Merge remote-tracking branch 'regulator/topic/da9063' into regulator-next
This commit is contained in:
Mark Brown
commit
62696579a0
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@ -157,6 +157,26 @@ config REGULATOR_DA9055
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This driver can also be built as a module. If so, the module
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will be called da9055-regulator.
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|
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config REGULATOR_DA9063
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tristate "Dialog Semiconductor DA9063 regulators"
|
||||
depends on MFD_DA9063
|
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help
|
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Say y here to support the BUCKs and LDOs regulators found on
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||||
DA9063 PMICs.
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|
||||
This driver can also be built as a module. If so, the module
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will be called da9063-regulator.
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||||
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config REGULATOR_DA9210
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tristate "Dialog Semiconductor DA9210 regulator"
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depends on I2C
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select REGMAP_I2C
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help
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Say y here to support for the Dialog Semiconductor DA9210.
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The DA9210 is a multi-phase synchronous step down
|
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converter 12A DC-DC Buck controlled through an I2C
|
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interface.
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config REGULATOR_DBX500_PRCMU
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bool
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@ -21,6 +21,8 @@ obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
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obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
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obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
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obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o
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obj-$(CONFIG_REGULATOR_DA9063) += da9063-regulator.o
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obj-$(CONFIG_REGULATOR_DA9210) += da9210-regulator.o
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obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
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obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
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obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o
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|
|
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@ -0,0 +1,934 @@
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/*
|
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* Regulator driver for DA9063 PMIC series
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*
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* Copyright 2012 Dialog Semiconductors Ltd.
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* Copyright 2013 Philipp Zabel, Pengutronix
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*
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||||
* Author: Krystian Garbaciak <krystian.garbaciak@diasemi.com>
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||||
*
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||||
* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
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||||
* option) any later version.
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||||
*
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||||
*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/slab.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/regmap.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/of_regulator.h>
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#include <linux/mfd/da9063/core.h>
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#include <linux/mfd/da9063/pdata.h>
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#include <linux/mfd/da9063/registers.h>
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/* Definition for registering regmap bit fields using a mask */
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#define BFIELD(_reg, _mask) \
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REG_FIELD(_reg, __builtin_ffs((int)_mask) - 1, \
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sizeof(unsigned int) * 8 - __builtin_clz((_mask)) - 1)
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/* Regulator capabilities and registers description */
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struct da9063_regulator_info {
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struct regulator_desc desc;
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/* Current limiting */
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unsigned n_current_limits;
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const int *current_limits;
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/* DA9063 main register fields */
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struct reg_field mode; /* buck mode of operation */
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struct reg_field suspend;
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struct reg_field sleep;
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struct reg_field suspend_sleep;
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unsigned int suspend_vsel_reg;
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struct reg_field ilimit;
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/* DA9063 event detection bit */
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struct reg_field oc_event;
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};
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/* Macros for LDO */
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#define DA9063_LDO(chip, regl_name, min_mV, step_mV, max_mV) \
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.desc.id = chip##_ID_##regl_name, \
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.desc.name = __stringify(chip##_##regl_name), \
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.desc.ops = &da9063_ldo_ops, \
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.desc.min_uV = (min_mV) * 1000, \
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.desc.uV_step = (step_mV) * 1000, \
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.desc.n_voltages = (((max_mV) - (min_mV))/(step_mV) + 1), \
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.desc.enable_reg = DA9063_REG_##regl_name##_CONT, \
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.desc.enable_mask = DA9063_LDO_EN, \
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.desc.vsel_reg = DA9063_REG_V##regl_name##_A, \
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.desc.vsel_mask = DA9063_V##regl_name##_MASK, \
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.desc.linear_min_sel = DA9063_V##regl_name##_BIAS, \
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.sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_LDO_SL), \
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.suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_LDO_SL), \
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.suspend_vsel_reg = DA9063_REG_V##regl_name##_B
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/* Macros for voltage DC/DC converters (BUCKs) */
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#define DA9063_BUCK(chip, regl_name, min_mV, step_mV, max_mV, limits_array) \
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.desc.id = chip##_ID_##regl_name, \
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.desc.name = __stringify(chip##_##regl_name), \
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.desc.ops = &da9063_buck_ops, \
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.desc.min_uV = (min_mV) * 1000, \
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.desc.uV_step = (step_mV) * 1000, \
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.desc.n_voltages = ((max_mV) - (min_mV))/(step_mV) + 1, \
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.current_limits = limits_array, \
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.n_current_limits = ARRAY_SIZE(limits_array)
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#define DA9063_BUCK_COMMON_FIELDS(regl_name) \
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.desc.enable_reg = DA9063_REG_##regl_name##_CONT, \
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.desc.enable_mask = DA9063_BUCK_EN, \
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.desc.vsel_reg = DA9063_REG_V##regl_name##_A, \
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.desc.vsel_mask = DA9063_VBUCK_MASK, \
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.desc.linear_min_sel = DA9063_VBUCK_BIAS, \
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.sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_BUCK_SL), \
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.suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_BUCK_SL), \
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.suspend_vsel_reg = DA9063_REG_V##regl_name##_B, \
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.mode = BFIELD(DA9063_REG_##regl_name##_CFG, DA9063_BUCK_MODE_MASK)
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/* Defines asignment of regulators info table to chip model */
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struct da9063_dev_model {
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||||
const struct da9063_regulator_info *regulator_info;
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||||
unsigned n_regulators;
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unsigned dev_model;
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||||
};
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||||
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||||
/* Single regulator settings */
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||||
struct da9063_regulator {
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||||
struct regulator_desc desc;
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struct regulator_dev *rdev;
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struct da9063 *hw;
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||||
const struct da9063_regulator_info *info;
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||||
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||||
struct regmap_field *mode;
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struct regmap_field *suspend;
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struct regmap_field *sleep;
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||||
struct regmap_field *suspend_sleep;
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struct regmap_field *ilimit;
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||||
};
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||||
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/* Encapsulates all information for the regulators driver */
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struct da9063_regulators {
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int irq_ldo_lim;
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int irq_uvov;
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||||
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||||
unsigned n_regulators;
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/* Array size to be defined during init. Keep at end. */
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||||
struct da9063_regulator regulator[0];
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||||
};
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||||
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||||
/* BUCK modes for DA9063 */
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||||
enum {
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||||
BUCK_MODE_MANUAL, /* 0 */
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BUCK_MODE_SLEEP, /* 1 */
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||||
BUCK_MODE_SYNC, /* 2 */
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BUCK_MODE_AUTO /* 3 */
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||||
};
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/* Regulator operations */
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/* Current limits array (in uA) for BCORE1, BCORE2, BPRO.
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Entry indexes corresponds to register values. */
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static const int da9063_buck_a_limits[] = {
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500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000,
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1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000
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};
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/* Current limits array (in uA) for BMEM, BIO, BPERI.
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Entry indexes corresponds to register values. */
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static const int da9063_buck_b_limits[] = {
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1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000,
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2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000
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};
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/* Current limits array (in uA) for merged BCORE1 and BCORE2.
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Entry indexes corresponds to register values. */
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static const int da9063_bcores_merged_limits[] = {
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1000000, 1200000, 1400000, 1600000, 1800000, 2000000, 2200000, 2400000,
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2600000, 2800000, 3000000, 3200000, 3400000, 3600000, 3800000, 4000000
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};
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/* Current limits array (in uA) for merged BMEM and BIO.
