1*724ba675SRob Herring// SPDX-License-Identifier: (GPL-2.0 OR MIT) 2*724ba675SRob Herring// 3*724ba675SRob Herring// Copyright (C) 2020 Pengutronix, Ulrich Oelmann <kernel@pengutronix.de> 4*724ba675SRob Herring 5*724ba675SRob Herring/ { 6*724ba675SRob Herring touchscreen { 7*724ba675SRob Herring compatible = "resistive-adc-touch"; 8*724ba675SRob Herring io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>, <&adc_ts 5>; 9*724ba675SRob Herring io-channel-names = "y", "z1", "z2", "x"; 10*724ba675SRob Herring touchscreen-min-pressure = <65000>; 11*724ba675SRob Herring touchscreen-inverted-y; 12*724ba675SRob Herring touchscreen-swapped-x-y; 13*724ba675SRob Herring touchscreen-x-plate-ohms = <300>; 14*724ba675SRob Herring touchscreen-y-plate-ohms = <800>; 15*724ba675SRob Herring }; 16*724ba675SRob Herring}; 17*724ba675SRob Herring 18*724ba675SRob Herring&ecspi4 { 19*724ba675SRob Herring pinctrl-names = "default"; 20*724ba675SRob Herring pinctrl-0 = <&pinctrl_ecspi4>; 21*724ba675SRob Herring cs-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>; 22*724ba675SRob Herring status = "okay"; 23*724ba675SRob Herring 24*724ba675SRob Herring adc_ts: adc@0 { 25*724ba675SRob Herring compatible = "ti,tsc2046e-adc"; 26*724ba675SRob Herring reg = <0>; 27*724ba675SRob Herring pinctrl-0 = <&pinctrl_touch>; 28*724ba675SRob Herring pinctrl-names = "default"; 29*724ba675SRob Herring spi-max-frequency = <1000000>; 30*724ba675SRob Herring interrupts-extended = <&gpio3 19 IRQ_TYPE_LEVEL_LOW>; 31*724ba675SRob Herring #io-channel-cells = <1>; 32*724ba675SRob Herring 33*724ba675SRob Herring #address-cells = <1>; 34*724ba675SRob Herring #size-cells = <0>; 35*724ba675SRob Herring 36*724ba675SRob Herring channel@1 { 37*724ba675SRob Herring reg = <1>; 38*724ba675SRob Herring settling-time-us = <700>; 39*724ba675SRob Herring oversampling-ratio = <5>; 40*724ba675SRob Herring }; 41*724ba675SRob Herring 42*724ba675SRob Herring channel@3 { 43*724ba675SRob Herring reg = <3>; 44*724ba675SRob Herring settling-time-us = <700>; 45*724ba675SRob Herring oversampling-ratio = <5>; 46*724ba675SRob Herring }; 47*724ba675SRob Herring 48*724ba675SRob Herring channel@4 { 49*724ba675SRob Herring reg = <4>; 50*724ba675SRob Herring settling-time-us = <700>; 51*724ba675SRob Herring oversampling-ratio = <5>; 52*724ba675SRob Herring }; 53*724ba675SRob Herring 54*724ba675SRob Herring channel@5 { 55*724ba675SRob Herring reg = <5>; 56*724ba675SRob Herring settling-time-us = <700>; 57*724ba675SRob Herring oversampling-ratio = <5>; 58*724ba675SRob Herring }; 59*724ba675SRob Herring }; 60*724ba675SRob Herring}; 61*724ba675SRob Herring 62*724ba675SRob Herring&iomuxc { 63*724ba675SRob Herring pinctrl_ecspi4: ecspi4grp { 64*724ba675SRob Herring fsl,pins = < 65*724ba675SRob Herring MX6QDL_PAD_EIM_D28__ECSPI4_MOSI 0x100b1 66*724ba675SRob Herring MX6QDL_PAD_EIM_D22__ECSPI4_MISO 0x000b1 67*724ba675SRob Herring MX6QDL_PAD_EIM_D21__ECSPI4_SCLK 0x000b1 68*724ba675SRob Herring /* *no* external pull up */ 69*724ba675SRob Herring MX6QDL_PAD_EIM_D20__GPIO3_IO20 0x40000058 70*724ba675SRob Herring >; 71*724ba675SRob Herring }; 72*724ba675SRob Herring 73*724ba675SRob Herring pinctrl_touch: touchgrp { 74*724ba675SRob Herring fsl,pins = < 75*724ba675SRob Herring /* external pull up */ 76*724ba675SRob Herring MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x10040 77*724ba675SRob Herring >; 78*724ba675SRob Herring }; 79*724ba675SRob Herring}; 80