13b15ccacSCristian Ciocaltea // SPDX-License-Identifier: GPL-2.0+
23b15ccacSCristian Ciocaltea //
33b15ccacSCristian Ciocaltea // Regulator driver for ATC260x PMICs
43b15ccacSCristian Ciocaltea //
53b15ccacSCristian Ciocaltea // Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
63b15ccacSCristian Ciocaltea // Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
73b15ccacSCristian Ciocaltea
83b15ccacSCristian Ciocaltea #include <linux/mfd/atc260x/core.h>
93b15ccacSCristian Ciocaltea #include <linux/module.h>
10045a44d4SRob Herring #include <linux/of.h>
11045a44d4SRob Herring #include <linux/platform_device.h>
123b15ccacSCristian Ciocaltea #include <linux/regmap.h>
133b15ccacSCristian Ciocaltea #include <linux/regulator/driver.h>
143b15ccacSCristian Ciocaltea
153b15ccacSCristian Ciocaltea struct atc260x_regulator_data {
163b15ccacSCristian Ciocaltea int voltage_time_dcdc;
173b15ccacSCristian Ciocaltea int voltage_time_ldo;
183b15ccacSCristian Ciocaltea };
193b15ccacSCristian Ciocaltea
203b15ccacSCristian Ciocaltea static const struct linear_range atc2603c_dcdc_voltage_ranges[] = {
213b15ccacSCristian Ciocaltea REGULATOR_LINEAR_RANGE(1300000, 0, 13, 50000),
223b15ccacSCristian Ciocaltea REGULATOR_LINEAR_RANGE(1950000, 14, 15, 100000),
233b15ccacSCristian Ciocaltea };
243b15ccacSCristian Ciocaltea
253b15ccacSCristian Ciocaltea static const struct linear_range atc2609a_dcdc_voltage_ranges[] = {
263b15ccacSCristian Ciocaltea REGULATOR_LINEAR_RANGE(600000, 0, 127, 6250),
273b15ccacSCristian Ciocaltea REGULATOR_LINEAR_RANGE(1400000, 128, 232, 25000),
283b15ccacSCristian Ciocaltea };
293b15ccacSCristian Ciocaltea
303b15ccacSCristian Ciocaltea static const struct linear_range atc2609a_ldo_voltage_ranges0[] = {
313b15ccacSCristian Ciocaltea REGULATOR_LINEAR_RANGE(700000, 0, 15, 100000),
321963fa67SAxel Lin REGULATOR_LINEAR_RANGE(2100000, 0, 12, 100000),
333b15ccacSCristian Ciocaltea };
343b15ccacSCristian Ciocaltea
353b15ccacSCristian Ciocaltea static const struct linear_range atc2609a_ldo_voltage_ranges1[] = {
363b15ccacSCristian Ciocaltea REGULATOR_LINEAR_RANGE(850000, 0, 15, 100000),
371963fa67SAxel Lin REGULATOR_LINEAR_RANGE(2100000, 0, 11, 100000),
383b15ccacSCristian Ciocaltea };
393b15ccacSCristian Ciocaltea
403b15ccacSCristian Ciocaltea static const unsigned int atc260x_ldo_voltage_range_sel[] = {
41*269cb04bSChen-Yu Tsai 0x0, 0x1,
423b15ccacSCristian Ciocaltea };
433b15ccacSCristian Ciocaltea
atc260x_dcdc_set_voltage_time_sel(struct regulator_dev * rdev,unsigned int old_selector,unsigned int new_selector)443b15ccacSCristian Ciocaltea static int atc260x_dcdc_set_voltage_time_sel(struct regulator_dev *rdev,
453b15ccacSCristian Ciocaltea unsigned int old_selector,
463b15ccacSCristian Ciocaltea unsigned int new_selector)
473b15ccacSCristian Ciocaltea {
483b15ccacSCristian Ciocaltea struct atc260x_regulator_data *data = rdev_get_drvdata(rdev);
493b15ccacSCristian Ciocaltea
503b15ccacSCristian Ciocaltea if (new_selector > old_selector)
513b15ccacSCristian Ciocaltea return data->voltage_time_dcdc;
523b15ccacSCristian Ciocaltea
533b15ccacSCristian Ciocaltea return 0;
543b15ccacSCristian Ciocaltea }
553b15ccacSCristian Ciocaltea
atc260x_ldo_set_voltage_time_sel(struct regulator_dev * rdev,unsigned int old_selector,unsigned int new_selector)563b15ccacSCristian Ciocaltea static int atc260x_ldo_set_voltage_time_sel(struct regulator_dev *rdev,
573b15ccacSCristian Ciocaltea unsigned int old_selector,
583b15ccacSCristian Ciocaltea unsigned int new_selector)
593b15ccacSCristian Ciocaltea {
603b15ccacSCristian Ciocaltea struct atc260x_regulator_data *data = rdev_get_drvdata(rdev);
613b15ccacSCristian Ciocaltea
623b15ccacSCristian Ciocaltea if (new_selector > old_selector)
633b15ccacSCristian Ciocaltea return data->voltage_time_ldo;
643b15ccacSCristian Ciocaltea
653b15ccacSCristian Ciocaltea return 0;
663b15ccacSCristian Ciocaltea }
673b15ccacSCristian Ciocaltea
683b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_dcdc_ops = {
693b15ccacSCristian Ciocaltea .enable = regulator_enable_regmap,
703b15ccacSCristian Ciocaltea .disable = regulator_disable_regmap,
713b15ccacSCristian Ciocaltea .is_enabled = regulator_is_enabled_regmap,
723b15ccacSCristian Ciocaltea .list_voltage = regulator_list_voltage_linear,
733b15ccacSCristian Ciocaltea .set_voltage_sel = regulator_set_voltage_sel_regmap,
743b15ccacSCristian Ciocaltea .get_voltage_sel = regulator_get_voltage_sel_regmap,
753b15ccacSCristian Ciocaltea .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
763b15ccacSCristian Ciocaltea };
773b15ccacSCristian Ciocaltea
783b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_ldo_ops = {
793b15ccacSCristian Ciocaltea .enable = regulator_enable_regmap,
803b15ccacSCristian Ciocaltea .disable = regulator_disable_regmap,
813b15ccacSCristian Ciocaltea .is_enabled = regulator_is_enabled_regmap,
