| // SPDX-License-Identifier: (GPL-2.0 OR MIT) |
| // |
| // Copyright (C) 2020 Pengutronix, Ulrich Oelmann <kernel@pengutronix.de> |
| |
| &ecspi4 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&pinctrl_ecspi4>; |
| cs-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>; |
| status = "okay"; |
| |
| touchscreen@0 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&pinctrl_touch>; |
| compatible = "ti,tsc2046"; |
| reg = <0>; |
| spi-max-frequency = <1000000>; |
| interrupts-extended = <&gpio3 19 IRQ_TYPE_LEVEL_LOW>; |
| vcc-supply = <®_3v3>; |
| pendown-gpio = <&gpio3 19 GPIO_ACTIVE_LOW>; |
| ti,x-plate-ohms = /bits/ 16 <850>; |
| ti,y-plate-ohms = /bits/ 16 <295>; |
| ti,pressure-min = /bits/ 16 <2>; |
| ti,pressure-max = /bits/ 16 <1500>; |
| ti,vref-mv = /bits/ 16 <3300>; |
| ti,settle-delay-usec = /bits/ 16 <15>; |
| ti,vref-delay-usecs = /bits/ 16 <0>; |
| ti,penirq-recheck-delay-usecs = /bits/ 16 <100>; |
| ti,debounce-max = /bits/ 16 <100>; |
| ti,debounce-tol = /bits/ 16 <(~0)>; |
| ti,debounce-rep = /bits/ 16 <4>; |
| touchscreen-swapped-x-y; |
| touchscreen-inverted-y; |
| wakeup-source; |
| }; |
| }; |
| |
| &iomuxc { |
| pinctrl_ecspi4: ecspi4grp { |
| fsl,pins = < |
| MX6QDL_PAD_EIM_D28__ECSPI4_MOSI 0x100b1 |
| MX6QDL_PAD_EIM_D22__ECSPI4_MISO 0x000b1 |
| MX6QDL_PAD_EIM_D21__ECSPI4_SCLK 0x000b1 |
| /* *no* external pull up */ |
| MX6QDL_PAD_EIM_D20__GPIO3_IO20 0x40000058 |
| >; |
| }; |
| |
| pinctrl_touch: touchgrp { |
| fsl,pins = < |
| /* external pull up */ |
| MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x10040 |
| >; |
| }; |
| }; |
