@@ -395,4 +395,12 @@ rng: rng@40910000 {
status = "disabled"; /* Used by OP-TEE */
};
};
+
+ vtm0: temperature-sensor@42040000 {
+ compatible = "ti,j7200-vtm";
+ reg = <0x00 0x42040000 0x00 0x350>,
+ <0x00 0x42050000 0x00 0x350>;
+ power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;
+ #thermal-sensor-cells = <1>;
+ };
};
new file mode 100644
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/thermal/thermal.h>
+
+thermal_zones: thermal-zones {
+ mcu_thermal: mcu-thermal {
+ polling-delay-passive = <250>; /* milliSeconds */
+ polling-delay = <500>; /* milliSeconds */
+ thermal-sensors = <&vtm0 0>;
+
+ trips {
+ wkup_crit: wkup-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+
+ mpu_thermal: mpu-thermal {
+ polling-delay-passive = <250>; /* milliSeconds */
+ polling-delay = <500>; /* milliSeconds */
+ thermal-sensors = <&vtm0 1>;
+
+ trips {
+ mpu_crit: mpu-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+
+ main_thermal: main-thermal {
+ polling-delay-passive = <250>; /* milliSeconds */
+ polling-delay = <500>; /* milliSeconds */
+ thermal-sensors = <&vtm0 2>;
+
+ trips {
+ c7x_crit: c7x-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+};
@@ -168,6 +168,9 @@ cbass_mcu_wakeup: bus@28380000 {
<0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3 */
};
};
+
+ #include "k3-j7200-thermal.dtsi"
+
};
/* Now include the peripherals for each bus segments */
The j7200 supports a single Voltage and Thermal Management (VTM) device located in the wakeup domain with three associated temperature monitors located in various hot spots on the die. Signed-off-by: Bryan Brattlof <bb@ti.com> --- .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 8 ++++ arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi | 47 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-j7200.dtsi | 3 ++ 3 files changed, 58 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi