| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Wenyou Yang | 948 | 30.71% | 2 | 11.11% |
| Beniamino Galvani | 792 | 25.66% | 4 | 22.22% |
| Zubair Lutfullah Kakakhel | 683 | 22.13% | 1 | 5.56% |
| Maarten ter Huurne | 436 | 14.12% | 4 | 22.22% |
| Romain Perier | 133 | 4.31% | 2 | 11.11% |
| Heiko Stübner | 55 | 1.78% | 1 | 5.56% |
| Wei Yongjun | 29 | 0.94% | 1 | 5.56% |
| Sachin Kamat | 5 | 0.16% | 1 | 5.56% |
| Kees Cook | 3 | 0.10% | 1 | 5.56% |
| Axel Lin | 3 | 0.10% | 1 | 5.56% |
| Total | 3087 | 18 |
/* * act8865-regulator.c - Voltage regulation for active-semi ACT88xx PMUs * * http://www.active-semi.com/products/power-management-units/act88xx/ * * Copyright (C) 2013 Atmel Corporation * * 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <linux/module.h> #include <linux/init.h> #include <linux/i2c.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/act8865.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/regulator/of_regulator.h> #include <linux/regmap.h> /* * ACT8600 Global Register Map. */ #define ACT8600_SYS_MODE 0x00 #define ACT8600_SYS_CTRL 0x01 #define ACT8600_DCDC1_VSET 0x10 #define ACT8600_DCDC1_CTRL 0x12 #define ACT8600_DCDC2_VSET 0x20 #define ACT8600_DCDC2_CTRL 0x22 #define ACT8600_DCDC3_VSET 0x30 #define ACT8600_DCDC3_CTRL 0x32 #define ACT8600_SUDCDC4_VSET 0x40 #define ACT8600_SUDCDC4_CTRL 0x41 #define ACT8600_LDO5_VSET 0x50 #define ACT8600_LDO5_CTRL 0x51 #define ACT8600_LDO6_VSET 0x60 #define ACT8600_LDO6_CTRL 0x61 #define ACT8600_LDO7_VSET 0x70 #define ACT8600_LDO7_CTRL 0x71 #define ACT8600_LDO8_VSET 0x80 #define ACT8600_LDO8_CTRL 0x81 #define ACT8600_LDO910_CTRL 0x91 #define ACT8600_APCH0 0xA1 #define ACT8600_APCH1 0xA8 #define ACT8600_APCH2 0xA9 #define ACT8600_APCH_STAT 0xAA #define ACT8600_OTG0 0xB0 #define ACT8600_OTG1 0xB2 /* * ACT8846 Global Register Map. */ #define ACT8846_SYS0 0x00 #define ACT8846_SYS1 0x01 #define ACT8846_REG1_VSET 0x10 #define ACT8846_REG1_CTRL 0x12 #define ACT8846_REG2_VSET0 0x20 #define ACT8846_REG2_VSET1 0x21 #define ACT8846_REG2_CTRL 0x22 #define ACT8846_REG3_VSET0 0x30 #define ACT8846_REG3_VSET1 0x31 #define ACT8846_REG3_CTRL 0x32 #define ACT8846_REG4_VSET0 0x40 #define ACT8846_REG4_VSET1 0x41 #define ACT8846_REG4_CTRL 0x42 #define ACT8846_REG5_VSET 0x50 #define ACT8846_REG5_CTRL 0x51 #define ACT8846_REG6_VSET 0x58 #define ACT8846_REG6_CTRL 0x59 #define ACT8846_REG7_VSET 0x60 #define ACT8846_REG7_CTRL 0x61 #define ACT8846_REG8_VSET 0x68 #define ACT8846_REG8_CTRL 0x69 #define ACT8846_REG9_VSET 0x70 #define ACT8846_REG9_CTRL 0x71 #define ACT8846_REG10_VSET 0x80 #define ACT8846_REG10_CTRL 0x81 #define ACT8846_REG11_VSET 0x90 #define ACT8846_REG11_CTRL 0x91 #define ACT8846_REG12_VSET 0xa0 #define ACT8846_REG12_CTRL 0xa1 #define ACT8846_REG13_CTRL 0xb1 #define ACT8846_GLB_OFF_CTRL 0xc3 #define ACT8846_OFF_SYSMASK 0x18 /* * ACT8865 Global Register Map. */ #define ACT8865_SYS_MODE 0x00 #define ACT8865_SYS_CTRL 0x01 #define ACT8865_DCDC1_VSET1 0x20 #define ACT8865_DCDC1_VSET2 0x21 #define ACT8865_DCDC1_CTRL 0x22 #define ACT8865_DCDC2_VSET1 0x30 #define ACT8865_DCDC2_VSET2 0x31 #define ACT8865_DCDC2_CTRL 0x32 #define ACT8865_DCDC3_VSET1 0x40 #define ACT8865_DCDC3_VSET2 0x41 #define ACT8865_DCDC3_CTRL 0x42 #define ACT8865_LDO1_VSET 0x50 #define ACT8865_LDO1_CTRL 0x51 #define ACT8865_LDO2_VSET 0x54 #define ACT8865_LDO2_CTRL 0x55 #define ACT8865_LDO3_VSET 0x60 #define ACT8865_LDO3_CTRL 0x61 #define ACT8865_LDO4_VSET 0x64 #define ACT8865_LDO4_CTRL 0x65 #define ACT8865_MSTROFF 0x20 /* * Field Definitions. */ #define ACT8865_ENA 0x80 /* ON - [7] */ #define ACT8865_VSEL_MASK 0x3F /* VSET - [5:0] */ #define ACT8600_LDO10_ENA 0x40 /* ON - [6] */ #define ACT8600_SUDCDC_VSEL_MASK 0xFF /* SUDCDC VSET - [7:0] */ /* * ACT8865 voltage number */ #define ACT8865_VOLTAGE_NUM 64 #define ACT8600_SUDCDC_VOLTAGE_NUM 255 struct act8865 { struct regmap *regmap; int off_reg; int off_mask; }; static const struct regmap_range act8600_reg_ranges[] = { regmap_reg_range(0x00, 0x01), regmap_reg_range(0x10, 0x10), regmap_reg_range(0x12, 0x12), regmap_reg_range(0x20, 0x20), regmap_reg_range(0x22, 0x22), regmap_reg_range(0x30, 0x30), regmap_reg_range(0x32, 0x32), regmap_reg_range(0x40, 0x41), regmap_reg_range(0x50, 0x51), regmap_reg_range(0x60, 0x61), regmap_reg_range(0x70, 0x71), regmap_reg_range(0x80, 0x81), regmap_reg_range(0x91, 0x91), regmap_reg_range(0xA1, 0xA1), regmap_reg_range(0xA8, 0xAA), regmap_reg_range(0xB0, 0xB0), regmap_reg_range(0xB2, 0xB2), regmap_reg_range(0xC1, 0xC1), }; static const struct regmap_range act8600_reg_ro_ranges[] = { regmap_reg_range(0xAA, 0xAA), regmap_reg_range(0xC1, 0xC1), }; static const struct regmap_range act8600_reg_volatile_ranges[] = { regmap_reg_range(0x00, 0x01), regmap_reg_range(0x12, 0x12), regmap_reg_range(0x22, 0x22), regmap_reg_range(0x32, 0x32), regmap_reg_range(0x41, 0x41), regmap_reg_range(0x51, 0x51), regmap_reg_range(0x61, 0x61), regmap_reg_range(0x71, 0x71), regmap_reg_range(0x81, 0x81), regmap_reg_range(0xA8, 0xA8), regmap_reg_range(0xAA, 0xAA), regmap_reg_range(0xB0, 0xB0), regmap_reg_range(0xC1, 0xC1), }; static const struct regmap_access_table act8600_write_ranges_table = { .yes_ranges = act8600_reg_ranges, .n_yes_ranges = ARRAY_SIZE(act8600_reg_ranges), .no_ranges = act8600_reg_ro_ranges, .n_no_ranges = ARRAY_SIZE(act8600_reg_ro_ranges), }; static const struct regmap_access_table act8600_read_ranges_table = { .yes_ranges = act8600_reg_ranges, .n_yes_ranges = ARRAY_SIZE(act8600_reg_ranges), }; static const struct regmap_access_table act8600_volatile_ranges_table = { .yes_ranges = act8600_reg_volatile_ranges, .n_yes_ranges = ARRAY_SIZE(act8600_reg_volatile_ranges), }; static const struct regmap_config act8600_regmap_config = { .reg_bits = 8, .val_bits = 8, .max_register = 0xFF, .wr_table = &act8600_write_ranges_table, .rd_table = &act8600_read_ranges_table, .volatile_table = &act8600_volatile_ranges_table, }; static const struct regmap_config act8865_regmap_config = { .reg_bits = 8, .val_bits = 8, }; static const struct regulator_linear_range act8865_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000), REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000), REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000), }; static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0), REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000), REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000), REGULATOR_LINEAR_RANGE(19000000, 191, 255, 400000), }; static struct regulator_ops act8865_ops = { .