blob: 50414f4cb10958bb33a9fcfa5ed5aaecde9d0715 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Broadcom BCM590xx regulator driver
*
* Copyright 2014 Linaro Limited
* Author: Matt Porter <mporter@linaro.org>
*/
#include <linux/err.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mfd/bcm590xx.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
#include <linux/slab.h>
#define BCM590XX_REG_ENABLE BIT(7)
#define BCM590XX_VBUS_ENABLE BIT(2)
#define BCM590XX_LDO_VSEL_MASK GENMASK(5, 3)
#define BCM590XX_SR_VSEL_MASK GENMASK(5, 0)
enum bcm590xx_reg_type {
BCM590XX_REG_TYPE_LDO,
BCM590XX_REG_TYPE_GPLDO,
BCM590XX_REG_TYPE_SR,
BCM590XX_REG_TYPE_VBUS
};
struct bcm590xx_reg_data {
enum bcm590xx_reg_type type;
enum bcm590xx_regmap_type regmap;
const struct regulator_desc desc;
};
struct bcm590xx_reg {
struct bcm590xx *mfd;
unsigned int n_regulators;
const struct bcm590xx_reg_data *regs;
};
static const struct regulator_ops bcm590xx_ops_ldo = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_iterate,
};
/*
* LDO ops without voltage selection, used for MICLDO on BCM59054.
* (These are currently the same as VBUS ops, but will be different
* in the future once full PMMODE support is implemented.)
*/
static const struct regulator_ops bcm590xx_ops_ldo_novolt = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
};
static const struct regulator_ops bcm590xx_ops_dcdc = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
};
static const struct regulator_ops bcm590xx_ops_vbus = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
};
#define BCM590XX_REG_DESC(_model, _name, _name_lower) \
.id = _model##_REG_##_name, \
.name = #_name_lower, \
.of_match = of_match_ptr(#_name_lower), \
.regulators_node = of_match_ptr("regulators"), \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE \
#define BCM590XX_LDO_DESC(_model, _model_lower, _name, _name_lower, _table) \
BCM590XX_REG_DESC(_model, _name, _name_lower), \
.ops = &bcm590xx_ops_ldo, \
.n_voltages = ARRAY_SIZE(_model_lower##_##_table), \
.volt_table = _model_lower##_##_table, \
.vsel_reg = _model##_##_name##CTRL, \
.vsel_mask = BCM590XX_LDO_VSEL_MASK, \
.enable_reg = _model##_##_name##PMCTRL1, \
.enable_mask = BCM590XX_REG_ENABLE, \
.enable_is_inverted = true
#define BCM590XX_SR_DESC(_model, _model_lower, _name, _name_lower, _ranges) \
BCM590XX_REG_DESC(_model, _name, _name_lower), \
.ops = &bcm590xx_ops_dcdc, \
.n_voltages = 64, \
.linear_ranges = _model_lower##_##_ranges, \
.n_linear_ranges = ARRAY_SIZE(_model_lower##_##_ranges), \
.vsel_reg = _model##_##_name##VOUT1, \
.vsel_mask = BCM590XX_SR_VSEL_MASK, \
.enable_reg = _model##_##_name##PMCTRL1, \
.enable_mask = BCM590XX_REG_ENABLE, \
.enable_is_inverted = true
#define BCM59056_REG_DESC(_name, _name_lower) \
BCM590XX_REG_DESC(BCM59056, _name, _name_lower)
#define BCM59056_LDO_DESC(_name, _name_lower, _table) \
BCM590XX_LDO_DESC(BCM59056, bcm59056, _name, _name_lower, _table)
#define BCM59056_SR_DESC(_name, _name_lower, _ranges) \
BCM590XX_SR_DESC(BCM59056, bcm59056, _name, _name_lower, _ranges)
#define BCM59054_REG_DESC(_name, _name_lower) \
BCM590XX_REG_DESC(BCM59054, _name, _name_lower)
#define BCM59054_LDO_DESC(_name, _name_lower, _table) \
BCM590XX_LDO_DESC(BCM59054, bcm59054, _name, _name_lower, _table)
#define BCM59054_SR_DESC(_name, _name_lower, _ranges) \
BCM590XX_SR_DESC(BCM59054, bcm59054, _name, _name_lower, _ranges)
