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| author | Erwan Le Ray <erwan.leray@st.com> | 2019-06-13 16:49:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-04 13:43:45 +0300 |
| commit | 96b79ac705cccb9ff2485d59b83ea0b94b5329eb (patch) | |
| tree | 064f26fd65f40472d693fb6e74b5cffb9ed89a6e /Documentation | |
| parent | ea5ab2e422de0ef0fc476fe40f0829abe72684cd (diff) | |
| download | linux-96b79ac705cccb9ff2485d59b83ea0b94b5329eb.tar.xz | |
dt-bindings: serial: stm32: add wakeup option
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>
Link: https://lore.kernel.org/r/1560433800-12255-2-git-send-email-erwan.leray@st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 5 |
1 files changed, 5 insertions, 0 deletions
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 { |