linux-kernel - Re: [PATCH v7 6/7] arm64: dts: amlogic: g12b: add cooling properties

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Message-ID: <CAHLCerOcHoMLc8kjBvG3ssiro31sr2Fsv5dGscqCTD72xdaLMQ@mail.gmail.com>
Date:   Wed, 16 Oct 2019 14:38:39 +0530
From:   Amit Kucheria <amit.kucheria@...aro.org>
To:     Guillaume La Roque <glaroque@...libre.com>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        lakml <linux-arm-kernel@...ts.infradead.org>,
        linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH v7 6/7] arm64: dts: amlogic: g12b: add cooling properties

On Fri, Oct 4, 2019 at 2:31 PM Guillaume La Roque <glaroque@...libre.com> wrote:
>
> Add missing #colling-cells field for G12B SoC
> Add cooling-map for passive and hot trip point
>
> Tested-by: Christian Hewitt <christianshewitt@...il.com>
> Tested-by: Kevin Hilman <khilman@...libre.com>
> Reviewed-by: Neil Armstrong <narmstrong@...libre.com>
> Signed-off-by: Guillaume La Roque <glaroque@...libre.com>

Reviewed-by: Amit Kucheria <amit.kucheria@...aro.org>

> ---
>  arch/arm64/boot/dts/amlogic/meson-g12b.dtsi | 29 +++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
> index 98ae8a7c8b41..4bb89bce758f 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
> @@ -49,6 +49,7 @@
>                         reg = <0x0 0x0>;
>                         enable-method = "psci";
>                         next-level-cache = <&l2>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu1: cpu@1 {
> @@ -57,6 +58,7 @@
>                         reg = <0x0 0x1>;
>                         enable-method = "psci";
>                         next-level-cache = <&l2>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu100: cpu@100 {
> @@ -65,6 +67,7 @@
>                         reg = <0x0 0x100>;
>                         enable-method = "psci";
>                         next-level-cache = <&l2>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu101: cpu@101 {
> @@ -73,6 +76,7 @@
>                         reg = <0x0 0x101>;
>                         enable-method = "psci";
>                         next-level-cache = <&l2>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu102: cpu@102 {
> @@ -81,6 +85,7 @@
>                         reg = <0x0 0x102>;
>                         enable-method = "psci";
>                         next-level-cache = <&l2>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 cpu103: cpu@103 {
> @@ -89,6 +94,7 @@
>                         reg = <0x0 0x103>;
>                         enable-method = "psci";
>                         next-level-cache = <&l2>;
> +                       #cooling-cells = <2>;
>                 };
>
>                 l2: l2-cache0 {
> @@ -219,3 +225,26 @@
>  &sd_emmc_a {
>         amlogic,dram-access-quirk;
>  };
> +
> +&cpu_thermal {
> +       cooling-maps {
> +               map0 {
> +                       trip = <&cpu_passive>;
> +                       cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +               };
> +               map1 {
> +                       trip = <&cpu_hot>;
> +                       cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +                                        <&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +               };
> +       };
> +};
> --
> 2.17.1
>