| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Anuj Aggarwal | 566 | 41.53% | 1 | 4.00% |
| Thomas Elste | 461 | 33.82% | 1 | 4.00% |
| Marcus Folkesson | 138 | 10.12% | 4 | 16.00% |
| Axel Lin | 135 | 9.90% | 9 | 36.00% |
| Mark Brown | 36 | 2.64% | 3 | 12.00% |
| Marek Vašut | 12 | 0.88% | 1 | 4.00% |
| Liam Girdwood | 5 | 0.37% | 1 | 4.00% |
| Tejun Heo | 3 | 0.22% | 1 | 4.00% |
| Krzysztof Kozlowski | 3 | 0.22% | 1 | 4.00% |
| Jingoo Han | 2 | 0.15% | 1 | 4.00% |
| Dmitry Torokhov | 1 | 0.07% | 1 | 4.00% |
| Richard Cochran | 1 | 0.07% | 1 | 4.00% |
| Total | 1363 | 25 |
/* * tps65023-regulator.c * * Supports TPS65023 Regulator * * Copyright (C) 2009 Texas Instrument Incorporated - http://www.ti.com/ * * 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 version 2. * * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, * whether express or implied; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #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/i2c.h> #include <linux/slab.h> #include <linux/regmap.h> /* Register definitions */ #define TPS65023_REG_VERSION 0 #define TPS65023_REG_PGOODZ 1 #define TPS65023_REG_MASK 2 #define TPS65023_REG_REG_CTRL 3 #define TPS65023_REG_CON_CTRL 4 #define TPS65023_REG_CON_CTRL2 5 #define TPS65023_REG_DEF_CORE 6 #define TPS65023_REG_DEFSLEW 7 #define TPS65023_REG_LDO_CTRL 8 /* PGOODZ bitfields */ #define TPS65023_PGOODZ_PWRFAILZ BIT(7) #define TPS65023_PGOODZ_LOWBATTZ BIT(6) #define TPS65023_PGOODZ_VDCDC1 BIT(5) #define TPS65023_PGOODZ_VDCDC2 BIT(4) #define TPS65023_PGOODZ_VDCDC3 BIT(3) #define TPS65023_PGOODZ_LDO2 BIT(2) #define TPS65023_PGOODZ_LDO1 BIT(1) /* MASK bitfields */ #define TPS65023_MASK_PWRFAILZ BIT(7) #define TPS65023_MASK_LOWBATTZ BIT(6) #define TPS65023_MASK_VDCDC1 BIT(5) #define TPS65023_MASK_VDCDC2 BIT(4) #define TPS65023_MASK_VDCDC3 BIT(3) #define TPS65023_MASK_LDO2 BIT(2) #define TPS65023_MASK_LDO1 BIT(1) /* REG_CTRL bitfields */ #define TPS65023_REG_CTRL_VDCDC1_EN BIT(5) #define TPS65023_REG_CTRL_VDCDC2_EN BIT(4) #define TPS65023_REG_CTRL_VDCDC3_EN BIT(3) #define TPS65023_REG_CTRL_LDO2_EN BIT(2) #define TPS65023_REG_CTRL_LDO1_EN BIT(1) /* REG_CTRL2 bitfields */ #define TPS65023_REG_CTRL2_GO BIT(7) #define TPS65023_REG_CTRL2_CORE_ADJ BIT(6) #define TPS65023_REG_CTRL2_DCDC2 BIT(2) #define TPS65023_REG_CTRL2_DCDC1 BIT(1) #define TPS65023_REG_CTRL2_DCDC3 BIT(0) /* Number of step-down converters available */ #define TPS65023_NUM_DCDC 3 /* Number of LDO voltage regulators available */ #define TPS65023_NUM_LDO 2 /* Number of total regulators available */ #define TPS65023_NUM_REGULATOR (TPS65023_NUM_DCDC + TPS65023_NUM_LDO) /* DCDCs */ #define TPS65023_DCDC_1 0 #define TPS65023_DCDC_2 1 #define TPS65023_DCDC_3 2 /* LDOs */ #define TPS65023_LDO_1 3 #define TPS65023_LDO_2 4 #define TPS65023_MAX_REG_ID TPS65023_LDO_2 #define TPS65023_REGULATOR_DCDC(_num, _t, _em) \ { \ .name = "VDCDC"#_num, \ .of_match = of_match_ptr("VDCDC"#_num), \ .regulators_node = of_match_ptr("regulators"), \ .id = TPS65023_DCDC_##_num, \ .n_voltages = ARRAY_SIZE(_t), \ .ops = &tps65023_dcdc_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .volt_table = _t, \ .vsel_reg = TPS65023_REG_DEF_CORE, \ .vsel_mask = ARRAY_SIZE(_t) - 1, \ .enable_mask = _em, \ .enable_reg = TPS65023_REG_REG_CTRL, \ .apply_reg = TPS65023_REG_CON_CTRL2, \ .apply_bit = TPS65023_REG_CTRL2_GO, \ } \ #define TPS65023_REGULATOR_LDO(_num, _t, _vm) \ { \ .name = "LDO"#_num, \ .of_match = of_match_ptr("LDO"#_num), \ .regulators_node = of_match_ptr("regulators"), \ .id = TPS65023_LDO_##_num, \ .n_voltages = ARRAY_SIZE(_t), \ .ops = &tps65023_ldo_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .volt_table = _t, \ .vsel_reg = TPS65023_REG_LDO_CTRL, \ .vsel_mask = _vm, \ .enable_mask = 1 << (_num), \ .enable_reg = TPS65023_REG_REG_CTRL, \ } \ /* Supported voltage values for regulators */ static const unsigned int VCORE_VSEL_table[] = { 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, 1525000, 1550000, 1600000, }; static const unsigned int DCDC_FIXED_3300000_VSEL_table[] = { 3300000, }; static const unsigned int DCDC_FIXED_1800000_VSEL_table[] = { 1800000, }; /* Supported voltage values for LDO regulators for tps65020 */ static const unsigned int TPS65020_LDO_VSEL_table[] = { 1000000, 1050000, 1100000, 1300000, 1800000, 2500000, 3000000, 3300000, }; /* Supported voltage values for LDO regulators * for tps65021 and tps65023 */ static const unsigned int TPS65023_LDO1_VSEL_table[] = { 1000000, 1100000, 1300000, 1800000, 2200000, 2600000, 2800000, 3150000, }; static const unsigned int TPS65023_LDO2_VSEL_table[] = { 1050000, 1200000, 1300000, 1800000, 2500000, 2800000, 3000000, 3300000, }; /* PMIC details */ struct tps_pmic { struct regulator_dev *rdev[TPS65023_NUM_REGULATOR]; const struct tps_driver_data *driver_data; struct regmap *regmap; }; /* Struct passed as driver data */ struct tps_driver_data { const struct regulator_desc *desc; u8 core_regulator; }; static int tps65023_dcdc_get_voltage_sel(struct regulator_dev *dev) { struct tps_pmic *tps = rdev_get_drvdata(dev); int dcdc = rdev_get_id(dev); if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3) return -EINVAL; if (dcdc != tps->driver_data->core_regulator) return 0; return regulator_get_voltage_sel_regmap(dev); } static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev, unsigned selector) { struct tps_pmic *tps = rdev_get_drvdata(dev); int dcdc = rdev_get_id(dev); if (dcdc != tps->driver_data->core_regulator) return -EINVAL; return regulator_set_voltage_sel_regmap(dev, selector); } /* Operations permitted on VDCDCx */ static const struct regulator_ops tps65023_dcdc_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .get_voltage_sel = tps65023_dcdc_get_voltage_sel, .set_voltage_sel = tps65023_dcdc_set_voltage_sel, .list_voltage = regulator_list_voltage_table, .map_voltage = regulator_map_voltage_ascend, }; /* Operations permitted on LDOx */ static const struct regulator_ops tps65023_ldo_ops = { .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_table, .map_voltage = regulator_map_voltage_ascend, }; static const struct regmap_config tps65023_regmap_config = { .reg_bits = 8, .val_bits = 8, }; static const struct regulator_desc tps65020_regulators[] = { TPS65023_REGULATOR_DCDC(1, DCDC_FIXED_3300000_VSEL_table, 0x20), TPS65023_REGULATOR_DCDC(2, DCDC_FIXED_1800000_VSEL_table, 0x10), TPS65023_REGULATOR_DCDC(3, VCORE_VSEL_table, 0x08), TPS65023_REGULATOR_LDO(1, TPS65020_LDO_VSEL_table, 0x07), TPS65023_REGULATOR_LDO(2, TPS65020_LDO_VSEL_table, 0x70), }; static const struct regulator_desc tps65021_regulators[] = { TPS65023_REGULATOR_DCDC(1, DCDC_FIXED_3300000_VSEL_table, 0x20), TPS65023_REGULATOR_DCDC(2, DCDC_FIXED_1800000_VSEL_table, 