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, }; static struct regulator_ops act8865_ldo_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, }; #define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \ [_family##_ID_##_id] = { \ .name = _name, \ .supply_name = _supply, \ .id = _family##_ID_##_id, \ .type = REGULATOR_VOLTAGE, \ .ops = &act8865_ops, \ .n_voltages = ACT8865_VOLTAGE_NUM, \ .linear_ranges = act8865_voltage_ranges, \ .n_linear_ranges = ARRAY_SIZE(act8865_voltage_ranges), \ .vsel_reg = _family##_##_id##_##_vsel_reg, \ .vsel_mask = ACT8865_VSEL_MASK, \ .enable_reg = _family##_##_id##_CTRL, \ .enable_mask = ACT8865_ENA, \ .owner = THIS_MODULE, \ } static const struct regulator_desc act8600_regulators[] = { ACT88xx_REG("DCDC1", ACT8600, DCDC1, VSET, "vp1"), ACT88xx_REG("DCDC2", ACT8600, DCDC2, VSET, "vp2"), ACT88xx_REG("DCDC3", ACT8600, DCDC3, VSET, "vp3"), { .name = "SUDCDC_REG4", .id = ACT8600_ID_SUDCDC4, .ops = &act8865_ops, .type = REGULATOR_VOLTAGE, .n_voltages = ACT8600_SUDCDC_VOLTAGE_NUM, .linear_ranges = act8600_sudcdc_voltage_ranges, .n_linear_ranges = ARRAY_SIZE(act8600_sudcdc_voltage_ranges), .vsel_reg = ACT8600_SUDCDC4_VSET, .vsel_mask = ACT8600_SUDCDC_VSEL_MASK, .enable_reg = ACT8600_SUDCDC4_CTRL, .enable_mask = ACT8865_ENA, .owner = THIS_MODULE, }, ACT88xx_REG("LDO5", ACT8600, LDO5, VSET, "inl"), ACT88xx_REG("LDO6", ACT8600, LDO6, VSET, "inl"), ACT88xx_REG("LDO7", ACT8600, LDO7, VSET, "inl"), ACT88xx_REG("LDO8", ACT8600, LDO8, VSET, "inl"), { .name = "LDO_REG9", .id = ACT8600_ID_LDO9, .ops = &act8865_ldo_ops, .type = REGULATOR_VOLTAGE, .n_voltages = 1, .fixed_uV = 3300000, .enable_reg = ACT8600_LDO910_CTRL, .enable_mask = ACT8865_ENA, .owner = THIS_MODULE, }, { .name = "LDO_REG10", .id = ACT8600_ID_LDO10, .ops = &act8865_ldo_ops, .type = REGULATOR_VOLTAGE, .n_voltages = 1, .fixed_uV = 1200000, .enable_reg = ACT8600_LDO910_CTRL, .enable_mask = ACT8600_LDO10_ENA, .owner = THIS_MODULE, }, }; static const struct regulator_desc act8846_regulators[] = { ACT88xx_REG("REG1", ACT8846, REG1, VSET, "vp1"), ACT88xx_REG("REG2", ACT8846, REG2, VSET0, "vp2"), ACT88xx_REG("REG3", ACT8846, REG3, VSET0, "vp3"), ACT88xx_REG("REG4", ACT8846, REG4, VSET0, "vp4"), ACT88xx_REG("REG5", ACT8846, REG5, VSET, "inl1"), ACT88xx_REG("REG6", ACT8846, REG6, VSET, "inl1"), ACT88xx_REG("REG7", ACT8846, REG7, VSET, "inl1"), ACT88xx_REG("REG8", ACT8846, REG8, VSET, "inl2"), ACT88xx_REG("REG9", ACT8846, REG9, VSET, "inl2"), ACT88xx_REG("REG10", ACT8846, REG10, VSET, "inl3"), ACT88xx_REG("REG11", ACT8846, REG11, VSET, "inl3"), ACT88xx_REG("REG12", ACT8846, REG12, VSET, "inl3"), }; static const struct regulator_desc act8865_regulators[] = { ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET1, "vp1"), ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET1, "vp2"), ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET1, "vp3"), ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), }; static const struct regulator_desc act8865_alt_regulators[] = { ACT88xx_REG("DCDC_REG1", ACT8865, DCDC1, VSET2, "vp1"), ACT88xx_REG("DCDC_REG2", ACT8865, DCDC2, VSET2, "vp2"), ACT88xx_REG("DCDC_REG3", ACT8865, DCDC3, VSET2, "vp3"), ACT88xx_REG("LDO_REG1", ACT8865, LDO1, VSET, "inl45"), ACT88xx_REG("LDO_REG2", ACT8865, LDO2, VSET, "inl45"), ACT88xx_REG("LDO_REG3", ACT8865, LDO3, VSET, "inl67"), ACT88xx_REG("LDO_REG4", ACT8865, LDO4, VSET, "inl67"), }; #ifdef CONFIG_OF static const struct of_device_id act8865_dt_ids[] = { { .compatible = "active-semi,act8600", .data = (void *)ACT8600 }, { .compatible = "active-semi,act8846", .data = (void *)ACT8846 }, { .compatible = "active-semi,act8865", .data = (void *)ACT8865 }, { } }; MODULE_DEVICE_TABLE(of, act8865_dt_ids); static