[PATCH 2/2] ARM: dts: bcm283x: Add critical thermal zone for GPU

Stefan Wahren stefan.wahren at i2se.com
Sat Feb 4 06:16:27 PST 2017


As suggested by Eduardo Valentin this adds the thermal zone for
the bcm2835 SoC. Since we currently don't have any cooling devices
leave this section empty.

Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
---
 arch/arm/boot/dts/bcm283x.dtsi |   19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index 9c7ec7e..359da9d 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -19,6 +19,25 @@
 		bootargs = "earlyprintk console=ttyAMA0";
 	};
 
+	thermal-zones {
+		gpu_thermal: gpu-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&thermal>;
+
+			trips {
+				cpu-crit {
+					temperature	= <80000>;
+					hysteresis	= <0>;
+					type		= "critical";
+				};
+			};
+			cooling-maps {
+			};
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
1.7.9.5




More information about the linux-rpi-kernel mailing list