linux-kernel - [PATCH v8 3/4] riscv: dts: sophgo: Add mcu device for Milk-V Pioneer

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Message-ID:
 <IA1PR20MB4953826DECDCC141A7CDE634BBB02@IA1PR20MB4953.namprd20.prod.outlook.com>
Date: Tue, 30 Jul 2024 15:50:39 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...look.com>,
	Jonathan Corbet <corbet@....net>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Guo Ren <guoren@...nel.org>,
	Chao Wei <chao.wei@...hgo.com>,
	Hal Feng <hal.feng@...rfivetech.com>,
	Jinyu Tang <tangjinyu@...ylab.org>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc: linux-hwmon@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Subject: [PATCH v8 3/4] riscv: dts: sophgo: Add mcu device for Milk-V Pioneer

Add mcu device and thermal zones node for Milk-V Pioneer.

Signed-off-by: Inochi Amaoto <inochiama@...look.com>
---
 .../boot/dts/sophgo/sg2042-milkv-pioneer.dts  | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
index 80cb017974d8..8b8fdf6243d4 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
@@ -26,6 +26,66 @@ &cgi_dpll1 {
 	clock-frequency = <25000000>;
 };

+&i2c1 {
+	status = "okay";
+
+	mcu: syscon@17 {
+		compatible = "sophgo,sg2042-hwmon-mcu";
+		reg = <0x17>;
+		#thermal-sensor-cells = <1>;
+	};
+};
+
 &uart0 {
 	status = "okay";
 };
+
+/ {
+	thermal-zones {
+		soc-thermal {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+			thermal-sensors = <&mcu 0>;
+
+			trips {
+				soc_active1: soc-active1 {
+					temperature = <30000>;
+					hysteresis = <8000>;
+					type = "active";
+				};
+
+				soc_active2: soc-active2 {
+					temperature = <58000>;
+					hysteresis = <12000>;
+					type = "active";
+				};
+
+				soc_active3: soc-active3 {
+					temperature = <70000>;
+					hysteresis = <10000>;
+					type = "active";
+				};
+
+				soc_hot: soc-hot {
+					temperature = <85000>;
+					hysteresis = <5000>;
+					type = "hot";
+				};
+			};
+		};
+
+		board-thermal {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+			thermal-sensors = <&mcu 1>;
+
+			trips {
+				board_active: board-active {
+					temperature = <75000>;
+					hysteresis = <8000>;
+					type = "active";
+				};
+			};
+		};
+	};
+};
--
2.45.2