diff options
Diffstat (limited to 'Documentation/devicetree/bindings/thermal/thermal-zones.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/thermal/thermal-zones.yaml | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml index 8581821fa4e1..0de0a9757ccc 100644 --- a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml +++ b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml @@ -8,7 +8,7 @@ $schema: http://devicetree.org/meta-schemas/base.yaml# title: Thermal zone maintainers: - - Amit Kucheria <amitk@kernel.org> + - Daniel Lezcano <daniel.lezcano@linaro.org> description: | Thermal management is achieved in devicetree by describing the sensor hardware @@ -49,7 +49,10 @@ properties: to take when the temperature crosses those thresholds. patternProperties: - "^[a-zA-Z][a-zA-Z0-9\\-]{1,12}-thermal$": + # Node name is limited in size due to Linux kernel requirements - 19 + # characters in total (see THERMAL_NAME_LENGTH, including terminating NUL + # byte): + "^[a-zA-Z][a-zA-Z0-9\\-]{1,10}-thermal$": type: object description: Each thermal zone node contains information about how frequently it @@ -75,6 +78,21 @@ patternProperties: framework and assumes that the thermal sensors in this zone support interrupts. + critical-action: + $ref: /schemas/types.yaml#/definitions/string + description: | + The action the OS should perform after the critical temperature is reached. + If the property is not set, it is up to the system to select the correct + action. The recommended and preferred default is shutdown. + Choose 'reboot' with care, as the hardware may be in thermal stress, + thus leading to infinite reboots that may cause damage to the hardware. + Make sure the firmware/bootloader will act as the last resort and take + over the thermal control. + + enum: + - shutdown + - reboot + thermal-sensors: $ref: /schemas/types.yaml#/definitions/phandle-array maxItems: 1 @@ -171,6 +189,7 @@ patternProperties: cooling-maps: type: object + additionalProperties: false description: This node describes the action to be taken when a thermal zone crosses one of the temperature thresholds described in the trips @@ -211,10 +230,7 @@ patternProperties: additionalProperties: false required: - - polling-delay - - polling-delay-passive - thermal-sensors - - trips additionalProperties: false |