1 /* SPDX-License-Identifier: GPL-2.0
3 * Renesas R-Car System Controller
5 * Copyright (C) 2016 Glider bvba
7 #ifndef __SOC_RENESAS_RCAR_SYSC_H__
8 #define __SOC_RENESAS_RCAR_SYSC_H__
10 #include <linux/types.h>
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 */
20 #define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */
21 #define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */
22 #define PD_ALWAYS_ON PD_NO_CR /* Always-on area */
26 * Description of a Power Area
29 struct rcar_sysc_area
{
31 u16 chan_offs
; /* Offset of PWRSR register for this area */
32 u8 chan_bit
; /* Bit in PWR* (except for PWRUP in PWRSR) */
33 u8 isr_bit
; /* Bit in SYSCI*R */
34 int parent
; /* -1 if none */
35 unsigned int flags
; /* See PD_* */
40 * SoC-specific Power Area Description
43 struct rcar_sysc_info
{
44 int (*init
)(void); /* Optional */
45 const struct rcar_sysc_area
*areas
;
46 unsigned int num_areas
;
49 extern const struct rcar_sysc_info r8a7743_sysc_info
;
50 extern const struct rcar_sysc_info r8a7745_sysc_info
;
51 extern const struct rcar_sysc_info r8a77470_sysc_info
;
52 extern const struct rcar_sysc_info r8a774a1_sysc_info
;
53 extern const struct rcar_sysc_info r8a774c0_sysc_info
;
54 extern const struct rcar_sysc_info r8a7779_sysc_info
;
55 extern const struct rcar_sysc_info r8a7790_sysc_info
;
56 extern const struct rcar_sysc_info r8a7791_sysc_info
;
57 extern const struct rcar_sysc_info r8a7792_sysc_info
;
58 extern const struct rcar_sysc_info r8a7794_sysc_info
;
59 extern const struct rcar_sysc_info r8a7795_sysc_info
;
60 extern const struct rcar_sysc_info r8a7796_sysc_info
;
61 extern const struct rcar_sysc_info r8a77965_sysc_info
;
62 extern const struct rcar_sysc_info r8a77970_sysc_info
;
63 extern const struct rcar_sysc_info r8a77980_sysc_info
;
64 extern const struct rcar_sysc_info r8a77990_sysc_info
;
65 extern const struct rcar_sysc_info r8a77995_sysc_info
;
69 * Helpers for fixing up power area tables depending on SoC revision
72 extern void rcar_sysc_nullify(struct rcar_sysc_area
*areas
,
73 unsigned int num_areas
, u8 id
);
75 #endif /* __SOC_RENESAS_RCAR_SYSC_H__ */