823b15ccacSCristian Ciocaltea .list_voltage = regulator_list_voltage_linear,
833b15ccacSCristian Ciocaltea .set_voltage_sel = regulator_set_voltage_sel_regmap,
843b15ccacSCristian Ciocaltea .get_voltage_sel = regulator_get_voltage_sel_regmap,
853b15ccacSCristian Ciocaltea .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
863b15ccacSCristian Ciocaltea };
873b15ccacSCristian Ciocaltea
883b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_ldo_bypass_ops = {
893b15ccacSCristian Ciocaltea .enable = regulator_enable_regmap,
903b15ccacSCristian Ciocaltea .disable = regulator_disable_regmap,
913b15ccacSCristian Ciocaltea .is_enabled = regulator_is_enabled_regmap,
923b15ccacSCristian Ciocaltea .list_voltage = regulator_list_voltage_linear,
933b15ccacSCristian Ciocaltea .set_voltage_sel = regulator_set_voltage_sel_regmap,
943b15ccacSCristian Ciocaltea .get_voltage_sel = regulator_get_voltage_sel_regmap,
953b15ccacSCristian Ciocaltea .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
963b15ccacSCristian Ciocaltea .set_bypass = regulator_set_bypass_regmap,
973b15ccacSCristian Ciocaltea .get_bypass = regulator_get_bypass_regmap,
983b15ccacSCristian Ciocaltea };
993b15ccacSCristian Ciocaltea
1003b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_ldo_bypass_discharge_ops = {
1013b15ccacSCristian Ciocaltea .enable = regulator_enable_regmap,
1023b15ccacSCristian Ciocaltea .disable = regulator_disable_regmap,
1033b15ccacSCristian Ciocaltea .is_enabled = regulator_is_enabled_regmap,
1043b15ccacSCristian Ciocaltea .list_voltage = regulator_list_voltage_linear,
1053b15ccacSCristian Ciocaltea .set_voltage_sel = regulator_set_voltage_sel_regmap,
1063b15ccacSCristian Ciocaltea .get_voltage_sel = regulator_get_voltage_sel_regmap,
1073b15ccacSCristian Ciocaltea .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
1083b15ccacSCristian Ciocaltea .set_bypass = regulator_set_bypass_regmap,
1093b15ccacSCristian Ciocaltea .get_bypass = regulator_get_bypass_regmap,
1103b15ccacSCristian Ciocaltea .set_active_discharge = regulator_set_active_discharge_regmap,
1113b15ccacSCristian Ciocaltea };
1123b15ccacSCristian Ciocaltea
1133b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_dcdc_range_ops = {
1143b15ccacSCristian Ciocaltea .enable = regulator_enable_regmap,
1153b15ccacSCristian Ciocaltea .disable = regulator_disable_regmap,
1163b15ccacSCristian Ciocaltea .is_enabled = regulator_is_enabled_regmap,
1173b15ccacSCristian Ciocaltea .list_voltage = regulator_list_voltage_linear_range,
1183b15ccacSCristian Ciocaltea .set_voltage_sel = regulator_set_voltage_sel_regmap,
1193b15ccacSCristian Ciocaltea .get_voltage_sel = regulator_get_voltage_sel_regmap,
1203b15ccacSCristian Ciocaltea .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
1213b15ccacSCristian Ciocaltea };
1223b15ccacSCristian Ciocaltea
1233b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_ldo_range_pick_ops = {
1243b15ccacSCristian Ciocaltea .enable = regulator_enable_regmap,
1253b15ccacSCristian Ciocaltea .disable = regulator_disable_regmap,
1263b15ccacSCristian Ciocaltea .is_enabled = regulator_is_enabled_regmap,
1273b15ccacSCristian Ciocaltea .list_voltage = regulator_list_voltage_pickable_linear_range,
1283b15ccacSCristian Ciocaltea .set_voltage_sel = regulator_set_voltage_sel_pickable_regmap,
1293b15ccacSCristian Ciocaltea .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
1303b15ccacSCristian Ciocaltea .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
1313b15ccacSCristian Ciocaltea };
1323b15ccacSCristian Ciocaltea
1333b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_dcdc_fixed_ops = {
1343b15ccacSCristian Ciocaltea .list_voltage = regulator_list_voltage_linear,
1353b15ccacSCristian Ciocaltea .set_voltage_sel = regulator_set_voltage_sel_regmap,
1363b15ccacSCristian Ciocaltea .get_voltage_sel = regulator_get_voltage_sel_regmap,
1373b15ccacSCristian Ciocaltea .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
1383b15ccacSCristian Ciocaltea };
1393b15ccacSCristian Ciocaltea
1403b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_ldo_fixed_ops = {
1413b15ccacSCristian Ciocaltea .list_voltage = regulator_list_voltage_linear,
1423b15ccacSCristian Ciocaltea .set_voltage_sel = regulator_set_voltage_sel_regmap,
1433b15ccacSCristian Ciocaltea .get_voltage_sel = regulator_get_voltage_sel_regmap,
1443b15ccacSCristian Ciocaltea .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
1453b15ccacSCristian Ciocaltea };
1463b15ccacSCristian Ciocaltea
1473b15ccacSCristian Ciocaltea static const struct regulator_ops atc260x_no_ops = {
1483b15ccacSCristian Ciocaltea };
1493b15ccacSCristian Ciocaltea
1503b15ccacSCristian Ciocaltea /*
1513b15ccacSCristian Ciocaltea * Note LDO8 is not documented in datasheet (v2.4), but supported
1523b15ccacSCristian Ciocaltea * in the vendor's driver implementation (xapp-le-kernel).
