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