1e2ad626fSUlf Hansson /* SPDX-License-Identifier: GPL-2.0 */ 2e2ad626fSUlf Hansson /* 3e2ad626fSUlf Hansson * Renesas R-Car System Controller 4e2ad626fSUlf Hansson * 5e2ad626fSUlf Hansson * Copyright (C) 2016 Glider bvba 6e2ad626fSUlf Hansson */ 7e2ad626fSUlf Hansson #ifndef __SOC_RENESAS_RCAR_SYSC_H__ 8e2ad626fSUlf Hansson #define __SOC_RENESAS_RCAR_SYSC_H__ 9e2ad626fSUlf Hansson 10e2ad626fSUlf Hansson #include <linux/types.h> 11e2ad626fSUlf Hansson 12e2ad626fSUlf Hansson 13e2ad626fSUlf Hansson /* 14e2ad626fSUlf Hansson * Power Domain flags 15e2ad626fSUlf Hansson */ 16e2ad626fSUlf Hansson #define PD_CPU BIT(0) /* Area contains main CPU core */ 17e2ad626fSUlf Hansson #define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ 18e2ad626fSUlf Hansson #define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ 19*fdea114aSGeert Uytterhoeven #define PD_OFF_DELAY BIT(3) /* Area is subject to power-off delay quirk */ 20e2ad626fSUlf Hansson 21e2ad626fSUlf Hansson #define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */ 22e2ad626fSUlf Hansson #define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */ 23e2ad626fSUlf Hansson #define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ 24e2ad626fSUlf Hansson 25e2ad626fSUlf Hansson 26e2ad626fSUlf Hansson /* 27e2ad626fSUlf Hansson * Description of a Power Area 28e2ad626fSUlf Hansson */ 29e2ad626fSUlf Hansson 30e2ad626fSUlf Hansson struct rcar_sysc_area { 31e2ad626fSUlf Hansson const char *name; 32e2ad626fSUlf Hansson u16 chan_offs; /* Offset of PWRSR register for this area */ 33e2ad626fSUlf Hansson u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */ 34e2ad626fSUlf Hansson u8 isr_bit; /* Bit in SYSCI*R */ 35e2ad626fSUlf Hansson s8 parent; /* -1 if none */ 36e2ad626fSUlf Hansson u8 flags; /* See PD_* */ 37e2ad626fSUlf Hansson }; 38e2ad626fSUlf Hansson 39e2ad626fSUlf Hansson 40e2ad626fSUlf Hansson /* 41e2ad626fSUlf Hansson * SoC-specific Power Area Description 42e2ad626fSUlf Hansson */ 43e2ad626fSUlf Hansson 44e2ad626fSUlf Hansson struct rcar_sysc_info { 45e2ad626fSUlf Hansson int (*init)(void); /* Optional */ 46e2ad626fSUlf Hansson const struct rcar_sysc_area *areas; 47e2ad626fSUlf Hansson unsigned int num_areas; 48e2ad626fSUlf Hansson /* Optional External Request Mask Register */ 49e2ad626fSUlf Hansson u32 extmask_offs; /* SYSCEXTMASK register offset */ 50e2ad626fSUlf Hansson u32 extmask_val; /* SYSCEXTMASK register mask value */ 51e2ad626fSUlf Hansson }; 52e2ad626fSUlf Hansson 53e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7742_sysc_info; 54e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7743_sysc_info; 55e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7745_sysc_info; 56e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77470_sysc_info; 57e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a774a1_sysc_info; 58e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a774b1_sysc_info; 59e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a774c0_sysc_info; 60e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a774e1_sysc_info; 61e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7779_sysc_info; 62e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7790_sysc_info; 63e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7791_sysc_info; 64e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7792_sysc_info; 65e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a7794_sysc_info; 66e2ad626fSUlf Hansson extern struct rcar_sysc_info r8a7795_sysc_info; 67e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77960_sysc_info; 68e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77961_sysc_info; 69e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77965_sysc_info; 70e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77970_sysc_info; 71e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77980_sysc_info; 72e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77990_sysc_info; 73e2ad626fSUlf Hansson extern const struct rcar_sysc_info r8a77995_sysc_info; 74e2ad626fSUlf Hansson 75e2ad626fSUlf Hansson #endif /* __SOC_RENESAS_RCAR_SYSC_H__ */ 76