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mmc: Add support for enumerating MMC card in a given mode using mmc command

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Add support for enumerating MMC card in a given mode using mmc rescan and
mmc dev commands. The speed mode is provided as the last argument in these
commands and is indicated using the index from enum bus_mode in
include/mmc.h. A speed mode can be set only if it has already been enabled
in the device tree.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Aswath Govindraju
2021-08-13 23:04:41 +05:30
committed by Peng Fan
parent 4a3ea75de4
commit 19f7a34a46
5 changed files with 81 additions and 10 deletions
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2
include/mmc.h
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@@ -726,6 +726,8 @@ struct mmc {
*/
u32 quirks;
u8 hs400_tuning;
enum bus_mode user_speed_mode; /* input speed mode from user */
};
#if CONFIG_IS_ENABLED(DM_MMC)