/ { nrf_radio_fem: name_of_fem_node { compatible = "nordic,nrf21540-fem"; tx-en-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; rx-en-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; pdn-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>; }; }; &dppic10 { status = "okay"; }; &ppib11 { status = "okay"; }; &ppib21 { status = "okay"; }; &dppic20 { status = "okay"; }; &ppib22 { status = "okay"; }; &ppib30 { status = "okay"; }; &dppic30 { status = "okay"; }; &uart20 { status = "okay"; current-speed = <115200>; pinctrl-0 = <&uart20_default>; pinctrl-1 = <&uart20_sleep>; pinctrl-names = "default", "sleep"; }; &pinctrl { uart20_default: uart20_default { group1 { psels = , // TX on P2.02 ; // RX on P2.00 }; }; uart20_sleep: uart20_sleep { group1 { psels = , ; low-power-enable; }; }; }; /{ chosen { zephyr,console = &uart20; zephyr,shell-uart = &uart20; }; };