Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Copyright (C) 2010 Google, Inc.
3 *
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 */
14
15#ifndef __TEGRA_USB_PHY_H
16#define __TEGRA_USB_PHY_H
17
18#include <linux/clk.h>
19#include <linux/usb/otg.h>
20
21struct tegra_utmip_config {
22 u8 hssync_start_delay;
23 u8 elastic_limit;
24 u8 idle_wait_delay;
25 u8 term_range_adj;
26 u8 xcvr_setup;
27 u8 xcvr_lsfslew;
28 u8 xcvr_lsrslew;
29};
30
31struct tegra_ulpi_config {
32 int reset_gpio;
33 const char *clk;
34};
35
36enum tegra_usb_phy_port_speed {
37 TEGRA_USB_PHY_PORT_SPEED_FULL = 0,
38 TEGRA_USB_PHY_PORT_SPEED_LOW,
39 TEGRA_USB_PHY_PORT_SPEED_HIGH,
40};
41
42enum tegra_usb_phy_mode {
43 TEGRA_USB_PHY_MODE_DEVICE,
44 TEGRA_USB_PHY_MODE_HOST,
45};
46
47struct tegra_xtal_freq;
48
49struct tegra_usb_phy {
50 int instance;
51 const struct tegra_xtal_freq *freq;
52 void __iomem *regs;
53 void __iomem *pad_regs;
54 struct clk *clk;
55 struct clk *pll_u;
56 struct clk *pad_clk;
57 enum tegra_usb_phy_mode mode;
58 void *config;
59 struct usb_phy *ulpi;
60 struct usb_phy u_phy;
61 struct device *dev;
62 bool is_legacy_phy;
63 bool is_ulpi_phy;
64};
65
66struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance,
67 void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode);
68
69void tegra_usb_phy_preresume(struct usb_phy *phy);
70
71void tegra_usb_phy_postresume(struct usb_phy *phy);
72
73void tegra_ehci_phy_restore_start(struct usb_phy *phy,
74 enum tegra_usb_phy_port_speed port_speed);
75
76void tegra_ehci_phy_restore_end(struct usb_phy *phy);
77
78void tegra_ehci_set_pts(struct usb_phy *x, u8 pts_val);
79
80void tegra_ehci_set_phcd(struct usb_phy *x, bool enable);
81
82#endif /* __TEGRA_USB_PHY_H */