diff options
Diffstat (limited to 'drivers/regulator/palmas-regulator.c')
| -rw-r--r-- | drivers/regulator/palmas-regulator.c | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index aa8e5516752e..8fa651e998da 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -227,6 +227,94 @@ static struct regs_info palmas_regs_info[] = { }, }; +static struct regs_info tps65917_regs_info[] = { + { + .name = "SMPS1", + .sname = "smps1-in", + .vsel_addr = TPS65917_SMPS1_VOLTAGE, + .ctrl_addr = TPS65917_SMPS1_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS1, + }, + { + .name = "SMPS2", + .sname = "smps2-in", + .vsel_addr = TPS65917_SMPS2_VOLTAGE, + .ctrl_addr = TPS65917_SMPS2_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS2, + }, + { + .name = "SMPS3", + .sname = "smps3-in", + .vsel_addr = TPS65917_SMPS3_VOLTAGE, + .ctrl_addr = TPS65917_SMPS3_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS3, + }, + { + .name = "SMPS4", + .sname = "smps4-in", + .vsel_addr = TPS65917_SMPS4_VOLTAGE, + .ctrl_addr = TPS65917_SMPS4_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS4, + }, + { + .name = "SMPS5", + .sname = "smps5-in", + .vsel_addr = TPS65917_SMPS5_VOLTAGE, + .ctrl_addr = TPS65917_SMPS5_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS5, + }, + { + .name = "LDO1", + .sname = "ldo1-in", + .vsel_addr = TPS65917_LDO1_VOLTAGE, + .ctrl_addr = TPS65917_LDO1_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO1, + }, + { + .name = "LDO2", + .sname = "ldo2-in", + .vsel_addr = TPS65917_LDO2_VOLTAGE, + .ctrl_addr = TPS65917_LDO2_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO2, + }, + { + .name = "LDO3", + .sname = "ldo3-in", + .vsel_addr = TPS65917_LDO3_VOLTAGE, + .ctrl_addr = TPS65917_LDO3_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO3, + }, + { + .name = "LDO4", + .sname = "ldo4-in", + .vsel_addr = TPS65917_LDO4_VOLTAGE, + .ctrl_addr = TPS65917_LDO4_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO4, + }, + { + .name = "LDO5", + .sname = "ldo5-in", + .vsel_addr = TPS65917_LDO5_VOLTAGE, + .ctrl_addr = TPS65917_LDO5_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO5, + }, + { + .name = "REGEN1", + .ctrl_addr = TPS65917_REGEN1_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN1, + }, + { + .name = "REGEN2", + .ctrl_addr = TPS65917_REGEN2_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN2, + }, + { + .name = "REGEN3", + .ctrl_addr = TPS65917_REGEN3_CTRL, + .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN3, + }, +}; + #define EXTERNAL_REQUESTOR(_id, _offset, _pos) \ [PALMAS_EXTERNAL_REQSTR_ID_##_id] = { \ .id = PALMAS_EXTERNAL_REQSTR_ID_##_id, \ @@ -263,6 +351,29 @@ struct palmas_sleep_requestor_info palma_sleep_req_info[] = { EXTERNAL_REQUESTOR(LDOUSB, 3, 2), }; +#define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos) \ + [TPS65917_EXTERNAL_REQSTR_ID_##_id] = { \ + .id = TPS65917_EXTERNAL_REQSTR_ID_##_id, \ + .reg_offset = _offset, \ + .bit_pos = _pos, \ + } + +static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = { + EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0), + EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1), + EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6), + EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0), + EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1), + EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2), + EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3), + EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4), + EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0), + EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1), + EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2), + EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3), + EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4), +}; + static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500}; #define SMPS_CTRL_MODE_OFF 0x00 @@ -451,6 +562,28 @@ static struct regulator_ops palmas_ops_smps10 = { .get_bypass = regulator_get_bypass_regmap, }; +static struct regulator_ops tps65917_ops_smps = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_mode = palmas_set_mode_smps, + .get_mode = palmas_get_mode_smps, + .