/ { aliases { led0 = &red_led_1; led1 = &yellow_led_1; led2 = &green_led_1; servo0 = &pwm_servo0; }; pwmleds: pwmleds { compatible = "pwm-leds"; status = "okay"; pwm_servo0: pwm_servo0 { pwms = <&pwm4 3 PWM_MSEC(20) PWM_POLARITY_NORMAL>; label = "servo 0"; }; }; }; &uart4 { status = "okay"; current-speed = <460800>; pinctrl-0 = <&uart4_tx_pa0 &uart4_rx_pd0>; pinctrl-names = "default"; }; &usart3 { status = "okay"; }; &timers4 { status = "okay"; st,prescaler = <119>; pwm4: pwm { status = "okay"; pinctrl-0 = <&tim4_ch3_pb8>; pinctrl-names = "default"; }; }; &fdcan1 { pinctrl-0 = <&fdcan1_rx_pd0 &fdcan1_tx_pd1>; bitrate = <500000>; bitrate-data = <4000000>; status = "okay"; };