@@ -28,7 +28,7 @@
#include <linux/mfd/tps65217.h>
#define TPS65217_REGULATOR(_name, _id, _of_match, _ops, _n, _vr, _vm, _em, \
- _t, _lr, _nlr) \
+ _t, _lr, _nlr, _sr, _sm) \
{ \
.name = _name, \
.id = _id, \
@@ -45,6 +45,8 @@
.volt_table = _t, \
.linear_ranges = _lr, \
.n_linear_ranges = _nlr, \
+ .bypass_reg = _sr, \
+ .bypass_mask = _sm, \
} \
static const unsigned int LDO1_VSEL_table[] = {
@@ -118,6 +120,35 @@ static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
return ret;
}
+static int tps65217_pmic_set_suspend_enable(struct regulator_dev *dev)
+{
+ 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;
+
+ return tps65217_clear_bits(tps, dev->desc->bypass_reg,
+ dev->desc->bypass_mask,
+ TPS65217_PROTECT_L1);
+}
+
+static int tps65217_pmic_set_suspend_disable(struct regulator_dev *dev)
+{
+ 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 (!tps->strobes[rid])
+ return -EINVAL;
+
+ return tps65217_set_bits(tps, dev->desc->bypass_reg,
+ dev->desc->bypass_mask,
+ tps->strobes[rid], TPS65217_PROTECT_L1);
+}
+
/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
static struct regulator_ops tps65217_pmic_ops = {
.is_enabled = regulator_is_enabled_regmap,
@@ -127,6 +158,8 @@ static struct regulator_ops tps65217_pmic_ops = {
.set_voltage_sel = tps65217_pmic_set_voltage_sel,
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
+ .set_suspend_enable = tps65217_pmic_set_suspend_enable,
+ .set_suspend_disable = tps65217_pmic_set_suspend_disable,
};
/* Operations permitted on LDO1 */
@@ -138,41 +171,50 @@ static struct regulator_ops tps65217_pmic_ldo1_ops = {
.set_voltage_sel = tps65217_pmic_set_voltage_sel,
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_ascend,
+ .set_suspend_enable = tps65217_pmic_set_suspend_enable,
+ .set_suspend_disable = tps65217_pmic_set_suspend_disable,
};
static const struct regulator_desc regulators[] = {
TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, "dcdc1",
tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC1,
TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC1_EN,
- NULL, tps65217_uv1_ranges, 2),
+ NULL, tps65217_uv1_ranges, 2, TPS65217_REG_SEQ1,
+ TPS65217_SEQ1_DC1_SEQ_MASK),
TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, "dcdc2",
tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC2,
TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC2_EN,
NULL, tps65217_uv1_ranges,
- ARRAY_SIZE(tps65217_uv1_ranges)),
+ ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
+ TPS65217_SEQ1_DC2_SEQ_MASK),
TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, "dcdc3",
tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC3,
TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC3_EN,
- NULL, tps65217_uv1_ranges, 1),
+ NULL, tps65217_uv1_ranges, 1, TPS65217_REG_SEQ2,
+ TPS65217_SEQ2_DC3_SEQ_MASK),
TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, "ldo1",
tps65217_pmic_ldo1_ops, 16, TPS65217_REG_DEFLDO1,
TPS65217_DEFLDO1_LDO1_MASK, TPS65217_ENABLE_LDO1_EN,
- LDO1_VSEL_table, NULL, 0),
+ LDO1_VSEL_table, NULL, 0, TPS65217_REG_SEQ2,
+ TPS65217_SEQ2_LDO1_SEQ_MASK),
TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, "ldo2", tps65217_pmic_ops,
64, TPS65217_REG_DEFLDO2,
TPS65217_DEFLDO2_LDO2_MASK, TPS65217_ENABLE_LDO2_EN,
NULL, tps65217_uv1_ranges,
- ARRAY_SIZE(tps65217_uv1_ranges)),
+ ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ3,
+ TPS65217_SEQ3_LDO2_SEQ_MASK),
TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, "ldo3", tps65217_pmic_ops,
32, TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN,
NULL, tps65217_uv2_ranges,
- ARRAY_SIZE(tps65217_uv2_ranges)),
+ ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ3,
+ TPS65217_SEQ3_LDO3_SEQ_MASK),
TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, "ldo4", tps65217_pmic_ops,
32, TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN,
NULL, tps65217_uv2_ranges,
- ARRAY_SIZE(tps65217_uv2_ranges)),
+ ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ4,
+ TPS65217_SEQ4_LDO4_SEQ_MASK),
};
static int tps65217_regulator_probe(struct platform_device *pdev)
@@ -181,13 +223,18 @@ static int tps65217_regulator_probe(struct platform_device *pdev)
struct tps65217_board *pdata = dev_get_platdata(tps->dev);
struct regulator_dev *rdev;
struct regulator_config config = { };
- int i;
+ int i, ret;
+ unsigned int val;
if (tps65217_chip_id(tps) != TPS65217) {
dev_err(&pdev->dev, "Invalid tps chip version\n");
return -ENODEV;
}
+ /* Allocate memory for strobes */
+ tps->strobes = devm_kzalloc(&pdev->dev, sizeof(u8) *
+ TPS65217_NUM_REGULATOR, GFP_KERNEL);
+
platform_set_drvdata(pdev, tps);
for (i = 0; i < TPS65217_NUM_REGULATOR; i++) {
@@ -205,6 +252,10 @@ static int tps65217_regulator_probe(struct platform_device *pdev)
pdev->name);
return PTR_ERR(rdev);
}
+
+ /* Store default strobe info */
+ ret = tps65217_reg_read(tps, regulators[i].bypass_reg, &val);
+ tps->strobes[i] = val & regulators[i].bypass_mask;
}
return 0;
@@ -257,6 +257,7 @@ struct tps65217 {
unsigned long id;
struct regulator_desc desc[TPS65217_NUM_REGULATOR];
struct regmap *regmap;
+ u8 *strobes;
};
static inline struct tps65217 *dev_to_tps65217(struct device *dev)