static int tps62360_dcdc_set_voltage_sel(struct regulator_dev *dev,
unsigned selector)
{
struct tps62360_chip *tps = rdev_get_drvdata(dev);
int ret;
bool found = false;
int new_vset_id = tps->curr_vset_id;
/*
* If gpios are available to select the VSET register then least
* recently used register for new configuration.
*/
if (tps->valid_gpios)
found = find_voltage_set_register(tps, selector, &new_vset_id);
if (!found) {
ret = regmap_update_bits(tps->regmap, REG_VSET0 + new_vset_id,
tps->voltage_reg_mask, selector);
if (ret < 0) {
dev_err(tps->dev,
"%s(): register %d update failed with err %d\n",
__func__, REG_VSET0 + new_vset_id, ret);
return ret;
}
tps->curr_vset_id = new_vset_id;
tps->curr_vset_vsel[new_vset_id] = selector;
}
/* Select proper VSET register vio gpios */
if (tps->valid_gpios) {
gpio_set_value_cansleep(tps->vsel0_gpio, new_vset_id & 0x1);
gpio_set_value_cansleep(tps->vsel1_gpio,
(new_vset_id >> 1) & 0x1);
}
static int tps62360_dcdc_set_voltage(struct regulator_dev *dev,
int min_uV, int max_uV, unsigned *selector)
{
struct tps62360_chip *tps = rdev_get_drvdata(dev);
int vsel;
int ret;
bool found = false;
int new_vset_id = tps->curr_vset_id;
if (max_uV < min_uV)
return -EINVAL;
if (min_uV >
((tps->voltage_base + (tps->desc.n_voltages - 1) * 10) * 1000))
return -EINVAL;
if (max_uV < tps->voltage_base * 1000)
return -EINVAL;
vsel = DIV_ROUND_UP(min_uV - (tps->voltage_base * 1000), 10000);
if (selector)
*selector = (vsel & tps->voltage_reg_mask);
/*
* If gpios are available to select the VSET register then least
* recently used register for new configuration.
*/
if (tps->valid_gpios)
found = find_voltage_set_register(tps, vsel, &new_vset_id);
if (!found) {
ret = regmap_update_bits(tps->regmap, REG_VSET0 + new_vset_id,
tps->voltage_reg_mask, vsel);
if (ret < 0) {
dev_err(tps->dev, "%s: Error in updating register %d\n",
__func__, REG_VSET0 + new_vset_id);
return ret;
}
tps->curr_vset_id = new_vset_id;
tps->curr_vset_vsel[new_vset_id] = vsel;
}
/* Select proper VSET register vio gpios */
if (tps->valid_gpios) {
gpio_set_value_cansleep(tps->vsel0_gpio,
new_vset_id & 0x1);
gpio_set_value_cansleep(tps->vsel1_gpio,
(new_vset_id >> 1) & 0x1);
}
static int max8973_dcdc_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
{
struct max8973_chip *max = rdev_get_drvdata(rdev);
int vsel;
int ret;
bool found = false;
int vout_reg = max->curr_vout_reg;
int gpio_val = max->curr_gpio_val;
if ((max_uV < min_uV) || (max_uV < MAX8973_MIN_VOLATGE) ||
(min_uV > MAX8973_MAX_VOLATGE))
return -EINVAL;
vsel = DIV_ROUND_UP(min_uV - MAX8973_MIN_VOLATGE, MAX8973_VOLATGE_STEP);
if (selector)
*selector = (vsel & MAX8973_VOUT_MASK);
/*
* If gpios are available to select the VOUT register then least
* recently used register for new configuration.
*/
if (max->valid_dvs_gpio)
found = find_voltage_set_register(max, vsel,
&vout_reg, &gpio_val);
if (!found) {
ret = regmap_update_bits(max->regmap, vout_reg,
MAX8973_VOUT_MASK, vsel);
if (ret < 0) {
dev_err(max->dev,
"%s(): register %d update failed with err %d\n",
__func__, vout_reg, ret);
return ret;
}
max->curr_vout_reg = vout_reg;
max->curr_vout_val[gpio_val] = vsel;
}
/* Select proper VOUT register vio gpios */
if (max->valid_dvs_gpio) {
gpio_set_value_cansleep(max->dvs_gpio, gpio_val & 0x1);
max->curr_gpio_val = gpio_val;
}
return 0;
}
static int tps6238x0_set_voltage(struct regulator_dev *dev,
int min_uV, int max_uV, unsigned *selector)
{
struct tps6238x0_chip *tps = rdev_get_drvdata(dev);
int vsel;
int ret;
bool found = false;
int new_vset_id = tps->curr_vset_id;
if (min_uV >
((TPS6238X0_BASE_VOLTAGE + (TPS6238X0_N_VOLTAGES - 1) * 10000)))
return -EINVAL;
if ((max_uV < min_uV) || (max_uV < TPS6238X0_BASE_VOLTAGE))
return -EINVAL;
vsel = DIV_ROUND_UP(min_uV - TPS6238X0_BASE_VOLTAGE, 10000);
if (selector)
*selector = (vsel & TPS6238X0_VOUT_MASK);
/*
* If gpios are available to select the VSET register then least
* recently used register for new configuration.
*/
if (tps->valid_gpios)
found = find_voltage_set_register(tps, vsel, &new_vset_id);
if (!found) {
ret = regmap_update_bits(tps->regmap, REG_VSET0 + new_vset_id,
TPS6238X0_VOUT_MASK, vsel);
if (ret < 0) {
dev_err(tps->dev, "%s: Error in updating register %d\n",
__func__, REG_VSET0 + new_vset_id);
return ret;
}
tps->curr_vset_id = new_vset_id;
tps->curr_vset_vsel[new_vset_id] = vsel;
}
/* Select proper VSET register vio gpios */
if (tps->valid_gpios)
gpio_set_value_cansleep(tps->vsel_gpio, new_vset_id & 0x1);
return 0;
}
static int max8973_dcdc_set_voltage_sel(struct regulator_dev *rdev,
unsigned vsel)
{
struct max8973_chip *max = rdev_get_drvdata(rdev);
int ret;
bool found = false;
int vout_reg = max->curr_vout_reg;
int gpio_val = max->curr_gpio_val;
/*
* If gpios are available to select the VOUT register then least
* recently used register for new configuration.
*/
if (max->valid_dvs_gpio)
found = find_voltage_set_register(max, vsel,
&vout_reg, &gpio_val);
if (!found) {
ret = regmap_update_bits(max->regmap, vout_reg,
MAX8973_VOUT_MASK, vsel);
if (ret < 0) {
dev_err(max->dev, "register %d update failed, err %d\n",
vout_reg, ret);
return ret;
}
max->curr_vout_reg = vout_reg;
max->curr_vout_val[gpio_val] = vsel;
}
/* Select proper VOUT register vio gpios */
if (max->valid_dvs_gpio) {
gpio_set_value_cansleep(max->dvs_gpio, gpio_val & 0x1);
max->curr_gpio_val = gpio_val;
}
return 0;
}
