linux-kernel - Re: [PATCH V3 14/15] arm64: dts: mediatek: Add MediaTek CCI node for MT8183

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Date:   Fri, 15 Apr 2022 14:10:58 +0800
From:   Hsin-Yi Wang <hsinyi@...gle.com>
To:     Rex-BC Chen <rex-bc.chen@...iatek.com>
Cc:     rafael@...nel.org, Viresh Kumar <viresh.kumar@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, krzk+dt@...nel.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tim Chang <jia-wei.chang@...iatek.com>, roger.lu@...iatek.com,
        Kevin Hilman <khilman@...libre.com>,
        angelogioacchino.delregno@...labora.com, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        "Andrew-sh . Cheng" <andrew-sh.cheng@...iatek.com>
Subject: Re: [PATCH V3 14/15] arm64: dts: mediatek: Add MediaTek CCI node for MT8183

On Fri, Apr 15, 2022 at 2:06 PM Hsin-Yi Wang <hsinyi@...gle.com> wrote:
>
> On Fri, Apr 15, 2022 at 1:59 PM Rex-BC Chen <rex-bc.chen@...iatek.com> wrote:
> >
> > Add MediaTek CCI devfreq node for MT8183.
> >
> > Signed-off-by: Andrew-sh.Cheng <andrew-sh.cheng@...iatek.com>
> > Signed-off-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
> > ---
> >  arch/arm64/boot/dts/mediatek/mt8183-evb.dts    | 4 ++++
> >  arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 4 ++++
> >  arch/arm64/boot/dts/mediatek/mt8183.dtsi       | 7 +++++++
> >  3 files changed, 15 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> > index 8953dbf84f3e..7ac9864db9de 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> > +++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> > @@ -412,6 +412,10 @@
> >
> >  };
> >
> > +&cci {
> > +       proc-supply = <&mt6358_vproc12_reg>;
> > +};
> > +
> >  &cpu0 {
> >         proc-supply = <&mt6358_vproc12_reg>;
> >  };
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > index 0f9480f91261..4786a32ee975 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > @@ -230,6 +230,10 @@
> >         status = "okay";
> >  };
> >
> > +&cci {
> > +       proc-supply = <&mt6358_vproc12_reg>;
> > +};
> > +
> >  &cpu0 {
> >         proc-supply = <&mt6358_vproc12_reg>;
> >  };
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > index 4ae3305d16d2..334728413582 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > @@ -280,6 +280,13 @@
> >                 };
> >         };
> >
> > +       cci: cci {
> > +               compatible = "mediatek,mt8183-cci";
> > +               clocks = <&apmixedsys CLK_APMIXED_CCIPLL>;
> > +               clock-names = "cci_clock";
> > +               operating-points-v2 = <&cci_opp>;
>
> hi Rex,
>
> cci_opp is not defined in dts.
>
It's in the previous patch. Please ignore this comment.

> > +       };
> > +
> >         cpus {
> >                 #address-cells = <1>;
> >                 #size-cells = <0>;
> > --
> > 2.18.0
> >