| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/iio/adc/ti,ads7924.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: TI ADS7924 4 channels 12 bits I2C analog to digital converter |
| 8 | |
| 9 | maintainers: |
| 10 | - Hugo Villeneuve <hvilleneuve@dimonoff.com> |
| 11 | |
| 12 | description: | |
| 13 | Texas Instruments ADS7924 4 channels 12 bits I2C analog to digital converter |
| 14 | |
| 15 | Specifications: |
| 16 | https://www.ti.com/lit/gpn/ads7924 |
| 17 | |
| 18 | properties: |
| 19 | compatible: |
| 20 | const: ti,ads7924 |
| 21 | |
| 22 | reg: |
| 23 | maxItems: 1 |
| 24 | |
| 25 | vref-supply: |
| 26 | description: |
| 27 | The regulator supply for the ADC reference voltage (AVDD) |
| 28 | |
| 29 | reset-gpios: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | interrupts: |
| 33 | maxItems: 1 |
| 34 | |
| 35 | "#address-cells": |
| 36 | const: 1 |
| 37 | |
| 38 | "#size-cells": |
| 39 | const: 0 |
| 40 | |
| 41 | "#io-channel-cells": |
| 42 | const: 1 |
| 43 | |
| 44 | patternProperties: |
| 45 | "^channel@[0-3]+$": |
| 46 | $ref: adc.yaml |
| 47 | |
| 48 | description: | |
| 49 | Represents the external channels which are connected to the ADC. |
| 50 | |
| 51 | properties: |
| 52 | reg: |
| 53 | description: | |
| 54 | The channel number. It can have up to 4 channels numbered from 0 to 3. |
| 55 | items: |
| 56 | - minimum: 0 |
| 57 | maximum: 3 |
| 58 | |
| 59 | label: true |
| 60 | |
| 61 | required: |
| 62 | - reg |
| 63 | |
| 64 | additionalProperties: false |
| 65 | |
| 66 | additionalProperties: false |
| 67 | |
| 68 | required: |
| 69 | - compatible |
| 70 | - reg |
| 71 | - vref-supply |
| 72 | - "#address-cells" |
| 73 | - "#size-cells" |
| 74 | |
| 75 | examples: |
| 76 | - | |
| 77 | #include <dt-bindings/interrupt-controller/irq.h> |
| 78 | #include <dt-bindings/gpio/gpio.h> |
| 79 | i2c { |
| 80 | #address-cells = <1>; |
| 81 | #size-cells = <0>; |
| 82 | |
| 83 | adc@48 { |
| 84 | compatible = "ti,ads7924"; |
| 85 | reg = <0x48>; |
| 86 | vref-supply = <&ads7924_reg>; |
| 87 | reset-gpios = <&gpio 5 GPIO_ACTIVE_LOW>; |
| 88 | interrupts = <25 IRQ_TYPE_EDGE_FALLING>; |
| 89 | interrupt-parent = <&gpio>; |
| 90 | #address-cells = <1>; |
| 91 | #size-cells = <0>; |
| 92 | channel@0 { |
| 93 | reg = <0>; |
| 94 | label = "CH0"; |
| 95 | }; |
| 96 | channel@1 { |
| 97 | reg = <1>; |
| 98 | label = "CH1"; |
| 99 | }; |
| 100 | channel@2 { |
| 101 | reg = <2>; |
| 102 | label = "CH2"; |
| 103 | }; |
| 104 | channel@3 { |
| 105 | reg = <3>; |
| 106 | label = "CH3"; |
| 107 | }; |
| 108 | }; |
| 109 | }; |
| 110 | ... |