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1690 lines
44 KiB
1690 lines
44 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Driver for Regulator part of Palmas PMIC Chips |
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* |
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* Copyright 2011-2013 Texas Instruments Inc. |
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* |
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* Author: Graeme Gregory <[email protected]> |
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* Author: Ian Lartey <[email protected]> |
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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/platform_device.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/slab.h> |
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#include <linux/regmap.h> |
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#include <linux/mfd/palmas.h> |
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#include <linux/of.h> |
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#include <linux/of_platform.h> |
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#include <linux/regulator/of_regulator.h> |
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static const struct linear_range smps_low_ranges[] = { |
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REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0), |
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REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0), |
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REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000), |
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REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0), |
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}; |
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static const struct linear_range smps_high_ranges[] = { |
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REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0), |
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REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0), |
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REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000), |
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REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0), |
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}; |
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static struct palmas_regs_info palmas_generic_regs_info[] = { |
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{ |
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.name = "SMPS12", |
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.sname = "smps1-in", |
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.vsel_addr = PALMAS_SMPS12_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS12_CTRL, |
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.tstep_addr = PALMAS_SMPS12_TSTEP, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS12, |
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}, |
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{ |
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.name = "SMPS123", |
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.sname = "smps1-in", |
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.vsel_addr = PALMAS_SMPS12_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS12_CTRL, |
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.tstep_addr = PALMAS_SMPS12_TSTEP, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS12, |
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}, |
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{ |
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.name = "SMPS3", |
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.sname = "smps3-in", |
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.vsel_addr = PALMAS_SMPS3_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS3_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS3, |
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}, |
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{ |
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.name = "SMPS45", |
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.sname = "smps4-in", |
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.vsel_addr = PALMAS_SMPS45_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS45_CTRL, |
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.tstep_addr = PALMAS_SMPS45_TSTEP, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS45, |
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}, |
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{ |
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.name = "SMPS457", |
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.sname = "smps4-in", |
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.vsel_addr = PALMAS_SMPS45_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS45_CTRL, |
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.tstep_addr = PALMAS_SMPS45_TSTEP, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS45, |
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}, |
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{ |
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.name = "SMPS6", |
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.sname = "smps6-in", |
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.vsel_addr = PALMAS_SMPS6_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS6_CTRL, |
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.tstep_addr = PALMAS_SMPS6_TSTEP, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS6, |
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}, |
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{ |
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.name = "SMPS7", |
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.sname = "smps7-in", |
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.vsel_addr = PALMAS_SMPS7_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS7_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS7, |
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}, |
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{ |
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.name = "SMPS8", |
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.sname = "smps8-in", |
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.vsel_addr = PALMAS_SMPS8_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS8_CTRL, |
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.tstep_addr = PALMAS_SMPS8_TSTEP, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS8, |
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}, |
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{ |
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.name = "SMPS9", |
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.sname = "smps9-in", |
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.vsel_addr = PALMAS_SMPS9_VOLTAGE, |
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.ctrl_addr = PALMAS_SMPS9_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS9, |
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}, |
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{ |
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.name = "SMPS10_OUT2", |
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.sname = "smps10-in", |
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.ctrl_addr = PALMAS_SMPS10_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10, |
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}, |
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{ |
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.name = "SMPS10_OUT1", |
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.sname = "smps10-out2", |
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.ctrl_addr = PALMAS_SMPS10_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10, |
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}, |
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{ |
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.name = "LDO1", |
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.sname = "ldo1-in", |
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.vsel_addr = PALMAS_LDO1_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO1_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO1, |
