 */         AT00_PIOB 00 AT00_PERIPH_A AT00_PINCTRL_NONE>; /* PB00 periph A */      };       pinctrl_usart0_rts: usart0_rts-0 {       atmel,pins =        <AT00_PIOB 00 AT00_PERIPH_B AT00_PINCTRL_NONE>; /* PB00 periph B */      };       pinctrl_usart0_cts: usart0_cts-0 {       atmel,pins =        <AT00_PIOB 00 AT00_PERIPH_B AT00_PINCTRL_NONE>; /* PB00 periph B */      };     