[PATCH] arm64: dts: rockchip: enable built-in thermal monitoring on rk3588

From: Alexey Charkov <alchark@gmail.com>
To: "Rob Herring" <robh+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Heiko Stuebner" <heiko@sntech.de>,
	"Sebastian Reichel" <sebastian.reichel@collabora.com>,
	"Cristian Ciocaltea" <cristian.ciocaltea@collabora.com>,
	"Christopher Obbard" <chris.obbard@collabora.com>,
	"Tamás Szűcs" <szucst@iit.uni-miskolc.hu>,
	"Shreeya Patel" <shreeya.patel@collabora.com>,
	"Kever Yang" <kever.yang@rock-chips.com>,
	"Chris Morgan" <macromorgan@hotmail.com>,
	"Alexey Charkov" <alchark@gmail.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH] arm64: dts: rockchip: enable built-in thermal monitoring on rk3588
Date: Sun,  7 Jan 2024 02:23:42 +0400	[thread overview]
Message-ID: <20240106222357.23835-1-alchark@gmail.com> (raw)

Include thermal zones information in device tree for rk3588 variants
and enable the built-in thermal sensing ADC on RADXA Rock 5B

Signed-off-by: Alexey Charkov <alchark@gmail.com>
---
 .../boot/dts/rockchip/rk3588-rock-5b.dts      |   4 +
 arch/arm64/boot/dts/rockchip/rk3588s.dtsi     | 143 ++++++++++++++++++
 2 files changed, 147 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index a5a104131403..f9d540000de3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -772,3 +772,7 @@ &usb_host1_ehci {
 &usb_host1_ohci {
 	status = "okay";
 };
+
+&tsadc {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
index 8aa0499f9b03..8235991e3112 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
@@ -10,6 +10,7 @@
 #include <dt-bindings/reset/rockchip,rk3588-cru.h>
 #include <dt-bindings/phy/phy.h>
 #include <dt-bindings/ata/ahci.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	compatible = "rockchip,rk3588";
@@ -2112,6 +2113,148 @@ tsadc: tsadc@fec00000 {
 		status = "disabled";
 	};
 
+	thermal_zones: thermal-zones {
+		soc_thermal: soc-thermal {
+			polling-delay-passive = <20>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+			sustainable-power = <2100>; /* milliwatts */
+
+			thermal-sensors = <&tsadc 0>;
+			trips {
+				threshold: trip-point-0 {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				target: trip-point-1 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				soc_crit: soc-crit {
+					/* millicelsius */
+					temperature = <115000>;
+					/* millicelsius */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+			cooling-maps {
+				map0 {
+					trip = <&target>;
+					cooling-device = <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					contribution = <1024>;
+				};
+				map1 {
+					trip = <&target>;
+					cooling-device = <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					contribution = <1024>;
+				};
+				map2 {
+					trip = <&target>;
+					cooling-device = <&cpu_b2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					contribution = <1024>;
+				};
+			};
+		};
+
+		bigcore0_thermal: bigcore0-thermal {
+			polling-delay-passive = <20>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+			thermal-sensors = <&tsadc 1>;
+
+			trips {
+				big0_crit: big0-crit {
+					/* millicelsius */
+					temperature = <115000>;
+					/* millicelsius */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+
+		bigcore1_thermal: bigcore1-thermal {
+			polling-delay-passive = <20>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+			thermal-sensors = <&tsadc 2>;
+
+			trips {
+				big1_crit: big1-crit {
+					/* millicelsius */
+					temperature = <115000>;
+					/* millicelsius */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+
+		little_core_thermal: littlecore-thermal {
+			polling-delay-passive = <20>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+			thermal-sensors = <&tsadc 3>;
+
+			trips {
+				little_crit: little-crit {
+					/* millicelsius */
+					temperature = <115000>;
+					/* millicelsius */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+
+		center_thermal: center-thermal {
+			polling-delay-passive = <20>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+			thermal-sensors = <&tsadc 4>;
+
+			trips {
+				center_crit: center-crit {
+					/* millicelsius */
+					temperature = <115000>;
+					/* millicelsius */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+
+		gpu_thermal: gpu-thermal {
+			polling-delay-passive = <20>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+			thermal-sensors = <&tsadc 5>;
+
+			trips {
+				gpu_crit: gpu-crit {
+					/* millicelsius */
+					temperature = <115000>;
+					/* millicelsius */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+
+		npu_thermal: npu-thermal {
+			polling-delay-passive = <20>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+			thermal-sensors = <&tsadc 6>;
+
+			trips {
+				npu_crit: npu-crit {
+					/* millicelsius */
+					temperature = <115000>;
+					/* millicelsius */
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	saradc: adc@fec10000 {
 		compatible = "rockchip,rk3588-saradc";
 		reg = <0x0 0xfec10000 0x0 0x10000>;
-- 
2.43.0


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