From 96b79ac705cccb9ff2485d59b83ea0b94b5329eb Mon Sep 17 00:00:00 2001 From: Erwan Le Ray Date: Thu, 13 Jun 2019 15:49:51 +0200 Subject: dt-bindings: serial: stm32: add wakeup option Add a note for enabling wakeup capabilities of usart Signed-off-by: Bich Hemon Signed-off-by: Erwan Le Ray Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/1560433800-12255-2-git-send-email-erwan.leray@st.com Signed-off-by: Greg Kroah-Hartman --- Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Documentation/devicetree/bindings/serial') diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index a6b19485c9dc..8620f7fcbd50 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -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 { -- cgit v1.2.3