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, +}; + +static struct regulator_ops tps65917_ops_ext_control_smps = { + .set_mode = palmas_set_mode_smps, + .get_mode = palmas_get_mode_smps, + .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 int palmas_is_enabled_ldo(struct regulator_dev *dev) { struct palmas_pmic *pmic = rdev_get_drvdata(dev); @@ -492,6 +625,17 @@ static struct regulator_ops palmas_ops_extreg = { static struct regulator_ops palmas_ops_ext_control_extreg = { }; +static struct regulator_ops tps65917_ops_ldo = { + .is_enabled = palmas_is_enabled_ldo, + .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, + .map_voltage = regulator_map_voltage_linear, + .set_voltage_time_sel = regulator_set_voltage_time_sel, +}; + static int palmas_regulator_config_external(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { @@ -826,6 +970,111 @@ static int palmas_ldo_registration(struct palmas_pmic *pmic, return 0; } +static int tps65917_ldo_registration(struct palmas_pmic *pmic, + struct palmas_pmic_driver_data *ddata, + struct palmas_pmic_platform_data *pdata, + const char *pdev_name, + struct regulator_config config) +{ + int id, ret; + struct regulator_dev *rdev; + struct palmas_reg_init *reg_init; + + for (id = ddata->ldo_begin; id < ddata->max_reg; id++) { + if (pdata && pdata->reg_init[id]) + reg_init = pdata->reg_init[id]; + else + reg_init = NULL; + + /* Miss out regulators which are not available due + * to alternate functions. + */ + + /* Register the regulators */ + pmic->desc[id].name = ddata->palmas_regs_info[id].name; + pmic->desc[id].id = id; + pmic->desc[id].type = REGULATOR_VOLTAGE; + pmic->desc[id].owner = THIS_MODULE; + + if (id < TPS65917_REG_REGEN1) { + pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES; + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &palmas_ops_ext_control_ldo; + else + pmic->desc[id].ops = &tps65917_ops_ldo; + pmic->desc[id].min_uV = 900000; + pmic->desc[id].uV_step = 50000; + pmic->desc[id].linear_min_sel = 1; + pmic->desc[id].enable_time = 500; + pmic->desc[id].vsel_reg = + PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, + ddata->palmas_regs_info[id].vsel_addr); + pmic->desc[id].vsel_mask = + PALMAS_LDO1_VOLTAGE_VSEL_MASK; + pmic->desc[id].enable_reg = + PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, + ddata->palmas_regs_info[id].ctrl_addr); + pmic->desc[id].enable_mask = + PALMAS_LDO1_CTRL_MODE_ACTIVE; + /* + * To be confirmed. Discussion on going with PMIC Team. + * It is of the order of ~60mV/uS. + */ + pmic->desc[id].ramp_delay = 2500; + } else { + pmic->desc[id].n_voltages = 1; + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &palmas_ops_ext_control_extreg; + else + pmic->desc[id].ops = &palmas_ops_extreg; + pmic->desc[id].enable_reg = + PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, + ddata->palmas_regs_info[id].ctrl_addr); + pmic->desc[id].enable_mask = + PALMAS_REGEN1_CTRL_MODE_ACTIVE; + } + + if (pdata) + config.init_data = pdata->reg_data[id]; + else + config.init_data = NULL; + + pmic->desc[id].supply_name = ddata->palmas_regs_info[id].sname; + config.of_node = ddata->palmas_matches[id].of_node; + + rdev = devm_regulator_register(pmic->dev, &pmic->desc[id], + &config); + if (IS_ERR(rdev)) { + dev_err(pmic->dev, + "failed to register %s regulator\n", + pdev_name); + return PTR_ERR(rdev); + } + + /* Save regulator for cleanup */ + pmic->rdev[id] = rdev; + + /* Initialise sleep/init values from platform data */ + if (pdata) { + reg_init = pdata->reg_init[id]; + if (reg_init) { + if (id < TPS65917_REG_REGEN1) + ret = palmas_ldo_init(pmic->palmas, + id, reg_init); + else + ret = palmas_extreg_init(pmic->palmas, + id, reg_init); + if (ret) + return ret; + } + } + } + + return 0; +} + static int palmas_smps_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, @@ -996,6 +1245,109 @@ static int palmas_smps_registration(struct palmas_pmic *pmic, return 0; } +static int tps65917_smps_registration(struct palmas_pmic *pmic, + struct palmas_pmic_driver_data *ddata, + struct palmas_pmic_platform_data *pdata, + const char *pdev_name, + struct regulator_config config) +{ + int