summaryrefslogtreecommitdiff
path: root/drivers/regulator/tps65217-regulator.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/regulator/tps65217-regulator.c')
-rw-r--r--drivers/regulator/tps65217-regulator.c182
1 files changed, 37 insertions, 145 deletions
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c
index 2df4616621f5..90861d68a0b0 100644
--- a/drivers/regulator/tps65217-regulator.c
+++ b/drivers/regulator/tps65217-regulator.c
@@ -27,7 +27,7 @@
#include <linux/regulator/machine.h>
#include <linux/mfd/tps65217.h>
-#define TPS65217_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _em, _t) \
+#define TPS65217_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _em, _t, _lr, _nlr) \
{ \
.name = _name, \
.id = _id, \
@@ -40,17 +40,10 @@
.enable_reg = TPS65217_REG_ENABLE, \
.enable_mask = _em, \
.volt_table = _t, \
+ .linear_ranges = _lr, \
+ .n_linear_ranges = _nlr, \
} \
-#define TPS65217_INFO(_nm, _min, _max, _f1, _f2) \
- { \
- .name = _nm, \
- .min_uV = _min, \
- .max_uV = _max, \
- .vsel_to_uv = _f1, \
- .uv_to_vsel = _f2, \
- }
-
static const unsigned int LDO1_VSEL_table[] = {
1000000, 1100000, 1200000, 1250000,
1300000, 1350000, 1400000, 1500000,
@@ -58,88 +51,26 @@ static const unsigned int LDO1_VSEL_table[] = {
2800000, 3000000, 3100000, 3300000,
};
-static int tps65217_vsel_to_uv1(unsigned int vsel)
-{
- int uV = 0;
-
- if (vsel > 63)
- return -EINVAL;
-
- if (vsel <= 24)
- uV = vsel * 25000 + 900000;
- else if (vsel <= 52)
- uV = (vsel - 24) * 50000 + 1500000;
- else if (vsel < 56)
- uV = (vsel - 52) * 100000 + 2900000;
- else
- uV = 3300000;
-
- return uV;
-}
-
-static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel)
-{
- if (uV < 0 || uV > 3300000)
- return -EINVAL;
-
- if (uV <= 1500000)
- *vsel = DIV_ROUND_UP(uV - 900000, 25000);
- else if (uV <= 2900000)
- *vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000);
- else if (uV < 3300000)
- *vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000);
- else
- *vsel = 56;
-
- return 0;
-}
-
-static int tps65217_vsel_to_uv2(unsigned int vsel)
-{
- int uV = 0;
-
- if (vsel > 31)
- return -EINVAL;
-
- if (vsel <= 8)
- uV = vsel * 50000 + 1500000;
- else if (vsel <= 13)
- uV = (vsel - 8) * 100000 + 1900000;
- else
- uV = (vsel - 13) * 50000 + 2400000;
-
- return uV;
-}
-
-static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel)
-{
- if (uV < 0 || uV > 3300000)
- return -EINVAL;
-
- if (uV <= 1900000)
- *vsel = DIV_ROUND_UP(uV - 1500000, 50000);
- else if (uV <= 2400000)
- *vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000);
- else
- *vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000);
-
- return 0;
-}
+static const struct regulator_linear_range tps65217_uv1_ranges[] = {
+ { .min_uV = 900000, .max_uV = 1500000, .min_sel = 0, .max_sel = 24,
+ .uV_step = 25000 },
+ { .min_uV = 1550000, .max_uV = 1800000, .min_sel = 25, .max_sel = 30,
+ .uV_step = 50000 },
+ { .min_uV = 1850000, .max_uV = 2900000, .min_sel = 31, .max_sel = 52,
+ .uV_step = 50000 },
+ { .min_uV = 3000000, .max_uV = 3200000, .min_sel = 53, .max_sel = 55,
+ .uV_step = 100000 },
+ { .min_uV = 3300000, .max_uV = 3300000, .min_sel = 56, .max_sel = 62,
+ .uV_step = 0 },
+};
-static struct tps_info tps65217_pmic_regs[] = {
- TPS65217_INFO("DCDC1", 900000, 1800000, tps65217_vsel_to_uv1,
- tps65217_uv_to_vsel1),
- TPS65217_INFO("DCDC2", 900000, 3300000, tps65217_vsel_to_uv1,
- tps65217_uv_to_vsel1),
- TPS65217_INFO("DCDC3", 900000, 1500000, tps65217_vsel_to_uv1,
- tps65217_uv_to_vsel1),
- TPS65217_INFO("LDO1", 1000000, 3300000, NULL, NULL),
- TPS65217_INFO("LDO2", 900000, 3300000, tps65217_vsel_to_uv1,
- tps65217_uv_to_vsel1),
- TPS65217_INFO("LDO3", 1800000, 3300000, tps65217_vsel_to_uv2,
- tps65217_uv_to_vsel2),
- TPS65217_INFO("LDO4", 1800000, 3300000, tps65217_vsel_to_uv2,
- tps65217_uv_to_vsel2),
+static const struct regulator_linear_range tps65217_uv2_ranges[] = {
+ { .min_uV = 1500000, .max_uV = 1900000, .min_sel = 0, .max_sel = 8,
+ .uV_step = 50000 },
