diff options
Diffstat (limited to 'drivers/regulator/palmas-regulator.c')
| -rw-r--r-- | drivers/regulator/palmas-regulator.c | 658 |
1 files changed, 392 insertions, 266 deletions
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 1cf462f90df5..aa8e5516752e 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -41,7 +41,7 @@ static const struct regulator_linear_range smps_high_ranges[] = { REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0), }; -static const struct regs_info palmas_regs_info[] = { +static struct regs_info palmas_regs_info[] = { { .name = "SMPS12", .sname = "smps1-in", @@ -227,6 +227,42 @@ static const struct regs_info palmas_regs_info[] = { }, }; +#define EXTERNAL_REQUESTOR(_id, _offset, _pos) \ + [PALMAS_EXTERNAL_REQSTR_ID_##_id] = { \ + .id = PALMAS_EXTERNAL_REQSTR_ID_##_id, \ + .reg_offset = _offset, \ + .bit_pos = _pos, \ + } + +struct palmas_sleep_requestor_info palma_sleep_req_info[] = { + EXTERNAL_REQUESTOR(REGEN1, 0, 0), + EXTERNAL_REQUESTOR(REGEN2, 0, 1), + EXTERNAL_REQUESTOR(SYSEN1, 0, 2), + EXTERNAL_REQUESTOR(SYSEN2, 0, 3), + EXTERNAL_REQUESTOR(CLK32KG, 0, 4), + EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5), + EXTERNAL_REQUESTOR(REGEN3, 0, 6), + EXTERNAL_REQUESTOR(SMPS12, 1, 0), + EXTERNAL_REQUESTOR(SMPS3, 1, 1), + EXTERNAL_REQUESTOR(SMPS45, 1, 2), + EXTERNAL_REQUESTOR(SMPS6, 1, 3), + EXTERNAL_REQUESTOR(SMPS7, 1, 4), + EXTERNAL_REQUESTOR(SMPS8, 1, 5), + EXTERNAL_REQUESTOR(SMPS9, 1, 6), + EXTERNAL_REQUESTOR(SMPS10, 1, 7), + EXTERNAL_REQUESTOR(LDO1, 2, 0), + EXTERNAL_REQUESTOR(LDO2, 2, 1), + EXTERNAL_REQUESTOR(LDO3, 2, 2), + EXTERNAL_REQUESTOR(LDO4, 2, 3), + EXTERNAL_REQUESTOR(LDO5, 2, 4), + EXTERNAL_REQUESTOR(LDO6, 2, 5), + EXTERNAL_REQUESTOR(LDO7, 2, 6), + EXTERNAL_REQUESTOR(LDO8, 2, 7), + EXTERNAL_REQUESTOR(LDO9, 3, 0), + EXTERNAL_REQUESTOR(LDOLN, 3, 1), + EXTERNAL_REQUESTOR(LDOUSB, 3, 2), +}; + static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500}; #define SMPS_CTRL_MODE_OFF 0x00 @@ -288,11 +324,14 @@ static int palmas_ldo_write(struct palmas *palmas, unsigned int reg, static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode) { struct palmas_pmic *pmic = rdev_get_drvdata(dev); + struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; int id = rdev_get_id(dev); unsigned int reg; bool rail_enable = true; - palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, ®); + palmas_smps_read(pmic->palmas, ddata->palmas_regs_info[id].ctrl_addr, + ®); + reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; if (reg == SMPS_CTRL_MODE_OFF) @@ -315,7 +354,7 @@ static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode) pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; if (rail_enable) palmas_smps_write(pmic->palmas, - palmas_regs_info[id].ctrl_addr, reg); + ddata->palmas_regs_info[id].ctrl_addr, reg); return 0; } @@ -343,9 +382,10 @@ static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) { struct palmas_pmic *pmic = rdev_get_drvdata(rdev); + struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; int id = rdev_get_id(rdev); unsigned int reg = 0; - unsigned int addr = palmas_regs_info[id].tstep_addr; + unsigned int addr = ddata->palmas_regs_info[id].tstep_addr; int ret; /* SMPS3 and SMPS7 do not have tstep_addr setting */ @@ -414,10 +454,12 @@ static struct regulator_ops palmas_ops_smps10 = { static int palmas_is_enabled_ldo(struct regulator_dev *dev) { struct palmas_pmic *pmic = rdev_get_drvdata(dev); + struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; int id = rdev_get_id(dev); unsigned int reg; - palmas_ldo_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, ®); + palmas_ldo_read(pmic->palmas, + ddata->palmas_regs_info[id].ctrl_addr, ®); reg &= PALMAS_LDO1_CTRL_STATUS; @@ -478,7 +520,9 @@ static int palmas_smps_init(struct palmas *palmas, int id, unsigned int addr; int ret; - addr = palmas_regs_info[id].ctrl_addr; + struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; + + addr = ddata->palmas_regs_info[id].ctrl_addr; ret = palmas_smps_read(palmas, addr, ®); if (ret) @@ -513,8 +557,8 @@ static int palmas_smps_init(struct palmas *palmas, int id, if (ret) return ret; - if (palmas_regs_info[id].vsel_addr && reg_init->vsel) { - addr = palmas_regs_info[id].vsel_addr; + if (ddata->palmas_regs_info[id].vsel_addr && reg_init->vsel) { + addr = ddata->palmas_regs_info[id].vsel_addr; reg = reg_init->vsel; @@ -526,7 +570,7 @@ static int palmas_smps_init(struct palmas *palmas, int id, if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) && (id != PALMAS_REG_SMPS10_OUT2)) { /* Enable externally controlled regulator */ - addr = palmas_regs_info[id].ctrl_addr; + addr = ddata->palmas_regs_info[id].ctrl_addr; ret = palmas_smps_read(palmas, addr, ®); if (ret < 0) return ret; @@ -549,7 +593,9 @@ static int palmas_ldo_init(struct palmas *palmas, int id, unsigned int addr; int ret; - addr = palmas_regs_info[id].ctrl_addr; + struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; + + addr = ddata->palmas_regs_info[id].ctrl_addr; ret = palmas_ldo_read(palmas, addr, ®); if (ret) @@ -571,7 +617,7 @@ static int palmas_ldo_init(struct palmas *palmas, int id, if (reg_init->roof_floor) { /* Enable externally controlled regulator */ - addr = palmas_regs_info[id].ctrl_addr; + addr = ddata->palmas_regs_info[id].ctrl_addr; ret = palmas_update_bits(palmas, PALMAS_LDO_BASE, addr, PALMAS_LDO1_CTRL_MODE_ACTIVE, PALMAS_LDO1_CTRL_MODE_ACTIVE); @@ -593,7 +639,9 @@ static int palmas_extreg_init(struct palmas *palmas, int id, int ret; unsigned int val = 0; - addr = palmas_regs_info[id].ctrl_addr; + struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; + + addr = ddata->palmas_regs_info[id].ctrl_addr; if (reg_init->mode_sleep) val = PALMAS_REGEN1_CTRL_MODE_SLEEP; @@ -608,7 +656,7 @@ static int palmas_extreg_init(struct palmas *palmas, int id, if (reg_init->roof_floor) { /* Enable externally controlled regulator */ - addr = palmas_regs_info[id].ctrl_addr; + addr = ddata->palmas_regs_info[id].ctrl_addr; ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE, PALMAS_REGEN1_CTRL_MODE_ACTIVE); @@ -629,7 +677,9 @@ static void palmas_enable_ldo8_track(struct palmas *palmas) unsigned int addr; int ret; - addr = palmas_regs_info[PALMAS_REG_LDO8].ctrl_addr; + struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; + + addr = ddata->palmas_regs_info[PALMAS_REG_LDO8].ctrl_addr; ret = palmas_ldo_read(palmas, addr, ®); if (ret) { @@ -648,7 +698,7 @@ static void palmas_enable_ldo8_track(struct palmas *palmas) * output is defined by the LDO8_VOLTAGE.VSEL register divided by two, * and can be set from 0.45 to 1.65 V. */ - addr = palmas_regs_info[PALMAS_REG_LDO8].vsel_addr; + addr = ddata->palmas_regs_info[PALMAS_REG_LDO8].vsel_addr; ret = palmas_ldo_read(palmas, addr, ®); if (ret) { dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n"); @@ -663,169 +713,131 @@ static void palmas_enable_ldo8_track(struct palmas *palmas) return; } -static struct of_regulator_match palmas_matches[] = { - { .name = "smps12", }, - { .name = "smps123", }, - { .name = "smps3", }, - { .name = "smps45", }, - { .name = "smps457", }, - { .name = "smps6", }, - { .name = "smps7", }, - { .name = "smps8", }, - { .name = "smps9", }, - { .name = "smps10_out2", }, - { .name = "smps10_out1", }, - { .name = "ldo1", }, - { .name = "ldo2", }, - { .name = "ldo3", }, - { .name = "ldo4", }, - { .name = "ldo5", }, - { .name = "ldo6", }, - { .name = "ldo7", }, - { .name = "ldo8", }, - { .name = "ldo9", }, - { .name = "ldoln", }, - { .name = "ldousb", }, - { .name = "regen1", }, - { .name = "regen2", }, - { .name = "regen3", }, - { .name = "sysen1", }, - { .name = "sysen2", }, -}; - -static void palmas_dt_to_pdata(struct device *dev, - struct device_node *node, - struct palmas_pmic_platform_data *pdata) +static int palmas_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) { - struct device_node *regulators; - u32 prop; - int idx, ret; + int id, ret; + struct regulator_dev *rdev; + struct palmas_reg_init *reg_init; - node = of_node_get(node); - regulators = of_get_child_by_name(node, "regulators"); - if (!regulators) { - dev_info(dev, "regulator node not found\n"); - return; - } + 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; - ret = of_regulator_match(dev, regulators, palmas_matches, - PALMAS_NUM_REGS); - of_node_put(regulators); - if (ret < 0) { - dev_err(dev, "Error parsing regulator init data: %d\n", ret); - return; - } + /* Miss out regulators which are not available due + * to alternate functions. + */ - for (idx = 0; idx < PALMAS_NUM_REGS; idx++) { - if (!palmas_matches[idx].init_data || - !palmas_matches[idx].of_node) - continue; + /* 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; - pdata->reg_data[idx] = palmas_matches[idx].init_data; + if (id < PALMAS_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 = &palmas_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; - pdata->reg_init[idx] = devm_kzalloc(dev, - sizeof(struct palmas_reg_init), GFP_KERNEL); + /* Check if LDO8 is in tracking mode or not */ + if (pdata && (id == PALMAS_REG_LDO8) && + pdata->enable_ldo8_tracking) { + palmas_enable_ldo8_track(pmic->palmas); + pmic->desc[id].min_uV = 450000; + pmic->desc[id].uV_step = 25000; + } - pdata->reg_init[idx]->warm_reset = - of_property_read_bool(palmas_matches[idx].of_node, - "ti,warm-reset"); + /* LOD6 in vibrator mode will have enable time 2000us */ + if (pdata && pdata->ldo6_vibrator && + (id == PALMAS_REG_LDO6)) + pmic->desc[id].enable_time = 2000; + } 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; + } - ret = of_property_read_u32(palmas_matches[idx].of_node, - "ti,roof-floor", &prop); - /* EINVAL: Property not found */ - if (ret != -EINVAL) { - int econtrol; + if (pdata) + config.init_data = pdata->reg_data[id]; + else + config.init_data = NULL; - /* use default value, when no value is specified */ - econtrol = PALMAS_EXT_CONTROL_NSLEEP; - if (!ret) { - switch (prop) { - case 1: - econtrol = PALMAS_EXT_CONTROL_ENABLE1; - break; - case 2: - econtrol = PALMAS_EXT_CONTROL_ENABLE2; - break; - case 3: - econtrol = PALMAS_EXT_CONTROL_NSLEEP; - break; - default: - WARN_ON(1); - dev_warn(dev, - "%s: Invalid roof-floor option: %u\n", - palmas_matches[idx].name, prop); - break; - } - } - pdata->reg_init[idx]->roof_floor = econtrol; - } + pmic->desc[id].supply_name = ddata->palmas_regs_info[id].sname; + config.of_node = ddata->palmas_matches[id].of_node; - ret = of_property_read_u32(palmas_matches[idx].of_node, - "ti,mode-sleep", &prop); - if (!ret) - pdata->reg_init[idx]->mode_sleep = prop; + 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); + } - ret = of_property_read_bool(palmas_matches[idx].of_node, - "ti,smps-range"); - if (ret) - pdata->reg_init[idx]->vsel = - PALMAS_SMPS12_VOLTAGE_RANGE; + /* Save regulator for cleanup */ + pmic->rdev[id] = rdev; - if (idx == PALMAS_REG_LDO8) - pdata->enable_ldo8_tracking = of_property_read_bool( - palmas_matches[idx].of_node, - "ti,enable-ldo8-tracking"); + /* Initialise sleep/init values from platform data */ + if (pdata) { + reg_init = pdata->reg_init[id]; + if (reg_init) { + if (id <= ddata->ldo_end) + ret = palmas_ldo_init(pmic->palmas, id, + reg_init); + else + ret = palmas_extreg_init(pmic->palmas, + id, reg_init); + if (ret) + return ret; + } + } } - pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator"); + return 0; } - -static int