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path: root/drivers/regulator/bd718x7-regulator.c
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-rw-r--r--drivers/regulator/bd718x7-regulator.c194
1 files changed, 65 insertions, 129 deletions
diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c
index 8f9b2d8eaf10..cf3872837abc 100644
--- a/drivers/regulator/bd718x7-regulator.c
+++ b/drivers/regulator/bd718x7-regulator.c
@@ -318,6 +318,7 @@ struct reg_init {
};
struct bd718xx_regulator_data {
struct regulator_desc desc;
+ const struct rohm_dvs_config dvs;
const struct reg_init init;
const struct reg_init *additional_inits;
int additional_init_amnt;
@@ -349,133 +350,15 @@ static const struct reg_init bd71837_ldo6_inits[] = {
},
};
-#define NUM_DVS_BUCKS 4
-
-struct of_dvs_setting {
- const char *prop;
- unsigned int reg;
-};
-
-static int set_dvs_levels(const struct of_dvs_setting *dvs,
- struct device_node *np,
- const struct regulator_desc *desc,
- struct regmap *regmap)
-{
- int ret, i;
- unsigned int uv;
-
- ret = of_property_read_u32(np, dvs->prop, &uv);
- if (ret) {
- if (ret != -EINVAL)
- return ret;
- return 0;
- }
-
- for (i = 0; i < desc->n_voltages; i++) {
- ret = regulator_desc_list_voltage_linear_range(desc, i);
- if (ret < 0)
- continue;
- if (ret == uv) {
- i <<= ffs(desc->vsel_mask) - 1;
- ret = regmap_update_bits(regmap, dvs->reg,
- DVS_BUCK_RUN_MASK, i);
- break;
- }
- }
- return ret;
-}
-
-static int buck4_set_hw_dvs_levels(struct device_node *np,
+static int buck_set_hw_dvs_levels(struct device_node *np,
const struct regulator_desc *desc,
struct regulator_config *cfg)
{
- int ret, i;
- const struct of_dvs_setting dvs[] = {
- {
- .prop = "rohm,dvs-run-voltage",
- .reg = BD71837_REG_BUCK4_VOLT_RUN,
- },
- };
+ struct bd718xx_regulator_data *data;
- for (i = 0; i < ARRAY_SIZE(dvs); i++) {
- ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
- if (ret)
- break;
- }
- return ret;
-}
-static int buck3_set_hw_dvs_levels(struct device_node *np,
- const struct regulator_desc *desc,
- struct regulator_config *cfg)
-{
- int ret, i;
- const struct of_dvs_setting dvs[] = {
- {
- .prop = "rohm,dvs-run-voltage",
- .reg = BD71837_REG_BUCK3_VOLT_RUN,
- },
- };
+ data = container_of(desc, struct bd718xx_regulator_data, desc);
- for (i = 0; i < ARRAY_SIZE(dvs); i++) {
- ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
- if (ret)
- break;
- }
- return ret;
-}
-
-static int buck2_set_hw_dvs_levels(struct device_node *np,
- const struct regulator_desc *desc,
- struct regulator_config *cfg)
-{
- int ret, i;
- const struct of_dvs_setting dvs[] = {
- {
- .prop = "rohm,dvs-run-voltage",
- .reg = BD718XX_REG_BUCK2_VOLT_RUN,
- },
- {
- .prop = "rohm,dvs-idle-voltage",
- .reg = BD718XX_REG_BUCK2_VOLT_IDLE,
- },
- };
-
-
-
- for (i = 0; i < ARRAY_SIZE(dvs); i++) {
- ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
- if (ret)
- break;
- }
- return ret;
-}
-
-static int buck1_set_hw_dvs_levels(struct device_node *np,
- const struct regulator_desc *desc,
- struct regulator_config *cfg)
-{
- int ret, i;
- const struct of_dvs_setting dvs[] = {
- {
- .prop = "rohm,dvs-run-voltage",
- .reg = BD718XX_REG_BUCK1_VOLT_RUN,
- },
- {
- .prop = "rohm,dvs-idle-voltage",
- .reg = BD718XX_REG_BUCK1_VOLT_IDLE,
- },
- {
- .prop = "rohm,dvs-suspend-voltage",
- .reg = BD718XX_REG_BUCK1_VOLT_SUSP,
- },
- };
-
- for (i = 0; i < ARRAY_SIZE(dvs); i++) {
- ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
- if (ret)
- break;
- }
- return ret;
+ return rohm_regulator_set_dvs_levels(&data->dvs, np, desc, cfg->regmap);
}
static const struct bd718xx_regulator_data bd71847_regulators[] = {
@@ -496,7 +379,17 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
.enable_reg = BD718XX_REG_BUCK1_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
- .of_parse_cb = buck1_set_hw_dvs_levels,
+ .of_parse_cb = buck_set_hw_dvs_levels,
+ },
+ .dvs = {
