@@ -56,6 +56,8 @@ Optional properties:
- fixed-emmc-driver-type: for non-removable eMMC, enforce this driver type.
The value <n> is the driver type as specified in the eMMC specification
(table 206 in spec version 5.1).
+- power-delay-ms: Tunable delay waiting for I/O signalling and card power supply
+ to be stable. Default to 10ms if no available.
*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"
power-delay-ms woule be used to substitute the hard-coded 10ms delay waiting for power supply to be stable, specificed by individual platform/board. Default to 10ms as before, if no available. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> --- Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++ 1 file changed, 2 insertions(+)