path: root/Documentation/devicetree/bindings/mmc
diff options
authorSeungwon Jeon <tgih.jun@samsung.com>2014-04-23 17:15:08 +0900
committerChris Ball <chris@printf.net>2014-05-12 18:08:10 -0400
commitc373eb489b27b268c9b8c267b212d10864bc8cdd (patch)
tree4b12ba22b66763b392c0ab1b9e8335fa74b17cee /Documentation/devicetree/bindings/mmc
parent0a5b6438ee482696360bb013e67b8488f63d3e9e (diff)
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/devicetree/bindings/mmc')
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"

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