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}, |
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{ |
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.name = "LDO2", |
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.sname = "ldo2-in", |
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.vsel_addr = PALMAS_LDO2_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO2_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO2, |
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}, |
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{ |
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.name = "LDO3", |
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.sname = "ldo3-in", |
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.vsel_addr = PALMAS_LDO3_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO3_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO3, |
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}, |
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{ |
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.name = "LDO4", |
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.sname = "ldo4-in", |
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.vsel_addr = PALMAS_LDO4_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO4_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO4, |
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}, |
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{ |
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.name = "LDO5", |
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.sname = "ldo5-in", |
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.vsel_addr = PALMAS_LDO5_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO5_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO5, |
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}, |
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{ |
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.name = "LDO6", |
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.sname = "ldo6-in", |
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.vsel_addr = PALMAS_LDO6_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO6_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO6, |
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}, |
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{ |
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.name = "LDO7", |
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.sname = "ldo7-in", |
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.vsel_addr = PALMAS_LDO7_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO7_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO7, |
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}, |
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{ |
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.name = "LDO8", |
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.sname = "ldo8-in", |
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.vsel_addr = PALMAS_LDO8_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO8_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO8, |
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}, |
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{ |
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.name = "LDO9", |
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.sname = "ldo9-in", |
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.vsel_addr = PALMAS_LDO9_VOLTAGE, |
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.ctrl_addr = PALMAS_LDO9_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO9, |
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}, |
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{ |
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.name = "LDOLN", |
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.sname = "ldoln-in", |
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.vsel_addr = PALMAS_LDOLN_VOLTAGE, |
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.ctrl_addr = PALMAS_LDOLN_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOLN, |
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}, |
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{ |
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.name = "LDOUSB", |
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.sname = "ldousb-in", |
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.vsel_addr = PALMAS_LDOUSB_VOLTAGE, |
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.ctrl_addr = PALMAS_LDOUSB_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB, |
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}, |
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{ |
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.name = "REGEN1", |
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.ctrl_addr = PALMAS_REGEN1_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN1, |
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}, |
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{ |
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.name = "REGEN2", |
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.ctrl_addr = PALMAS_REGEN2_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN2, |
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}, |
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{ |
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.name = "REGEN3", |
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.ctrl_addr = PALMAS_REGEN3_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN3, |
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}, |
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{ |
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.name = "SYSEN1", |
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.ctrl_addr = PALMAS_SYSEN1_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1, |
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}, |
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{ |
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.name = "SYSEN2", |
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.ctrl_addr = PALMAS_SYSEN2_CTRL, |
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.sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2, |
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}, |
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}; |
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static struct palmas_regs_info tps65917_regs_info[] = { |
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{ |
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.name = "SMPS1", |
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.sname = "smps1-in", |
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.vsel_addr = TPS65917_SMPS1_VOLTAGE, |
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.ctrl_addr = TPS65917_SMPS1_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS1, |
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}, |
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{ |
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.name = "SMPS2", |
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.sname = "smps2-in", |
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.vsel_addr = TPS65917_SMPS2_VOLTAGE, |
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.ctrl_addr = TPS65917_SMPS2_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS2, |
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}, |
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{ |
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.name = "SMPS3", |
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.sname = "smps3-in", |
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.vsel_addr = TPS65917_SMPS3_VOLTAGE, |
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.ctrl_addr = TPS65917_SMPS3_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS3, |
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}, |
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{ |
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.name = "SMPS4", |
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.sname = "smps4-in", |
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.vsel_addr = TPS65917_SMPS4_VOLTAGE, |
