linux-imx

/*

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

 *

 * Author: 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 TPS65912 driver

 */

​

#include <linux/module.h>

#include <linux/of.h>

#include <linux/platform_device.h>

#include <linux/regulator/driver.h>

​

#include <linux/mfd/tps65086.h>

​

enum tps65086_regulators { BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, LDOA1,

    LDOA2, LDOA3, SWA1, SWB1, SWB2, VTT };

​

#define TPS65086_REGULATOR(_name, _of, _id, _nv, _vr, _vm, _er, _em, _lr, _dr, _dm) \

    [_id] = {                           \

        .desc = {                       \

            .name           = _name,        \

            .of_match       = of_match_ptr(_of),    \

            .regulators_node    = "regulators",     \

            .of_parse_cb        = tps65086_of_parse_cb, \

            .id         = _id,          \

            .ops            = &reg_ops,     \

            .n_voltages     = _nv,          \

            .type           = REGULATOR_VOLTAGE,    \

            .owner          = THIS_MODULE,      \

            .vsel_reg       = _vr,          \

            .vsel_mask      = _vm,          \

            .enable_reg     = _er,          \

            .enable_mask        = _em,          \

            .volt_table     = NULL,         \

            .linear_ranges      = _lr,          \

            .n_linear_ranges    = ARRAY_SIZE(_lr),  \

        },                          \

        .decay_reg = _dr,                   \

        .decay_mask = _dm,                  \

    }

​

#define TPS65086_SWITCH(_name, _of, _id, _er, _em)          \

    [_id] = {                           \

        .desc = {                       \

            .name           = _name,        \

            .of_match       = of_match_ptr(_of),    \

            .regulators_node    = "regulators",     \

            .of_parse_cb        = tps65086_of_parse_cb, \

            .id         = _id,          \

            .ops            = &switch_ops,      \

            .type           = REGULATOR_VOLTAGE,    \

            .owner          = THIS_MODULE,      \

            .enable_reg     = _er,          \

            .enable_mask        = _em,          \

        },                          \

    }

​

struct tps65086_regulator {

    struct regulator_desc desc;

    unsigned int decay_reg;

    unsigned int decay_mask;

};

​

static const struct regulator_linear_range tps65086_10mv_ranges[] = {

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

    REGULATOR_LINEAR_RANGE(410000, 0x1, 0x7F, 10000),

};

​

static const struct regulator_linear_range tps65086_buck126_25mv_ranges[] = {

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

    REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x18, 0),

    REGULATOR_LINEAR_RANGE(1025000, 0x19, 0x7F, 25000),

};

​

static const struct regulator_linear_range tps65086_buck345_25mv_ranges[] = {

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

    REGULATOR_LINEAR_RANGE(425000, 0x1, 0x7F, 25000),

};

​

static const struct regulator_linear_range tps65086_ldoa1_ranges[] = {

    REGULATOR_LINEAR_RANGE(1350000, 0x0, 0x0, 0),

    REGULATOR_LINEAR_RANGE(1500000, 0x1, 0x7, 100000),