// 8250-omap: // XXX rs485 properties ignored by 8250 in kernel 4.19 ... has this been fixed yet? rts-gpios = GPIO; // optional, requires kernel 5.3 or later rs485-rts-active-low; // optional (boolean). contrary to the name, this makes rts active-high. // omap-serial: rts-gpio = GPIO; // required rs485-rts-active-high; // optional (boolean). contrary to the name, this makes rts active-low // common: rs485-rts-delay = <DELAY_BEFORE_SEND DELAY_AFTER_SEND>; // optional rs485-rx-during-tx; // optional (boolean) linux,rs485-enabled-at-boot-time; // optional (boolean)
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