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Release 4.10 drivers/regulator/palmas-regulator.c

/*
 * Driver for Regulator part of Palmas PMIC Chips
 *
 * Copyright 2011-2013 Texas Instruments Inc.
 *
 * Author: Graeme Gregory <gg@slimlogic.co.uk>
 * Author: Ian Lartey <ian@slimlogic.co.uk>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under  the terms of the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the License, or (at your
 *  option) any later version.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/slab.h>
#include <linux/regmap.h>
#include <linux/mfd/palmas.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/regulator/of_regulator.h>


static const struct regulator_linear_range smps_low_ranges[] = {
	REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
	REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0),
	REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000),
	REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0),
};


static const struct regulator_linear_range smps_high_ranges[] = {
	REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
	REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0),
	REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000),
	REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0),
};


static struct palmas_regs_info palmas_generic_regs_info[] = {
	{
		.name		= "SMPS12",
		.sname		= "smps1-in",
		.vsel_addr	= PALMAS_SMPS12_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS12_CTRL,
		.tstep_addr	= PALMAS_SMPS12_TSTEP,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
        },
	{
		.name		= "SMPS123",
		.sname		= "smps1-in",
		.vsel_addr	= PALMAS_SMPS12_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS12_CTRL,
		.tstep_addr	= PALMAS_SMPS12_TSTEP,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS12,
        },
	{
		.name		= "SMPS3",
		.sname		= "smps3-in",
		.vsel_addr	= PALMAS_SMPS3_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS3_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS3,
        },
	{
		.name		= "SMPS45",
		.sname		= "smps4-in",
		.vsel_addr	= PALMAS_SMPS45_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS45_CTRL,
		.tstep_addr	= PALMAS_SMPS45_TSTEP,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
        },
	{
		.name		= "SMPS457",
		.sname		= "smps4-in",
		.vsel_addr	= PALMAS_SMPS45_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS45_CTRL,
		.tstep_addr	= PALMAS_SMPS45_TSTEP,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS45,
        },
	{
		.name		= "SMPS6",
		.sname		= "smps6-in",
		.vsel_addr	= PALMAS_SMPS6_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS6_CTRL,
		.tstep_addr	= PALMAS_SMPS6_TSTEP,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS6,
        },
	{
		.name		= "SMPS7",
		.sname		= "smps7-in",
		.vsel_addr	= PALMAS_SMPS7_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS7_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS7,
        },
	{
		.name		= "SMPS8",
		.sname		= "smps8-in",
		.vsel_addr	= PALMAS_SMPS8_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS8_CTRL,
		.tstep_addr	= PALMAS_SMPS8_TSTEP,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS8,
        },
	{
		.name		= "SMPS9",
		.sname		= "smps9-in",
		.vsel_addr	= PALMAS_SMPS9_VOLTAGE,
		.ctrl_addr	= PALMAS_SMPS9_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS9,
        },
	{
		.name		= "SMPS10_OUT2",
		.sname		= "smps10-in",
		.ctrl_addr	= PALMAS_SMPS10_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
        },
	{
		.name		= "SMPS10_OUT1",
		.sname		= "smps10-out2",
		.ctrl_addr	= PALMAS_SMPS10_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SMPS10,
        },
	{
		.name		= "LDO1",
		.sname		= "ldo1-in",
		.vsel_addr	= PALMAS_LDO1_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO1_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO1,
        },
	{
		.name		= "LDO2",
		.sname		= "ldo2-in",
		.vsel_addr	= PALMAS_LDO2_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO2_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO2,
        },
	{
		.name		= "LDO3",
		.sname		= "ldo3-in",
		.vsel_addr	= PALMAS_LDO3_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO3_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO3,
        },
	{
		.name		= "LDO4",
		.sname		= "ldo4-in",
		.vsel_addr	= PALMAS_LDO4_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO4_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO4,
        },
	{
		.name		= "LDO5",
		.sname		= "ldo5-in",
		.vsel_addr	= PALMAS_LDO5_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO5_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO5,
        },
	{
		.name		= "LDO6",
		.sname		= "ldo6-in",
		.vsel_addr	= PALMAS_LDO6_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO6_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO6,
        },
	{
		.name		= "LDO7",
		.sname		= "ldo7-in",
		.vsel_addr	= PALMAS_LDO7_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO7_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO7,
        },
	{
		.name		= "LDO8",
		.sname		= "ldo8-in",
		.vsel_addr	= PALMAS_LDO8_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO8_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO8,
        },
	{
		.name		= "LDO9",
		.sname		= "ldo9-in",
		.vsel_addr	= PALMAS_LDO9_VOLTAGE,
		.ctrl_addr	= PALMAS_LDO9_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDO9,
        },
	{
		.name		= "LDOLN",
		.sname		= "ldoln-in",
		.vsel_addr	= PALMAS_LDOLN_VOLTAGE,
		.ctrl_addr	= PALMAS_LDOLN_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDOLN,
        },
	{
		.name		= "LDOUSB",
		.sname		= "ldousb-in",
		.vsel_addr	= PALMAS_LDOUSB_VOLTAGE,
		.ctrl_addr	= PALMAS_LDOUSB_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_LDOUSB,
        },
	{
		.name		= "REGEN1",
		.ctrl_addr	= PALMAS_REGEN1_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_REGEN1,
        },
	{
		.name		= "REGEN2",
		.ctrl_addr	= PALMAS_REGEN2_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_REGEN2,
        },
	{
		.name		= "REGEN3",
		.ctrl_addr	= PALMAS_REGEN3_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_REGEN3,
        },
	{
		.name		= "SYSEN1",
		.ctrl_addr	= PALMAS_SYSEN1_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SYSEN1,
        },
	{
		.name		= "SYSEN2",
		.ctrl_addr	= PALMAS_SYSEN2_CTRL,
		.sleep_id	= PALMAS_EXTERNAL_REQSTR_ID_SYSEN2,
        },
};


