The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/thermal/brcm,ns-thermal.txt

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    1 * Broadcom Northstar Thermal
    2 
    3 This binding describes thermal sensor that is part of Northstar's DMU (Device
    4 Management Unit).
    5 
    6 Required properties:
    7 - compatible : Must be "brcm,ns-thermal"
    8 - reg : iomem address range of PVTMON registers
    9 - #thermal-sensor-cells : Should be <0>
   10 
   11 Example:
   12 
   13 thermal: thermal@1800c2c0 {
   14         compatible = "brcm,ns-thermal";
   15         reg = <0x1800c2c0 0x10>;
   16         #thermal-sensor-cells = <0>;
   17 };
   18 
   19 thermal-zones {
   20         cpu_thermal: cpu-thermal {
   21                 polling-delay-passive = <0>;
   22                 polling-delay = <1000>;
   23                 coefficients = <(-556) 418000>;
   24                 thermal-sensors = <&thermal>;
   25 
   26                 trips {
   27                         cpu-crit {
   28                                 temperature     = <125000>;
   29                                 hysteresis      = <0>;
   30                                 type            = "critical";
   31                         };
   32                 };
   33 
   34                 cooling-maps {
   35                 };
   36         };
   37 };

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