Messages in this thread | | | Subject | Re: [PATCH 2/2] DTS: dra7: Add "opp_high" opp node to support 1.5 GHz SoC operation | From | Dave Gerlach <> | Date | Fri, 3 Feb 2017 10:56:57 -0600 |
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On 02/03/2017 09:24 AM, Lukasz Majewski wrote: > The "opp_high" property brings support for 1.5 GHz CPU frequency for TI's > am57xx line of processors. > > Signed-off-by: Lukasz Majewski <lukma@denx.de> > --- > arch/arm/boot/dts/dra7.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) >
This can't be blindly enabled for all am57xx SoCs, there is a forthcoming ti-cpufreq [1] driver that is needed that will decided which OPPs can and cannot be enabled for the specific variant in use.
Regards, Dave
[1] http://www.spinics.net/lists/devicetree/msg158967.html
> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi > index a860a56..5e678cd 100644 > --- a/arch/arm/boot/dts/dra7.dtsi > +++ b/arch/arm/boot/dts/dra7.dtsi > @@ -108,6 +108,11 @@ > opp-hz = /bits/ 64 <1176000000>; > opp-microvolt = <1160000 885000 1160000>; > }; > + > + opp_high@1500000000 { > + opp-hz = /bits/ 64 <1500000000>; > + opp-microvolt = <1210000 950000 1250000>; > + }; > }; > > /* >
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