Message ID | 1560433800-12255-2-git-send-email-erwan.leray@st.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | STM32 usart power improvements | expand |
On Thu, 13 Jun 2019 15:49:51 +0200, Erwan Le Ray wrote: > 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> > Reviewed-by: Rob Herring <robh@kernel.org>
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 {