1 # SPDX-License-Identifier: GPL-2.0
4 $id: http://devicetree.org/schemas/serial/rs485.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RS485 serial communications Bindings
9 description: The RTS signal is capable of automatically controlling line
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>
18 description: prop-encoded-array <a b>
20 - $ref: /schemas/types.yaml#/definitions/uint32-array
24 Delay between rts signal and beginning of data sent in milliseconds.
25 It corresponds to the delay before sending data.
29 Delay between end of data sent and rts signal in milliseconds.
30 It corresponds to the delay after sending data and actual release of the line.
35 description: drive RTS low when sending (default is high).
36 $ref: /schemas/types.yaml#/definitions/flag
38 linux,rs485-enabled-at-boot-time:
39 description: enables the rs485 feature at boot time. It can be disabled
40 later with proper ioctl.
41 $ref: /schemas/types.yaml#/definitions/flag
44 description: enables the receiving of data even while sending data.
45 $ref: /schemas/types.yaml#/definitions/flag