ARM: dts: stm32: Add thermal support for STM32MP131

Add thermal zone configuration and sensor node for STM32MP131 SoC.

Signed-off-by: Roan van Dijk <roan@protonic.nl>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20250203085820.609176-4-o.rempel@pengutronix.de
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index 0019d12c3d3ddc0f039f39861b3a0a93eafbac91..8512a6e46b330ae07ceb8c454805f0e50dc4502c 100644 (file)
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -100,6 +100,31 @@
                always-on;
        };
 
+       thermal-zones {
+               cpu_thermal: cpu-thermal {
+                       polling-delay-passive = <0>;
+                       polling-delay = <0>;
+                       thermal-sensors = <&dts>;
+
+                       trips {
+                               cpu_alert1: cpu-alert1 {
+                                       temperature = <85000>;
+                                       hysteresis = <0>;
+                                       type = "passive";
+                               };
+
+                               cpu-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <0>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                       };
+               };
+       };
+
        soc {
                compatible = "simple-bus";
                #address-cells = <1>;
@@ -919,6 +944,16 @@
                        };
                };
 
+               dts: thermal@50028000 {
+                       compatible = "st,stm32-thermal";
+                       reg = <0x50028000 0x100>;
+                       interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&rcc DTS>;
+                       clock-names = "pclk";
+                       #thermal-sensor-cells = <0>;
+                       status = "disabled";
+               };
+
                mdma: dma-controller@58000000 {
                        compatible = "st,stm32h7-mdma";
                        reg = <0x58000000 0x1000>;