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authorPhilip Rakity <prakity@marvell.com>2011-05-13 07:47:18 +0200
committerChris Ball <cjb@laptop.org>2011-05-25 05:53:58 +0200
commit4c4cb171054230c2e58ed6574d7faa1871c75bbe (patch)
tree8ba336234def08a99ae98d29047da69de41cdcb0 /include
parentmmc: core: eMMC signal voltage does not use CMD11 (diff)
downloadlinux-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.h1
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) */