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From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Stephen Brennan <stephen@brennan.io>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Rob Herring <robh+dt@kernel.org>,
	bcm-kernel-feedback-list@broadcom.com,
	linux-rpi-kernel@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: bcm2711: Use bcm2711 compatible for sdhci
Date: Mon, 20 Jan 2020 12:03:51 +0100	[thread overview]
Message-ID: <936f10bbeca467ea8ebc669280a50c688730689d.camel@suse.de> (raw)
In-Reply-To: <20200120041740.193485-1-stephen@brennan.io>


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Hi Stephen,

On Sun, 2020-01-19 at 20:17 -0800, Stephen Brennan wrote:
> When booting Raspberry Pi 4B using a micro SDHC UHS class 1 card, the SD
> card partitions never appear in /dev.  According to the device tree
> bindings for Broadcom IPROC SDHCI controller, we should use
> "brcm,bcm2711-emmc2" compatible string on BCM2711. Set this compatible
> string, which allows these cards to be mounted.
> 
> Signed-off-by: Stephen Brennan <stephen@brennan.io>

Your UHS class 1 card should work out of the box using the current kernel
version. Note that the device node is defined here:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/bcm2711.dtsi?h=v5.5-rc7#n255

and enabled here:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/bcm2711-rpi-4-b.dts?h=v5.5-rc7#n98

Regards,
Nicolas


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  parent reply	other threads:[~2020-01-20 11:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-20  4:17 [PATCH] ARM: dts: bcm2711: Use bcm2711 compatible for sdhci Stephen Brennan
2020-01-20  8:59 ` Matthias Brugger
2020-01-20 11:03 ` Nicolas Saenz Julienne [this message]
2020-01-20 19:59   ` Stephen Brennan
2020-01-20 20:01     ` Nicolas Saenz Julienne

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