diff options
| author | Matt Ranostay <mranostay@gmail.com> | 2016-09-25 07:03:00 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-09-27 22:33:03 +0300 |
| commit | 67e17300dc1d76091d2d513d6aa57e50af2c9648 (patch) | |
| tree | 1240267b7cb6059050d79bc15bca0395a2e2d7e0 /Documentation | |
| parent | 92f0afb5b2be2e137ff223654af51f521dd74c3a (diff) | |
| download | linux-67e17300dc1d76091d2d513d6aa57e50af2c9648.tar.xz | |
iio: potentiostat: add LMP91000 support
Add support for the LMP91000 potentiostat which is used for chemical
sensing applications.
Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/potentiostat/lmp91000.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/potentiostat/lmp91000.txt b/Documentation/devicetree/bindings/iio/potentiostat/lmp91000.txt new file mode 100644 index 000000000000..b9b621e94cd7 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiostat/lmp91000.txt @@ -0,0 +1,30 @@ +* Texas Instruments LMP91000 potentiostat + +http://www.ti.com/lit/ds/symlink/lmp91000.pdf + +Required properties: + + - compatible: should be "ti,lmp91000" + - reg: the I2C address of the device + - io-channels: the phandle of the iio provider + + - ti,external-tia-resistor: if the property ti,tia-gain-ohm is not defined this + needs to be set to signal that an external resistor value is being used. + +Optional properties: + + - ti,tia-gain-ohm: ohm value of the internal resistor for the transimpedance + amplifier. Must be 2750, 3500, 7000, 14000, 35000, 120000, or 350000 ohms. + + - ti,rload-ohm: ohm value of the internal resistor load applied to the gas + sensor. Must be 10, 33, 50, or 100 (default) ohms. + +Example: + +lmp91000@48 { + compatible = "ti,lmp91000"; + reg = <0x48>; + ti,tia-gain-ohm = <7500>; + ti,rload = <100>; + io-channels = <&adc>; +}; |