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-rw-r--r--arch/arm/plat-mxc/utmixc.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/utmixc.c b/arch/arm/plat-mxc/utmixc.c
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+++ b/arch/arm/plat-mxc/utmixc.c
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+/*
+ * Copyright (C) 2005-2011 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
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/fsl_devices.h>
+#include <linux/usb/fsl_xcvr.h>
+
+#include <mach/hardware.h>
+#include <mach/arc_otg.h>
+#include <asm/mach-types.h>
+
+static struct regulator *usbotg_regux;
+
+static void usb_utmi_init(struct fsl_xcvr_ops *this)
+{
+#if defined(CONFIG_MXC_PMIC_MC13892_MODULE) || defined(CONFIG_MXC_PMIC_MC13892)
+ if (machine_is_mx51_3ds()) {
+ unsigned int value;
+
+ /* VUSBIN */
+ pmic_read_reg(REG_USB1, &value, 0xffffff);
+ value |= 0x1;
+ value |= (0x1 << 3);
+ pmic_write_reg(REG_USB1, value, 0xffffff);
+ }
+#endif
+}
+
+static void usb_utmi_uninit(struct fsl_xcvr_ops *this)
+{
+}
+
+/*!
+ * set vbus power
+ *
+ * @param view viewport register
+ * @param on power on or off
+ */
+static void set_power(struct fsl_xcvr_ops *this,
+ struct fsl_usb2_platform_data *pdata, int on)
+{
+ struct device *dev = &pdata->pdev->dev;
+
+ pr_debug("real %s(on=%d) pdata=0x%p\n", __func__, on, pdata);
+ if (pdata && pdata->platform_driver_vbus)
+ pdata->platform_driver_vbus(on);
+}
+
+static struct fsl_xcvr_ops utmi_ops = {
+ .name = "utmi",
+ .xcvr_type = PORTSC_PTS_UTMI,
+ .init = usb_utmi_init,
+ .uninit = usb_utmi_uninit,
+ .set_vbus_power = set_power,
+};
+
+extern void fsl_usb_xcvr_register(struct fsl_xcvr_ops *xcvr_ops);
+
+static int __init utmixc_init(void)
+{
+ fsl_usb_xcvr_register(&utmi_ops);
+ return 0;
+}
+
+extern void fsl_usb_xcvr_unregister(struct fsl_xcvr_ops *xcvr_ops);
+
+static void __exit utmixc_exit(void)
+{
+ fsl_usb_xcvr_unregister(&utmi_ops);
+}
+
+subsys_initcall(utmixc_init);
+module_exit(utmixc_exit);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("utmi xcvr driver");
+MODULE_LICENSE("GPL");