1533b15ccacSCristian Ciocaltea */
1543b15ccacSCristian Ciocaltea enum atc2603c_reg_ids {
1553b15ccacSCristian Ciocaltea ATC2603C_ID_DCDC1,
1563b15ccacSCristian Ciocaltea ATC2603C_ID_DCDC2,
1573b15ccacSCristian Ciocaltea ATC2603C_ID_DCDC3,
1583b15ccacSCristian Ciocaltea ATC2603C_ID_LDO1,
1593b15ccacSCristian Ciocaltea ATC2603C_ID_LDO2,
1603b15ccacSCristian Ciocaltea ATC2603C_ID_LDO3,
1613b15ccacSCristian Ciocaltea ATC2603C_ID_LDO5,
1623b15ccacSCristian Ciocaltea ATC2603C_ID_LDO6,
1633b15ccacSCristian Ciocaltea ATC2603C_ID_LDO7,
1643b15ccacSCristian Ciocaltea ATC2603C_ID_LDO8,
1653b15ccacSCristian Ciocaltea ATC2603C_ID_LDO11,
1663b15ccacSCristian Ciocaltea ATC2603C_ID_LDO12,
1673b15ccacSCristian Ciocaltea ATC2603C_ID_SWITCHLDO1,
1683b15ccacSCristian Ciocaltea ATC2603C_ID_MAX,
1693b15ccacSCristian Ciocaltea };
1703b15ccacSCristian Ciocaltea
1713b15ccacSCristian Ciocaltea #define atc2603c_reg_desc_dcdc(num, min, step, n_volt, vsel_h, vsel_l) { \
1723b15ccacSCristian Ciocaltea .name = "DCDC"#num, \
1733b15ccacSCristian Ciocaltea .supply_name = "dcdc"#num, \
1743b15ccacSCristian Ciocaltea .of_match = of_match_ptr("dcdc"#num), \
1753b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
1763b15ccacSCristian Ciocaltea .id = ATC2603C_ID_DCDC##num, \
1773b15ccacSCristian Ciocaltea .ops = &atc260x_dcdc_ops, \
1783b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
1793b15ccacSCristian Ciocaltea .min_uV = min, \
1803b15ccacSCristian Ciocaltea .uV_step = step, \
1813b15ccacSCristian Ciocaltea .n_voltages = n_volt, \
1823b15ccacSCristian Ciocaltea .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
1833b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(vsel_h, vsel_l), \
1843b15ccacSCristian Ciocaltea .enable_reg = ATC2603C_PMU_DC##num##_CTL0, \
1853b15ccacSCristian Ciocaltea .enable_mask = BIT(15), \
1863b15ccacSCristian Ciocaltea .enable_time = 800, \
1873b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
1883b15ccacSCristian Ciocaltea }
1893b15ccacSCristian Ciocaltea
1903b15ccacSCristian Ciocaltea #define atc2603c_reg_desc_dcdc_range(num, vsel_h, vsel_l) { \
1913b15ccacSCristian Ciocaltea .name = "DCDC"#num, \
1923b15ccacSCristian Ciocaltea .supply_name = "dcdc"#num, \
1933b15ccacSCristian Ciocaltea .of_match = of_match_ptr("dcdc"#num), \
1943b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
1953b15ccacSCristian Ciocaltea .id = ATC2603C_ID_DCDC##num, \
1963b15ccacSCristian Ciocaltea .ops = &atc260x_dcdc_range_ops, \
1973b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
1983b15ccacSCristian Ciocaltea .n_voltages = 16, \
1993b15ccacSCristian Ciocaltea .linear_ranges = atc2603c_dcdc_voltage_ranges, \
2003b15ccacSCristian Ciocaltea .n_linear_ranges = ARRAY_SIZE(atc2603c_dcdc_voltage_ranges), \
2013b15ccacSCristian Ciocaltea .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
2023b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(vsel_h, vsel_l), \
2033b15ccacSCristian Ciocaltea .enable_reg = ATC2603C_PMU_DC##num##_CTL0, \
2043b15ccacSCristian Ciocaltea .enable_mask = BIT(15), \
2053b15ccacSCristian Ciocaltea .enable_time = 800, \
2063b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
2073b15ccacSCristian Ciocaltea }
2083b15ccacSCristian Ciocaltea
2093b15ccacSCristian Ciocaltea #define atc2603c_reg_desc_dcdc_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \
2103b15ccacSCristian Ciocaltea .name = "DCDC"#num, \
2113b15ccacSCristian Ciocaltea .supply_name = "dcdc"#num, \
2123b15ccacSCristian Ciocaltea .of_match = of_match_ptr("dcdc"#num), \
2133b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
2143b15ccacSCristian Ciocaltea .id = ATC2603C_ID_DCDC##num, \
2153b15ccacSCristian Ciocaltea .ops = &atc260x_dcdc_fixed_ops, \
2163b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
2173b15ccacSCristian Ciocaltea .min_uV = min, \
2183b15ccacSCristian Ciocaltea .uV_step = step, \
2193b15ccacSCristian Ciocaltea .n_voltages = n_volt, \
