usb: musb: Add extvbus in musb_board_data

EXTVBUS programming is required by OMAP3EVM REV >=E to supply 500mA
power so adding a flag which can be used by musb driver to program
EXTVBUS.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

arch/arm/mach-omap2/board-omap3evm.c

@@ -702,6 +702,9 @@ static void __init omap3_evm_init(void)
 		omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
 		ehci_pdata.reset_gpio_port[1] = 21;
 
+		/* EVM REV >= E can supply 500mA with EXTVBUS programming */
+		musb_board_data.power = 500;
+		musb_board_data.extvbus = 1;
 	} else {
 		/* setup EHCI phy reset on MDC */
 		omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);

arch/arm/mach-omap2/usb-musb.c

@@ -107,6 +107,7 @@ void __init usb_musb_init(struct omap_musb_board_data *board_data)
 	musb_plat.board_data = board_data;
 	musb_plat.power = board_data->power >> 1;
 	musb_plat.mode = board_data->mode;
+	musb_plat.extvbus = board_data->extvbus;
 
 	if (platform_device_register(&musb_device) < 0)
 		printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");

arch/arm/plat-omap/include/plat/usb.h

@@ -47,6 +47,7 @@ struct omap_musb_board_data {
 	u8	interface_type;
 	u8	mode;
 	u16	power;
+	unsigned extvbus:1;
 };
 
 enum musb_interface    {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};