struct of_regulator_match act8846_matches[] = { [ACT8846_ID_REG1] = { .name = "REG1" }, [ACT8846_ID_REG2] = { .name = "REG2" }, [ACT8846_ID_REG3] = { .name = "REG3" }, [ACT8846_ID_REG4] = { .name = "REG4" }, [ACT8846_ID_REG5] = { .name = "REG5" }, [ACT8846_ID_REG6] = { .name = "REG6" }, [ACT8846_ID_REG7] = { .name = "REG7" }, [ACT8846_ID_REG8] = { .name = "REG8" }, [ACT8846_ID_REG9] = { .name = "REG9" }, [ACT8846_ID_REG10] = { .name = "REG10" }, [ACT8846_ID_REG11] = { .name = "REG11" }, [ACT8846_ID_REG12] = { .name = "REG12" }, }; static struct of_regulator_match act8865_matches[] = { [ACT8865_ID_DCDC1] = { .name = "DCDC_REG1"}, [ACT8865_ID_DCDC2] = { .name = "DCDC_REG2"}, [ACT8865_ID_DCDC3] = { .name = "DCDC_REG3"}, [ACT8865_ID_LDO1] = { .name = "LDO_REG1"}, [ACT8865_ID_LDO2] = { .name = "LDO_REG2"}, [ACT8865_ID_LDO3] = { .name = "LDO_REG3"}, [ACT8865_ID_LDO4] = { .name = "LDO_REG4"}, }; static struct of_regulator_match act8600_matches[] = { [ACT8600_ID_DCDC1] = { .name = "DCDC_REG1"}, [ACT8600_ID_DCDC2] = { .name = "DCDC_REG2"}, [ACT8600_ID_DCDC3] = { .name = "DCDC_REG3"}, [ACT8600_ID_SUDCDC4] = { .name = "SUDCDC_REG4"}, [ACT8600_ID_LDO5] = { .name = "LDO_REG5"}, [ACT8600_ID_LDO6] = { .name = "LDO_REG6"}, [ACT8600_ID_LDO7] = { .name = "LDO_REG7"}, [ACT8600_ID_LDO8] = { .name = "LDO_REG8"}, [ACT8600_ID_LDO9] = { .name = "LDO_REG9"}, [ACT8600_ID_LDO10] = { .name = "LDO_REG10"}, }; static int act8865_pdata_from_dt(struct device *dev, struct act8865_platform_data *pdata, unsigned long type) { int matched, i, num_matches; struct device_node *np; struct act8865_regulator_data *regulator; struct of_regulator_match *matches; switch (type) { case ACT8600: matches = act8600_matches; num_matches = ARRAY_SIZE(act8600_matches); break; case ACT8846: matches = act8846_matches; num_matches = ARRAY_SIZE(act8846_matches); break; case ACT8865: matches = act8865_matches; num_matches = ARRAY_SIZE(act8865_matches); break; default: dev_err(dev, "invalid device id %lu\n", type); return -EINVAL; } np = of_get_child_by_name(dev->of_node, "regulators"); if (!np) { dev_err(dev, "missing 'regulators' subnode in DT\n"); return -EINVAL; } matched = of_regulator_match(dev, np, matches, num_matches); of_node_put(np); if (matched <= 0) return matched; pdata->regulators = devm_kcalloc(dev, num_matches, sizeof(struct act8865_regulator_data), GFP_KERNEL); if (!pdata->regulators) return -ENOMEM; pdata->num_regulators = num_matches; regulator = pdata->regulators; for (i = 0; i < num_matches; i++) { regulator->id = i; regulator->name = matches[i].name; regulator->init_data = matches[i].init_data; regulator->of_node = matches[i].of_node; regulator++; } return 0; } #else static inline int act8865_pdata_from_dt(struct device *dev, struct act8865_platform_data *pdata, unsigned long type) { return 0; } #endif static struct act8865_regulator_data *act8865_get_regulator_data( int id, struct act8865_platform_data *pdata) { int i; if (!pdata) return NULL; for (i = 0; i < pdata->num_regulators; i++) { if (pdata->regulators[i].id == id) return &pdata->regulators[i]; } return NULL; } static struct i2c_client *act8865_i2c_client; static void act8865_power_off(void) { struct act8865 *act8865; act8865 = i2c_get_clientdata(act8865_i2c_client); regmap_write(act8865->regmap, act8865->off_reg, act8865->off_mask); while (1); } static int act8865_pmic_probe(struct i2c_client *client, const struct