1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2*4882a593Smuzhiyun# Copyright 2020 Alexandru Lazar 3*4882a593Smuzhiyun%YAML 1.2 4*4882a593Smuzhiyun--- 5*4882a593Smuzhiyun$id: http://devicetree.org/schemas/iio/adc/maxim,max1241.yaml# 6*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 7*4882a593Smuzhiyun 8*4882a593Smuzhiyuntitle: Maxim MAX1241 12-bit, single-channel analog to digital converter 9*4882a593Smuzhiyun 10*4882a593Smuzhiyunmaintainers: 11*4882a593Smuzhiyun - Alexandru Lazar <alazar@startmail.com> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyundescription: | 14*4882a593Smuzhiyun Bindings for the max1241 12-bit, single-channel ADC device. Datasheet 15*4882a593Smuzhiyun can be found at: 16*4882a593Smuzhiyun https://datasheets.maximintegrated.com/en/ds/MAX1240-MAX1241.pdf 17*4882a593Smuzhiyun 18*4882a593Smuzhiyunproperties: 19*4882a593Smuzhiyun compatible: 20*4882a593Smuzhiyun enum: 21*4882a593Smuzhiyun - maxim,max1241 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun reg: 24*4882a593Smuzhiyun maxItems: 1 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun vdd-supply: 27*4882a593Smuzhiyun description: 28*4882a593Smuzhiyun Device tree identifier of the regulator that powers the ADC. 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun vref-supply: 31*4882a593Smuzhiyun description: 32*4882a593Smuzhiyun Device tree identifier of the regulator that provides the external 33*4882a593Smuzhiyun reference voltage. 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun shutdown-gpios: 36*4882a593Smuzhiyun description: 37*4882a593Smuzhiyun GPIO spec for the GPIO pin connected to the ADC's /SHDN pin. If 38*4882a593Smuzhiyun specified, the /SHDN pin will be asserted between conversions, 39*4882a593Smuzhiyun thus enabling power-down mode. 40*4882a593Smuzhiyun maxItems: 1 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun spi-max-frequency: true 43*4882a593Smuzhiyun 44*4882a593Smuzhiyunrequired: 45*4882a593Smuzhiyun - compatible 46*4882a593Smuzhiyun - reg 47*4882a593Smuzhiyun - vdd-supply 48*4882a593Smuzhiyun - vref-supply 49*4882a593Smuzhiyun 50*4882a593SmuzhiyunadditionalProperties: false 51*4882a593Smuzhiyun 52*4882a593Smuzhiyunexamples: 53*4882a593Smuzhiyun - | 54*4882a593Smuzhiyun #include <dt-bindings/gpio/gpio.h> 55*4882a593Smuzhiyun spi { 56*4882a593Smuzhiyun #address-cells = <1>; 57*4882a593Smuzhiyun #size-cells = <0>; 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun adc@0 { 60*4882a593Smuzhiyun compatible = "maxim,max1241"; 61*4882a593Smuzhiyun reg = <0>; 62*4882a593Smuzhiyun vdd-supply = <&adc_vdd>; 63*4882a593Smuzhiyun vref-supply = <&adc_vref>; 64*4882a593Smuzhiyun spi-max-frequency = <1000000>; 65*4882a593Smuzhiyun shutdown-gpios = <&gpio 26 1>; 66*4882a593Smuzhiyun }; 67*4882a593Smuzhiyun }; 68