forked from OP-TEE/optee_os
/
stpmic1.c
1152 lines (1007 loc) · 22.1 KB
/
stpmic1.c
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// SPDX-License-Identifier: BSD-3-Clause
/*
* Copyright (c) 2016-2021, STMicroelectronics - All Rights Reserved
*/
#include <assert.h>
#include <drivers/stpmic1.h>
#include <drivers/stpmic1_regulator.h>
#include <kernel/panic.h>
#include <platform_config.h>
#include <stdint.h>
#include <string.h>
#include <trace.h>
#include <util.h>
#define VOLTAGE_INDEX_INVALID ((unsigned int)~0)
struct regul_struct {
const char *dt_node_name;
const uint16_t *voltage_table;
uint8_t voltage_table_size;
uint8_t control_reg;
uint8_t low_power_reg;
uint8_t enable_pos;
uint8_t pull_down_reg;
uint8_t pull_down_pos;
uint8_t mask_reset_reg;
uint8_t mask_reset_pos;
uint8_t icc_reg;
uint8_t icc_mask;
};
static struct i2c_handle_s *pmic_i2c_handle;
static uint16_t pmic_i2c_addr;
/*
* Special mode corresponds to LDO3 in sink source mode or in bypass mode.
* LDO3 doesn't switch back from special to normal mode.
*/
static bool ldo3_special_mode;
/* Voltage tables in mV */
static const uint16_t buck1_voltage_table[] = {
725,
725,
725,
725,
725,
725,
750,
775,
800,
825,
850,
875,
900,
925,
950,
975,
1000,
1025,
1050,
1075,
1100,
1125,
1150,
1175,
1200,
1225,
1250,
1275,
1300,
1325,
1350,
1375,
1400,
1425,
1450,
1475,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
1500,
};
static const uint16_t buck2_voltage_table[] = {
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1050,
1050,
1100,
1100,
1150,
1150,
1200,
1200,
1250,
1250,
1300,
1300,
1350,
1350,
1400,
1400,
1450,
1450,
1500,
};
static const uint16_t buck3_voltage_table[] = {
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1000,
1100,
1100,
1100,
1100,
1200,
1200,
1200,
1200,
1300,
1300,
1300,
1300,
1400,
1400,
1400,
1400,
1500,
1600,
1700,
1800,
1900,
2000,
2100,
2200,
2300,
2400,
2500,
2600,
2700,
2800,
2900,
3000,
3100,
3200,
3300,
3400,
};
static const uint16_t buck4_voltage_table[] = {
600,
625,
650,
675,
700,
725,
750,
775,
800,
825,
850,
875,
900,
925,
950,
975,
1000,
1025,
1050,
1075,
1100,
1125,
1150,
1175,
1200,
1225,
1250,
1275,
1300,
1300,
1350,
1350,
1400,
1400,
1450,
1450,
1500,
1600,
1700,
1800,
1900,
2000,
2100,
2200,
2300,
2400,
2500,
2600,
2700,
2800,
2900,
3000,
3100,
3200,
3300,
3400,
3500,
3600,
3700,
3800,
3900,
};
static const uint16_t ldo1_voltage_table[] = {
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1800,
1900,
2000,
2100,
2200,
2300,
2400,
2500,
2600,
2700,
2800,
2900,
3000,
3100,
3200,
3300,
};
static const uint16_t ldo2_voltage_table[] = {
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1800,
1900,
2000,
2100,
2200,
2300,
2400,
2500,
2600,
2700,
2800,
2900,
3000,
3100,
3200,
3300,
};
static const uint16_t ldo3_voltage_table[] = {
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1800,
1900,
2000,
2100,
2200,
2300,
2400,
2500,
2600,
2700,
2800,
2900,
3000,
3100,
3200,
3300,
3300,
