[PATCH v8 2/3] clocksource: Add JH7110 timer driver

Xingyu Wu xingyu.wu at starfivetech.com
Wed Dec 20 17:50:10 PST 2023


On 2023/12/20 21:59, Emil Renner Berthing wrote:
> Xingyu Wu wrote:
>> Add timer driver for the StarFive JH7110 SoC and select it by
>> CONFIG_SOC_STARFIVE.
>>
>> This timer has four free-running and independent 32-bit counters.
>> Each channel(counter) can trigger an interrupt when timeout even
>> CPU is sleeping. So this timer is used as global timer and register
>> clockevent for each CPU core after riscv-timer registration on the
>> StarFive JH7110 SoC.
>>
>> Signed-off-by: Xingyu Wu <xingyu.wu at starfivetech.com>
>> ---
>>  MAINTAINERS                        |   7 +
>>  arch/riscv/Kconfig.socs            |   1 +
>>  drivers/clocksource/Kconfig        |   9 +
>>  drivers/clocksource/Makefile       |   1 +
>>  drivers/clocksource/timer-jh7110.c | 360 +++++++++++++++++++++++++++++
>>  include/linux/cpuhotplug.h         |   1 +
>>  6 files changed, 379 insertions(+)
>>  create mode 100644 drivers/clocksource/timer-jh7110.c
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index 9104430e148e..fe0e803606a5 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -20617,6 +20617,13 @@ S:	Maintained
>>  F:	Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
>>  F:	sound/soc/starfive/jh7110_tdm.c
>>
>> +STARFIVE JH7110 TIMER DRIVER
>> +M:	Samin Guo <samin.guo at starfivetech.com>
> 
> Last time I sent a mail to samin.guo at starfivetech.com it bounced. Was that just
> a temporary error?
> 
> /Emil

Oh, This email has been deactivated and I don't have his other personal email.
I had dropped it in the driver but forget it here.
Will fix.

Thanks,
Xingyu Wu

> 
>> +M:	Xingyu Wu <xingyu.wu at starfivetech.com>
>> +S:	Supported
>> +F:	Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml
>> +F:	drivers/clocksource/timer-jh7110.c
>> +
>>  STARFIVE JH71X0 CLOCK DRIVERS
>>  M:	Emil Renner Berthing <kernel at esmil.dk>
>>  M:	Hal Feng <hal.feng at starfivetech.com>




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