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regulator: rtq2208: Fix LDO to be compatible with both fixed and adjustable vout

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In this patch, LDO's adjustable and fixed Vout settings are compatible.
The LDO Vout ability depends on "richtek,fixed-microvolt".
If adjustable, the Vout can be set to either 1800mV or 3300mV.

Signed-off-by: Alina Yu <alina_yu@richtek.com>
Link: https://msgid.link/r/5ad4c7728c7fa7f6286db36b99d31c9d0f5d16c7.1716870419.git.alina_yu@richtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alina Yu 2024-05-28 14:01:14 +08:00 committed by Mark Brown
parent 72b6a2d650
commit 74259990b5
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 31 additions and 6 deletions
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37
drivers/regulator/rtq2208-regulator.c
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@ -219,7 +219,7 @@ static const struct regulator_ops rtq2208_regulator_buck_ops = {
.set_suspend_mode = rtq2208_set_suspend_mode,
};
static const struct regulator_ops rtq2208_regulator_ldo_ops = {
static const struct regulator_ops rtq2208_regulator_ldo_fix_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
@ -228,6 +228,23 @@ static const struct regulator_ops rtq2208_regulator_ldo_ops = {
.set_suspend_disable = rtq2208_set_suspend_disable,
};
static const struct regulator_ops rtq2208_regulator_ldo_adj_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_table,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_active_discharge = regulator_set_active_discharge_regmap,
.set_suspend_enable = rtq2208_set_suspend_enable,
.set_suspend_disable = rtq2208_set_suspend_disable,
};
static const unsigned int rtq2208_ldo_volt_table[] = {
1800000,
3300000,
};
static struct of_regulator_match rtq2208_ldo_match[] = {
{.name = "ldo2", },
{.name = "ldo1", },
@ -331,7 +348,7 @@ static int rtq2208_of_get_ldo_dvs_ability(struct device *dev)
{
struct device_node *np;
struct of_regulator_match *match;
struct rtq2208_regulator_desc *rdesc;
struct regulator_desc *desc;
struct regulator_init_data *init_data;
int ret, i;
@ -352,13 +369,21 @@ static int rtq2208_of_get_ldo_dvs_ability(struct device *dev)
for (i = 0; i < ARRAY_SIZE(rtq2208_ldo_match); i++) {
match = rtq2208_ldo_match + i;
init_data = match->init_data;
rdesc = (struct rtq2208_regulator_desc *)match->driver_data;
desc = (struct regulator_desc *)match->desc;
if (!init_data || !rdesc)
if (!init_data || !desc)
continue;
if (init_data->constraints.min_uV == init_data->constraints.max_uV)
rdesc->desc.fixed_uV = init_data->constraints.min_uV;
if (init_data->constraints.min_uV == init_data->constraints.max_uV) {
desc->fixed_uV = init_data->constraints.min_uV;
desc->n_voltages = 1;
desc->fixed_uV = init_data->constraints.min_uV;
desc->ops = &rtq2208_regulator_ldo_fix_ops;
} else {
desc->n_voltages = ARRAY_SIZE(rtq2208_ldo_volt_table);
desc->volt_table = rtq2208_ldo_volt_table;
desc->ops = &rtq2208_regulator_ldo_adj_ops;
}
}
return 0;