/* BCM59056 data */
/* I2C slave 0 registers */
#define BCM59056_RFLDOPMCTRL1 0x60
#define BCM59056_CAMLDO1PMCTRL1 0x62
#define BCM59056_CAMLDO2PMCTRL1 0x64
#define BCM59056_SIMLDO1PMCTRL1 0x66
#define BCM59056_SIMLDO2PMCTRL1 0x68
#define BCM59056_SDLDOPMCTRL1 0x6a
#define BCM59056_SDXLDOPMCTRL1 0x6c
#define BCM59056_MMCLDO1PMCTRL1 0x6e
#define BCM59056_MMCLDO2PMCTRL1 0x70
#define BCM59056_AUDLDOPMCTRL1 0x72
#define BCM59056_MICLDOPMCTRL1 0x74
#define BCM59056_USBLDOPMCTRL1 0x76
#define BCM59056_VIBLDOPMCTRL1 0x78
#define BCM59056_IOSR1PMCTRL1 0x7a
#define BCM59056_IOSR2PMCTRL1 0x7c
#define BCM59056_CSRPMCTRL1 0x7e
#define BCM59056_SDSR1PMCTRL1 0x82
#define BCM59056_SDSR2PMCTRL1 0x86
#define BCM59056_MSRPMCTRL1 0x8a
#define BCM59056_VSRPMCTRL1 0x8e
#define BCM59056_RFLDOCTRL 0x96
#define BCM59056_CAMLDO1CTRL 0x97
#define BCM59056_CAMLDO2CTRL 0x98
#define BCM59056_SIMLDO1CTRL 0x99
#define BCM59056_SIMLDO2CTRL 0x9a
#define BCM59056_SDLDOCTRL 0x9b
#define BCM59056_SDXLDOCTRL 0x9c
#define BCM59056_MMCLDO1CTRL 0x9d
#define BCM59056_MMCLDO2CTRL 0x9e
#define BCM59056_AUDLDOCTRL 0x9f
#define BCM59056_MICLDOCTRL 0xa0
#define BCM59056_USBLDOCTRL 0xa1
#define BCM59056_VIBLDOCTRL 0xa2
#define BCM59056_CSRVOUT1 0xc0
#define BCM59056_IOSR1VOUT1 0xc3
#define BCM59056_IOSR2VOUT1 0xc6
#define BCM59056_MSRVOUT1 0xc9
#define BCM59056_SDSR1VOUT1 0xcc
#define BCM59056_SDSR2VOUT1 0xcf
#define BCM59056_VSRVOUT1 0xd2
/* I2C slave 1 registers */
#define BCM59056_GPLDO5PMCTRL1 0x16
#define BCM59056_GPLDO6PMCTRL1 0x18
#define BCM59056_GPLDO1CTRL 0x1a
#define BCM59056_GPLDO2CTRL 0x1b
#define BCM59056_GPLDO3CTRL 0x1c
#define BCM59056_GPLDO4CTRL 0x1d
#define BCM59056_GPLDO5CTRL 0x1e
#define BCM59056_GPLDO6CTRL 0x1f
#define BCM59056_OTG_CTRL 0x40
#define BCM59056_GPLDO1PMCTRL1 0x57
#define BCM59056_GPLDO2PMCTRL1 0x59
#define BCM59056_GPLDO3PMCTRL1 0x5b
#define BCM59056_GPLDO4PMCTRL1 0x5d
/*
* RFLDO to VSR regulators are
* accessed via I2C slave 0
*/
/* LDO regulator IDs */
#define BCM59056_REG_RFLDO 0
#define BCM59056_REG_CAMLDO1 1
#define BCM59056_REG_CAMLDO2 2
#define BCM59056_REG_SIMLDO1 3
#define BCM59056_REG_SIMLDO2 4
#define BCM59056_REG_SDLDO 5
#define BCM59056_REG_SDXLDO 6
#define BCM59056_REG_MMCLDO1 7
#define BCM59056_REG_MMCLDO2 8
#define BCM59056_REG_AUDLDO 9
#define BCM59056_REG_MICLDO 10
#define BCM59056_REG_USBLDO 11
#define BCM59056_REG_VIBLDO 12
/* DCDC regulator IDs */
#define BCM59056_REG_CSR 13
#define BCM59056_REG_IOSR1 14
#define BCM59056_REG_IOSR2 15
#define BCM59056_REG_MSR 16
#define BCM59056_REG_SDSR1 17
#define BCM59056_REG_SDSR2 18
#define BCM59056_REG_VSR 19
/*
* GPLDO1 to VBUS regulators are
* accessed via I2C slave 1
*/
#define BCM59056_REG_GPLDO1 20
#define BCM59056_REG_GPLDO2 21
#define BCM59056_REG_GPLDO3 22
#define BCM59056_REG_GPLDO4 23
#define BCM59056_REG_GPLDO5 24
#define BCM59056_REG_GPLDO6 25
#define BCM59056_REG_VBUS 26
#define BCM59056_NUM_REGS 27
/* LDO group A: supported voltages in microvolts */
static const unsigned int bcm59056_ldo_a_table[] = {
1200000, 1800000, 2500000, 2700000, 2800000,
2900000, 3000000, 3300000,
};
/* LDO group C: supported voltages in microvolts */
static const unsigned int bcm59056_ldo_c_table[] = {
3100000, 1800000, 2500000, 2700000, 2800000,
2900000, 3000000, 3300000,
};
/* DCDC group CSR: supported voltages in microvolts */
