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authorTakashi Iwai <tiwai@suse.de>2012-08-20 23:26:04 +0400
committerTakashi Iwai <tiwai@suse.de>2012-08-20 23:26:04 +0400
commitf0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch)
treed4bfd9489cf4a96a55d83af20919f477a846d585 /Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
parentfa2f5bf09610d3c216d4c74855edbe00d636467c (diff)
parent28c42c28309244d0b15d1b385e33429d59997679 (diff)
downloadlinux-f0b433e9f362e0b7f0ce7d1489dd7feba068605d.tar.xz
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6 A batch more bugfixes, all driver-specific and fairly small and unremarkable in a global context. The biggest batch are for the newly added Arizona drivers.
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt')
-rw-r--r--Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt8
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
index d64aea5a4203..0e5e2ec4001d 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
@@ -1,8 +1,9 @@
MMC/SD/SDIO slot directly connected to a SPI bus
+This file documents differences between the core properties described
+by mmc.txt and the properties used by the mmc_spi driver.
+
Required properties:
-- compatible : should be "mmc-spi-slot".
-- reg : should specify SPI address (chip-select number).
- spi-max-frequency : maximum frequency for this device (Hz).
- voltage-ranges : two cells are required, first cell specifies minimum
slot voltage (mV), second cell specifies maximum slot voltage (mV).
@@ -11,8 +12,7 @@ Required properties:
Optional properties:
- gpios : may specify GPIOs in this order: Card-Detect GPIO,
Write-Protect GPIO. Note that this does not follow the
- binding from mmc.txt, for historic reasons.
-- interrupts : the interrupt of a card detect interrupt.
+ binding from mmc.txt, for historical reasons.
- interrupt-parent : the phandle for the interrupt controller that
services interrupts for this device.