#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
#include "pv88080-regulator.h"
-#define PV88080_MAX_REGULATORS 3
+#define PV88080_MAX_REGULATORS 4
/* PV88080 REGULATOR IDs */
enum {
PV88080_ID_BUCK1,
PV88080_ID_BUCK2,
PV88080_ID_BUCK3,
+ PV88080_ID_HVBUCK,
+};
+
+enum pv88080_types {
+ TYPE_PV88080_AA,
+ TYPE_PV88080_BA,
};
struct pv88080_regulator {
unsigned int n_current_limits;
const int *current_limits;
unsigned int limit_mask;
- unsigned int conf;
+ unsigned int mode_reg;
+ unsigned int limit_reg;
unsigned int conf2;
unsigned int conf5;
};
struct device *dev;
struct regmap *regmap;
struct regulator_dev *rdev[PV88080_MAX_REGULATORS];
+ unsigned long type;
+ const struct pv88080_compatible_regmap *regmap_config;
};
struct pv88080_buck_voltage {
int uV_step;
};
+struct pv88080_buck_regmap {
+ /* REGS */
+ int buck_enable_reg;
+ int buck_vsel_reg;
+ int buck_mode_reg;
+ int buck_limit_reg;
+ int buck_vdac_range_reg;
+ int buck_vrange_gain_reg;
+ /* MASKS */
+ int buck_enable_mask;
+ int buck_vsel_mask;
+ int buck_limit_mask;
+};
+
+struct pv88080_compatible_regmap {
+ /* BUCK1, 2, 3 */
+ struct pv88080_buck_regmap buck_regmap[PV88080_MAX_REGULATORS-1];
+ /* HVBUCK */
+ int hvbuck_enable_reg;
+ int hvbuck_vsel_reg;
+ int hvbuck_enable_mask;
+ int hvbuck_vsel_mask;
+};
+
static const struct regmap_config pv88080_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
},
};
+static const struct pv88080_compatible_regmap pv88080_aa_regs = {
+ /* BUCK1 */
+ .buck_regmap[0] = {
+ .buck_enable_reg = PV88080AA_REG_BUCK1_CONF0,
+ .buck_vsel_reg = PV88080AA_REG_BUCK1_CONF0,
+ .buck_mode_reg = PV88080AA_REG_BUCK1_CONF1,
+ .buck_limit_reg = PV88080AA_REG_BUCK1_CONF1,
+ .buck_vdac_range_reg = PV88080AA_REG_BUCK1_CONF2,
+ .buck_vrange_gain_reg = PV88080AA_REG_BUCK1_CONF5,
+ .buck_enable_mask = PV88080_BUCK1_EN,
+ .buck_vsel_mask = PV88080_VBUCK1_MASK,
+ .buck_limit_mask = PV88080_BUCK1_ILIM_MASK,
+ },
+ /* BUCK2 */
+ .buck_regmap[1] = {
+ .buck_enable_reg = PV88080AA_REG_BUCK2_CONF0,
+ .buck_vsel_reg = PV88080AA_REG_BUCK2_CONF0,
+ .buck_mode_reg = PV88080AA_REG_BUCK2_CONF1,
+ .buck_limit_reg = PV88080AA_REG_BUCK2_CONF1,
+ .buck_vdac_range_reg = PV88080AA_REG_BUCK2_CONF2,
+ .buck_vrange_gain_reg = PV88080AA_REG_BUCK2_CONF5,
+ .buck_enable_mask = PV88080_BUCK2_EN,
+ .buck_vsel_mask = PV88080_VBUCK2_MASK,
+ .buck_limit_mask = PV88080_BUCK2_ILIM_MASK,
+ },
+ /* BUCK3 */
+ .buck_regmap[2] = {
+ .buck_enable_reg = PV88080AA_REG_BUCK3_CONF0,
+ .buck_vsel_reg = PV88080AA_REG_BUCK3_CONF0,
+ .buck_mode_reg = PV88080AA_REG_BUCK3_CONF1,
+ .buck_limit_reg = PV88080AA_REG_BUCK3_CONF1,
+ .buck_vdac_range_reg = PV88080AA_REG_BUCK3_CONF2,
+ .buck_vrange_gain_reg = PV88080AA_REG_BUCK3_CONF5,
+ .buck_enable_mask = PV88080_BUCK3_EN,
+ .buck_vsel_mask = PV88080_VBUCK3_MASK,
+ .buck_limit_mask = PV88080_BUCK3_ILIM_MASK,
