ARM: dts: tango4: Initial thermal support

Define the CPU temperature sensor, and critical trip point.

Commit 799d71da471c ("add temperature sensor support for tango SoC")
added the device driver.

Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 23 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/tango4-smp8758.dtsi b/arch/arm/boot/dts/tango4-smp8758.dtsi
index 7ed88ee629fb..01d5f8f1c71d 100644
--- a/arch/arm/boot/dts/tango4-smp8758.dtsi
+++ b/arch/arm/boot/dts/tango4-smp8758.dtsi
@@ -28,4 +28,27 @@
                         <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
                         <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
         };
+
+        soc {
+                cpu_temp: thermal@920100 {
+                        #thermal-sensor-cells = <0>;
+                        compatible = "sigma,smp8758-thermal";
+                        reg = <0x920100 12>;
+                };
+        };
+
+        thermal-zones {
+                cpu_thermal: cpu-thermal {
+                        polling-delay = <997>;          /* milliseconds */
+                        polling-delay-passive = <499>;  /* milliseconds */
+                        thermal-sensors = <&cpu_temp>;
+                        trips {
+                                cpu_critical {
+                                        temperature = <120000>;
+                                        hysteresis = <2500>;
+                                        type = "critical";
+                                };
+                        };
+                };
+        };
 };