diff --git a/target/linux/rockchip/armv8/config-6.12 b/target/linux/rockchip/armv8/config-6.12
index 16abada526..eb8c364336 100644
--- a/target/linux/rockchip/armv8/config-6.12
+++ b/target/linux/rockchip/armv8/config-6.12
@@ -612,10 +612,10 @@ CONFIG_SERIAL_8250_DWLIB=y
 CONFIG_SERIAL_8250_EXAR=y
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_FSL=y
-CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_NR_UARTS=10
 CONFIG_SERIAL_8250_PCI=y
 CONFIG_SERIAL_8250_PCILIB=y
-CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=10
 CONFIG_SERIAL_8250_SHARE_IRQ=y
 CONFIG_SERIAL_AMBA_PL011=y
 CONFIG_SERIAL_AMBA_PL011_CONSOLE=y