| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/iio/adc/sigma-delta-modulator.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Sigma delta modulator |
| |
| maintainers: |
| - Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> |
| |
| properties: |
| compatible: |
| description: | |
| "sd-modulator" can be used as a generic SD modulator, |
| if the modulator is not specified in the compatible list. |
| enum: |
| - sd-modulator |
| - ads1201 |
| |
| '#io-backend-cells': |
| const: 0 |
| |
| '#io-channel-cells': |
| const: 0 |
| |
| vref-supply: |
| description: Phandle to the vref input analog reference voltage. |
| |
| dependencies: |
| vref-supply: [ '#io-backend-cells' ] |
| |
| required: |
| - compatible |
| |
| anyOf: |
| - required: ['#io-backend-cells'] |
| - required: ['#io-channel-cells'] |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| // Backend binding example. SD modulator configured as an IIO backend device |
| ads1201_0: adc { |
| compatible = "sd-modulator"; |
| vref-supply = <&vdd_adc>; |
| #io-backend-cells = <0>; |
| }; |
| |
| - | |
| // Legacy binding example. SD modulator configured as an IIO channel provider |
| ads1201_1: adc { |
| compatible = "sd-modulator"; |
| #io-channel-cells = <0>; |
| }; |
| |
| ... |