static struct palmas_regs_info tps65917_regs_info[] = {
	{
		.name		= "SMPS1",
		.sname		= "smps1-in",
		.vsel_addr	= TPS65917_SMPS1_VOLTAGE,
		.ctrl_addr	= TPS65917_SMPS1_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS1,
        },
	{
		.name		= "SMPS2",
		.sname		= "smps2-in",
		.vsel_addr	= TPS65917_SMPS2_VOLTAGE,
		.ctrl_addr	= TPS65917_SMPS2_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS2,
        },
	{
		.name		= "SMPS3",
		.sname		= "smps3-in",
		.vsel_addr	= TPS65917_SMPS3_VOLTAGE,
		.ctrl_addr	= TPS65917_SMPS3_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
        },
	{
		.name		= "SMPS4",
		.sname		= "smps4-in",
		.vsel_addr	= TPS65917_SMPS4_VOLTAGE,
		.ctrl_addr	= TPS65917_SMPS4_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
        },
	{
		.name		= "SMPS5",
		.sname		= "smps5-in",
		.vsel_addr	= TPS65917_SMPS5_VOLTAGE,
		.ctrl_addr	= TPS65917_SMPS5_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
        },
	{
		.name		= "LDO1",
		.sname		= "ldo1-in",
		.vsel_addr	= TPS65917_LDO1_VOLTAGE,
		.ctrl_addr	= TPS65917_LDO1_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_LDO1,
        },
	{
		.name		= "LDO2",
		.sname		= "ldo2-in",
		.vsel_addr	= TPS65917_LDO2_VOLTAGE,
		.ctrl_addr	= TPS65917_LDO2_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_LDO2,
        },
	{
		.name		= "LDO3",
		.sname		= "ldo3-in",
		.vsel_addr	= TPS65917_LDO3_VOLTAGE,
		.ctrl_addr	= TPS65917_LDO3_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_LDO3,
        },
	{
		.name		= "LDO4",
		.sname		= "ldo4-in",
		.vsel_addr	= TPS65917_LDO4_VOLTAGE,
		.ctrl_addr	= TPS65917_LDO4_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_LDO4,
        },
	{
		.name		= "LDO5",
		.sname		= "ldo5-in",
		.vsel_addr	= TPS65917_LDO5_VOLTAGE,
		.ctrl_addr	= TPS65917_LDO5_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_LDO5,
        },
	{
		.name		= "REGEN1",
		.ctrl_addr	= TPS65917_REGEN1_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_REGEN1,
        },
	{
		.name		= "REGEN2",
		.ctrl_addr	= TPS65917_REGEN2_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_REGEN2,
        },
	{
		.name		= "REGEN3",
		.ctrl_addr	= TPS65917_REGEN3_CTRL,
		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_REGEN3,
        },
};


