| // 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"); |