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Entry indexes corresponds to register values. */
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static const int da9063_bmem_bio_merged_limits[] = {
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3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000,
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4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000
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};
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static int da9063_set_current_limit(struct regulator_dev *rdev,
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int min_uA, int max_uA)
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{
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struct da9063_regulator *regl = rdev_get_drvdata(rdev);
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const struct da9063_regulator_info *rinfo = regl->info;
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int n, tval;
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for (n = 0; n < rinfo->n_current_limits; n++) {
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tval = rinfo->current_limits[n];
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if (tval >= min_uA && tval <= max_uA)
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return regmap_field_write(regl->ilimit, n);
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}
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return -EINVAL;
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}
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static int da9063_get_current_limit(struct regulator_dev *rdev)
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{
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struct da9063_regulator *regl = rdev_get_drvdata(rdev);
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const struct da9063_regulator_info *rinfo = regl->info;
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unsigned int sel;
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int ret;
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ret = regmap_field_read(regl->ilimit, &sel);
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if (ret < 0)
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return ret;
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if (sel >= rinfo->n_current_limits)
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sel = rinfo->n_current_limits - 1;
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return rinfo->current_limits[sel];
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}
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static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned mode)
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{
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struct da9063_regulator *regl = rdev_get_drvdata(rdev);
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unsigned val;
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||||
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||||
switch (mode) {
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||||
case REGULATOR_MODE_FAST:
|
||||
val = BUCK_MODE_SYNC;
|
||||
break;
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||||
case REGULATOR_MODE_NORMAL:
|
||||
val = BUCK_MODE_AUTO;
|
||||
break;
|
||||
case REGULATOR_MODE_STANDBY:
|
||||
val = BUCK_MODE_SLEEP;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
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||||
}
|
||||
|
||||
return regmap_field_write(regl->mode, val);
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||||
}
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||||
|
||||
/*
|
||||
* Bucks use single mode register field for normal operation
|
||||
* and suspend state.
|
||||
* There are 3 modes to map to: FAST, NORMAL, and STANDBY.
|
||||
*/
|
||||
|
||||
static unsigned da9063_buck_get_mode(struct regulator_dev *rdev)
|
||||
{
|
||||
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
|
||||
struct regmap_field *field;
|
||||
unsigned int val, mode = 0;
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||||
int ret;
|
||||
|
||||
ret = regmap_field_read(regl->mode, &val);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
switch (val) {
|
||||
default:
|
||||
case BUCK_MODE_MANUAL:
|
||||
mode = REGULATOR_MODE_FAST | REGULATOR_MODE_STANDBY;
|
||||
/* Sleep flag bit decides the mode */
|
||||
break;
|
||||
case BUCK_MODE_SLEEP:
|
||||
return REGULATOR_MODE_STANDBY;
|
||||
case BUCK_MODE_SYNC:
|
||||
return REGULATOR_MODE_FAST;
|
||||
case BUCK_MODE_AUTO:
|
||||
return REGULATOR_MODE_NORMAL;
|
||||
}
|
||||
|
||||
/* Detect current regulator state */
|
||||
ret = regmap_field_read(regl->suspend, &val);
|
||||
if (ret < 0)
|
||||
return 0;
|
||||
|
||||
/* Read regulator mode from proper register, depending on state */
|
||||
if (val)
|
||||
field = regl->suspend_sleep;
|
||||
else
|
||||
field = regl->sleep;
|
||||
|
||||
ret = regmap_field_read(field, &val);
|
||||
if (ret < 0)
|
||||
return 0;
|
||||
|
||||
if (val)
|
||||
mode &= REGULATOR_MODE_STANDBY;
|
||||
else
|
||||
mode &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_FAST;
|
||||
|
||||
return mode;
|
||||
}
|
||||
|
||||
/*
|
||||
* LDOs use sleep flags - one for normal and one for suspend state.
|
||||
* There are 2 modes to map to: NORMAL and STANDBY (sleep) for each state.
|
||||
*/
|
||||
|
||||
static int da9063_ldo_set_mode(struct regulator_dev *rdev, unsigned mode)
|
||||
{
|
||||
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
|
||||
unsigned val;
|
||||
|
||||
switch (mode) {
|
||||
case REGULATOR_MODE_NORMAL:
|
||||
val = 0;
|
||||
break;
|
||||
case REGULATOR_MODE_STANDBY:
|
||||
val = 1;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return regmap_field_write(regl->sleep, val);
|
||||
}
|
||||
|
||||
static unsigned da9063_ldo_get_mode(struct regulator_dev *rdev)
|
||||
{
|
||||
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
|
