Messages in this thread | | | From | Heiko Stuebner <> | Subject | Re: [RESEND RFC PATCH 2/2] ARM: dts: rockchip: Update the cpu freqs table | Date | Fri, 08 Jan 2016 20:16:19 +0100 |
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Hi Xing,
Am Freitag, 8. Januar 2016, 19:31:38 schrieb Xing Zheng: > Actually, we need more cpu freqs which are 50MHz integer multiples. > > Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> > --- > > arch/arm/boot/dts/rk3036.dtsi | 13 ++++++++++++- > 1 file changed, 12 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi > index 1cb5877..1a773eb 100644 > --- a/arch/arm/boot/dts/rk3036.dtsi > +++ b/arch/arm/boot/dts/rk3036.dtsi > @@ -79,7 +79,18 @@ > resets = <&cru SRST_CORE0>; > operating-points = < > /* KHz uV */ > - 816000 1000000 > + 1200000 1200000 > + 1100000 1200000 > + 1000000 1200000 > + 900000 1200000 > + 800000 1200000 > + 700000 1200000 > + 600000 1200000 > + 500000 1200000 > + 400000 1200000 > + 300000 1200000 > + 200000 1200000 > + 100000 1200000
what about reducing the voltage as well?
From rk3288-specific discussions I remember that reducing the frequency without touching the voltage, didn't really save so much energy. And it looks like it was running 816MHz@1.0V just fine as well.
I guess you should find out which voltages are really necessary for each step.
Heiko
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