diff options
Diffstat (limited to 'drivers/usb/chipidea/usbmisc_imx.c')
| -rw-r--r-- | drivers/usb/chipidea/usbmisc_imx.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index 90b7d7f..8af070f 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -58,7 +58,16 @@ #define MX6_BM_WAKEUP_ENABLE BIT(10) #define MX6_BM_ID_WAKEUP BIT(16) #define MX6_BM_VBUS_WAKEUP BIT(17) +#define MX6SX_BM_DPDM_WAKEUP_EN BIT(29) #define MX6_BM_WAKEUP_INTR BIT(31) +#define MX6_USB_OTG1_PHY_CTRL 0x18 +/* For imx6dql, it is host-only controller, for later imx6, it is otg's */ +#define MX6_USB_OTG2_PHY_CTRL 0x1c +#define MX6SX_USB_VBUS_WAKEUP_SOURCE(v) (v << 8) +#define MX6SX_USB_VBUS_WAKEUP_SOURCE_VBUS MX6SX_USB_VBUS_WAKEUP_SOURCE(0) +#define MX6SX_USB_VBUS_WAKEUP_SOURCE_AVALID MX6SX_USB_VBUS_WAKEUP_SOURCE(1) +#define MX6SX_USB_VBUS_WAKEUP_SOURCE_BVALID MX6SX_USB_VBUS_WAKEUP_SOURCE(2) +#define MX6SX_USB_VBUS_WAKEUP_SOURCE_SESS_END MX6SX_USB_VBUS_WAKEUP_SOURCE(3) #define VF610_OVER_CUR_DIS BIT(7) @@ -259,6 +268,35 @@ static int usbmisc_imx6q_init(struct imx_usbmisc_data *data) return 0; } +static int usbmisc_imx6sx_init(struct imx_usbmisc_data *data) +{ + void __iomem *reg = NULL; + unsigned long flags; + struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev); + u32 val; + int ret = 0; + + usbmisc_imx6q_init(data); + + if (data->index == 0 || data->index == 1) { + reg = usbmisc->base + MX6_USB_OTG1_PHY_CTRL + data->index * 4; + spin_lock_irqsave(&usbmisc->lock, flags); + /* Set vbus wakeup source as bvalid */ + val = readl(reg); + writel(val | MX6SX_USB_VBUS_WAKEUP_SOURCE_BVALID, reg); + /* + * Disable dp/dm wakeup in device mode when vbus is + * not there. + */ + val = readl(usbmisc->base + data->index * 4); + writel(val & ~MX6SX_BM_DPDM_WAKEUP_EN, + usbmisc->base + data->index * 4); + spin_unlock_irqrestore(&usbmisc->lock, flags); + } + + return ret; +} + static int usbmisc_vf610_init(struct imx_usbmisc_data *data) { struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev); @@ -301,6 +339,11 @@ static const struct usbmisc_ops vf610_usbmisc_ops = { .init = usbmisc_vf610_init, }; +static const struct usbmisc_ops imx6sx_usbmisc_ops = { + .set_wakeup = usbmisc_imx6q_set_wakeup, + .init = usbmisc_imx6sx_init, +}; + int imx_usbmisc_init(struct imx_usbmisc_data *data) { struct imx_usbmisc *usbmisc; @@ -372,6 +415,10 @@ static const struct of_device_id usbmisc_imx_dt_ids[] = { .compatible = "fsl,vf610-usbmisc", .data = &vf610_usbmisc_ops, }, + { + .compatible = "fsl,imx6sx-usbmisc", + .data = &imx6sx_usbmisc_ops, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, usbmisc_imx_dt_ids); |