+ },
+ /* HVBUCK */
+ .hvbuck_enable_reg = PV88080AA_REG_HVBUCK_CONF2,
+ .hvbuck_vsel_reg = PV88080AA_REG_HVBUCK_CONF1,
+ .hvbuck_enable_mask = PV88080_HVBUCK_EN,
+ .hvbuck_vsel_mask = PV88080_VHVBUCK_MASK,
+};
+
+static const struct pv88080_compatible_regmap pv88080_ba_regs = {
+ /* BUCK1 */
+ .buck_regmap[0] = {
+ .buck_enable_reg = PV88080BA_REG_BUCK1_CONF0,
+ .buck_vsel_reg = PV88080BA_REG_BUCK1_CONF0,
+ .buck_mode_reg = PV88080BA_REG_BUCK1_CONF1,
+ .buck_limit_reg = PV88080BA_REG_BUCK1_CONF1,
+ .buck_vdac_range_reg = PV88080BA_REG_BUCK1_CONF2,
+ .buck_vrange_gain_reg = PV88080BA_REG_BUCK1_CONF5,
+ .buck_enable_mask = PV88080_BUCK1_EN,
+ .buck_vsel_mask = PV88080_VBUCK1_MASK,
+ .buck_limit_mask = PV88080_BUCK1_ILIM_MASK,
+ },
+ /* BUCK2 */
+ .buck_regmap[1] = {
+ .buck_enable_reg = PV88080BA_REG_BUCK2_CONF0,
+ .buck_vsel_reg = PV88080BA_REG_BUCK2_CONF0,
+ .buck_mode_reg = PV88080BA_REG_BUCK2_CONF1,
+ .buck_limit_reg = PV88080BA_REG_BUCK2_CONF1,
+ .buck_vdac_range_reg = PV88080BA_REG_BUCK2_CONF2,
+ .buck_vrange_gain_reg = PV88080BA_REG_BUCK2_CONF5,
+ .buck_enable_mask = PV88080_BUCK2_EN,
+ .buck_vsel_mask = PV88080_VBUCK2_MASK,
+ .buck_limit_mask = PV88080_BUCK2_ILIM_MASK,
+ },
+ /* BUCK3 */
+ .buck_regmap[2] = {
+ .buck_enable_reg = PV88080BA_REG_BUCK3_CONF0,
+ .buck_vsel_reg = PV88080BA_REG_BUCK3_CONF0,
+ .buck_mode_reg = PV88080BA_REG_BUCK3_CONF1,
+ .buck_limit_reg = PV88080BA_REG_BUCK3_CONF1,
+ .buck_vdac_range_reg = PV88080BA_REG_BUCK3_CONF2,
+ .buck_vrange_gain_reg = PV88080BA_REG_BUCK3_CONF5,
+ .buck_enable_mask = PV88080_BUCK3_EN,
+ .buck_vsel_mask = PV88080_VBUCK3_MASK,
+ .buck_limit_mask = PV88080_BUCK3_ILIM_MASK,
+ },
+ /* HVBUCK */
+ .hvbuck_enable_reg = PV88080BA_REG_HVBUCK_CONF2,
+ .hvbuck_vsel_reg = PV88080BA_REG_HVBUCK_CONF1,
+ .hvbuck_enable_mask = PV88080_HVBUCK_EN,
+ .hvbuck_vsel_mask = PV88080_VHVBUCK_MASK,
+};
+
+#ifdef CONFIG_OF
+static const struct of_device_id pv88080_dt_ids[] = {
+ { .compatible = "pvs,pv88080", .data = (void *)TYPE_PV88080_AA },
+ { .compatible = "pvs,pv88080-aa", .data = (void *)TYPE_PV88080_AA },
+ { .compatible = "pvs,pv88080-ba", .data = (void *)TYPE_PV88080_BA },
+ {},
+};
+MODULE_DEVICE_TABLE(of, pv88080_dt_ids);
+#endif
+
static unsigned int pv88080_buck_get_mode(struct regulator_dev *rdev)
{
struct pv88080_regulator *info = rdev_get_drvdata(rdev);
unsigned int data;
int ret, mode = 0;
- ret = regmap_read(rdev->regmap, info->conf, &data);
+ ret = regmap_read(rdev->regmap, info->mode_reg, &data);
if (ret < 0)
return ret;
return -EINVAL;
}
- return regmap_update_bits(rdev->regmap, info->conf,
+ return regmap_update_bits(rdev->regmap, info->mode_reg,
PV88080_BUCK1_MODE_MASK, val);
}
if (min <= info->current_limits[i]
&& max >= info->current_limits[i]) {
return regmap_update_bits(rdev->regmap,
- info->conf,
