slimbus: Add Device Tree support for SLIMBUS
Slave devices can be added by listing them as child of a SLIMBUS
controller of_node in the Device Tree.
It is required to specify elemental address, and name of the slave
device.
Change-Id: Ie1b2f8fe58988f0237547a84f1bbb14ce4733eff
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
diff --git a/include/linux/of_slimbus.h b/include/linux/of_slimbus.h
new file mode 100644
index 0000000..8e1dc65
--- /dev/null
+++ b/include/linux/of_slimbus.h
@@ -0,0 +1,34 @@
+/* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/slimbus/slimbus.h>
+#include <linux/of_irq.h>
+
+#ifdef CONFIG_OF_SLIMBUS
+/*
+ * of_slim_register_devices() - Register devices in the SLIMbus Device Tree
+ * @ctrl: slim_controller which devices should be registered to.
+ *
+ * This routine scans the SLIMbus Device Tree, allocating resources and
+ * creating slim_devices according to the SLIMbus Device Tree
+ * hierarchy. Details of this hierarchy can be found in
+ * Documentation/devicetree/bindings/slimbus. This routine is normally
+ * called from the probe routine of the driver registering as a
+ * slim_controller.
+ */
+extern int of_register_slim_devices(struct slim_controller *ctrl);
+#else
+static int of_register_slim_devices(struct slim_controller *ctrl)
+{
+ return 0;
+}
+#endif /* CONFIG_OF_SLIMBUS */