linux-imx

/*

 * ROHM BD9571MWV-M MFD driver

 *

 * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.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.

 *

 * This program is distributed "as is" WITHOUT ANY WARRANTY of any

 * kind, whether expressed or implied; without even the implied warranty

 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License version 2 for more details.

 *

 * Based on the TPS65086 driver

 */

​

#include <linux/i2c.h>

#include <linux/interrupt.h>

#include <linux/mfd/core.h>

#include <linux/module.h>

​

#include <linux/mfd/bd9571mwv.h>

​

static const struct mfd_cell bd9571mwv_cells[] = {

    { .name = "bd9571mwv-regulator", },

    { .name = "bd9571mwv-gpio", },

};

​

static const struct regmap_range bd9571mwv_readable_yes_ranges[] = {

    regmap_reg_range(BD9571MWV_VENDOR_CODE, BD9571MWV_PRODUCT_REVISION),

    regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT),

    regmap_reg_range(BD9571MWV_AVS_SET_MONI, BD9571MWV_AVS_DVFS_VID(3)),

    regmap_reg_range(BD9571MWV_VD18_VID, BD9571MWV_VD33_VID),

    regmap_reg_range(BD9571MWV_DVFS_VINIT, BD9571MWV_DVFS_VINIT),

    regmap_reg_range(BD9571MWV_DVFS_SETVMAX, BD9571MWV_DVFS_MONIVDAC),

    regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN),

    regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INTMASK),

    regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTMASK),

};

​

static const struct regmap_access_table bd9571mwv_readable_table = {

    .yes_ranges = bd9571mwv_readable_yes_ranges,

    .n_yes_ranges   = ARRAY_SIZE(bd9571mwv_readable_yes_ranges),

};

​

static const struct regmap_range bd9571mwv_writable_yes_ranges[] = {

    regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT),

    regmap_reg_range(BD9571MWV_AVS_VD09_VID(0), BD9571MWV_AVS_VD09_VID(3)),

    regmap_reg_range(BD9571MWV_DVFS_SETVID, BD9571MWV_DVFS_SETVID),

    regmap_reg_range(BD9571MWV_GPIO_DIR, BD9571MWV_GPIO_OUT),

    regmap_reg_range(BD9571MWV_GPIO_INT_SET, BD9571MWV_GPIO_INTMASK),

    regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTMASK),

};

​

static const struct regmap_access_table bd9571mwv_writable_table = {

    .yes_ranges = bd9571mwv_writable_yes_ranges,

    .n_yes_ranges   = ARRAY_SIZE(bd9571mwv_writable_yes_ranges),

};

​

static const struct regmap_range bd9571mwv_volatile_yes_ranges[] = {

    regmap_reg_range(BD9571MWV_DVFS_MONIVDAC, BD9571MWV_DVFS_MONIVDAC),

    regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN),

    regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INT),

    regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTREQ),

};

​

static const struct regmap_access_table bd9571mwv_volatile_table = {

    .yes_ranges = bd9571mwv_volatile_yes_ranges,

    .n_yes_ranges   = ARRAY_SIZE(bd9571mwv_volatile_yes_ranges),

};

​

static const struct regmap_config bd9571mwv_regmap_config = {

    .reg_bits   = 8,

    .val_bits   = 8,

    .cache_type = REGCACHE_RBTREE,

    .rd_table   = &bd9571mwv_readable_table,

    .wr_table   = &bd9571mwv_writable_table,

    .volatile_table = &bd9571mwv_volatile_table,

    .max_register   = 0xff,

};

​

static const struct regmap_irq bd9571mwv_irqs[] = {

    REGMAP_IRQ_REG(BD9571MWV_IRQ_MD1, 0,

               BD9571MWV_INT_INTREQ_MD1_INT),

    REGMAP_IRQ_REG(BD9571MWV_IRQ_MD2_E1, 0,

               BD9571MWV_INT_INTREQ_MD2_E1_INT),

    REGMAP_IRQ_REG(BD9571MWV_IRQ_MD2_E2, 0,

               BD9571MWV_INT_INTREQ_MD2_E2_INT),

    REGMAP_IRQ_REG(BD9571MWV_IRQ_PROT_ERR, 0,

               BD9571MWV_INT_INTREQ_PROT_ERR_INT),

    REGMAP_IRQ_REG(BD9571MWV_IRQ_GP, 0,