From: Sascha Hauer <sha@pengutronix.de>
To: Renaud Barbier <Renaud.Barbier@ametek.com>
Cc: Barebox List <barebox@lists.infradead.org>
Subject: Re: Device tree probe order
Date: Thu, 16 Nov 2023 08:56:10 +0100 [thread overview]
Message-ID: <20231116075610.GI3359458@pengutronix.de> (raw)
In-Reply-To: <BL0PR07MB566525C65379702E930F2E99ECB1A@BL0PR07MB5665.namprd07.prod.outlook.com>
Hi Renauld,
On Wed, Nov 15, 2023 at 04:47:03PM +0000, Renaud Barbier wrote:
> We have a board based on the LS1026A with a boot SPI NOR on the QSPI
> controller and FRAM on the DSPI controller. Currently, the DSPI is
> being probed first and got the device node /dev/m25p0. The boot SPI
> get /dev/m25p1.
>
> I would like the QSPI NOR to be assigned to /dev/m25p0 and the FRAM
> to /dev/m25p1.
>
> Is it possible to change the probing order or the device node
> assignment?
You can create aliases in the device tree for both flashes, see
drivers/mtd/devices/m25p80.c:258:
if (dev->of_node)
flash_name = of_alias_get(dev->of_node);
Sascha
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next prev parent reply other threads:[~2023-11-16 7:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-15 16:47 Renaud Barbier
2023-11-16 7:56 ` Sascha Hauer [this message]
2023-11-16 9:23 ` Renaud Barbier
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