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Diffstat (limited to 'arch/arm/mach-mx37/usb.h')
-rw-r--r--arch/arm/mach-mx37/usb.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/arm/mach-mx37/usb.h b/arch/arm/mach-mx37/usb.h
new file mode 100644
index 000000000000..3542866ada0b
--- /dev/null
+++ b/arch/arm/mach-mx37/usb.h
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2005-2008 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_hs_active(void);
+extern void gpio_usbotg_hs_inactive(void);
+extern struct platform_device *host_pdev_register(struct resource *res,
+ int n_res, struct fsl_usb2_platform_data *config);
+
+extern int gpio_usbotg_utmi_active(void);
+extern void gpio_usbotg_utmi_inactive(void);
+static int usbotg_init_ext(struct platform_device *pdev);
+static void usbotg_uninit_ext(struct fsl_usb2_platform_data *pdata);
+
+/*
+ * Determine which platform_data struct to use for the DR controller,
+ * based on which transceiver is configured.
+ * PDATA is a pointer to it.
+ */
+#if defined(CONFIG_ISP1301_MXC)
+static struct fsl_usb2_platform_data __maybe_unused dr_1301_config;
+#define PDATA (&dr_1301_config)
+#elif defined(CONFIG_MC13783_MXC)
+static struct fsl_usb2_platform_data __maybe_unused dr_13783_config;
+#define PDATA (&dr_13783_config)
+#elif defined(CONFIG_UTMI_MXC)
+static struct fsl_usb2_platform_data __maybe_unused dr_utmi_config;
+#define PDATA (&dr_utmi_config)
+#endif
+
+
+/*
+ * 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