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Release 4.14 drivers/regulator/88pm8607.c

/*
 * Regulators driver for Marvell 88PM8607
 *
 * Copyright (C) 2009 Marvell International Ltd.
 *      Haojian Zhuang <haojian.zhuang@marvell.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/of.h>
#include <linux/regulator/of_regulator.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/88pm860x.h>
#include <linux/module.h>


struct pm8607_regulator_info {
	
struct regulator_desc	desc;
	
struct pm860x_chip	*chip;
	
struct regulator_dev	*regulator;
	
struct i2c_client	*i2c;
	
struct i2c_client	*i2c_8606;

	
unsigned int	*vol_table;
	
unsigned int	*vol_suspend;

	
int	slope_double;
};


static const unsigned int BUCK1_table[] = {
	 725000,  750000,  775000,  800000,  825000,  850000,  875000,  900000,
	 925000,  950000,  975000, 1000000, 1025000, 1050000, 1075000, 1100000,
	1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
	      0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
};


static const unsigned int BUCK1_suspend_table[] = {
	      0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
};


static const unsigned int BUCK2_table[] = {
	      0,   50000,  100000,  150000,  200000,  250000,  300000,  350000,
	 400000,  450000,  500000,  550000,  600000,  650000,  700000,  750000,
	 800000,  850000,  900000,  950000, 1000000, 1050000, 1100000, 1150000,
	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
};


static const unsigned int BUCK2_suspend_table[] = {
	      0,   50000,  100000,  150000,  200000,  250000,  300000,  350000,
	 400000,  450000,  500000,  550000,  600000,  650000,  700000,  750000,
	 800000,  850000,  900000,  950000, 1000000, 1050000, 1100000, 1150000,
	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
};


static const unsigned int BUCK3_table[] = {
	      0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
};


static const unsigned int BUCK3_suspend_table[] = {
	      0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
};


static const unsigned int LDO1_table[] = {
	1800000, 1200000, 2800000, 0,
};


static const unsigned int LDO1_suspend_table[] = {
	1800000, 1200000, 0, 0,
};


static const unsigned int LDO2_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
};


static const unsigned int LDO2_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};


static const unsigned int LDO3_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
};


static const unsigned int LDO3_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};


static const unsigned int LDO4_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
};


static const unsigned int LDO4_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
};


static const unsigned int LDO5_table[] = {
	2900000, 3000000, 3100000, 3300000,
};


static const unsigned int LDO5_suspend_table[] = {
	2900000, 0, 0, 0,
};


static const unsigned int LDO6_table[] = {
	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
};


static const unsigned int LDO6_suspend_table[] = {
	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
};


static const unsigned int LDO7_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};


static const unsigned int LDO7_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};


static const unsigned int LDO8_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};


static const unsigned int LDO8_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};


static const unsigned int LDO9_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
};


static const unsigned int LDO9_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};


static const unsigned int LDO10_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
};


static const unsigned int LDO10_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
};


static const unsigned int LDO12_table[] = {
	1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
};


static const unsigned int LDO12_suspend_table[] = {
	1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
};


static const unsigned int LDO13_table[] = {
	1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
};


static const unsigned int LDO13_suspend_table[] = {
	0,
};


static const unsigned int LDO14_table[] = {
	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
};


static const unsigned int LDO14_suspend_table[] = {
	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
};


static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); int ret = -EINVAL; if (info->vol_table && (index < rdev->desc->n_voltages)) { ret = info->vol_table[index]; if (info->slope_double) ret <<= 1; } return ret; }

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Haojian Zhuang6694.29%266.67%
Axel Lin45.71%133.33%
Total70100.00%3100.00%

static const struct regulator_ops pm8607_regulator_ops = { .list_voltage = pm8607_list_voltage, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, }; static const struct regulator_ops pm8606_preg_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, }; #define PM8606_PREG(ereg, ebit) \ { \ .desc = { \ .name = "PREG", \ .ops = &pm8606_preg_ops, \ .type = REGULATOR_CURRENT, \ .id = PM8606_ID_PREG, \ .owner = THIS_MODULE, \ .enable_reg = PM8606_##ereg, \ .enable_mask = (ebit), \ .enable_is_inverted = true, \ }, \ } #define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \ { \ .desc = { \ .name = #vreg, \ .ops = &pm8607_regulator_ops, \ .type = REGULATOR_VOLTAGE, \ .id = PM8607_ID_##vreg, \ .owner = THIS_MODULE, \ .n_voltages = ARRAY_SIZE(vreg##_table), \ .vsel_reg = PM8607_##vreg, \ .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \ .apply_reg = PM8607_##ureg, \ .apply_bit = (ubit), \ .enable_reg = PM8607_##ereg, \ .enable_mask = 1 << (ebit), \ }, \ .slope_double = (0), \ .vol_table = (unsigned int *)&vreg##_table, \ .vol_suspend = (unsigned int *)&vreg##_suspend_table, \ } #define PM8607_LDO(_id, vreg, shift, ereg, ebit) \ { \ .desc = { \ .name = "LDO" #_id, \ .ops = &pm8607_regulator_ops, \ .type = REGULATOR_VOLTAGE, \ .id = PM8607_ID_LDO##_id, \ .owner = THIS_MODULE, \ .n_voltages = ARRAY_SIZE(LDO##_id##_table), \ .vsel_reg = PM8607_##vreg, \ .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \ .enable_reg = PM8607_##ereg, \ .enable_mask = 1 << (ebit), \ }, \ .slope_double = (0), \ .vol_table = (unsigned int *)&LDO##_id##_table, \ .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \ } static struct pm8607_regulator_info pm8607_regulator_info[] = { PM8607_DVC(BUCK1, GO, BIT(0), SUPPLIES_EN11, 0), PM8607_DVC(BUCK2, GO, BIT(1), SUPPLIES_EN11, 1), PM8607_DVC(BUCK3, GO, BIT(2), SUPPLIES_EN11, 2), PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3), PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4), PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5), PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6), PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7), PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0), PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1), PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2), PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3), PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4), PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5), PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0), PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6), }; static struct pm8607_regulator_info pm8606_regulator_info[] = { PM8606_PREG(PREREGULATORB, 5), }; #ifdef CONFIG_OF
static int pm8607_regulator_dt_init(struct platform_device *pdev, struct pm8607_regulator_info *info, struct regulator_config *config) { struct device_node *nproot, *np; nproot = pdev->dev.parent->of_node; if (!nproot) return -ENODEV; nproot = of_get_child_by_name(nproot, "regulators"); if (!nproot) { dev_err(&pdev->dev, "failed to find regulators node\n"); return -ENODEV; } for_each_child_of_node(nproot, np) { if (!of_node_cmp(np->name, info->desc.name)) { config->init_data = of_get_regulator_init_data(&pdev->dev, np, &info->desc); config->of_node = np; break; } } of_node_put(nproot); return 0; }