||||
struct regmap_field *field;
|
||||
int ret, val;
|
||||
|
||||
/* Detect current regulator state */
|
||||
ret = regmap_field_read(regl->suspend, &val);
|
||||
if (ret < 0)
|
||||
return 0;
|
||||
|
||||
/* Read regulator mode from proper register, depending on state */
|
||||
if (val)
|
||||
field = regl->suspend_sleep;
|
||||
else
|
||||
field = regl->sleep;
|
||||
|
||||
ret = regmap_field_read(field, &val);
|
||||
if (ret < 0)
|
||||
return 0;
|
||||
|
||||
if (val)
|
||||
return REGULATOR_MODE_STANDBY;
|
||||
else
|
||||
return REGULATOR_MODE_NORMAL;
|
||||
}
|
||||
|
||||
static int da9063_buck_get_status(struct regulator_dev *rdev)
|
||||
{
|
||||
int ret = regulator_is_enabled_regmap(rdev);
|
||||
|
||||
if (ret == 0) {
|
||||
ret = REGULATOR_STATUS_OFF;
|
||||
} else if (ret > 0) {
|
||||
ret = da9063_buck_get_mode(rdev);
|
||||
if (ret > 0)
|
||||
ret = regulator_mode_to_status(ret);
|
||||
else if (ret == 0)
|
||||
ret = -EIO;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int da9063_ldo_get_status(struct regulator_dev *rdev)
|
||||
{
|
||||
int ret = regulator_is_enabled_regmap(rdev);
|
||||
|
||||
if (ret == 0) {
|
||||
ret = REGULATOR_STATUS_OFF;
|
||||
} else if (ret > 0) {
|
||||
ret = da9063_ldo_get_mode(rdev);
|
||||
if (ret > 0)
|
||||
ret = regulator_mode_to_status(ret);
|
||||
else if (ret == 0)
|
||||
ret = -EIO;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int da9063_set_suspend_voltage(struct regulator_dev *rdev, int uV)
|
||||
{
|
||||
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
|
||||
const struct da9063_regulator_info *rinfo = regl->info;
|
||||
int ret, sel;
|
||||
|
||||
sel = regulator_map_voltage_linear(rdev, uV, uV);
|
||||
if (sel < 0)
|
||||
return -EINVAL;
|
||||
|
||||
sel <<= ffs(rdev->desc->vsel_mask) - 1;
|
||||
|
||||
ret = regmap_update_bits(regl->hw->regmap, rinfo->suspend_vsel_reg,
|
||||
rdev->desc->vsel_mask, sel);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int da9063_suspend_enable(struct regulator_dev *rdev)
|
||||
{
|
||||
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
|
||||
|
||||
return regmap_field_write(regl->suspend, 1);
|
||||
}
|
||||
|
||||
static int da9063_suspend_disable(struct regulator_dev *rdev)
|
||||
{
|
||||
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
|
||||
|
||||
return regmap_field_write(regl->suspend, 0);
|
||||
}
|
||||
|
||||
static int da9063_buck_set_suspend_mode(struct regulator_dev *rdev, unsigned mode)
|
||||
{
|
||||
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
|
||||
int val;
|
||||
|
||||
switch (mode) {
|
||||
case REGULATOR_MODE_FAST:
|
||||
val = BUCK_MODE_SYNC;
|
||||
break;
|
||||
case REGULATOR_MODE_NORMAL:
|
||||
val = BUCK_MODE_AUTO;
|
||||
break;
|
||||
case REGULATOR_MODE_STANDBY:
|
||||
val = BUCK_MODE_SLEEP;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return regmap_field_write(regl->mode, val);
|
||||
}
|
||||
|
||||
static int da9063_ldo_set_suspend_mode(struct regulator_dev *rdev, unsigned mode)
|
||||
{
|
||||
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
|
||||
unsigned val;
|
||||
|
||||
switch (mode) {
|
||||
case REGULATOR_MODE_NORMAL:
|
||||
val = 0;
|
||||
break;
|
||||
case REGULATOR_MODE_STANDBY:
|
||||
val = 1;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return regmap_field_write(regl->suspend_sleep, val);
|
||||
}
|
||||
|
||||
static struct regulator_ops da9063_buck_ops = {
|
||||
.enable = regulator_enable_regmap,
|
||||
.disable = regulator_disable_regmap,
|
||||
.is_enabled = regulator_is_enabled_regmap,
|
||||
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
||||
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
||||
.list_voltage = regulator_list_voltage_linear,
|
||||
.set_current_limit = da9063_set_current_limit,
|
||||
.get_current_limit = da9063_get_current_limit,
|
||||
.set_mode = da9063_buck_set_mode,
|
||||
.get_mode = da9063_buck_get_mode,
|
||||
.get_status = da9063_buck_get_status,
|
||||
.set_suspend_voltage = da9063_set_suspend_voltage,
|
||||
.set_suspend_enable = da9063_suspend_enable,
|
||||
.set_suspend_disable = da9063_suspend_disable,
|
||||
.set_suspend_mode = da9063_buck_set_suspend_mode,
|
||||
};
|
||||
|
||||
static struct regulator_ops da9063_ldo_ops = {
|
||||
.enable = regulator_enable_regmap,
|
||||
.disable = regulator_disable_regmap,
|
||||
.is_enabled = regulator_is_enabled_regmap,
|
||||
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
||||
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
||||
.list_voltage = regulator_list_voltage_linear,
|
||||
.set_mode = da9063_ldo_set_mode,
|
||||
.get_mode = da9063_ldo_get_mode,
|
||||
.get_status = da9063_ldo_get_status,
|
||||
.set_suspend_voltage = da9063_set_suspend_voltage,
|
||||
.set_suspend_enable = da9063_suspend_enable,
|
||||
.set_suspend_disable = da9063_suspend_disable,
|
||||
.set_suspend_mode = da9063_ldo_set_suspend_mode,
|
||||
};
|
||||
|
||||
/* Info of regulators for DA9063 */
|
||||
static const struct da9063_regulator_info da9063_regulator_info[] = {
|
||||
{
|
||||
DA9063_BUCK(DA9063, BCORE1, 300, 10, 1570,
|
||||
da9063_buck_a_limits),
|
||||
DA9063_BUCK_COMMON_FIELDS(BCORE1),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE1_SEL),
|
||||
.ilimit = BFIELD(DA9063_REG_BUCK_ILIM_C,
|
||||
DA9063_BCORE1_ILIM_MASK),
|
||||
},
|
||||
{
|
||||
DA9063_BUCK(DA9063, BCORE2, 300, 10, 1570,
|
||||
da9063_buck_a_limits),
|
||||
DA9063_BUCK_COMMON_FIELDS(BCORE2),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE2_SEL),
|
||||
.ilimit = BFIELD(DA9063_REG_BUCK_ILIM_C,
|
||||
DA9063_BCORE2_ILIM_MASK),
|
||||
},
|
||||
{
|
||||
DA9063_BUCK(DA9063, BPRO, 530, 10, 1800,
|
||||
da9063_buck_a_limits),
|
||||
DA9063_BUCK_COMMON_FIELDS(BPRO),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBPRO_SEL),
|
||||
.ilimit = BFIELD(DA9063_REG_BUCK_ILIM_B,
|
||||
DA9063_BPRO_ILIM_MASK),
|
||||
},
|
||||
{
|
||||
DA9063_BUCK(DA9063, BMEM, 800, 20, 3340,
|
||||
da9063_buck_b_limits),
|
||||
DA9063_BUCK_COMMON_FIELDS(BMEM),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBMEM_SEL),
