linux-kernel - Re: [PATCH 1/3] arm64: dts: msm8916: Add cpu cooling maps

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Message-ID: <CAL_Jsq+QRTi6MnsnZeDVzUXsj5ya0OBROp8HeZ1cX+F=EGtoCA@mail.gmail.com>
Date:   Tue, 6 Mar 2018 08:43:51 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Amit Kucheria <amit.kucheria@...aro.org>,
        Viresh Kumar <viresh.kumar@...aro.org>
Cc:     linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-soc@...r.kernel.org>,
        devicetree@...r.kernel.org,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] arm64: dts: msm8916: Add cpu cooling maps

+Viresh

On Tue, Mar 6, 2018 at 7:05 AM, Amit Kucheria <amit.kucheria@...aro.org> wrote:
> From: Rajendra Nayak <rnayak@...eaurora.org>
>
> Add cpu cooling maps for cpu passive trip points. The cpu cooling
> device states are mapped to cpufreq based scaling frequencies.
>
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> Signed-off-by: Amit Kucheria <amit.kucheria@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/msm8916.dtsi | 31 +++++++++++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> index e468277..acac9e3 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> @@ -15,6 +15,7 @@
>  #include <dt-bindings/clock/qcom,gcc-msm8916.h>
>  #include <dt-bindings/reset/qcom,gcc-msm8916.h>
>  #include <dt-bindings/clock/qcom,rpmcc.h>
> +#include <dt-bindings/thermal/thermal.h>
>
>  / {
>         model = "Qualcomm Technologies, Inc. MSM8916";
> @@ -115,6 +116,10 @@
>                         cpu-idle-states = <&CPU_SPC>;
>                         clocks = <&apcs 0>;
>                         operating-points-v2 = <&cpu_opp_table>;
> +                       /* cooling options */
> +                       cooling-min-level = <0>;
> +                       cooling-max-level = <7>;

Viresh is working on removing these from the binding...

> +                       #cooling-cells = <2>;
>                 };
>
>                 CPU1: cpu@1 {