| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| AnilKumar Chimata | 667 | 54.63% | 4 | 15.38% |
| Axel Lin | 304 | 24.90% | 10 | 38.46% |
| Russ Dill | 170 | 13.92% | 1 | 3.85% |
| Mark Brown | 40 | 3.28% | 3 | 11.54% |
| Anton Vasilyev | 11 | 0.90% | 1 | 3.85% |
| Lee Jones | 9 | 0.74% | 2 | 7.69% |
| Sachin Kamat | 8 | 0.66% | 1 | 3.85% |
| Doug Anderson | 5 | 0.41% | 1 | 3.85% |
| Kees Cook | 3 | 0.25% | 1 | 3.85% |
| Thomas Gleixner | 2 | 0.16% | 1 | 3.85% |
| Matti Vaittinen | 2 | 0.16% | 1 | 3.85% |
| Total | 1221 | 26 |
// SPDX-License-Identifier: GPL-2.0-only /* * tps65217-regulator.c * * Regulator driver for TPS65217 PMIC * * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/device.h> #include <linux/init.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/regulator/of_regulator.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/mfd/tps65217.h> #define TPS65217_REGULATOR(_name, _id, _of_match, _ops, _n, _vr, _vm, _em, \ _t, _lr, _nlr, _sr, _sm) \ { \ .name = _name, \ .id = _id, \ .of_match = of_match_ptr(_of_match), \ .regulators_node= of_match_ptr("regulators"), \ .ops = &_ops, \ .n_voltages = _n, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .vsel_reg = _vr, \ .vsel_mask = _vm, \ .enable_reg = TPS65217_REG_ENABLE, \ .enable_mask = _em, \ .volt_table = _t, \ .linear_ranges = _lr, \ .n_linear_ranges = _nlr, \ .bypass_reg = _sr, \ .bypass_mask = _sm, \ } \ static const unsigned int LDO1_VSEL_table[] = { 1000000, 1100000, 1200000, 1250000, 1300000, 1350000, 1400000, 1500000, 1600000, 1800000, 2500000, 2750000, 2800000, 3000000, 3100000, 3300000, }; static const struct linear_range tps65217_uv1_ranges[] = { REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000), REGULATOR_LINEAR_RANGE(1550000, 25, 52, 50000), REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000), REGULATOR_LINEAR_RANGE(3300000, 56, 63, 0), }; static const struct linear_range tps65217_uv2_ranges[] = { REGULATOR_LINEAR_RANGE(1500000, 0, 8, 50000), REGULATOR_LINEAR_RANGE(2000000, 9, 13, 100000), REGULATOR_LINEAR_RANGE(2450000, 14, 31, 50000), }; static int tps65217_pmic_enable(struct regulator_dev *dev) { struct tps65217 *tps = rdev_get_drvdata(dev); int rid = rdev_get_id(dev); if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4) return -EINVAL; /* Enable the regulator and password protection is level 1 */ return tps65217_set_bits(tps, TPS65217_REG_ENABLE, dev->desc->enable_mask, dev->desc->enable_mask, TPS65217_PROTECT_L1); } static int tps65217_pmic_disable(struct regulator_dev *dev) { struct tps65217 *tps = rdev_get_drvdata(dev); int rid = rdev_get_id(dev); if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4) return -EINVAL; /* Disable the regulator and password protection is level 1 */ return tps65217_clear_bits(tps, TPS65217_REG_ENABLE, dev->desc->enable_mask, TPS65217_PROTECT_L1); } static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev, unsigned selector) { int ret; struct tps65217 *tps = rdev_get_drvdata(dev); unsigned int rid = rdev_get_id(dev); /* Set the voltage based on vsel value and write protect level is 2 */ ret = tps65217_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask, selector, TPS65217_PROTECT_L2); /* Set GO bit for DCDCx to initiate voltage transistion */ switch (rid) { case TPS65217_DCDC_1 ... TPS65217_DCDC_3: ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW, TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO, TPS65217_PROTECT_L2); break; } return ret; } static int tps65217_pmic_set_suspend_enable(struct regulator_dev *dev) { struct tps65217 *tps = rdev_get_drvdata(dev); unsigned int rid = rdev_get_id(dev); if (rid > TPS65217_LDO_4) return -EINVAL; return tps65217_clear_bits(tps, dev->desc->bypass_reg, dev->desc->bypass_mask, TPS65217_PROTECT_L1); } static int tps65217_pmic_set_suspend_disable(struct regulator_dev *dev) { struct tps65217 *tps = rdev_get_drvdata(dev); unsigned int rid = rdev_get_id(dev); if (rid > TPS65217_LDO_4) return -EINVAL; if (!tps->strobes[rid]) return -EINVAL; return tps65217_set_bits(tps, dev->desc->bypass_reg, dev->desc->bypass_mask, tps->strobes[rid], TPS65217_PROTECT_L1); } /* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */ static const struct regulator_ops tps65217_pmic_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = tps65217_pmic_enable, .disable = tps65217_pmic_disable, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = tps65217_pmic_set_voltage_sel, .