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Message-ID: <CAHLCerN+SCuWZJw4OgR7KuDWpkXf5xo-1q=pe0axH2W=DffUXw@mail.gmail.com>
Date:   Wed, 16 Oct 2019 14:38:18 +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 4/7] arm64: dts: meson: g12: Add minimal thermal zone

On Fri, Oct 4, 2019 at 2:31 PM Guillaume La Roque <glaroque@...libre.com> wrote:
>
> Add minimal thermal zone for two temperature sensor
> One is located close to the DDR and the other one is
> located close to the PLLs (between the CPU and GPU)
>
> Acked-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> Reviewed-by: Neil Armstrong <narmstrong@...libre.com>
> Tested-by: Christian Hewitt <christianshewitt@...il.com>
> Tested-by: Kevin Hilman <khilman@...libre.com>
> Signed-off-by: Guillaume La Roque <glaroque@...libre.com>

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

> ---
>  .../boot/dts/amlogic/meson-g12-common.dtsi    | 57 +++++++++++++++++++
>  1 file changed, 57 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
> index 0660d9ef6a86..a98c16e163c2 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
> @@ -12,6 +12,7 @@
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>
>  #include <dt-bindings/reset/amlogic,meson-g12a-reset.h>
> +#include <dt-bindings/thermal/thermal.h>
>
>  / {
>         interrupt-parent = <&gic>;
> @@ -94,6 +95,61 @@
>                 #size-cells = <2>;
>                 ranges;
>
> +               thermal-zones {
> +                       cpu_thermal: cpu-thermal {
> +                               polling-delay = <1000>;
> +                               polling-delay-passive = <100>;
> +                               thermal-sensors = <&cpu_temp>;
> +
> +                               trips {
> +                                       cpu_passive: cpu-passive {
> +                                               temperature = <85000>; /* millicelsius */
> +                                               hysteresis = <2000>; /* millicelsius */
> +                                               type = "passive";
> +                                       };
> +
> +                                       cpu_hot: cpu-hot {
> +                                               temperature = <95000>; /* millicelsius */
> +                                               hysteresis = <2000>; /* millicelsius */
> +                                               type = "hot";
> +                                       };
> +
> +                                       cpu_critical: cpu-critical {
> +                                               temperature = <110000>; /* millicelsius */
> +                                               hysteresis = <2000>; /* millicelsius */
> +                                               type = "critical";
> +                                       };
> +                               };
> +                       };
> +
> +                       ddr_thermal: ddr-thermal {
> +                               polling-delay = <1000>;
> +                               polling-delay-passive = <100>;
> +                               thermal-sensors = <&ddr_temp>;
> +
> +                               trips {
> +                                       ddr_passive: ddr-passive {
> +                                               temperature = <85000>; /* millicelsius */
> +                                               hysteresis = <2000>; /* millicelsius */
> +                                               type = "passive";
> +                                       };
> +
> +                                       ddr_critical: ddr-critical {
> +                                               temperature = <110000>; /* millicelsius */
> +                                               hysteresis = <2000>; /* millicelsius */
> +                                               type = "critical";
> +                                       };
> +                               };
> +
> +                               cooling-maps {
> +                                       map {
> +                                               trip = <&ddr_passive>;
> +                                               cooling-device = <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
>                 ethmac: ethernet@...f0000 {
>                         compatible = "amlogic,meson-axg-dwmac",
>                                      "snps,dwmac-3.70a",
> @@ -2412,6 +2468,7 @@
>                         assigned-clock-rates = <0>, /* Do Nothing */
>                                                <800000000>,
>                                                <0>; /* Do Nothing */
> +                       #cooling-cells = <2>;
>                 };
>         };
>
> --
> 2.17.1
>

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