2203b15ccacSCristian Ciocaltea .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
2213b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(vsel_h, vsel_l), \
2223b15ccacSCristian Ciocaltea .enable_time = 800, \
2233b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
2243b15ccacSCristian Ciocaltea }
2253b15ccacSCristian Ciocaltea
2263b15ccacSCristian Ciocaltea #define atc2603c_reg_desc_ldo(num, min, step, n_volt, vsel_h, vsel_l) { \
2273b15ccacSCristian Ciocaltea .name = "LDO"#num, \
2283b15ccacSCristian Ciocaltea .supply_name = "ldo"#num, \
2293b15ccacSCristian Ciocaltea .of_match = of_match_ptr("ldo"#num), \
2303b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
2313b15ccacSCristian Ciocaltea .id = ATC2603C_ID_LDO##num, \
2323b15ccacSCristian Ciocaltea .ops = &atc260x_ldo_ops, \
2333b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
2343b15ccacSCristian Ciocaltea .min_uV = min, \
2353b15ccacSCristian Ciocaltea .uV_step = step, \
2363b15ccacSCristian Ciocaltea .n_voltages = n_volt, \
2373b15ccacSCristian Ciocaltea .vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \
2383b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(vsel_h, vsel_l), \
2393b15ccacSCristian Ciocaltea .enable_reg = ATC2603C_PMU_LDO##num##_CTL, \
2403b15ccacSCristian Ciocaltea .enable_mask = BIT(0), \
2413b15ccacSCristian Ciocaltea .enable_time = 2000, \
2423b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
2433b15ccacSCristian Ciocaltea }
2443b15ccacSCristian Ciocaltea
2453b15ccacSCristian Ciocaltea #define atc2603c_reg_desc_ldo_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \
2463b15ccacSCristian Ciocaltea .name = "LDO"#num, \
2473b15ccacSCristian Ciocaltea .supply_name = "ldo"#num, \
2483b15ccacSCristian Ciocaltea .of_match = of_match_ptr("ldo"#num), \
2493b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
2503b15ccacSCristian Ciocaltea .id = ATC2603C_ID_LDO##num, \
2513b15ccacSCristian Ciocaltea .ops = &atc260x_ldo_fixed_ops, \
2523b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
2533b15ccacSCristian Ciocaltea .min_uV = min, \
2543b15ccacSCristian Ciocaltea .uV_step = step, \
2553b15ccacSCristian Ciocaltea .n_voltages = n_volt, \
2563b15ccacSCristian Ciocaltea .vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \
2573b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(vsel_h, vsel_l), \
2583b15ccacSCristian Ciocaltea .enable_time = 2000, \
2593b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
2603b15ccacSCristian Ciocaltea }
2613b15ccacSCristian Ciocaltea
2623b15ccacSCristian Ciocaltea #define atc2603c_reg_desc_ldo_noops(num, vfixed) { \
2633b15ccacSCristian Ciocaltea .name = "LDO"#num, \
2643b15ccacSCristian Ciocaltea .supply_name = "ldo"#num, \
2653b15ccacSCristian Ciocaltea .of_match = of_match_ptr("ldo"#num), \
2663b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
2673b15ccacSCristian Ciocaltea .id = ATC2603C_ID_LDO##num, \
2683b15ccacSCristian Ciocaltea .ops = &atc260x_no_ops, \
2693b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
2703b15ccacSCristian Ciocaltea .fixed_uV = vfixed, \
2713b15ccacSCristian Ciocaltea .n_voltages = 1, \
2723b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
2733b15ccacSCristian Ciocaltea }
2743b15ccacSCristian Ciocaltea
2753b15ccacSCristian Ciocaltea #define atc2603c_reg_desc_ldo_switch(num, min, step, n_volt, vsel_h, vsel_l) { \
2763b15ccacSCristian Ciocaltea .name = "SWITCHLDO"#num, \
2773b15ccacSCristian Ciocaltea .supply_name = "switchldo"#num, \
2783b15ccacSCristian Ciocaltea .of_match = of_match_ptr("switchldo"#num), \
2793b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
2803b15ccacSCristian Ciocaltea .id = ATC2603C_ID_SWITCHLDO##num, \
2813b15ccacSCristian Ciocaltea .ops = &atc260x_ldo_bypass_discharge_ops, \
2823b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
2833b15ccacSCristian Ciocaltea .min_uV = min, \
2843b15ccacSCristian Ciocaltea .uV_step = step, \
