| choice | |
| prompt "select usart type " | |
| help | |
| select usart type | |
| config USART_DW | |
| bool "designware usart" | |
| help | |
| select the dw usart driver | |
| config USART_CK | |
| bool "csky usart" | |
| help | |
| select the ck usart driver | |
| config USART_SILAN | |
| bool "silan usart" | |
| help | |
| select the silan usart driver | |
| config USART_ZX29 | |
| bool "zx29 usart" | |
| help | |
| select the zx29 usart driver | |
| endchoice | |