From 6dad6c9594577969f6d74ca1b344e00314bb3b64 Mon Sep 17 00:00:00 2001 From: Seungwon Jeon Date: Fri, 14 Mar 2014 21:12:13 +0900 Subject: [PATCH] mmc: mmci: clarify DDR timing mode between SD-UHS and eMMC Added MMC_DDR52 as eMMC's DDR mode distinguished from SD-UHS. CC: Russell King Signed-off-by: Seungwon Jeon Signed-off-by: Ulf Hansson Signed-off-by: Chris Ball --- drivers/mmc/host/mmci.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 771c60ab4a32..7e853932393b 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; /* -- 2.20.1