| Message ID | 20200229160507.31309-2-devik@eaxlabs.cz (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] tty/serial: Add st,swap OF option to stm32-usart | expand |
On Sat, 29 Feb 2020 17:05:07 +0100, Martin Devera wrote: > Add new st,swap property to allow for RX & TX pin swapping. > > Signed-off-by: Martin Devera <devik@eaxlabs.cz> > --- > Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 1 + > 1 file changed, 1 insertion(+) > Acked-by: Rob Herring <robh@kernel.org>
On Tue, Mar 10, 2020 at 1:00 PM Rob Herring <robh@kernel.org> wrote: > > On Sat, 29 Feb 2020 17:05:07 +0100, Martin Devera wrote: > > Add new st,swap property to allow for RX & TX pin swapping. > > > > Signed-off-by: Martin Devera <devik@eaxlabs.cz> > > --- > > Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 1 + > > 1 file changed, 1 insertion(+) > > > > Acked-by: Rob Herring <robh@kernel.org> I take this back as there's a 2nd binding (Qcom GENI) doing swapping. So can you use 'rx-tx-swap' instead. Rob
diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index 08b499045a38..cbfa1f9f4b17 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -24,6 +24,7 @@ Optional properties: - pinctrl-n: Phandle(s) pointing to pin configuration nodes. For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt - st,hw-flow-ctrl: bool flag to enable hardware flow control. +- st,swap: bool flag to swap RX and TX pins. - 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
Add new st,swap property to allow for RX & TX pin swapping. Signed-off-by: Martin Devera <devik@eaxlabs.cz> --- Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 1 + 1 file changed, 1 insertion(+)