id, ret; + unsigned int addr, reg; + struct regulator_dev *rdev; + struct palmas_reg_init *reg_init; + + for (id = ddata->smps_start; id <= ddata->smps_end; id++) { + /* + * Miss out regulators which are not available due + * to slaving configurations. + */ + pmic->desc[id].n_linear_ranges = 3; + if ((id == TPS65917_REG_SMPS2) && pmic->smps12) + continue; + + /* Initialise sleep/init values from platform data */ + if (pdata && pdata->reg_init[id]) { + reg_init = pdata->reg_init[id]; + ret = palmas_smps_init(pmic->palmas, id, reg_init); + if (ret) + return ret; + } else { + reg_init = NULL; + } + + /* Register the regulators */ + pmic->desc[id].name = ddata->palmas_regs_info[id].name; + pmic->desc[id].id = id; + + /* + * Read and store the RANGE bit for later use + * This must be done before regulator is probed, + * otherwise we error in probe with unsupportable + * ranges. Read the current smps mode for later use. + */ + addr = ddata->palmas_regs_info[id].vsel_addr; + + ret = palmas_smps_read(pmic->palmas, addr, ®); + if (ret) + return ret; + if (reg & TPS65917_SMPS1_VOLTAGE_RANGE) + pmic->range[id] = 1; + + if (pmic->range[id]) + pmic->desc[id].linear_ranges = smps_high_ranges; + else + pmic->desc[id].linear_ranges = smps_low_ranges; + + + if (reg_init && reg_init->roof_floor) + pmic->desc[id].ops = + &tps65917_ops_ext_control_smps; + else + pmic->desc[id].ops = &tps65917_ops_smps; + pmic->desc[id].n_voltages = PALMAS_SMPS_NUM_VOLTAGES; + pmic->desc[id].vsel_reg = + PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, + tps65917_regs_info[id].vsel_addr); + pmic->desc[id].vsel_mask = + PALMAS_SMPS12_VOLTAGE_VSEL_MASK; + + pmic->desc[id].ramp_delay = 2500; + + /* Read the smps mode for later use. */ + addr = ddata->palmas_regs_info[id].ctrl_addr; + ret = palmas_smps_read(pmic->palmas, addr, ®); + if (ret) + return ret; + pmic->current_reg_mode[id] = reg & + PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; + + pmic->desc[id].type = REGULATOR_VOLTAGE; + pmic->desc[id].owner = THIS_MODULE; + + if (pdata) + config.init_data = pdata->reg_data[id]; + else + config.init_data = NULL; + + pmic->desc[id].supply_name = ddata->palmas_regs_info[id].sname; + config.of_node = ddata->palmas_matches[id].of_node; + + rdev = devm_regulator_register(pmic->dev, &pmic->desc[id], + &config); + if (IS_ERR(rdev)) { + dev_err(pmic->dev, + "failed to register %s regulator\n", + pdev_name); + return PTR_ERR(rdev); + } + + /* Save regulator for cleanup */ + pmic->rdev[id] = rdev; + } + + return 0; +} + static struct of_regulator_match palmas_matches[] = { { .name = "smps12", }, { .name = "smps123", }, @@ -1026,6 +1378,24 @@ static struct of_regulator_match palmas_matches[] = { { .name = "sysen2", }, }; +static struct of_regulator_match tps65917_matches[] = { + { .name = "smps1", }, + { .name = "smps2", }, + { .name = "smps3", }, + { .name = "smps4", }, + { .name = "smps5", }, + { .name = "ldo1", }, + { .name = "ldo2", }, + { .name = "ldo3", }, + { .name = "ldo4", }, + { .name = "ldo5", }, + { .name = "regen1", }, + { .name = "regen2", }, + { .name = "regen3", }, + { .name = "sysen1", }, + { .name = "sysen2", }, +}; + struct palmas_pmic_driver_data palmas_ddata = { .smps_start = PALMAS_REG_SMPS12, .smps_end = PALMAS_REG_SMPS10_OUT1, @@ -1039,6 +1409,19 @@ struct palmas_pmic_driver_data palmas_ddata = { .ldo_register = palmas_ldo_registration, }; +struct palmas_pmic_driver_data tps65917_ddata = { + .smps_start = TPS65917_REG_SMPS1, + .smps_end = TPS65917_REG_SMPS5, + .ldo_begin = TPS65917_REG_LDO1, + .ldo_end = TPS65917_REG_LDO5, + .max_reg = TPS65917_NUM_REGS, + .palmas_regs_info = tps65917_regs_info, + .palmas_matches = tps65917_matches, + .sleep_req_info = tps65917_sleep_req_info, + .smps_register = tps65917_smps_registration, + .ldo_register = tps65917_ldo_registration, +}; + static void palmas_dt_to_pdata(struct device *dev, struct device_node *node, struct palmas_pmic_platform_data *pdata, @@ -1160,6 +1543,10 @@ static struct of_device_id of_palmas_match_tbl[] = { .compatible = "ti,tps659038-pmic", .data = &palmas_ddata, }, + { + .compatible = "ti,tps65917-pmic", + .data = &tps65917_ddata, + }, { /* end */ } }; |