+ { .min_uV = 2000000, .max_uV = 2400000, .min_sel = 9, .max_sel = 13,
+ .uV_step = 100000 },
+ { .min_uV = 2450000, .max_uV = 3300000, .min_sel = 14, .max_sel = 31,
+ .uV_step = 50000 },
};
static int tps65217_pmic_enable(struct regulator_dev *dev)
@@ -192,49 +123,6 @@ static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
return ret;
}
-static int tps65217_pmic_map_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV)
-{
-
- struct tps65217 *tps = rdev_get_drvdata(dev);
- unsigned int sel, rid = rdev_get_id(dev);
- int ret;
-
- /* LDO1 uses regulator_map_voltage_iterate() */
- if (rid == TPS65217_LDO_1)
- return -EINVAL;
-
- if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
- return -EINVAL;
-
- if (min_uV < tps->info[rid]->min_uV)
- min_uV = tps->info[rid]->min_uV;
-
- if (max_uV < tps->info[rid]->min_uV || min_uV > tps->info[rid]->max_uV)
- return -EINVAL;
-
- ret = tps->info[rid]->uv_to_vsel(min_uV, &sel);
- if (ret)
- return ret;
-
- return sel;
-}
-
-static int tps65217_pmic_list_voltage(struct regulator_dev *dev,
- unsigned selector)
-{
- struct tps65217 *tps = rdev_get_drvdata(dev);
- unsigned int rid = rdev_get_id(dev);
-
- if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
- return -EINVAL;
-
- if (selector >= dev->desc->n_voltages)
- return -EINVAL;
-
- return tps->info[rid]->vsel_to_uv(selector);
-}
-
/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
static struct regulator_ops tps65217_pmic_ops = {
.is_enabled = regulator_is_enabled_regmap,
@@ -242,8 +130,8 @@ static struct regulator_ops tps65217_pmic_ops = {
.disable = tps65217_pmic_disable,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = tps65217_pmic_set_voltage_sel,
- .list_voltage = tps65217_pmic_list_voltage,
- .map_voltage = tps65217_pmic_map_voltage,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
};
/* Operations permitted on LDO1 */
@@ -259,27 +147,33 @@ static struct regulator_ops tps65217_pmic_ldo1_ops = {
static const struct regulator_desc regulators[] = {
TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64,
TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK,
- TPS65217_ENABLE_DC1_EN, NULL),
+ TPS65217_ENABLE_DC1_EN, NULL, tps65217_uv1_ranges,
+ 2), /* DCDC1 voltage range: 900000 ~ 1800000 */
TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64,
TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK,
- TPS65217_ENABLE_DC2_EN, NULL),
+ TPS65217_ENABLE_DC2_EN, NULL, tps65217_uv1_ranges,
+ ARRAY_SIZE(tps65217_uv1_ranges)),
TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64,
TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK,
- TPS65217_ENABLE_DC3_EN, NULL),
+ TPS65217_ENABLE_DC3_EN, NULL, tps65217_uv1_ranges,
+ 1), /* DCDC3 voltage range: 900000 ~ 1500000 */
TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, tps65217_pmic_ldo1_ops, 16,
TPS65217_REG_DEFLDO1, TPS65217_DEFLDO1_LDO1_MASK,
- TPS65217_ENABLE_LDO1_EN, LDO1_VSEL_table),
+ TPS65217_ENABLE_LDO1_EN, LDO1_VSEL_table, NULL, 0),
TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, tps65217_pmic_ops, 64,
TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK,
- TPS65217_ENABLE_LDO2_EN, NULL),
+ TPS65217_ENABLE_LDO2_EN, NULL, tps65217_uv1_ranges,
+ ARRAY_SIZE(tps65217_uv1_ranges)),
TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, tps65217_pmic_ops, 32,
TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN,
- NULL),
+ NULL, tps65217_uv2_ranges,
+ ARRAY_SIZE(tps65217_uv2_ranges)),
TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, tps65217_pmic_ops, 32,
TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN,
- NULL),
+ NULL, tps65217_uv2_ranges,
+ ARRAY_SIZE(tps65217_uv2_ranges)),
};
#ifdef CONFIG_OF
@@ -368,8 +262,6 @@ static int tps65217_regulator_probe(struct platform_device *pdev)
continue;
/* Register the regulators */
- tps->info[i] = &tps65217_pmic_regs[i];
-
config.dev = tps->dev;
config.init_data = reg_data;
config.driver_data = tps;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-27 21:05:33 +0300