|
||||
.ilimit = BFIELD(DA9063_REG_BUCK_ILIM_A,
|
||||
DA9063_BMEM_ILIM_MASK),
|
||||
},
|
||||
{
|
||||
DA9063_BUCK(DA9063, BIO, 800, 20, 3340,
|
||||
da9063_buck_b_limits),
|
||||
DA9063_BUCK_COMMON_FIELDS(BIO),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_2, DA9063_VBIO_SEL),
|
||||
.ilimit = BFIELD(DA9063_REG_BUCK_ILIM_A,
|
||||
DA9063_BIO_ILIM_MASK),
|
||||
},
|
||||
{
|
||||
DA9063_BUCK(DA9063, BPERI, 800, 20, 3340,
|
||||
da9063_buck_b_limits),
|
||||
DA9063_BUCK_COMMON_FIELDS(BPERI),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBPERI_SEL),
|
||||
.ilimit = BFIELD(DA9063_REG_BUCK_ILIM_B,
|
||||
DA9063_BPERI_ILIM_MASK),
|
||||
},
|
||||
{
|
||||
DA9063_BUCK(DA9063, BCORES_MERGED, 300, 10, 1570,
|
||||
da9063_bcores_merged_limits),
|
||||
/* BCORES_MERGED uses the same register fields as BCORE1 */
|
||||
DA9063_BUCK_COMMON_FIELDS(BCORE1),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE1_SEL),
|
||||
.ilimit = BFIELD(DA9063_REG_BUCK_ILIM_C,
|
||||
DA9063_BCORE1_ILIM_MASK),
|
||||
},
|
||||
{
|
||||
DA9063_BUCK(DA9063, BMEM_BIO_MERGED, 800, 20, 3340,
|
||||
da9063_bmem_bio_merged_limits),
|
||||
/* BMEM_BIO_MERGED uses the same register fields as BMEM */
|
||||
DA9063_BUCK_COMMON_FIELDS(BMEM),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBMEM_SEL),
|
||||
.ilimit = BFIELD(DA9063_REG_BUCK_ILIM_A,
|
||||
DA9063_BMEM_ILIM_MASK),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO1, 600, 20, 1860),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO1_SEL),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO2, 600, 20, 1860),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO2_SEL),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO3, 900, 20, 3440),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO3_SEL),
|
||||
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO3_LIM),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO4, 900, 20, 3440),
|
||||
.suspend = BFIELD(DA9063_REG_DVC_2, DA9063_VLDO4_SEL),
|
||||
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO4_LIM),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO5, 900, 50, 3600),
|
||||
.suspend = BFIELD(DA9063_REG_LDO5_CONT, DA9063_VLDO5_SEL),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO6, 900, 50, 3600),
|
||||
.suspend = BFIELD(DA9063_REG_LDO6_CONT, DA9063_VLDO6_SEL),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO7, 900, 50, 3600),
|
||||
.suspend = BFIELD(DA9063_REG_LDO7_CONT, DA9063_VLDO7_SEL),
|
||||
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO7_LIM),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO8, 900, 50, 3600),
|
||||
.suspend = BFIELD(DA9063_REG_LDO8_CONT, DA9063_VLDO8_SEL),
|
||||
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO8_LIM),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO9, 950, 50, 3600),
|
||||
.suspend = BFIELD(DA9063_REG_LDO9_CONT, DA9063_VLDO9_SEL),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO10, 900, 50, 3600),
|
||||
.suspend = BFIELD(DA9063_REG_LDO10_CONT, DA9063_VLDO10_SEL),
|
||||
},
|
||||
{
|
||||
DA9063_LDO(DA9063, LDO11, 900, 50, 3600),
|
||||
.suspend = BFIELD(DA9063_REG_LDO11_CONT, DA9063_VLDO11_SEL),
|
||||
.oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO11_LIM),
|
||||
},
|
||||
};
|
||||
|
||||
/* Link chip model with regulators info table */
|
||||
static struct da9063_dev_model regulators_models[] = {
|
||||
{
|
||||
.regulator_info = da9063_regulator_info,
|
||||
.n_regulators = ARRAY_SIZE(da9063_regulator_info),
|
||||
.dev_model = PMIC_DA9063,
|
||||
},
|
||||
{ }
|
||||
};
|
||||
|
||||
/* Regulator interrupt handlers */
|
||||
static irqreturn_t da9063_ldo_lim_event(int irq, void *data)
|
||||
{
|
||||
struct da9063_regulators *regulators = data;
|
||||
struct da9063 *hw = regulators->regulator[0].hw;
|
||||
struct da9063_regulator *regl;
|
||||
int bits, i , ret;
|
||||
|
||||
ret = regmap_read(hw->regmap, DA9063_REG_STATUS_D, &bits);
|
||||
if (ret < 0)
|
||||
return IRQ_NONE;
|
||||
|
||||
for (i = regulators->n_regulators - 1; i >= 0; i--) {
|
||||
regl = ®ulators->regulator[i];
|
||||
if (regl->info->oc_event.reg != DA9063_REG_STATUS_D)
|
||||
continue;
|
||||
|
||||
if (BIT(regl->info->oc_event.lsb) & bits)
|
||||
regulator_notifier_call_chain(regl->rdev,
|
||||
REGULATOR_EVENT_OVER_CURRENT, NULL);
|
||||
}
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
/*
|
||||
* Probing and Initialisation functions
|
||||
*/
|
||||
static const struct regulator_init_data *da9063_get_regulator_initdata(
|
||||
const struct da9063_regulators_pdata *regl_pdata, int id)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < regl_pdata->n_regulators; i++) {
|
||||
if (id == regl_pdata->regulator_data[i].id)
|
||||
return regl_pdata->regulator_data[i].initdata;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_OF
|
||||
static struct of_regulator_match da9063_matches[] = {
|
||||
[DA9063_ID_BCORE1] = { .name = "bcore1" },
|
||||
[DA9063_ID_BCORE2] = { .name = "bcore2" },
|
||||
[DA9063_ID_BPRO] = { .name = "bpro", },
|
||||
[DA9063_ID_BMEM] = { .name = "bmem", },
|
||||
[DA9063_ID_BIO] = { .name = "bio", },
|
||||
[DA9063_ID_BPERI] = { .name = "bperi", },
|
||||
[DA9063_ID_BCORES_MERGED] = { .name = "bcores-merged" },
|
||||
[DA9063_ID_BMEM_BIO_MERGED] = { .name = "bmem-bio-merged", },
|
||||
[DA9063_ID_LDO1] = { .name = "ldo1", },
|
||||
[DA9063_ID_LDO2] = { .name = "ldo2", },
|
||||
[DA9063_ID_LDO3] = { .name = "ldo3", },
|
||||
[DA9063_ID_LDO4] = { .name = "ldo4", },
|
||||
[DA9063_ID_LDO5] = { .name = "ldo5", },
|
||||
[DA9063_ID_LDO6] = { .name = "ldo6", },
|
||||
[DA9063_ID_LDO7] = { .name = "ldo7", },
|
||||
[DA9063_ID_LDO8] = { .name = "ldo8", },
|
||||
[DA9063_ID_LDO9] = { .name = "ldo9", },
|
||||
[DA9063_ID_LDO10] = { .name = "ldo10", },
|
||||
[DA9063_ID_LDO11] = { .name = "ldo11", },
|
||||
};
|
||||
|
||||
static struct da9063_regulators_pdata *da9063_parse_regulators_dt(
|
||||
struct platform_device *pdev,
|
||||
struct of_regulator_match **da9063_reg_matches)
|
||||
{
|
||||