2853b15ccacSCristian Ciocaltea .n_voltages = n_volt, \
2863b15ccacSCristian Ciocaltea .vsel_reg = ATC2603C_PMU_SWITCH_CTL, \
2873b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(vsel_h, vsel_l), \
2883b15ccacSCristian Ciocaltea .enable_reg = ATC2603C_PMU_SWITCH_CTL, \
2893b15ccacSCristian Ciocaltea .enable_mask = BIT(15), \
2903b15ccacSCristian Ciocaltea .enable_is_inverted = true, \
2913b15ccacSCristian Ciocaltea .enable_time = 2000, \
2923b15ccacSCristian Ciocaltea .bypass_reg = ATC2603C_PMU_SWITCH_CTL, \
2933b15ccacSCristian Ciocaltea .bypass_mask = BIT(5), \
2943b15ccacSCristian Ciocaltea .active_discharge_reg = ATC2603C_PMU_SWITCH_CTL, \
2953b15ccacSCristian Ciocaltea .active_discharge_mask = BIT(1), \
2962316f0fcSAxel Lin .active_discharge_on = BIT(1), \
2973b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
2983b15ccacSCristian Ciocaltea }
2993b15ccacSCristian Ciocaltea
3003b15ccacSCristian Ciocaltea static const struct regulator_desc atc2603c_reg[] = {
3013b15ccacSCristian Ciocaltea atc2603c_reg_desc_dcdc_fixed(1, 700000, 25000, 29, 11, 7),
3023b15ccacSCristian Ciocaltea atc2603c_reg_desc_dcdc_range(2, 12, 8),
3033b15ccacSCristian Ciocaltea atc2603c_reg_desc_dcdc_fixed(3, 2600000, 100000, 8, 11, 9),
3043b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo_fixed(1, 2600000, 100000, 8, 15, 13),
3053b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo_fixed(2, 2600000, 100000, 8, 15, 13),
3063b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo_fixed(3, 1500000, 100000, 6, 15, 13),
3073b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo(5, 2600000, 100000, 8, 15, 13),
3083b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo_fixed(6, 700000, 25000, 29, 15, 11),
3093b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo(7, 1500000, 100000, 6, 15, 13),
3103b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo(8, 2300000, 100000, 11, 15, 12),
3113b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo_fixed(11, 2600000, 100000, 8, 15, 13),
3123b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo_noops(12, 1800000),
3133b15ccacSCristian Ciocaltea atc2603c_reg_desc_ldo_switch(1, 3000000, 100000, 4, 4, 3),
3143b15ccacSCristian Ciocaltea };
3153b15ccacSCristian Ciocaltea
3163b15ccacSCristian Ciocaltea static const struct regulator_desc atc2603c_reg_dcdc2_ver_b =
3173b15ccacSCristian Ciocaltea atc2603c_reg_desc_dcdc(2, 1000000, 50000, 18, 12, 8);
3183b15ccacSCristian Ciocaltea
3193b15ccacSCristian Ciocaltea enum atc2609a_reg_ids {
3203b15ccacSCristian Ciocaltea ATC2609A_ID_DCDC0,
3213b15ccacSCristian Ciocaltea ATC2609A_ID_DCDC1,
3223b15ccacSCristian Ciocaltea ATC2609A_ID_DCDC2,
3233b15ccacSCristian Ciocaltea ATC2609A_ID_DCDC3,
3243b15ccacSCristian Ciocaltea ATC2609A_ID_DCDC4,
3253b15ccacSCristian Ciocaltea ATC2609A_ID_LDO0,
3263b15ccacSCristian Ciocaltea ATC2609A_ID_LDO1,
3273b15ccacSCristian Ciocaltea ATC2609A_ID_LDO2,
3283b15ccacSCristian Ciocaltea ATC2609A_ID_LDO3,
3293b15ccacSCristian Ciocaltea ATC2609A_ID_LDO4,
3303b15ccacSCristian Ciocaltea ATC2609A_ID_LDO5,
3313b15ccacSCristian Ciocaltea ATC2609A_ID_LDO6,
3323b15ccacSCristian Ciocaltea ATC2609A_ID_LDO7,
3333b15ccacSCristian Ciocaltea ATC2609A_ID_LDO8,
3343b15ccacSCristian Ciocaltea ATC2609A_ID_LDO9,
3353b15ccacSCristian Ciocaltea ATC2609A_ID_MAX,
3363b15ccacSCristian Ciocaltea };
3373b15ccacSCristian Ciocaltea
3383b15ccacSCristian Ciocaltea #define atc2609a_reg_desc_dcdc(num, en_bit) { \
3393b15ccacSCristian Ciocaltea .name = "DCDC"#num, \
3403b15ccacSCristian Ciocaltea .supply_name = "dcdc"#num, \
3413b15ccacSCristian Ciocaltea .of_match = of_match_ptr("dcdc"#num), \
3423b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
3433b15ccacSCristian Ciocaltea .id = ATC2609A_ID_DCDC##num, \
3443b15ccacSCristian Ciocaltea .ops = &atc260x_dcdc_ops, \
3453b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
3463b15ccacSCristian Ciocaltea .min_uV = 600000, \
