From 241672cb4b166da3d2f4deb66bac335f44e04d4a Mon Sep 17 00:00:00 2001 From: Bich HEMON Date: Mon, 12 Mar 2018 09:50:04 +0000 Subject: [PATCH] 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 Reviewed-by: Rob Herring Signed-off-by: Greg Kroah-Hartman --- Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index d150b04a6229..9d3efed55deb 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -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" -- 2.39.5