linux-kernel - [PATCH 8/8] arm64: dts: juno: Add Thermal critical trip points

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Message-Id: <20221028140833.280091-8-cristian.marussi@arm.com>
Date:   Fri, 28 Oct 2022 15:08:33 +0100
From:   Cristian Marussi <cristian.marussi@....com>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     sudeep.holla@....com, cristian.marussi@....com,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org
Subject: [PATCH 8/8] arm64: dts: juno: Add Thermal critical trip points

When thernal zones are defined, trip points definitions are mandatory.
Define a couple of critical trip points for monitoring of existing
PMIC and SOC thermale zones.

Cc: Rob Herring <robh+dt@...nel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: devicetree@...r.kernel.org
Signed-off-by: Cristian Marussi <cristian.marussi@....com>
----
Not sure if we want to add a:

Fixes: f7b636a8d83c ("arm64: dts: juno: add thermal zones for scpi sensors")
---
 arch/arm64/boot/dts/arm/juno-base.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 2f27619d8abd..8b4d280b1e7e 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -751,12 +751,26 @@ pmic {
 			polling-delay = <1000>;
 			polling-delay-passive = <100>;
 			thermal-sensors = <&scpi_sensors0 0>;
+			trips {
+				pmic_crit0: trip0 {
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
 		};
 
 		soc {
 			polling-delay = <1000>;
 			polling-delay-passive = <100>;
 			thermal-sensors = <&scpi_sensors0 3>;
+			trips {
+				soc_crit0: trip0 {
+					temperature = <80000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
 		};
 
 		big_cluster_thermal_zone: big-cluster {
-- 
2.34.1