struct da9063_regulators_pdata *pdata;
|
||||
struct da9063_regulator_data *rdata;
|
||||
struct device_node *node;
|
||||
int i, n, num;
|
||||
|
||||
node = of_find_node_by_name(pdev->dev.parent->of_node, "regulators");
|
||||
if (!node) {
|
||||
dev_err(&pdev->dev, "Regulators device node not found\n");
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
num = of_regulator_match(&pdev->dev, node, da9063_matches,
|
||||
ARRAY_SIZE(da9063_matches));
|
||||
if (num < 0) {
|
||||
dev_err(&pdev->dev, "Failed to match regulators\n");
|
||||
return ERR_PTR(-EINVAL);
|
||||
}
|
||||
|
||||
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
|
||||
if (!pdata)
|
||||
return ERR_PTR(-ENOMEM);
|
||||
|
||||
pdata->regulator_data = devm_kzalloc(&pdev->dev,
|
||||
num * sizeof(*pdata->regulator_data),
|
||||
GFP_KERNEL);
|
||||
if (!pdata->regulator_data)
|
||||
return ERR_PTR(-ENOMEM);
|
||||
pdata->n_regulators = num;
|
||||
|
||||
n = 0;
|
||||
for (i = 0; i < ARRAY_SIZE(da9063_matches); i++) {
|
||||
if (!da9063_matches[i].init_data)
|
||||
continue;
|
||||
|
||||
rdata = &pdata->regulator_data[n];
|
||||
rdata->id = i;
|
||||
rdata->initdata = da9063_matches[i].init_data;
|
||||
|
||||
n++;
|
||||
};
|
||||
|
||||
*da9063_reg_matches = da9063_matches;
|
||||
return pdata;
|
||||
}
|
||||
#else
|
||||
static struct da9063_regulators_pdata *da9063_parse_regulators_dt(
|
||||
struct platform_device *pdev,
|
||||
struct of_regulator_match **da9063_reg_matches)
|
||||
{
|
||||
da9063_reg_matches = NULL;
|
||||
return PTR_ERR(-ENODEV);
|
||||
}
|
||||
#endif
|
||||
|
||||
static int da9063_regulator_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct da9063 *da9063 = dev_get_drvdata(pdev->dev.parent);
|
||||
struct da9063_pdata *da9063_pdata = dev_get_platdata(da9063->dev);
|
||||
struct of_regulator_match *da9063_reg_matches;
|
||||
struct da9063_regulators_pdata *regl_pdata;
|
||||
const struct da9063_dev_model *model;
|
||||
struct da9063_regulators *regulators;
|
||||
struct da9063_regulator *regl;
|
||||
struct regulator_config config;
|
||||
bool bcores_merged, bmem_bio_merged;
|
||||
int id, irq, n, n_regulators, ret, val;
|
||||
size_t size;
|
||||
|
||||
regl_pdata = da9063_pdata ? da9063_pdata->regulators_pdata : NULL;
|
||||
|
||||
if (!regl_pdata)
|
||||
regl_pdata = da9063_parse_regulators_dt(pdev,
|
||||
&da9063_reg_matches);
|
||||
|
||||
if (IS_ERR(regl_pdata) || regl_pdata->n_regulators == 0) {
|
||||
dev_err(&pdev->dev,
|
||||
"No regulators defined for the platform\n");
|
||||
return PTR_ERR(regl_pdata);
|
||||
}
|
||||
|
||||
/* Find regulators set for particular device model */
|
||||
for (model = regulators_models; model->regulator_info; model++) {
|
||||
if (model->dev_model == da9063->model)
|
||||
break;
|
||||
}
|
||||
if (!model->regulator_info) {
|
||||
dev_err(&pdev->dev, "Chip model not recognised (%u)\n",
|
||||
da9063->model);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ret = regmap_read(da9063->regmap, DA9063_REG_CONFIG_H, &val);
|
||||
if (ret < 0) {
|
||||
dev_err(&pdev->dev,
|
||||
"Error while reading BUCKs configuration\n");
|
||||
return -EIO;
|
||||
}
|
||||
bcores_merged = val & DA9063_BCORE_MERGE;
|
||||
bmem_bio_merged = val & DA9063_BUCK_MERGE;
|
||||
|
||||
n_regulators = model->n_regulators;
|
||||
if (bcores_merged)
|
||||
n_regulators -= 2; /* remove BCORE1, BCORE2 */
|
||||
else
|
||||
n_regulators--; /* remove BCORES_MERGED */
|
||||
if (bmem_bio_merged)
|
||||
n_regulators -= 2; /* remove BMEM, BIO */
|
||||
else
|
||||
n_regulators--; /* remove BMEM_BIO_MERGED */
|
||||
|
||||
/* Allocate memory required by usable regulators */
|
||||
size = sizeof(struct da9063_regulators) +
|
||||
n_regulators * sizeof(struct da9063_regulator);
|
||||
regulators = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
|
||||
if (!regulators) {
|
||||
dev_err(&pdev->dev, "No memory for regulators\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
regulators->n_regulators = n_regulators;
|
||||
platform_set_drvdata(pdev, regulators);
|
||||
|
||||
/* Register all regulators declared in platform information */
|
||||
n = 0;
|
||||
id = 0;
|
||||
while (n < regulators->n_regulators) {
|
||||
/* Skip regulator IDs depending on merge mode configuration */
|
||||
switch (id) {
|
||||
case DA9063_ID_BCORE1:
|
||||
case DA9063_ID_BCORE2:
|
||||
if (bcores_merged) {
|
||||
id++;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
case DA9063_ID_BMEM:
|
||||
case DA9063_ID_BIO:
|
||||
if (bmem_bio_merged) {
|
||||
id++;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
case DA9063_ID_BCORES_MERGED:
|
||||
if (!bcores_merged) {
|
||||
id++;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
case DA9063_ID_BMEM_BIO_MERGED:
|
||||
if (!bmem_bio_merged) {
|
||||
id++;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* Initialise regulator structure */
|
||||
regl = ®ulators->regulator[n];
|
||||
regl->hw = da9063;
|
||||
regl->info = &model->regulator_info[id];
|
||||
regl->desc = regl->info->desc;
|
||||
regl->desc.type = REGULATOR_VOLTAGE;
|
||||
regl->desc.owner = THIS_MODULE;
|
||||
|
||||
if (regl->info->mode.reg)
|
||||
regl->mode = devm_regmap_field_alloc(&pdev->dev,
|
||||
da9063->regmap, regl->info->mode);
|
||||
if (regl->info->suspend.reg)
|
||||
regl->suspend = devm_regmap_field_alloc(&pdev->dev,
|
||||
da9063->regmap, regl->info->suspend);
|
||||
if (regl->info->sleep.reg)
|
||||
regl->sleep = devm_regmap_field_alloc(&pdev->dev,
|
||||
da9063->regmap, regl->info->sleep);
|
||||
if (regl->info->suspend_sleep.reg)
|
||||
regl->suspend_sleep = devm_regmap_field_alloc(&pdev->dev,
|
||||
da9063->regmap, regl->info->suspend_sleep);
|
||||
if (regl->info->ilimit.reg)
|
||||
regl->ilimit = devm_regmap_field_alloc(&pdev->dev,
|
||||
da9063->regmap, regl->info->ilimit);
|
||||
|
||||
/* Register regulator */
|
||||
memset(&config, 0, sizeof(config));
|
||||
config.dev = &pdev->dev;
|
||||
config.init_data = da9063_get_regulator_initdata(regl_pdata, id);
|
||||
config.driver_data = regl;
|
||||
if (da9063_reg_matches)
