Message ID | 20171211092002.8687-1-cmo@melexis.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Am 11.12.2017 um 10:20 schrieb Crt Mori: > Add device tree bindings for MLX90632 IR temperature sensor. > > Signed-off-by: Crt Mori <cmo@melexis.com> > Reviewed-by: Rob Herring <robh@kernel.org> > --- > .../bindings/iio/temperature/mlx90632.txt | 28 ++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/temperature/mlx90632.txt > > diff --git a/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt b/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt > new file mode 100644 > index 000000000000..0b05812001f8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt [...] > +Example: > + > +mlx90632@3a { Shouldn't the node name be more general like temperature@3a? > + compatible = "melexis,mlx90632"; > + reg = <0x3a>; > +}; Also generally the dt-bindings patch should go before the first use of the compatible string. Regards, Andreas
On 12 December 2017 at 18:45, Andreas Färber <afaerber@suse.de> wrote: > Am 11.12.2017 um 10:20 schrieb Crt Mori: >> Add device tree bindings for MLX90632 IR temperature sensor. >> >> Signed-off-by: Crt Mori <cmo@melexis.com> >> Reviewed-by: Rob Herring <robh@kernel.org> >> --- >> .../bindings/iio/temperature/mlx90632.txt | 28 ++++++++++++++++++++++ >> 1 file changed, 28 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/iio/temperature/mlx90632.txt >> >> diff --git a/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt b/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt >> new file mode 100644 >> index 000000000000..0b05812001f8 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt > [...] >> +Example: >> + >> +mlx90632@3a { > > Shouldn't the node name be more general like temperature@3a? > None of the current temperature drivers have that, but it would be nice for portability. I can prepare a patch to fix them all (a quick check confirmed it is not consistent in pressure and light as well) >> + compatible = "melexis,mlx90632"; >> + reg = <0x3a>; >> +}; > > Also generally the dt-bindings patch should go before the first use of > the compatible string. > OK, will keep in mind in case of v5 to reorder the commits once again. Best regards, Crt > Regards, > Andreas > > -- > SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany > GF: Felix Imendörffer, Jane Smithard, Graham Norton > HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt b/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt new file mode 100644 index 000000000000..0b05812001f8 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/mlx90632.txt @@ -0,0 +1,28 @@ +* Melexis MLX90632 contactless Infra Red temperature sensor + +Link to datasheet: https://www.melexis.com/en/documents/documentation/datasheets/datasheet-mlx90632 + +There are various applications for the Infra Red contactless temperature sensor +and MLX90632 is most suitable for consumer applications where measured object +temperature is in range between -20 to 200 degrees Celsius with relative error +of measurement below 1 degree Celsius in object temperature range for +industrial applications. Since it can operate and measure ambient temperature +in range of -20 to 85 degrees Celsius it is suitable also for outdoor use. + +Be aware that electronics surrounding the sensor can increase ambient +temperature. MLX90632 can be calibrated to reduce the housing effect via +already existing EEPROM parameters. + +Since measured object emissivity effects Infra Red energy emitted, emissivity +should be set before requesting the object temperature. + +Required properties: + - compatible: should be "melexis,mlx90632" + - reg: the I2C address of the sensor (default 0x3a) + +Example: + +mlx90632@3a { + compatible = "melexis,mlx90632"; + reg = <0x3a>; +};