diff options
| author | Maurice Petallo <mauricex.r.petallo@intel.com> | 2014-07-08 19:11:01 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-07-10 14:58:29 +0200 |
| commit | f25c33724d1512a72554c0ad4cb70b43ba15374e (patch) | |
| tree | 05aef5afbddc4d01c5facc90246293864f44e4dc /drivers/mmc | |
| parent | d61b59461b0cd0106f03e566d537b9072029e059 (diff) | |
| download | linux-stable-f25c33724d1512a72554c0ad4cb70b43ba15374e.tar.gz linux-stable-f25c33724d1512a72554c0ad4cb70b43ba15374e.tar.bz2 linux-stable-f25c33724d1512a72554c0ad4cb70b43ba15374e.zip | |
mmc: sdhci: add DDR50 1.8V mode support for BayTrail eMMC Controller
This is to enable DDR50 bus speed mode with 1.8V signaling capability
for BayTrail ACPI and PCI mode eMMC Controller.
Signed-off-by: Maurice Petallo <mauricex.r.petallo@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-acpi.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 840788ebdc7f..8c5337002c51 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -124,7 +124,8 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = { static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = { .chip = &sdhci_acpi_chip_int, - .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | MMC_CAP_HW_RESET, + .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | + MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR, .caps2 = MMC_CAP2_HC_ERASE_SZ, .flags = SDHCI_ACPI_RUNTIME_PM, .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index dc336ee6751e..42f4633d0060 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -268,7 +268,7 @@ static void sdhci_pci_int_hw_reset(struct sdhci_host *host) static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) { slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | - MMC_CAP_HW_RESET; + MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR; slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; slot->hw_reset = sdhci_pci_int_hw_reset; return 0; |