diff options
| author | Peter Chen <peter.chen@freescale.com> | 2015-05-05 16:35:37 +0800 |
|---|---|---|
| committer | guoyin.chen <guoyin.chen@freescale.com> | 2015-05-08 17:26:52 +0800 |
| commit | 3d776f415838b3a216fb9ef591bd1589158bc5c8 (patch) | |
| tree | 151726d69b2fc2da0d614085a4adfe0958a3948b | |
| parent | 2a09acfb950a98e7e5779230938dc851f3120b8e (diff) | |
MLK-10823 usb: chipidea: imx: set b_sess_valid as wakeup source for imx7dl5.1.0_2.0.0_7d-alpha
In some situations, we need vbus level which lower than vbus valid
as wakeup source, eg, at the OTG certification test, the valid bus
level for b device is from 4.0v to 6.0v.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
| -rw-r--r-- | drivers/usb/chipidea/usbmisc_imx.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index 0dfd9f36c35c..9f8faf8c08cf 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -90,6 +90,14 @@ #define ANADIG_ANA_MISC0_SET 0x154 #define ANADIG_ANA_MISC0_CLK_DELAY(x) ((x >> 26) & 0x7) +#define MX7D_USBNC_USB_CTRL2 0x4 +#define MX7D_USB_VBUS_WAKEUP_SOURCE_MASK 0x3 +#define MX7D_USB_VBUS_WAKEUP_SOURCE(v) (v << 0) +#define MX7D_USB_VBUS_WAKEUP_SOURCE_VBUS MX7D_USB_VBUS_WAKEUP_SOURCE(0) +#define MX7D_USB_VBUS_WAKEUP_SOURCE_AVALID MX7D_USB_VBUS_WAKEUP_SOURCE(1) +#define MX7D_USB_VBUS_WAKEUP_SOURCE_BVALID MX7D_USB_VBUS_WAKEUP_SOURCE(2) +#define MX7D_USB_VBUS_WAKEUP_SOURCE_SESS_END MX7D_USB_VBUS_WAKEUP_SOURCE(3) + struct usbmisc_ops { /* It's called once when probe a usb device */ int (*init)(struct imx_usbmisc_data *data); @@ -496,6 +504,10 @@ static int usbmisc_imx7d_init(struct imx_usbmisc_data *data) reg = readl(usbmisc->base); writel(reg | MX6_BM_UNBURST_SETTING, usbmisc->base); + reg = readl(usbmisc->base + MX7D_USBNC_USB_CTRL2); + reg &= ~MX7D_USB_VBUS_WAKEUP_SOURCE_MASK; + writel(reg | MX7D_USB_VBUS_WAKEUP_SOURCE_BVALID, + usbmisc->base + MX7D_USBNC_USB_CTRL2); spin_unlock_irqrestore(&usbmisc->lock, flags); usbmisc_imx7d_set_wakeup(data, false); |