1 files changed, 74 insertions, 0 deletions
diff --git a/include/asm-ppc/of_device.h b/include/asm-ppc/of_device.h
new file mode 100644
index 000000000000..14441c629010
--- /dev/null
+++ b/include/asm-ppc/of_device.h
@@ -0,0 +1,74 @@
+#ifndef __OF_DEVICE_H__
+#define __OF_DEVICE_H__
+
+#include <linux/device.h>
+#include <asm/prom.h>
+
+/*
+ * The of_platform_bus_type is a bus type used by drivers that do not
+ * attach to a macio or similar bus but still use OF probing
+ * mecanism
+ */
+extern struct bus_type of_platform_bus_type;
+
+/*
+ * The of_device is a kind of "base class" that is a superset of
+ * struct device for use by devices attached to an OF node and
+ * probed using OF properties
+ */
+struct of_device
+{
+	struct device_node	*node;		/* OF device node */
+	u64			dma_mask;	/* DMA mask */
+	struct device		dev;		/* Generic device interface */
+};
+#define	to_of_device(d) container_of(d, struct of_device, dev)
+
+/*
+ * Struct used for matching a device
+ */
+struct of_match
+{
+	char	*name;
+	char	*type;
+	char	*compatible;
+	void	*data;
+};
+#define OF_ANY_MATCH		((char *)-1L)
+
+extern const struct of_match *of_match_device(
+	const struct of_match *matches, const struct of_device *dev);
+
+extern struct of_device *of_dev_get(struct of_device *dev);
+extern void of_dev_put(struct of_device *dev);
+
+/*
+ * An of_platform_driver driver is attached to a basic of_device on
+ * the "platform bus" (of_platform_bus_type)
+ */
+struct of_platform_driver
+{
+	char			*name;
+	struct of_match		*match_table;
+	struct module		*owner;
+
+	int	(*probe)(struct of_device* dev, const struct of_match *match);
+	int	(*remove)(struct of_device* dev);
+
+	int	(*suspend)(struct of_device* dev, u32 state);
+	int	(*resume)(struct of_device* dev);
+	int	(*shutdown)(struct of_device* dev);
+
+	struct device_driver	driver;
+};
+#define	to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver)
+
+extern int of_register_driver(struct of_platform_driver *drv);
+extern void of_unregister_driver(struct of_platform_driver *drv);
+extern int of_device_register(struct of_device *ofdev);
+extern void of_device_unregister(struct of_device *ofdev);
+extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id);
+extern void of_release_dev(struct device *dev);
+
+#endif /* __OF_DEVICE_H__ */
+