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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-10 15:21:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-10 15:21:55 +0200
commitf78a8236c6502760705399dfa42e22ab11aa1e6b (patch)
treed965f09daff0d531c63e35c764e7061f9c43afe7 /drivers/mmc/host/sdhci-of-at91.c
parent6cb3d05f3030deed157c9bbada5c58e7ee0f5172 (diff)
parent39da7c509acff13fc8cb12ec1bb20337c988ed36 (diff)
Merge 4.11-rc6 into staging-next
We want the staging and iio fixes in here to handle merging easier. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-of-at91.c')
-rw-r--r--drivers/mmc/host/sdhci-of-at91.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index 7fd964256faa..d5430ed02a67 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -29,6 +29,8 @@
#include "sdhci-pltfm.h"
+#define SDMMC_MC1R 0x204
+#define SDMMC_MC1R_DDR BIT(3)
#define SDMMC_CACR 0x230
#define SDMMC_CACR_CAPWREN BIT(0)
#define SDMMC_CACR_KEY (0x46 << 8)
@@ -103,11 +105,18 @@ static void sdhci_at91_set_power(struct sdhci_host *host, unsigned char mode,
sdhci_set_power_noreg(host, mode, vdd);
}
+void sdhci_at91_set_uhs_signaling(struct sdhci_host *host, unsigned int timing)
+{
+ if (timing == MMC_TIMING_MMC_DDR52)
+ sdhci_writeb(host, SDMMC_MC1R_DDR, SDMMC_MC1R);
+ sdhci_set_uhs_signaling(host, timing);
+}
+
static const struct sdhci_ops sdhci_at91_sama5d2_ops = {
.set_clock = sdhci_at91_set_clock,
.set_bus_width = sdhci_set_bus_width,
.reset = sdhci_reset,
- .set_uhs_signaling = sdhci_set_uhs_signaling,
+ .set_uhs_signaling = sdhci_at91_set_uhs_signaling,
.set_power = sdhci_at91_set_power,
};