linux-kernel - [PATCH v2 4/7] arm64: dts: freescale: imx95: add anamix temperature thermal zone and cooling node

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Message-Id: <20240903-imx95-dts-new-v2-4-8ed795d61358@nxp.com>
Date: Tue, 03 Sep 2024 15:17:49 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Peng Fan <peng.fan@....com>
Subject: [PATCH v2 4/7] arm64: dts: freescale: imx95: add anamix
 temperature thermal zone and cooling node

From: Peng Fan <peng.fan@....com>

i.MX95 has two on-chip temperature sensors, one is inside anamix block.
This is to add the anamix temperature thermal zone and its cooling
device.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/boot/dts/freescale/imx95.dtsi | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index 2cba7a889030..d031b9548aaf 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -372,6 +372,38 @@ map0 {
 				};
 			};
 		};
+
+		ana-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&scmi_sensor 0>;
+			trips {
+				ana_alert: trip0 {
+					temperature = <105000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				ana_crit0: trip1 {
+					temperature = <125000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&ana_alert>;
+					cooling-device =
+						<&A55_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A55_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A55_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A55_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A55_4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A55_5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
 	};
 
 	psci {

-- 
2.37.1