| Message ID | 1539198063-29825-2-git-send-email-matthew.weber@rockwellcollins.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] iio:temperature: Add MAX31856 thermocouple support | expand |
On Thu, Oct 11, 2018 at 3:10 AM Matt Weber <matthew.weber@rockwellcollins.com> wrote: > > From: Paresh Chaudhary <paresh.chaudhary@rockwellcollins.com> > > This patch added device tree binding info for MAX31856 driver. > > Signed-off-by: Paresh Chaudhary <paresh.chaudhary@rockwellcollins.com> > Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com> > --- > .../bindings/iio/temperature/max31856.txt | 36 ++++++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/temperature/max31856.txt > > diff --git a/Documentation/devicetree/bindings/iio/temperature/max31856.txt b/Documentation/devicetree/bindings/iio/temperature/max31856.txt > new file mode 100644 > index 0000000..fb1dfca > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/temperature/max31856.txt > @@ -0,0 +1,36 @@ > +Maxim MAX31856 thermocouple support > + > +https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf > + > +Required properties: > + - compatible: must be "max31856" > + - reg: SPI chip select number for the device > + - spi-max-frequency: As per datasheet max. supported freq is 5000000 > + - spi-cpha: must be defined for max31856 to enable SPI mode 1 > + - type: Type of thermocouple (By default is K-Type) > + /* Remove the comment block, and just indent the possibilities accordingly. - Matt > + TYPE_B = 0x00 > + TYPE_E = 0x01 > + TYPE_J = 0x02 > + TYPE_K = 0x03 > + TYPE_N = 0x04 > + TYPE_R = 0x05 > + TYPE_S = 0x06 > + TYPE_T = 0x07 > + VMODE_G8 = 0x08 > + VMODE_G32 = 0x12 > + */ > + > + Refer to spi/spi-bus.txt for generic SPI slave bindings. > + > +Optional properties: > + - one-shot: Enable one-shot Conversion mode (By default mode is auto) > + > + Example: > + max31856@0 { > + compatible = "max31856"; > + reg = <0>; > + spi-max-frequency = <5000000>; > + spi-cpha; > + type = <0x03>; > + }; > diff --git a/MAINTAINERS b/MAINTAINERS > index dd9a83d..6482ae8 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -7161,6 +7161,7 @@ MAX31856 IIO DRIVER > M: Matthew Weber <matthew.weber@rockwellcollins.com> > S: Maintained > F: drivers/iio/temperature/max31856.c > +F: Documentation/devicetree/bindings/iio/temperature/max31856.txt > > IIO UNIT CONVERTER > M: Peter Rosin <peda@axentia.se> > -- > 1.9.1 >
diff --git a/Documentation/devicetree/bindings/iio/temperature/max31856.txt b/Documentation/devicetree/bindings/iio/temperature/max31856.txt new file mode 100644 index 0000000..fb1dfca --- /dev/null +++ b/Documentation/devicetree/bindings/iio/temperature/max31856.txt @@ -0,0 +1,36 @@ +Maxim MAX31856 thermocouple support + +https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf + +Required properties: + - compatible: must be "max31856" + - reg: SPI chip select number for the device + - spi-max-frequency: As per datasheet max. supported freq is 5000000 + - spi-cpha: must be defined for max31856 to enable SPI mode 1 + - type: Type of thermocouple (By default is K-Type) + /* + TYPE_B = 0x00 + TYPE_E = 0x01 + TYPE_J = 0x02 + TYPE_K = 0x03 + TYPE_N = 0x04 + TYPE_R = 0x05 + TYPE_S = 0x06 + TYPE_T = 0x07 + VMODE_G8 = 0x08 + VMODE_G32 = 0x12 + */ + + Refer to spi/spi-bus.txt for generic SPI slave bindings. + +Optional properties: + - one-shot: Enable one-shot Conversion mode (By default mode is auto) + + Example: + max31856@0 { + compatible = "max31856"; + reg = <0>; + spi-max-frequency = <5000000>; + spi-cpha; + type = <0x03>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index dd9a83d..6482ae8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7161,6 +7161,7 @@ MAX31856 IIO DRIVER M: Matthew Weber <matthew.weber@rockwellcollins.com> S: Maintained F: drivers/iio/temperature/max31856.c +F: Documentation/devicetree/bindings/iio/temperature/max31856.txt IIO UNIT CONVERTER M: Peter Rosin <peda@axentia.se>