+ .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE |
+ ROHM_DVS_LEVEL_SUSPEND,
+ .run_reg = BD718XX_REG_BUCK1_VOLT_RUN,
+ .run_mask = DVS_BUCK_RUN_MASK,
+ .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE,
+ .idle_mask = DVS_BUCK_RUN_MASK,
+ .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP,
+ .suspend_mask = DVS_BUCK_RUN_MASK,
},
.init = {
.reg = BD718XX_REG_BUCK1_CTRL,
@@ -520,7 +413,14 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
.enable_reg = BD718XX_REG_BUCK2_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
- .of_parse_cb = buck2_set_hw_dvs_levels,
+ .of_parse_cb = buck_set_hw_dvs_levels,
+ },
+ .dvs = {
+ .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE,
+ .run_reg = BD718XX_REG_BUCK2_VOLT_RUN,
+ .run_mask = DVS_BUCK_RUN_MASK,
+ .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE,
+ .idle_mask = DVS_BUCK_RUN_MASK,
},
.init = {
.reg = BD718XX_REG_BUCK2_CTRL,
@@ -792,7 +692,17 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.enable_reg = BD718XX_REG_BUCK1_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
- .of_parse_cb = buck1_set_hw_dvs_levels,
+ .of_parse_cb = buck_set_hw_dvs_levels,
+ },
+ .dvs = {
+ .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE |
+ ROHM_DVS_LEVEL_SUSPEND,
+ .run_reg = BD718XX_REG_BUCK1_VOLT_RUN,
+ .run_mask = DVS_BUCK_RUN_MASK,
+ .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE,
+ .idle_mask = DVS_BUCK_RUN_MASK,
+ .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP,
+ .suspend_mask = DVS_BUCK_RUN_MASK,
},
.init = {
.reg = BD718XX_REG_BUCK1_CTRL,
@@ -816,7 +726,14 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.enable_reg = BD718XX_REG_BUCK2_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
- .of_parse_cb = buck2_set_hw_dvs_levels,
+ .of_parse_cb = buck_set_hw_dvs_levels,
+ },
+ .dvs = {
+ .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE,
+ .run_reg = BD718XX_REG_BUCK2_VOLT_RUN,
+ .run_mask = DVS_BUCK_RUN_MASK,
+ .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE,
+ .idle_mask = DVS_BUCK_RUN_MASK,
},
.init = {
.reg = BD718XX_REG_BUCK2_CTRL,
@@ -840,7 +757,12 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.enable_reg = BD71837_REG_BUCK3_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
- .of_parse_cb = buck3_set_hw_dvs_levels,
+ .of_parse_cb = buck_set_hw_dvs_levels,
+ },
+ .dvs = {
+ .level_map = ROHM_DVS_LEVEL_RUN,
+ .run_reg = BD71837_REG_BUCK3_VOLT_RUN,
+ .run_mask = DVS_BUCK_RUN_MASK,
},
.init = {
.reg = BD71837_REG_BUCK3_CTRL,
@@ -864,7 +786,12 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.enable_reg = BD71837_REG_BUCK4_CTRL,
.enable_mask = BD718XX_BUCK_EN,
.owner = THIS_MODULE,
- .of_parse_cb = buck4_set_hw_dvs_levels,
+ .of_parse_cb = buck_set_hw_dvs_levels,
+ },
+ .dvs = {
+ .level_map = ROHM_DVS_LEVEL_RUN,
+ .run_reg = BD71837_REG_BUCK4_VOLT_RUN,
+ .run_mask = DVS_BUCK_RUN_MASK,
},
.init = {
.reg = BD71837_REG_BUCK4_CTRL,
@@ -1150,6 +1077,7 @@ static int bd718xx_probe(struct platform_device *pdev)
bool use_snvs;
const struct bd718xx_regulator_data *reg_data;
unsigned int num_reg_data;
+ enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data;
mfd = dev_get_drvdata(pdev->dev.parent);
if (!mfd) {
@@ -1158,7 +1086,7 @@ static int bd718xx_probe(struct platform_device *pdev)
goto err;
}
- switch (mfd->chip.chip_type) {
+ switch (chip) {
case ROHM_CHIP_TYPE_BD71837:
reg_data = bd71837_regulators;
num_reg_data = ARRAY_SIZE(bd71837_regulators);
@@ -1275,11 +1203,19 @@ err:
return err;
}
+static const struct platform_device_id bd718x7_pmic_id[] = {
+ { "bd71837-pmic", ROHM_CHIP_TYPE_BD71837 },
+ { "bd71847-pmic", ROHM_CHIP_TYPE_BD71847 },
+ { },
+};
+MODULE_DEVICE_TABLE(platform, bd718x7_pmic_id);
+
static struct platform_driver bd718xx_regulator = {
.driver = {
.name = "bd718xx-pmic",
},
.probe = bd718xx_probe,
+ .id_table = bd718x7_pmic_id,
};
module_platform_driver(bd718xx_regulator);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.