linux-imx

/* SPDX-License-Identifier: GPL-2.0

 *

 * Renesas R-Car System Controller

 *

 * Copyright (C) 2016 Glider bvba

 */

#ifndef __SOC_RENESAS_RCAR_SYSC_H__

#define __SOC_RENESAS_RCAR_SYSC_H__

​

#include <linux/types.h>

​

​

/*

 * Power Domain flags

 */

#define PD_CPU      BIT(0)  /* Area contains main CPU core */

#define PD_SCU      BIT(1)  /* Area contains SCU and L2 cache */

#define PD_NO_CR    BIT(2)  /* Area lacks PWR{ON,OFF}CR registers */

​

#define PD_CPU_CR   PD_CPU        /* CPU area has CR (R-Car H1) */

#define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */

#define PD_ALWAYS_ON    PD_NO_CR      /* Always-on area */

​

​

/*

 * Description of a Power Area

 */

​

struct rcar_sysc_area {

    const char *name;

    u16 chan_offs;      /* Offset of PWRSR register for this area */

    u8 chan_bit;        /* Bit in PWR* (except for PWRUP in PWRSR) */

    u8 isr_bit;     /* Bit in SYSCI*R */

    int parent;     /* -1 if none */

    unsigned int flags; /* See PD_* */

};

​

​

/*

 * SoC-specific Power Area Description

 */

​

struct rcar_sysc_info {

    int (*init)(void);  /* Optional */

    const struct rcar_sysc_area *areas;

    unsigned int num_areas;

};

​

extern const struct rcar_sysc_info r8a7743_sysc_info;

extern const struct rcar_sysc_info r8a7745_sysc_info;

extern const struct rcar_sysc_info r8a77470_sysc_info;

extern const struct rcar_sysc_info r8a774a1_sysc_info;

extern const struct rcar_sysc_info r8a774c0_sysc_info;

extern const struct rcar_sysc_info r8a7779_sysc_info;

extern const struct rcar_sysc_info r8a7790_sysc_info;

extern const struct rcar_sysc_info r8a7791_sysc_info;

extern const struct rcar_sysc_info r8a7792_sysc_info;

extern const struct rcar_sysc_info r8a7794_sysc_info;

extern const struct rcar_sysc_info r8a7795_sysc_info;

extern const struct rcar_sysc_info r8a7796_sysc_info;

extern const struct rcar_sysc_info r8a77965_sysc_info;

extern const struct rcar_sysc_info r8a77970_sysc_info;

extern const struct rcar_sysc_info r8a77980_sysc_info;