| Message ID | 20221026165049.9541-2-cniedermaier@dh-electronics.com |
|---|---|
| State | New |
| Headers | show |
| Series | tty: serial: Add ability to control rs485 RX_DURING_TX via a GPIO | expand |
diff --git a/Documentation/devicetree/bindings/serial/rs485.yaml b/Documentation/devicetree/bindings/serial/rs485.yaml index 90a1bab40f05..0ebd7690f85d 100644 --- a/Documentation/devicetree/bindings/serial/rs485.yaml +++ b/Documentation/devicetree/bindings/serial/rs485.yaml @@ -51,6 +51,10 @@ properties: description: GPIO pin to enable RS485 bus termination. maxItems: 1 + rs485-rx-during-tx-gpios: + description: GPIO pin to control RS485 Rx enable during Tx. + maxItems: 1 + additionalProperties: true ...
Add the binding for a generic definition of a GPIO, that controls whether Rx is connected or disconnected by an electrical circuit to have the ability to receive the signals on the bus during sending or disable receiving during sending. Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com> --- Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> Cc: Marek Vasut <marex@denx.de> Cc: devicetree@vger.kernel.org To: linux-serial@vger.kernel.org To: linux-arm-kernel@lists.infradead.org --- Documentation/devicetree/bindings/serial/rs485.yaml | 4 ++++ 1 file changed, 4 insertions(+)