Commit 241672cb authored Mar 12, 2018 by Bich HEMON Committed by Greg Kroah-Hartman Mar 14, 2018

dt-bindings: serial: stm32: add RS485 optional properties



Add options for enabling RS485 hardware control and configuring
Driver Enable signal:
- rs485-rts-delay
- rs485-rx-during-tx
- rs485-rts-active-low
- linux,rs485-enabled-at-boot-time

Signed-off-by: Bich Hemon <bich.hemon@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent ce290a19

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

+2 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,8 @@ Required properties:
		Optional properties:
		- pinctrl: The reference on the pins configuration
		- st,hw-flow-ctrl: bool flag to enable hardware flow control.
		- rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low,
		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"