dt-bindings: serial: stm32: add wakeup option (96b79ac7) · Commits · 戴 / test

Add a note for enabling wakeup capabilities of usart Signed-off-by:

Documentation/devicetree/bindings/serial/st,stm32-usart.txt

+5 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,11 @@ Optional properties:
		linux,rs485-enabled-at-boot-time: see rs485.txt.
		- dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt
		- dma-names: "rx" and/or "tx"
		- wakeup-source: bool flag to indicate this device has wakeup capabilities
		- interrupt-names, if optional wake-up interrupt is used, should be:
		- "event": the name for the interrupt line of the USART instance
		- "wakeup" the name for the optional wake-up interrupt


		Examples:
		usart4: serial@40004c00 {