On 10/07/2020 19:02, 周琰杰 (Zhou Yanjie) wrote: > X1000 and SoCs after X1000 (such as X1500 and X1830) had a separate > OST, it no longer belongs to TCU. This driver will register both a > clocksource and a sched_clock to the system. > > Tested-by: 周正 (Zhou Zheng) <sernia.zhou@xxxxxxxxxxx> > Co-developed-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@xxxxxxxxxxx> > Signed-off-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@xxxxxxxxxxx> > Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@xxxxxxxxxxxxxx> > Reviewed-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx> > --- > > Notes: > v1->v2: > Fix compile warnings. > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > v2->v3: > No change. > > v3->v4: > 1.Rename "ost" to "sysost" > 1.Remove unrelated changes. > 2.Remove ost_clock_parent enum. > 3.Remove ost->percpu_timer_channel/ost->global_timer_channel. > 4.Set up independent .recalc_rate/.set_rate for percpu/global timer. > 5.No longer call functions in variable declarations. > > v4->v5: > Use "of_io_request_and_map()" instead "of_iomap()". > Suggested-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx> > > v5->v6: > No change. > > drivers/clocksource/Kconfig | 11 + > drivers/clocksource/Makefile | 1 + > drivers/clocksource/ingenic-sysost.c | 539 +++++++++++++++++++++++++++++++++++ > 3 files changed, 551 insertions(+) > create mode 100644 drivers/clocksource/ingenic-sysost.c > > diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig > index 91418381fcd4..1bca8b8fb30f 100644 > --- a/drivers/clocksource/Kconfig > +++ b/drivers/clocksource/Kconfig > @@ -696,6 +696,17 @@ config INGENIC_TIMER > help > Support for the timer/counter unit of the Ingenic JZ SoCs. > > +config INGENIC_SYSOST > + bool "Clocksource/timer using the SYSOST in Ingenic X SoCs" We usually use silent options and let the platform's Kconfig enable it. We show up the option only when COMPILE_TEST is enabled. Is there a reason to do it differently? > + default MACH_INGENIC > + depends on MIPS || COMPILE_TEST > + depends on COMMON_CLK > + select MFD_SYSCON > + select TIMER_OF > + select IRQ_DOMAIN > + help > + Support for the SYSOST of the Ingenic X Series SoCs. > + [ ... ] -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
