linux-kernel - Re: [PATCH v3 2/3] ARM: dts: da850-evm: enable cpufreq

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Date:   Fri, 12 Apr 2019 16:23:04 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Adam Ford <aford173@...il.com>
Cc:     Sekhar Nori <nsekhar@...com>, Kevin Hilman <khilman@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        David Lechner <david@...hnology.com>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v3 2/3] ARM: dts: da850-evm: enable cpufreq

pt., 12 kwi 2019 o 15:59 Adam Ford <aford173@...il.com> napisał(a):
>
> On Fri, Apr 12, 2019 at 8:06 AM Sekhar Nori <nsekhar@...com> wrote:
> >
> > On 08/04/19 1:29 PM, Bartosz Golaszewski wrote:
> > > From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> > >
> > > Enable cpufreq-dt support for da850-evm. The cvdd is supplied by the
> > > tps6507 pmic with configurable output voltage, so all operating points
> > > can be enabled.
> > >
> > > Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> >
> > Adam, can you please ack? Looks good to me.
>
> Sekhar,
> Based on what I read in the thread about the LCDK, I want to do some
> tests on the da850-evm before put my name on it.  I like what I see in
> general, so I am excited to this this here.
>
> Bartosz - which kernel branch should I use as a starting point to apply these?
>

Upstream v5.1-rc4.

Bartosz

> adam
> >
> > Thanks,
> > Sekhar
> >
> > > ---
> > >  arch/arm/boot/dts/da850-evm.dts | 13 +++++++++++++
> > >  1 file changed, 13 insertions(+)
> > >
> > > diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
> > > index f04bc3e15332..f94bb38fdad9 100644
> > > --- a/arch/arm/boot/dts/da850-evm.dts
> > > +++ b/arch/arm/boot/dts/da850-evm.dts
> > > @@ -191,6 +191,19 @@
> > >       };
> > >  };
> > >
> > > +&cpu {
> > > +     cpu-supply = <&vdcdc3_reg>;
> > > +};
> > > +
> > > +/*
> > > + * The standard da850-evm kits and SOM's are 375MHz so enable this operating
> > > + * point by default. Higher frequencies must be enabled for custom boards with
> > > + * other variants of the SoC.
> > > + */
> > > +&opp_375 {
> > > +     status = "okay";
> > > +};
> > > +
> > >  &sata {
> > >       status = "okay";
> > >  };
> > > --
> > > 2.21.0
> > >
> >