10e8011faSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 20e8011faSEmmanuel Vadot%YAML 1.2 30e8011faSEmmanuel Vadot--- 40e8011faSEmmanuel Vadot$id: http://devicetree.org/schemas/iio/adc/adi,ad7380.yaml# 50e8011faSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 60e8011faSEmmanuel Vadot 70e8011faSEmmanuel Vadottitle: Analog Devices Simultaneous Sampling Analog to Digital Converters 80e8011faSEmmanuel Vadot 90e8011faSEmmanuel Vadotmaintainers: 100e8011faSEmmanuel Vadot - Michael Hennerich <Michael.Hennerich@analog.com> 110e8011faSEmmanuel Vadot - Nuno Sá <nuno.sa@analog.com> 120e8011faSEmmanuel Vadot 130e8011faSEmmanuel Vadotdescription: | 140e8011faSEmmanuel Vadot * https://www.analog.com/en/products/ad7380.html 150e8011faSEmmanuel Vadot * https://www.analog.com/en/products/ad7381.html 160e8011faSEmmanuel Vadot * https://www.analog.com/en/products/ad7383.html 170e8011faSEmmanuel Vadot * https://www.analog.com/en/products/ad7384.html 18*b2d2a78aSEmmanuel Vadot * https://www.analog.com/en/products/ad7386.html 19*b2d2a78aSEmmanuel Vadot * https://www.analog.com/en/products/ad7387.html 20*b2d2a78aSEmmanuel Vadot * https://www.analog.com/en/products/ad7388.html 210e8011faSEmmanuel Vadot * https://www.analog.com/en/products/ad7380-4.html 220e8011faSEmmanuel Vadot * https://www.analog.com/en/products/ad7381-4.html 230e8011faSEmmanuel Vadot * https://www.analog.com/en/products/ad7383-4.html 240e8011faSEmmanuel Vadot * https://www.analog.com/en/products/ad7384-4.html 25*b2d2a78aSEmmanuel Vadot * https://www.analog.com/en/products/ad7386-4.html 26*b2d2a78aSEmmanuel Vadot * https://www.analog.com/en/products/ad7387-4.html 27*b2d2a78aSEmmanuel Vadot * https://www.analog.com/en/products/ad7388-4.html 28*b2d2a78aSEmmanuel Vadot 290e8011faSEmmanuel Vadot 300e8011faSEmmanuel Vadot$ref: /schemas/spi/spi-peripheral-props.yaml# 310e8011faSEmmanuel Vadot 320e8011faSEmmanuel Vadotproperties: 330e8011faSEmmanuel Vadot compatible: 340e8011faSEmmanuel Vadot enum: 350e8011faSEmmanuel Vadot - adi,ad7380 360e8011faSEmmanuel Vadot - adi,ad7381 370e8011faSEmmanuel Vadot - adi,ad7383 380e8011faSEmmanuel Vadot - adi,ad7384 39*b2d2a78aSEmmanuel Vadot - adi,ad7386 40*b2d2a78aSEmmanuel Vadot - adi,ad7387 41*b2d2a78aSEmmanuel Vadot - adi,ad7388 420e8011faSEmmanuel Vadot - adi,ad7380-4 430e8011faSEmmanuel Vadot - adi,ad7381-4 440e8011faSEmmanuel Vadot - adi,ad7383-4 450e8011faSEmmanuel Vadot - adi,ad7384-4 46*b2d2a78aSEmmanuel Vadot - adi,ad7386-4 47*b2d2a78aSEmmanuel Vadot - adi,ad7387-4 48*b2d2a78aSEmmanuel Vadot - adi,ad7388-4 490e8011faSEmmanuel Vadot 500e8011faSEmmanuel Vadot reg: 510e8011faSEmmanuel Vadot maxItems: 1 520e8011faSEmmanuel Vadot 530e8011faSEmmanuel Vadot spi-max-frequency: 540e8011faSEmmanuel Vadot maximum: 80000000 550e8011faSEmmanuel Vadot spi-cpol: true 