, > > Here is a few patches adding support for the High Speed Timers running on the > Allwinner SoCs. > > These timers are 64 bits timers running at a much higher speed than the timers > used for now on these SoCs, since they are no longer wired to the 24MHz > oscillator, but to the AHB clock. > > This HS timers are actually found in all the supported SoCs but the A10. > However, the A20 and A31 come with 4 of these high speed timers, while the A10s > and A13 only have two, hence why we introduce two different compatibles. > > The A31 is not using these for now, as its timers are asserted in reset by a > reset controller that first need to gain some support in the kernel first, but > that's for another patchset.
Hi Maxime,
the patchset is applied in my tree for 3.14.
Fixed a trivial conflict in the arch/arm/mach-sunxi/Kconfig
Thanks ! -- Daniel
> Changes from v1: > - Reported correctly the minimum ticks we can set > - No longer use the HS timers as the default timers in the system > - Removed the IRQF_DISABLED interrupt flag > - Filled the irq clock_event_device field > - Changed the cpumask to cpu_possible_mask > > Maxime Ripard (5): > clocksource: sun4i: Increase a bit the clock event and sources rating > clocksource: Add Allwinner SoCs HS timers driver > ARM: sun5i: a10s: Add support for the High Speed Timers > ARM: sun5i: a13: Add support for the High Speed Timers > ARM: sun7i: a20: Add support for the High Speed Timers > > .../bindings/timer/allwinner,sun5i-a13-hstimer.txt | 22 +++ > arch/arm/boot/dts/sun5i-a10s.dtsi | 7 + > arch/arm/boot/dts/sun5i-a13.dtsi | 7 + > arch/arm/boot/dts/sun7i-a20.dtsi | 10 ++ > arch/arm/mach-sunxi/Kconfig | 1 + > drivers/clocksource/Kconfig | 4 + > drivers/clocksource/Makefile | 1 + > drivers/clocksource/sun4i_timer.c | 4 +- > drivers/clocksource/timer-sun5i.c | 192 +++++++++++++++++++++ > 9 files changed, 246 insertions(+), 2 deletions(-) > create mode 100644 Documentation/devicetree/bindings/timer/allwinner,sun5i-a13-hstimer.txt > create mode 100644 drivers/clocksource/timer-sun5i.c >
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