palmas_regulators_probe(struct platform_device *pdev) +static int palmas_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) { - struct palmas *palmas = dev_get_drvdata(pdev->dev.parent); - struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev); - struct device_node *node = pdev->dev.of_node; + int id, ret; + unsigned int addr, reg; struct regulator_dev *rdev; - struct regulator_config config = { }; - struct palmas_pmic *pmic; struct palmas_reg_init *reg_init; - int id = 0, ret; - unsigned int addr, reg; - - if (node && !pdata) { - pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); - - if (!pdata) - return -ENOMEM; - - palmas_dt_to_pdata(&pdev->dev, node, pdata); - } - - pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); - if (!pmic) - return -ENOMEM; - - pmic->dev = &pdev->dev; - pmic->palmas = palmas; - palmas->pmic = pmic; - platform_set_drvdata(pdev, pmic); - - ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, ®); - if (ret) - return ret; - - if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) - pmic->smps123 = 1; - - if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN) - pmic->smps457 = 1; - config.regmap = palmas->regmap[REGULATOR_SLAVE]; - config.dev = &pdev->dev; - config.driver_data = pmic; - - for (id = 0; id < PALMAS_REG_LDO1; id++) { + for (id = ddata->smps_start; id <= ddata->smps_end; id++) { bool ramp_delay_support = false; /* @@ -859,7 +871,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) break; case PALMAS_REG_SMPS10_OUT1: case PALMAS_REG_SMPS10_OUT2: - if (!PALMAS_PMIC_HAS(palmas, SMPS10_BOOST)) + if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST)) continue; } @@ -867,10 +879,10 @@ static int palmas_regulators_probe(struct platform_device *pdev) ramp_delay_support = true; if (ramp_delay_support) { - addr = palmas_regs_info[id].tstep_addr; + addr = ddata->palmas_regs_info[id].tstep_addr; ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret < 0) { - dev_err(&pdev->dev, + dev_err(pmic->dev, "reading TSTEP reg failed: %d\n", ret); return ret; } @@ -882,7 +894,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) /* Initialise sleep/init values from platform data */ if (pdata && pdata->reg_init[id]) { reg_init = pdata->reg_init[id]; - ret = palmas_smps_init(palmas, id, reg_init); + ret = palmas_smps_init(pmic->palmas, id, reg_init); if (ret) return ret; } else { @@ -890,7 +902,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) } /* Register the regulators */ - pmic->desc[id].name = palmas_regs_info[id].name; + pmic->desc[id].name = ddata->palmas_regs_info[id].name; pmic->desc[id].id = id; switch (id) { @@ -965,15 +977,15 @@ static int palmas_regulators_probe(struct platform_device *pdev) else config.init_data = NULL; - pmic->desc[id].supply_name = palmas_regs_info[id].sname; - config.of_node = palmas_matches[id].of_node; + pmic->desc[id].supply_name = ddata->palmas_regs_info[id].sname; + config.of_node = ddata->palmas_matches[id].of_node; - rdev = devm_regulator_register(&pdev->dev, &pmic->desc[id], + rdev = devm_regulator_register(pmic->dev, &pmic->desc[id], &config); if (IS_ERR(rdev)) { - dev_err(&pdev->dev, + dev_err(pmic->dev, "failed to register %s regulator\n", - pdev->name); + pdev_name); return PTR_ERR(rdev); } @@ -981,123 +993,237 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->rdev[id] = rdev; } - /* Start this loop from the id left from previous loop */ - for (; id < PALMAS_NUM_REGS; id++) { - if (pdata && pdata->reg_init[id]) - reg_init = pdata->reg_init[id]; - else - reg_init = NULL; + return 0; +} - /* Miss out regulators which are not available due - * to alternate functions. - */ +static struct of_regulator_match palmas_matches[] = { + { .name = "smps12", }, + { .name = "smps123", }, + { .name = "smps3", }, + { .name = "smps45", }, + { .name = "smps457", }, + { .name = "smps6", }, + { .name = "smps7", }, + { .name = "smps8", }, + { .name = "smps9", }, + { .name = "smps10_out2", }, + { .name = "smps10_out1", }, + { .name = "ldo1", }, + { .name = "ldo2", }, + { .name = "ldo3", }, + { .name = "ldo4", }, + { .name = "ldo5", }, + { .name = "ldo6", }, + { .name = "ldo7", }, + { .name = "ldo8", }, + { .name = "ldo9", }, + { .name = "ldoln", }, + { .name = "ldousb", }, + { .name = "regen1", }, + { .name = "regen2", }, + { .name = "regen3", }, + { .name = "sysen1", }, + { .name = "sysen2", }, +}; - /* Register the regulators */ - pmic->desc[id].name = palmas_regs_info[id].name; - pmic->desc[id].id = id; - pmic->desc[id].type = REGULATOR_VOLTAGE; - pmic->desc[id].owner = THIS_MODULE; +struct palmas_pmic_driver_data palmas_ddata = { + .smps_start = PALMAS_REG_SMPS12, + .smps_end = PALMAS_REG_SMPS10_OUT1, + .ldo_begin = PALMAS_REG_LDO1, + .ldo_end = PALMAS_REG_LDOUSB, + .max_reg = PALMAS_NUM_REGS, + .palmas_regs_info = palmas_regs_info, + .palmas_matches = palmas_matches, + .sleep_req_info = palma_sleep_req_info, + .smps_register = palmas_smps_registration, + .ldo_register = palmas_ldo_registration, +}; - if (id < PALMAS_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 = &palmas_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, - 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, - palmas_regs_info[id].ctrl_addr); - pmic->desc[id].enable_mask = - PALMAS_LDO1_CTRL_MODE_ACTIVE; +static void palmas_dt_to_pdata(struct device *dev, + struct device_node *node, + struct palmas_pmic_platform_data *pdata, + struct palmas_pmic_driver_data *ddata) +{ + struct device_node *regulators; + u32 prop; + int idx, ret; - /* Check if LDO8 is in tracking mode or not */ - if (pdata && (id == PALMAS_REG_LDO8) && - pdata->enable_ldo8_tracking) { - palmas_enable_ldo8_track(palmas); - pmic->desc[id].min_uV = 450000; - pmic->desc[id].uV_step = 25000; - } + node = of_node_get(node); + regulators = of_get_child_by_name(node, "regulators"); + if (!regulators) { + dev_info(dev, "regulator node not found\n"); + return; + } - /* LOD6 in vibrator mode will have enable time 2000us */ - if (pdata && pdata->ldo6_vibrator && - (id == PALMAS_REG_LDO6)) - pmic->desc[id].enable_time = 2000; - } 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, - palmas_regs_info[id].ctrl_addr); - pmic->desc[id].enable_mask = - PALMAS_REGEN1_CTRL_MODE_ACTIVE; - } + ret = of_regulator_match(dev, regulators, ddata->palmas_matches, + ddata->max_reg); + of_node_put(regulators); + if (ret < 0) { + dev_err(dev, "Error parsing regulator init data: %d\n", ret); + return; + } - if (pdata) - config.init_data = pdata->reg_data[id]; - else - config.init_data = NULL; + for (idx = 0; idx < ddata->max_reg; idx++) { + if (!ddata->palmas_matches[idx].init_data || + !ddata->palmas_matches[idx].of_node) + continue; - pmic->desc[id].supply_name = palmas_regs_info[id].sname; - config.of_node = palmas_matches[id].of_node; + pdata->reg_data[idx] = ddata->palmas_matches[idx].init_data; - rdev = devm_regulator_register(&pdev->dev, &pmic->desc[id], - &config); - if (IS_ERR(rdev)) { - dev_err(&pdev->dev, - "failed to register %s regulator\n", - pdev->name); - return PTR_ERR(rdev); - } + pdata->reg_init[idx] = devm_kzalloc(dev, + sizeof(struct palmas_reg_init), GFP_KERNEL); - /* Save regulator for cleanup */ - pmic->rdev[id] = rdev; + pdata->reg_init[idx]->warm_reset = + of_property_read_bool(ddata->palmas_matches[idx].of_node, + "ti,warm-reset"); - /* Initialise sleep/init values from platform data */ - if (pdata) { - reg_init = pdata->reg_init[id]; - if (reg_init) { - if (id < PALMAS_REG_REGEN1) - ret = palmas_ldo_init(palmas, - id, reg_init); - else - ret = palmas_extreg_init(palmas, - id, reg_init); - if (ret) - return ret; + ret = of_property_read_u32(ddata->palmas_matches[idx].of_node, + "ti,roof-floor", &prop); + /* EINVAL: Property not found */ + if (ret != -EINVAL) { + int econtrol; + + /* use default value, when no value is specified */ + econtrol = PALMAS_EXT_CONTROL_NSLEEP; + if (!ret) { + switch (prop) { + case 1: + econtrol = PALMAS_EXT_CONTROL_ENABLE1; + break; + case 2: + econtrol = PALMAS_EXT_CONTROL_ENABLE2; + break; + case 3: + econtrol = PALMAS_EXT_CONTROL_NSLEEP; + break; + default: + WARN_ON(1); + dev_warn(dev, + "%s: Invalid roof-floor option: %u\n", + palmas_matches[idx].name, prop); + break; + } } + pdata->reg_init[idx]->roof_floor = econtrol; } - } + ret = of_property_read_u32(ddata->palmas_matches[idx].of_node, + "ti,mode-sleep", &prop); + if (!ret) + pdata->reg_init[idx]->mode_sleep = prop; - return 0; + ret = of_property_read_bool(ddata->palmas_matches[idx].of_node, + "ti,smps-range"); + if (ret) + pdata->reg_init[idx]->vsel = + PALMAS_SMPS12_VOLTAGE_RANGE; + + if (idx == PALMAS_REG_LDO8) + pdata->enable_ldo8_tracking = of_property_read_bool( + ddata->palmas_matches[idx].of_node, + "ti,enable-ldo8-tracking"); + } + + pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator"); } -static const struct of_device_id of_palmas_match_tbl[] = { - { .compatible = "ti,palmas-pmic", }, - { .compatible = "ti,twl6035-pmic", }, - { .compatible = "ti,twl6036-pmic", }, - { .compatible = "ti,twl6037-pmic", }, - { .compatible = "ti,tps65913-pmic", }, - { .compatible = "ti,tps65914-pmic", }, - { .compatible = "ti,tps80036-pmic", }, - { .compatible = "ti,tps659038-pmic", }, +static struct of_device_id of_palmas_match_tbl[] = { + { + .compatible = "ti,palmas-pmic", + .data = &palmas_ddata, + }, + { + .compatible = "ti,twl6035-pmic", + .data = &palmas_ddata, + }, + { + .compatible = "ti,twl6036-pmic", + .data = &palmas_ddata, + }, + { + .compatible = "ti,twl6037-pmic", + .data = &palmas_ddata, + }, + { + .compatible = "ti,tps65913-pmic", + .data = &palmas_ddata, + }, + { + .compatible = "ti,tps65914-pmic", + .data = &palmas_ddata, + }, + { + .compatible = "ti,tps80036-pmic", + .data = &palmas_ddata, + }, + { + .compatible = "ti,tps659038-pmic", + .data = &palmas_ddata, + }, { /* end */ } }; +static int palmas_regulators_probe(struct platform_device *pdev) +{ + struct palmas *palmas = dev_get_drvdata(pdev->dev.parent); + struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct device_node *node = pdev->dev.of_node; + struct palmas_pmic_driver_data *driver_data; + struct regulator_config config = { }; + struct palmas_pmic *pmic; + const char *pdev_name; + const struct of_device_id *match; + int ret = 0; + unsigned int reg; + + match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev); + + if (!match) + return -ENODATA; + + driver_data = (struct palmas_pmic_driver_data *)match->data; + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); + if (!pmic) + return -ENOMEM; + + pmic->dev = &pdev->dev; + pmic->palmas = palmas; + palmas->pmic = pmic; + platform_set_drvdata(pdev, pmic); + pmic->palmas->pmic_ddata = driver_data; + + palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data); + + ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, ®); + if (ret) + return ret; + + if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) + pmic->smps123 = 1; + + if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN) + pmic->smps457 = 1; + + config.regmap = palmas->regmap[REGULATOR_SLAVE]; + config.dev = &pdev->dev; + config.driver_data = pmic; + pdev_name = pdev->name; + + ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name, + config); + if (ret) + return ret; + + ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name, + config); + + return ret; +} + static struct platform_driver palmas_driver = { .driver = { .name = "palmas-pmic", |