arm64: dts: ti: am654: Add thermal zones

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>
Signed-off-by: Tero Kristo <t-kristo@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
index 98b89cf0ccdf806978242d351a4720feec81c844..54a133fa1bf266e55664f7073a439d5c5c195858 100644 (file)
--- 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 (file)
index 0000000..cdc3d40
--- /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";
+               };
+       };
+};