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From: Patrick Menschel <menschel.p@posteo.de>
To: kernel@martin.sperl.org
Cc: linux-can@vger.kernel.org, devicetree <devicetree@vger.kernel.org>
Subject: Re: [PATCH 1/2] dt-binding: can: mcp2517fd: document device tree bindings
Date: Thu, 30 Nov 2017 18:49:08 +0100	[thread overview]
Message-ID: <1ac487f7-17e3-c8a0-0f99-8138fe867373@posteo.de> (raw)
In-Reply-To: <F6036A58-9E98-4A62-950E-3396C9EE636E@martin.sperl.org>

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Am 30.11.2017 um 17:58 schrieb kernel@martin.sperl.org:
>
>> drivers/tty/serial/max310x.c
>> Documentation/devicetree/bindings/serial/maxim,max310x.txt
>> Look for "#ifdef CONFIG_GPIOLIB”.
> This is a gpio-controller, for which this is what I would implement.
>
Hi,

you are mistaken about that, max310x chips are spi to uart bridges with
strong ties to rs485 which is very similar to CAN except for the missing
arbitration in hardware. Max14830 has GPIOs with clocking support, so
this chip's driver also fused the main function with secondary gpio
functions.
https://datasheets.maximintegrated.com/en/ds/MAX14830.pdf

Anyway I'm curious what is best practice for this sort of configuration.

Regards,
Patrick


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  reply	other threads:[~2017-11-30 17:49 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-24 18:35 [PATCH 0/2] Microchip mcp2517fd can controller driver kernel-TqfNSX0MhmxHKSADF0wUEw
     [not found] ` <20171124183509.12810-1-kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2017-11-24 18:35   ` [PATCH 1/2] dt-binding: can: mcp2517fd: document device tree bindings kernel-TqfNSX0MhmxHKSADF0wUEw
     [not found]     ` <20171124183509.12810-2-kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2017-11-26 22:28       ` Rob Herring
2017-11-29 11:55         ` kernel
     [not found]           ` <6EBDD798-8632-4F42-A138-369BCD36DF68-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2017-11-29 20:35             ` Patrick Menschel
2017-11-30  7:24               ` kernel
     [not found]                 ` <612BB6CD-5330-40B8-A854-FD065E0A3331-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2017-11-30 16:44                   ` Patrick Menschel
     [not found]                     ` <6aea8071-dc21-4ba7-2b2f-5af41b5755a5-1KBjaw7Xf1+zQB+pC5nmwQ@public.gmane.org>
2017-11-30 16:58                       ` kernel-TqfNSX0MhmxHKSADF0wUEw
2017-11-30 17:49                         ` Patrick Menschel [this message]
     [not found]                           ` <1ac487f7-17e3-c8a0-0f99-8138fe867373-1KBjaw7Xf1+zQB+pC5nmwQ@public.gmane.org>
2017-12-05 10:26                             ` Martin Sperl
     [not found]                               ` <d79ee9eb-8b36-0086-8d76-ec6bca224fe5@posteo.de>
     [not found]                                 ` <d79ee9eb-8b36-0086-8d76-ec6bca224fe5-1KBjaw7Xf1+zQB+pC5nmwQ@public.gmane.org>
2017-12-17 14:34                                   ` kernel-TqfNSX0MhmxHKSADF0wUEw
     [not found]                                     ` <4E2DB518-A148-46CE-8267-73D292991BD2-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2017-12-22 15:50                                       ` Patrick Menschel
2017-11-24 18:35   ` [PATCH 2/2] can: mcp2517fd: Add Microchip mcp2517fd CAN FD driver kernel-TqfNSX0MhmxHKSADF0wUEw
     [not found]     ` <20171124183509.12810-3-kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2017-11-30 13:04       ` Marc Kleine-Budde
     [not found]         ` <ff920dd7-4535-dcaa-27f9-57844ce66c7b-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2017-12-03 18:34           ` kernel-TqfNSX0MhmxHKSADF0wUEw
2017-11-25 12:03 ` [PATCH 0/2] Microchip mcp2517fd can controller driver Oliver Hartkopp
2017-11-25 14:47   ` kernel
2017-11-26 12:38     ` Oliver Hartkopp
2017-11-26 15:43       ` kernel
2017-11-26 16:18     ` Wolfgang Grandegger
2017-11-26 18:29       ` kernel
2017-11-26 19:05         ` Wolfgang Grandegger
2017-11-26 19:53           ` kernel

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