Add GPIO function pins select for UART2.
@@ -30,6 +30,19 @@ if RT_USING_SERIAL
config RT_USING_UART2
bool "Using UART2"
default y
+
+ if RT_USING_UART2
+ choice
+ prompt "GPIO function pins select"
+ default CONFIG_SYS_UART2_PC
+
+ config CONFIG_SYS_UART2_PC
+ bool "PORT C"
+
+ config CONFIG_SYS_UART2_PD
+ bool "PORT D"
+ endchoice
+ endif
endif
if RT_USING_SDIO
