From: Sascha Hauer <s.hauer@pengutronix.de>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH fixup v1] of: base: register DT root as device
Date: Wed, 12 Aug 2020 11:42:45 +0200 [thread overview]
Message-ID: <20200812094245.GQ9475@pengutronix.de> (raw)
In-Reply-To: <20200812085552.12688-1-o.rempel@pengutronix.de>
On Wed, Aug 12, 2020 at 10:55:52AM +0200, Oleksij Rempel wrote:
> A usual board file contains at least one of_machine_is_compatible().
> Some of the have a rather long list with complicated version logic.
>
> To avoid own implementation for driver management, register the root node
> of device tree as platform device. So, the main platform bus can attach
> proper board driver. After this patch a typical board.c file can reuse
> existing driver infrastructure.
>
> After this patch, you will be able to see all registered board drivers
> with drvinfo as fallow:
> ...
> board-embest-riot
> board-protonic-imx6
> dt-root.of
> ...
>
> With devinfo, you'll be able to get some board specific information,
> if this is implemented:
> barebox@Protonic PRTI6Q board:/ devinfo dt-root.of
> Driver: board-protonic-imx6
> Bus: platform
> Parameters:
> boardid: 0 (type: uint32)
> boardrev: 1 (type: uint32)
>
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
> drivers/of/base.c | 2 ++
> drivers/of/platform.c | 5 +++++
> 2 files changed, 7 insertions(+)
Replaced original patch with this one.
Sascha
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next prev parent reply other threads:[~2020-08-12 9:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-12 8:55 Oleksij Rempel
2020-08-12 9:42 ` Sascha Hauer [this message]
2020-08-12 12:40 ` Ahmad Fatoum
2020-08-12 13:08 ` Ahmad Fatoum
2020-08-12 15:13 ` Oleksij Rempel
2020-08-12 15:37 ` Ahmad Fatoum
2020-08-12 16:11 ` Oleksij Rempel
2020-08-12 18:15 ` Ahmad Fatoum
2020-08-12 18:24 ` Lucas Stach
2020-08-13 4:45 ` Oleksij Rempel
2020-08-17 4:45 ` Sascha Hauer
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