Add device-tree bindings documentation for the MAX1241 device driver. Signed-off-by: Alexandru Lazar <alazar@xxxxxxxxxxxxx> --- .../bindings/iio/adc/maxim,max1241.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml b/Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml new file mode 100644 index 000000000000..de41d422ce3b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright 2020 Ioan-Alexandru Lazar +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/maxim,max1241.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX1241 12-bit, single-channel analog to digital converter + +maintainers: + - Ioan-Alexandru Lazar <alazar@xxxxxxxxxxxxx> + +description: | + Bindings for the max1241 12-bit, single-channel ADC device. This + driver supports voltage reading and can optionally be configured for + power-down mode operation. The datasheet can be found at: + https://datasheets.maximintegrated.com/en/ds/MAX1240-MAX1241.pdf + +properties: + compatible: + enum: + - maxim,max1241 + + reg: + maxItems: 1 + + vref-supply: + description: + Device tree identifier of the regulator that provides the external + reference voltage. + maxItems: 1 + + shdn-gpios: + description: + GPIO spec for the GPIO pin connected to the ADC's /SHDN pin. If + specified, the /SHDN pin will be asserted between conversions, + thus enabling power-down mode. + maxItems: 1 + +required: + - compatible + - reg + - vref-supply + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + spi0 { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "maxim,max1241"; + reg = <0>; + vref-supply = <&vdd_3v3_reg>; + spi-max-frequency = <1000000>; + shdn-gpios = <&gpio 26 1>; + }; + }; + + -- 2.25.2
