dt-bindings: sdhci-omap: Add bindings for the sdhci-omap controller

Add binding for the TI's sdhci-omap controller.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/Documentation/devicetree/bindings/mmc/sdhci-omap.txt b/Documentation/devicetree/bindings/mmc/sdhci-omap.txt
new file mode 100644 (file)
index 0000000..51775a3
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sdhci-omap.txt
@@ -0,0 +1,16 @@
+* TI OMAP SDHCI Controller
+
+Refer to mmc.txt for standard MMC bindings.
+
+Required properties:
+- compatible: Should be "ti,dra7-sdhci" for DRA7 and DRA72 controllers
+- ti,hwmods: Must be "mmc<n>", <n> is controller instance starting 1
+
+Example:
+       mmc1: mmc@4809c000 {
+               compatible = "ti,dra7-sdhci";
+               reg = <0x4809c000 0x400>;
+               ti,hwmods = "mmc1";
+               bus-width = <4>;
+               vmmc-supply = <&vmmc>; /* phandle to regulator node */
+       };