| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jerome Neanne | 3022 | 99.97% | 2 | 66.67% |
| Rob Herring | 1 | 0.03% | 1 | 33.33% |
| Total | 3023 | 3 |
// SPDX-License-Identifier: GPL-2.0 // // Regulator driver for tps6594 PMIC // // Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/ #include <linux/device.h> #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> #include <linux/mfd/tps6594.h> #define BUCK_NB 5 #define LDO_NB 4 #define MULTI_PHASE_NB 4 #define REGS_INT_NB 4 enum tps6594_regulator_id { /* DCDC's */ TPS6594_BUCK_1, TPS6594_BUCK_2, TPS6594_BUCK_3, TPS6594_BUCK_4, TPS6594_BUCK_5, /* LDOs */ TPS6594_LDO_1, TPS6594_LDO_2, TPS6594_LDO_3, TPS6594_LDO_4, }; enum tps6594_multi_regulator_id { /* Multi-phase DCDC's */ TPS6594_BUCK_12, TPS6594_BUCK_34, TPS6594_BUCK_123, TPS6594_BUCK_1234, }; struct tps6594_regulator_irq_type { const char *irq_name; const char *regulator_name; const char *event_name; unsigned long event; }; static struct tps6594_regulator_irq_type tps6594_ext_regulator_irq_types[] = { { TPS6594_IRQ_NAME_VCCA_OV, "VCCA", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_VCCA_UV, "VCCA", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_VMON1_OV, "VMON1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_VMON1_UV, "VMON1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_VMON1_RV, "VMON1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_VMON2_OV, "VMON2", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_VMON2_UV, "VMON2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_VMON2_RV, "VMON2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, }; struct tps6594_regulator_irq_data { struct device *dev; struct tps6594_regulator_irq_type *type; struct regulator_dev *rdev; }; struct tps6594_ext_regulator_irq_data { struct device *dev; struct tps6594_regulator_irq_type *type; }; #define TPS6594_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \ _em, _cr, _cm, _lr, _nlr, _delay, _fuv, \ _ct, _ncl, _bpm) \ { \ .name = _name, \ .of_match = _of, \ .regulators_node = of_match_ptr("regulators"), \ .supply_name = _of, \ .id = _id, \ .ops = &(_ops), \ .n_voltages = _n, \ .type = _type, \ .owner = THIS_MODULE, \ .vsel_reg = _vr, \ .vsel_mask = _vm, \ .csel_reg = _cr, \ .csel_mask = _cm, \ .curr_table = _ct, \ .n_current_limits = _ncl, \ .enable_reg = _er, \ .enable_mask = _em, \ .volt_table = NULL, \ .linear_ranges = _lr, \ .n_linear_ranges = _nlr, \ .ramp_delay = _delay, \ .fixed_uV = _fuv, \ .bypass_reg = _vr, \ .bypass_mask = _bpm, \ } \ static const struct linear_range bucks_ranges[] = { REGULATOR_LINEAR_RANGE(300000, 0x0, 0xe, 20000), REGULATOR_LINEAR_RANGE(600000, 0xf, 0x72, 5000), REGULATOR_LINEAR_RANGE(1100000, 0x73, 0xaa, 10000), REGULATOR_LINEAR_RANGE(1660000, 0xab, 0xff, 20000), }; static const struct linear_range ldos_1_2_3_ranges[] = { REGULATOR_LINEAR_RANGE(600000, 0x4, 0x3a, 50000), }; static const struct linear_range ldos_4_ranges[] = { REGULATOR_LINEAR_RANGE(1200000, 0x20, 0x74, 25000), }; /* Operations permitted on BUCK1/2/3/4/5 */ static const struct regulator_ops tps6594_bucks_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_linear_range, .map_voltage = regulator_map_voltage_linear_range, .set_voltage_time_sel = regulator_set_voltage_time_sel, }; /* Operations permitted on LDO1/2/3 */ static const struct regulator_ops tps6594_ldos_1_2_3_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_linear_range, .map_voltage = regulator_map_voltage_linear_range, .set_bypass = regulator_set_bypass_regmap, .get_bypass = regulator_get_bypass_regmap, }; /* Operations permitted on LDO4 */ static const struct regulator_ops tps6594_ldos_4_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_linear_range, .map_voltage = regulator_map_voltage_linear_range, }; static const struct regulator_desc buck_regs[] = { TPS6594_REGULATOR("BUCK1", "buck1", TPS6594_BUCK_1, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(0), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(0), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 0, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK2", "buck2", TPS6594_BUCK_2, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(1), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(1), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 0, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK3", "buck3", TPS6594_BUCK_3, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(2), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(2), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 0, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK4", "buck4", TPS6594_BUCK_4, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(3), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(3), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 0, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK5", "buck5", TPS6594_BUCK_5, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(4), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(4), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 0, 0, NULL, 0, 0), }; static struct tps6594_regulator_irq_type tps6594_buck1_irq_types[] = { { TPS6594_IRQ_NAME_BUCK1_OV, "BUCK1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK1_UV, "BUCK1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK1_SC, "BUCK1", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_BUCK1_ILIM, "BUCK1", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type tps6594_buck2_irq_types[] = { { TPS6594_IRQ_NAME_BUCK2_OV, "BUCK2", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK2_UV, "BUCK2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK2_SC, "BUCK2", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_BUCK2_ILIM, "BUCK2", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type tps6594_buck3_irq_types[] = { { TPS6594_IRQ_NAME_BUCK3_OV, "BUCK3", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK3_UV, "BUCK3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK3_SC, "BUCK3", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_BUCK3_ILIM, "BUCK3", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type tps6594_buck4_irq_types[] = { { TPS6594_IRQ_NAME_BUCK4_OV, "BUCK4", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK4_UV, "BUCK4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK4_SC, "BUCK4", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_BUCK4_ILIM, "BUCK4", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type tps6594_buck5_irq_types[] = { { TPS6594_IRQ_NAME_BUCK5_OV, "BUCK5", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK5_UV, "BUCK5", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK5_SC, "BUCK5", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_BUCK5_ILIM, "BUCK5", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type tps6594_ldo1_irq_types[] = { { TPS6594_IRQ_NAME_LDO1_OV, "LDO1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO1_UV, "LDO1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO1_SC, "LDO1", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_LDO1_ILIM, "LDO1", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type tps6594_ldo2_irq_types[] = { { TPS6594_IRQ_NAME_LDO2_OV, "LDO2", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO2_UV, "LDO2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO2_SC, "LDO2", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_LDO2_ILIM, "LDO2", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type tps6594_ldo3_irq_types[] = { { TPS6594_IRQ_NAME_LDO3_OV, "LDO3", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO3_UV, "LDO3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO3_SC, "LDO3", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_LDO3_ILIM, "LDO3", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type tps6594_ldo4_irq_types[] = { { TPS6594_IRQ_NAME_LDO4_OV, "LDO4", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO4_UV, "LDO4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO4_SC, "LDO4", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, { TPS6594_IRQ_NAME_LDO4_ILIM, "LDO4", "reach ilim, overcurrent", REGULATOR_EVENT_OVER_CURRENT }, }; static struct tps6594_regulator_irq_type *tps6594_bucks_irq_types[] = { tps6594_buck1_irq_types, tps6594_buck2_irq_types, tps6594_buck3_irq_types, tps6594_buck4_irq_types, tps6594_buck5_irq_types, }; static struct tps6594_regulator_irq_type *tps6594_ldos_irq_types[] = { tps6594_ldo1_irq_types, tps6594_ldo2_irq_types, tps6594_ldo3_irq_types, tps6594_ldo4_irq_types, }; static const struct regulator_desc multi_regs[] = { TPS6594_REGULATOR("BUCK12", "buck12", TPS6594_BUCK_1, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(1), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(1), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 