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e999c7289c
Palmas driver is used to cater to even TPS659038 but TPS659038 does not have REGEN3 resource. Adding another field in the driver data to check on that. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
1644 lines
43 KiB
C
1644 lines
43 KiB
C
/*
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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 <gg@slimlogic.co.uk>
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* Author: Ian Lartey <ian@slimlogic.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/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 regulator_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 regulator_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 = "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(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 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);
|
|
|
|
return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
|
|
}
|
|
|
|
static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
|
|
unsigned int value)
|
|
{
|
|
unsigned int addr;
|
|
|
|
addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
|
|
|
|
return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
|
|
}
|
|
|
|
static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
|
|
{
|
|
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;
|
|
bool rail_enable = true;
|
|
|
|
palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, ®);
|
|
|
|
reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
|
|
|
|
if (reg == SMPS_CTRL_MODE_OFF)
|
|
rail_enable = false;
|
|
|
|
switch (mode) {
|
|
case REGULATOR_MODE_NORMAL:
|
|
reg |= SMPS_CTRL_MODE_ON;
|
|
break;
|
|
case REGULATOR_MODE_IDLE:
|
|
reg |= SMPS_CTRL_MODE_ECO;
|
|
break;
|
|
case REGULATOR_MODE_FAST:
|
|
reg |= SMPS_CTRL_MODE_PWM;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
|
|
if (rail_enable)
|
|
palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg);
|
|
|
|
/* Switch the enable value to ensure this is used for enable */
|
|
pmic->desc[id].enable_val = pmic->current_reg_mode[id];
|
|
|
|
return 0;
|
|
}
|
|
|
|
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 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 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 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 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 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 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 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 struct regulator_ops palmas_ops_extreg = {
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
};
|
|
|
|
static struct regulator_ops palmas_ops_ext_control_extreg = {
|
|
};
|
|
|
|
static 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 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;
|
|
} 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);
|
|
}
|
|
|
|
/* Save regulator for cleanup */
|
|
pmic->rdev[id] = 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;
|
|
} 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);
|
|
}
|
|
|
|
/* Save regulator for cleanup */
|
|
pmic->rdev[id] = 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_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);
|
|
}
|
|
|
|
/* Save regulator for cleanup */
|
|
pmic->rdev[id] = 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) && 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);
|
|
}
|
|
|
|
/* Save regulator for cleanup */
|
|
pmic->rdev[id] = 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 = "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_SMPS5,
|
|
.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 void 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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
for (idx = 0; idx < ddata->max_reg; idx++) {
|
|
if (!ddata->palmas_matches[idx].init_data ||
|
|
!ddata->palmas_matches[idx].of_node)
|
|
continue;
|
|
|
|
pdata->reg_data[idx] = ddata->palmas_matches[idx].init_data;
|
|
|
|
pdata->reg_init[idx] = devm_kzalloc(dev,
|
|
sizeof(struct palmas_reg_init), GFP_KERNEL);
|
|
|
|
pdata->reg_init[idx]->warm_reset =
|
|
of_property_read_bool(ddata->palmas_matches[idx].of_node,
|
|
"ti,warm-reset");
|
|
|
|
ret = of_property_read_u32(ddata->palmas_matches[idx].of_node,
|
|
"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",
|
|
palmas_matches[idx].name, prop);
|
|
break;
|
|
}
|
|
}
|
|
pdata->reg_init[idx]->roof_floor = econtrol;
|
|
}
|
|
|
|
ret = of_property_read_u32(ddata->palmas_matches[idx].of_node,
|
|
"ti,mode-sleep", &prop);
|
|
if (!ret)
|
|
pdata->reg_init[idx]->mode_sleep = prop;
|
|
|
|
ret = of_property_read_bool(ddata->palmas_matches[idx].of_node,
|
|
"ti,smps-range");
|
|
if (ret)
|
|
pdata->reg_init[idx]->vsel =
|
|
PALMAS_SMPS12_VOLTAGE_RANGE;
|
|
|
|
if (idx == PALMAS_REG_LDO8)
|
|
pdata->enable_ldo8_tracking = of_property_read_bool(
|
|
ddata->palmas_matches[idx].of_node,
|
|
"ti,enable-ldo8-tracking");
|
|
}
|
|
|
|
pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
|
|
}
|
|
|
|
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;
|
|
|
|
palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data);
|
|
|
|
ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, ®);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
|
|
pmic->smps123 = 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 <gg@slimlogic.co.uk>");
|
|
MODULE_DESCRIPTION("Palmas voltage regulator driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:palmas-pmic");
|
|
MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
|