regulator: palmas: Add tps65917 PMIC support

Add tps65917 PMIC support.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

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, &reg);
+                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, &reg);
+                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 */ }
 };