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mmc: sdhci-iproc: Add support for emmc2 of the BCM2711 

The additional emmc2 interface of the BCM2711 is an improved version
of the old emmc controller, which is able to provide DDR50 mode on the
Raspberry Pi 4. Except 32 bit only register access no other quirks are
known yet.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Stefan Wahren 2019-07-22 08:23:23 +02:00 committed by Ulf Hansson
parent 3aacc5bba7
commit f84e411c85
1 changed files with 9 additions and 0 deletions
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9
drivers/mmc/host/sdhci-iproc.c
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@ -261,8 +261,17 @@ static const struct sdhci_iproc_data bcm2835_data = {
.mmc_caps = 0x00000000,
};
static const struct sdhci_pltfm_data sdhci_bcm2711_pltfm_data = {
.ops = &sdhci_iproc_32only_ops,
};
static const struct sdhci_iproc_data bcm2711_data = {
.pdata = &sdhci_bcm2711_pltfm_data,
};
static const struct of_device_id sdhci_iproc_of_match[] = {
{ .compatible = "brcm,bcm2835-sdhci", .data = &bcm2835_data },
{ .compatible = "brcm,bcm2711-emmc2", .data = &bcm2711_data },
{ .compatible = "brcm,sdhci-iproc-cygnus", .data = &iproc_cygnus_data},
{ .compatible = "brcm,sdhci-iproc", .data = &iproc_data },
{ }