diff options
| author |   Bich HEMON <bich.hemon@st.com> | 2018-03-12 09:50:04 +0000 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-14 13:35:37 +0100 |
| commit | 241672cb4b166da3d2f4deb66bac335f44e04d4a (patch) | |
| tree | f13d09b105c45c2c89bb4719a4c6687893547948 /Documentation/devicetree/bindings/serial | |
| parent | selftests: add devpts selftests (diff) | |
| download | linux-dev-241672cb4b166da3d2f4deb66bac335f44e04d4a.tar.xz linux-dev-241672cb4b166da3d2f4deb66bac335f44e04d4a.zip | |
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 <bich.hemon@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 2 |
1 files changed, 2 insertions, 0 deletions
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" |