linux-kernel - [PATCH v1 4/5] arm: dts: stm32: Add thermal support for STM32MP131

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Message-Id: <20241205125640.1253996-5-o.rempel@pengutronix.de>
Date: Thu,  5 Dec 2024 13:56:39 +0100
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	Andrew Lunn <andrew+netdev@...n.ch>
Cc: Roan van Dijk <roan@...tonic.nl>,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com
Subject: [PATCH v1 4/5] arm: dts: stm32: Add thermal support for STM32MP131

From: Roan van Dijk <roan@...tonic.nl>

Add thermal zone configuration and sensor node for STM32MP131 SoC.

Signed-off-by: Roan van Dijk <roan@...tonic.nl>
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 arch/arm/boot/dts/st/stm32mp131.dtsi | 35 ++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index e1a764d269d2..56660e67a2a2 100644
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -100,6 +100,31 @@ timer {
 		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>;
@@ -909,6 +934,16 @@ timer {
 			};
 		};
 
+		dts: thermal@...28000 {
+			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@...00000 {
 			compatible = "st,stm32h7-mdma";
 			reg = <0x58000000 0x1000>;
-- 
2.39.5