Added MMC_DDR52 as eMMC's DDR mode distinguished from SD-UHS.
CC: Russell King <li...@arm.linux.org.uk>
Signed-off-by: Seungwon Jeon <tgih....@samsung.com>
---
drivers/mmc/host/mmci.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index f320579..92d40be 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -299,7 +299,8 @@ static void mmci_set_clkreg(struct mmci_host *host,
unsigned int desired)
if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8)
clk |= MCI_ST_8BIT_BUS;
- if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50)
+ if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 ||
+ host->mmc->ios.timing == MMC_TIMING_MMC_DDR52)
clk |= MCI_ST_UX500_NEG_EDGE;
mmci_write_clkreg(host, clk);
@@ -784,7 +785,8 @@ static void mmci_start_data(struct mmci_host *host, struct
mmc_data *data)
mmci_write_clkreg(host, clk);
}
- if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50)
+ if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 ||
+ host->mmc->ios.timing == MMC_TIMING_MMC_DDR52)
datactrl |= MCI_ST_DPSM_DDRMODE;
/*
--
1.7.0.4
--
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