static const struct linear_range bcm59056_dcdc_csr_ranges[] = {
REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000),
REGULATOR_LINEAR_RANGE(1360000, 51, 55, 20000),
REGULATOR_LINEAR_RANGE(900000, 56, 63, 0),
};
/* DCDC group IOSR1: supported voltages in microvolts */
static const struct linear_range bcm59056_dcdc_iosr1_ranges[] = {
REGULATOR_LINEAR_RANGE(860000, 2, 51, 10000),
REGULATOR_LINEAR_RANGE(1500000, 52, 52, 0),
REGULATOR_LINEAR_RANGE(1800000, 53, 53, 0),
REGULATOR_LINEAR_RANGE(900000, 54, 63, 0),
};
/* DCDC group SDSR1: supported voltages in microvolts */
static const struct linear_range bcm59056_dcdc_sdsr1_ranges[] = {
REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000),
REGULATOR_LINEAR_RANGE(1340000, 51, 51, 0),
REGULATOR_LINEAR_RANGE(900000, 52, 63, 0),
};
static const struct bcm590xx_reg_data bcm59056_regs[BCM59056_NUM_REGS] = {
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(RFLDO, rfldo, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(CAMLDO1, camldo1, ldo_c_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(CAMLDO2, camldo2, ldo_c_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(SIMLDO1, simldo1, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(SIMLDO2, simldo2, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(SDLDO, sdldo, ldo_c_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(SDXLDO, sdxldo, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(MMCLDO1, mmcldo1, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(MMCLDO2, mmcldo2, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(AUDLDO, audldo, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(MICLDO, micldo, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(USBLDO, usbldo, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_LDO_DESC(VIBLDO, vibldo, ldo_c_table),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_SR_DESC(CSR, csr, dcdc_csr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_SR_DESC(IOSR1, iosr1, dcdc_iosr1_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_SR_DESC(IOSR2, iosr2, dcdc_iosr1_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_SR_DESC(MSR, msr, dcdc_iosr1_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_SR_DESC(SDSR1, sdsr1, dcdc_sdsr1_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_SR_DESC(SDSR2, sdsr2, dcdc_iosr1_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59056_SR_DESC(VSR, vsr, dcdc_iosr1_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59056_LDO_DESC(GPLDO1, gpldo1, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59056_LDO_DESC(GPLDO2, gpldo2, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59056_LDO_DESC(GPLDO3, gpldo3, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59056_LDO_DESC(GPLDO4, gpldo4, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59056_LDO_DESC(GPLDO5, gpldo5, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59056_LDO_DESC(GPLDO6, gpldo6, ldo_a_table),
},
},
{
.type = BCM590XX_REG_TYPE_VBUS,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59056_REG_DESC(VBUS, vbus),
.ops = &bcm590xx_ops_vbus,
.n_voltages = 1,
.fixed_uV = 5000000,
.enable_reg = BCM59056_OTG_CTRL,
.enable_mask = BCM590XX_VBUS_ENABLE,
},
},
};
/* BCM59054 data */
/* I2C slave 0 registers */
#define BCM59054_RFLDOPMCTRL1 0x60
#define BCM59054_CAMLDO1PMCTRL1 0x62
#define BCM59054_CAMLDO2PMCTRL1 0x64
#define BCM59054_SIMLDO1PMCTRL1 0x66
