diff options
Diffstat (limited to 'drivers/regulator/tps65910-regulator.c')
| -rw-r--r-- | drivers/regulator/tps65910-regulator.c | 61 |
1 files changed, 45 insertions, 16 deletions
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index a00132e31ec..fa7db884757 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -88,6 +88,11 @@ static const unsigned int VMMC_VSEL_table[] = { 1800000, 2800000, 3000000, 3300000, }; +/* supported BBCH voltages in microvolts */ +static const unsigned int VBB_VSEL_table[] = { + 3000000, 2520000, 3150000, 5000000, +}; + struct tps_info { const char *name; const char *vin_name; @@ -183,6 +188,12 @@ static struct tps_info tps65910_regs[] = { .voltage_table = VMMC_VSEL_table, .enable_time_us = 100, }, + { + .name = "vbb", + .vin_name = "vcc7", + .n_voltages = ARRAY_SIZE(VBB_VSEL_table), + .voltage_table = VBB_VSEL_table, + }, }; static struct tps_info tps65911_regs[] = { @@ -339,6 +350,8 @@ static int tps65910_get_ctrl_register(int id) return TPS65910_VAUX33; case TPS65910_REG_VMMC: return TPS65910_VMMC; + case TPS65910_REG_VBB: + return TPS65910_BBCH; default: return -EINVAL; } @@ -528,6 +541,10 @@ static int tps65910_get_voltage_sel(struct regulator_dev *dev) value &= LDO_SEL_MASK; value >>= LDO_SEL_SHIFT; break; + case TPS65910_REG_VBB: + value &= BBCH_BBSEL_MASK; + value >>= BBCH_BBSEL_SHIFT; + break; default: return -EINVAL; } @@ -638,6 +655,9 @@ static int tps65910_set_voltage_sel(struct regulator_dev *dev, case TPS65910_REG_VMMC: return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK, selector << LDO_SEL_SHIFT); + case TPS65910_REG_VBB: + return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK, + selector << BBCH_BBSEL_SHIFT); } return -EINVAL; @@ -669,6 +689,9 @@ static int tps65911_set_voltage_sel(struct regulator_dev *dev, case TPS65910_REG_VIO: return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK, selector << LDO_SEL_SHIFT); + case TPS65910_REG_VBB: + return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK, + selector << BBCH_BBSEL_SHIFT); } return -EINVAL; @@ -762,6 +785,18 @@ static struct regulator_ops tps65910_ops_vdd3 = { .map_voltage = regulator_map_voltage_ascend, }; +static struct regulator_ops tps65910_ops_vbb = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_mode = tps65910_set_mode, + .get_mode = tps65910_get_mode, + .get_voltage_sel = tps65910_get_voltage_sel, + .set_voltage_sel = tps65910_set_voltage_sel, + .list_voltage = regulator_list_voltage_table, + .map_voltage = regulator_map_voltage_iterate, +}; + static struct regulator_ops tps65910_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, @@ -944,6 +979,7 @@ static struct of_regulator_match tps65910_matches[] = { { .name = "vaux2", .driver_data = (void *) &tps65910_regs[10] }, { .name = "vaux33", .driver_data = (void *) &tps65910_regs[11] }, { .name = "vmmc", .driver_data = (void *) &tps65910_regs[12] }, + { .name = "vbb", .driver_data = (void *) &tps65910_regs[13] }, }; static struct of_regulator_match tps65911_matches[] = { @@ -975,11 +1011,8 @@ static struct tps65910_board *tps65910_parse_dt_reg_data( pmic_plat_data = devm_kzalloc(&pdev->dev, sizeof(*pmic_plat_data), GFP_KERNEL); - - if (!pmic_plat_data) { - dev_err(&pdev->dev, "Failure to alloc pdata for regulators.\n"); + if (!pmic_plat_data) return NULL; - } np = of_node_get(pdev->dev.parent->of_node); regulators = of_get_child_by_name(np, "regulators"); @@ -1062,10 +1095,8 @@ static int tps65910_probe(struct platform_device *pdev) } pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); - if (!pmic) { - dev_err(&pdev->dev, "Memory allocation failed for pmic\n"); + if (!pmic) return -ENOMEM; - } pmic->mfd = tps65910; platform_set_drvdata(pdev, pmic); @@ -1094,24 +1125,18 @@ static int tps65910_probe(struct platform_device *pdev) pmic->desc = devm_kzalloc(&pdev->dev, pmic->num_regulators * sizeof(struct regulator_desc), GFP_KERNEL); - if (!pmic->desc) { - dev_err(&pdev->dev, "Memory alloc fails for desc\n"); + if (!pmic->desc) return -ENOMEM; - } pmic->info = devm_kzalloc(&pdev->dev, pmic->num_regulators * sizeof(struct tps_info *), GFP_KERNEL); - if (!pmic->info) { - dev_err(&pdev->dev, "Memory alloc fails for info\n"); + if (!pmic->info) return -ENOMEM; - } pmic->rdev = devm_kzalloc(&pdev->dev, pmic->num_regulators * sizeof(struct regulator_dev *), GFP_KERNEL); - if (!pmic->rdev) { - dev_err(&pdev->dev, "Memory alloc fails for rdev\n"); + if (!pmic->rdev) return -ENOMEM; - } for (i = 0; i < pmic->num_regulators && i < TPS65910_NUM_REGS; i++, info++) { @@ -1145,6 +1170,10 @@ static int tps65910_probe(struct platform_device *pdev) pmic->desc[i].ops = &tps65910_ops_dcdc; pmic->desc[i].ramp_delay = 5000; } + } else if (i == TPS65910_REG_VBB && + tps65910_chip_id(tps65910) == TPS65910) { + pmic->desc[i].ops = &tps65910_ops_vbb; + pmic->desc[i].volt_table = info->voltage_table; } else { if (tps65910_chip_id(tps65910) == TPS65910) { pmic->desc[i].ops = &tps65910_ops; |