[01/10] dt-bindings: serial: stm32: add wakeup option

Message ID 1559638519-6128-2-git-send-email-erwan.leray@st.com
State Accepted
Commit 96b79ac705cccb9ff2485d59b83ea0b94b5329eb
Headers show
Series
  • STM32 usart power improvements
Related show

Commit Message

Erwan Le Ray June 4, 2019, 8:55 a.m.
Add a note for enabling wakeup capabilities of usart

Signed-off-by: Bich Hemon <bich.hemon@st.com>

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>


-- 
1.9.1

Patch

diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
index 9d3efed..5ec80c1 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
@@ -19,6 +19,11 @@  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 {