linux-imx

/*

 * Regulator driver for Ricoh RN5T618 PMIC

 *

 * Copyright (C) 2014 Beniamino Galvani <b.galvani@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.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. If not, see <http://www.gnu.org/licenses/>.

 */

​

#include <linux/mfd/rn5t618.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

#include <linux/regulator/driver.h>

#include <linux/regulator/of_regulator.h>

​

static const struct regulator_ops rn5t618_reg_ops = {

    .enable         = regulator_enable_regmap,

    .disable        = regulator_disable_regmap,

    .is_enabled     = regulator_is_enabled_regmap,

    .set_voltage_sel    = regulator_set_voltage_sel_regmap,

    .get_voltage_sel    = regulator_get_voltage_sel_regmap,

    .list_voltage       = regulator_list_voltage_linear,

};

​

#define REG(rid, ereg, emask, vreg, vmask, min, max, step)      \

    {                               \

        .name       = #rid,                 \

        .of_match   = of_match_ptr(#rid),           \

        .regulators_node = of_match_ptr("regulators"),      \

        .id     = RN5T618_##rid,            \

        .type       = REGULATOR_VOLTAGE,            \

        .owner      = THIS_MODULE,              \

        .ops        = &rn5t618_reg_ops,         \

        .n_voltages = ((max) - (min)) / (step) + 1,     \

        .min_uV     = (min),                \

        .uV_step    = (step),               \

        .enable_reg = RN5T618_##ereg,           \

        .enable_mask    = (emask),              \

        .vsel_reg   = RN5T618_##vreg,           \

        .vsel_mask  = (vmask),              \

    }

​

static struct regulator_desc rn5t567_regulators[] = {

    /* DCDC */

    REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),

    REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),

    REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),

    REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500),

    /* LDO */

    REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),

    REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),

    REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 600000, 3500000, 25000),

    REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),

    REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 900000, 3500000, 25000),

    /* LDO RTC */

    REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1200000, 3500000, 25000),

    REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),