linux-imx

/*

 * Copyright (C) 2016 Socionext Inc.

 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

​

#include <linux/mfd/syscon.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

#include <linux/reset-controller.h>

​

struct uniphier_reset_data {

    unsigned int id;

    unsigned int reg;

    unsigned int bit;

    unsigned int flags;

#define UNIPHIER_RESET_ACTIVE_LOW       BIT(0)

};

​

#define UNIPHIER_RESET_ID_END       (unsigned int)(-1)

​

#define UNIPHIER_RESET_END              \

    { .id = UNIPHIER_RESET_ID_END }

​

#define UNIPHIER_RESET(_id, _reg, _bit)         \

    {                       \

        .id = (_id),                \

        .reg = (_reg),              \

        .bit = (_bit),              \

    }

​

#define UNIPHIER_RESETX(_id, _reg, _bit)        \

    {                       \

        .id = (_id),                \

        .reg = (_reg),              \

        .bit = (_bit),              \

        .flags = UNIPHIER_RESET_ACTIVE_LOW, \

    }

​

/* System reset data */

static const struct uniphier_reset_data uniphier_ld4_sys_reset_data[] = {

    UNIPHIER_RESETX(2, 0x2000, 2),      /* NAND */

    UNIPHIER_RESETX(8, 0x2000, 10),     /* STDMAC (Ether, HSC, MIO) */

    UNIPHIER_RESET_END,

};

​

static const struct uniphier_reset_data uniphier_pro4_sys_reset_data[] = {

    UNIPHIER_RESETX(2, 0x2000, 2),      /* NAND */

    UNIPHIER_RESETX(6, 0x2000, 12),     /* Ether */

    UNIPHIER_RESETX(8, 0x2000, 10),     /* STDMAC (HSC, MIO, RLE) */

    UNIPHIER_RESETX(12, 0x2000, 6),     /* GIO (Ether, SATA, USB3) */