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.ctrl_addr = TPS65917_SMPS4_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS4, |
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}, |
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{ |
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.name = "SMPS5", |
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.sname = "smps5-in", |
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.vsel_addr = TPS65917_SMPS5_VOLTAGE, |
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.ctrl_addr = TPS65917_SMPS5_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS5, |
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}, |
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{ |
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.name = "SMPS12", |
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.sname = "smps1-in", |
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.vsel_addr = TPS65917_SMPS1_VOLTAGE, |
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.ctrl_addr = TPS65917_SMPS1_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS12, |
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}, |
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{ |
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.name = "LDO1", |
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.sname = "ldo1-in", |
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.vsel_addr = TPS65917_LDO1_VOLTAGE, |
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.ctrl_addr = TPS65917_LDO1_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO1, |
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}, |
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{ |
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.name = "LDO2", |
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.sname = "ldo2-in", |
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.vsel_addr = TPS65917_LDO2_VOLTAGE, |
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.ctrl_addr = TPS65917_LDO2_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO2, |
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}, |
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{ |
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.name = "LDO3", |
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.sname = "ldo3-in", |
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.vsel_addr = TPS65917_LDO3_VOLTAGE, |
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.ctrl_addr = TPS65917_LDO3_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO3, |
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}, |
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{ |
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.name = "LDO4", |
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.sname = "ldo4-in", |
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.vsel_addr = TPS65917_LDO4_VOLTAGE, |
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.ctrl_addr = TPS65917_LDO4_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO4, |
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}, |
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{ |
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.name = "LDO5", |
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.sname = "ldo5-in", |
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.vsel_addr = TPS65917_LDO5_VOLTAGE, |
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.ctrl_addr = TPS65917_LDO5_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO5, |
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}, |
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{ |
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.name = "REGEN1", |
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.ctrl_addr = TPS65917_REGEN1_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN1, |
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}, |
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{ |
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.name = "REGEN2", |
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.ctrl_addr = TPS65917_REGEN2_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN2, |
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}, |
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{ |
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.name = "REGEN3", |
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.ctrl_addr = TPS65917_REGEN3_CTRL, |
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.sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN3, |
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}, |
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}; |
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#define EXTERNAL_REQUESTOR(_id, _offset, _pos) \ |
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[PALMAS_EXTERNAL_REQSTR_ID_##_id] = { \ |
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.id = PALMAS_EXTERNAL_REQSTR_ID_##_id, \ |
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.reg_offset = _offset, \ |
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.bit_pos = _pos, \ |
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} |
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static struct palmas_sleep_requestor_info palma_sleep_req_info[] = { |
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EXTERNAL_REQUESTOR(REGEN1, 0, 0), |
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EXTERNAL_REQUESTOR(REGEN2, 0, 1), |
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EXTERNAL_REQUESTOR(SYSEN1, 0, 2), |
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EXTERNAL_REQUESTOR(SYSEN2, 0, 3), |
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EXTERNAL_REQUESTOR(CLK32KG, 0, 4), |
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EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5), |
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EXTERNAL_REQUESTOR(REGEN3, 0, 6), |
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EXTERNAL_REQUESTOR(SMPS12, 1, 0), |
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EXTERNAL_REQUESTOR(SMPS3, 1, 1), |
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EXTERNAL_REQUESTOR(SMPS45, 1, 2), |
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EXTERNAL_REQUESTOR(SMPS6, 1, 3), |
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EXTERNAL_REQUESTOR(SMPS7, 1, 4), |
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EXTERNAL_REQUESTOR(SMPS8, 1, 5), |
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EXTERNAL_REQUESTOR(SMPS9, 1, 6), |
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EXTERNAL_REQUESTOR(SMPS10, 1, 7), |
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EXTERNAL_REQUESTOR(LDO1, 2, 0), |
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EXTERNAL_REQUESTOR(LDO2, 2, 1), |
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EXTERNAL_REQUESTOR(LDO3, 2, 2), |
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EXTERNAL_REQUESTOR(LDO4, 2, 3), |
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EXTERNAL_REQUESTOR(LDO5, 2, 4), |
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EXTERNAL_REQUESTOR(LDO6, 2, 5), |
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EXTERNAL_REQUESTOR(LDO7, 2, 6), |
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EXTERNAL_REQUESTOR(LDO8, 2, 7), |
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EXTERNAL_REQUESTOR(LDO9, 3, 0), |
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EXTERNAL_REQUESTOR(LDOLN, 3, 1), |
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EXTERNAL_REQUESTOR(LDOUSB, 3, 2), |
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}; |
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#define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos) \ |
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[TPS65917_EXTERNAL_REQSTR_ID_##_id] = { \ |
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.id = TPS65917_EXTERNAL_REQSTR_ID_##_id, \ |
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.reg_offset = _offset, \ |
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.bit_pos = _pos, \ |
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} |
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static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = { |
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EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0), |
