brintos / linux-shallow public Read only

1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/iio/adc/ti,ads1119.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Texas Instruments ADS1119 ADC8 9maintainers:10  - João Paulo Gonçalves <jpaulo.silvagoncalves@gmail.com>11 12description:13  The TI ADS1119 is a precision 16-bit ADC over I2C that offers single-ended and14  differential measurements using a multiplexed input. It features a programmable15  gain, a programmable sample rate, an internal oscillator and voltage reference,16  and a 50/60Hz rejection filter.17 18properties:19  compatible:20    const: ti,ads111921 22  reg:23    maxItems: 124 25  interrupts:26    maxItems: 127 28  reset-gpios:29    maxItems: 130 31  avdd-supply: true32  dvdd-supply: true33 34  vref-supply:35    description:36      ADC external reference voltage (VREF).37 38  "#address-cells":39    const: 140 41  "#size-cells":42    const: 043 44  "#io-channel-cells":45    const: 146 47required:48  - compatible49  - reg50  - "#address-cells"51  - "#size-cells"52  - avdd-supply53  - dvdd-supply54 55patternProperties:56  "^channel@([0-6])$":57    $ref: adc.yaml58    type: object59    properties:60      reg:61        minimum: 062        maximum: 663 64      diff-channels:65        description:66          Differential input channels AIN0-AIN1, AIN2-AIN3 and AIN1-AIN2.67        oneOf:68          - items:69              - const: 070              - const: 171          - items:72              - const: 273              - const: 374          - items:75              - const: 176              - const: 277 78      single-channel:79        description:80          Single-ended input channels AIN0, AIN1, AIN2 and AIN3.81        minimum: 082        maximum: 383 84    oneOf:85      - required:86          - diff-channels87      - required:88          - single-channel89 90    required:91      - reg92 93    unevaluatedProperties: false94 95additionalProperties: false96 97examples:98  - |99 100    #include <dt-bindings/gpio/gpio.h>101    #include <dt-bindings/interrupt-controller/irq.h>102 103    i2c {104        #address-cells = <1>;105        #size-cells = <0>;106 107        adc@40 {108            compatible = "ti,ads1119";109            reg = <0x40>;110            interrupt-parent = <&gpio1>;111            interrupts = <25 IRQ_TYPE_EDGE_FALLING>;112            reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;113            avdd-supply = <&reg_avdd_ads1119>;114            dvdd-supply = <&reg_dvdd_ads1119>;115            vref-supply = <&reg_vref_ads1119>;116            #address-cells = <1>;117            #size-cells = <0>;118            #io-channel-cells = <1>;119 120            channel@0 {121                reg = <0>;122                single-channel = <0>;123            };124 125            channel@1 {126                reg = <1>;127                diff-channels = <0 1>;128            };129 130            channel@2 {131                reg = <2>;132                single-channel = <3>;133            };134 135            channel@3 {136                reg = <3>;137                single-channel = <1>;138            };139 140            channel@4 {141                reg = <4>;142                single-channel = <2>;143            };144 145            channel@5 {146                reg = <5>;147                diff-channels = <1 2>;148            };149 150            channel@6 {151                reg = <6>;152                diff-channels = <2 3>;153            };154        };155    };156