0x10), TPS65023_REGULATOR_DCDC(3, VCORE_VSEL_table, 0x08), TPS65023_REGULATOR_LDO(1, TPS65023_LDO1_VSEL_table, 0x07), TPS65023_REGULATOR_LDO(2, TPS65023_LDO2_VSEL_table, 0x70), }; static const struct regulator_desc tps65023_regulators[] = { TPS65023_REGULATOR_DCDC(1, VCORE_VSEL_table, 0x20), TPS65023_REGULATOR_DCDC(2, DCDC_FIXED_3300000_VSEL_table, 0x10), TPS65023_REGULATOR_DCDC(3, DCDC_FIXED_1800000_VSEL_table, 0x08), TPS65023_REGULATOR_LDO(1, TPS65023_LDO1_VSEL_table, 0x07), TPS65023_REGULATOR_LDO(2, TPS65023_LDO2_VSEL_table, 0x70), }; static struct tps_driver_data tps65020_drv_data = { .desc = tps65020_regulators, .core_regulator = TPS65023_DCDC_3, }; static struct tps_driver_data tps65021_drv_data = { .desc = tps65021_regulators, .core_regulator = TPS65023_DCDC_3, }; static struct tps_driver_data tps65023_drv_data = { .desc = tps65023_regulators, .core_regulator = TPS65023_DCDC_1, }; static int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct regulator_init_data *init_data = dev_get_platdata(&client->dev); struct regulator_config config = { }; struct tps_pmic *tps; int i; int error; tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); if (!tps) return -ENOMEM; tps->driver_data = (struct tps_driver_data *)id->driver_data; tps->regmap = devm_regmap_init_i2c(client, &tps65023_regmap_config); if (IS_ERR(tps->regmap)) { error = PTR_ERR(tps->regmap); dev_err(&client->dev, "Failed to allocate register map: %d\n", error); return error; } /* common for all regulators */ config.dev = &client->dev; config.driver_data = tps; config.regmap = tps->regmap; for (i = 0; i < TPS65023_NUM_REGULATOR; i++) { if (init_data) config.init_data = &init_data[i]; /* Register the regulators */ tps->rdev[i] = devm_regulator_register(&client->dev, &tps->driver_data->desc[i], &config); if (IS_ERR(tps->rdev[i])) { dev_err(&client->dev, "failed to register %s\n", id->name); return PTR_ERR(tps->rdev[i]); } } i2c_set_clientdata(client, tps); /* Enable setting output voltage by I2C */ regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2, TPS65023_REG_CTRL2_CORE_ADJ, 0); return 0; } static const struct of_device_id tps65023_of_match[] = { { .compatible = "ti,tps65020", .data = &tps65020_drv_data}, { .compatible = "ti,tps65021", .data = &tps65021_drv_data}, { .compatible = "ti,tps65023", .data = &tps65023_drv_data}, {}, }; MODULE_DEVICE_TABLE(of, tps65023_of_match); static const struct i2c_device_id tps_65023_id[] = { { .name = "tps65023", .driver_data = (kernel_ulong_t)&tps65023_drv_data }, { .name = "tps65021", .driver_data = (kernel_ulong_t)&tps65021_drv_data }, { .name = "tps65020", .driver_data = (kernel_ulong_t)&tps65020_drv_data }, { }, }; MODULE_DEVICE_TABLE(i2c, tps_65023_id); static struct i2c_driver tps_65023_i2c_driver = { .driver = { .name = "tps65023", .of_match_table = of_match_ptr(tps65023_of_match), }, .probe = tps_65023_probe, .id_table = tps_65023_id, }; static int __init tps_65023_init(void) { return i2c_add_driver(&tps_65023_i2c_driver); } subsys_initcall(tps_65023_init); static void __exit tps_65023_cleanup(void) { i2c_del_driver(&tps_65023_i2c_driver); } module_exit(tps_65023_cleanup); MODULE_AUTHOR("Texas Instruments"); MODULE_DESCRIPTION("TPS65023 voltage regulator driver"); MODULE_LICENSE("GPL v2");
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