1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/iio/adc/st,stmpe-adc.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: ADC on an STMPE multifunction device. 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmaintainers: 10*4882a593Smuzhiyun - Stefan Agner <stefan@agner.ch> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyundescription: 13*4882a593Smuzhiyun This ADC forms part of an ST microelectronics STMPE multifunction device . 14*4882a593Smuzhiyun The ADC is shared with the STMPE touchscreen. As a result some ADC related 15*4882a593Smuzhiyun settings are specified in the parent node. 16*4882a593Smuzhiyun The node name myst be stmpe_adc and should be a child node of the stmpe node 17*4882a593Smuzhiyun to which it belongs. 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunproperties: 20*4882a593Smuzhiyun compatible: 21*4882a593Smuzhiyun const: st,stmpe-adc 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun st,norequest-mask: 24*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/uint32 25*4882a593Smuzhiyun description: 26*4882a593Smuzhiyun Bitmask specifying which ADC channels should _not_ be 27*4882a593Smuzhiyun requestable due to different usage (e.g. touch). 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun "#io-channel-cells": 30*4882a593Smuzhiyun const: 1 31*4882a593Smuzhiyun 32*4882a593Smuzhiyunrequired: 33*4882a593Smuzhiyun - compatible 34*4882a593Smuzhiyun 35*4882a593SmuzhiyunadditionalProperties: false 36*4882a593Smuzhiyun 37*4882a593Smuzhiyunexamples: 38*4882a593Smuzhiyun - | 39*4882a593Smuzhiyun stmpe { 40*4882a593Smuzhiyun stmpe_adc { 41*4882a593Smuzhiyun compatible = "st,stmpe-adc"; 42*4882a593Smuzhiyun st,norequest-mask = <0x0F>; /* dont use ADC CH3-0 */ 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun }; 45*4882a593Smuzhiyun... 46