3473b15ccacSCristian Ciocaltea .uV_step = 6250, \
3483b15ccacSCristian Ciocaltea .n_voltages = 256, \
3493b15ccacSCristian Ciocaltea .vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \
3503b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(15, 8), \
3513b15ccacSCristian Ciocaltea .enable_reg = ATC2609A_PMU_DC_OSC, \
3523b15ccacSCristian Ciocaltea .enable_mask = BIT(en_bit), \
3533b15ccacSCristian Ciocaltea .enable_time = 800, \
3543b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
3553b15ccacSCristian Ciocaltea }
3563b15ccacSCristian Ciocaltea
3573b15ccacSCristian Ciocaltea #define atc2609a_reg_desc_dcdc_range(num, en_bit) { \
3583b15ccacSCristian Ciocaltea .name = "DCDC"#num, \
3593b15ccacSCristian Ciocaltea .supply_name = "dcdc"#num, \
3603b15ccacSCristian Ciocaltea .of_match = of_match_ptr("dcdc"#num), \
3613b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
3623b15ccacSCristian Ciocaltea .id = ATC2609A_ID_DCDC##num, \
3633b15ccacSCristian Ciocaltea .ops = &atc260x_dcdc_range_ops, \
3643b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
3653b15ccacSCristian Ciocaltea .n_voltages = 233, \
3663b15ccacSCristian Ciocaltea .linear_ranges = atc2609a_dcdc_voltage_ranges, \
3673b15ccacSCristian Ciocaltea .n_linear_ranges = ARRAY_SIZE(atc2609a_dcdc_voltage_ranges), \
3683b15ccacSCristian Ciocaltea .vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \
3693b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(15, 8), \
3703b15ccacSCristian Ciocaltea .enable_reg = ATC2609A_PMU_DC_OSC, \
3713b15ccacSCristian Ciocaltea .enable_mask = BIT(en_bit), \
3723b15ccacSCristian Ciocaltea .enable_time = 800, \
3733b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
3743b15ccacSCristian Ciocaltea }
3753b15ccacSCristian Ciocaltea
3763b15ccacSCristian Ciocaltea #define atc2609a_reg_desc_ldo(num) { \
3773b15ccacSCristian Ciocaltea .name = "LDO"#num, \
3783b15ccacSCristian Ciocaltea .supply_name = "ldo"#num, \
3793b15ccacSCristian Ciocaltea .of_match = of_match_ptr("ldo"#num), \
3803b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
3813b15ccacSCristian Ciocaltea .id = ATC2609A_ID_LDO##num, \
3823b15ccacSCristian Ciocaltea .ops = &atc260x_ldo_ops, \
3833b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
3843b15ccacSCristian Ciocaltea .min_uV = 700000, \
3853b15ccacSCristian Ciocaltea .uV_step = 100000, \
3863b15ccacSCristian Ciocaltea .n_voltages = 16, \
3873b15ccacSCristian Ciocaltea .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
3883b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(4, 1), \
3893b15ccacSCristian Ciocaltea .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
3903b15ccacSCristian Ciocaltea .enable_mask = BIT(0), \
3913b15ccacSCristian Ciocaltea .enable_time = 2000, \
3923b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
3933b15ccacSCristian Ciocaltea }
3943b15ccacSCristian Ciocaltea
3953b15ccacSCristian Ciocaltea #define atc2609a_reg_desc_ldo_bypass(num) { \
3963b15ccacSCristian Ciocaltea .name = "LDO"#num, \
3973b15ccacSCristian Ciocaltea .supply_name = "ldo"#num, \
3983b15ccacSCristian Ciocaltea .of_match = of_match_ptr("ldo"#num), \
3993b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
4003b15ccacSCristian Ciocaltea .id = ATC2609A_ID_LDO##num, \
4013b15ccacSCristian Ciocaltea .ops = &atc260x_ldo_bypass_ops, \
4023b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
4033b15ccacSCristian Ciocaltea .min_uV = 2300000, \
4043b15ccacSCristian Ciocaltea .uV_step = 100000, \
4053b15ccacSCristian Ciocaltea .n_voltages = 12, \
4063b15ccacSCristian Ciocaltea .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
4073b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(5, 2), \
4083b15ccacSCristian Ciocaltea .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
4093b15ccacSCristian Ciocaltea .enable_mask = BIT(0), \
4103b15ccacSCristian Ciocaltea .enable_time = 2000, \
4113b15ccacSCristian Ciocaltea .bypass_reg = ATC2609A_PMU_LDO##num##_CTL0, \
