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1 # SPDX-License-Identifier: GPL-2.03 ---4 $id: http://devicetree.org/schemas/serial/rs485.yaml#5 $schema: http://devicetree.org/meta-schemas/core.yaml#7 title: RS485 serial communications10 direction for the built-in half-duplex mode. The properties described11 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>[all …]
2 RS485 Serial Communications8 EIA-485, also known as TIA/EIA-485 or RS-485, is a standard defining the15 2. Hardware-related Considerations18 Some CPUs/UARTs (e.g., Atmel AT91 or 16C950 UART) contain a built-in19 half-duplex mode capable of automatically controlling line direction by21 half-duplex hardware like an RS485 transceiver or any RS232-connected22 half-duplex devices like some modems.26 available at user-level to allow switching from one mode to the other, and32 The Linux kernel provides the struct serial_rs485 to handle RS48533 communications. This data structure is used to set and configure RS485[all …]