560e8011faSEmmanuel Vadot spi-cpha: true 570e8011faSEmmanuel Vadot 580e8011faSEmmanuel Vadot vcc-supply: 590e8011faSEmmanuel Vadot description: A 3V to 3.6V supply that powers the chip. 600e8011faSEmmanuel Vadot 610e8011faSEmmanuel Vadot vlogic-supply: 620e8011faSEmmanuel Vadot description: 630e8011faSEmmanuel Vadot A 1.65V to 3.6V supply for the logic pins. 640e8011faSEmmanuel Vadot 650e8011faSEmmanuel Vadot refio-supply: 660e8011faSEmmanuel Vadot description: 670e8011faSEmmanuel Vadot A 2.5V to 3.3V supply for the external reference voltage. When omitted, 680e8011faSEmmanuel Vadot the internal 2.5V reference is used. 690e8011faSEmmanuel Vadot 70*b2d2a78aSEmmanuel Vadot refin-supply: 71*b2d2a78aSEmmanuel Vadot description: 72*b2d2a78aSEmmanuel Vadot A 2.5V to 3.3V supply for external reference voltage, for ad7380-4 only. 73*b2d2a78aSEmmanuel Vadot 740e8011faSEmmanuel Vadot aina-supply: 750e8011faSEmmanuel Vadot description: 760e8011faSEmmanuel Vadot The common mode voltage supply for the AINA- pin on pseudo-differential 770e8011faSEmmanuel Vadot chips. 780e8011faSEmmanuel Vadot 790e8011faSEmmanuel Vadot ainb-supply: 800e8011faSEmmanuel Vadot description: 810e8011faSEmmanuel Vadot The common mode voltage supply for the AINB- pin on pseudo-differential 820e8011faSEmmanuel Vadot chips. 830e8011faSEmmanuel Vadot 840e8011faSEmmanuel Vadot ainc-supply: 850e8011faSEmmanuel Vadot description: 860e8011faSEmmanuel Vadot The common mode voltage supply for the AINC- pin on pseudo-differential 870e8011faSEmmanuel Vadot chips. 880e8011faSEmmanuel Vadot 890e8011faSEmmanuel Vadot aind-supply: 900e8011faSEmmanuel Vadot description: 910e8011faSEmmanuel Vadot The common mode voltage supply for the AIND- pin on pseudo-differential 920e8011faSEmmanuel Vadot chips. 930e8011faSEmmanuel Vadot 940e8011faSEmmanuel Vadot interrupts: 950e8011faSEmmanuel Vadot description: 960e8011faSEmmanuel Vadot When the device is using 1-wire mode, this property is used to optionally 970e8011faSEmmanuel Vadot specify the ALERT interrupt. 980e8011faSEmmanuel Vadot maxItems: 1 990e8011faSEmmanuel Vadot 1000e8011faSEmmanuel Vadotrequired: 1010e8011faSEmmanuel Vadot - compatible 1020e8011faSEmmanuel Vadot - reg 1030e8011faSEmmanuel Vadot - vcc-supply 1040e8011faSEmmanuel Vadot - vlogic-supply 1050e8011faSEmmanuel Vadot 1060e8011faSEmmanuel VadotunevaluatedProperties: false 1070e8011faSEmmanuel Vadot 1080e8011faSEmmanuel VadotallOf: 1090e8011faSEmmanuel Vadot # pseudo-differential chips require common mode voltage supplies, 1100e8011faSEmmanuel Vadot # true differential chips don't use them 1110e8011faSEmmanuel Vadot - if: 1120e8011faSEmmanuel Vadot properties: 1130e8011faSEmmanuel Vadot compatible: 1140e8011faSEmmanuel Vadot enum: 1150e8011faSEmmanuel Vadot - adi,ad7383 1160e8011faSEmmanuel Vadot - adi,ad7384 