linux-imx

/*

 * Regulator driver for LP873X PMIC

 *

 * Copyright (C) 2016 Texas Instruments Incorporated - http://www.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.

 */

​

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

​

#include <linux/mfd/lp873x.h>

​

#define LP873X_REGULATOR(_name, _id, _of, _ops, _n, _vr, _vm, _er, _em, \

             _delay, _lr, _cr)              \

    [_id] = {                           \

        .desc = {                       \

            .name           = _name,        \

            .supply_name        = _of "-in",        \

            .id         = _id,          \

            .of_match       = of_match_ptr(_of),    \

            .regulators_node    = of_match_ptr("regulators"),\

            .ops            = &_ops,        \

            .n_voltages     = _n,           \

            .type           = REGULATOR_VOLTAGE,    \

            .owner          = THIS_MODULE,      \

            .vsel_reg       = _vr,          \

            .vsel_mask      = _vm,          \

            .enable_reg     = _er,          \

            .enable_mask        = _em,          \

            .ramp_delay     = _delay,       \

            .linear_ranges      = _lr,          \

            .n_linear_ranges    = ARRAY_SIZE(_lr),  \

            .curr_table = lp873x_buck_uA,       \

            .n_current_limits = ARRAY_SIZE(lp873x_buck_uA), \

            .csel_reg   = (_cr),            \

            .csel_mask  = LP873X_BUCK0_CTRL_2_BUCK0_ILIM,\

        },                          \

        .ctrl2_reg = _cr,                   \

    }

​

struct lp873x_regulator {

    struct regulator_desc desc;

    unsigned int ctrl2_reg;

};

​

static const struct lp873x_regulator regulators[];

​

static const struct regulator_linear_range buck0_buck1_ranges[] = {

    REGULATOR_LINEAR_RANGE(0, 0x0, 0x13, 0),

    REGULATOR_LINEAR_RANGE(700000, 0x14, 0x17, 10000),

    REGULATOR_LINEAR_RANGE(735000, 0x18, 0x9d, 5000),

    REGULATOR_LINEAR_RANGE(1420000, 0x9e, 0xff, 20000),

};

​