| Marcelo Schmitt | dd587a7 | 2019-11-16 17:50:29 -0300 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| Marcelo Schmitt | d898f9a | 2019-11-08 10:56:09 -0300 | [diff] [blame] | 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/iio/adc/adi,ad7292.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Analog Devices AD7292 10-Bit Monitor and Control System |
| 8 | |
| 9 | maintainers: |
| 10 | - Marcelo Schmitt <marcelo.schmitt1@gmail.com> |
| 11 | |
| 12 | description: | |
| 13 | Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs, |
| 14 | Temperature Sensor, and GPIOs |
| 15 | |
| 16 | Specifications about the part can be found at: |
| 17 | https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - adi,ad7292 |
| 23 | |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | vref-supply: |
| 28 | description: | |
| 29 | The regulator supply for ADC and DAC reference voltage. |
| 30 | |
| 31 | spi-cpha: true |
| 32 | |
| 33 | '#address-cells': |
| 34 | const: 1 |
| 35 | |
| 36 | '#size-cells': |
| 37 | const: 0 |
| 38 | |
| 39 | required: |
| 40 | - compatible |
| 41 | - reg |
| 42 | - spi-cpha |
| 43 | |
| 44 | patternProperties: |
| 45 | "^channel@[0-7]$": |
| 46 | type: object |
| 47 | description: | |
| 48 | Represents the external channels which are connected to the ADC. |
| 49 | See Documentation/devicetree/bindings/iio/adc/adc.txt. |
| 50 | |
| 51 | properties: |
| 52 | reg: |
| 53 | description: | |
| 54 | The channel number. It can have up to 8 channels numbered from 0 to 7. |
| 55 | items: |
| Marcelo Schmitt | ada971c | 2019-11-16 17:51:13 -0300 | [diff] [blame] | 56 | - minimum: 0 |
| 57 | maximum: 7 |
| Marcelo Schmitt | d898f9a | 2019-11-08 10:56:09 -0300 | [diff] [blame] | 58 | |
| 59 | diff-channels: |
| 60 | description: see Documentation/devicetree/bindings/iio/adc/adc.txt |
| 61 | maxItems: 1 |
| 62 | |
| 63 | required: |
| 64 | - reg |
| 65 | |
| 66 | examples: |
| 67 | - | |
| 68 | spi { |
| 69 | #address-cells = <1>; |
| 70 | #size-cells = <0>; |
| 71 | |
| 72 | ad7292: adc@0 { |
| 73 | compatible = "adi,ad7292"; |
| 74 | reg = <0>; |
| 75 | spi-max-frequency = <25000000>; |
| 76 | vref-supply = <&adc_vref>; |
| 77 | spi-cpha; |
| 78 | |
| 79 | #address-cells = <1>; |
| 80 | #size-cells = <0>; |
| 81 | |
| 82 | channel@0 { |
| 83 | reg = <0>; |
| 84 | diff-channels = <0 1>; |
| 85 | }; |
| 86 | channel@2 { |
| 87 | reg = <2>; |
| 88 | }; |
| 89 | channel@3 { |
| 90 | reg = <3>; |
| 91 | }; |
| 92 | channel@4 { |
| 93 | reg = <4>; |
| 94 | }; |
| 95 | channel@5 { |
| 96 | reg = <5>; |
| 97 | }; |
| 98 | channel@6 { |
| 99 | reg = <6>; |
| 100 | }; |
| 101 | channel@7 { |
| 102 | reg = <7>; |
| 103 | }; |
| 104 | }; |
| 105 | }; |