linux-imx

/*

 * Regulator driver for TI TPS65912x PMICs

 *

 * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/

 *  Andrew F. Davis <afd@ti.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 TPS65218 driver and the previous TPS65912 driver by

 * Margarita Olaya Cabrera <magi@slimlogic.co.uk>

 */

​

#include <linux/module.h>

#include <linux/mod_devicetable.h>

#include <linux/platform_device.h>

#include <linux/regulator/driver.h>

​

#include <linux/mfd/tps65912.h>

​

enum tps65912_regulators { DCDC1, DCDC2, DCDC3, DCDC4, LDO1, LDO2, LDO3,

    LDO4, LDO5, LDO6, LDO7, LDO8, LDO9, LDO10 };

​

#define TPS65912_REGULATOR(_name, _id, _of_match, _ops, _vr, _er, _lr)  \

    [_id] = {                           \

        .name           = _name,            \

        .of_match       = _of_match,            \

        .regulators_node    = "regulators",         \

        .id         = _id,              \

        .ops            = &_ops,            \

        .n_voltages     = 64,               \

        .type           = REGULATOR_VOLTAGE,        \

        .owner          = THIS_MODULE,          \

        .vsel_reg       = _vr,              \

        .vsel_mask      = 0x3f,             \

        .enable_reg     = _er,              \

        .enable_mask        = BIT(7),           \

        .volt_table     = NULL,             \

        .linear_ranges      = _lr,              \

        .n_linear_ranges    = ARRAY_SIZE(_lr),      \

    }

​

static const struct regulator_linear_range tps65912_dcdc_ranges[] = {

    REGULATOR_LINEAR_RANGE(500000, 0x0, 0x3f, 50000),

};

​

static const struct regulator_linear_range tps65912_ldo_ranges[] = {

    REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 25000),

    REGULATOR_LINEAR_RANGE(1650000, 0x21, 0x3c, 50000),

    REGULATOR_LINEAR_RANGE(3100000, 0x3d, 0x3f, 100000),

};

​

/* Operations permitted on DCDCx */

static struct regulator_ops tps65912_ops_dcdc = {

    .is_enabled     = regulator_is_enabled_regmap,

    .enable         = regulator_enable_regmap,

    .disable        = regulator_disable_regmap,