| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Cristian Ciocaltea | 1457 | 98.11% | 1 | 14.29% |
| Axel Lin | 17 | 1.14% | 2 | 28.57% |
| Doug Anderson | 5 | 0.34% | 1 | 14.29% |
| Kunihiko Hayashi | 3 | 0.20% | 1 | 14.29% |
| Chen-Yu Tsai | 2 | 0.13% | 1 | 14.29% |
| Rob Herring | 1 | 0.07% | 1 | 14.29% |
| Total | 1485 | 7 |
// SPDX-License-Identifier: GPL-2.0+ // // Regulator driver for ATC260x PMICs // // Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> // Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com> #include <linux/mfd/atc260x/core.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> struct atc260x_regulator_data { int voltage_time_dcdc; int voltage_time_ldo; }; static const struct linear_range atc2603c_dcdc_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(1300000, 0, 13, 50000), REGULATOR_LINEAR_RANGE(1950000, 14, 15, 100000), }; static const struct linear_range atc2609a_dcdc_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(600000, 0, 127, 6250), REGULATOR_LINEAR_RANGE(1400000, 128, 232, 25000), }; static const struct linear_range atc2609a_ldo_voltage_ranges0[] = { REGULATOR_LINEAR_RANGE(700000, 0, 15, 100000), REGULATOR_LINEAR_RANGE(2100000, 0, 12, 100000), }; static const struct linear_range atc2609a_ldo_voltage_ranges1[] = { REGULATOR_LINEAR_RANGE(850000, 0, 15, 100000), REGULATOR_LINEAR_RANGE(2100000, 0, 11, 100000), }; static const unsigned int atc260x_ldo_voltage_range_sel[] = { 0x0, 0x1, }; static int atc260x_dcdc_set_voltage_time_sel(struct regulator_dev *rdev, unsigned int old_selector, unsigned int new_selector) { struct atc260x_regulator_data *data = rdev_get_drvdata(rdev); if (new_selector > old_selector) return data->voltage_time_dcdc; return 0; } static int atc260x_ldo_set_voltage_time_sel(struct regulator_dev *rdev, unsigned int old_selector, unsigned int new_selector) { struct atc260x_regulator_data *data = rdev_get_drvdata(rdev); if (new_selector > old_selector) return data->voltage_time_ldo; return 0; } static const struct regulator_ops atc260x_dcdc_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_linear, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel, }; static const struct regulator_ops atc260x_ldo_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_linear, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, }; static const struct regulator_ops atc260x_ldo_bypass_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_linear, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, .set_bypass = regulator_set_bypass_regmap, .get_bypass = regulator_get_bypass_regmap, }; static const struct regulator_ops atc260x_ldo_bypass_discharge_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_linear, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, .set_bypass = regulator_set_bypass_regmap, .get_bypass = regulator_get_bypass_regmap, .set_active_discharge = regulator_set_active_discharge_regmap, }; static const struct regulator_ops atc260x_dcdc_range_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_linear_range, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel, }; static const struct regulator_ops atc260x_ldo_range_pick_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_pickable_linear_range, .set_voltage_sel = regulator_set_voltage_sel_pickable_regmap, .