bindings/serial/rs485.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   direction for the built-in half-duplex mode. The properties described
11   hereafter shall be given to a half-duplex capable UART node.
14   - Rob Herring <robh@kernel.org>
17   rs485-rts-delay:
18     description: prop-encoded-array <a b>
19     $ref: /schemas/types.yaml#/definitions/uint32-array
21       - description: Delay between rts signal and beginning of data sent in
25       - description: Delay between end of data sent and rts signal in milliseconds.
31   rs485-rts-active-high:
32     description: drive RTS high when sending (this is the default).
35   rs485-rts-active-low:
36     description: drive RTS low when sending (default is high).
39   rs485-rx-active-high:
41       True indicates active high (default is low).
44   linux,rs485-enabled-at-boot-time:
49   rs485-rx-during-tx:
53   rs485-term-gpios:
57   rs485-rx-during-tx-gpios:
58     description: Output GPIO pin that sets the state of rs485-rx-during-tx. This
60       the active state enables RX during TX.