+ info->limit_reg,
info->limit_mask,
i << PV88080_BUCK1_ILIM_SHIFT);
}
unsigned int data;
int ret;
- ret = regmap_read(rdev->regmap, info->conf, &data);
+ ret = regmap_read(rdev->regmap, info->limit_reg, &data);
if (ret < 0)
return ret;
.get_current_limit = pv88080_get_current_limit,
};
+static struct regulator_ops pv88080_hvbuck_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+};
+
#define PV88080_BUCK(chip, regl_name, min, step, max, limits_array) \
{\
.desc = {\
.min_uV = min, \
.uV_step = step, \
.n_voltages = ((max) - (min))/(step) + 1, \
- .enable_reg = PV88080_REG_##regl_name##_CONF0, \
- .enable_mask = PV88080_##regl_name##_EN, \
- .vsel_reg = PV88080_REG_##regl_name##_CONF0, \
- .vsel_mask = PV88080_V##regl_name##_MASK, \
},\
.current_limits = limits_array, \
.n_current_limits = ARRAY_SIZE(limits_array), \
- .limit_mask = PV88080_##regl_name##_ILIM_MASK, \
- .conf = PV88080_REG_##regl_name##_CONF1, \
- .conf2 = PV88080_REG_##regl_name##_CONF2, \
- .conf5 = PV88080_REG_##regl_name##_CONF5, \
+}
+
+#define PV88080_HVBUCK(chip, regl_name, min, step, max) \
+{\
+ .desc = {\
+ .id = chip##_ID_##regl_name,\
+ .name = __stringify(chip##_##regl_name),\
+ .of_match = of_match_ptr(#regl_name),\
+ .regulators_node = of_match_ptr("regulators"),\
+ .type = REGULATOR_VOLTAGE,\
+ .owner = THIS_MODULE,\
+ .ops = &pv88080_hvbuck_ops,\
+ .min_uV = min, \
+ .uV_step = step, \
+ .n_voltages = ((max) - (min))/(step) + 1, \
+ },\
}
static struct pv88080_regulator pv88080_regulator_info[] = {
pv88080_buck23_limits),
PV88080_BUCK(PV88080, BUCK3, 600000, 6250, 1393750,
pv88080_buck23_limits),
+ PV88080_HVBUCK(PV88080, HVBUCK, 0, 5000, 1275000),
};
static irqreturn_t pv88080_irq_handler(int irq, void *data)
{
struct regulator_init_data *init_data = dev_get_platdata(&i2c->dev);
struct pv88080 *chip;
+ const struct pv88080_compatible_regmap *regmap_config;
+ const struct of_device_id *match;
struct regulator_config config = { };
int i, error, ret;
unsigned int conf2, conf5;
return error;
}
+ if (i2c->dev.of_node) {
+ match = of_match_node(pv88080_dt_ids, i2c->dev.of_node);
+ if (!match) {
+ dev_err(chip->dev, "Failed to get of_match_node\n");
+ return -EINVAL;
+ }
+ chip->type = (unsigned long)match->data;
+ } else {
+ chip->type = id->driver_data;
+ }
+
i2c_set_clientdata(i2c, chip);
if (i2c->irq != 0) {
"Failed to update mask reg: %d\n", ret);
return ret;
}
-
} else {
dev_warn(chip->dev, "No IRQ configured\n");
}
+ switch (chip->type) {
+ case TYPE_PV88080_AA:
+ chip->regmap_config = &pv88080_aa_regs;
+ break;
+ case TYPE_PV88080_BA:
+ chip->regmap_config = &pv88080_ba_regs;
+ break;
+ }
+
+ regmap_config = chip->regmap_config;
config.dev = chip->dev;
config.regmap = chip->regmap;
- for (i = 0; i < PV88080_MAX_REGULATORS; i++) {
+ /* Registeration for BUCK1, 2, 3 */
