diff options
author | Roshni Shah <shah.roshni@yahoo.com> | 2011-03-14 06:49:42 -0400 |
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committer | Justin Waters <justin.waters@timesys.com> | 2012-03-02 16:59:46 -0500 |
commit | 2731b2eadeaa141e6f305fa8086106608112bbaa (patch) | |
tree | 2702d45bac84073cd580ccb1bd3eafb9a000d3b6 /arch/arm/mach-mx25/usb.h | |
parent | 6d23f5084c975be637f7d748db82116bf84d3872 (diff) |
Add support for the i.MX53 QSB2.6.35.3-mx53-early-201103141049
This patch seems to have originated from the 11.01.00 release
from Freescale, which is no longer available except through the
gitweb interface from Freescale.
http://opensource.freescale.com/git?p=imx/linux-2.6-imx.git;a=commit;h=27fdf7bae11978d21e8aba09bb635f49b07edd4a
Diffstat (limited to 'arch/arm/mach-mx25/usb.h')
-rw-r--r-- | arch/arm/mach-mx25/usb.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/usb.h b/arch/arm/mach-mx25/usb.h new file mode 100644 index 000000000000..b1c21a7ffaa8 --- /dev/null +++ b/arch/arm/mach-mx25/usb.h @@ -0,0 +1,103 @@ +/* + * Copyright (C) 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +extern int usbotg_init(struct platform_device *pdev); +extern void usbotg_uninit(struct fsl_usb2_platform_data *pdata); +extern int gpio_usbotg_utmi_active(void); +extern void gpio_usbotg_utmi_inactive(void); +extern struct platform_device *host_pdev_register(struct resource *res, + int n_res, + struct fsl_usb2_platform_data + *config); + +extern int fsl_usb_host_init(struct platform_device *pdev); +extern void fsl_usb_host_uninit(struct fsl_usb2_platform_data *pdata); +extern int gpio_usbh2_active(void); +extern void gpio_usbh2_inactive(void); + +/* + * Determine which platform_data struct to use for the DR controller, + * based on which transceiver is configured. + * PDATA is a pointer to it. + */ +static struct fsl_usb2_platform_data __maybe_unused dr_utmi_config; +#define PDATA (&dr_utmi_config) + +/* + * Used to set pdata->operating_mode before registering the platform_device. + * If OTG is configured, the controller operates in OTG mode, + * otherwise it's either host or device. + */ +#ifdef CONFIG_USB_OTG +#define DR_UDC_MODE FSL_USB2_DR_OTG +#define DR_HOST_MODE FSL_USB2_DR_OTG +#else +#define DR_UDC_MODE FSL_USB2_DR_DEVICE +#define DR_HOST_MODE FSL_USB2_DR_HOST +#endif + +#ifdef CONFIG_USB_EHCI_ARC_OTG +static inline void dr_register_host(struct resource *r, int rs) +{ + PDATA->operating_mode = DR_HOST_MODE; + host_pdev_register(r, rs, PDATA); +} +#else +static inline void dr_register_host(struct resource *r, int rs) +{ +} +#endif + +#ifdef CONFIG_USB_GADGET_ARC +static struct platform_device dr_udc_device; + +static inline void dr_register_udc(void) +{ + PDATA->operating_mode = DR_UDC_MODE; + dr_udc_device.dev.platform_data = PDATA; + + if (platform_device_register(&dr_udc_device)) + printk(KERN_ERR "usb: can't register DR gadget\n"); + else + printk(KERN_INFO "usb: DR gadget (%s) registered\n", + PDATA->transceiver); +} +#else +static inline void dr_register_udc(void) +{ +} +#endif + +#ifdef CONFIG_USB_OTG +static struct platform_device dr_otg_device; + +/* + * set the proper operating_mode and + * platform_data pointer, then register the + * device. + */ +static inline void dr_register_otg(void) +{ + PDATA->operating_mode = FSL_USB2_DR_OTG; + dr_otg_device.dev.platform_data = PDATA; + + if (platform_device_register(&dr_otg_device)) + printk(KERN_ERR "usb: can't register otg device\n"); + else + printk(KERN_INFO "usb: DR OTG registered\n"); +} +#else +static inline void dr_register_otg(void) +{ +} +#endif |