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EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1), |
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EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6), |
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EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0), |
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EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1), |
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EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2), |
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EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3), |
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EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4), |
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EXTERNAL_REQUESTOR_TPS65917(SMPS12, 1, 5), |
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EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0), |
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EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1), |
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EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2), |
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EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3), |
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EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4), |
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}; |
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static const unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500}; |
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#define SMPS_CTRL_MODE_OFF 0x00 |
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#define SMPS_CTRL_MODE_ON 0x01 |
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#define SMPS_CTRL_MODE_ECO 0x02 |
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#define SMPS_CTRL_MODE_PWM 0x03 |
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#define PALMAS_SMPS_NUM_VOLTAGES 122 |
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#define PALMAS_SMPS10_NUM_VOLTAGES 2 |
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#define PALMAS_LDO_NUM_VOLTAGES 50 |
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#define SMPS10_VSEL (1<<3) |
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#define SMPS10_BOOST_EN (1<<2) |
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#define SMPS10_BYPASS_EN (1<<1) |
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#define SMPS10_SWITCH_EN (1<<0) |
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#define REGULATOR_SLAVE 0 |
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static int palmas_smps_read(struct palmas *palmas, unsigned int reg, |
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unsigned int *dest) |
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{ |
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unsigned int addr; |
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addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg); |
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return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest); |
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} |
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static int palmas_smps_write(struct palmas *palmas, unsigned int reg, |
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unsigned int value) |
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{ |
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unsigned int addr; |
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addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg); |
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return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value); |
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} |
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static int palmas_ldo_read(struct palmas *palmas, unsigned int reg, |
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unsigned int *dest) |
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{ |
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unsigned int addr; |
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addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg); |
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return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest); |
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} |
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static int palmas_ldo_write(struct palmas *palmas, unsigned int reg, |
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unsigned int value) |
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{ |
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unsigned int addr; |
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|
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addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg); |
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return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value); |
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} |
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static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode) |
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{ |
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int id = rdev_get_id(dev); |
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int ret; |
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struct palmas_pmic *pmic = rdev_get_drvdata(dev); |
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struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; |
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struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; |
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unsigned int reg; |
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bool rail_enable = true; |
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ret = palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, ®); |
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if (ret) |
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return ret; |
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reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; |
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|
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if (reg == SMPS_CTRL_MODE_OFF) |
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rail_enable = false; |
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|
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switch (mode) { |
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case REGULATOR_MODE_NORMAL: |
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reg |= SMPS_CTRL_MODE_ON; |
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break; |
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case REGULATOR_MODE_IDLE: |
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reg |= SMPS_CTRL_MODE_ECO; |
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break; |
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case REGULATOR_MODE_FAST: |
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reg |= SMPS_CTRL_MODE_PWM; |
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break; |
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default: |
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return -EINVAL; |
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} |
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|
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pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; |
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if (rail_enable) |
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palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg); |
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|
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/* Switch the enable value to ensure this is used for enable */ |
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pmic->desc[id].enable_val = pmic->current_reg_mode[id]; |
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return 0; |
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} |
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|
