| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Chao Xie | 1099 | 86.67% | 1 | 7.14% |
| Vaibhav Hiremath | 97 | 7.65% | 2 | 14.29% |
| Axel Lin | 60 | 4.73% | 5 | 35.71% |
| Jingoo Han | 3 | 0.24% | 1 | 7.14% |
| Bhumika Goyal | 2 | 0.16% | 1 | 7.14% |
| Dan Carpenter | 2 | 0.16% | 1 | 7.14% |
| Matti Vaittinen | 2 | 0.16% | 1 | 7.14% |
| Thomas Gleixner | 2 | 0.16% | 1 | 7.14% |
| Mark Brown | 1 | 0.08% | 1 | 7.14% |
| Total | 1268 | 14 |
// SPDX-License-Identifier: GPL-2.0-only /* * Regulators driver for Marvell 88PM800 * * Copyright (C) 2012 Marvell International Ltd. * Joseph(Yossi) Hanin <yhanin@marvell.com> * Yi Zhang <yizhang@marvell.com> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/err.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/mfd/88pm80x.h> #include <linux/delay.h> #include <linux/io.h> #include <linux/of.h> #include <linux/regulator/of_regulator.h> /* LDO1 with DVC[0..3] */ #define PM800_LDO1_VOUT (0x08) /* VOUT1 */ #define PM800_LDO1_VOUT_2 (0x09) #define PM800_LDO1_VOUT_3 (0x0A) #define PM800_LDO2_VOUT (0x0B) #define PM800_LDO3_VOUT (0x0C) #define PM800_LDO4_VOUT (0x0D) #define PM800_LDO5_VOUT (0x0E) #define PM800_LDO6_VOUT (0x0F) #define PM800_LDO7_VOUT (0x10) #define PM800_LDO8_VOUT (0x11) #define PM800_LDO9_VOUT (0x12) #define PM800_LDO10_VOUT (0x13) #define PM800_LDO11_VOUT (0x14) #define PM800_LDO12_VOUT (0x15) #define PM800_LDO13_VOUT (0x16) #define PM800_LDO14_VOUT (0x17) #define PM800_LDO15_VOUT (0x18) #define PM800_LDO16_VOUT (0x19) #define PM800_LDO17_VOUT (0x1A) #define PM800_LDO18_VOUT (0x1B) #define PM800_LDO19_VOUT (0x1C) /* BUCK1 with DVC[0..3] */ #define PM800_BUCK1 (0x3C) #define PM800_BUCK1_1 (0x3D) #define PM800_BUCK1_2 (0x3E) #define PM800_BUCK1_3 (0x3F) #define PM800_BUCK2 (0x40) #define PM800_BUCK3 (0x41) #define PM800_BUCK4 (0x42) #define PM800_BUCK4_1 (0x43) #define PM800_BUCK4_2 (0x44) #define PM800_BUCK4_3 (0x45) #define PM800_BUCK5 (0x46) #define PM800_BUCK_ENA (0x50) #define PM800_LDO_ENA1_1 (0x51) #define PM800_LDO_ENA1_2 (0x52) #define PM800_LDO_ENA1_3 (0x53) #define PM800_LDO_ENA2_1 (0x56) #define PM800_LDO_ENA2_2 (0x57) #define PM800_LDO_ENA2_3 (0x58) #define PM800_BUCK1_MISC1 (0x78) #define PM800_BUCK3_MISC1 (0x7E) #define PM800_BUCK4_MISC1 (0x81) #define PM800_BUCK5_MISC1 (0x84) struct pm800_regulator_info { struct regulator_desc desc; int max_ua; }; /* * vreg - the buck regs string. * ereg - the string for the enable register. * ebit - the bit number in the enable register. * amax - the current * Buck has 2 kinds of voltage steps. It is easy to find voltage by ranges, * not the constant voltage table. * n_volt - Number of available selectors */ #define PM800_BUCK(match, vreg, ereg, ebit, amax, volt_ranges, n_volt) \ { \ .desc = { \ .name = #vreg, \ .of_match = of_match_ptr(#match), \ .regulators_node = of_match_ptr("regulators"), \ .ops = &pm800_volt_range_ops, \ .type = REGULATOR_VOLTAGE, \ .id = PM800_ID_##vreg, \ .owner = THIS_MODULE, \ .n_voltages = n_volt, \ .linear_ranges = volt_ranges, \ .n_linear_ranges = ARRAY_SIZE(volt_ranges), \ .vsel_reg = PM800_##vreg, \ .vsel_mask = 0x7f, \ .enable_reg = PM800_##ereg, \ .enable_mask = 1 << (ebit), \ }, \ .max_ua = (amax), \ } /* * vreg - the LDO regs string * ereg - the string for the enable register. * ebit - the bit number in the enable register. * amax - the current * volt_table - the LDO voltage table * For all the LDOes, there are too many ranges. Using volt_table will be * simpler and faster. */ #define PM800_LDO(match, vreg, ereg, ebit, amax, ldo_volt_table) \ { \ .desc = { \ .name = #vreg, \ .of_match = of_match_ptr(#match), \ .regulators_node = of_match_ptr("regulators"), \ .ops = &pm800_volt_table_ops, \ .type = REGULATOR_VOLTAGE, \ .id = PM800_ID_##vreg, \ .owner = THIS_MODULE, \ .n_voltages = ARRAY_SIZE(ldo_volt_table), \ .vsel_reg = PM800_##vreg##_VOUT, \ .vsel_mask = 0xf, \ .enable_reg = PM800_##ereg, \ .enable_mask = 1 << (ebit), \ .volt_table = ldo_volt_table, \ }, \ .max_ua = (amax), \ } /* Ranges are sorted in ascending order. */ static const struct linear_range buck1_volt_range[] = { REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500), REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x54, 50000), }; /* BUCK 2~5 have same ranges. */ static const struct linear_range buck2_5_volt_range[] = { REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500), REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x72, 50000), }; static const unsigned int ldo1_volt_table[] = { 600000, 650000, 700000, 750000, 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, 1200000, 1300000, 1400000, 1500000, }; static const unsigned int ldo2_volt_table[] = { 1700000, 1800000, 1900000, 2000000, 2100000, 2500000, 2700000, 2800000, }; /* LDO 3~17 have same voltage table. */ static const unsigned int ldo3_17_volt_table[] = { 1200000, 1250000, 1700000, 1800000, 1850000, 1900000, 2500000, 2600000, 2700000, 2750000, 2800000, 2850000, 2900000, 3000000, 3100000, 3300000, }; /* LDO 18~19 have same voltage table. */ static const unsigned int ldo18_19_volt_table[] = { 1700000, 1800000, 1900000, 2500000, 2800000, 2900000, 3100000, 3300000, }; static int pm800_get_current_limit(struct regulator_dev *rdev) { struct pm800_regulator_info *info = rdev_get_drvdata(rdev); return info->max_ua; } static const struct regulator_ops pm800_volt_range_ops = { .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, .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, .get_current_limit = pm800_get_current_limit, }; static const struct regulator_ops pm800_volt_table_ops = { .list_voltage = regulator_list_voltage_table, .map_voltage = regulator_map_voltage_iterate, .