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| author | Seungwon Jeon <tgih.jun@samsung.com> | 2014-04-23 10:15:08 +0200 |
|---|---|---|
| committer | Chris Ball <chris@printf.net> | 2014-05-13 00:08:10 +0200 |
| commit | c373eb489b27b268c9b8c267b212d10864bc8cdd (patch) | |
| tree | 4b12ba22b66763b392c0ab1b9e8335fa74b17cee /Documentation | |
| parent | mmc: add support for HS400 mode of eMMC5.0 (diff) | |
| download | linux-c373eb489b27b268c9b8c267b212d10864bc8cdd.tar.xz linux-c373eb489b27b268c9b8c267b212d10864bc8cdd.zip | |
mmc: core: add DT bindings for eMMC HS400 1.8/1.2V
Provide the option to configure these speed modes per host,
for those host driver's that can't distinguish this in runtime.
Specially, if host can support HS400, it means that host can also
support HS200.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/mmc.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index 9dce540771fb..3c18001dfd5d 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -38,6 +38,8 @@ Optional properties: - mmc-highspeed-ddr-1_2v: eMMC high-speed DDR mode(1.2V I/O) is supported - mmc-hs200-1_8v: eMMC HS200 mode(1.8V I/O) is supported - mmc-hs200-1_2v: eMMC HS200 mode(1.2V I/O) is supported +- mmc-hs400-1_8v: eMMC HS400 mode(1.8V I/O) is supported +- mmc-hs400-1_2v: eMMC HS400 mode(1.2V I/O) is supported *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line polarity properties, we have to fix the meaning of the "normal" and "inverted" |