diff options
| author | Christian Lamparter <chunkeey@googlemail.com> | 2017-02-10 17:12:29 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2017-02-10 21:35:08 -0800 |
| commit | 87d08b11b1616cbc70c28c9d3601bd1a3642bae5 (patch) | |
| tree | 41788a697924d73ce3048f89960ba437deb8bb28 | |
| parent | e531ffc0ff796eca578367b1924b03103abdcca4 (diff) | |
| download | lwn-87d08b11b1616cbc70c28c9d3601bd1a3642bae5.tar.gz lwn-87d08b11b1616cbc70c28c9d3601bd1a3642bae5.zip | |
devicetree: add lm90 thermal_zone sensor support
This patch updates the LM90's devicetree definition to
include the #thermal-sensor-cells property as well as
the sensor constants in include/dt-bindings/thermal/lm90.h.
Cc: Wei Ni <wni@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/lm90.txt | 6 | ||||
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | include/dt-bindings/thermal/lm90.h | 12 |
3 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/lm90.txt b/Documentation/devicetree/bindings/hwmon/lm90.txt index e8632486b9ef..97581266e329 100644 --- a/Documentation/devicetree/bindings/hwmon/lm90.txt +++ b/Documentation/devicetree/bindings/hwmon/lm90.txt @@ -33,6 +33,11 @@ Optional properties: LM90 "-ALERT" pin output. See interrupt-controller/interrupts.txt for the format. +- #thermal-sensor-cells: should be set to 1. See thermal/thermal.txt for + details. See <include/dt-bindings/thermal/lm90.h> for the + definition of the local, remote and 2nd remote sensor index + constants. + Example LM90 node: temp-sensor { @@ -41,4 +46,5 @@ temp-sensor { vcc-supply = <&palmas_ldo6_reg>; interrupt-parent = <&gpio>; interrupts = <TEGRA_GPIO(O, 4) IRQ_TYPE_LEVEL_LOW>; + #thermal-sensor-cells = <1>; } diff --git a/MAINTAINERS b/MAINTAINERS index cfff2c9e3d94..ad5bfb441dec 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7527,6 +7527,7 @@ S: Maintained F: Documentation/hwmon/lm90 F: Documentation/devicetree/bindings/hwmon/lm90.txt F: drivers/hwmon/lm90.c +F: include/dt-bindings/thermal/lm90.h LM95234 HARDWARE MONITOR DRIVER M: Guenter Roeck <linux@roeck-us.net> diff --git a/include/dt-bindings/thermal/lm90.h b/include/dt-bindings/thermal/lm90.h new file mode 100644 index 000000000000..8c2e3095f704 --- /dev/null +++ b/include/dt-bindings/thermal/lm90.h @@ -0,0 +1,12 @@ +/* + * This header provides constants for the LM90 thermal bindings. + */ + +#ifndef _DT_BINDINGS_THERMAL_LM90_H_ +#define _DT_BINDINGS_THERMAL_LM90_H_ + +#define LM90_LOCAL_TEMPERATURE 0 +#define LM90_REMOTE_TEMPERATURE 1 +#define LM90_REMOTE2_TEMPERATURE 2 + +#endif |