From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Drew Fustini <pdp7pdp7@gmail.com>
Cc: Drew Fustini <drew@beagleboard.org>,
linux-can@vger.kernel.org, Josh S <josh@macchina.cc>
Subject: Re: mcp251xfd on RPi 5.4 downstream
Date: Fri, 20 Nov 2020 14:16:21 +0100 [thread overview]
Message-ID: <c181762b-b6f8-b5be-bad1-a29e274b60cf@pengutronix.de> (raw)
In-Reply-To: <CAEf4M_B68X2T0rkaq0tqahBFPc+Gbvac7-+G0j5jd-g4j+j01g@mail.gmail.com>
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On 11/20/20 2:09 PM, Drew Fustini wrote:
> Note: It's only one overlay that can be used multiple times, here for a
> mcp251xfd on spi0/cs0 and one one spi0/cs1:
>
> > dtoverlay=mcp251xfd,spi0-0,interrupt=25,rx_interrupt=27
> > dtoverlay=mcp251xfd,spi0-1,interrupt=5,rx_interrupt=13
>
> For devices on spi1 or spi2, the interfaces should be enabled with one of the
> spi1-1/2/3cs and/or spi2-1/2/3cs overlays.
>
> Is it possible to specify gpio pin for CS in dtoverlay?
Let me see....Untested example though :D
enable spi1 with 2 chip selects, use pin 23 for CS0 and pin 42 for CS1:
| dtoverlay=spi1-2cs,cs0_pin=23,cs1_pin=42
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
Vertretung West/Dortmund | Phone: +49-231-2826-924 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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prev parent reply other threads:[~2020-11-20 13:16 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-22 3:10 mcp251xfd on RPi 5.4 downstream Drew Fustini
2020-10-22 6:00 ` Drew Fustini
2020-10-22 6:33 ` Marc Kleine-Budde
2020-10-22 18:42 ` Drew Fustini
2020-10-25 4:30 ` Drew Fustini
2020-10-25 8:49 ` Oliver Hartkopp
2020-10-25 10:58 ` Marc Kleine-Budde
2020-10-25 17:43 ` Patrick Menschel
2020-10-25 18:14 ` Marc Kleine-Budde
2020-10-25 18:42 ` Patrick Menschel
2020-10-26 1:59 ` Drew Fustini
2020-10-26 2:50 ` Drew Fustini
2020-10-26 5:16 ` Patrick Menschel
2020-10-26 7:45 ` Marc Kleine-Budde
2020-10-26 9:40 ` Marc Kleine-Budde
2020-10-26 16:51 ` Patrick Menschel
2020-10-26 17:00 ` Marc Kleine-Budde
2020-10-27 2:22 ` Drew Fustini
2020-10-27 6:35 ` Drew Fustini
2020-10-27 7:06 ` Marc Kleine-Budde
2020-10-27 18:18 ` Patrick Menschel
2020-10-27 18:22 ` Marc Kleine-Budde
2020-10-28 1:57 ` Drew Fustini
2020-10-28 3:47 ` Drew Fustini
2020-10-28 7:57 ` Marc Kleine-Budde
2020-10-31 12:27 ` Drew Fustini
2020-10-31 15:14 ` Patrick Menschel
2020-10-31 15:35 ` Patrick Menschel
2020-10-31 21:57 ` Drew Fustini
2020-11-01 22:49 ` Drew Fustini
2020-11-02 7:25 ` Marc Kleine-Budde
2020-11-02 8:18 ` Marc Kleine-Budde
[not found] ` <CAPgEAj7LcX3cb+syhtR1i3Uo1XkYYFQ_wDPV8GniaA-YwPk2Hg@mail.gmail.com>
2020-11-02 11:00 ` Marc Kleine-Budde
[not found] ` <CAPgEAj7BTJyiBg4QkKuekYH0zyrA-10dby3Lgb5qj2uiD4ZOYQ@mail.gmail.com>
2020-11-02 14:22 ` mcp251xfd: loopback test on waveshare canfd hat Marc Kleine-Budde
2020-11-02 14:35 ` Drew Fustini
2020-11-02 14:38 ` Marc Kleine-Budde
2020-11-02 17:34 ` mcp251xfd on RPi 5.4 downstream Patrick Menschel
2020-11-02 18:47 ` Patrick Menschel
2020-11-02 18:57 ` Thomas.Kopp
2020-11-02 19:32 ` Patrick Menschel
2020-11-04 18:48 ` Patrick Menschel
2020-11-05 7:15 ` Marc Kleine-Budde
2020-11-05 18:11 ` Patrick Menschel
2020-11-06 9:00 ` Marc Kleine-Budde
2020-11-06 11:31 ` Patrick Menschel
2020-11-06 11:36 ` Marc Kleine-Budde
2020-11-06 11:46 ` Patrick Menschel
2020-11-05 8:08 ` Marc Kleine-Budde
2020-11-05 8:07 ` Marc Kleine-Budde
2020-11-02 7:55 ` Marc Kleine-Budde
2020-11-02 7:26 ` Marc Kleine-Budde
2020-10-26 7:43 ` Marc Kleine-Budde
2020-11-20 12:32 ` Marc Kleine-Budde
[not found] ` <CAEf4M_B68X2T0rkaq0tqahBFPc+Gbvac7-+G0j5jd-g4j+j01g@mail.gmail.com>
2020-11-20 13:16 ` Marc Kleine-Budde [this message]
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