ti,ads1015.yaml (2486B)
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/iio/adc/ti,ads1015.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: TI ADS1015/ADS1115 4 channel I2C analog to digital converter 8 9maintainers: 10 - Daniel Baluta <daniel.baluta@nxp.com> 11 12description: | 13 Datasheet at: https://www.ti.com/lit/gpn/ads1015 14 Supports both single ended and differential channels. 15 16properties: 17 compatible: 18 enum: 19 - ti,ads1015 20 - ti,ads1115 21 - ti,tla2024 22 23 reg: 24 maxItems: 1 25 26 "#address-cells": 27 const: 1 28 29 "#size-cells": 30 const: 0 31 32 "#io-channel-cells": 33 const: 1 34 35required: 36 - compatible 37 - reg 38 - "#address-cells" 39 - "#size-cells" 40 41additionalProperties: false 42 43patternProperties: 44 "^channel@[0-7]+$": 45 type: object 46 description: 47 Child nodes needed for each channel that the platform uses. 48 49 properties: 50 reg: 51 description: | 52 0: Voltage over AIN0 and AIN1. 53 1: Voltage over AIN0 and AIN3. 54 2: Voltage over AIN1 and AIN3. 55 3: Voltage over AIN2 and AIN3. 56 4: Voltage over AIN0 and GND. 57 5: Voltage over AIN1 and GND. 58 6: Voltage over AIN2 and GND. 59 7: Voltage over AIN3 and GND. 60 items: 61 - minimum: 0 62 maximum: 7 63 64 ti,gain: 65 $ref: /schemas/types.yaml#/definitions/uint32 66 minimum: 0 67 maximum: 5 68 description: | 69 pga is the programmable gain amplifier (values are full scale) 70 0: +/- 6.144 V 71 1: +/- 4.096 V 72 2: +/- 2.048 V (default) 73 3: +/- 1.024 V 74 4: +/- 0.512 V 75 5: +/- 0.256 V 76 77 ti,datarate: 78 $ref: /schemas/types.yaml#/definitions/uint32 79 minimum: 0 80 maximum: 6 81 description: | 82 Data acquisition rate in samples per second 83 0: 128 84 1: 250 85 2: 490 86 3: 920 87 4: 1600 (default) 88 5: 2400 89 6: 3300 90 91 required: 92 - reg 93 94examples: 95 - | 96 i2c { 97 #address-cells = <1>; 98 #size-cells = <0>; 99 100 adc@49 { 101 compatible = "ti,ads1015"; 102 reg = <0x49>; 103 #address-cells = <1>; 104 #size-cells = <0>; 105 channel@0 { 106 reg = <0>; 107 }; 108 channel@4 { 109 reg = <4>; 110 ti,gain = <3>; 111 ti,datarate = <5>; 112 }; 113 }; 114 }; 115...