3300,
3300,
3300,
3300,
3300,
#ifndef CFG_REGULATOR_DRIVERS
/* Old specific config to be replaced with ldo3_special_mode support */
500, /* VOUT2/2 (Sink/source mode) */
0xFFFF, /* VREFDDR */
#endif
};
/* Special mode table is used for sink source OR bypass mode */
static const uint16_t ldo3_special_mode_table[] = {
0,
};
static const uint16_t ldo5_voltage_table[] = {
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1700,
1800,
1900,
2000,
2100,
2200,
2300,
2400,
2500,
2600,
2700,
2800,
2900,
3000,
3100,
3200,
3300,
3400,
3500,
3600,
3700,
3800,
3900,
};
static const uint16_t ldo6_voltage_table[] = {
900,
1000,
1100,
1200,
1300,
1400,
1500,
1600,
1700,
1800,
1900,
2000,
2100,
2200,
2300,
2400,
2500,
2600,
2700,
2800,
2900,
3000,
3100,
3200,
3300,
};
static const uint16_t ldo4_voltage_table[] = {
3300,
};
static const uint16_t vref_ddr_voltage_table[] = {
3300,
};
static const uint16_t fixed_5v_voltage_table[] = {
5000,
};
/* Table of Regulators in PMIC SoC */
static const struct regul_struct regulators_table[] = {
{
.dt_node_name = "buck1",
.voltage_table = buck1_voltage_table,
.voltage_table_size = ARRAY_SIZE(buck1_voltage_table),
.control_reg = BUCK1_CONTROL_REG,
.low_power_reg = BUCK1_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.pull_down_reg = BUCK_PULL_DOWN_REG,
.pull_down_pos = BUCK1_PULL_DOWN_SHIFT,
.mask_reset_reg = MASK_RESET_BUCK_REG,
.mask_reset_pos = BUCK1_MASK_RESET_SHIFT,
.icc_reg = BUCK_ICC_TURNOFF_REG,
.icc_mask = BUCK1_ICC_SHIFT,
},
{
.dt_node_name = "buck2",
.voltage_table = buck2_voltage_table,
.voltage_table_size = ARRAY_SIZE(buck2_voltage_table),
.control_reg = BUCK2_CONTROL_REG,
.low_power_reg = BUCK2_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.pull_down_reg = BUCK_PULL_DOWN_REG,
.pull_down_pos = BUCK2_PULL_DOWN_SHIFT,
.mask_reset_reg = MASK_RESET_BUCK_REG,
.mask_reset_pos = BUCK2_MASK_RESET_SHIFT,
.icc_reg = BUCK_ICC_TURNOFF_REG,
.icc_mask = BUCK2_ICC_SHIFT,
},
{
.dt_node_name = "buck3",
.voltage_table = buck3_voltage_table,
.voltage_table_size = ARRAY_SIZE(buck3_voltage_table),
.control_reg = BUCK3_CONTROL_REG,
.low_power_reg = BUCK3_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.pull_down_reg = BUCK_PULL_DOWN_REG,
.pull_down_pos = BUCK3_PULL_DOWN_SHIFT,
.mask_reset_reg = MASK_RESET_BUCK_REG,
.mask_reset_pos = BUCK3_MASK_RESET_SHIFT,
.icc_reg = BUCK_ICC_TURNOFF_REG,
.icc_mask = BUCK3_ICC_SHIFT,
},
{
.dt_node_name = "buck4",
.voltage_table = buck4_voltage_table,
.voltage_table_size = ARRAY_SIZE(buck4_voltage_table),
.control_reg = BUCK4_CONTROL_REG,
.low_power_reg = BUCK4_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.pull_down_reg = BUCK_PULL_DOWN_REG,
.pull_down_pos = BUCK4_PULL_DOWN_SHIFT,
.mask_reset_reg = MASK_RESET_BUCK_REG,
.mask_reset_pos = BUCK4_MASK_RESET_SHIFT,
.icc_reg = BUCK_ICC_TURNOFF_REG,
.icc_mask = BUCK4_ICC_SHIFT,
},
{
.dt_node_name = "ldo1",
.voltage_table = ldo1_voltage_table,
.voltage_table_size = ARRAY_SIZE(ldo1_voltage_table),
