From adebb98ba12008021e75a2881deb424db0184770 Mon Sep 17 00:00:00 2001 From: Kuo-Jung Su Date: Mon, 25 Nov 2013 10:51:41 +0800 Subject: mmc: add Faraday FTSDC021 SDHCI controller support Faraday FTSDC021 is a controller which is compliant with SDHCI v3.0, SDIO v2.0 and MMC v4.3. However this driver is only verified with SD memory cards. Signed-off-by: Kuo-Jung Su Acked-by: Pantelis Antoniou CC: Andy Fleming --- drivers/mmc/Makefile | 1 + drivers/mmc/ftsdc021_sdhci.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) create mode 100644 drivers/mmc/ftsdc021_sdhci.c (limited to 'drivers') diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index a7ae38dadc..1ed26cab34 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_BFIN_SDH) += bfin_sdh.o obj-$(CONFIG_DAVINCI_MMC) += davinci_mmc.o obj-$(CONFIG_FSL_ESDHC) += fsl_esdhc.o obj-$(CONFIG_FTSDC010) += ftsdc010_mci.o +obj-$(CONFIG_FTSDC021) += ftsdc021_sdhci.o obj-$(CONFIG_GENERIC_MMC) += mmc.o obj-$(CONFIG_GENERIC_ATMEL_MCI) += gen_atmel_mci.o obj-$(CONFIG_MMC_SPI) += mmc_spi.o diff --git a/drivers/mmc/ftsdc021_sdhci.c b/drivers/mmc/ftsdc021_sdhci.c new file mode 100644 index 0000000000..1f6cdba173 --- /dev/null +++ b/drivers/mmc/ftsdc021_sdhci.c @@ -0,0 +1,33 @@ +/* + * (C) Copyright 2013 Faraday Technology + * Kuo-Jung Su + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +#ifndef CONFIG_FTSDC021_CLOCK +#define CONFIG_FTSDC021_CLOCK clk_get_rate("MMC") +#endif + +int ftsdc021_sdhci_init(u32 regbase) +{ + struct sdhci_host *host = NULL; + uint32_t freq = CONFIG_FTSDC021_CLOCK; + + host = calloc(1, sizeof(struct sdhci_host)); + if (!host) { + puts("sdh_host malloc fail!\n"); + return 1; + } + + host->name = "FTSDC021"; + host->ioaddr = (void __iomem *)regbase; + host->quirks = 0; + add_sdhci(host, freq, 0); + + return 0; +} -- cgit v1.2.1