diff options
Diffstat (limited to 'arch/arm/mach-mx6/usb_dr.c')
| -rw-r--r-- | arch/arm/mach-mx6/usb_dr.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-mx6/usb_dr.c b/arch/arm/mach-mx6/usb_dr.c index de84a4ded23b..fb241f517c39 100644 --- a/arch/arm/mach-mx6/usb_dr.c +++ b/arch/arm/mach-mx6/usb_dr.c @@ -310,6 +310,36 @@ static void usbotg_wakeup_event_clear(void) #ifdef CONFIG_USB_EHCI_ARC_OTG /* Beginning of host related operation for DR port */ +static void _host_platform_suspend(struct fsl_usb2_platform_data *pdata) +{ + void __iomem *phy_reg = MX6_IO_ADDRESS(USB_PHY0_BASE_ADDR); + u32 tmp; + + tmp = (BM_USBPHY_PWD_TXPWDFS + | BM_USBPHY_PWD_TXPWDIBIAS + | BM_USBPHY_PWD_TXPWDV2I + | BM_USBPHY_PWD_RXPWDENV + | BM_USBPHY_PWD_RXPWD1PT1 + | BM_USBPHY_PWD_RXPWDDIFF + | BM_USBPHY_PWD_RXPWDRX); + __raw_writel(tmp, phy_reg + HW_USBPHY_PWD_SET); +} + +static void _host_platform_resume(struct fsl_usb2_platform_data *pdata) +{ + void __iomem *phy_reg = MX6_IO_ADDRESS(USB_PHY0_BASE_ADDR); + u32 tmp; + + tmp = (BM_USBPHY_PWD_TXPWDFS + | BM_USBPHY_PWD_TXPWDIBIAS + | BM_USBPHY_PWD_TXPWDV2I + | BM_USBPHY_PWD_RXPWDENV + | BM_USBPHY_PWD_RXPWD1PT1 + | BM_USBPHY_PWD_RXPWDDIFF + | BM_USBPHY_PWD_RXPWDRX); + __raw_writel(tmp, phy_reg + HW_USBPHY_PWD_CLR); +} + static void _host_phy_lowpower_suspend(struct fsl_usb2_platform_data *pdata, bool enable) { __phy_lowpower_suspend(pdata, enable, ENABLED_BY_HOST); @@ -438,6 +468,8 @@ void __init mx6_usb_dr_init(void) #ifdef CONFIG_USB_EHCI_ARC_OTG dr_utmi_config.operating_mode = DR_HOST_MODE; dr_utmi_config.wake_up_enable = _host_wakeup_enable; + dr_utmi_config.platform_suspend = _host_platform_suspend; + dr_utmi_config.platform_resume = _host_platform_resume; dr_utmi_config.phy_lowpower_suspend = _host_phy_lowpower_suspend; dr_utmi_config.is_wakeup_event = _is_host_wakeup; dr_utmi_config.wakeup_pdata = &dr_wakeup_config; @@ -448,6 +480,8 @@ void __init mx6_usb_dr_init(void) #ifdef CONFIG_USB_GADGET_ARC dr_utmi_config.operating_mode = DR_UDC_MODE; dr_utmi_config.wake_up_enable = _device_wakeup_enable; + dr_utmi_config.platform_suspend = NULL; + dr_utmi_config.platform_resume = NULL; dr_utmi_config.phy_lowpower_suspend = _device_phy_lowpower_suspend; dr_utmi_config.is_wakeup_event = _is_device_wakeup; dr_utmi_config.wakeup_pdata = &dr_wakeup_config; |