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SubjectRe: [PATCH v2 0/5] Allwinner SoCs High Speed Timer support
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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