diff options
Diffstat (limited to 'drivers/usb/renesas_usbhs/common.c')
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index fd43fdd6cd8..243512d93e5 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -147,6 +147,33 @@ int usbhs_frame_get_num(struct usbhs_priv *priv) } /* + * bus/vbus functions + */ +void usbhs_bus_send_sof_enable(struct usbhs_priv *priv) +{ + usbhs_bset(priv, DVSTCTR, (USBRST | UACT), UACT); +} + +void usbhs_bus_send_reset(struct usbhs_priv *priv) +{ + usbhs_bset(priv, DVSTCTR, (USBRST | UACT), USBRST); +} + +int usbhs_vbus_ctrl(struct usbhs_priv *priv, int enable) +{ + struct platform_device *pdev = usbhs_priv_to_pdev(priv); + + return usbhs_platform_call(priv, set_vbus, pdev, enable); +} + +static void usbhsc_bus_init(struct usbhs_priv *priv) +{ + usbhs_write(priv, DVSTCTR, 0); + + usbhs_vbus_ctrl(priv, 0); +} + +/* * local functions */ static void usbhsc_set_buswait(struct usbhs_priv *priv) @@ -187,7 +214,6 @@ static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable) /* USB on */ usbhs_sys_clock_ctrl(priv, enable); - usbhsc_set_buswait(priv); } else { /* USB off */ usbhs_sys_clock_ctrl(priv, enable); @@ -229,6 +255,10 @@ static void usbhsc_hotplug(struct usbhs_priv *priv) if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) usbhsc_power_ctrl(priv, enable); + /* bus init */ + usbhsc_set_buswait(priv); + usbhsc_bus_init(priv); + /* module start */ usbhs_mod_call(priv, start, priv); @@ -238,6 +268,9 @@ static void usbhsc_hotplug(struct usbhs_priv *priv) /* module stop */ usbhs_mod_call(priv, stop, priv); + /* bus init */ + usbhsc_bus_init(priv); + /* power off */ if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) usbhsc_power_ctrl(priv, enable); |