1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/plat-mxs/utmixc.c b/arch/arm/plat-mxs/utmixc.c
new file mode 100644
index 000000000000..8e842840e87a
--- /dev/null
+++ b/arch/arm/plat-mxs/utmixc.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#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 <linux/pmic_external.h>
+
+#include <mach/hardware.h>
+#include <mach/arc_otg.h>
+#include <asm/mach-types.h>
+
+extern void fsl_phy_usb_utmi_init(struct fsl_xcvr_ops *this);
+extern void fsl_phy_usb_utmi_uninit(struct fsl_xcvr_ops *this);
+extern void fsl_phy_set_power(struct fsl_xcvr_ops *this,
+			struct fsl_usb2_platform_data *pdata, int on);
+#include <mach/regs-power.h>
+#include <asm/io.h>
+
+
+static void set_vbus_draw(struct fsl_xcvr_ops *this,
+		struct fsl_usb2_platform_data *pdata, unsigned mA)
+{
+#ifdef CONFIG_MXS_VBUS_CURRENT_DRAW
+	if ((__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL)
+		& BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT) == 0x20000) {
+		printk(KERN_INFO "USB enumeration done,current limitation release\r\n");
+		__raw_writel(__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL) |
+		BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT, REGS_POWER_BASE +
+		HW_POWER_5VCTRL);
+	}
+#endif
+}
+static struct fsl_xcvr_ops utmi_ops = {
+	.name = "utmi",
+	.xcvr_type = PORTSC_PTS_UTMI,
+	.init = fsl_phy_usb_utmi_init,
+	.uninit = fsl_phy_usb_utmi_uninit,
+	.set_vbus_power = fsl_phy_set_power,
+	.set_vbus_draw = set_vbus_draw,
+};
+
+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);
+}
+
+#ifdef CONFIG_MXS_VBUS_CURRENT_DRAW
+	fs_initcall(utmixc_init);
+#else
+	subsys_initcall(utmixc_init);
+#endif
+module_exit(utmixc_exit);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("utmi xcvr driver");
+MODULE_LICENSE("GPL");