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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2011-07-07 02:58:20 +0200
committerFelipe Balbi <balbi@ti.com>2011-07-09 00:08:38 +0200
commit8ca137562a79f573f822f5a84a4e56a0d8cc6792 (patch)
treecf5a8e8e6233fc7bada218e9e040a19d5fcb13e3 /drivers/usb
parentusb: gadget: zero: add superspeed support (diff)
downloadlinux-8ca137562a79f573f822f5a84a4e56a0d8cc6792.tar.xz
linux-8ca137562a79f573f822f5a84a4e56a0d8cc6792.zip
usb: gadget: r8a66597-udc: add pullup function
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/r8a66597-udc.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index b8b30059f8af..50991e5bd5e8 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1518,10 +1518,26 @@ static int r8a66597_get_frame(struct usb_gadget *_gadget)
return r8a66597_read(r8a66597, FRMNUM) & 0x03FF;
}
+static int r8a66597_pullup(struct usb_gadget *gadget, int is_on)
+{
+ struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
+ unsigned long flags;
+
+ spin_lock_irqsave(&r8a66597->lock, flags);
+ if (is_on)
+ r8a66597_bset(r8a66597, DPRPU, SYSCFG0);
+ else
+ r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
+ spin_unlock_irqrestore(&r8a66597->lock, flags);
+
+ return 0;
+}
+
static struct usb_gadget_ops r8a66597_gadget_ops = {
.get_frame = r8a66597_get_frame,
.start = r8a66597_start,
.stop = r8a66597_stop,
+ .pullup = r8a66597_pullup,
};
static int __exit r8a66597_remove(struct platform_device *pdev)