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PersonTokensPropCommitsCommitProp
Haojian Zhuang12792.03%125.00%
Javier Martinez Canillas53.62%125.00%
Axel Lin53.62%125.00%
Sachin Kamat10.72%125.00%
Total138100.00%4100.00%

#else #define pm8607_regulator_dt_init(x, y, z) (-1) #endif
static int pm8607_regulator_probe(struct platform_device *pdev) { struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); struct pm8607_regulator_info *info = NULL; struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev); struct regulator_config config = { }; struct resource *res; int i; res = platform_get_resource(pdev, IORESOURCE_REG, 0); if (res) { /* There're resources in 88PM8607 regulator driver */ for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) { info = &pm8607_regulator_info[i]; if (info->desc.vsel_reg == res->start) break; } if (i == ARRAY_SIZE(pm8607_regulator_info)) { dev_err(&pdev->dev, "Failed to find regulator %llu\n", (unsigned long long)res->start); return -EINVAL; } } else { /* There's no resource in 88PM8606 PREG regulator driver */ info = &pm8606_regulator_info[0]; /* i is used to check regulator ID */ i = -1; } info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion : chip->client; info->chip = chip; /* check DVC ramp slope double */ if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double) info->slope_double = 1; config.dev = &pdev->dev; config.driver_data = info; if (pm8607_regulator_dt_init(pdev, info, &config)) if (pdata) config.init_data = pdata; if (chip->id == CHIP_PM8607) config.regmap = chip->regmap; else config.regmap = chip->regmap_companion; info->regulator = devm_regulator_register(&pdev->dev, &info->desc, &config); if (IS_ERR(info->regulator)) { dev_err(&pdev->dev, "failed to register regulator %s\n", info->desc.name); return PTR_ERR(info->regulator); } platform_set_drvdata(pdev, info); return 0; }

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PersonTokensPropCommitsCommitProp
Haojian Zhuang27174.86%746.67%
Axel Lin369.94%320.00%
Mark Brown256.91%213.33%
Jett.Zhou205.52%16.67%
Randy Dunlap61.66%16.67%
Jingoo Han41.10%16.67%
Total362100.00%15100.00%

static const struct platform_device_id pm8607_regulator_driver_ids[] = { { .name = "88pm860x-regulator", .driver_data = 0, }, { .name = "88pm860x-preg", .driver_data = 0, }, { }, }; MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids); static struct platform_driver pm8607_regulator_driver = { .driver = { .name = "88pm860x-regulator", }, .probe = pm8607_regulator_probe, .id_table = pm8607_regulator_driver_ids, };
static int __init pm8607_regulator_init(void) { return platform_driver_register(&pm8607_regulator_driver); }

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Haojian Zhuang16100.00%2100.00%
Total16100.00%2100.00%

subsys_initcall(pm8607_regulator_init);
static void __exit pm8607_regulator_exit(void) { platform_driver_unregister(&pm8607_regulator_driver); }

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PersonTokensPropCommitsCommitProp
Haojian Zhuang15100.00%1100.00%
Total15100.00%1100.00%

module_exit(pm8607_regulator_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); MODULE_ALIAS("platform:88pm8607-regulator");

Overall Contributors

PersonTokensPropCommitsCommitProp
Haojian Zhuang239991.32%1029.41%
Jett.Zhou1054.00%25.88%
Axel Lin722.74%1132.35%
Mark Brown281.07%38.82%
Randy Dunlap60.23%12.94%
Jingoo Han50.19%25.88%
Javier Martinez Canillas50.19%12.94%
Paul Gortmaker30.11%12.94%
Bhumika Goyal20.08%12.94%
Sachin Kamat10.04%12.94%
Krzysztof Kozlowski10.04%12.94%
Total2627100.00%34100.00%
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