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authorSascha Hauer <s.hauer@pengutronix.de>2013-01-21 19:02:28 +0800
committerChris Ball <cjb@laptop.org>2013-02-24 14:37:03 -0500
commitaf51079e68d4759e458b0592df5d1fab373c43ae (patch)
tree937bb9166c549ab3ebfbdb19c8dc63e76f904584 /Documentation
parentmmc: sdhci: rename platform_8bit_width to platform_bus_width (diff)
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mmc: sdhci-esdhc-imx: support 8bit mode
The i.MX esdhc has a nonstandard bit layout for the SDHCI_HOST_CONTROL register. To support 8bit bus width on i.MX populate the platform_bus_width callback. This is tested on an i.MX25, but should according to the datasheets work on the other i.MX using this hardware aswell. The i.MX6, while having a SDHCI_SPEC_300 controller, still uses the same nonstandard register layout. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Tested-by: Dirk Behme <dirk.behme@de.bosch.com> Signed-off-by: Chris Ball <cjb@laptop.org>
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