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, }; static const struct regulator_ops atc260x_dcdc_fixed_ops = { .list_voltage = regulator_list_voltage_linear, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel, }; static const struct regulator_ops atc260x_ldo_fixed_ops = { .list_voltage = regulator_list_voltage_linear, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, }; static const struct regulator_ops atc260x_no_ops = { }; /* * Note LDO8 is not documented in datasheet (v2.4), but supported * in the vendor's driver implementation (xapp-le-kernel). */ enum atc2603c_reg_ids { ATC2603C_ID_DCDC1, ATC2603C_ID_DCDC2, ATC2603C_ID_DCDC3, ATC2603C_ID_LDO1, ATC2603C_ID_LDO2, ATC2603C_ID_LDO3, ATC2603C_ID_LDO5, ATC2603C_ID_LDO6, ATC2603C_ID_LDO7, ATC2603C_ID_LDO8, ATC2603C_ID_LDO11, ATC2603C_ID_LDO12, ATC2603C_ID_SWITCHLDO1, ATC2603C_ID_MAX, }; #define atc2603c_reg_desc_dcdc(num, min, step, n_volt, vsel_h, vsel_l) { \ .name = "DCDC"#num, \ .supply_name = "dcdc"#num, \ .of_match = of_match_ptr("dcdc"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2603C_ID_DCDC##num, \ .ops = &atc260x_dcdc_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = min, \ .uV_step = step, \ .n_voltages = n_volt, \ .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \ .vsel_mask = GENMASK(vsel_h, vsel_l), \ .enable_reg = ATC2603C_PMU_DC##num##_CTL0, \ .enable_mask = BIT(15), \ .enable_time = 800, \ .owner = THIS_MODULE, \ } #define atc2603c_reg_desc_dcdc_range(num, vsel_h, vsel_l) { \ .name = "DCDC"#num, \ .supply_name = "dcdc"#num, \ .of_match = of_match_ptr("dcdc"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2603C_ID_DCDC##num, \ .ops = &atc260x_dcdc_range_ops, \ .type = REGULATOR_VOLTAGE, \ .n_voltages = 16, \ .linear_ranges = atc2603c_dcdc_voltage_ranges, \ .n_linear_ranges = ARRAY_SIZE(atc2603c_dcdc_voltage_ranges), \ .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \ .vsel_mask = GENMASK(vsel_h, vsel_l), \ .enable_reg = ATC2603C_PMU_DC##num##_CTL0, \ .enable_mask = BIT(15), \ .enable_time = 800, \ .owner = THIS_MODULE, \ } #define atc2603c_reg_desc_dcdc_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \ .name = "DCDC"#num, \ .supply_name = "dcdc"#num, \ .of_match = of_match_ptr("dcdc"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2603C_ID_DCDC##num, \ .ops = &atc260x_dcdc_fixed_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = min, \ .uV_step = step, \ .n_voltages = n_volt, \ .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \ .vsel_mask = GENMASK(vsel_h, vsel_l), \ .enable_time = 800, \ .owner = THIS_MODULE, \ } #define atc2603c_reg_desc_ldo(num, min, step, n_volt, vsel_h, vsel_l) { \ .name = "LDO"#num, \ .supply_name = "ldo"#num, \ .of_match = of_match_ptr("ldo"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2603C_ID_LDO##num, \ .ops = &atc260x_ldo_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = min, \ .uV_step = step, \ .n_voltages = n_volt, \ .vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \ .vsel_mask = GENMASK(vsel_h, vsel_l), \ .enable_reg = ATC2603C_PMU_LDO##num##_CTL, \ .enable_mask = BIT(0), \ .enable_time = 2000, \ .owner = THIS_MODULE, \ } #define atc2603c_reg_desc_ldo_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \ .name = "LDO"#num, \ .supply_name = "ldo"#num, \ .of_match = of_match_ptr("ldo"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2603C_ID_LDO##num, \ .ops = &atc260x_ldo_fixed_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = min, \ .uV_step = step, \ .n_voltages = n_volt, \ .vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \ .vsel_mask = GENMASK(vsel_h, vsel_l), \ .enable_time = 2000, \ .owner = THIS_MODULE, \ } #define atc2603c_reg_desc_ldo_noops(num, vfixed) { \ .name = "LDO"#num, \ .supply_name = "ldo"#num, \ .of_match = of_match_ptr("ldo"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2603C_ID_LDO##num, \ .ops = &atc260x_no_ops, \ .type = REGULATOR_VOLTAGE, \ .fixed_uV = vfixed, \ .n_voltages = 1, \ .owner = THIS_MODULE, \ } #define atc2603c_reg_desc_ldo_switch(num, min, step, n_volt, vsel_h, vsel_l) { \ .name = "SWITCHLDO"#num, \ .supply_name = "switchldo"#num, \ .of_match = of_match_ptr("switchldo"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2603C_ID_SWITCHLDO##num, \ .ops = &atc260x_ldo_bypass_discharge_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = min, \ .uV_step = step, \ .n_voltages = n_volt, \ .vsel_reg = ATC2603C_PMU_SWITCH_CTL, \ .vsel_mask = GENMASK(vsel_h, vsel_l), \ .enable_reg = ATC2603C_PMU_SWITCH_CTL, \ .enable_mask = BIT(15), \ .enable_is_inverted = true, \ .enable_time = 2000, \ .bypass_reg = ATC2603C_PMU_SWITCH_CTL, \ .bypass_mask = BIT(5), \ .active_discharge_reg = ATC2603C_PMU_SWITCH_CTL, \ .active_discharge_mask = BIT(1), \ .active_discharge_on = BIT(1), \ .owner = THIS_MODULE, \ } static const struct regulator_desc atc2603c_reg[] = { atc2603c_reg_desc_dcdc_fixed(1, 700000, 25000, 29, 11, 7), atc2603c_reg_desc_dcdc_range(2, 12, 8), atc2603c_reg_desc_dcdc_fixed(3, 2600000, 100000, 8, 11, 9), atc2603c_reg_desc_ldo_fixed(1, 2600000, 100000, 8, 15, 13), atc2603c_reg_desc_ldo_fixed(2, 2600000, 100000, 8, 15, 13), atc2603c_reg_desc_ldo_fixed(3, 1500000, 100000, 6, 15, 13), atc2603c_reg_desc_ldo(5, 2600000, 100000, 8, 15, 13), atc2603c_reg_desc_ldo_fixed(6, 700000, 25000, 29, 15, 11), atc2603c_reg_desc_ldo(7, 1500000, 100000, 6, 15, 13), atc2603c_reg_desc_ldo(8, 2300000, 100000, 11, 15, 12), atc2603c_reg_desc_ldo_fixed(11, 2600000, 100000, 8, 15, 13), atc2603c_reg_desc_ldo_noops(12, 1800000), atc2603c_reg_desc_ldo_switch(1, 3000000, 100000, 4, 4, 3), }; static const struct regulator_desc atc2603c_reg_dcdc2_ver_b = atc2603c_reg_desc_dcdc(2, 1000000, 50000, 18, 12, 8); enum atc2609a_reg_ids { ATC2609A_ID_DCDC0, ATC2609A_ID_DCDC1, ATC2609A_ID_DCDC2, ATC2609A_ID_DCDC3, ATC2609A_ID_DCDC4, ATC2609A_ID_LDO0, ATC2609A_ID_LDO1, ATC2609A_ID_LDO2, ATC2609A_ID_LDO3, ATC2609A_ID_LDO4, ATC2609A_ID_LDO5, ATC2609A_ID_LDO6, ATC2609A_ID_LDO7, ATC2609A_ID_LDO8, ATC2609A_ID_LDO9, ATC2609A_ID_MAX, }; #define atc2609a_reg_desc_dcdc(num, en_bit) { \ .name = "DCDC"#num, \ .supply_name = "dcdc"#num, \ .of_match = of_match_ptr("dcdc"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2609A_ID_DCDC##num, \ .ops = &atc260x_dcdc_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = 600000, \ .uV_step = 6250, \ .n_voltages = 256, \ .vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \ .vsel_mask = GENMASK(15, 8), \ .enable_reg = ATC2609A_PMU_DC_OSC, \ .enable_mask = BIT(en_bit), \ .enable_time = 800, \ .owner = THIS_MODULE, \ } #define atc2609a_reg_desc_dcdc_range(num, en_bit) { \ .name = "DCDC"#num, \ .supply_name = "dcdc"#num, \ .of_match = of_match_ptr("dcdc"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2609A_ID_DCDC##num, \ .ops = &atc260x_dcdc_range_ops, \ .type = REGULATOR_VOLTAGE, \ .n_voltages = 233, \ .linear_ranges = atc2609a_dcdc_voltage_ranges, \ .n_linear_ranges = ARRAY_SIZE(atc2609a_dcdc_voltage_ranges), \ .vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \ .vsel_mask = GENMASK(15, 8), \ .enable_reg = ATC2609A_PMU_DC_OSC, \ .enable_mask = BIT(en_bit), \ .enable_time = 800, \ .owner = THIS_MODULE, \ } #define atc2609a_reg_desc_ldo(num) { \ .name = "LDO"#num, \ .supply_name = "ldo"#num, \ .of_match = of_match_ptr("ldo"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2609A_ID_LDO##num, \ .ops = &atc260x_ldo_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = 700000, \ .uV_step = 100000, \ .n_voltages = 16, \ .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \ .vsel_mask = GENMASK(4, 1), \ .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \ .enable_mask = BIT(0), \ .enable_time = 2000, \ .owner = THIS_MODULE, \ } #define atc2609a_reg_desc_ldo_bypass(num) { \ .name = "LDO"#num, \ .supply_name = "ldo"#num, \ .of_match = of_match_ptr("ldo"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2609A_ID_LDO##num, \ .ops = &atc260x_ldo_bypass_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = 2300000, \ .uV_step = 100000, \ .n_voltages = 12, \ .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \ .vsel_mask = GENMASK(5, 2), \ .