1170e8011faSEmmanuel Vadot - adi,ad7383-4 1180e8011faSEmmanuel Vadot - adi,ad7384-4 1190e8011faSEmmanuel Vadot then: 1200e8011faSEmmanuel Vadot required: 1210e8011faSEmmanuel Vadot - aina-supply 1220e8011faSEmmanuel Vadot - ainb-supply 1230e8011faSEmmanuel Vadot else: 1240e8011faSEmmanuel Vadot properties: 1250e8011faSEmmanuel Vadot aina-supply: false 1260e8011faSEmmanuel Vadot ainb-supply: false 1270e8011faSEmmanuel Vadot - if: 1280e8011faSEmmanuel Vadot properties: 1290e8011faSEmmanuel Vadot compatible: 1300e8011faSEmmanuel Vadot enum: 1310e8011faSEmmanuel Vadot - adi,ad7383-4 1320e8011faSEmmanuel Vadot - adi,ad7384-4 1330e8011faSEmmanuel Vadot then: 1340e8011faSEmmanuel Vadot required: 1350e8011faSEmmanuel Vadot - ainc-supply 1360e8011faSEmmanuel Vadot - aind-supply 1370e8011faSEmmanuel Vadot else: 1380e8011faSEmmanuel Vadot properties: 1390e8011faSEmmanuel Vadot ainc-supply: false 1400e8011faSEmmanuel Vadot aind-supply: false 1410e8011faSEmmanuel Vadot 142*b2d2a78aSEmmanuel Vadot # ad7380-4 uses refin-supply as external reference. 143*b2d2a78aSEmmanuel Vadot # All other chips from ad738x family use refio as optional external reference. 144*b2d2a78aSEmmanuel Vadot # When refio-supply is omitted, internal reference is used. 145*b2d2a78aSEmmanuel Vadot - if: 146*b2d2a78aSEmmanuel Vadot properties: 147*b2d2a78aSEmmanuel Vadot compatible: 148*b2d2a78aSEmmanuel Vadot enum: 149*b2d2a78aSEmmanuel Vadot - adi,ad7380-4 150*b2d2a78aSEmmanuel Vadot then: 151*b2d2a78aSEmmanuel Vadot properties: 152*b2d2a78aSEmmanuel Vadot refio-supply: false 153*b2d2a78aSEmmanuel Vadot required: 154*b2d2a78aSEmmanuel Vadot - refin-supply 155*b2d2a78aSEmmanuel Vadot else: 156*b2d2a78aSEmmanuel Vadot properties: 157*b2d2a78aSEmmanuel Vadot refin-supply: false 158*b2d2a78aSEmmanuel Vadot 1590e8011faSEmmanuel Vadotexamples: 1600e8011faSEmmanuel Vadot - | 1610e8011faSEmmanuel Vadot #include <dt-bindings/interrupt-controller/irq.h> 1620e8011faSEmmanuel Vadot 1630e8011faSEmmanuel Vadot spi { 1640e8011faSEmmanuel Vadot #address-cells = <1>; 1650e8011faSEmmanuel Vadot #size-cells = <0>; 1660e8011faSEmmanuel Vadot 1670e8011faSEmmanuel Vadot adc@0 { 1680e8011faSEmmanuel Vadot compatible = "adi,ad7380"; 1690e8011faSEmmanuel Vadot reg = <0>; 1700e8011faSEmmanuel Vadot 1710e8011faSEmmanuel Vadot spi-cpol; 1720e8011faSEmmanuel Vadot spi-cpha; 1730e8011faSEmmanuel Vadot spi-max-frequency = <80000000>; 1740e8011faSEmmanuel Vadot 1750e8011faSEmmanuel Vadot interrupts = <27 IRQ_TYPE_EDGE_FALLING>; 1760e8011faSEmmanuel Vadot interrupt-parent = <&gpio0>; 1770e8011faSEmmanuel Vadot 1780e8011faSEmmanuel Vadot vcc-supply = <&supply_3_3V>; 1790e8011faSEmmanuel Vadot vlogic-supply = <&supply_3_3V>; 1800e8011faSEmmanuel Vadot refio-supply = <&supply_2_5V>; 1810e8011faSEmmanuel Vadot }; 1820e8011faSEmmanuel Vadot }; 183