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-rw-r--r--mm/sparse.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index dc0cc4d43ff3..95ac219af379 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -382,13 +382,15 @@ static void __init sparse_early_usemaps_alloc_node(unsigned long**usemap_map,
382struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid) 382struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid)
383{ 383{
384 struct page *map; 384 struct page *map;
385 unsigned long size;
385 386
386 map = alloc_remap(nid, sizeof(struct page) * PAGES_PER_SECTION); 387 map = alloc_remap(nid, sizeof(struct page) * PAGES_PER_SECTION);
387 if (map) 388 if (map)
388 return map; 389 return map;
389 390
390 map = alloc_bootmem_pages_node(NODE_DATA(nid), 391 size = PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION);
391 PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION)); 392 map = __alloc_bootmem_node_high(NODE_DATA(nid), size,
393 PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
392 return map; 394 return map;
393} 395}
394void __init sparse_mem_maps_populate_node(struct page **map_map, 396void __init sparse_mem_maps_populate_node(struct page **map_map,
@@ -412,7 +414,8 @@ void __init sparse_mem_maps_populate_node(struct page **map_map,
412 } 414 }
413 415
414 size = PAGE_ALIGN(size); 416 size = PAGE_ALIGN(size);
415 map = alloc_bootmem_pages_node(NODE_DATA(nodeid), size * map_count); 417 map = __alloc_bootmem_node_high(NODE_DATA(nodeid), size * map_count,
418 PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
416 if (map) { 419 if (map) {
417 for (pnum = pnum_begin; pnum < pnum_end; pnum++) { 420 for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
418 if (!present_section_nr(pnum)) 421 if (!present_section_nr(pnum))
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/*
 * Regulator driver for DA9063 PMIC series
 *
 * Copyright 2012 Dialog Semiconductors Ltd.
 * Copyright 2013 Philipp Zabel, Pengutronix
 *
 * Author: Krystian Garbaciak <krystian.garbaciak@diasemi.com>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  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
 *  option) any later version.
 *
 */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
#include <linux/mfd/da9063/core.h>
#include <linux/mfd/da9063/pdata.h>
#include <linux/mfd/da9063/registers.h>


/* Definition for registering regmap bit fields using a mask */
#define BFIELD(_reg, _mask) \
	REG_FIELD(_reg, __builtin_ffs((int)_mask) - 1, \
		sizeof(unsigned int) * 8 - __builtin_clz((_mask)) - 1)

/* Regulator capabilities and registers description */
struct da9063_regulator_info {
	struct regulator_desc desc;

	/* Current limiting */
	unsigned	n_current_limits;
	const int	*current_limits;

	/* DA9063 main register fields */
	struct reg_field mode;		/* buck mode of operation */
	struct reg_field suspend;
	struct reg_field sleep;
	struct reg_field suspend_sleep;
	unsigned int suspend_vsel_reg;
	struct reg_field ilimit;

	/* DA9063 event detection bit */
	struct reg_field oc_event;
};

/* Macros for LDO */
#define DA9063_LDO(chip, regl_name, min_mV, step_mV, max_mV) \
	.desc.id = chip##_ID_##regl_name, \
	.desc.name = __stringify(chip##_##regl_name), \
	.desc.ops = &da9063_ldo_ops, \
	.desc.min_uV = (min_mV) * 1000, \
	.desc.uV_step = (step_mV) * 1000, \
	.desc.n_voltages = (((max_mV) - (min_mV))/(step_mV) + 1), \
	.desc.enable_reg = DA9063_REG_##regl_name##_CONT, \
	.desc.enable_mask = DA9063_LDO_EN, \
	.desc.vsel_reg = DA9063_REG_V##regl_name##_A, \
	.desc.vsel_mask = DA9063_V##regl_name##_MASK, \
	.desc.linear_min_sel = DA9063_V##regl_name##_BIAS, \
	.sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_LDO_SL), \
	.suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_LDO_SL), \
	.suspend_vsel_reg = DA9063_REG_V##regl_name##_B

/* Macros for voltage DC/DC converters (BUCKs) */
#define DA9063_BUCK(chip, regl_name, min_mV, step_mV, max_mV, limits_array) \
	.desc.id = chip##_ID_##regl_name, \
	.desc.name = __stringify(chip##_##regl_name), \
	.desc.ops = &da9063_buck_ops, \
	.desc.min_uV = (min_mV) * 1000, \
	.desc.uV_step = (step_mV) * 1000, \
	.desc.n_voltages = ((max_mV) - (min_mV))/(step_mV) + 1, \
	.current_limits = limits_array, \
	.n_current_limits = ARRAY_SIZE(limits_array)

