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authorArnd Bergmann <arnd@arndb.de>2012-05-13 00:14:24 -0400
committerArnd Bergmann <arnd@arndb.de>2012-05-15 13:29:42 +0200
commit7f217794ffa72f208a250b79ab0b7ea3de19677f (patch)
treee158792f6662bc7cad4e55a62f4efe7426215141 /Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
parente6511df4f25607e2e6d60062eb69c28c057329fa (diff)
mmc: dt: Consolidate DT bindings
This patch unifies the current DT MMC bindings documentation and code, adds generic MMC DT bindings documentation, and updates .dts files for consistency. [cjb: typo fixes, addition of max-frequency property] Signed-off-by: Chris Ball <cjb@laptop.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt')
-rw-r--r--Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
index 7e51154679a..f77c3031607 100644
--- a/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
@@ -7,12 +7,12 @@ Required properties:
- compatible : Should be "nvidia,<chip>-sdhci"
- reg : Should contain SD/MMC registers location and length
- interrupts : Should contain SD/MMC interrupt
+- bus-width : Number of data lines, can be <1>, <4>, or <8>
Optional properties:
- cd-gpios : Specify GPIOs for card detection
- wp-gpios : Specify GPIOs for write protection
- power-gpios : Specify GPIOs for power control
-- support-8bit : Boolean, indicates if 8-bit mode should be used.
Example:
@@ -23,5 +23,5 @@ sdhci@c8000200 {
cd-gpios = <&gpio 69 0>; /* gpio PI5 */
wp-gpios = <&gpio 57 0>; /* gpio PH1 */
power-gpios = <&gpio 155 0>; /* gpio PT3 */
- support-8bit;
+ bus-width = <8>;
};