|
static unsigned int palmas_get_mode_smps(struct regulator_dev *dev) |
|
{ |
|
struct palmas_pmic *pmic = rdev_get_drvdata(dev); |
|
int id = rdev_get_id(dev); |
|
unsigned int reg; |
|
|
|
reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; |
|
|
|
switch (reg) { |
|
case SMPS_CTRL_MODE_ON: |
|
return REGULATOR_MODE_NORMAL; |
|
case SMPS_CTRL_MODE_ECO: |
|
return REGULATOR_MODE_IDLE; |
|
case SMPS_CTRL_MODE_PWM: |
|
return REGULATOR_MODE_FAST; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev, |
|
int ramp_delay) |
|
{ |
|
int id = rdev_get_id(rdev); |
|
struct palmas_pmic *pmic = rdev_get_drvdata(rdev); |
|
struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; |
|
struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; |
|
unsigned int reg = 0; |
|
int ret; |
|
|
|
/* SMPS3 and SMPS7 do not have tstep_addr setting */ |
|
switch (id) { |
|
case PALMAS_REG_SMPS3: |
|
case PALMAS_REG_SMPS7: |
|
return 0; |
|
} |
|
|
|
if (ramp_delay <= 0) |
|
reg = 0; |
|
else if (ramp_delay <= 2500) |
|
reg = 3; |
|
else if (ramp_delay <= 5000) |
|
reg = 2; |
|
else |
|
reg = 1; |
|
|
|
ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg); |
|
if (ret < 0) { |
|
dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg]; |
|
return ret; |
|
} |
|
|
|
static const struct regulator_ops palmas_ops_smps = { |
|
.is_enabled = regulator_is_enabled_regmap, |
|
.enable = regulator_enable_regmap, |
|
.disable = regulator_disable_regmap, |
|
.set_mode = palmas_set_mode_smps, |
|
.get_mode = palmas_get_mode_smps, |
|
.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, |
|
.set_voltage_time_sel = regulator_set_voltage_time_sel, |
|
.set_ramp_delay = palmas_smps_set_ramp_delay, |
|
}; |
|
|
|
static const struct regulator_ops palmas_ops_ext_control_smps = { |
|
.set_mode = palmas_set_mode_smps, |
|
.get_mode = palmas_get_mode_smps, |
|
.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, |
|
.set_voltage_time_sel = regulator_set_voltage_time_sel, |
|
.set_ramp_delay = palmas_smps_set_ramp_delay, |
|
}; |
|
|
|
static const struct regulator_ops palmas_ops_smps10 = { |
|
.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, |
|
.map_voltage = regulator_map_voltage_linear, |
|
.set_bypass = regulator_set_bypass_regmap, |
|
.get_bypass = regulator_get_bypass_regmap, |
|
}; |
|
|
|
static const struct regulator_ops tps65917_ops_smps = { |
|
.is_enabled = regulator_is_enabled_regmap, |
|
.enable = regulator_enable_regmap, |
|
.disable = regulator_disable_regmap, |
|
.set_mode = palmas_set_mode_smps, |
|
.get_mode = palmas_get_mode_smps, |
|
.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, |
|
.set_voltage_time_sel = regulator_set_voltage_time_sel, |
|
}; |
|
|
|
static const struct regulator_ops tps65917_ops_ext_control_smps = { |
|
.set_mode = palmas_set_mode_smps, |
|
.get_mode = palmas_get_mode_smps, |
|
.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 int palmas_is_enabled_ldo(struct regulator_dev *dev) |
|
{ |
|
int id = rdev_get_id(dev); |
|
struct palmas_pmic *pmic = rdev_get_drvdata(dev); |
|
struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; |
|
struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; |
|
unsigned int reg; |
|
|
|
palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, ®); |
|
|
|
reg &= PALMAS_LDO1_CTRL_STATUS; |
|
|
|
return !!(reg); |
|
} |
|
|
|
static const struct regulator_ops palmas_ops_ldo = { |
|
.is_enabled = palmas_is_enabled_ldo, |
|
.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, |
|
.map_voltage = regulator_map_voltage_linear, |
|
}; |
|
|
|
static const struct regulator_ops palmas_ops_ldo9 = { |
|
.is_enabled = palmas_is_enabled_ldo, |
|
.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, |
|
.map_voltage = regulator_map_voltage_linear, |
|
.set_bypass = regulator_set_bypass_regmap, |
|
.get_bypass = regulator_get_bypass_regmap, |
|
}; |
|
|
|
static const struct regulator_ops palmas_ops_ext_control_ldo = { |
|
.get_voltage_sel = regulator_get_voltage_sel_regmap, |
|
.set_voltage_sel = regulator_set_voltage_sel_regmap, |
|
.list_voltage = regulator_list_voltage_linear, |
|
.map_voltage = regulator_map_voltage_linear, |
|
}; |
|
|
|
static const struct regulator_ops palmas_ops_extreg = { |
|
.is_enabled = regulator_is_enabled_regmap, |
|
.enable = regulator_enable_regmap, |
|
.disable = regulator_disable_regmap, |
|
}; |
|
|
|
static const struct regulator_ops palmas_ops_ext_control_extreg = { |
|
}; |
|
|
|
static const struct regulator_ops tps65917_ops_ldo = { |
|
.is_enabled = palmas_is_enabled_ldo, |
|
.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, |
|
.map_voltage = regulator_map_voltage_linear, |
|
.set_voltage_time_sel = regulator_set_voltage_time_sel, |
|
}; |
|
|
|
static const struct regulator_ops tps65917_ops_ldo_1_2 = { |
|
.is_enabled = palmas_is_enabled_ldo, |
|
.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, |
|
.map_voltage = regulator_map_voltage_linear, |
|
.set_voltage_time_sel = regulator_set_voltage_time_sel, |
|
.set_bypass = regulator_set_bypass_regmap, |
|
.get_bypass = regulator_get_bypass_regmap, |
|
}; |
|
|
|
static int palmas_regulator_config_external(struct palmas *palmas, int id, |
|
struct palmas_reg_init *reg_init) |
|
{ |
|
struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; |
|
struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; |
|
int ret; |
|
|
|
ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id, |
|
reg_init->roof_floor, true); |
|
if (ret < 0) |
|
dev_err(palmas->dev, |
|
"Ext control config for regulator %d failed %d\n", |
|
id, ret); |
|
return ret; |
|
} |
|
|
|
/* |
|
* setup the hardware based sleep configuration of the SMPS/LDO regulators |
|
* from the platform data. This is different to the software based control |
|
* supported by the regulator framework as it is controlled by toggling |
|
* pins on the PMIC such as PREQ, SYSEN, ... |
|
*/ |
|
static int palmas_smps_init(struct palmas *palmas, int id, |
|
struct palmas_reg_init *reg_init) |
|
{ |
|
unsigned int reg; |
|
int ret; |
|
struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; |
|
struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; |
|
unsigned int addr = rinfo->ctrl_addr; |
|
|
|
ret = palmas_smps_read(palmas, addr, ®); |
|
if (ret) |
|
return ret; |
|
|
|
switch (id) { |
|
case PALMAS_REG_SMPS10_OUT1: |
|
case PALMAS_REG_SMPS10_OUT2: |
|
reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK; |
|
if (reg_init->mode_sleep) |
|
reg |= reg_init->mode_sleep << |
|
PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT; |
|
break; |
|
default: |
|
if (reg_init->warm_reset) |
|
reg |= PALMAS_SMPS12_CTRL_WR_S; |
|
else |
|
reg &= ~PALMAS_SMPS12_CTRL_WR_S; |
|
|
|
if (reg_init->roof_floor) |
|
reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN; |
|
else |
|
reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN; |
|
|
|
reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK; |
|
if (reg_init->mode_sleep) |
|
reg |= reg_init->mode_sleep << |
|
PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT; |
|
} |
|
|
|
ret = palmas_smps_write(palmas, addr, reg); |
|
if (ret) |
|
return ret; |
|
|
|
if (rinfo->vsel_addr && reg_init->vsel) { |
|
|
|
reg = reg_init->vsel; |
|
|
|
ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg); |
|
if (ret) |
|
return ret; |
|
} |
|
|
|
if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) && |
|
(id != PALMAS_REG_SMPS10_OUT2)) { |
|
/* Enable externally controlled regulator */ |
|
ret = palmas_smps_read(palmas, addr, ®); |
|
if (ret < 0) |
|
return ret; |
|
|
|
if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) { |
|
reg |= SMPS_CTRL_MODE_ON; |
|
ret = palmas_smps_write(palmas, addr, reg); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
return palmas_regulator_config_external(palmas, id, reg_init); |
|
} |
|
return 0; |
|
} |
|
|
|
static int palmas_ldo_init(struct palmas *palmas, int id, |
|
struct palmas_reg_init *reg_init) |
|
{ |
|
unsigned int reg; |
|
unsigned int addr; |
|
int ret; |
|
struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; |
|
struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; |
|
|
|
addr = rinfo->ctrl_addr; |
|
|
|
ret = palmas_ldo_read(palmas, addr, ®); |
|
if (ret) |
|
return ret; |
|
|
|
if (reg_init->warm_reset) |
|
reg |= PALMAS_LDO1_CTRL_WR_S; |
|
else |
|
reg &= ~PALMAS_LDO1_CTRL_WR_S; |
|
|
|
if (reg_init->mode_sleep) |
|
reg |= PALMAS_LDO1_CTRL_MODE_SLEEP; |
