Message ID | 1507538915-16566-3-git-send-email-jacopo+renesas@jmondi.org (mailing list archive) |
---|---|
State | Accepted |
Commit | 1126e108a3ad8ae92a0532259e3da4b14072355f |
Delegated to: | Simon Horman |
Headers | show |
On Mon, Oct 9, 2017 at 10:48 AM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote: > Enable ostm0 and ostm1 timers to be used as clock source and clockevent > source. The timers provides greater accuracy than the already enabled > mtu2 one. > > With these enabled: > > clocksource: ostm: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 57352151442 ns > sched_clock: 32 bits at 33MHz, resolution 30ns, wraps every 64440619504ns > ostm: used for clocksource > ostm: used for clock events > > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> > Suggested-by: Chris Brandt <chris.brandt@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/arch/arm/boot/dts/r7s72100-gr-peach.dts b/arch/arm/boot/dts/r7s72100-gr-peach.dts index 990435c..9e9e890 100644 --- a/arch/arm/boot/dts/r7s72100-gr-peach.dts +++ b/arch/arm/boot/dts/r7s72100-gr-peach.dts @@ -104,6 +104,14 @@ status = "okay"; }; +&ostm0 { + status = "okay"; +}; + +&ostm1 { + status = "okay"; +}; + &scif2 { pinctrl-names = "default"; pinctrl-0 = <&scif2_pins>;
Enable ostm0 and ostm1 timers to be used as clock source and clockevent source. The timers provides greater accuracy than the already enabled mtu2 one. With these enabled: clocksource: ostm: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 57352151442 ns sched_clock: 32 bits at 33MHz, resolution 30ns, wraps every 64440619504ns ostm: used for clocksource ostm: used for clock events Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Suggested-by: Chris Brandt <chris.brandt@renesas.com> --- arch/arm/boot/dts/r7s72100-gr-peach.dts | 8 ++++++++ 1 file changed, 8 insertions(+)