[v6,4/4] arm64: dts: ti: am654: Add thermal zones
diff mbox series

Message ID 20200407055116.16082-5-j-keerthy@ti.com
State New
Delegated to: Daniel Lezcano
Headers show
Series
  • thermal: k3: Add support for bandgap sensors
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Commit Message

J, KEERTHY April 7, 2020, 5:51 a.m. UTC
The am654 SoC has three thermal zones namely MPU0, MPU1 and MCU
zones.

Signed-off-by: Keerthy <j-keerthy@ti.com>
---
 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

Comments

Amit Kucheria April 8, 2020, 7:30 a.m. UTC | #1
On Tue, Apr 7, 2020 at 11:21 AM Keerthy <j-keerthy@ti.com> wrote:
>
> The am654 SoC has three thermal zones namely MPU0, MPU1 and MCU
> zones.
>
> Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.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
>

Patch
diff mbox series

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";
+		};
+	};
+};