From 65e4a0f33a5e125d90b1b69d56a9bbdd481e3fcf Mon Sep 17 00:00:00 2001
From: Hal Feng <hal.feng@starfivetech.com>
Date: Tue, 18 Jul 2023 11:49:35 +0800
Subject: [PATCH] riscv: dts: starfive: jh7100: Add temperature sensor node and
 thermal-zones

Add temperature sensor and thermal-zones support for
the StarFive JH7100 SoC.

Co-developed-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 arch/riscv/boot/dts/starfive/jh7100.dtsi | 37 ++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index 4218621ea3b92..35ab54fb235fa 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -80,6 +80,31 @@
 		};
 	};
 
+	thermal-zones {
+		cpu-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <15000>;
+
+			thermal-sensors = <&sfctemp>;
+
+			trips {
+				cpu_alert0 {
+					/* milliCelsius */
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit {
+					/* milliCelsius */
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	osc_sys: osc_sys {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
@@ -248,5 +273,17 @@
 			resets = <&rstgen JH7100_RSTN_WDTIMER_APB>,
 				 <&rstgen JH7100_RSTN_WDT>;
 		};
+
+		sfctemp: temperature-sensor@124a0000 {
+			compatible = "starfive,jh7100-temp";
+			reg = <0x0 0x124a0000 0x0 0x10000>;
+			clocks = <&clkgen JH7100_CLK_TEMP_SENSE>,
+				 <&clkgen JH7100_CLK_TEMP_APB>;
+			clock-names = "sense", "bus";
+			resets = <&rstgen JH7100_RSTN_TEMP_SENSE>,
+				 <&rstgen JH7100_RSTN_TEMP_APB>;
+			reset-names = "sense", "bus";
+			#thermal-sensor-cells = <0>;
+		};
 	};
 };
-- 
2.30.2