linux-imx

/*

 * wm8994-core.c  --  Device access for Wolfson WM8994

 *

 * Copyright 2009 Wolfson Microelectronics PLC.

 *

 * Author: Mark Brown <broonie@opensource.wolfsonmicro.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.

 *

 */

​

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/slab.h>

#include <linux/i2c.h>

#include <linux/err.h>

#include <linux/delay.h>

#include <linux/mfd/core.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/pm_runtime.h>

#include <linux/regmap.h>

#include <linux/regulator/consumer.h>

#include <linux/regulator/machine.h>

​

#include <linux/mfd/wm8994/core.h>

#include <linux/mfd/wm8994/pdata.h>

#include <linux/mfd/wm8994/registers.h>

​

#include "wm8994.h"

​

static const struct mfd_cell wm8994_regulator_devs[] = {

    {

        .name = "wm8994-ldo",

        .id = 0,

        .pm_runtime_no_callbacks = true,

    },

    {

        .name = "wm8994-ldo",

        .id = 1,

        .pm_runtime_no_callbacks = true,

    },

};

​

static struct resource wm8994_codec_resources[] = {

    {

        .start = WM8994_IRQ_TEMP_SHUT,

        .end   = WM8994_IRQ_TEMP_WARN,

        .flags = IORESOURCE_IRQ,

    },

};

​

static struct resource wm8994_gpio_resources[] = {

    {

        .start = WM8994_IRQ_GPIO(1),

        .end   = WM8994_IRQ_GPIO(11),

        .flags = IORESOURCE_IRQ,

    },

};

​

static const struct mfd_cell wm8994_devs[] = {

    {

        .name = "wm8994-codec",

        .num_resources = ARRAY_SIZE(wm8994_codec_resources),

        .resources = wm8994_codec_resources,

    },

​

    {

        .name = "wm8994-gpio",

        .num_resources = ARRAY_SIZE(wm8994_gpio_resources),

        .resources = wm8994_gpio_resources,

        .pm_runtime_no_callbacks = true,

    },

};

​

/*

 * Supplies for the main bulk of CODEC; the LDO supplies are ignored

 * and should be handled via the standard regulator API supply

 * management.

 */

static const char *wm1811_main_supplies[] = {

    "DBVDD1",

    "DBVDD2",

    "DBVDD3",

    "DCVDD",

    "AVDD1",

    "AVDD2",

    "CPVDD",

    "SPKVDD1",