i2c_device_id *i2c_id) { const struct regulator_desc *regulators; struct act8865_platform_data pdata_of, *pdata; struct device *dev = &client->dev; int i, ret, num_regulators; struct act8865 *act8865; const struct regmap_config *regmap_config; unsigned long type; int off_reg, off_mask; int voltage_select = 0; pdata = dev_get_platdata(dev); if (dev->of_node && !pdata) { const struct of_device_id *id; id = of_match_device(of_match_ptr(act8865_dt_ids), dev); if (!id) return -ENODEV; type = (unsigned long) id->data; voltage_select = !!of_get_property(dev->of_node, "active-semi,vsel-high", NULL); } else { type = i2c_id->driver_data; } switch (type) { case ACT8600: regulators = act8600_regulators; num_regulators = ARRAY_SIZE(act8600_regulators); regmap_config = &act8600_regmap_config; off_reg = -1; off_mask = -1; break; case ACT8846: regulators = act8846_regulators; num_regulators = ARRAY_SIZE(act8846_regulators); regmap_config = &act8865_regmap_config; off_reg = ACT8846_GLB_OFF_CTRL; off_mask = ACT8846_OFF_SYSMASK; break; case ACT8865: if (voltage_select) { regulators = act8865_alt_regulators; num_regulators = ARRAY_SIZE(act8865_alt_regulators); } else { regulators = act8865_regulators; num_regulators = ARRAY_SIZE(act8865_regulators); } regmap_config = &act8865_regmap_config; off_reg = ACT8865_SYS_CTRL; off_mask = ACT8865_MSTROFF; break; default: dev_err(dev, "invalid device id %lu\n", type); return -EINVAL; } if (dev->of_node && !pdata) { ret = act8865_pdata_from_dt(dev, &pdata_of, type); if (ret < 0) return ret; pdata = &pdata_of; } act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL); if (!act8865) return -ENOMEM; act8865->regmap = devm_regmap_init_i2c(client, regmap_config); if (IS_ERR(act8865->regmap)) { ret = PTR_ERR(act8865->regmap); dev_err(dev, "Failed to allocate register map: %d\n", ret); return ret; } if (of_device_is_system_power_controller(dev->of_node)) { if (!pm_power_off && (off_reg > 0)) { act8865_i2c_client = client; act8865->off_reg = off_reg; act8865->off_mask = off_mask; pm_power_off = act8865_power_off; } else { dev_err(dev, "Failed to set poweroff capability, already defined\n"); } } /* Finally register devices */ for (i = 0; i < num_regulators; i++) { const struct regulator_desc *desc = ®ulators[i]; struct regulator_config config = { }; struct act8865_regulator_data *rdata; struct regulator_dev *rdev; config.dev = dev; config.driver_data = act8865; config.regmap = act8865->regmap; rdata = act8865_get_regulator_data(desc->id, pdata); if (rdata) { config.init_data = rdata->init_data; config.of_node = rdata->of_node; } rdev = devm_regulator_register(dev, desc, &config); if (IS_ERR(rdev)) { dev_err(dev, "failed to register %s\n", desc->name); return PTR_ERR(rdev); } } i2c_set_clientdata(client, act8865); return 0; } static const struct i2c_device_id act8865_ids[] = { { .name = "act8600", .driver_data = ACT8600 }, { .name = "act8846", .driver_data = ACT8846 }, { .name = "act8865", .driver_data = ACT8865 }, { }, }; MODULE_DEVICE_TABLE(i2c, act8865_ids); static struct i2c_driver act8865_pmic_driver = { .driver = { .name = "act8865", }, .probe = act8865_pmic_probe, .id_table = act8865_ids, }; module_i2c_driver(act8865_pmic_driver); MODULE_DESCRIPTION("active-semi act88xx voltage regulator driver"); MODULE_AUTHOR("Wenyou Yang <wenyou.yang@atmel.com>"); MODULE_LICENSE("GPL v2");
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