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authorBryan Brattlof <bb@ti.com>2023-04-05 16:53:23 -0500
committerVignesh Raghavendra <vigneshr@ti.com>2023-06-14 21:41:32 +0530
commitbbb6dc62505acf6fcb80573f7e7a59875c33be0d (patch)
tree91cb0eb4252fd0212b26b3f9b7c77cfdacd98338 /arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi
parent96135297a76003faae68e3aa86e2e19851510eb9 (diff)
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arm64: dts: ti: k3-am62-wakeup: add VTM node
The am62x supports a single Voltage and Thermal Management (VTM) module located in the wakeup domain with two associated temperature monitors located in hot spots of the die. Signed-off-by: Bryan Brattlof <bb@ti.com> Link: https://lore.kernel.org/r/20230405215328.3755561-3-bb@ti.com Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi')
-rw-r--r--arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi
new file mode 100644
index 000000000000..a358757e26f0
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/thermal/thermal.h>
+
+thermal_zones: thermal-zones {
+ main0_thermal: main0-thermal {
+ polling-delay-passive = <250>; /* milliSeconds */
+ polling-delay = <500>; /* milliSeconds */
+ thermal-sensors = <&wkup_vtm0 0>;
+
+ trips {
+ main0_crit: main0-crit {
+ temperature = <105000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+
+ main1_thermal: main1-thermal {
+ polling-delay-passive = <250>; /* milliSeconds */
+ polling-delay = <500>; /* milliSeconds */
+ thermal-sensors = <&wkup_vtm0 1>;
+
+ trips {
+ main1_crit: main1-crit {
+ temperature = <105000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+};