Rafał Miłecki | ee7cdbe | 2017-04-03 17:48:28 +0200 | [diff] [blame] | 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 | }; |