drivers: usb: musb: adopt musb backend driver to driver model

Currently all backend driver ops uses hard coded physical
address, so to adopt the driver to DM, add device pointer to ops
call backs so that drivers can get physical addresses from the
usb driver priv/plat data.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/include/asm/arch-omap3/musb.h b/arch/arm/include/asm/arch-omap3/musb.h
index cee4ed3..d06a758 100644
--- a/arch/arm/include/asm/arch-omap3/musb.h
+++ b/arch/arm/include/asm/arch-omap3/musb.h
@@ -7,7 +7,7 @@
 
 #ifndef __ASM_ARCH_OMAP3_MUSB_H
 #define __ASM_ARCH_OMAP3_MUSB_H
-extern void am35x_musb_reset(void);
-extern void am35x_musb_phy_power(u8 on);
-extern void am35x_musb_clear_irq(void);
+void am35x_musb_reset(struct udevice *dev);
+void am35x_musb_phy_power(struct udevice *dev, u8 on);
+void am35x_musb_clear_irq(struct udevice *dev);
 #endif
diff --git a/arch/arm/include/asm/omap_musb.h b/arch/arm/include/asm/omap_musb.h
index 8b9cb0e..7c5fb40 100644
--- a/arch/arm/include/asm/omap_musb.h
+++ b/arch/arm/include/asm/omap_musb.h
@@ -15,9 +15,10 @@
 
 struct omap_musb_board_data {
 	u8 interface_type;
-	void (*set_phy_power)(u8 on);
-	void (*clear_irq)(void);
-	void (*reset)(void);
+	struct udevice *dev;
+	void (*set_phy_power)(struct udevice *dev, u8 on);
+	void (*clear_irq)(struct udevice *dev);
+	void (*reset)(struct udevice *dev);
 };
 
 enum musb_interface    {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};