|
||||
config.of_node = da9063_reg_matches[id].of_node;
|
||||
config.regmap = da9063->regmap;
|
||||
regl->rdev = regulator_register(®l->desc, &config);
|
||||
if (IS_ERR(regl->rdev)) {
|
||||
dev_err(&pdev->dev,
|
||||
"Failed to register %s regulator\n",
|
||||
regl->desc.name);
|
||||
ret = PTR_ERR(regl->rdev);
|
||||
goto err;
|
||||
}
|
||||
id++;
|
||||
n++;
|
||||
}
|
||||
|
||||
/* LDOs overcurrent event support */
|
||||
irq = platform_get_irq_byname(pdev, "LDO_LIM");
|
||||
if (irq < 0) {
|
||||
ret = irq;
|
||||
dev_err(&pdev->dev, "Failed to get IRQ.\n");
|
||||
goto err;
|
||||
}
|
||||
|
||||
regulators->irq_ldo_lim = regmap_irq_get_virq(da9063->regmap_irq, irq);
|
||||
if (regulators->irq_ldo_lim >= 0) {
|
||||
ret = request_threaded_irq(regulators->irq_ldo_lim,
|
||||
NULL, da9063_ldo_lim_event,
|
||||
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
|
||||
"LDO_LIM", regulators);
|
||||
if (ret) {
|
||||
dev_err(&pdev->dev,
|
||||
"Failed to request LDO_LIM IRQ.\n");
|
||||
regulators->irq_ldo_lim = -ENXIO;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
/* Wind back regulators registeration */
|
||||
while (--n >= 0)
|
||||
regulator_unregister(regulators->regulator[n].rdev);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int da9063_regulator_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct da9063_regulators *regulators = platform_get_drvdata(pdev);
|
||||
struct da9063_regulator *regl;
|
||||
|
||||
free_irq(regulators->irq_ldo_lim, regulators);
|
||||
free_irq(regulators->irq_uvov, regulators);
|
||||
|
||||
for (regl = ®ulators->regulator[regulators->n_regulators - 1];
|
||||
regl >= ®ulators->regulator[0]; regl--)
|
||||
regulator_unregister(regl->rdev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver da9063_regulator_driver = {
|
||||
.driver = {
|
||||
.name = DA9063_DRVNAME_REGULATORS,
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
.probe = da9063_regulator_probe,
|
||||
.remove = da9063_regulator_remove,
|
||||
};
|
||||
|
||||
static int __init da9063_regulator_init(void)
|
||||
{
|
||||
return platform_driver_register(&da9063_regulator_driver);
|
||||
}
|
||||
subsys_initcall(da9063_regulator_init);
|
||||
|
||||
static void __exit da9063_regulator_cleanup(void)
|
||||
{
|
||||
platform_driver_unregister(&da9063_regulator_driver);
|
||||
}
|
||||
module_exit(da9063_regulator_cleanup);
|
||||
|
||||
|
||||
/* Module information */
|
||||
MODULE_AUTHOR("Krystian Garbaciak <krystian.garbaciak@diasemi.com>");
|
||||
MODULE_DESCRIPTION("DA9063 regulators driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("paltform:" DA9063_DRVNAME_REGULATORS);
|
||||
|
|
@ -0,0 +1,196 @@
|
|||
/*
|
||||
* da9210-regulator.c - Regulator device driver for DA9210
|
||||
* Copyright (C) 2013 Dialog Semiconductor Ltd.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#include <linux/err.h>
|
||||
#include <linux/i2c.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/regulator/driver.h>
|
||||
#include <linux/regulator/machine.h>
|
||||
#include <linux/regmap.h>
|
||||
|
||||
#include "da9210-regulator.h"
|
||||
|
||||
struct da9210 {
|
||||
struct regulator_dev *rdev;
|
||||
struct regmap *regmap;
|
||||
};
|
||||
|
||||
static const struct regmap_config da9210_regmap_config = {
|
||||
.reg_bits = 8,
|
||||
.val_bits = 8,
|
||||
};
|
||||
|
||||
static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA,
|
||||
int max_uA);
|
||||
static int da9210_get_current_limit(struct regulator_dev *rdev);
|
||||
|
||||
static struct regulator_ops da9210_buck_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,
|
||||
.set_current_limit = da9210_set_current_limit,
|
||||
.get_current_limit = da9210_get_current_limit,
|
||||
};
|
||||
|
||||
/* Default limits measured in millivolts and milliamps */
|
||||
#define DA9210_MIN_MV 300
|
||||
#define DA9210_MAX_MV 1570
|
||||
#define DA9210_STEP_MV 10
|
||||
|
||||
/* Current limits for buck (uA) indices corresponds with register values */
|
||||
static const int da9210_buck_limits[] = {
|
||||
1600000, 1800000, 2000000, 2200000, 2400000, 2600000, 2800000, 3000000,
|
||||
3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, 4600000
|
||||
};
|
||||
|
||||
static const struct regulator_desc da9210_reg = {
|
||||
.name = "DA9210",
|
||||
.id = 0,
|
||||
.ops = &da9210_buck_ops,
|
||||
.type = REGULATOR_VOLTAGE,
|
||||
.n_voltages = ((DA9210_MAX_MV - DA9210_MIN_MV) / DA9210_STEP_MV) + 1,
|
||||
.min_uV = (DA9210_MIN_MV * 1000),
|
||||
.uV_step = (DA9210_STEP_MV * 1000),
|
||||
.vsel_reg = DA9210_REG_VBUCK_A,
|
||||
.vsel_mask = DA9210_VBUCK_MASK,
|
||||
.enable_reg = DA9210_REG_BUCK_CONT,
|
||||
.enable_mask = DA9210_BUCK_EN,
|
||||
.owner = THIS_MODULE,
|
||||
};
|
||||
|
||||
static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA,
|
||||
int max_uA)
|
||||
{
|
||||
struct da9210 *chip = rdev_get_drvdata(rdev);
|
||||
unsigned int sel;
|
||||
int i;
|
||||
|
||||
/* search for closest to maximum */
|
||||
for (i = ARRAY_SIZE(da9210_buck_limits)-1; i >= 0; i--) {
|
||||
if (min_uA <= da9210_buck_limits[i] &&
|
||||
max_uA >= da9210_buck_limits[i]) {
|
||||
sel = i;
|
||||
sel = sel << DA9210_BUCK_ILIM_SHIFT;
|
||||
return regmap_update_bits(chip->regmap,
|
||||
DA9210_REG_BUCK_ILIM,
|
||||
DA9210_BUCK_ILIM_MASK, sel);
|
||||
}
|
||||
}
|
||||
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int da9210_get_current_limit(struct regulator_dev *rdev)
|
||||
{
|
||||
struct da9210 *chip = rdev_get_drvdata(rdev);
|
||||
unsigned int data;
|
||||
unsigned int sel;
|
||||
int ret;
|
||||
|
||||
ret = regmap_read(chip->regmap, DA9210_REG_BUCK_ILIM, &data);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/* select one of 16 values: 0000 (1600mA) to 1111 (4600mA) */
|
||||
sel = (data & DA9210_BUCK_ILIM_MASK) >> DA9210_BUCK_ILIM_SHIFT;
|
||||
|
||||
return da9210_buck_limits[sel];
|
||||
}
|
||||
|
||||
/*
|
||||
* I2C driver interface functions
|
||||
*/
|
||||
static int da9210_i2c_probe(struct i2c_client *i2c,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct da9210 *chip;
