On Sat, Oct 31, 2020 at 11:15 AM Jonathan Cameron <jic23@xxxxxxxxxx> wrote: > > From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > > There were a few parts of the example that did not conform to the > binding description and would not have worked with the Linux driver > as a result. Fixed them whilst doing this conversion. > > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > Cc: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> Acked-by: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> > --- > .../bindings/iio/potentiostat/lmp91000.txt | 33 --------- > .../iio/potentiostat/ti,lmp91000.yaml | 68 +++++++++++++++++++ > 2 files changed, 68 insertions(+), 33 deletions(-) > > diff --git a/Documentation/devicetree/bindings/iio/potentiostat/lmp91000.txt b/Documentation/devicetree/bindings/iio/potentiostat/lmp91000.txt > deleted file mode 100644 > index f3ab02b0dd41..000000000000 > --- a/Documentation/devicetree/bindings/iio/potentiostat/lmp91000.txt > +++ /dev/null > @@ -1,33 +0,0 @@ > -* Texas Instruments LMP91000 series of potentiostats > - > -LMP91000: https://www.ti.com/lit/ds/symlink/lmp91000.pdf > -LMP91002: https://www.ti.com/lit/ds/symlink/lmp91002.pdf > - > -Required properties: > - > - - compatible: should be one of the following: > - "ti,lmp91000" > - "ti,lmp91002" > - - 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>; > -}; > diff --git a/Documentation/devicetree/bindings/iio/potentiostat/ti,lmp91000.yaml b/Documentation/devicetree/bindings/iio/potentiostat/ti,lmp91000.yaml > new file mode 100644 > index 000000000000..e4b5d890e8d5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/potentiostat/ti,lmp91000.yaml > @@ -0,0 +1,68 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/potentiostat/ti,lmp91000.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Texas Instruments LMP91000 series of potentiostats with I2C control > + > +maintainers: > + - Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> > + > +description: | > + Typically used as a signal conditioner for chemical sensors. > + LMP91000: https://www.ti.com/lit/ds/symlink/lmp91000.pdf > + LMP91002: https://www.ti.com/lit/ds/symlink/lmp91002.pdf > + > +properties: > + compatible: > + enum: > + - ti,lmp91000 > + - ti,lmp91002 > + > + reg: > + maxItems: 1 > + > + io-channels: > + maxItems: 1 > + > + ti,external-tia-resistor: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + 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. > + > + ti,tia-gain-ohm: > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [2750, 3500, 7000, 14000, 35000, 120000, 350000] > + description: > + Internal resistor for the transimpedance amplifier. > + > + ti,rload-ohm: > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [10, 33, 50, 100] > + description: > + Internal resistor load applied to the gas sensor. > + Default 100 Ohms. > + > +required: > + - compatible > + - reg > + - io-channels > + > +additionalProperties: false > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + lmp91000@48 { > + compatible = "ti,lmp91000"; > + reg = <0x48>; > + ti,tia-gain-ohm = <7000>; > + ti,rload-ohm = <100>; > + io-channels = <&adc>; > + }; > + }; > +... > -- > 2.28.0 >
