Provide human readable descriptions of the speed nodes instead of the name of constants from the code.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- doc/usage/mmc.rst | 36 ++++++++++++++++++++---------------- 1 file changed, 20 insertions(+), 16 deletions(-)
diff --git a/doc/usage/mmc.rst b/doc/usage/mmc.rst index d15b151884..02b5d7b1c7 100644 --- a/doc/usage/mmc.rst +++ b/doc/usage/mmc.rst @@ -51,22 +51,26 @@ The 'mmc rescan' command scans the available MMC device.
mode speed mode to set. - CONFIG_MMC_SPEED_MODE_SET should be enabled. The required speed mode is - passed as the index from the following list. - - 0 - MMC_LEGACY - 1 - MMC_HS - 2 - SD_HS - 3 - MMC_HS_52 - 4 - MMC_DDR_52 - 5 - UHS_SDR12 - 6 - UHS_SDR25 - 7 - UHS_SDR50 - 8 - UHS_DDR50 - 9 - UHS_SDR104 - 10 - MMC_HS_200 - 11 - MMC_HS_400 - 12 - MMC_HS_400_ES + CONFIG_MMC_SPEED_MODE_SET should be enabled. The requested speed mode is + passed as a decimal number according to the following table: + + ========== ========================== + Speed mode Description + ========== ========================== + 0 MMC legacy + 1 MMC High Speed (26MHz) + 2 SD High Speed (50MHz) + 3 MMC High Speed (52MHz) + 4 MMC DDR52 (52MHz) + 5 UHS SDR12 (25MHz) + 6 UHS SDR25 (50MHz) + 7 UHS SDR50 (100MHz) + 8 UHS DDR50 (50MHz) + 9 UHS SDR104 (208MHz) + 10 HS200 (200MHz) + 11 HS400 (200MHz) + 12 HS400ES (200MHz) + ========== ==========================
A speed mode can be set only if it has already been enabled in the device tree