&pinctrl { uart0_default: uart0_default { group1 { psels = , ; }; group2 { psels = , ; bias-pull-up; }; }; uart0_sleep: uart0_sleep { group1 { psels = , , , ; low-power-enable; }; }; i2c0_default: i2c0_default { group1 { psels = , ; }; }; i2c0_sleep: i2c0_sleep { group1 { psels = , ; low-power-enable; }; }; spi0_default: spi0_default { group1 { psels = , , ; }; }; spi0_sleep: spi0_sleep { group1 { psels = , , ; low-power-enable; }; }; };