4123b15ccacSCristian Ciocaltea .bypass_mask = BIT(1), \
4133b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
4143b15ccacSCristian Ciocaltea }
4153b15ccacSCristian Ciocaltea
4161963fa67SAxel Lin #define atc2609a_reg_desc_ldo_range_pick(num, n_range, n_volt) { \
4173b15ccacSCristian Ciocaltea .name = "LDO"#num, \
4183b15ccacSCristian Ciocaltea .supply_name = "ldo"#num, \
4193b15ccacSCristian Ciocaltea .of_match = of_match_ptr("ldo"#num), \
4203b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
4213b15ccacSCristian Ciocaltea .id = ATC2609A_ID_LDO##num, \
4223b15ccacSCristian Ciocaltea .ops = &atc260x_ldo_range_pick_ops, \
4233b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
4243b15ccacSCristian Ciocaltea .linear_ranges = atc2609a_ldo_voltage_ranges##n_range, \
4253b15ccacSCristian Ciocaltea .n_linear_ranges = ARRAY_SIZE(atc2609a_ldo_voltage_ranges##n_range), \
4261963fa67SAxel Lin .n_voltages = n_volt, \
4273b15ccacSCristian Ciocaltea .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
4283b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(4, 1), \
4293b15ccacSCristian Ciocaltea .vsel_range_reg = ATC2609A_PMU_LDO##num##_CTL0, \
4303b15ccacSCristian Ciocaltea .vsel_range_mask = BIT(5), \
431*269cb04bSChen-Yu Tsai .linear_range_selectors_bitfield = atc260x_ldo_voltage_range_sel, \
4323b15ccacSCristian Ciocaltea .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
4333b15ccacSCristian Ciocaltea .enable_mask = BIT(0), \
4343b15ccacSCristian Ciocaltea .enable_time = 2000, \
4353b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
4363b15ccacSCristian Ciocaltea }
4373b15ccacSCristian Ciocaltea
4383b15ccacSCristian Ciocaltea #define atc2609a_reg_desc_ldo_fixed(num) { \
4393b15ccacSCristian Ciocaltea .name = "LDO"#num, \
4403b15ccacSCristian Ciocaltea .supply_name = "ldo"#num, \
4413b15ccacSCristian Ciocaltea .of_match = of_match_ptr("ldo"#num), \
4423b15ccacSCristian Ciocaltea .regulators_node = of_match_ptr("regulators"), \
4433b15ccacSCristian Ciocaltea .id = ATC2609A_ID_LDO##num, \
4443b15ccacSCristian Ciocaltea .ops = &atc260x_ldo_fixed_ops, \
4453b15ccacSCristian Ciocaltea .type = REGULATOR_VOLTAGE, \
4463b15ccacSCristian Ciocaltea .min_uV = 2600000, \
4473b15ccacSCristian Ciocaltea .uV_step = 100000, \
4483b15ccacSCristian Ciocaltea .n_voltages = 8, \
4493b15ccacSCristian Ciocaltea .vsel_reg = ATC2609A_PMU_LDO##num##_CTL, \
4503b15ccacSCristian Ciocaltea .vsel_mask = GENMASK(15, 13), \
4513b15ccacSCristian Ciocaltea .enable_time = 2000, \
4523b15ccacSCristian Ciocaltea .owner = THIS_MODULE, \
4533b15ccacSCristian Ciocaltea }
4543b15ccacSCristian Ciocaltea
4553b15ccacSCristian Ciocaltea static const struct regulator_desc atc2609a_reg[] = {
4563b15ccacSCristian Ciocaltea atc2609a_reg_desc_dcdc(0, 4),
4573b15ccacSCristian Ciocaltea atc2609a_reg_desc_dcdc(1, 5),
4583b15ccacSCristian Ciocaltea atc2609a_reg_desc_dcdc(2, 6),
4593b15ccacSCristian Ciocaltea atc2609a_reg_desc_dcdc_range(3, 7),
4603b15ccacSCristian Ciocaltea atc2609a_reg_desc_dcdc(4, 8),
4613b15ccacSCristian Ciocaltea atc2609a_reg_desc_ldo_bypass(0),
4623b15ccacSCristian Ciocaltea atc2609a_reg_desc_ldo_bypass(1),
4633b15ccacSCristian Ciocaltea atc2609a_reg_desc_ldo_bypass(2),
4641963fa67SAxel Lin atc2609a_reg_desc_ldo_range_pick(3, 0, 29),
4651963fa67SAxel Lin atc2609a_reg_desc_ldo_range_pick(4, 0, 29),
4663b15ccacSCristian Ciocaltea atc2609a_reg_desc_ldo(5),
4671963fa67SAxel Lin atc2609a_reg_desc_ldo_range_pick(6, 1, 28),
4681963fa67SAxel Lin atc2609a_reg_desc_ldo_range_pick(7, 0, 29),
4691963fa67SAxel Lin atc2609a_reg_desc_ldo_range_pick(8, 0, 29),
4703b15ccacSCristian Ciocaltea atc2609a_reg_desc_ldo_fixed(9),
4713b15ccacSCristian Ciocaltea };
4723b15ccacSCristian Ciocaltea
atc260x_regulator_probe(struct platform_device * pdev)4733b15ccacSCristian Ciocaltea static int atc260x_regulator_probe(struct platform_device *pdev)
4743b15ccacSCristian Ciocaltea {