#define BCM59054_SIMLDO2PMCTRL1 0x68
#define BCM59054_SDLDOPMCTRL1 0x6a
#define BCM59054_SDXLDOPMCTRL1 0x6c
#define BCM59054_MMCLDO1PMCTRL1 0x6e
#define BCM59054_MMCLDO2PMCTRL1 0x70
#define BCM59054_AUDLDOPMCTRL1 0x72
#define BCM59054_MICLDOPMCTRL1 0x74
#define BCM59054_USBLDOPMCTRL1 0x76
#define BCM59054_VIBLDOPMCTRL1 0x78
#define BCM59054_IOSR1PMCTRL1 0x7a
#define BCM59054_IOSR2PMCTRL1 0x7c
#define BCM59054_CSRPMCTRL1 0x7e
#define BCM59054_SDSR1PMCTRL1 0x82
#define BCM59054_SDSR2PMCTRL1 0x86
#define BCM59054_MMSRPMCTRL1 0x8a
#define BCM59054_VSRPMCTRL1 0x8e
#define BCM59054_RFLDOCTRL 0x96
#define BCM59054_CAMLDO1CTRL 0x97
#define BCM59054_CAMLDO2CTRL 0x98
#define BCM59054_SIMLDO1CTRL 0x99
#define BCM59054_SIMLDO2CTRL 0x9a
#define BCM59054_SDLDOCTRL 0x9b
#define BCM59054_SDXLDOCTRL 0x9c
#define BCM59054_MMCLDO1CTRL 0x9d
#define BCM59054_MMCLDO2CTRL 0x9e
#define BCM59054_AUDLDOCTRL 0x9f
#define BCM59054_MICLDOCTRL 0xa0
#define BCM59054_USBLDOCTRL 0xa1
#define BCM59054_VIBLDOCTRL 0xa2
#define BCM59054_CSRVOUT1 0xc0
#define BCM59054_IOSR1VOUT1 0xc3
#define BCM59054_IOSR2VOUT1 0xc6
#define BCM59054_MMSRVOUT1 0xc9
#define BCM59054_SDSR1VOUT1 0xcc
#define BCM59054_SDSR2VOUT1 0xcf
#define BCM59054_VSRVOUT1 0xd2
/* I2C slave 1 registers */
#define BCM59054_LVLDO1PMCTRL1 0x16
#define BCM59054_LVLDO2PMCTRL1 0x18
#define BCM59054_GPLDO1CTRL 0x1a
#define BCM59054_GPLDO2CTRL 0x1b
#define BCM59054_GPLDO3CTRL 0x1c
#define BCM59054_TCXLDOCTRL 0x1d
#define BCM59054_LVLDO1CTRL 0x1e
#define BCM59054_LVLDO2CTRL 0x1f
#define BCM59054_OTG_CTRL 0x40
#define BCM59054_GPLDO1PMCTRL1 0x57
#define BCM59054_GPLDO2PMCTRL1 0x59
#define BCM59054_GPLDO3PMCTRL1 0x5b
#define BCM59054_TCXLDOPMCTRL1 0x5d
/*
* RFLDO to VSR regulators are
* accessed via I2C slave 0
*/
/* LDO regulator IDs */
#define BCM59054_REG_RFLDO 0
#define BCM59054_REG_CAMLDO1 1
#define BCM59054_REG_CAMLDO2 2
#define BCM59054_REG_SIMLDO1 3
#define BCM59054_REG_SIMLDO2 4
#define BCM59054_REG_SDLDO 5
#define BCM59054_REG_SDXLDO 6
#define BCM59054_REG_MMCLDO1 7
#define BCM59054_REG_MMCLDO2 8
#define BCM59054_REG_AUDLDO 9
#define BCM59054_REG_MICLDO 10
#define BCM59054_REG_USBLDO 11
#define BCM59054_REG_VIBLDO 12
/* DCDC regulator IDs */
#define BCM59054_REG_CSR 13
#define BCM59054_REG_IOSR1 14
#define BCM59054_REG_IOSR2 15
#define BCM59054_REG_MMSR 16
#define BCM59054_REG_SDSR1 17
#define BCM59054_REG_SDSR2 18
#define BCM59054_REG_VSR 19
/*
* GPLDO1 to VBUS regulators are
* accessed via I2C slave 1
*/
#define BCM59054_REG_GPLDO1 20
#define BCM59054_REG_GPLDO2 21
#define BCM59054_REG_GPLDO3 22
#define BCM59054_REG_TCXLDO 23
#define BCM59054_REG_LVLDO1 24
#define BCM59054_REG_LVLDO2 25
#define BCM59054_REG_VBUS 26
#define BCM59054_NUM_REGS 27
/* LDO group 1: supported voltages in microvolts */
static const unsigned int bcm59054_ldo_1_table[] = {
1200000, 1800000, 2500000, 2700000, 2800000,
2900000, 3000000, 3300000,
};
/* LDO group 2: supported voltages in microvolts */
static const unsigned int bcm59054_ldo_2_table[] = {
3100000, 1800000, 2500000, 2700000, 2800000,
2900000, 3000000, 3300000,
};
/* LDO group 3: supported voltages in microvolts */
static const unsigned int bcm59054_ldo_3_table[] = {
1000000, 1107000, 1143000, 1214000, 1250000,
1464000, 1500000, 1786000,
};
/* DCDC group SR: supported voltages in microvolts */
static const struct linear_range bcm59054_dcdc_sr_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0, 1, 0),