#define EXTERNAL_REQUESTOR(_id, _offset, _pos)		\
	[PALMAS_EXTERNAL_REQSTR_ID_##_id] = {           \
                .id = PALMAS_EXTERNAL_REQSTR_ID_##_id,  \
                .reg_offset = _offset,                  \
                .bit_pos = _pos,                        \
        }


static struct palmas_sleep_requestor_info palma_sleep_req_info[] = {
	EXTERNAL_REQUESTOR(REGEN1, 0, 0),
	EXTERNAL_REQUESTOR(REGEN2, 0, 1),
	EXTERNAL_REQUESTOR(SYSEN1, 0, 2),
	EXTERNAL_REQUESTOR(SYSEN2, 0, 3),
	EXTERNAL_REQUESTOR(CLK32KG, 0, 4),
	EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5),
	EXTERNAL_REQUESTOR(REGEN3, 0, 6),
	EXTERNAL_REQUESTOR(SMPS12, 1, 0),
	EXTERNAL_REQUESTOR(SMPS3, 1, 1),
	EXTERNAL_REQUESTOR(SMPS45, 1, 2),
	EXTERNAL_REQUESTOR(SMPS6, 1, 3),
	EXTERNAL_REQUESTOR(SMPS7, 1, 4),
	EXTERNAL_REQUESTOR(SMPS8, 1, 5),
	EXTERNAL_REQUESTOR(SMPS9, 1, 6),
	EXTERNAL_REQUESTOR(SMPS10, 1, 7),
	EXTERNAL_REQUESTOR(LDO1, 2, 0),
	EXTERNAL_REQUESTOR(LDO2, 2, 1),
	EXTERNAL_REQUESTOR(LDO3, 2, 2),
	EXTERNAL_REQUESTOR(LDO4, 2, 3),
	EXTERNAL_REQUESTOR(LDO5, 2, 4),
	EXTERNAL_REQUESTOR(LDO6, 2, 5),
	EXTERNAL_REQUESTOR(LDO7, 2, 6),
	EXTERNAL_REQUESTOR(LDO8, 2, 7),
	EXTERNAL_REQUESTOR(LDO9, 3, 0),
	EXTERNAL_REQUESTOR(LDOLN, 3, 1),
	EXTERNAL_REQUESTOR(LDOUSB, 3, 2),
};


#define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos)		\
	[TPS65917_EXTERNAL_REQSTR_ID_##_id] = {         \
                .id = TPS65917_EXTERNAL_REQSTR_ID_##_id,        \
                .reg_offset = _offset,                  \
                .bit_pos = _pos,                        \
        }


static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = {
	EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0),
	EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1),
	EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6),
	EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0),
	EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1),
	EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
	EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
	EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
	EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
	EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
	EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
	EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3),
	EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4),
};


static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};


#define SMPS_CTRL_MODE_OFF		0x00

#define SMPS_CTRL_MODE_ON		0x01

#define SMPS_CTRL_MODE_ECO		0x02

#define SMPS_CTRL_MODE_PWM		0x03


#define PALMAS_SMPS_NUM_VOLTAGES	122

#define PALMAS_SMPS10_NUM_VOLTAGES	2

#define PALMAS_LDO_NUM_VOLTAGES		50


#define SMPS10_VSEL			(1<<3)

#define SMPS10_BOOST_EN			(1<<2)

#define SMPS10_BYPASS_EN		(1<<1)

#define SMPS10_SWITCH_EN		(1<<0)


#define REGULATOR_SLAVE			0


static int palmas_smps_read(struct palmas *palmas, unsigned int reg, unsigned int *dest) { unsigned int addr; addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg); return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest); }

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static int palmas_smps_write(struct palmas *palmas, unsigned int reg, unsigned int value) { unsigned int addr; addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg); return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value); }

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static int palmas_ldo_read(struct palmas *palmas, unsigned int reg, unsigned int *dest) { unsigned int addr; addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg); return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest); }

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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); }

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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); 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; }

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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; }

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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; }

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nishanth menonnishanth menon2212.79%150.00%
Total172100.00%2100.00%

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); reg &= PALMAS_LDO1_CTRL_STATUS; return !!(reg); }

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PersonTokensPropCommitsCommitProp
j keerthyj keerthy3542.68%350.00%
graeme gregorygraeme gregory2530.49%116.67%
nishanth menonnishanth menon2024.39%116.67%
axel linaxel lin22.44%116.67%
Total82100.00%6100.00%

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_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 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 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; }

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PersonTokensPropCommitsCommitProp
j keerthyj keerthy4959.04%240.00%
nishanth menonnishanth menon1821.69%120.00%
laxman dewanganlaxman dewangan1416.87%120.00%
graeme gregorygraeme gregory22.41%120.00%
Total83100.00%5100.00%

/* * 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, &reg); 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, &reg); 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; }

