zephyr,user {
lcd-rs-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>; /* GPIO_AD_B1_13 -> GPIO1[29] */
lcd-rw-gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>; /* GPIO_AD_B1_07 -> GPIO1[23] */
lcd-e-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>; /* GPIO_AD_B1_10 -> GPIO1[26] */
lcd-bl-gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>; /* GPIO_AD_B1_08 -> GPIO1[24] */
lcd-d4-gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>; /* GPIO_AD_B1_09 -> GPIO1[25] */
lcd-d5-gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>; /* GPIO_SD_B1_00 -> GPIO3[20] */
lcd-d6-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; /* GPIO_SD_B1_01 -> GPIO3[21] */
lcd-d7-gpios = <&gpio3 30 GPIO_ACTIVE_HIGH>; /* GPIO_SD_B1_10 -> GPIO3[30] */
};
Думаю надо добавить pinctrl для всех gpio