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \ .enable_mask = BIT(0), \ .enable_time = 2000, \ .bypass_reg = ATC2609A_PMU_LDO##num##_CTL0, \ .bypass_mask = BIT(1), \ .owner = THIS_MODULE, \ } #define atc2609a_reg_desc_ldo_range_pick(num, n_range, n_volt) { \ .name = "LDO"#num, \ .supply_name = "ldo"#num, \ .of_match = of_match_ptr("ldo"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2609A_ID_LDO##num, \ .ops = &atc260x_ldo_range_pick_ops, \ .type = REGULATOR_VOLTAGE, \ .linear_ranges = atc2609a_ldo_voltage_ranges##n_range, \ .n_linear_ranges = ARRAY_SIZE(atc2609a_ldo_voltage_ranges##n_range), \ .n_voltages = n_volt, \ .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \ .vsel_mask = GENMASK(4, 1), \ .vsel_range_reg = ATC2609A_PMU_LDO##num##_CTL0, \ .vsel_range_mask = BIT(5), \ .linear_range_selectors_bitfield = atc260x_ldo_voltage_range_sel, \ .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \ .enable_mask = BIT(0), \ .enable_time = 2000, \ .owner = THIS_MODULE, \ } #define atc2609a_reg_desc_ldo_fixed(num) { \ .name = "LDO"#num, \ .supply_name = "ldo"#num, \ .of_match = of_match_ptr("ldo"#num), \ .regulators_node = of_match_ptr("regulators"), \ .id = ATC2609A_ID_LDO##num, \ .ops = &atc260x_ldo_fixed_ops, \ .type = REGULATOR_VOLTAGE, \ .min_uV = 2600000, \ .uV_step = 100000, \ .n_voltages = 8, \ .vsel_reg = ATC2609A_PMU_LDO##num##_CTL, \ .vsel_mask = GENMASK(15, 13), \ .enable_time = 2000, \ .owner = THIS_MODULE, \ } static const struct regulator_desc atc2609a_reg[] = { atc2609a_reg_desc_dcdc(0, 4), atc2609a_reg_desc_dcdc(1, 5), atc2609a_reg_desc_dcdc(2, 6), atc2609a_reg_desc_dcdc_range(3, 7), atc2609a_reg_desc_dcdc(4, 8), atc2609a_reg_desc_ldo_bypass(0), atc2609a_reg_desc_ldo_bypass(1), atc2609a_reg_desc_ldo_bypass(2), atc2609a_reg_desc_ldo_range_pick(3, 0, 29), atc2609a_reg_desc_ldo_range_pick(4, 0, 29), atc2609a_reg_desc_ldo(5), atc2609a_reg_desc_ldo_range_pick(6, 1, 28), atc2609a_reg_desc_ldo_range_pick(7, 0, 29), atc2609a_reg_desc_ldo_range_pick(8, 0, 29), atc2609a_reg_desc_ldo_fixed(9), }; static int atc260x_regulator_probe(struct platform_device *pdev) { struct atc260x *atc260x = dev_get_drvdata(pdev->dev.parent); struct device *dev = atc260x->dev; struct atc260x_regulator_data *atc260x_data; struct regulator_config config = {}; struct regulator_dev *atc260x_rdev; const struct regulator_desc *regulators; bool atc2603c_ver_b = false; int i, nregulators; atc260x_data = devm_kzalloc(&pdev->dev, sizeof(*atc260x_data), GFP_KERNEL); if (!atc260x_data) return -ENOMEM; atc260x_data->voltage_time_dcdc = 350; atc260x_data->voltage_time_ldo = 800; switch (atc260x->ic_type) { case ATC2603C: regulators = atc2603c_reg; nregulators = ATC2603C_ID_MAX; atc2603c_ver_b = atc260x->ic_ver == ATC260X_B; break; case ATC2609A: atc260x_data->voltage_time_dcdc = 250; regulators = atc2609a_reg; nregulators = ATC2609A_ID_MAX; break; default: dev_err(dev, "unsupported ATC260X ID %d\n", atc260x->ic_type); return -EINVAL; } config.dev = dev; config.regmap = atc260x->regmap; config.driver_data = atc260x_data; /* Instantiate the regulators */ for (i = 0; i < nregulators; i++) { if (atc2603c_ver_b && regulators[i].id == ATC2603C_ID_DCDC2) atc260x_rdev = devm_regulator_register(&pdev->dev, &atc2603c_reg_dcdc2_ver_b, &config); else atc260x_rdev = devm_regulator_register(&pdev->dev, ®ulators[i], &config); if (IS_ERR(atc260x_rdev)) { dev_err(dev, "failed to register regulator: %d\n", i); return PTR_ERR(atc260x_rdev); } } return 0; } static struct platform_driver atc260x_regulator_driver = { .probe = atc260x_regulator_probe, .driver = { .name = "atc260x-regulator", .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, }; module_platform_driver(atc260x_regulator_driver); MODULE_DESCRIPTION("Regulator driver for ATC260x PMICs"); MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>"); MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>"); MODULE_LICENSE("GPL");
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