| /* |
| * drivers/amlogic/usb/phy/phy-aml-usb.c |
| * |
| * Copyright (C) 2017 Amlogic, 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. |
| * |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/clk.h> |
| #include <linux/device.h> |
| #include <linux/err.h> |
| #include <linux/io.h> |
| #include <linux/of.h> |
| #include <linux/of_address.h> |
| #include <linux/amlogic/usb-gxbbtv.h> |
| #include <linux/amlogic/iomap.h> |
| /*#include <mach/am_regs.h>*/ |
| #include "phy-aml-usb.h" |
| |
| int amlogic_usbphy_reset(void) |
| { |
| static int init_count; |
| int i = 0; |
| |
| if (!init_count) { |
| init_count++; |
| aml_cbus_update_bits(0x1102, 0x1<<2, 0x1<<2); |
| for (i = 0; i < 1000; i++) |
| udelay(500); |
| } |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(amlogic_usbphy_reset); |
| |