arm/dts: Add initial device tree support for OMAP3 SoC

Add initial OMAP3 soc file with empty ocp bus.

Based on initial patch from Manju:
http://www.spinics.net/lists/linux-omap/msg55830.html

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: G, Manjunath Kondaiah <manjugk@ti.com>

diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
new file mode 100644 (file)
index 0000000..d558785
--- /dev/null
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -0,0 +1,44 @@
+/*
+ * Device Tree Source for OMAP3 SoC
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+       compatible = "ti,omap3430", "ti,omap3";
+
+       /*
+        * The soc node represents the soc top level view. It is uses for IPs
+        * that are not memory mapped in the MPU view or for the MPU itself.
+        */
+       soc {
+               compatible = "ti,omap-infra";
+       };
+
+       /*
+        * XXX: Use a flat representation of the OMAP3 interconnect.
+        * The real OMAP interconnect network is quite complex.
+        * Since that will not bring real advantage to represent that in DT for
+        * the moment, just use a fake OCP bus entry to represent the whole bus
+        * hierarchy.
+        */
+       ocp {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+               ti,hwmods = "l3_main";
+
+               intc: interrupt-controller@1 {
+                       compatible = "ti,omap3-intc";
+                       interrupt-controller;
+                       #interrupt-cells = <1>;
+               };
+       };
+};