#define DA9063_BUCK_COMMON_FIELDS(regl_name) \
	.desc.enable_reg = DA9063_REG_##regl_name##_CONT, \
	.desc.enable_mask = DA9063_BUCK_EN, \
	.desc.vsel_reg = DA9063_REG_V##regl_name##_A, \
	.desc.vsel_mask = DA9063_VBUCK_MASK, \
	.desc.linear_min_sel = DA9063_VBUCK_BIAS, \
	.sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_BUCK_SL), \
	.suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_BUCK_SL), \
	.suspend_vsel_reg = DA9063_REG_V##regl_name##_B, \
	.mode = BFIELD(DA9063_REG_##regl_name##_CFG, DA9063_BUCK_MODE_MASK)

/* Defines asignment of regulators info table to chip model */
struct da9063_dev_model {
	const struct da9063_regulator_info	*regulator_info;
	unsigned				n_regulators;
	unsigned				dev_model;
};

/* Single regulator settings */
struct da9063_regulator {
	struct regulator_desc			desc;
	struct regulator_dev			*rdev;
	struct da9063				*hw;
	const struct da9063_regulator_info	*info;

	struct regmap_field			*mode;
	struct regmap_field			*suspend;
	struct regmap_field			*sleep;
	struct regmap_field			*suspend_sleep;
	struct regmap_field			*ilimit;
};

/* Encapsulates all information for the regulators driver */
struct da9063_regulators {
	int					irq_ldo_lim;
	int					irq_uvov;

	unsigned				n_regulators;
	/* Array size to be defined during init. Keep at end. */
	struct da9063_regulator			regulator[0];
};

/* BUCK modes for DA9063 */
enum {
	BUCK_MODE_MANUAL,	/* 0 */
	BUCK_MODE_SLEEP,	/* 1 */
	BUCK_MODE_SYNC,		/* 2 */
	BUCK_MODE_AUTO		/* 3 */
};

/* Regulator operations */

/* Current limits array (in uA) for BCORE1, BCORE2, BPRO.
   Entry indexes corresponds to register values. */
static const int da9063_buck_a_limits[] = {
	 500000,  600000,  700000,  800000,  900000, 1000000, 1100000, 1200000,
	1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000
};

/* Current limits array (in uA) for BMEM, BIO, BPERI.
   Entry indexes corresponds to register values. */
static const int da9063_buck_b_limits[] = {
	1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000,
	2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000
};

/* Current limits array (in uA) for merged BCORE1 and BCORE2.
   Entry indexes corresponds to register values. */
static const int da9063_bcores_merged_limits[] = {
	1000000, 1200000, 1400000, 1600000, 1800000, 2000000, 2200000, 2400000,
	2600000, 2800000, 3000000, 3200000, 3400000, 3600000, 3800000, 4000000
};

/* Current limits array (in uA) for merged BMEM and BIO.
   Entry indexes corresponds to register values. */
static const int da9063_bmem_bio_merged_limits[] = {
	3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000,
	4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000
};

static int da9063_set_current_limit(struct regulator_dev *rdev,
							int min_uA, int max_uA)
{
	struct da9063_regulator *regl = rdev_get_drvdata(rdev);
	const struct da9063_regulator_info *rinfo = regl->info;
	int n, tval;

	for (n = 0; n < rinfo->n_current_limits; n++) {
		tval = rinfo->current_limits[n];
		if (tval >= min_uA && tval <= max_uA)
			return regmap_field_write(regl->ilimit, n);
	}

	return -EINVAL;
}

static int da9063_get_current_limit(struct regulator_dev *rdev)
{
	struct da9063_regulator *regl = rdev_get_drvdata(rdev);
	const struct da9063_regulator_info *rinfo = regl->info;
	unsigned int sel;
	int ret;

	ret = regmap_field_read(regl->ilimit, &sel);
	if (ret < 0)
		return ret;

	if (sel >= rinfo->n_current_limits)
		sel = rinfo->n_current_limits - 1;

	return rinfo->current_limits[sel];
}

static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned mode)
{
	struct da9063_regulator *regl = rdev_get_drvdata(rdev);
	unsigned 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);
}

/*
 * 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;
	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 = &regulators->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",            },