|
else |
|
reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP; |
|
|
|
ret = palmas_ldo_write(palmas, addr, reg); |
|
if (ret) |
|
return ret; |
|
|
|
if (reg_init->roof_floor) { |
|
/* Enable externally controlled regulator */ |
|
ret = palmas_update_bits(palmas, PALMAS_LDO_BASE, |
|
addr, PALMAS_LDO1_CTRL_MODE_ACTIVE, |
|
PALMAS_LDO1_CTRL_MODE_ACTIVE); |
|
if (ret < 0) { |
|
dev_err(palmas->dev, |
|
"LDO Register 0x%02x update failed %d\n", |
|
addr, ret); |
|
return ret; |
|
} |
|
return palmas_regulator_config_external(palmas, id, reg_init); |
|
} |
|
return 0; |
|
} |
|
|
|
static int palmas_extreg_init(struct palmas *palmas, int id, |
|
struct palmas_reg_init *reg_init) |
|
{ |
|
unsigned int addr; |
|
int ret; |
|
unsigned int val = 0; |
|
struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; |
|
struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; |
|
|
|
addr = rinfo->ctrl_addr; |
|
|
|
if (reg_init->mode_sleep) |
|
val = PALMAS_REGEN1_CTRL_MODE_SLEEP; |
|
|
|
ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, |
|
addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val); |
|
if (ret < 0) { |
|
dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n", |
|
addr, ret); |
|
return ret; |
|
} |
|
|
|
if (reg_init->roof_floor) { |
|
/* Enable externally controlled regulator */ |
|
ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, |
|
addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE, |
|
PALMAS_REGEN1_CTRL_MODE_ACTIVE); |
|
if (ret < 0) { |
|
dev_err(palmas->dev, |
|
"Resource Register 0x%02x update failed %d\n", |
|
addr, ret); |
|
return ret; |
|
} |
|
return palmas_regulator_config_external(palmas, id, reg_init); |
|
} |
|
return 0; |
|
} |
|
|
|
static void palmas_enable_ldo8_track(struct palmas *palmas) |
|
{ |
|
unsigned int reg; |
|
unsigned int addr; |
|
int ret; |
|
struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; |
|
struct palmas_regs_info *rinfo; |
|
|
|
rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8]; |
|
addr = rinfo->ctrl_addr; |
|
|
|
ret = palmas_ldo_read(palmas, addr, ®); |
|
if (ret) { |
|
dev_err(palmas->dev, "Error in reading ldo8 control reg\n"); |
|
return; |
|
} |
|
|
|
reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN; |
|
ret = palmas_ldo_write(palmas, addr, reg); |
|
if (ret < 0) { |
|
dev_err(palmas->dev, "Error in enabling tracking mode\n"); |
|
return; |
|
} |
|
/* |
|
* When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8 |
|
* output is defined by the LDO8_VOLTAGE.VSEL register divided by two, |
|
* and can be set from 0.45 to 1.65 V. |
|
*/ |
|
addr = rinfo->vsel_addr; |
|
ret = palmas_ldo_read(palmas, addr, ®); |
|
if (ret) { |
|
dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n"); |
|
return; |
|
} |
|
|
|
reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK; |
|
ret = palmas_ldo_write(palmas, addr, reg); |
|
if (ret < 0) |
|
dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n"); |
|
|
|
return; |
|
} |
|
|
|
static int palmas_ldo_registration(struct palmas_pmic *pmic, |
|
struct palmas_pmic_driver_data *ddata, |
|
struct palmas_pmic_platform_data *pdata, |
|
const char *pdev_name, |
|
struct regulator_config config) |
|
{ |
|
int id, ret; |
|
struct regulator_dev *rdev; |
|
struct palmas_reg_init *reg_init; |
|
struct palmas_regs_info *rinfo; |
|
struct regulator_desc *desc; |
|
|
|
for (id = ddata->ldo_begin; id < ddata->max_reg; id++) { |
|
if (pdata && pdata->reg_init[id]) |
|
reg_init = pdata->reg_init[id]; |
|
else |
|
reg_init = NULL; |
|
|
|
rinfo = &ddata->palmas_regs_info[id]; |
|
/* Miss out regulators which are not available due |
|
* to alternate functions. |
|
*/ |
|
|
|
/* Register the regulators */ |
|
desc = &pmic->desc[id]; |
|
desc->name = rinfo->name; |
|
desc->id = id; |
|
desc->type = REGULATOR_VOLTAGE; |
|
desc->owner = THIS_MODULE; |
|
|
|
if (id < PALMAS_REG_REGEN1) { |
|
desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES; |
|
if (reg_init && reg_init->roof_floor) |
|
desc->ops = &palmas_ops_ext_control_ldo; |
|
else |
|
desc->ops = &palmas_ops_ldo; |
|
desc->min_uV = 900000; |
|
desc->uV_step = 50000; |
|
desc->linear_min_sel = 1; |
|
desc->enable_time = 500; |
|
desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, |
|
rinfo->vsel_addr); |
|
desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK; |
|
desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, |
|
rinfo->ctrl_addr); |
|
desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE; |
|
|
|
/* Check if LDO8 is in tracking mode or not */ |
|
if (pdata && (id == PALMAS_REG_LDO8) && |
|
pdata->enable_ldo8_tracking) { |
|
palmas_enable_ldo8_track(pmic->palmas); |
|
desc->min_uV = 450000; |
|
desc->uV_step = 25000; |
|
} |
|
|
|
/* LOD6 in vibrator mode will have enable time 2000us */ |
|
if (pdata && pdata->ldo6_vibrator && |
|
(id == PALMAS_REG_LDO6)) |
|
desc->enable_time = 2000; |
|
|
|
if (id == PALMAS_REG_LDO9) { |
|
desc->ops = &palmas_ops_ldo9; |
|
desc->bypass_reg = desc->enable_reg; |
|
desc->bypass_val_on = |
|
PALMAS_LDO9_CTRL_LDO_BYPASS_EN; |
|
desc->bypass_mask = |
|
PALMAS_LDO9_CTRL_LDO_BYPASS_EN; |
|
} |
|
} else { |
|
if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3) |
|
continue; |
|
|
|
desc->n_voltages = 1; |
|
if (reg_init && reg_init->roof_floor) |
|
desc->ops = &palmas_ops_ext_control_extreg; |
|
else |
|
desc->ops = &palmas_ops_extreg; |
|
desc->enable_reg = |
|
PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, |
|
rinfo->ctrl_addr); |
|
desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE; |
|
} |
|
|
|
if (pdata) |
|
config.init_data = pdata->reg_data[id]; |
|
else |
|
config.init_data = NULL; |
|
|
|
desc->supply_name = rinfo->sname; |
|
config.of_node = ddata->palmas_matches[id].of_node; |
|
|
|
rdev = devm_regulator_register(pmic->dev, desc, &config); |
|
if (IS_ERR(rdev)) { |
|
dev_err(pmic->dev, |
|
"failed to register %s regulator\n", |
|
pdev_name); |
|
return PTR_ERR(rdev); |
|
} |
|
|
|
/* Initialise sleep/init values from platform data */ |
|
if (pdata) { |
|
reg_init = pdata->reg_init[id]; |
|
if (reg_init) { |
|
if (id <= ddata->ldo_end) |
|
ret = palmas_ldo_init(pmic->palmas, id, |
|
reg_init); |
|
else |
|
ret = palmas_extreg_init(pmic->palmas, |
|
id, reg_init); |
|
if (ret) |
|
return ret; |
|
} |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int tps65917_ldo_registration(struct palmas_pmic *pmic, |
|
struct palmas_pmic_driver_data *ddata, |
|
struct palmas_pmic_platform_data *pdata, |
|
const char *pdev_name, |
|
struct regulator_config config) |
|
{ |
|
int id, ret; |
|
struct regulator_dev *rdev; |
|
struct palmas_reg_init *reg_init; |
|
struct palmas_regs_info *rinfo; |
|
struct regulator_desc *desc; |
|
|
|
for (id = ddata->ldo_begin; id < ddata->max_reg; id++) { |
|
if (pdata && pdata->reg_init[id]) |
|
reg_init = pdata->reg_init[id]; |
|
else |
|
reg_init = NULL; |
|
|
|
/* Miss out regulators which are not available due |
|
* to alternate functions. |
|
*/ |
|
rinfo = &ddata->palmas_regs_info[id]; |
|
|
|
/* Register the regulators */ |
|
desc = &pmic->desc[id]; |
|
desc->name = rinfo->name; |
|
desc->id = id; |
|
desc->type = REGULATOR_VOLTAGE; |
|
desc->owner = THIS_MODULE; |
|
|
|
if (id < TPS65917_REG_REGEN1) { |
|
desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES; |
|
if (reg_init && reg_init->roof_floor) |
|
desc->ops = &palmas_ops_ext_control_ldo; |
|
else |
|
desc->ops = &tps65917_ops_ldo; |
|
desc->min_uV = 900000; |
|
desc->uV_step = 50000; |
|
desc->linear_min_sel = 1; |
|
desc->enable_time = 500; |
|
desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, |
|
rinfo->vsel_addr); |
|
desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK; |
|
desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, |
|
rinfo->ctrl_addr); |
|
desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE; |
|
/* |
|
* To be confirmed. Discussion on going with PMIC Team. |
|
* It is of the order of ~60mV/uS. |
|
*/ |
|
desc->ramp_delay = 2500; |
|
if (id == TPS65917_REG_LDO1 || |
|
id == TPS65917_REG_LDO2) { |
|
desc->ops = &tps65917_ops_ldo_1_2; |
|
desc->bypass_reg = desc->enable_reg; |
|
desc->bypass_val_on = |
|
TPS65917_LDO1_CTRL_BYPASS_EN; |
|
desc->bypass_mask = |
|
TPS65917_LDO1_CTRL_BYPASS_EN; |
|
} |
|
} else { |
|
desc->n_voltages = 1; |
|
if (reg_init && reg_init->roof_floor) |
|
desc->ops = &palmas_ops_ext_control_extreg; |
|
else |
|
desc->ops = &palmas_ops_extreg; |
|
desc->enable_reg = |
