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49cbcfb5e6
nuttx/drivers/mmcsd
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Windrow14 49cbcfb5e6 drivers/mmcsd/mmcsd.h|mmcsd_sdio.c|mmcsd_sdio.h: support MMC high speed SDR mode 
According to the eMMC specification, in Backwards Compatibility
with legacy MMC card mode, the frequency of the SD clock must be
0-26 MHZ; in high speed SDR mode, it must be 0-52MHZ. So we should
switch to high speed SDR mode if the clock frequency is higher than
26MHZ.

Signed-off-by: Yinzhe Wu <Yinzhe.Wu@sony.com>
Reviewed-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Jacky Cao <Jacky.Cao@sony.com>
Tested-by: Yinzhe Wu <Yinzhe.Wu@sony.com>
2024-08-19 19:52:39 +08:00
..
CMakeLists.txt mmcsd: support dump cid and csd with mmc-utils 2023-09-21 22:40:39 +08:00
Kconfig mmcsd: support dump cid and csd with mmc-utils 2023-09-21 22:40:39 +08:00
Make.defs mmcsd: support dump cid and csd with mmc-utils 2023-09-21 22:40:39 +08:00
mmcsd_csd.h
mmcsd_debug.c Fix mmcsd/mmcsd_debug.c:110:9: error: format '%d' expects argument of type 'int', but argument 3 has type 'long unsigned int' 2023-09-25 01:10:00 +03:00
mmcsd_procfs.c fs: procfs add poll support 2023-12-26 19:23:13 -08:00
mmcsd_sdio.c drivers/mmcsd/mmcsd.h|mmcsd_sdio.c|mmcsd_sdio.h: support MMC high speed SDR mode 2024-08-19 19:52:39 +08:00
mmcsd_sdio.h drivers/mmcsd/mmcsd.h|mmcsd_sdio.c|mmcsd_sdio.h: support MMC high speed SDR mode 2024-08-19 19:52:39 +08:00
mmcsd_spi.c inode/i_private: remove all unnecessary cast for i_private 2023-08-29 08:58:07 +02:00
mmcsd_spi.h
mmcsd.h drivers/mmcsd/mmcsd.h|mmcsd_sdio.c|mmcsd_sdio.h: support MMC high speed SDR mode 2024-08-19 19:52:39 +08:00
sdio.c