REGULATOR_LINEAR_RANGE(860000, 2, 60, 10000),
REGULATOR_LINEAR_RANGE(1500000, 61, 61, 0),
REGULATOR_LINEAR_RANGE(1800000, 62, 62, 0),
REGULATOR_LINEAR_RANGE(900000, 63, 63, 0),
};
/* DCDC group VSR (BCM59054A1): supported voltages in microvolts */
static const struct linear_range bcm59054_dcdc_vsr_a1_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0, 1, 0),
REGULATOR_LINEAR_RANGE(860000, 2, 59, 10000),
REGULATOR_LINEAR_RANGE(1700000, 60, 60, 0),
REGULATOR_LINEAR_RANGE(1500000, 61, 61, 0),
REGULATOR_LINEAR_RANGE(1800000, 62, 62, 0),
REGULATOR_LINEAR_RANGE(1600000, 63, 63, 0),
};
/* DCDC group CSR: supported voltages in microvolts */
static const struct linear_range bcm59054_dcdc_csr_ranges[] = {
REGULATOR_LINEAR_RANGE(700000, 0, 1, 100000),
REGULATOR_LINEAR_RANGE(860000, 2, 60, 10000),
REGULATOR_LINEAR_RANGE(900000, 61, 63, 0),
};
static const struct bcm590xx_reg_data bcm59054_regs[BCM59054_NUM_REGS] = {
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(RFLDO, rfldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(CAMLDO1, camldo1, ldo_2_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(CAMLDO2, camldo2, ldo_2_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(SIMLDO1, simldo1, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(SIMLDO2, simldo2, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(SDLDO, sdldo, ldo_2_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(SDXLDO, sdxldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(MMCLDO1, mmcldo1, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(MMCLDO2, mmcldo2, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(AUDLDO, audldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_REG_DESC(MICLDO, micldo),
.ops = &bcm590xx_ops_ldo_novolt,
/* MICLDO is locked at 1.8V */
.n_voltages = 1,
.fixed_uV = 1800000,
.enable_reg = BCM59054_MICLDOPMCTRL1,
.enable_mask = BCM590XX_REG_ENABLE,
.enable_is_inverted = true,
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(USBLDO, usbldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(VIBLDO, vibldo, ldo_2_table),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(CSR, csr, dcdc_csr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(IOSR1, iosr1, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(IOSR2, iosr2, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(MMSR, mmsr, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(SDSR1, sdsr1, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(SDSR2, sdsr2, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(VSR, vsr, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(GPLDO1, gpldo1, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(GPLDO2, gpldo2, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(GPLDO3, gpldo3, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(TCXLDO, tcxldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(LVLDO1, lvldo1, ldo_3_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(LVLDO2, lvldo2, ldo_3_table),
},
},
{
.type = BCM590XX_REG_TYPE_VBUS,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_REG_DESC(VBUS, vbus),
.ops = &bcm590xx_ops_vbus,
.n_voltages = 1,
.fixed_uV = 5000000,
.enable_reg = BCM59054_OTG_CTRL,
.enable_mask = BCM590XX_VBUS_ENABLE,
},
},
};
/*
* BCM59054A1 regulators; same as previous revision, but with different
* VSR voltage table.
