diff options
Diffstat (limited to 'dts/Bindings/iio/adc/adi,ad7949.yaml')
| -rw-r--r-- | dts/Bindings/iio/adc/adi,ad7949.yaml | 56 |
1 files changed, 51 insertions, 5 deletions
diff --git a/dts/Bindings/iio/adc/adi,ad7949.yaml b/dts/Bindings/iio/adc/adi,ad7949.yaml index 9b56bd4d55..9ee4d977c5 100644 --- a/dts/Bindings/iio/adc/adi,ad7949.yaml +++ b/dts/Bindings/iio/adc/adi,ad7949.yaml @@ -26,21 +26,46 @@ properties: reg: maxItems: 1 + vrefin-supply: + description: + Buffered ADC reference voltage supply. + vref-supply: description: - ADC reference voltage supply + Unbuffered ADC reference voltage supply. + + adi,internal-ref-microvolt: + description: | + Internal reference voltage selection in microvolts. + + If no internal reference is specified, the channel will default to the + external reference defined by vrefin-supply (or vref-supply). + vrefin-supply will take precedence over vref-supply if both are defined. + + If no supplies are defined, the reference selection will default to + 4096mV internal reference. - spi-max-frequency: true + enum: [2500000, 4096000] + default: 4096000 - "#io-channel-cells": + + '#io-channel-cells': + const: 1 + + '#address-cells': const: 1 + '#size-cells': + const: 0 + required: - compatible - reg - - vref-supply -additionalProperties: false +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false examples: - | @@ -49,9 +74,30 @@ examples: #size-cells = <0>; adc@0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "adi,ad7949"; reg = <0>; vref-supply = <&vdd_supply>; }; + + adc@1 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "adi,ad7949"; + reg = <1>; + vrefin-supply = <&vdd_supply>; + }; + + adc@2 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "adi,ad7949"; + reg = <2>; + adi,internal-ref-microvolt = <4096000>; + }; }; ... |