[PATCH] ARM: dts: bcm2711: Use bcm2711 compatible for sdhci

Nicolas Saenz Julienne nsaenzjulienne at suse.de
Mon Jan 20 03:03:51 PST 2020


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 at 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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