*/
static const struct bcm590xx_reg_data bcm59054_a1_regs[BCM59054_NUM_REGS] = {
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(RFLDO, rfldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(CAMLDO1, camldo1, ldo_2_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(CAMLDO2, camldo2, ldo_2_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(SIMLDO1, simldo1, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(SIMLDO2, simldo2, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(SDLDO, sdldo, ldo_2_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(SDXLDO, sdxldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(MMCLDO1, mmcldo1, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(MMCLDO2, mmcldo2, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(AUDLDO, audldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_REG_DESC(MICLDO, micldo),
.ops = &bcm590xx_ops_ldo_novolt,
/* MICLDO is locked at 1.8V */
.n_voltages = 1,
.fixed_uV = 1800000,
.enable_reg = BCM59054_MICLDOPMCTRL1,
.enable_mask = BCM590XX_REG_ENABLE,
.enable_is_inverted = true,
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(USBLDO, usbldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_LDO,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_LDO_DESC(VIBLDO, vibldo, ldo_2_table),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(CSR, csr, dcdc_csr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(IOSR1, iosr1, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(IOSR2, iosr2, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(MMSR, mmsr, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(SDSR1, sdsr1, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(SDSR2, sdsr2, dcdc_sr_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_SR,
.regmap = BCM590XX_REGMAP_PRI,
.desc = {
BCM59054_SR_DESC(VSR, vsr, dcdc_vsr_a1_ranges),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(GPLDO1, gpldo1, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(GPLDO2, gpldo2, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(GPLDO3, gpldo3, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(TCXLDO, tcxldo, ldo_1_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(LVLDO1, lvldo1, ldo_3_table),
},
},
{
.type = BCM590XX_REG_TYPE_GPLDO,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_LDO_DESC(LVLDO2, lvldo2, ldo_3_table),
},
},
{
.type = BCM590XX_REG_TYPE_VBUS,
.regmap = BCM590XX_REGMAP_SEC,
.desc = {
BCM59054_REG_DESC(VBUS, vbus),
.ops = &bcm590xx_ops_vbus,
.n_voltages = 1,
.fixed_uV = 5000000,
.enable_reg = BCM59054_OTG_CTRL,
.enable_mask = BCM590XX_VBUS_ENABLE,
},
},
};
static int bcm590xx_probe(struct platform_device *pdev)
{
struct bcm590xx *bcm590xx = dev_get_drvdata(pdev->dev.parent);
struct bcm590xx_reg *pmu;
const struct bcm590xx_reg_data *info;
struct regulator_config config = { };
struct regulator_dev *rdev;
unsigned int i;
pmu = devm_kzalloc(&pdev->dev, sizeof(*pmu), GFP_KERNEL);
if (!pmu)
return -ENOMEM;
pmu->mfd = bcm590xx;
switch (pmu->mfd->pmu_id) {
case BCM590XX_PMUID_BCM59054:
pmu->n_regulators = BCM59054_NUM_REGS;
if (pmu->mfd->rev_analog == BCM59054_REV_ANALOG_A1)
pmu->regs = bcm59054_a1_regs;
else
pmu->regs = bcm59054_regs;
break;
case BCM590XX_PMUID_BCM59056:
pmu->n_regulators = BCM59056_NUM_REGS;
pmu->regs = bcm59056_regs;
break;
default:
dev_err(bcm590xx->dev,
"unknown device type, could not initialize\n");
return -EINVAL;
}
platform_set_drvdata(pdev, pmu);
/* Register the regulators */
for (i = 0; i < pmu->n_regulators; i++) {
info = &pmu->regs[i];
config.dev = bcm590xx->dev;
config.driver_data = pmu;
switch (info->regmap) {
case BCM590XX_REGMAP_PRI:
config.regmap = bcm590xx->regmap_pri;
break;
case BCM590XX_REGMAP_SEC:
config.regmap = bcm590xx->regmap_sec;
break;
default:
dev_err(bcm590xx->dev,
"invalid regmap for %s regulator; this is a driver bug\n",
pdev->name);
return -EINVAL;
}
rdev = devm_regulator_register(&pdev->dev, &info->desc,
&config);
if (IS_ERR(rdev))
return dev_err_probe(bcm590xx->dev, PTR_ERR(rdev),
"failed to register %s regulator\n",
pdev->name);
}
return 0;
}
static struct platform_driver bcm590xx_regulator_driver = {
.driver = {
.name = "bcm590xx-vregs",
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.probe = bcm590xx_probe,
};
module_platform_driver(bcm590xx_regulator_driver);
MODULE_AUTHOR("Matt Porter <mporter@linaro.org>");
MODULE_DESCRIPTION("BCM590xx voltage regulator driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:bcm590xx-vregs");