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authorSascha Hauer <s.hauer@pengutronix.de>2018-06-21 13:44:30 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2018-06-22 08:16:13 +0200
commite4067b75fb6ca83a58b2c342a0b3ee12e1223c4e (patch)
treebe013bf46292f4696ac776bc91c1cf35b7adab24 /dts/Bindings/mmc/mmc.txt
parentfe040e0977fab29216f5039e8f9b04e6dbec859a (diff)
downloadbarebox-e4067b75fb6ca83a58b2c342a0b3ee12e1223c4e.tar.gz
barebox-e4067b75fb6ca83a58b2c342a0b3ee12e1223c4e.tar.xz
dts: update to v4.18-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/mmc/mmc.txt')
-rw-r--r--dts/Bindings/mmc/mmc.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/dts/Bindings/mmc/mmc.txt b/dts/Bindings/mmc/mmc.txt
index 467cd7b147..f5a0923b34 100644
--- a/dts/Bindings/mmc/mmc.txt
+++ b/dts/Bindings/mmc/mmc.txt
@@ -19,6 +19,8 @@ Optional properties:
- wp-gpios: Specify GPIOs for write protection, see gpio binding
- cd-inverted: when present, polarity on the CD line is inverted. See the note
below for the case, when a GPIO is used for the CD line
+- cd-debounce-delay-ms: Set delay time before detecting card after card insert interrupt.
+ It's only valid when cd-gpios is present.
- wp-inverted: when present, polarity on the WP line is inverted. See the note
below for the case, when a GPIO is used for the WP line
- disable-wp: When set no physical WP line is present. This property should
@@ -56,6 +58,10 @@ 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).
+- post-power-on-delay-ms : It was invented for MMC pwrseq-simple which could
+ be referred to mmc-pwrseq-simple.txt. But now it's reused as a tunable delay
+ waiting for I/O signalling and card power supply to be stable, regardless of
+ whether pwrseq-simple is used. 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"