1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Renesas R-Car System Controller
4 *
5 * Copyright (C) 2016 Glider bvba
6 */
7#ifndef __SOC_RENESAS_RCAR_SYSC_H__
8#define __SOC_RENESAS_RCAR_SYSC_H__
9
10#include <linux/types.h>
11
12
13/*
14 * Power Domain flags
15 */
16#define PD_CPU		BIT(0)	/* Area contains main CPU core */
17#define PD_SCU		BIT(1)	/* Area contains SCU and L2 cache */
18#define PD_NO_CR	BIT(2)	/* Area lacks PWR{ON,OFF}CR registers */
19#define PD_OFF_DELAY	BIT(3)	/* Area is subject to power-off delay quirk */
20
21#define PD_CPU_CR	PD_CPU		  /* CPU area has CR (R-Car H1) */
22#define PD_CPU_NOCR	PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */
23#define PD_ALWAYS_ON	PD_NO_CR	  /* Always-on area */
24
25
26/*
27 * Description of a Power Area
28 */
29
30struct rcar_sysc_area {
31	const char *name;
32	u16 chan_offs;		/* Offset of PWRSR register for this area */
33	u8 chan_bit;		/* Bit in PWR* (except for PWRUP in PWRSR) */
34	u8 isr_bit;		/* Bit in SYSCI*R */
35	s8 parent;		/* -1 if none */
36	u8 flags;		/* See PD_* */
37};
38
39
40/*
41 * SoC-specific Power Area Description
42 */
43
44struct rcar_sysc_info {
45	int (*init)(void);	/* Optional */
46	const struct rcar_sysc_area *areas;
47	unsigned int num_areas;
48	/* Optional External Request Mask Register */
49	u32 extmask_offs;	/* SYSCEXTMASK register offset */
50	u32 extmask_val;	/* SYSCEXTMASK register mask value */
51};
52
53extern const struct rcar_sysc_info r8a7742_sysc_info;
54extern const struct rcar_sysc_info r8a7743_sysc_info;
55extern const struct rcar_sysc_info r8a7745_sysc_info;
56extern const struct rcar_sysc_info r8a77470_sysc_info;
57extern const struct rcar_sysc_info r8a774a1_sysc_info;
58extern const struct rcar_sysc_info r8a774b1_sysc_info;
59extern const struct rcar_sysc_info r8a774c0_sysc_info;
60extern const struct rcar_sysc_info r8a774e1_sysc_info;
61extern const struct rcar_sysc_info r8a7779_sysc_info;
62extern const struct rcar_sysc_info r8a7790_sysc_info;
63extern const struct rcar_sysc_info r8a7791_sysc_info;
64extern const struct rcar_sysc_info r8a7792_sysc_info;
65extern const struct rcar_sysc_info r8a7794_sysc_info;
66extern struct rcar_sysc_info r8a7795_sysc_info;
67extern const struct rcar_sysc_info r8a77960_sysc_info;
68extern const struct rcar_sysc_info r8a77961_sysc_info;
69extern const struct rcar_sysc_info r8a77965_sysc_info;
70extern const struct rcar_sysc_info r8a77970_sysc_info;
71extern const struct rcar_sysc_info r8a77980_sysc_info;
72extern const struct rcar_sysc_info r8a77990_sysc_info;
73extern const struct rcar_sysc_info r8a77995_sysc_info;
74
75#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */
76