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, .get_current_limit = pm800_get_current_limit, }; /* The array is indexed by id(PM800_ID_XXX) */ static struct pm800_regulator_info pm800_regulator_info[] = { PM800_BUCK(buck1, BUCK1, BUCK_ENA, 0, 3000000, buck1_volt_range, 0x55), PM800_BUCK(buck2, BUCK2, BUCK_ENA, 1, 1200000, buck2_5_volt_range, 0x73), PM800_BUCK(buck3, BUCK3, BUCK_ENA, 2, 1200000, buck2_5_volt_range, 0x73), PM800_BUCK(buck4, BUCK4, BUCK_ENA, 3, 1200000, buck2_5_volt_range, 0x73), PM800_BUCK(buck5, BUCK5, BUCK_ENA, 4, 1200000, buck2_5_volt_range, 0x73), PM800_LDO(ldo1, LDO1, LDO_ENA1_1, 0, 200000, ldo1_volt_table), PM800_LDO(ldo2, LDO2, LDO_ENA1_1, 1, 10000, ldo2_volt_table), PM800_LDO(ldo3, LDO3, LDO_ENA1_1, 2, 300000, ldo3_17_volt_table), PM800_LDO(ldo4, LDO4, LDO_ENA1_1, 3, 300000, ldo3_17_volt_table), PM800_LDO(ldo5, LDO5, LDO_ENA1_1, 4, 300000, ldo3_17_volt_table), PM800_LDO(ldo6, LDO6, LDO_ENA1_1, 5, 300000, ldo3_17_volt_table), PM800_LDO(ldo7, LDO7, LDO_ENA1_1, 6, 300000, ldo3_17_volt_table), PM800_LDO(ldo8, LDO8, LDO_ENA1_1, 7, 300000, ldo3_17_volt_table), PM800_LDO(ldo9, LDO9, LDO_ENA1_2, 0, 300000, ldo3_17_volt_table), PM800_LDO(ldo10, LDO10, LDO_ENA1_2, 1, 300000, ldo3_17_volt_table), PM800_LDO(ldo11, LDO11, LDO_ENA1_2, 2, 300000, ldo3_17_volt_table), PM800_LDO(ldo12, LDO12, LDO_ENA1_2, 3, 300000, ldo3_17_volt_table), PM800_LDO(ldo13, LDO13, LDO_ENA1_2, 4, 300000, ldo3_17_volt_table), PM800_LDO(ldo14, LDO14, LDO_ENA1_2, 5, 300000, ldo3_17_volt_table), PM800_LDO(ldo15, LDO15, LDO_ENA1_2, 6, 300000, ldo3_17_volt_table), PM800_LDO(ldo16, LDO16, LDO_ENA1_2, 7, 300000, ldo3_17_volt_table), PM800_LDO(ldo17, LDO17, LDO_ENA1_3, 0, 300000, ldo3_17_volt_table), PM800_LDO(ldo18, LDO18, LDO_ENA1_3, 1, 200000, ldo18_19_volt_table), PM800_LDO(ldo19, LDO19, LDO_ENA1_3, 2, 200000, ldo18_19_volt_table), }; static int pm800_regulator_probe(struct platform_device *pdev) { struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent); struct pm80x_platform_data *pdata = dev_get_platdata(pdev->dev.parent); struct regulator_config config = { }; struct regulator_init_data *init_data; int i, ret; if (pdata && pdata->num_regulators) { unsigned int count = 0; /* Check whether num_regulator is valid. */ for (i = 0; i < ARRAY_SIZE(pdata->regulators); i++) { if (pdata->regulators[i]) count++; } if (count != pdata->num_regulators) return -EINVAL; } config.dev = chip->dev; config.regmap = chip->subchip->regmap_power; for (i = 0; i < PM800_ID_RG_MAX; i++) { struct regulator_dev *regulator; if (pdata && pdata->num_regulators) { init_data = pdata->regulators[i]; if (!init_data) continue; config.init_data = init_data; } config.driver_data = &pm800_regulator_info[i]; regulator = devm_regulator_register(&pdev->dev, &pm800_regulator_info[i].desc, &config); if (IS_ERR(regulator)) { ret = PTR_ERR(regulator); dev_err(&pdev->dev, "Failed to register %s\n", pm800_regulator_info[i].desc.name); return ret; } } return 0; } static struct platform_driver pm800_regulator_driver = { .driver = { .name = "88pm80x-regulator", }, .probe = pm800_regulator_probe, }; module_platform_driver(pm800_regulator_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Joseph(Yossi) Hanin <yhanin@marvell.com>"); MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM800 PMIC"); MODULE_ALIAS("platform:88pm800-regulator");
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