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, .set_suspend_enable = tps65217_pmic_set_suspend_enable, .set_suspend_disable = tps65217_pmic_set_suspend_disable, }; /* Operations permitted on LDO1 */ static const struct regulator_ops tps65217_pmic_ldo1_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = tps65217_pmic_enable, .disable = tps65217_pmic_disable, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = tps65217_pmic_set_voltage_sel, .list_voltage = regulator_list_voltage_table, .map_voltage = regulator_map_voltage_ascend, .set_suspend_enable = tps65217_pmic_set_suspend_enable, .set_suspend_disable = tps65217_pmic_set_suspend_disable, }; static const struct regulator_desc regulators[] = { TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, "dcdc1", tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC1_EN, NULL, tps65217_uv1_ranges, ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1, TPS65217_SEQ1_DC1_SEQ_MASK), TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, "dcdc2", tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC2_EN, NULL, tps65217_uv1_ranges, ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1, TPS65217_SEQ1_DC2_SEQ_MASK), TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, "dcdc3", tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC3_EN, NULL, tps65217_uv1_ranges, ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ2, TPS65217_SEQ2_DC3_SEQ_MASK), TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, "ldo1", tps65217_pmic_ldo1_ops, 16, TPS65217_REG_DEFLDO1, TPS65217_DEFLDO1_LDO1_MASK, TPS65217_ENABLE_LDO1_EN, LDO1_VSEL_table, NULL, 0, TPS65217_REG_SEQ2, TPS65217_SEQ2_LDO1_SEQ_MASK), TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, "ldo2", tps65217_pmic_ops, 64, TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK, TPS65217_ENABLE_LDO2_EN, NULL, tps65217_uv1_ranges, ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ3, TPS65217_SEQ3_LDO2_SEQ_MASK), TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, "ldo3", tps65217_pmic_ops, 32, TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK, TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN, NULL, tps65217_uv2_ranges, ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ3, TPS65217_SEQ3_LDO3_SEQ_MASK), TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, "ldo4", tps65217_pmic_ops, 32, TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK, TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN, NULL, tps65217_uv2_ranges, ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ4, TPS65217_SEQ4_LDO4_SEQ_MASK), }; static int tps65217_regulator_probe(struct platform_device *pdev) { struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent); struct tps65217_board *pdata = dev_get_platdata(tps->dev); struct regulator_dev *rdev; struct regulator_config config = { }; int i, ret; unsigned int val; /* Allocate memory for strobes */ tps->strobes = devm_kcalloc(&pdev->dev, TPS65217_NUM_REGULATOR, sizeof(u8), GFP_KERNEL); if (!tps->strobes) return -ENOMEM; platform_set_drvdata(pdev, tps); for (i = 0; i < TPS65217_NUM_REGULATOR; i++) { /* Register the regulators */ config.dev = tps->dev; if (pdata) config.init_data = pdata->tps65217_init_data[i]; config.driver_data = tps; config.regmap = tps->regmap; rdev = devm_regulator_register(&pdev->dev, ®ulators[i], &config); if (IS_ERR(rdev)) { dev_err(tps->dev, "failed to register %s regulator\n", pdev->name); return PTR_ERR(rdev); } /* Store default strobe info */ ret = tps65217_reg_read(tps, regulators[i].bypass_reg, &val); if (ret) return ret; tps->strobes[i] = val & regulators[i].bypass_mask; } return 0; } static struct platform_driver tps65217_regulator_driver = { .driver = { .name = "tps65217-pmic", .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = tps65217_regulator_probe, }; static int __init tps65217_regulator_init(void) { return platform_driver_register(&tps65217_regulator_driver); } subsys_initcall(tps65217_regulator_init); static void __exit tps65217_regulator_exit(void) { platform_driver_unregister(&tps65217_regulator_driver); } module_exit(tps65217_regulator_exit); MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>"); MODULE_DESCRIPTION("TPS65217 voltage regulator driver"); MODULE_ALIAS("platform:tps65217-pmic"); MODULE_LICENSE("GPL v2");
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