This is my current overlay.
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
#include “imx8mp-pinfunc.h”
/ {
compatible = “toradex,verdin-imx8mp”;
};
&pinctrl_pwm_3 {
status = “disabled”;
};
&pinctrl_pwm_3_dsi_hpd_gpio {
status = “disabled”;
};
&pinctrl_sai1 {
status = “diabled”;
};
&pwm3 {
status = “disabled”;
};
&nau8822_1a {
status = “disabled”;
};
&hwmon {
status = “disabled”;
};
&i2c6 {
clock-frequency = <400000>;
pinctrl-names = “default”, “gpio”;
pinctrl-0 = <&pinctrl_i2c6>;
pinctrl-1 = <&pinctrl_i2c6_gpio>;
scl-gpios = <&gpio3 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
sda-gpios = <&gpio3 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = “okay”;
};
/* Verdin SPI_1 */
&ecspi1 {
#address-cells = <1>;
#size-cells = <0>;
cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
pinctrl-names = “default”;
pinctrl-0 = <&pinctrl_ecspi1>;
};
&iomuxc {
pinctrl_i2c6: i2c6grp {
fsl,pins =
<MX8MP_IOMUXC_SAI5_RXFS__I2C6_SCL 0x400001c6>,
<MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA 0x400001c6>;
};
pinctrl_i2c6_gpio: i2c6gpiogrp {
fsl,pins =
<MX8MP_IOMUXC_SAI5_RXFS__GPIO3_IO19 0x400001c6>,
<MX8MP_IOMUXC_SAI5_RXC__GPIO3_IO20 0x400001c6>;
};
pinctrl_ecspi1: ecspi1grp {
fsl,pins =
<MX8MP_IOMUXC_ECSPI1_MISO__ECSPI1_MISO 0x1c4>, /* SODIMM 198 */
<MX8MP_IOMUXC_ECSPI1_MOSI__ECSPI1_MOSI 0x4>, /* SODIMM 200 */
<MX8MP_IOMUXC_ECSPI1_SCLK__ECSPI1_SCLK 0x4>, /* SODIMM 196 */
<MX8MP_IOMUXC_ECSPI1_SS0__GPIO5_IO09 0x1c4>; /* SODIMM 202 */
};
};
/* Verdin SPI_1 this turns on the driver for SPI */
&ecspi1 {
#address-cells = <1>;
#size-cells = <0>;
status = “okay”;
spidev@0 {
/* Use compatible "rohm,dh2228fv" to bind spidev driver */
compatible = "rohm,dh2228fv";
reg = <0>;
spi-max-frequency = <10000000>;
};
};
/* EEPROM on Verdin Development board */
&eeprom_carrier_board {
status = “okay”;
};
