usb: musb: Add 'extvbus' in musb_hdrc_platform_data

Some of the board might use external Vbus power supply on musb
interface which would require to program ULPI_BUSCONTROL register.

Adding 'extvbus' flag which can be set from such boards which will
be checked at musb driver files before programming ULPI_BUSCONTROL.

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>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index d43755669261..4b7f8fa252f0 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -76,6 +76,9 @@ struct musb_hdrc_platform_data {
         /* (HOST or OTG) msec/2 after VBUS on till power good */
         u8              potpgt;
 
+        /* (HOST or OTG) program PHY for external Vbus */
+        unsigned        extvbus:1;
+
         /* Power the device on or off */
         int             (*set_power)(int state);