1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Texas Instruments K3 Device Platform Data
4 *
5 * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
6 */
7#ifndef __K3_DEV_H__
8#define __K3_DEV_H__
9
10#include <asm/io.h>
11#include <linux/types.h>
12#include <stdint.h>
13
14#define LPSC_MODULE_EXISTS      BIT(0)
15#define LPSC_NO_CLOCK_GATING    BIT(1)
16#define LPSC_DEPENDS            BIT(2)
17#define LPSC_HAS_RESET_ISO      BIT(3)
18#define LPSC_HAS_LOCAL_RESET    BIT(4)
19#define LPSC_NO_MODULE_RESET    BIT(5)
20
21#define PSC_PD_EXISTS           BIT(0)
22#define PSC_PD_ALWAYSON         BIT(1)
23#define PSC_PD_DEPENDS          BIT(2)
24
25#define MDSTAT_STATE_MASK		0x3f
26#define MDSTAT_BUSY_MASK		0x30
27#define MDSTAT_STATE_SWRSTDISABLE	0x0
28#define MDSTAT_STATE_ENABLE		0x3
29
30struct ti_psc {
31	int id;
32	void __iomem *base;
33};
34
35struct ti_pd;
36
37struct ti_pd {
38	int id;
39	int usecount;
40	struct ti_psc *psc;
41	struct ti_pd *depend;
42};
43
44struct ti_lpsc;
45
46struct ti_lpsc {
47	int id;
48	int usecount;
49	struct ti_psc *psc;
50	struct ti_pd *pd;
51	struct ti_lpsc *depend;
52};
53
54struct ti_dev {
55	struct ti_lpsc *lpsc;
56	int id;
57};
58
59/**
60 * struct ti_k3_pd_platdata - pm domain controller information structure
61 */
62struct ti_k3_pd_platdata {
63	struct ti_psc *psc;
64	struct ti_pd *pd;
65	struct ti_lpsc *lpsc;
66	struct ti_dev *devs;
67	int num_psc;
68	int num_pd;
69	int num_lpsc;
70	int num_devs;
71};
72
73#define PSC(_id, _base) { .id = _id, .base = (void *)_base, }
74#define PSC_PD(_id, _psc, _depend) { .id = _id, .psc = _psc, .depend = _depend }
75#define PSC_LPSC(_id, _psc, _pd, _depend) { .id = _id, .psc = _psc, .pd = _pd, .depend = _depend }
76#define PSC_DEV(_id, _lpsc) { .id = _id, .lpsc = _lpsc }
77
78extern const struct ti_k3_pd_platdata j721e_pd_platdata;
79extern const struct ti_k3_pd_platdata j7200_pd_platdata;
80extern const struct ti_k3_pd_platdata j721s2_pd_platdata;
81extern const struct ti_k3_pd_platdata am62x_pd_platdata;
82extern const struct ti_k3_pd_platdata am62ax_pd_platdata;
83extern const struct ti_k3_pd_platdata j784s4_pd_platdata;
84extern const struct ti_k3_pd_platdata am62px_pd_platdata;
85
86u8 ti_pd_state(struct ti_pd *pd);
87u8 lpsc_get_state(struct ti_lpsc *lpsc);
88int ti_lpsc_transition(struct ti_lpsc *lpsc, u8 state);
89
90#endif
91