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Stephen Warren1680d7b2015-10-23 10:50:49 -06001/*
2 * Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved.
3 *
4 * SPDX-License-Identifier: GPL-2.0
5 */
6
7#ifndef _TEGRA_XUSB_PADCTL_COMMON_H_
8#define _TEGRA_XUSB_PADCTL_COMMON_H_
9
10#include <common.h>
11#include <fdtdec.h>
12
13#include <asm/io.h>
14#include <asm/arch-tegra/xusb-padctl.h>
15
16struct tegra_xusb_padctl_lane {
17 const char *name;
18
19 unsigned int offset;
20 unsigned int shift;
21 unsigned int mask;
22 unsigned int iddq;
23
24 const unsigned int *funcs;
25 unsigned int num_funcs;
26};
27
28struct tegra_xusb_phy_ops {
29 int (*prepare)(struct tegra_xusb_phy *phy);
30 int (*enable)(struct tegra_xusb_phy *phy);
31 int (*disable)(struct tegra_xusb_phy *phy);
32 int (*unprepare)(struct tegra_xusb_phy *phy);
33};
34
35struct tegra_xusb_phy {
Stephen Warren095e6582015-10-23 10:50:50 -060036 unsigned int type;
Stephen Warren1680d7b2015-10-23 10:50:49 -060037 const struct tegra_xusb_phy_ops *ops;
Stephen Warren1680d7b2015-10-23 10:50:49 -060038 struct tegra_xusb_padctl *padctl;
39};
40
41struct tegra_xusb_padctl_pin {
42 const struct tegra_xusb_padctl_lane *lane;
43
44 unsigned int func;
45 int iddq;
46};
47
48#define MAX_GROUPS 3
49#define MAX_PINS 6
50
51struct tegra_xusb_padctl_group {
52 const char *name;
53
54 const char *pins[MAX_PINS];
55 unsigned int num_pins;
56
57 const char *func;
58 int iddq;
59};
60
Stephen Warren095e6582015-10-23 10:50:50 -060061struct tegra_xusb_padctl_soc {
62 const struct tegra_xusb_padctl_lane *lanes;
63 unsigned int num_lanes;
64 const char *const *functions;
65 unsigned int num_functions;
66 struct tegra_xusb_phy *phys;
67 unsigned int num_phys;
68};
69
Stephen Warren1680d7b2015-10-23 10:50:49 -060070struct tegra_xusb_padctl_config {
71 const char *name;
72
73 struct tegra_xusb_padctl_group groups[MAX_GROUPS];
74 unsigned int num_groups;
75};
76
77struct tegra_xusb_padctl {
Stephen Warren095e6582015-10-23 10:50:50 -060078 const struct tegra_xusb_padctl_soc *socdata;
79 struct tegra_xusb_padctl_config config;
Stephen Warren1680d7b2015-10-23 10:50:49 -060080 struct fdt_resource regs;
Stephen Warren1680d7b2015-10-23 10:50:49 -060081 unsigned int enable;
82
Stephen Warren1680d7b2015-10-23 10:50:49 -060083};
Stephen Warren095e6582015-10-23 10:50:50 -060084extern struct tegra_xusb_padctl padctl;
Stephen Warren1680d7b2015-10-23 10:50:49 -060085
86static inline u32 padctl_readl(struct tegra_xusb_padctl *padctl,
87 unsigned long offset)
88{
89 return readl(padctl->regs.start + offset);
90}
91
92static inline void padctl_writel(struct tegra_xusb_padctl *padctl,
93 u32 value, unsigned long offset)
94{
95 writel(value, padctl->regs.start + offset);
96}
97
Stephen Warren095e6582015-10-23 10:50:50 -060098int tegra_xusb_process_nodes(const void *fdt, int nodes[], unsigned int count,
99 const struct tegra_xusb_padctl_soc *socdata);
Stephen Warren1680d7b2015-10-23 10:50:49 -0600100
101#endif