+ for (i = 0; i < PV88080_MAX_REGULATORS-1; i++) {
if (init_data)
config.init_data = &init_data[i];
+ pv88080_regulator_info[i].limit_reg
+ = regmap_config->buck_regmap[i].buck_limit_reg;
+ pv88080_regulator_info[i].limit_mask
+ = regmap_config->buck_regmap[i].buck_limit_mask;
+ pv88080_regulator_info[i].mode_reg
+ = regmap_config->buck_regmap[i].buck_mode_reg;
+ pv88080_regulator_info[i].conf2
+ = regmap_config->buck_regmap[i].buck_vdac_range_reg;
+ pv88080_regulator_info[i].conf5
+ = regmap_config->buck_regmap[i].buck_vrange_gain_reg;
+ pv88080_regulator_info[i].desc.enable_reg
+ = regmap_config->buck_regmap[i].buck_enable_reg;
+ pv88080_regulator_info[i].desc.enable_mask
+ = regmap_config->buck_regmap[i].buck_enable_mask;
+ pv88080_regulator_info[i].desc.vsel_reg
+ = regmap_config->buck_regmap[i].buck_vsel_reg;
+ pv88080_regulator_info[i].desc.vsel_mask
+ = regmap_config->buck_regmap[i].buck_vsel_mask;
+
ret = regmap_read(chip->regmap,
- pv88080_regulator_info[i].conf2, &conf2);
+ pv88080_regulator_info[i].conf2, &conf2);
if (ret < 0)
return ret;
-
conf2 = ((conf2 >> PV88080_BUCK_VDAC_RANGE_SHIFT) &
PV88080_BUCK_VDAC_RANGE_MASK);
ret = regmap_read(chip->regmap,
- pv88080_regulator_info[i].conf5, &conf5);
+ pv88080_regulator_info[i].conf5, &conf5);
if (ret < 0)
return ret;
-
conf5 = ((conf5 >> PV88080_BUCK_VRANGE_GAIN_SHIFT) &
PV88080_BUCK_VRANGE_GAIN_MASK);
}
}
+ pv88080_regulator_info[PV88080_ID_HVBUCK].desc.enable_reg
+ = regmap_config->hvbuck_enable_reg;
+ pv88080_regulator_info[PV88080_ID_HVBUCK].desc.enable_mask
+ = regmap_config->hvbuck_enable_mask;
+ pv88080_regulator_info[PV88080_ID_HVBUCK].desc.vsel_reg
+ = regmap_config->hvbuck_vsel_reg;
+ pv88080_regulator_info[PV88080_ID_HVBUCK].desc.vsel_mask
+ = regmap_config->hvbuck_vsel_mask;
+
+ /* Registeration for HVBUCK */
+ if (init_data)
+ config.init_data = &init_data[PV88080_ID_HVBUCK];
+
+ config.driver_data = (void *)&pv88080_regulator_info[PV88080_ID_HVBUCK];
+ chip->rdev[PV88080_ID_HVBUCK] = devm_regulator_register(chip->dev,
+ &pv88080_regulator_info[PV88080_ID_HVBUCK].desc, &config);
+ if (IS_ERR(chip->rdev[PV88080_ID_HVBUCK])) {
+ dev_err(chip->dev, "Failed to register PV88080 regulator\n");
+ return PTR_ERR(chip->rdev[PV88080_ID_HVBUCK]);
+ }
+
return 0;
}
static const struct i2c_device_id pv88080_i2c_id[] = {
- {"pv88080", 0},
+ { "pv88080", TYPE_PV88080_AA },
+ { "pv88080-aa", TYPE_PV88080_AA },
+ { "pv88080-ba", TYPE_PV88080_BA },
{},
};
MODULE_DEVICE_TABLE(i2c, pv88080_i2c_id);
-#ifdef CONFIG_OF
-static const struct of_device_id pv88080_dt_ids[] = {
- { .compatible = "pvs,pv88080", .data = &pv88080_i2c_id[0] },
- {},
-};
-MODULE_DEVICE_TABLE(of, pv88080_dt_ids);
-#endif
-
static struct i2c_driver pv88080_regulator_driver = {
.driver = {
.name = "pv88080",
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