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>

diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
index 2feb4ef32035ad6fcb6fe3742163afe7c4478ccb..2b9cdcd1dd9dd6ffaa458ebd6f7fdc908a6954cf 100644 (file)
--- a/drivers/mmc/host/sdhci-iproc.c
+++ b/drivers/mmc/host/sdhci-iproc.c
@@ -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 },
        { }