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