|
||||
struct da9210_pdata *pdata = i2c->dev.platform_data;
|
||||
struct regulator_dev *rdev = NULL;
|
||||
struct regulator_config config = { };
|
||||
int error;
|
||||
|
||||
chip = devm_kzalloc(&i2c->dev, sizeof(struct da9210), GFP_KERNEL);
|
||||
if (NULL == chip) {
|
||||
dev_err(&i2c->dev,
|
||||
"Cannot kzalloc memory for regulator structure\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
chip->regmap = devm_regmap_init_i2c(i2c, &da9210_regmap_config);
|
||||
if (IS_ERR(chip->regmap)) {
|
||||
error = PTR_ERR(chip->regmap);
|
||||
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
|
||||
error);
|
||||
return error;
|
||||
}
|
||||
|
||||
config.dev = &i2c->dev;
|
||||
if (pdata)
|
||||
config.init_data = &pdata->da9210_constraints;
|
||||
config.driver_data = chip;
|
||||
config.regmap = chip->regmap;
|
||||
|
||||
rdev = regulator_register(&da9210_reg, &config);
|
||||
if (IS_ERR(rdev)) {
|
||||
dev_err(&i2c->dev, "Failed to register DA9210 regulator\n");
|
||||
return PTR_ERR(rdev);
|
||||
}
|
||||
|
||||
chip->rdev = rdev;
|
||||
|
||||
i2c_set_clientdata(i2c, chip);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int da9210_i2c_remove(struct i2c_client *i2c)
|
||||
{
|
||||
struct da9210 *chip = i2c_get_clientdata(i2c);
|
||||
regulator_unregister(chip->rdev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id da9210_i2c_id[] = {
|
||||
{"da9210", 0},
|
||||
{},
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(i2c, da9210_i2c_id);
|
||||
|
||||
static struct i2c_driver da9210_regulator_driver = {
|
||||
.driver = {
|
||||
.name = "da9210",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
.probe = da9210_i2c_probe,
|
||||
.remove = da9210_i2c_remove,
|
||||
.id_table = da9210_i2c_id,
|
||||
};
|
||||
|
||||
module_i2c_driver(da9210_regulator_driver);
|
||||
|
||||
MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>");
|
||||
MODULE_DESCRIPTION("Regulator device driver for Dialog DA9210");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
|
|
@ -0,0 +1,288 @@
|
|||
|
||||
/*
|
||||
* da9210-regulator.h - Regulator definitions for DA9210
|
||||
* Copyright (C) 2013 Dialog Semiconductor Ltd.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef __DA9210_REGISTERS_H__
|
||||
#define __DA9210_REGISTERS_H__
|
||||
|
||||
struct da9210_pdata {
|
||||
struct regulator_init_data da9210_constraints;
|
||||
};
|
||||
|
||||
/* Page selection */
|
||||
#define DA9210_REG_PAGE_CON 0x00
|
||||
|
||||
/* System Control and Event Registers */
|
||||
#define DA9210_REG_STATUS_A 0x50
|
||||
#define DA9210_REG_STATUS_B 0x51
|
||||
#define DA9210_REG_EVENT_A 0x52
|
||||
#define DA9210_REG_EVENT_B 0x53
|
||||
#define DA9210_REG_MASK_A 0x54
|
||||
#define DA9210_REG_MASK_B 0x55
|
||||
#define DA9210_REG_CONTROL_A 0x56
|
||||
|
||||
/* GPIO Control Registers */
|
||||
#define DA9210_REG_GPIO_0_1 0x58
|
||||
#define DA9210_REG_GPIO_2_3 0x59
|
||||
#define DA9210_REG_GPIO_4_5 0x5A
|
||||
#define DA9210_REG_GPIO_6 0x5B
|
||||
|
||||
/* Regulator Registers */
|
||||
#define DA9210_REG_BUCK_CONT 0x5D
|
||||
#define DA9210_REG_BUCK_ILIM 0xD0
|
||||
#define DA9210_REG_BUCK_CONF1 0xD1
|
||||
#define DA9210_REG_BUCK_CONF2 0xD2
|
||||
#define DA9210_REG_VBACK_AUTO 0xD4
|
||||
#define DA9210_REG_VBACK_BASE 0xD5
|
||||
#define DA9210_REG_VBACK_MAX_DVC_IF 0xD6
|
||||
#define DA9210_REG_VBACK_DVC 0xD7
|
||||
#define DA9210_REG_VBUCK_A 0xD8
|
||||
#define DA9210_REG_VBUCK_B 0xD9
|
||||
|
||||
/* I2C Interface Settings */
|
||||
#define DA9210_REG_INTERFACE 0x105
|
||||
|
||||
/* OTP */
|
||||
#define DA9210_REG_OPT_COUNT 0x140
|
||||
#define DA9210_REG_OPT_ADDR 0x141
|
||||
#define DA9210_REG_OPT_DATA 0x142
|
||||
|
||||
/* Customer Trim and Configuration */
|
||||
#define DA9210_REG_CONFIG_A 0x143
|
||||
#define DA9210_REG_CONFIG_B 0x144
|
||||
#define DA9210_REG_CONFIG_C 0x145
|
||||
#define DA9210_REG_CONFIG_D 0x146
|
||||
#define DA9210_REG_CONFIG_E 0x147
|
||||
|
||||
|
||||
/*
|
||||
* Registers bits
|
||||
*/
|
||||
/* DA9210_REG_PAGE_CON (addr=0x00) */
|
||||
#define DA9210_PEG_PAGE_SHIFT 0
|
||||
#define DA9210_REG_PAGE_MASK 0x0F
|
||||
/* On I2C registers 0x00 - 0xFF */
|
||||
#define DA9210_REG_PAGE0 0
|
||||
/* On I2C registers 0x100 - 0x1FF */
|
||||
#define DA9210_REG_PAGE2 2
|
||||
#define DA9210_PAGE_WRITE_MODE 0x00
|
||||
#define DA9210_REPEAT_WRITE_MODE 0x40
|
||||
#define DA9210_PAGE_REVERT 0x80
|
||||
|
||||
/* DA9210_REG_STATUS_A (addr=0x50) */
|
||||
#define DA9210_GPI0 0x01
|
||||
#define DA9210_GPI1 0x02
|
||||
#define DA9210_GPI2 0x04
|
||||
#define DA9210_GPI3 0x08
|
||||
#define DA9210_GPI4 0x10
|
||||
#define DA9210_GPI5 0x20
|
||||
#define DA9210_GPI6 0x40
|
||||
|
||||
/* DA9210_REG_EVENT_A (addr=0x52) */
|
||||
#define DA9210_E_GPI0 0x01
|
||||
#define DA9210_E_GPI1 0x02
|
||||
#define DA9210_E_GPI2 0x04
|
||||
#define DA9210_E_GPI3 0x08
|
||||
#define DA9210_E_GPI4 0x10
|
||||
#define DA9210_E_GPI5 0x20
|
||||
#define DA9210_E_GPI6 0x40
|
||||
|
||||
/* DA9210_REG_EVENT_B (addr=0x53) */
|
||||
#define DA9210_E_OVCURR 0x01
|
||||
#define DA9210_E_NPWRGOOD 0x02
|
||||
#define DA9210_E_TEMP_WARN 0x04
|
||||
#define DA9210_E_TEMP_CRIT 0x08
|
||||
#define DA9210_E_VMAX 0x10
|
||||
|
||||
/* DA9210_REG_MASK_A (addr=0x54) */
|
||||
#define DA9210_M_GPI0 0x01
|
||||
#define DA9210_M_GPI1 0x02
|
||||
#define DA9210_M_GPI2 0x04
|
||||
#define DA9210_M_GPI3 0x08
|
||||
#define DA9210_M_GPI4 0x10
|
||||
#define DA9210_M_GPI5 0x20
|
||||
#define DA9210_M_GPI6 0x40
|
||||
|
||||
/* DA9210_REG_MASK_B (addr=0x55) */
|
||||
#define DA9210_M_OVCURR 0x01
|
||||
#define DA9210_M_NPWRGOOD 0x02
|
||||
#define DA9210_M_TEMP_WARN 0x04
|
||||
#define DA9210_M_TEMP_CRIT 0x08
|
||||
#define DA9210_M_VMAX 0x10
|
||||
|
||||
/* DA9210_REG_CONTROL_A (addr=0x56) */
|
||||
#define DA9210_DEBOUNCING_SHIFT 0
|
||||
#define DA9210_DEBOUNCING_MASK 0x07
|
||||
#define DA9210_SLEW_RATE_SHIFT 3
|
||||
#define DA9210_SLEW_RATE_MASK 0x18
|
||||
#define DA9210_V_LOCK 0x20
|
||||
|
||||
/* DA9210_REG_GPIO_0_1 (addr=0x58) */