|
PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, |
|
rinfo->ctrl_addr); |
|
desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE; |
|
} |
|
|
|
if (pdata) |
|
config.init_data = pdata->reg_data[id]; |
|
else |
|
config.init_data = NULL; |
|
|
|
desc->supply_name = rinfo->sname; |
|
config.of_node = ddata->palmas_matches[id].of_node; |
|
|
|
rdev = devm_regulator_register(pmic->dev, desc, &config); |
|
if (IS_ERR(rdev)) { |
|
dev_err(pmic->dev, |
|
"failed to register %s regulator\n", |
|
pdev_name); |
|
return PTR_ERR(rdev); |
|
} |
|
|
|
/* Initialise sleep/init values from platform data */ |
|
if (pdata) { |
|
reg_init = pdata->reg_init[id]; |
|
if (reg_init) { |
|
if (id < TPS65917_REG_REGEN1) |
|
ret = palmas_ldo_init(pmic->palmas, |
|
id, reg_init); |
|
else |
|
ret = palmas_extreg_init(pmic->palmas, |
|
id, reg_init); |
|
if (ret) |
|
return ret; |
|
} |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int palmas_smps_registration(struct palmas_pmic *pmic, |
|
struct palmas_pmic_driver_data *ddata, |
|
struct palmas_pmic_platform_data *pdata, |
|
const char *pdev_name, |
|
struct regulator_config config) |
|
{ |
|
int id, ret; |
|
unsigned int addr, reg; |
|
struct regulator_dev *rdev; |
|
struct palmas_reg_init *reg_init; |
|
struct palmas_regs_info *rinfo; |
|
struct regulator_desc *desc; |
|
|
|
for (id = ddata->smps_start; id <= ddata->smps_end; id++) { |
|
bool ramp_delay_support = false; |
|
|
|
/* |
|
* Miss out regulators which are not available due |
|
* to slaving configurations. |
|
*/ |
|
switch (id) { |
|
case PALMAS_REG_SMPS12: |
|
case PALMAS_REG_SMPS3: |
|
if (pmic->smps123) |
|
continue; |
|
if (id == PALMAS_REG_SMPS12) |
|
ramp_delay_support = true; |
|
break; |
|
case PALMAS_REG_SMPS123: |
|
if (!pmic->smps123) |
|
continue; |
|
ramp_delay_support = true; |
|
break; |
|
case PALMAS_REG_SMPS45: |
|
case PALMAS_REG_SMPS7: |
|
if (pmic->smps457) |
|
continue; |
|
if (id == PALMAS_REG_SMPS45) |
|
ramp_delay_support = true; |
|
break; |
|
case PALMAS_REG_SMPS457: |
|
if (!pmic->smps457) |
|
continue; |
|
ramp_delay_support = true; |
|
break; |
|
case PALMAS_REG_SMPS10_OUT1: |
|
case PALMAS_REG_SMPS10_OUT2: |
|
if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST)) |
|
continue; |
|
} |
|
rinfo = &ddata->palmas_regs_info[id]; |
|
desc = &pmic->desc[id]; |
|
|
|
if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8)) |
|
ramp_delay_support = true; |
|
|
|
if (ramp_delay_support) { |
|
addr = rinfo->tstep_addr; |
|
ret = palmas_smps_read(pmic->palmas, addr, ®); |
|
if (ret < 0) { |
|
dev_err(pmic->dev, |
|
"reading TSTEP reg failed: %d\n", ret); |
|
return ret; |
|
} |
|
desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3]; |
|
pmic->ramp_delay[id] = desc->ramp_delay; |
|
} |
|
|
|
/* Initialise sleep/init values from platform data */ |
|
if (pdata && pdata->reg_init[id]) { |
|
reg_init = pdata->reg_init[id]; |
|
ret = palmas_smps_init(pmic->palmas, id, reg_init); |
|
if (ret) |
|
return ret; |
|
} else { |
|
reg_init = NULL; |
|
} |
|
|
|
/* Register the regulators */ |
|
desc->name = rinfo->name; |
|
desc->id = id; |
|
|
|
switch (id) { |
|
case PALMAS_REG_SMPS10_OUT1: |
|
case PALMAS_REG_SMPS10_OUT2: |
|
desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES; |
|
desc->ops = &palmas_ops_smps10; |
|
desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, |
|
PALMAS_SMPS10_CTRL); |
|
desc->vsel_mask = SMPS10_VSEL; |
|
desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, |
|
PALMAS_SMPS10_CTRL); |
|
if (id == PALMAS_REG_SMPS10_OUT1) |
|
desc->enable_mask = SMPS10_SWITCH_EN; |
|
else |
|
desc->enable_mask = SMPS10_BOOST_EN; |
|
desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, |
|
PALMAS_SMPS10_CTRL); |
|
desc->bypass_val_on = SMPS10_BYPASS_EN; |
|
desc->bypass_mask = SMPS10_BYPASS_EN; |
|
desc->min_uV = 3750000; |
|
desc->uV_step = 1250000; |
|
break; |
|
default: |
|
/* |
|
* Read and store the RANGE bit for later use |
|
* This must be done before regulator is probed, |
|
* otherwise we error in probe with unsupportable |
|
* ranges. Read the current smps mode for later use. |
|
*/ |
|
addr = rinfo->vsel_addr; |
|
desc->n_linear_ranges = 3; |
|
|
|
ret = palmas_smps_read(pmic->palmas, addr, ®); |
|
if (ret) |
|
return ret; |
|
if (reg & PALMAS_SMPS12_VOLTAGE_RANGE) |
|
pmic->range[id] = 1; |
|
if (pmic->range[id]) |
|
desc->linear_ranges = smps_high_ranges; |
|
else |
|
desc->linear_ranges = smps_low_ranges; |
|
|
|
if (reg_init && reg_init->roof_floor) |
|
desc->ops = &palmas_ops_ext_control_smps; |
|
else |
|
desc->ops = &palmas_ops_smps; |
|
desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES; |
|
desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, |
|
rinfo->vsel_addr); |
|
desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK; |
|
|
|
/* Read the smps mode for later use. */ |
|
addr = rinfo->ctrl_addr; |
|
ret = palmas_smps_read(pmic->palmas, addr, ®); |
|
if (ret) |
|
return ret; |
|
pmic->current_reg_mode[id] = reg & |
|
PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; |
|
|
|
desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, |
|
rinfo->ctrl_addr); |
|
desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; |
|
/* set_mode overrides this value */ |
|
desc->enable_val = SMPS_CTRL_MODE_ON; |
|
} |
|
|
|
desc->type = REGULATOR_VOLTAGE; |
|
desc->owner = THIS_MODULE; |
|
|
|
if (pdata) |
|
config.init_data = pdata->reg_data[id]; |
|
else |
|
config.init_data = NULL; |
|
|
|
desc->supply_name = rinfo->sname; |
|
config.of_node = ddata->palmas_matches[id].of_node; |
|
|
|
rdev = devm_regulator_register(pmic->dev, desc, &config); |
|
if (IS_ERR(rdev)) { |
|
dev_err(pmic->dev, |
|
"failed to register %s regulator\n", |
|
pdev_name); |
|
return PTR_ERR(rdev); |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int tps65917_smps_registration(struct palmas_pmic *pmic, |
|
struct palmas_pmic_driver_data *ddata, |
|
struct palmas_pmic_platform_data *pdata, |
|
const char *pdev_name, |
|
struct regulator_config config) |
|
{ |
|
int id, ret; |
|
unsigned int addr, reg; |
|
struct regulator_dev *rdev; |
|
struct palmas_reg_init *reg_init; |
|
struct palmas_regs_info *rinfo; |
|
struct regulator_desc *desc; |
|
|
|
for (id = ddata->smps_start; id <= ddata->smps_end; id++) { |
|
/* |
|
* Miss out regulators which are not available due |
|
* to slaving configurations. |
|
*/ |
|
desc = &pmic->desc[id]; |
|
desc->n_linear_ranges = 3; |
|
if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) && |
|
pmic->smps12) |
|
continue; |
|
|
|
/* Initialise sleep/init values from platform data */ |
|
if (pdata && pdata->reg_init[id]) { |
|
reg_init = pdata->reg_init[id]; |
|
ret = palmas_smps_init(pmic->palmas, id, reg_init); |
|
if (ret) |
|
return ret; |
|
} else { |
|
reg_init = NULL; |
|
} |
|
rinfo = &ddata->palmas_regs_info[id]; |
|
|
|
/* Register the regulators */ |
|
desc->name = rinfo->name; |
|
desc->id = id; |
|
|
|
/* |
|
* Read and store the RANGE bit for later use |
|
* This must be done before regulator is probed, |
|
* otherwise we error in probe with unsupportable |
|
* ranges. Read the current smps mode for later use. |
|
*/ |
|
addr = rinfo->vsel_addr; |
|
|
|
ret = palmas_smps_read(pmic->palmas, addr, ®); |
|
if (ret) |
|
return ret; |
|
if (reg & TPS65917_SMPS1_VOLTAGE_RANGE) |
|
pmic->range[id] = 1; |
|
|
|
if (pmic->range[id]) |
|
desc->linear_ranges = smps_high_ranges; |
|
else |
|
desc->linear_ranges = smps_low_ranges; |
|
|
|
if (reg_init && reg_init->roof_floor) |
|
desc->ops = &tps65917_ops_ext_control_smps; |
|
else |
|
desc->ops = &tps65917_ops_smps; |
|
desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES; |
|
desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, |
|
rinfo->vsel_addr); |
|
desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK; |
|
desc->ramp_delay = 2500; |
|
|
|
/* Read the smps mode for later use. */ |
|
addr = rinfo->ctrl_addr; |
|
ret = palmas_smps_read(pmic->palmas, addr, ®); |
|
if (ret) |
|
return ret; |
|
pmic->current_reg_mode[id] = reg & |
|
PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; |
|
desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, |
|
rinfo->ctrl_addr); |
|
desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; |
|
/* set_mode overrides this value */ |
|
desc->enable_val = SMPS_CTRL_MODE_ON; |
|
|
|
desc->type = REGULATOR_VOLTAGE; |
|
desc->owner = THIS_MODULE; |
|
|
|
if (pdata) |
|
config.init_data = pdata->reg_data[id]; |
