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> --- .../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
