Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Christoph Fritz | 707 | 96.85% | 1 | 16.67% |
Axel Lin | 22 | 3.01% | 4 | 66.67% |
Jean Delvare | 1 | 0.14% | 1 | 16.67% |
Total | 730 | 6 |
// SPDX-License-Identifier: GPL-2.0+ #include <linux/module.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> enum fan53880_regulator_ids { FAN53880_LDO1, FAN53880_LDO2, FAN53880_LDO3, FAN53880_LDO4, FAN53880_BUCK, FAN53880_BOOST, }; enum fan53880_registers { FAN53880_PRODUCT_ID = 0x00, FAN53880_SILICON_REV, FAN53880_BUCKVOUT, FAN53880_BOOSTVOUT, FAN53880_LDO1VOUT, FAN53880_LDO2VOUT, FAN53880_LDO3VOUT, FAN53880_LDO4VOUT, FAN53880_IOUT, FAN53880_ENABLE, FAN53880_ENABLE_BOOST, }; #define FAN53880_ID 0x01 static const struct regulator_ops fan53880_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, }; #define FAN53880_LDO(_num, _supply, _default) \ [FAN53880_LDO ## _num] = { \ .name = "LDO"#_num, \ .of_match = "LDO"#_num, \ .regulators_node = "regulators", \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .linear_ranges = (struct linear_range[]) { \ REGULATOR_LINEAR_RANGE(_default, 0x0, 0x0, 0), \ REGULATOR_LINEAR_RANGE(800000, 0xf, 0x73, 25000), \ }, \ .n_linear_ranges = 2, \ .n_voltages = 0x74, \ .vsel_reg = FAN53880_LDO ## _num ## VOUT, \ .vsel_mask = 0x7f, \ .enable_reg = FAN53880_ENABLE, \ .enable_mask = BIT(_num - 1), \ .enable_time = 150, \ .supply_name = _supply, \ .ops = &fan53880_ops, \ } static const struct regulator_desc fan53880_regulators[] = { FAN53880_LDO(1, "VIN12", 2800000), FAN53880_LDO(2, "VIN12", 2800000), FAN53880_LDO(3, "VIN3", 1800000), FAN53880_LDO(4, "VIN4", 1800000), [FAN53880_BUCK] = { .name = "BUCK", .of_match = "BUCK", .regulators_node = "regulators", .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, .linear_ranges = (struct linear_range[]) { REGULATOR_LINEAR_RANGE(1100000, 0x0, 0x0, 0), REGULATOR_LINEAR_RANGE(600000, 0x1f, 0xf7, 12500), }, .n_linear_ranges = 2, .n_voltages = 0xf8, .vsel_reg = FAN53880_BUCKVOUT, .vsel_mask = 0xff, .enable_reg = FAN53880_ENABLE, .enable_mask = 0x10, .enable_time = 480, .supply_name = "PVIN", .ops = &fan53880_ops, }, [FAN53880_BOOST] = { .name = "BOOST", .of_match = "BOOST", .regulators_node = "regulators", .type = REGULATOR_VOLTAGE, .owner = THIS_MODULE, .linear_ranges = (struct linear_range[]) { REGULATOR_LINEAR_RANGE(5000000, 0x0, 0x0, 0), REGULATOR_LINEAR_RANGE(3000000, 0x4, 0x70, 25000), }, .n_linear_ranges = 2, .n_voltages = 0x71, .vsel_reg = FAN53880_BOOSTVOUT, .vsel_mask = 0x7f, .enable_reg = FAN53880_ENABLE_BOOST, .enable_mask = 0xff, .enable_time = 580, .supply_name = "PVIN", .ops = &fan53880_ops, }, }; static const struct regmap_config fan53880_regmap = { .reg_bits = 8, .val_bits = 8, .max_register = FAN53880_ENABLE_BOOST, }; static int fan53880_i2c_probe(struct i2c_client *i2c) { struct regulator_config config = { }; struct regulator_dev *rdev; struct regmap *regmap; int i, ret; unsigned int data; regmap = devm_regmap_init_i2c(i2c, &fan53880_regmap); if (IS_ERR(regmap)) { ret = PTR_ERR(regmap); dev_err(&i2c->dev, "Failed to create regmap: %d\n", ret); return ret; } ret = regmap_read(regmap, FAN53880_PRODUCT_ID, &data); if (ret < 0) { dev_err(&i2c->dev, "Failed to read PRODUCT_ID: %d\n", ret); return ret; } if (data != FAN53880_ID) { dev_err(&i2c->dev, "Unsupported device id: 0x%x.\n", data); return -ENODEV; } config.dev = &i2c->dev; config.init_data = NULL; for (i = 0; i < ARRAY_SIZE(fan53880_regulators); i++) { rdev = devm_regulator_register(&i2c->dev, &fan53880_regulators[i], &config); if (IS_ERR(rdev)) { ret = PTR_ERR(rdev); dev_err(&i2c->dev, "Failed to register %s: %d\n", fan53880_regulators[i].name, ret); return ret; } } return 0; } static const struct of_device_id fan53880_dt_ids[] = { { .compatible = "onnn,fan53880", }, {} }; MODULE_DEVICE_TABLE(of, fan53880_dt_ids); static const struct i2c_device_id fan53880_i2c_id[] = { { "fan53880", }, {} }; MODULE_DEVICE_TABLE(i2c, fan53880_i2c_id); static struct i2c_driver fan53880_regulator_driver = { .driver = { .name = "fan53880", .of_match_table = fan53880_dt_ids, }, .probe_new = fan53880_i2c_probe, .id_table = fan53880_i2c_id, }; module_i2c_driver(fan53880_regulator_driver); MODULE_DESCRIPTION("FAN53880 PMIC voltage regulator driver"); MODULE_AUTHOR("Christoph Fritz <chf.fritz@googlemail.com>"); MODULE_LICENSE("GPL");
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