linux-kernel - [PATCH v1 4/4] riscv: dts: starfive: visionfive-2: Add thermal-zones

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Message-ID: <20230103013145.9570-5-hal.feng@starfivetech.com>
Date:   Tue, 3 Jan 2023 09:31:45 +0800
From:   Hal Feng <hal.feng@...rfivetech.com>
To:     <linux-hwmon@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <devicetree@...r.kernel.org>
CC:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Jonathan Corbet <corbet@....net>,
        Conor Dooley <conor@...nel.org>,
        "Paul Walmsley" <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Hal Feng <hal.feng@...rfivetech.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v1 4/4] riscv: dts: starfive: visionfive-2: Add thermal-zones

From: Emil Renner Berthing <kernel@...il.dk>

Add thermal-zones for StarFive VisionFive 2 board.

Signed-off-by: Emil Renner Berthing <kernel@...il.dk>
Signed-off-by: Hal Feng <hal.feng@...rfivetech.com>
---
 .../jh7110-starfive-visionfive-2.dtsi         | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index c60280b89c73..c7c7735f021d 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -27,6 +27,34 @@ memory@...00000 {
 		reg = <0x0 0x40000000 0x1 0x0>;
 	};
 
+	thermal-zones {
+		cpu-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <15000>;
+
+			thermal-sensors = <&sfctemp>;
+
+			cooling-maps {
+			};
+
+			trips {
+				cpu_alert0: cpu_alert0 {
+					/* milliCelsius */
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit: cpu_crit {
+					/* milliCelsius */
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	gpio-restart {
 		compatible = "gpio-restart";
 		gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
-- 
2.38.1