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// 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
>;
};
};
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