diff --git a/drivers/hdlc_rcp_if/Kconfig.uart b/drivers/hdlc_rcp_if/Kconfig.uart index 38b180d02253..a48c8f0a96af 100644 --- a/drivers/hdlc_rcp_if/Kconfig.uart +++ b/drivers/hdlc_rcp_if/Kconfig.uart @@ -12,6 +12,7 @@ config HDLC_RCP_IF_UART bool "UART HDLC interface for Zephyr Openthread RCP host" default y depends on DT_HAS_UART_HDLC_RCP_IF_ENABLED + depends on UART_INTERRUPT_DRIVEN config OPENTHREAD_HDLC_RCP_IF_UART_RX_RING_BUFFER_SIZE int "Set HDLC RCP IF UART RX ring buffer size"