1*6be33864SEmmanuel Vadot# SPDX-License-Identifier: GPL-2.0 2*6be33864SEmmanuel Vadot%YAML 1.2 3*6be33864SEmmanuel Vadot--- 4*6be33864SEmmanuel Vadot$id: http://devicetree.org/schemas/iio/adc/adi,ad7768-1.yaml# 5*6be33864SEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6*6be33864SEmmanuel Vadot 7*6be33864SEmmanuel Vadottitle: Analog Devices AD7768-1 ADC device driver 8*6be33864SEmmanuel Vadot 9*6be33864SEmmanuel Vadotmaintainers: 10*6be33864SEmmanuel Vadot - Michael Hennerich <michael.hennerich@analog.com> 11*6be33864SEmmanuel Vadot 12*6be33864SEmmanuel Vadotdescription: | 13*6be33864SEmmanuel Vadot Datasheet at: 14*6be33864SEmmanuel Vadot https://www.analog.com/media/en/technical-documentation/data-sheets/ad7768-1.pdf 15*6be33864SEmmanuel Vadot 16*6be33864SEmmanuel Vadotproperties: 17*6be33864SEmmanuel Vadot compatible: 18*6be33864SEmmanuel Vadot const: adi,ad7768-1 19*6be33864SEmmanuel Vadot 20*6be33864SEmmanuel Vadot reg: 21*6be33864SEmmanuel Vadot maxItems: 1 22*6be33864SEmmanuel Vadot 23*6be33864SEmmanuel Vadot clocks: 24*6be33864SEmmanuel Vadot maxItems: 1 25*6be33864SEmmanuel Vadot 26*6be33864SEmmanuel Vadot clock-names: 27*6be33864SEmmanuel Vadot const: mclk 28*6be33864SEmmanuel Vadot 29*6be33864SEmmanuel Vadot interrupts: 30*6be33864SEmmanuel Vadot maxItems: 1 31*6be33864SEmmanuel Vadot 32*6be33864SEmmanuel Vadot vref-supply: 33*6be33864SEmmanuel Vadot description: 34*6be33864SEmmanuel Vadot ADC reference voltage supply 35*6be33864SEmmanuel Vadot 36*6be33864SEmmanuel Vadot adi,sync-in-gpios: 37*6be33864SEmmanuel Vadot description: 38*6be33864SEmmanuel Vadot Enables synchronization of multiple devices that require simultaneous 39*6be33864SEmmanuel Vadot sampling. A pulse is always required if the configuration is changed 40*6be33864SEmmanuel Vadot in any way, for example if the filter decimation rate changes. 41*6be33864SEmmanuel Vadot As the line is active low, it should be marked GPIO_ACTIVE_LOW. 42*6be33864SEmmanuel Vadot 43*6be33864SEmmanuel Vadot reset-gpios: 44*6be33864SEmmanuel Vadot maxItems: 1 45*6be33864SEmmanuel Vadot 46*6be33864SEmmanuel Vadot spi-max-frequency: true 47*6be33864SEmmanuel Vadot 48*6be33864SEmmanuel Vadot spi-cpol: true 49*6be33864SEmmanuel Vadot 50*6be33864SEmmanuel Vadot spi-cpha: true 51*6be33864SEmmanuel Vadot 52*6be33864SEmmanuel Vadot "#io-channel-cells": 53*6be33864SEmmanuel Vadot const: 1 54*6be33864SEmmanuel Vadot 55*6be33864SEmmanuel Vadotrequired: 56*6be33864SEmmanuel Vadot - compatible 57*6be33864SEmmanuel Vadot - reg 58*6be33864SEmmanuel Vadot - clocks 59*6be33864SEmmanuel Vadot - clock-names 60*6be33864SEmmanuel Vadot - vref-supply 61*6be33864SEmmanuel Vadot - spi-cpol 62*6be33864SEmmanuel Vadot - spi-cpha 63*6be33864SEmmanuel Vadot - adi,sync-in-gpios 64*6be33864SEmmanuel Vadot 65*6be33864SEmmanuel VadotadditionalProperties: false 66*6be33864SEmmanuel Vadot 67*6be33864SEmmanuel Vadotexamples: 68*6be33864SEmmanuel Vadot - | 69*6be33864SEmmanuel Vadot #include <dt-bindings/interrupt-controller/irq.h> 70*6be33864SEmmanuel Vadot #include <dt-bindings/gpio/gpio.h> 71*6be33864SEmmanuel Vadot spi { 72*6be33864SEmmanuel Vadot #address-cells = <1>; 73*6be33864SEmmanuel Vadot #size-cells = <0>; 74*6be33864SEmmanuel Vadot 75*6be33864SEmmanuel Vadot adc@0 { 76*6be33864SEmmanuel Vadot compatible = "adi,ad7768-1"; 77*6be33864SEmmanuel Vadot reg = <0>; 78*6be33864SEmmanuel Vadot spi-max-frequency = <2000000>; 79*6be33864SEmmanuel Vadot spi-cpol; 80*6be33864SEmmanuel Vadot spi-cpha; 81*6be33864SEmmanuel Vadot vref-supply = <&adc_vref>; 82*6be33864SEmmanuel Vadot interrupts = <25 IRQ_TYPE_EDGE_RISING>; 83*6be33864SEmmanuel Vadot interrupt-parent = <&gpio>; 84*6be33864SEmmanuel Vadot adi,sync-in-gpios = <&gpio 22 GPIO_ACTIVE_LOW>; 85*6be33864SEmmanuel Vadot reset-gpios = <&gpio 27 GPIO_ACTIVE_LOW>; 86*6be33864SEmmanuel Vadot clocks = <&ad7768_mclk>; 87*6be33864SEmmanuel Vadot clock-names = "mclk"; 88*6be33864SEmmanuel Vadot }; 89*6be33864SEmmanuel Vadot }; 90*6be33864SEmmanuel Vadot... 91