diff options
author | Philip Rakity <prakity@marvell.com> | 2011-05-13 07:47:18 +0200 |
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committer | Chris Ball <cjb@laptop.org> | 2011-05-25 05:53:58 +0200 |
commit | 4c4cb171054230c2e58ed6574d7faa1871c75bbe (patch) | |
tree | 8ba336234def08a99ae98d29047da69de41cdcb0 /include | |
parent | mmc: core: eMMC signal voltage does not use CMD11 (diff) | |
download | linux-4c4cb171054230c2e58ed6574d7faa1871c75bbe.tar.xz linux-4c4cb171054230c2e58ed6574d7faa1871c75bbe.zip |
mmc: core: add support for eMMC Dual Data Rate
eMMC voltage change not required for 1.8V. 3.3V and 1.8V vcc
are capable of doing DDR. vccq of 1.8v is not required.
Signed-off-by: Philip Rakity <prakity@marvell.com>
Reviewed-by: Arindam Nath <arindam.nath@amd.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mmc/host.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 6716bd12eccd..de32e6aa018a 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -66,6 +66,7 @@ struct mmc_ios { #define MMC_SIGNAL_VOLTAGE_330 0 #define MMC_SIGNAL_VOLTAGE_180 1 +#define MMC_SIGNAL_VOLTAGE_120 2 unsigned char drv_type; /* driver type (A, B, C, D) */ |