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Date: Wed, 28 May 2014 15:50:22 +0530
From: Keerthy <j-keerthy@...com>
To: <linux-omap@...r.kernel.org>
CC: <lgirdwood@...il.com>, <broonie@...nel.org>,
<linux-kernel@...r.kernel.org>, <sameo@...ux.intel.com>,
<lee.jones@...aro.org>, Keerthy <j-keerthy@...com>
Subject: [PATCH 9/9] regulator: palmas: Add tps65917 PMIC support
Add tps65917 PMIC support.
Signed-off-by: Keerthy <j-keerthy@...com>
---
drivers/regulator/palmas-regulator.c | 387 ++++++++++++++++++++++++++++++++++
1 file changed, 387 insertions(+)
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 94c9863..98c4532 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -225,6 +225,94 @@ 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, \
@@ -261,6 +349,29 @@ 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
@@ -449,6 +560,28 @@ 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);
@@ -490,6 +623,17 @@ 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)
{
@@ -824,6 +968,111 @@ 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,
@@ -994,6 +1243,109 @@ 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", },
@@ -1024,6 +1376,24 @@ 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,
@@ -1037,6 +1407,19 @@ 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,
@@ -1158,6 +1541,10 @@ static struct of_device_id of_palmas_match_tbl[] = {
.compatible = "ti,tps659038-pmic",
.data = &palmas_ddata,
},
+ {
+ .compatible = "ti,tps65917-pmic",
+ .data = &tps65917_ddata,
+ },
{ /* end */ }
};
--
1.7.9.5
--
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