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PersonTokensPropCommitsCommitProp
j keerthyj keerthy21971.80%228.57%
laxman dewanganlaxman dewangan5718.69%114.29%
nishanth menonnishanth menon185.90%114.29%
axel linaxel lin92.95%114.29%
graeme gregorygraeme gregory10.33%114.29%
kishon vijay abraham ikishon vijay abraham i10.33%114.29%
Total305100.00%7100.00%


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, &reg); 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; }

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j keerthyj keerthy15783.51%250.00%
graeme gregorygraeme gregory2010.64%125.00%
nishanth menonnishanth menon115.85%125.00%
Total188100.00%4100.00%


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; }

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j keerthyj keerthy10863.53%133.33%
laxman dewanganlaxman dewangan5130.00%133.33%
nishanth menonnishanth menon116.47%133.33%
Total170100.00%3100.00%


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, &reg); 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, &reg); 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; }

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PersonTokensPropCommitsCommitProp
graeme gregorygraeme gregory6635.68%116.67%
j keerthyj keerthy6233.51%233.33%
laxman dewanganlaxman dewangan4423.78%233.33%
nishanth menonnishanth menon137.03%116.67%
Total185100.00%6100.00%


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); } /* 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; }

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j keerthyj keerthy36665.24%433.33%
laxman dewanganlaxman dewangan7613.55%433.33%
nishanth menonnishanth menon6010.70%325.00%
graeme gregorygraeme gregory5910.52%18.33%
Total561100.00%12100.00%


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); } /* 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; }

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PersonTokensPropCommitsCommitProp
j keerthyj keerthy40079.84%333.33%
nishanth menonnishanth menon5811.58%333.33%
graeme gregorygraeme gregory407.98%222.22%
axel linaxel lin30.60%111.11%
Total501100.00%9100.00%


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, &reg); 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, &reg); 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, &reg); 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; }

Contributors

PersonTokensPropCommitsCommitProp
j keerthyj keerthy49564.71%318.75%
graeme gregorygraeme gregory8711.37%212.50%
nishanth menonnishanth menon7710.07%318.75%
laxman dewanganlaxman dewangan557.19%212.50%
mark brownmark brown182.35%212.50%
axel linaxel lin172.22%212.50%
kishon vijay abraham ikishon vijay abraham i101.31%16.25%
sachin kamatsachin kamat60.78%16.25%
Total765100.00%16100.00%


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, &reg); 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, &reg); 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; }

Contributors

PersonTokensPropCommitsCommitProp
j keerthyj keerthy31165.20%323.08%
nishanth menonnishanth menon7114.88%323.08%
axel linaxel lin439.01%323.08%
graeme gregorygraeme gregory275.66%17.69%
laxman dewanganlaxman dewangan142.94%17.69%
kishon vijay abraham ikishon vijay abraham i81.68%17.69%
sachin kamatsachin kamat30.63%17.69%
Total477100.00%13100.00%

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 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++) { static 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; }

Contributors

PersonTokensPropCommitsCommitProp
j keerthyj keerthy22658.25%17.14%
nishanth menonnishanth menon7920.36%428.57%
graeme gregorygraeme gregory4511.60%214.29%
laxman dewanganlaxman dewangan246.19%428.57%
axel linaxel lin143.61%321.43%
Total388100.00%14100.00%

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, &reg); 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; }

Contributors

PersonTokensPropCommitsCommitProp
j keerthyj keerthy28775.93%325.00%
graeme gregorygraeme gregory4912.96%216.67%
laxman dewanganlaxman dewangan277.14%433.33%
nishanth menonnishanth menon92.38%18.33%
sachin kamatsachin kamat41.06%18.33%
axel linaxel lin20.53%18.33%
Total378100.00%12100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
graeme gregorygraeme gregory16100.00%1100.00%
Total16100.00%1100.00%

subsys_initcall(palmas_init);
static void __exit palmas_exit(void) { platform_driver_unregister(&palmas_driver); }

Contributors

PersonTokensPropCommitsCommitProp
graeme gregorygraeme gregory15100.00%1100.00%
Total15100.00%1100.00%

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);

Overall Contributors

PersonTokensPropCommitsCommitProp
j keerthyj keerthy515068.64%714.58%
graeme gregorygraeme gregory97913.05%36.25%
laxman dewanganlaxman dewangan6718.94%918.75%
nishanth menonnishanth menon5176.89%1225.00%
axel linaxel lin991.32%1122.92%
kishon vijay abraham ikishon vijay abraham i370.49%12.08%
mark brownmark brown360.48%36.25%
sachin kamatsachin kamat130.17%12.08%
fabian frederickfabian frederick10.01%12.08%
Total7503100.00%48100.00%
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