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mmc: dw_mmc: support 8-bit buswidth

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This patch adds support for 8-bit buswidth.
dw_mmc can use 8-bit buswidth and set to CTYPE_8BIT in card-type register.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Jaehoon Chung 2011-02-17 16:12:38 +09:00 committed by Chris Ball
parent 37b7785e3a
commit c9b2a06fb0
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/host/dw_mmc.c
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@ -673,6 +673,9 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
case MMC_BUS_WIDTH_4:
slot->ctype = SDMMC_CTYPE_4BIT;
break;
case MMC_BUS_WIDTH_8:
slot->ctype = SDMMC_CTYPE_8BIT;
break;
}
if (ios->clock) {