|
else |
|
config.init_data = NULL; |
|
|
|
desc->supply_name = rinfo->sname; |
|
config.of_node = ddata->palmas_matches[id].of_node; |
|
|
|
rdev = devm_regulator_register(pmic->dev, desc, &config); |
|
if (IS_ERR(rdev)) { |
|
dev_err(pmic->dev, |
|
"failed to register %s regulator\n", |
|
pdev_name); |
|
return PTR_ERR(rdev); |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static struct of_regulator_match palmas_matches[] = { |
|
{ .name = "smps12", }, |
|
{ .name = "smps123", }, |
|
{ .name = "smps3", }, |
|
{ .name = "smps45", }, |
|
{ .name = "smps457", }, |
|
{ .name = "smps6", }, |
|
{ .name = "smps7", }, |
|
{ .name = "smps8", }, |
|
{ .name = "smps9", }, |
|
{ .name = "smps10_out2", }, |
|
{ .name = "smps10_out1", }, |
|
{ .name = "ldo1", }, |
|
{ .name = "ldo2", }, |
|
{ .name = "ldo3", }, |
|
{ .name = "ldo4", }, |
|
{ .name = "ldo5", }, |
|
{ .name = "ldo6", }, |
|
{ .name = "ldo7", }, |
|
{ .name = "ldo8", }, |
|
{ .name = "ldo9", }, |
|
{ .name = "ldoln", }, |
|
{ .name = "ldousb", }, |
|
{ .name = "regen1", }, |
|
{ .name = "regen2", }, |
|
{ .name = "regen3", }, |
|
{ .name = "sysen1", }, |
|
{ .name = "sysen2", }, |
|
}; |
|
|
|
static struct of_regulator_match tps65917_matches[] = { |
|
{ .name = "smps1", }, |
|
{ .name = "smps2", }, |
|
{ .name = "smps3", }, |
|
{ .name = "smps4", }, |
|
{ .name = "smps5", }, |
|
{ .name = "smps12",}, |
|
{ .name = "ldo1", }, |
|
{ .name = "ldo2", }, |
|
{ .name = "ldo3", }, |
|
{ .name = "ldo4", }, |
|
{ .name = "ldo5", }, |
|
{ .name = "regen1", }, |
|
{ .name = "regen2", }, |
|
{ .name = "regen3", }, |
|
{ .name = "sysen1", }, |
|
{ .name = "sysen2", }, |
|
}; |
|
|
|
static struct palmas_pmic_driver_data palmas_ddata = { |
|
.smps_start = PALMAS_REG_SMPS12, |
|
.smps_end = PALMAS_REG_SMPS10_OUT1, |
|
.ldo_begin = PALMAS_REG_LDO1, |
|
.ldo_end = PALMAS_REG_LDOUSB, |
|
.max_reg = PALMAS_NUM_REGS, |
|
.has_regen3 = true, |
|
.palmas_regs_info = palmas_generic_regs_info, |
|
.palmas_matches = palmas_matches, |
|
.sleep_req_info = palma_sleep_req_info, |
|
.smps_register = palmas_smps_registration, |
|
.ldo_register = palmas_ldo_registration, |
|
}; |
|
|
|
static struct palmas_pmic_driver_data tps65917_ddata = { |
|
.smps_start = TPS65917_REG_SMPS1, |
|
.smps_end = TPS65917_REG_SMPS12, |
|
.ldo_begin = TPS65917_REG_LDO1, |
|
.ldo_end = TPS65917_REG_LDO5, |
|
.max_reg = TPS65917_NUM_REGS, |
|
.has_regen3 = true, |
|
.palmas_regs_info = tps65917_regs_info, |
|
.palmas_matches = tps65917_matches, |
|
.sleep_req_info = tps65917_sleep_req_info, |
|
.smps_register = tps65917_smps_registration, |
|
.ldo_register = tps65917_ldo_registration, |
|
}; |
|
|
|
static int palmas_dt_to_pdata(struct device *dev, |
|
struct device_node *node, |
|
struct palmas_pmic_platform_data *pdata, |
|
struct palmas_pmic_driver_data *ddata) |
|
{ |
|
struct device_node *regulators; |
|
u32 prop; |
|
int idx, ret; |
|
|
|
regulators = of_get_child_by_name(node, "regulators"); |
|
if (!regulators) { |
|
dev_info(dev, "regulator node not found\n"); |
|
return 0; |
|
} |
|
|
|
ret = of_regulator_match(dev, regulators, ddata->palmas_matches, |
|
ddata->max_reg); |
|
of_node_put(regulators); |
|
if (ret < 0) { |
|
dev_err(dev, "Error parsing regulator init data: %d\n", ret); |
|
return 0; |
|
} |
|
|
|
for (idx = 0; idx < ddata->max_reg; idx++) { |
|
struct of_regulator_match *match; |
|
struct palmas_reg_init *rinit; |
|
struct device_node *np; |
|
|
|
match = &ddata->palmas_matches[idx]; |
|
np = match->of_node; |
|
|
|
if (!match->init_data || !np) |
|
continue; |
|
|
|
rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL); |
|
if (!rinit) |
|
return -ENOMEM; |
|
|
|
pdata->reg_data[idx] = match->init_data; |
|
pdata->reg_init[idx] = rinit; |
|
|
|
rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset"); |
|
ret = of_property_read_u32(np, "ti,roof-floor", &prop); |
|
/* EINVAL: Property not found */ |
|
if (ret != -EINVAL) { |
|
int econtrol; |
|
|
|
/* use default value, when no value is specified */ |
|
econtrol = PALMAS_EXT_CONTROL_NSLEEP; |
|
if (!ret) { |
|
switch (prop) { |
|
case 1: |
|
econtrol = PALMAS_EXT_CONTROL_ENABLE1; |
|
break; |
|
case 2: |
|
econtrol = PALMAS_EXT_CONTROL_ENABLE2; |
|
break; |
|
case 3: |
|
econtrol = PALMAS_EXT_CONTROL_NSLEEP; |
|
break; |
|
default: |
|
WARN_ON(1); |
|
dev_warn(dev, |
|
"%s: Invalid roof-floor option: %u\n", |
|
match->name, prop); |
|
break; |
|
} |
|
} |
|
rinit->roof_floor = econtrol; |
|
} |
|
|
|
ret = of_property_read_u32(np, "ti,mode-sleep", &prop); |
|
if (!ret) |
|
rinit->mode_sleep = prop; |
|
|
|
ret = of_property_read_bool(np, "ti,smps-range"); |
|
if (ret) |
|
rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE; |
|
|
|
if (idx == PALMAS_REG_LDO8) |
|
pdata->enable_ldo8_tracking = of_property_read_bool( |
|
np, "ti,enable-ldo8-tracking"); |
|
} |
|
|
|
pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator"); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct of_device_id of_palmas_match_tbl[] = { |
|
{ |
|
.compatible = "ti,palmas-pmic", |
|
.data = &palmas_ddata, |
|
}, |
|
{ |
|
.compatible = "ti,twl6035-pmic", |
|
.data = &palmas_ddata, |
|
}, |
|
{ |
|
.compatible = "ti,twl6036-pmic", |
|
.data = &palmas_ddata, |
|
}, |
|
{ |
|
.compatible = "ti,twl6037-pmic", |
|
.data = &palmas_ddata, |
|
}, |
|
{ |
|
.compatible = "ti,tps65913-pmic", |
|
.data = &palmas_ddata, |
|
}, |
|
{ |
|
.compatible = "ti,tps65914-pmic", |
|
.data = &palmas_ddata, |
|
}, |
|
{ |
|
.compatible = "ti,tps80036-pmic", |
|
.data = &palmas_ddata, |
|
}, |
|
{ |
|
.compatible = "ti,tps659038-pmic", |
|
.data = &palmas_ddata, |
|
}, |
|
{ |
|
.compatible = "ti,tps65917-pmic", |
|
.data = &tps65917_ddata, |
|
}, |
|
{ /* end */ } |
|
}; |
|
|
|
static int palmas_regulators_probe(struct platform_device *pdev) |
|
{ |
|
struct palmas *palmas = dev_get_drvdata(pdev->dev.parent); |
|
struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev); |
|
struct device_node *node = pdev->dev.of_node; |
|
struct palmas_pmic_driver_data *driver_data; |
|
struct regulator_config config = { }; |
|
struct palmas_pmic *pmic; |
|
const char *pdev_name; |
|
const struct of_device_id *match; |
|
int ret = 0; |
|
unsigned int reg; |
|
|
|
match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev); |
|
|
|
if (!match) |
|
return -ENODATA; |
|
|
|
driver_data = (struct palmas_pmic_driver_data *)match->data; |
|
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); |
|
if (!pdata) |
|
return -ENOMEM; |
|
|
|
pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); |
|
if (!pmic) |
|
return -ENOMEM; |
|
|
|
if (of_device_is_compatible(node, "ti,tps659038-pmic")) { |
|
palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr = |
|
TPS659038_REGEN2_CTRL; |
|
palmas_ddata.has_regen3 = false; |
|
} |
|
|
|
pmic->dev = &pdev->dev; |
|
pmic->palmas = palmas; |
|
palmas->pmic = pmic; |
|
platform_set_drvdata(pdev, pmic); |
|
pmic->palmas->pmic_ddata = driver_data; |
|
|
|
ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data); |
|
if (ret) |
|
return ret; |
|
|
|
ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, ®); |
|
if (ret) |
|
return ret; |
|
|
|
if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) { |
|
pmic->smps123 = 1; |
|
pmic->smps12 = 1; |
|
} |
|
|
|
if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN) |
|
pmic->smps457 = 1; |
|
|
|
config.regmap = palmas->regmap[REGULATOR_SLAVE]; |
|
config.dev = &pdev->dev; |
|
config.driver_data = pmic; |
|
pdev_name = pdev->name; |
|
|
|
ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name, |
|
config); |
|
if (ret) |
|
return ret; |
|
|
|
ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name, |
|
config); |
|
|
|
return ret; |
|
} |
|
|
|
static struct platform_driver palmas_driver = { |
|
.driver = { |
|
.name = "palmas-pmic", |
|
.of_match_table = of_palmas_match_tbl, |
|
}, |
|
.probe = palmas_regulators_probe, |
|
}; |
|
|
|
static int __init palmas_init(void) |
|
{ |
|
return platform_driver_register(&palmas_driver); |
|
} |
|
subsys_initcall(palmas_init); |
|
|
|
static void __exit palmas_exit(void) |
|
{ |
|
platform_driver_unregister(&palmas_driver); |
|
} |
|
module_exit(palmas_exit); |
|
|
|
MODULE_AUTHOR("Graeme Gregory <[email protected]>"); |
|
MODULE_DESCRIPTION("Palmas voltage regulator driver"); |
|
MODULE_LICENSE("GPL"); |
|
MODULE_ALIAS("platform:palmas-pmic"); |
|
MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
|
|
|