* [v4, 1/6] mmc: dt: add DT binding for big endian controller
@ 2015-07-31 3:54 Yangbo Lu
0 siblings, 0 replies; only message in thread
From: Yangbo Lu @ 2015-07-31 3:54 UTC (permalink / raw)
To: linux-mmc, ulf.hansson; +Cc: Yangbo Lu
Add specification of 'big-endian' property. if the controller
is big endian mode, specify this property in device tree node.
The default endian mode is little endian.
Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
---
Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index 0384fc3..10d0df9f 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt
@@ -47,6 +47,8 @@ Optional properties:
- mmc-hs400-1_2v: eMMC HS400 mode(1.2V I/O) is supported
- dsr: Value the card's (optional) Driver Stage Register (DSR) should be
programmed with. Valid range: [0 .. 0xffff].
+- big-endian: If the host controller is big-endian mode, specify this property.
+ The default endian mode is little-endian if no 'big-endian' property specified.
*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"
--
2.1.0.27.g96db324
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