linux-kernel - [PATCH v2 1/5] arm64: tegra: Add BPMP thermal sensor to Tegra186

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Date:   Mon, 24 Jul 2017 19:29:14 +0300
From:   Mikko Perttunen <mperttunen@...dia.com>
To:     rui.zhang@...el.com, edubezval@...il.com, thierry.reding@...il.com,
        jonathanh@...dia.com
Cc:     linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Mikko Perttunen <mperttunen@...dia.com>
Subject: [PATCH v2 1/5] arm64: tegra: Add BPMP thermal sensor to Tegra186

This adds the thermal sensor device provided by the BPMP, and the
relevant thermal sensors to the Tegra186 device tree.

Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
---
v2:
- added trips and cooling-maps nodes
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 103 +++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 0b0552c9f7dd..6adcf25e13d1 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -4,6 +4,7 @@
 #include <dt-bindings/mailbox/tegra186-hsp.h>
 #include <dt-bindings/power/tegra186-powergate.h>
 #include <dt-bindings/reset/tegra186-reset.h>
+#include <dt-bindings/thermal/tegra186-bpmp-thermal.h>
 
 / {
 	compatible = "nvidia,tegra186";
@@ -451,6 +452,108 @@
 			#size-cells = <0>;
 			status = "disabled";
 		};
+
+		bpmp_thermal: thermal {
+			compatible = "nvidia,tegra186-bpmp-thermal";
+			#thermal-sensor-cells = <1>;
+		};
+	};
+
+	thermal-zones {
+		a57 {
+			polling-delay = <0>;
+			polling-delay-passive = <1000>;
+
+			thermal-sensors =
+				<&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_CPU>;
+
+			trips {
+				critical {
+					temperature = <101000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+			};
+		};
+
+		denver {
+			polling-delay = <0>;
+			polling-delay-passive = <1000>;
+
+			thermal-sensors =
+				<&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_AUX>;
+
+			trips {
+				critical {
+					temperature = <101000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+			};
+		};
+
+		gpu {
+			polling-delay = <0>;
+			polling-delay-passive = <1000>;
+
+			thermal-sensors =
+				<&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_GPU>;
+
+			trips {
+				critical {
+					temperature = <101000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+			};
+		};
+
+		pll {
+			polling-delay = <0>;
+			polling-delay-passive = <1000>;
+
+			thermal-sensors =
+				<&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_PLLX>;
+
+			trips {
+				critical {
+					temperature = <101000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+			};
+		};
+
+		always_on {
+			polling-delay = <0>;
+			polling-delay-passive = <1000>;
+
+			thermal-sensors =
+				<&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_AO>;
+
+			trips {
+				critical {
+					temperature = <101000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+			};
+		};
 	};
 
 	timer {
-- 
2.13.3