4753b15ccacSCristian Ciocaltea struct atc260x *atc260x = dev_get_drvdata(pdev->dev.parent);
4763b15ccacSCristian Ciocaltea struct device *dev = atc260x->dev;
4773b15ccacSCristian Ciocaltea struct atc260x_regulator_data *atc260x_data;
4783b15ccacSCristian Ciocaltea struct regulator_config config = {};
4793b15ccacSCristian Ciocaltea struct regulator_dev *atc260x_rdev;
4803b15ccacSCristian Ciocaltea const struct regulator_desc *regulators;
4813b15ccacSCristian Ciocaltea bool atc2603c_ver_b = false;
4823b15ccacSCristian Ciocaltea int i, nregulators;
4833b15ccacSCristian Ciocaltea
4843b15ccacSCristian Ciocaltea atc260x_data = devm_kzalloc(&pdev->dev, sizeof(*atc260x_data), GFP_KERNEL);
4853b15ccacSCristian Ciocaltea if (!atc260x_data)
4863b15ccacSCristian Ciocaltea return -ENOMEM;
4873b15ccacSCristian Ciocaltea
4883b15ccacSCristian Ciocaltea atc260x_data->voltage_time_dcdc = 350;
4893b15ccacSCristian Ciocaltea atc260x_data->voltage_time_ldo = 800;
4903b15ccacSCristian Ciocaltea
4913b15ccacSCristian Ciocaltea switch (atc260x->ic_type) {
4923b15ccacSCristian Ciocaltea case ATC2603C:
4933b15ccacSCristian Ciocaltea regulators = atc2603c_reg;
4943b15ccacSCristian Ciocaltea nregulators = ATC2603C_ID_MAX;
4953b15ccacSCristian Ciocaltea atc2603c_ver_b = atc260x->ic_ver == ATC260X_B;
4963b15ccacSCristian Ciocaltea break;
4973b15ccacSCristian Ciocaltea case ATC2609A:
4983b15ccacSCristian Ciocaltea atc260x_data->voltage_time_dcdc = 250;
4993b15ccacSCristian Ciocaltea regulators = atc2609a_reg;
5003b15ccacSCristian Ciocaltea nregulators = ATC2609A_ID_MAX;
5013b15ccacSCristian Ciocaltea break;
5023b15ccacSCristian Ciocaltea default:
5033b15ccacSCristian Ciocaltea dev_err(dev, "unsupported ATC260X ID %d\n", atc260x->ic_type);
5043b15ccacSCristian Ciocaltea return -EINVAL;
5053b15ccacSCristian Ciocaltea }
5063b15ccacSCristian Ciocaltea
5073b15ccacSCristian Ciocaltea config.dev = dev;
5083b15ccacSCristian Ciocaltea config.regmap = atc260x->regmap;
5093b15ccacSCristian Ciocaltea config.driver_data = atc260x_data;
5103b15ccacSCristian Ciocaltea
5113b15ccacSCristian Ciocaltea /* Instantiate the regulators */
5123b15ccacSCristian Ciocaltea for (i = 0; i < nregulators; i++) {
5133b15ccacSCristian Ciocaltea if (atc2603c_ver_b && regulators[i].id == ATC2603C_ID_DCDC2)
5143b15ccacSCristian Ciocaltea atc260x_rdev = devm_regulator_register(&pdev->dev,
5153b15ccacSCristian Ciocaltea &atc2603c_reg_dcdc2_ver_b,
5163b15ccacSCristian Ciocaltea &config);
5173b15ccacSCristian Ciocaltea else
5183b15ccacSCristian Ciocaltea atc260x_rdev = devm_regulator_register(&pdev->dev,
5193b15ccacSCristian Ciocaltea ®ulators[i],
5203b15ccacSCristian Ciocaltea &config);
5213b15ccacSCristian Ciocaltea if (IS_ERR(atc260x_rdev)) {
5223b15ccacSCristian Ciocaltea dev_err(dev, "failed to register regulator: %d\n", i);
5233b15ccacSCristian Ciocaltea return PTR_ERR(atc260x_rdev);
5243b15ccacSCristian Ciocaltea }
5253b15ccacSCristian Ciocaltea }
5263b15ccacSCristian Ciocaltea
5273b15ccacSCristian Ciocaltea return 0;
5283b15ccacSCristian Ciocaltea }
5293b15ccacSCristian Ciocaltea
5303b15ccacSCristian Ciocaltea static struct platform_driver atc260x_regulator_driver = {
5313b15ccacSCristian Ciocaltea .probe = atc260x_regulator_probe,
5323b15ccacSCristian Ciocaltea .driver = {
5333b15ccacSCristian Ciocaltea .name = "atc260x-regulator",
53446600ab1SDouglas Anderson .probe_type = PROBE_PREFER_ASYNCHRONOUS,
5353b15ccacSCristian Ciocaltea },
5363b15ccacSCristian Ciocaltea };
5373b15ccacSCristian Ciocaltea
5383b15ccacSCristian Ciocaltea module_platform_driver(atc260x_regulator_driver);
5393b15ccacSCristian Ciocaltea
5403b15ccacSCristian Ciocaltea MODULE_DESCRIPTION("Regulator driver for ATC260x PMICs");
5413b15ccacSCristian Ciocaltea MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
5423b15ccacSCristian Ciocaltea MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>");
5433b15ccacSCristian Ciocaltea MODULE_LICENSE("GPL");
544