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authorPritesh Raithatha <praithatha@nvidia.com>2012-12-18 17:24:49 +0530
committerDan Willemsen <dwillemsen@nvidia.com>2013-09-14 01:08:11 -0700
commitfcfb30f39e8cb32dbe3580a4030ccb833cb12dde (patch)
treeedd912a72d94e200b3cde7380664e4723c8efa85 /Documentation
parent2c4cf895f3259b0ba6988bbe0707f6edbe7cb8b0 (diff)
mmc: tegra: add more properties to device tree binding
Add device tree bindings for base-clk, tap-delay, trim-delay, ddr-clk-limit, built-in and mmc-ocr-mask. Out of these properties, base-clk is mandatory and rest are optional. Bug 1173098 Change-Id: I42946a460923d73450a49fcaddd066a15958014d Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com> Reviewed-on: http://git-master/r/173045 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
index c6d7b11db9eb..236dc63d525f 100644
--- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
@@ -8,9 +8,15 @@ by mmc.txt and the properties used by the sdhci-tegra driver.
Required properties:
- compatible : Should be "nvidia,<chip>-sdhci"
+- base-clk : Integer.
Optional properties:
- power-gpios : Specify GPIOs for power control
+- tap-delay : Integer. Valid range 0...31.
+- trim-delay : Integer. Valid range 0...255.
+- ddr-clk-limit : Integer.
+- built-in : Boolean, indicates whether it is built-in card or not.
+- mmc-ocr-mask : 0: 1V8, 1: 2V8.
Example:
@@ -22,4 +28,5 @@ sdhci@c8000200 {
wp-gpios = <&gpio 57 0>; /* gpio PH1 */
power-gpios = <&gpio 155 0>; /* gpio PT3 */
bus-width = <8>;
+ base-clk = <104000000>;
};