161 lines
2.9 KiB
Plaintext
161 lines
2.9 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright 2022 DimOnOff
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*/
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/dts-v1/;
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#include <dt-bindings/usb/pd.h>
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#include "imx8mn-var-som-symphony.dts"
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/ {
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model = "DimOnOff Gateway EVK board";
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compatible = "dimonoff,gateway-evk", "variscite,var-som-mx8mn",
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"fsl,imx8mn";
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/*
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* U30 FPF2193 regulator.
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* Source = BASE_PER_3V3 = SOM_3V3 (COM pin 49).
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*/
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reg_disp_3v3: regulator-disp-3v3 {
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compatible = "regulator-fixed";
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regulator-name = "Display 3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-boot-on;
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_gpio_keys>;
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key-enter {
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label = "enter";
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gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_ENTER>;
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wakeup-source;
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};
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};
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/* Bourns PEC12R rotary encoder, 24 steps. */
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rotary: rotary-encoder {
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compatible = "rotary-encoder";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_rotary>;
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gpios = <&gpio5 12 GPIO_ACTIVE_LOW>, /* A */
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<&gpio5 13 GPIO_ACTIVE_LOW>; /* B */
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linux,axis = <0>; /* REL_X */
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rotary-encoder,encoding = "gray";
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rotary-encoder,relative-axis;
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};
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};
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/* Disable Asynchronous Sample Rate Converter (audio) */
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&easrc {
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status = "disabled";
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};
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&ecspi1 {
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/* Resistive touch controller */
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/delete-node/ touchscreen@0;
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};
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&gpu {
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status = "disabled";
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};
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&i2c2 {
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adc@48 {
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compatible = "ti,ads7924";
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reg = <0x48>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_adc>;
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vref-supply = <®_disp_3v3>;
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reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;
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#address-cells = <1>;
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#size-cells = <0>;
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channel@0 {
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reg = <0>;
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label = "Pot0";
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};
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channel@1 {
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reg = <1>;
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label = "Pot1";
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};
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channel@2 {
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reg = <2>;
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label = "Pot2";
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};
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channel@3 {
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reg = <3>;
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label = "Pot3";
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};
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};
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rtc@51 {
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compatible = "nxp,pcf2129";
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reg = <0x51>;
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reset-source; /* For watchdog. */
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};
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rtc@53 {
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compatible = "nxp,pcf2131";
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reg = <0x53>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_rtc>;
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reset-source; /* For watchdog. */
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interrupt-parent = <&gpio5>;
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interrupts = <10 IRQ_TYPE_EDGE_FALLING>; /* J17.6 on EVK */
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};
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};
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&i2c3 {
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touchscreen@38 {
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status = "disabled";
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};
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codec@1a {
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status = "disabled";
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};
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/* DS1337 RTC module */
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rtc@68 {
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status = "disabled";
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};
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};
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&sai5 {
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status = "disabled";
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};
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&iomuxc {
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pinctrl_gpio_keys: gpiokeysgrp {
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fsl,pins = <
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MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8 0xc6
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>;
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};
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pinctrl_rotary: rotarygrp {
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fsl,pins = <
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MX8MN_IOMUXC_ECSPI2_MISO_GPIO5_IO12 0x00000156
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MX8MN_IOMUXC_ECSPI2_SS0_GPIO5_IO13 0x00000156
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>;
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};
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pinctrl_adc: adcgrp {
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fsl,pins = <
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MX8MN_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x00000156
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>;
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};
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pinctrl_rtc: rtcgrp {
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fsl,pins = <
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MX8MN_IOMUXC_ECSPI2_SCLK_GPIO5_IO10 0x00000156
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MX8MN_IOMUXC_ECSPI2_MOSI_GPIO5_IO11 0x00000156
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>;
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};
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};
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