From f84e411c85be2c3de094994e8ad2325b5631a3f6 Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Mon, 22 Jul 2019 08:23:23 +0200 Subject: [PATCH] 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 Reviewed-by: Matthias Brugger Signed-off-by: Ulf Hansson --- drivers/mmc/host/sdhci-iproc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c index 2feb4ef32035..2b9cdcd1dd9d 100644 --- 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 }, { }