4000, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK34", "buck34", TPS6594_BUCK_3, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(3), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(3), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 0, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK123", "buck123", TPS6594_BUCK_1, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(1), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(1), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 4000, 0, NULL, 0, 0), TPS6594_REGULATOR("BUCK1234", "buck1234", TPS6594_BUCK_1, REGULATOR_VOLTAGE, tps6594_bucks_ops, TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_VOUT_1(1), TPS6594_MASK_BUCKS_VSET, TPS6594_REG_BUCKX_CTRL(1), TPS6594_BIT_BUCK_EN, 0, 0, bucks_ranges, 4, 4000, 0, NULL, 0, 0), }; static const struct regulator_desc ldo_regs[] = { TPS6594_REGULATOR("LDO1", "ldo1", TPS6594_LDO_1, REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET, TPS6594_REG_LDOX_VOUT(0), TPS6594_MASK_LDO123_VSET, TPS6594_REG_LDOX_CTRL(0), TPS6594_BIT_LDO_EN, 0, 0, ldos_1_2_3_ranges, 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS), TPS6594_REGULATOR("LDO2", "ldo2", TPS6594_LDO_2, REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET, TPS6594_REG_LDOX_VOUT(1), TPS6594_MASK_LDO123_VSET, TPS6594_REG_LDOX_CTRL(1), TPS6594_BIT_LDO_EN, 0, 0, ldos_1_2_3_ranges, 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS), TPS6594_REGULATOR("LDO3", "ldo3", TPS6594_LDO_3, REGULATOR_VOLTAGE, tps6594_ldos_1_2_3_ops, TPS6594_MASK_LDO123_VSET, TPS6594_REG_LDOX_VOUT(2), TPS6594_MASK_LDO123_VSET, TPS6594_REG_LDOX_CTRL(2), TPS6594_BIT_LDO_EN, 0, 0, ldos_1_2_3_ranges, 1, 0, 0, NULL, 0, TPS6594_BIT_LDO_BYPASS), TPS6594_REGULATOR("LDO4", "ldo4", TPS6594_LDO_4, REGULATOR_VOLTAGE, tps6594_ldos_4_ops, TPS6594_MASK_LDO4_VSET >> 1, TPS6594_REG_LDOX_VOUT(3), TPS6594_MASK_LDO4_VSET, TPS6594_REG_LDOX_CTRL(3), TPS6594_BIT_LDO_EN, 0, 0, ldos_4_ranges, 1, 0, 0, NULL, 0, 0), }; static irqreturn_t tps6594_regulator_irq_handler(int irq, void *data) { struct tps6594_regulator_irq_data *irq_data = data; if (irq_data->type->event_name[0] == '\0') { /* This is the timeout interrupt no specific regulator */ dev_err(irq_data->dev, "System was put in shutdown due to timeout during an active or standby transition.\n"); return IRQ_HANDLED; } dev_err(irq_data->dev, "Error IRQ trap %s for %s\n", irq_data->type->event_name, irq_data->type->regulator_name); regulator_notifier_call_chain(irq_data->rdev, irq_data->type->event, NULL); return IRQ_HANDLED; } static int tps6594_request_reg_irqs(struct platform_device *pdev, struct regulator_dev *rdev, struct tps6594_regulator_irq_data *irq_data, struct tps6594_regulator_irq_type *tps6594_regs_irq_types, int *irq_idx) { struct tps6594_regulator_irq_type *irq_type; struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); int j; int irq; int error; for (j = 0; j < REGS_INT_NB; j++) { irq_type = &tps6594_regs_irq_types[j]; irq = platform_get_irq_byname(pdev, irq_type->irq_name); if (irq < 0) return -EINVAL; irq_data[*irq_idx].dev = tps->dev; irq_data[*irq_idx].type = irq_type; irq_data[*irq_idx].rdev = rdev; error = devm_request_threaded_irq(tps->dev, irq, NULL, tps6594_regulator_irq_handler, IRQF_ONESHOT, irq_type->irq_name, &irq_data[*irq_idx]); if (error) { dev_err(tps->dev, "tps6594 failed to request %s IRQ %d: %d\n", irq_type->irq_name, irq, error); return error; } (*irq_idx)++; } return 0; } static int tps6594_regulator_probe(struct platform_device *pdev) { struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); struct regulator_dev *rdev; struct device_node *np = NULL; struct device_node *np_pmic_parent = NULL; struct regulator_config config = {}; struct tps6594_regulator_irq_data *irq_data; struct tps6594_ext_regulator_irq_data *irq_ext_reg_data; struct tps6594_regulator_irq_type *irq_type; u8 buck_configured[BUCK_NB] = { 0 }; u8 buck_multi[MULTI_PHASE_NB] = { 0 }; static const char * const multiphases[] = {"buck12", "buck123", "buck1234", "buck34"}; static const char *npname; int error, i, irq, multi, delta; int irq_idx = 0; int buck_idx = 0; size_t ext_reg_irq_nb = 2; size_t reg_irq_nb; enum { MULTI_BUCK12, MULTI_BUCK123, MULTI_BUCK1234, MULTI_BUCK12_34, MULTI_FIRST = MULTI_BUCK12, MULTI_LAST = MULTI_BUCK12_34, MULTI_NUM = MULTI_LAST - MULTI_FIRST + 1 }; config.dev = tps->dev; config.driver_data = tps; config.regmap = tps->regmap; /* * Switch case defines different possible multi phase config * This is based on dts buck node name. * Buck node name must be chosen accordingly. * Default case is no Multiphase buck. * In case of Multiphase configuration, value should be defined for * buck_configured to avoid creating bucks for every buck in multiphase */ for (multi = MULTI_FIRST; multi < MULTI_NUM; multi++) { np = of_find_node_by_name(tps->dev->of_node, multiphases[multi]); npname = of_node_full_name(np); np_pmic_parent = of_get_parent(of_get_parent(np)); if (of_node_cmp(of_node_full_name(np_pmic_parent), tps->dev->of_node->full_name)) continue; delta = strcmp(npname, multiphases[multi]); if (!delta) { switch (multi) { case MULTI_BUCK12: buck_multi[0] = 1; buck_configured[0] = 1; buck_configured[1] = 1; break; /* multiphase buck34 is supported only with buck12 */ case MULTI_BUCK12_34: buck_multi[0] = 1; buck_multi[1] = 1; buck_configured[0] = 1; buck_configured[1] = 1; buck_configured[2] = 1; buck_configured[3] = 1; break; case MULTI_BUCK123: buck_multi[2] = 1; buck_configured[0] = 1; buck_configured[1] = 1; buck_configured[2] = 1; break; case MULTI_BUCK1234: buck_multi[3] = 1; buck_configured[0] = 1; buck_configured[1] = 1; buck_configured[2] = 1; buck_configured[3] = 1; break; } } } if (tps->chip_id == LP8764) { /* There is only 4 buck on LP8764 */ buck_configured[4] = 1; reg_irq_nb = size_mul(REGS_INT_NB, (BUCK_NB - 1)); } else { reg_irq_nb = size_mul(REGS_INT_NB, (size_add(BUCK_NB, LDO_NB))); } irq_data = devm_kmalloc_array(tps->dev, reg_irq_nb, sizeof(struct tps6594_regulator_irq_data), GFP_KERNEL); if (!irq_data) return -ENOMEM; for (i = 0; i < MULTI_PHASE_NB; i++) { if (buck_multi[i] == 0) continue; rdev = devm_regulator_register(&pdev->dev, &multi_regs[i], &config); if (IS_ERR(rdev)) return dev_err_probe(tps->dev, PTR_ERR(rdev), "failed to register %s regulator\n", pdev->name); /* config multiphase buck12+buck34 */ if (i == 1) buck_idx = 2; error = tps6594_request_reg_irqs(pdev, rdev, irq_data, tps6594_bucks_irq_types[buck_idx], &irq_idx); if (error) return error; error = tps6594_request_reg_irqs(pdev, rdev, irq_data, tps6594_bucks_irq_types[buck_idx + 1], &irq_idx); if (error) return error; if (i == 2 || i == 3) { error = tps6594_request_reg_irqs(pdev, rdev, irq_data, tps6594_bucks_irq_types[buck_idx + 2], &irq_idx); if (error) return error; } if (i == 3) { error = tps6594_request_reg_irqs(pdev, rdev, irq_data, tps6594_bucks_irq_types[buck_idx + 3], &irq_idx); if (error) return error; } } for (i = 0; i < BUCK_NB; i++) { if (buck_configured[i] == 1) continue; rdev = devm_regulator_register(&pdev->dev, &buck_regs[i], &config); if (IS_ERR(rdev)) return dev_err_probe(tps->dev, PTR_ERR(rdev), "failed to register %s regulator\n", pdev->name); error = tps6594_request_reg_irqs(pdev, rdev, irq_data, tps6594_bucks_irq_types[i], &irq_idx); if (error) return error; } /* LP8764 dosen't have LDO */ if (tps->chip_id != LP8764) { for (i = 0; i < ARRAY_SIZE(ldo_regs); i++) { rdev = devm_regulator_register(&pdev->dev, &ldo_regs[i], &config); if (IS_ERR(rdev)) return dev_err_probe(tps->dev, PTR_ERR(rdev), "failed to register %s regulator\n", pdev->name); error = tps6594_request_reg_irqs(pdev, rdev, irq_data, tps6594_ldos_irq_types[i], &irq_idx); if (error) return error; } } if (tps->chip_id == LP8764) ext_reg_irq_nb = ARRAY_SIZE(tps6594_ext_regulator_irq_types); irq_ext_reg_data = devm_kmalloc_array(tps->dev, ext_reg_irq_nb, sizeof(struct tps6594_ext_regulator_irq_data), GFP_KERNEL); if (!irq_ext_reg_data) return -ENOMEM; for (i = 0; i < ext_reg_irq_nb; ++i) { irq_type = &tps6594_ext_regulator_irq_types[i]; irq = platform_get_irq_byname(pdev, irq_type->irq_name); if (irq < 0) return -EINVAL; irq_ext_reg_data[i].dev = tps->dev; irq_ext_reg_data[i].type = irq_type; error = devm_request_threaded_irq(tps->dev, irq, NULL, tps6594_regulator_irq_handler, IRQF_ONESHOT, irq_type->irq_name, &irq_ext_reg_data[i]); if (error) return dev_err_probe(tps->dev, error, "failed to request %s IRQ %d\n", irq_type->irq_name, irq); } return 0; } static struct platform_driver tps6594_regulator_driver = { .driver = { .name = "tps6594-regulator", }, .probe = tps6594_regulator_probe, }; module_platform_driver(tps6594_regulator_driver); MODULE_ALIAS("platform:tps6594-regulator"); MODULE_AUTHOR("Jerome Neanne <jneanne@baylibre.com>"); MODULE_DESCRIPTION("TPS6594 voltage regulator driver"); MODULE_LICENSE("GPL");
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