|
||||
#define DA9210_GPIO0_PIN_SHIFT 0
|
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#define DA9210_GPIO0_PIN_MASK 0x03
|
||||
#define DA9210_GPIO0_PIN_GPI 0x00
|
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#define DA9210_GPIO0_PIN_GPO_OD 0x02
|
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#define DA9210_GPIO0_PIN_GPO 0x03
|
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#define DA9210_GPIO0_TYPE 0x04
|
||||
#define DA9210_GPIO0_TYPE_GPI 0x00
|
||||
#define DA9210_GPIO0_TYPE_GPO 0x04
|
||||
#define DA9210_GPIO0_MODE 0x08
|
||||
#define DA9210_GPIO1_PIN_SHIFT 4
|
||||
#define DA9210_GPIO1_PIN_MASK 0x30
|
||||
#define DA9210_GPIO1_PIN_GPI 0x00
|
||||
#define DA9210_GPIO1_PIN_VERROR 0x10
|
||||
#define DA9210_GPIO1_PIN_GPO_OD 0x20
|
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#define DA9210_GPIO1_PIN_GPO 0x30
|
||||
#define DA9210_GPIO1_TYPE_SHIFT 0x40
|
||||
#define DA9210_GPIO1_TYPE_GPI 0x00
|
||||
#define DA9210_GPIO1_TYPE_GPO 0x40
|
||||
#define DA9210_GPIO1_MODE 0x80
|
||||
|
||||
/* DA9210_REG_GPIO_2_3 (addr=0x59) */
|
||||
#define DA9210_GPIO2_PIN_SHIFT 0
|
||||
#define DA9210_GPIO2_PIN_MASK 0x03
|
||||
#define DA9210_GPIO2_PIN_GPI 0x00
|
||||
#define DA9210_GPIO5_PIN_BUCK_CLK 0x10
|
||||
#define DA9210_GPIO2_PIN_GPO_OD 0x02
|
||||
#define DA9210_GPIO2_PIN_GPO 0x03
|
||||
#define DA9210_GPIO2_TYPE 0x04
|
||||
#define DA9210_GPIO2_TYPE_GPI 0x00
|
||||
#define DA9210_GPIO2_TYPE_GPO 0x04
|
||||
#define DA9210_GPIO2_MODE 0x08
|
||||
#define DA9210_GPIO3_PIN_SHIFT 4
|
||||
#define DA9210_GPIO3_PIN_MASK 0x30
|
||||
#define DA9210_GPIO3_PIN_GPI 0x00
|
||||
#define DA9210_GPIO3_PIN_IERROR 0x10
|
||||
#define DA9210_GPIO3_PIN_GPO_OD 0x20
|
||||
#define DA9210_GPIO3_PIN_GPO 0x30
|
||||
#define DA9210_GPIO3_TYPE_SHIFT 0x40
|
||||
#define DA9210_GPIO3_TYPE_GPI 0x00
|
||||
#define DA9210_GPIO3_TYPE_GPO 0x40
|
||||
#define DA9210_GPIO3_MODE 0x80
|
||||
|
||||
/* DA9210_REG_GPIO_4_5 (addr=0x5A) */
|
||||
#define DA9210_GPIO4_PIN_SHIFT 0
|
||||
#define DA9210_GPIO4_PIN_MASK 0x03
|
||||
#define DA9210_GPIO4_PIN_GPI 0x00
|
||||
#define DA9210_GPIO4_PIN_GPO_OD 0x02
|
||||
#define DA9210_GPIO4_PIN_GPO 0x03
|
||||
#define DA9210_GPIO4_TYPE 0x04
|
||||
#define DA9210_GPIO4_TYPE_GPI 0x00
|
||||
#define DA9210_GPIO4_TYPE_GPO 0x04
|
||||
#define DA9210_GPIO4_MODE 0x08
|
||||
#define DA9210_GPIO5_PIN_SHIFT 4
|
||||
#define DA9210_GPIO5_PIN_MASK 0x30
|
||||
#define DA9210_GPIO5_PIN_GPI 0x00
|
||||
#define DA9210_GPIO5_PIN_INTERFACE 0x01
|
||||
#define DA9210_GPIO5_PIN_GPO_OD 0x20
|
||||
#define DA9210_GPIO5_PIN_GPO 0x30
|
||||
#define DA9210_GPIO5_TYPE_SHIFT 0x40
|
||||
#define DA9210_GPIO5_TYPE_GPI 0x00
|
||||
#define DA9210_GPIO5_TYPE_GPO 0x40
|
||||
#define DA9210_GPIO5_MODE 0x80
|
||||
|
||||
/* DA9210_REG_GPIO_6 (addr=0x5B) */
|
||||
#define DA9210_GPIO6_PIN_SHIFT 0
|
||||
#define DA9210_GPIO6_PIN_MASK 0x03
|
||||
#define DA9210_GPIO6_PIN_GPI 0x00
|
||||
#define DA9210_GPIO6_PIN_INTERFACE 0x01
|
||||
#define DA9210_GPIO6_PIN_GPO_OD 0x02
|
||||
#define DA9210_GPIO6_PIN_GPO 0x03
|
||||
#define DA9210_GPIO6_TYPE 0x04
|
||||
#define DA9210_GPIO6_TYPE_GPI 0x00
|
||||
#define DA9210_GPIO6_TYPE_GPO 0x04
|
||||
#define DA9210_GPIO6_MODE 0x08
|
||||
|
||||
/* DA9210_REG_BUCK_CONT (addr=0x5D) */
|
||||
#define DA9210_BUCK_EN 0x01
|
||||
#define DA9210_BUCK_GPI_SHIFT 1
|
||||
#define DA9210_BUCK_GPI_MASK 0x06
|
||||
#define DA9210_BUCK_GPI_OFF 0x00
|
||||
#define DA9210_BUCK_GPI_GPIO0 0x02
|
||||
#define DA9210_BUCK_GPI_GPIO3 0x04
|
||||
#define DA9210_BUCK_GPI_GPIO4 0x06
|
||||
#define DA9210_BUCK_PD_DIS 0x08
|
||||
#define DA9210_VBUCK_SEL 0x10
|
||||
#define DA9210_VBUCK_SEL_A 0x00
|
||||
#define DA9210_VBUCK_SEL_B 0x10
|
||||
#define DA9210_VBUCK_GPI_SHIFT 5
|
||||
#define DA9210_VBUCK_GPI_MASK 0x60
|
||||
#define DA9210_VBUCK_GPI_OFF 0x00
|
||||
#define DA9210_VBUCK_GPI_GPIO0 0x20
|
||||
#define DA9210_VBUCK_GPI_GPIO3 0x40
|
||||
#define DA9210_VBUCK_GPI_GPIO4 0x60
|
||||
#define DA9210_DVC_CTRL_EN 0x80
|
||||
|
||||
/* DA9210_REG_BUCK_ILIM (addr=0xD0) */
|
||||
#define DA9210_BUCK_ILIM_SHIFT 0
|
||||
#define DA9210_BUCK_ILIM_MASK 0x0F
|
||||
#define DA9210_BUCK_IALARM 0x10
|
||||
|
||||
/* DA9210_REG_BUCK_CONF1 (addr=0xD1) */
|
||||
#define DA9210_BUCK_MODE_SHIFT 0
|
||||
#define DA9210_BUCK_MODE_MASK 0x03
|
||||
#define DA9210_BUCK_MODE_MANUAL 0x00
|
||||
#define DA9210_BUCK_MODE_SLEEP 0x01
|
||||
#define DA9210_BUCK_MODE_SYNC 0x02
|
||||
#define DA9210_BUCK_MODE_AUTO 0x03
|
||||
#define DA9210_STARTUP_CTRL_SHIFT 2
|
||||
#define DA9210_STARTUP_CTRL_MASK 0x1C
|
||||
#define DA9210_PWR_DOWN_CTRL_SHIFT 5
|
||||
#define DA9210_PWR_DOWN_CTRL_MASK 0xE0
|
||||
|
||||
/* DA9210_REG_BUCK_CONF2 (addr=0xD2) */
|
||||
#define DA9210_PHASE_SEL_SHIFT 0
|
||||
#define DA9210_PHASE_SEL_MASK 0x03
|
||||
#define DA9210_FREQ_SEL 0x40
|
||||
|
||||
/* DA9210_REG_BUCK_AUTO (addr=0xD4) */
|
||||
#define DA9210_VBUCK_AUTO_SHIFT 0
|
||||
#define DA9210_VBUCK_AUTO_MASK 0x7F
|
||||
|
||||
/* DA9210_REG_BUCK_BASE (addr=0xD5) */
|
||||
#define DA9210_VBUCK_BASE_SHIFT 0
|
||||
#define DA9210_VBUCK_BASE_MASK 0x7F
|
||||
|
||||
/* DA9210_REG_VBUCK_MAX_DVC_IF (addr=0xD6) */
|
||||
#define DA9210_VBUCK_MAX_SHIFT 0
|
||||
#define DA9210_VBUCK_MAX_MASK 0x7F
|
||||
#define DA9210_DVC_STEP_SIZE 0x80
|
||||
#define DA9210_DVC_STEP_SIZE_10MV 0x00
|
||||
#define DA9210_DVC_STEP_SIZE_20MV 0x80
|
||||
|
||||
/* DA9210_REG_VBUCK_DVC (addr=0xD7) */
|
||||
#define DA9210_VBUCK_DVC_SHIFT 0
|
||||
#define DA9210_VBUCK_DVC_MASK 0x7F
|
||||
|
||||
/* DA9210_REG_VBUCK_A/B (addr=0xD8/0xD9) */
|
||||
#define DA9210_VBUCK_SHIFT 0
|
||||
#define DA9210_VBUCK_MASK 0x7F
|
||||
#define DA9210_VBUCK_BIAS 0
|
||||
#define DA9210_BUCK_SL 0x80
|
||||
|
||||
/* DA9210_REG_INTERFACE (addr=0x105) */
|
||||
#define DA9210_IF_BASE_ADDR_SHIFT 4
|
||||
#define DA9210_IF_BASE_ADDR_MASK 0xF0
|
||||
|
||||
/* DA9210_REG_CONFIG_E (addr=0x147) */
|
||||
#define DA9210_STAND_ALONE 0x01
|
||||
|
||||
#endif /* __DA9210_REGISTERS_H__ */
|
||||
|
||||
Loading…
Reference in New Issue