diff options
Diffstat (limited to 'arch/arm/plat-mxs/include/mach/fsl_usb.h')
-rw-r--r-- | arch/arm/plat-mxs/include/mach/fsl_usb.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/plat-mxs/include/mach/fsl_usb.h b/arch/arm/plat-mxs/include/mach/fsl_usb.h new file mode 100644 index 000000000000..f88324856fc7 --- /dev/null +++ b/arch/arm/plat-mxs/include/mach/fsl_usb.h @@ -0,0 +1,74 @@ +/* + * Copyright (C) 1999 ARM Limited + * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* + * USB Host side, platform-specific functionality. + */ + +#include <linux/usb/fsl_xcvr.h> +#include <mach/arc_otg.h> + +/* ehci_arc_hc_driver.flags value */ +#define FSL_PLATFORM_HC_FLAGS (HCD_USB2 | HCD_MEMORY) + +static void fsl_setup_phy(struct ehci_hcd *ehci, + enum fsl_usb2_phy_modes phy_mode, + int port_offset); + +static inline void fsl_platform_usb_setup(struct ehci_hcd *ehci) +{ + struct fsl_usb2_platform_data *pdata; + + pdata = ehci_to_hcd(ehci)->self.controller->platform_data; + fsl_setup_phy(ehci, pdata->phy_mode, 0); +} + +static inline void fsl_platform_set_host_mode(struct usb_hcd *hcd) +{ + unsigned int temp; + struct fsl_usb2_platform_data *pdata; + + pdata = hcd->self.controller->platform_data; + + if (pdata->xcvr_ops && pdata->xcvr_ops->set_host) + pdata->xcvr_ops->set_host(); + + /* set host mode */ + temp = readl(hcd->regs + UOG_USBMODE); + writel(temp | USBMODE_CM_HOST, hcd->regs + UOG_USBMODE); +} + +/* Needed for i2c/serial transceivers */ +static inline void +fsl_platform_set_vbus_power(struct fsl_usb2_platform_data *pdata, int on) +{ + if (pdata->xcvr_ops && pdata->xcvr_ops->set_vbus_power) + pdata->xcvr_ops->set_vbus_power(pdata->xcvr_ops, pdata, on); +} + +/* Set USB AHB burst length for host */ +static inline void fsl_platform_set_ahb_burst(struct usb_hcd *hcd) +{ +} + +void fsl_phy_usb_utmi_init(struct fsl_xcvr_ops *this); +void fsl_phy_usb_utmi_uninit(struct fsl_xcvr_ops *this); +void fsl_phy_set_power(struct fsl_xcvr_ops *this, + struct fsl_usb2_platform_data *pdata, int on); + |