linux-imx

/*

 * Device driver for MFD hi655x PMIC

 *

 * Copyright (c) 2016 Hisilicon.

 *

 * Authors:

 * Chen Feng <puck.chen@hisilicon.com>

 * Fei  Wang <w.f@huawei.com>

 *

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

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

​

#include <linux/gpio.h>

#include <linux/io.h>

#include <linux/interrupt.h>

#include <linux/init.h>

#include <linux/mfd/core.h>

#include <linux/mfd/hi655x-pmic.h>

#include <linux/module.h>

#include <linux/of_gpio.h>

#include <linux/of_platform.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

​

static const struct regmap_irq hi655x_irqs[] = {

    { .reg_offset = 0, .mask = OTMP_D1R_INT_MASK },

    { .reg_offset = 0, .mask = VSYS_2P5_R_INT_MASK },

    { .reg_offset = 0, .mask = VSYS_UV_D3R_INT_MASK },

    { .reg_offset = 0, .mask = VSYS_6P0_D200UR_INT_MASK },

    { .reg_offset = 0, .mask = PWRON_D4SR_INT_MASK },

    { .reg_offset = 0, .mask = PWRON_D20F_INT_MASK },

    { .reg_offset = 0, .mask = PWRON_D20R_INT_MASK },

    { .reg_offset = 0, .mask = RESERVE_INT_MASK },

};

​

static const struct regmap_irq_chip hi655x_irq_chip = {

    .name = "hi655x-pmic",

    .irqs = hi655x_irqs,

    .num_regs = 1,

    .num_irqs = ARRAY_SIZE(hi655x_irqs),

    .status_base = HI655X_IRQ_STAT_BASE,

    .ack_base = HI655X_IRQ_STAT_BASE,

    .mask_base = HI655X_IRQ_MASK_BASE,

};

​

static struct regmap_config hi655x_regmap_config = {

    .reg_bits = 32,

    .reg_stride = HI655X_STRIDE,

    .val_bits = 8,

    .max_register = HI655X_BUS_ADDR(0x400) - HI655X_STRIDE,

};

​

static struct resource pwrkey_resources[] = {

    {

        .name   = "down",

        .start  = PWRON_D20R_INT,

        .end    = PWRON_D20R_INT,

        .flags  = IORESOURCE_IRQ,

    }, {

        .name   = "up",

        .start  = PWRON_D20F_INT,