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dt-bindings: iio/temperature: Add thermocouple types (and doc) 

This patch introduces common thermocouple types used by various
temperature sensors. Also a brief documentation explaining this
"thermocouple-type" property.

Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Patrick Havelange 2019-03-26 12:18:40 +01:00 committed by Jonathan Cameron
parent 52f171abae
commit 023e41632e
2 changed files with 23 additions and 0 deletions
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7
Documentation/devicetree/bindings/iio/temperature/temperature-bindings.txt Normal file
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If the temperature sensor device can be configured to use some specific
thermocouple type, you can use the defined types provided in the file
"include/dt-bindings/iio/temperature/thermocouple.h".
Property:
thermocouple-type: A single cell representing the type of the thermocouple
used by the device.

16
include/dt-bindings/iio/temperature/thermocouple.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _DT_BINDINGS_TEMPERATURE_THERMOCOUPLE_H
#define _DT_BINDINGS_TEMPERATURE_THERMOCOUPLE_H
#define THERMOCOUPLE_TYPE_B 0x00
#define THERMOCOUPLE_TYPE_E 0x01
#define THERMOCOUPLE_TYPE_J 0x02
#define THERMOCOUPLE_TYPE_K 0x03
#define THERMOCOUPLE_TYPE_N 0x04
#define THERMOCOUPLE_TYPE_R 0x05
#define THERMOCOUPLE_TYPE_S 0x06
#define THERMOCOUPLE_TYPE_T 0x07
#endif /* _DT_BINDINGS_TEMPERATURE_THERMOCOUPLE_H */