From: Keerthy <j-keerthy@xxxxxx>
VTM stands for Voltage Thermal Management. Add the thermal zones.
Seven sensors mapping to seven thermal zones. Main0, Main1, Main2, Main3,
Main4, WKUP1 & WKUP2 domains respectively.
Signed-off-by: Keerthy <j-keerthy@xxxxxx>
[bb@xxxxxx: rebased on v6.3-rc1]
Signed-off-by: Bryan Brattlof <bb@xxxxxx>
---
.../boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi | 9 ++
arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi | 101 ++++++++++++++++++
arch/arm64/boot/dts/ti/k3-j784s4.dtsi | 4 +
3 files changed, 114 insertions(+)
create mode 100644 arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
index f04fcb614cbe4..62dd520601bbf 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
@@ -342,4 +342,13 @@ cpts@3d000 {
ti,cpts-periodic-outputs = <2>;
};
};
+
+ wkup_vtm0: temperature-sensor@42040000 {
+ compatible = "ti,j7200-vtm";
+ reg = <0x0 0x42040000 0x0 0x350>,
+ <0x0 0x42050000 0x0 0x350>,
+ <0x0 0x43000300 0x0 0x10>;
+ power-domains = <&k3_pds 154 TI_SCI_PD_SHARED>;
+ #thermal-sensor-cells = <1>;
+ };
};
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi
new file mode 100644
index 0000000000000..f7b1a15b8fa0a
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-thermal.dtsi
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/thermal/thermal.h>
+
+wkup0_thermal: wkup0-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 0>;
+
+ trips {
+ wkup0_crit: wkup0-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+};
+
+wkup1_thermal: wkup1-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 1>;
+
+ trips {
+ wkup1_crit: wkup1-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+};
+
+main0_thermal: main0-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 2>;
+
+ trips {
+ main0_crit: main0-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+};
+
+main1_thermal: main1-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 3>;
+
+ trips {
+ main1_crit: main1-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+};
+
+main2_thermal: main2-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 4>;
+
+ trips {
+ main2_crit: main2-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+};
+
+main3_thermal: main3-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 5>;
+
+ trips {
+ main3_crit: main3-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+};
+
+main4_thermal: main4-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 6>;
+
+ trips {
+ main4_crit: main4-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
index 2e03d84da7d2e..cd403c3d2be88 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
@@ -281,6 +281,10 @@ cbass_mcu_wakeup: bus@28380000 {
<0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/
};
};
+
+ thermal_zones: thermal-zones {
+ #include "k3-j784s4-thermal.dtsi"
+ };
};
/* Now include peripherals from each bus segment */
--
2.40.0
