linux-kernel - Re: [PATCH v6 4/4] arm64: dts: ti: am654: Add thermal zones

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Message-ID: <CAHLCerNZqQj=DLkTdHbL5SSs3ufej5BdW+OBVqjuioL26Fn_iQ@mail.gmail.com>
Date:   Wed, 8 Apr 2020 13:00:00 +0530
From:   Amit Kucheria <amit.kucheria@...durent.com>
To:     Keerthy <j-keerthy@...com>
Cc:     Zhang Rui <rui.zhang@...el.com>, Rob Herring <robh+dt@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>, t-kristo@...com,
        "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 PM list <linux-pm@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v6 4/4] arm64: dts: ti: am654: Add thermal zones

On Tue, Apr 7, 2020 at 11:21 AM Keerthy <j-keerthy@...com> wrote:
>
> The am654 SoC has three thermal zones namely MPU0, MPU1 and MCU
> zones.
>
> Signed-off-by: Keerthy <j-keerthy@...com>
Reviewed-by: Amit Kucheria <amit.kucheria@...aro.org>

> ---
>  arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi    |  4 ++
>  .../dts/ti/k3-am654-industrial-thermal.dtsi   | 45 +++++++++++++++++++
>  2 files changed, 49 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
> index 98b89cf0ccdf..54a133fa1bf2 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
> @@ -96,4 +96,8 @@
>                 power-domains = <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>;
>                 #thermal-sensor-cells = <1>;
>         };
> +
> +       thermal_zones: thermal-zones {
> +               #include "k3-am654-industrial-thermal.dtsi"
> +       };
>  };
> diff --git a/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi
> new file mode 100644
> index 000000000000..cdc3d40c3f60
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am654-industrial-thermal.dtsi
> @@ -0,0 +1,45 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +#include <dt-bindings/thermal/thermal.h>
> +
> +mpu0_thermal: mpu0_thermal {
> +       polling-delay-passive = <250>; /* milliseconds */
> +       polling-delay = <500>; /* milliseconds */
> +       thermal-sensors = <&wkup_vtm0 0>;
> +
> +       trips {
> +               mpu0_crit: mpu0_crit {
> +                       temperature = <125000>; /* milliCelsius */
> +                       hysteresis = <2000>; /* milliCelsius */
> +                       type = "critical";
> +               };
> +       };
> +};
> +
> +mpu1_thermal: mpu1_thermal {
> +       polling-delay-passive = <250>; /* milliseconds */
> +       polling-delay = <500>; /* milliseconds */
> +       thermal-sensors = <&wkup_vtm0 1>;
> +
> +       trips {
> +               mpu1_crit: mpu1_crit {
> +                       temperature = <125000>; /* milliCelsius */
> +                       hysteresis = <2000>; /* milliCelsius */
> +                       type = "critical";
> +               };
> +       };
> +};
> +
> +mcu_thermal: mcu_thermal {
> +       polling-delay-passive = <250>; /* milliseconds */
> +       polling-delay = <500>; /* milliseconds */
> +       thermal-sensors = <&wkup_vtm0 2>;
> +
> +       trips {
> +               mcu_crit: mcu_crit {
> +                       temperature = <125000>; /* milliCelsius */
> +                       hysteresis = <2000>; /* milliCelsius */
> +                       type = "critical";
> +               };
> +       };
> +};
> --
> 2.17.1
>