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usb: renesas_usbhs: gadget: add usb_gadget_ops :: pullup support

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This patch adds usbhs_sys_function_pullup() to control
D+ line for USB function, and enabled pullup support on mod_gadget.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
kuninori.morimoto.gx@renesas.com 2012-10-15 23:24:19 -07:00 committed by Felipe Balbi
parent ddffeb8c4d
commit 4cd2f59987
3 changed files with 17 additions and 0 deletions
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5
drivers/usb/renesas_usbhs/common.c
View File

@ -132,6 +132,11 @@ void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable)
usbhs_bset(priv, SYSCFG, mask, enable ? val : 0);
}
void usbhs_sys_function_pullup(struct usbhs_priv *priv, int enable)
{
usbhs_bset(priv, SYSCFG, DPRPU, enable ? DPRPU : 0);
}
void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode)
{
usbhs_write(priv, TESTMODE, mode);

1
drivers/usb/renesas_usbhs/common.h
View File

@ -285,6 +285,7 @@ void usbhs_bset(struct usbhs_priv *priv, u32 reg, u16 mask, u16 data);
*/
void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable);
void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable);
void usbhs_sys_function_pullup(struct usbhs_priv *priv, int enable);
void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode);
/*

11
drivers/usb/renesas_usbhs/mod_gadget.c
View File

@ -883,6 +883,16 @@ static int usbhsg_get_frame(struct usb_gadget *gadget)
return usbhs_frame_get_num(priv);
}
static int usbhsg_pullup(struct usb_gadget *gadget, int is_on)
{
struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
usbhs_sys_function_pullup(priv, is_on);
return 0;
}
static int usbhsg_set_selfpowered(struct usb_gadget *gadget, int is_self)
{
struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
@ -900,6 +910,7 @@ static struct usb_gadget_ops usbhsg_gadget_ops = {
.set_selfpowered = usbhsg_set_selfpowered,
.udc_start = usbhsg_gadget_start,
.udc_stop = usbhsg_gadget_stop,
.pullup = usbhsg_pullup,
};
static int usbhsg_start(struct usbhs_priv *priv)