Messages in this thread | | | Date | Fri, 13 Oct 2023 13:17:37 +0200 | From | m.brock@vanmierl ... | Subject | Re: [PATCH V2 1/2] dt-bindings: Add optional gpio property to uartps node to support rs485 |
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Rob Herring wrote on 2023-10-12 22:51: >> How about introducing an rs485 generic gpios property instead of xlnx >> private one? See also rs485-term-gpios and rs485-rx-during-tx-gpios. >> >> Also note that every kernel driver expects to use RTS for this >> purpose. >> So why not give this driver the option to choose a gpio instead of its >> native RTS? And from there on use the rts route? >> What if someone wants to use normal (non-rs485) RTS on a GPIO instead >> of the native pin? >> >> @Rob Herring >> I am curious to know how the rs485 maintainers look at this. > > Ask them.
Funny, your name is the only one listed under the maintainers in Documentation/devicetree/bindings/serial/rs485.yaml
And there is no mention of (RS-)485 in MAINTAINERS.
> We already have 'rts-gpios'. If that's what's always used, then perhaps > we should use that in the RS485 case too? > > Rob
Sounds like a good idea.
Maarten
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