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dt-bindings: thermal: al-thermal: Add binding documentation

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Add thermal binding documentation for Amazon's Annapurna Labs Thermal
Sensor.

Signed-off-by: Talel Shenhar <talel@amazon.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Talel Shenhar 2019-04-11 13:22:47 +03:00 committed by Eduardo Valentin
parent ed1b1ac142
commit c8044b918b
1 changed files with 33 additions and 0 deletions
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Documentation/devicetree/bindings/thermal/amazon,al-thermal.txt Normal file
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Amazon's Annapurna Labs Thermal Sensor
Simple thermal device that allows temperature reading by a single MMIO
transaction.
Required properties:
- compatible: "amazon,al-thermal".
- reg: The physical base address and length of the sensor's registers.
- #thermal-sensor-cells: Must be 1. See ./thermal.txt for a description.
Example:
thermal: thermal {
compatible = "amazon,al-thermal";
reg = <0x0 0x05002860 0x0 0x1>;
#thermal-sensor-cells = <0x1>;
};
thermal-zones {
thermal-z0 {
polling-delay-passive = <250>;
polling-delay = <1000>;
thermal-sensors = <&thermal 0>;
trips {
critical {
temperature = <105000>;
hysteresis = <2000>;
type = "critical";
};
};
};
};