From 023e41632e065d49bcbe31b3c4b336217f96a271 Mon Sep 17 00:00:00 2001 From: Patrick Havelange Date: Tue, 26 Mar 2019 12:18:40 +0100 Subject: [PATCH] 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 Signed-off-by: Jonathan Cameron --- .../iio/temperature/temperature-bindings.txt | 7 +++++++ .../dt-bindings/iio/temperature/thermocouple.h | 16 ++++++++++++++++ 2 files changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/temperature/temperature-bindings.txt create mode 100644 include/dt-bindings/iio/temperature/thermocouple.h diff --git a/Documentation/devicetree/bindings/iio/temperature/temperature-bindings.txt b/Documentation/devicetree/bindings/iio/temperature/temperature-bindings.txt new file mode 100644 index 000000000000..8f339cab74ae --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/temperature-bindings.txt @@ -0,0 +1,7 @@ +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. diff --git a/include/dt-bindings/iio/temperature/thermocouple.h b/include/dt-bindings/iio/temperature/thermocouple.h new file mode 100644 index 000000000000..ce037f5238ac --- /dev/null +++ b/include/dt-bindings/iio/temperature/thermocouple.h @@ -0,0 +1,16 @@ +/* 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 */