1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2
3 /dts-v1/;
4
5 #include "imx8mp-skov-reva.dtsi"
6
7 / {
8 model = "SKOV IMX8MP CPU revB - LT6";
9 compatible = "skov,imx8mp-skov-revb-lt6", "fsl,imx8mp";
10
11 touchscreen {
12 compatible = "resistive-adc-touch";
13 io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>, <&adc_ts 5>;
14 io-channel-names = "y", "z1", "z2", "x";
15 touchscreen-min-pressure = <65000>;
16 touchscreen-inverted-y;
17 touchscreen-swapped-x-y;
18 touchscreen-x-plate-ohms = <300>;
19 };
20 };
21
22 ®_tft_vcom {
23 regulator-min-microvolt = <3600000>;
24 regulator-max-microvolt = <3600000>;
25 voltage-table = <3600000 26>;
26 status = "okay";
27 };
28
29 &pwm4 {
30 status = "okay";
31 };
32
33 &backlight {
34 status = "okay";
35 };
36
37 &ecspi1 {
38 pinctrl-names = "default";
39 pinctrl-0 = <&pinctrl_ecspi1>;
40 cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
41 status = "okay";
42
43 adc_ts: adc@0 {
44 compatible = "ti,tsc2046e-adc";
45 reg = <0>;
46 pinctrl-0 = <&pinctrl_touch>;
47 pinctrl-names ="default";
48 spi-max-frequency = <1000000>;
49 interrupts-extended = <&gpio4 25 IRQ_TYPE_LEVEL_LOW>;
50 #io-channel-cells = <1>;
51
52 #address-cells = <1>;
53 #size-cells = <0>;
54
55 channel@1 {
56 reg = <1>;
57 settling-time-us = <700>;
58 oversampling-ratio = <5>;
59 };
60
61 channel@3 {
62 reg = <3>;
63 settling-time-us = <700>;
64 oversampling-ratio = <5>;
65 };
66
67 channel@4 {
68 reg = <4>;
69 settling-time-us = <700>;
70 oversampling-ratio = <5>;
71 };
72
73 channel@5 {
74 reg = <5>;
75 settling-time-us = <700>;
76 oversampling-ratio = <5>;
77 };
78 };
79 };
80
81 &pwm1 {
82 status = "okay";
83 };
84
85 &iomuxc {
86 pinctrl_ecspi1: ecspi1grp {
87 fsl,pins = <
88 MX8MP_IOMUXC_ECSPI1_SCLK__ECSPI1_SCLK 0x44
89 MX8MP_IOMUXC_ECSPI1_MOSI__ECSPI1_MOSI 0x44
90 MX8MP_IOMUXC_ECSPI1_MISO__ECSPI1_MISO 0x44
91 MX8MP_IOMUXC_ECSPI1_SS0__GPIO5_IO09 0x40
92 >;
93 };
94
95 pinctrl_touch: touchgrp {
96 fsl,pins = <
97 /* external pull up */
98 MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x40
99 >;
100 };
101 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.