.control_reg = LDO1_CONTROL_REG,
.low_power_reg = LDO1_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.mask_reset_reg = MASK_RESET_LDO_REG,
.mask_reset_pos = LDO1_MASK_RESET_SHIFT,
.icc_reg = LDO_ICC_TURNOFF_REG,
.icc_mask = LDO1_ICC_SHIFT,
},
{
.dt_node_name = "ldo2",
.voltage_table = ldo2_voltage_table,
.voltage_table_size = ARRAY_SIZE(ldo2_voltage_table),
.control_reg = LDO2_CONTROL_REG,
.low_power_reg = LDO2_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.mask_reset_reg = MASK_RESET_LDO_REG,
.mask_reset_pos = LDO2_MASK_RESET_SHIFT,
.icc_reg = LDO_ICC_TURNOFF_REG,
.icc_mask = LDO2_ICC_SHIFT,
},
{
.dt_node_name = "ldo3",
.voltage_table = ldo3_voltage_table,
.voltage_table_size = ARRAY_SIZE(ldo3_voltage_table),
.control_reg = LDO3_CONTROL_REG,
.low_power_reg = LDO3_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.mask_reset_reg = MASK_RESET_LDO_REG,
.mask_reset_pos = LDO3_MASK_RESET_SHIFT,
.icc_reg = LDO_ICC_TURNOFF_REG,
.icc_mask = LDO3_ICC_SHIFT,
},
{
.dt_node_name = "ldo4",
.voltage_table = ldo4_voltage_table,
.voltage_table_size = ARRAY_SIZE(ldo4_voltage_table),
.control_reg = LDO4_CONTROL_REG,
.low_power_reg = LDO4_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.mask_reset_reg = MASK_RESET_LDO_REG,
.mask_reset_pos = LDO4_MASK_RESET_SHIFT,
.icc_reg = LDO_ICC_TURNOFF_REG,
.icc_mask = LDO4_ICC_SHIFT,
},
{
.dt_node_name = "ldo5",
.voltage_table = ldo5_voltage_table,
.voltage_table_size = ARRAY_SIZE(ldo5_voltage_table),
.control_reg = LDO5_CONTROL_REG,
.low_power_reg = LDO5_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.mask_reset_reg = MASK_RESET_LDO_REG,
.mask_reset_pos = LDO5_MASK_RESET_SHIFT,
.icc_reg = LDO_ICC_TURNOFF_REG,
.icc_mask = LDO5_ICC_SHIFT,
},
{
.dt_node_name = "ldo6",
.voltage_table = ldo6_voltage_table,
.voltage_table_size = ARRAY_SIZE(ldo6_voltage_table),
.control_reg = LDO6_CONTROL_REG,
.low_power_reg = LDO6_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.mask_reset_reg = MASK_RESET_LDO_REG,
.mask_reset_pos = LDO6_MASK_RESET_SHIFT,
.icc_reg = LDO_ICC_TURNOFF_REG,
.icc_mask = LDO6_ICC_SHIFT,
},
{
.dt_node_name = "vref_ddr",
.voltage_table = vref_ddr_voltage_table,
.voltage_table_size = ARRAY_SIZE(vref_ddr_voltage_table),
.control_reg = VREF_DDR_CONTROL_REG,
.low_power_reg = VREF_DDR_PWRCTRL_REG,
.enable_pos = LDO_BUCK_ENABLE_POS,
.mask_reset_reg = MASK_RESET_LDO_REG,
.mask_reset_pos = VREF_DDR_MASK_RESET_SHIFT,
},
{
.dt_node_name = "boost",
.voltage_table = fixed_5v_voltage_table,
.voltage_table_size = ARRAY_SIZE(fixed_5v_voltage_table),
.control_reg = USB_CONTROL_REG,
.enable_pos = BOOST_ENABLED_POS,
.icc_reg = BUCK_ICC_TURNOFF_REG,
.icc_mask = BOOST_ICC_SHIFT,
},
{
.dt_node_name = "pwr_sw1",
.voltage_table = fixed_5v_voltage_table,
.voltage_table_size = ARRAY_SIZE(fixed_5v_voltage_table),
.control_reg = USB_CONTROL_REG,
.enable_pos = USBSW_OTG_SWITCH_ENABLED_POS,
.icc_reg = BUCK_ICC_TURNOFF_REG,
.icc_mask = PWR_SW1_ICC_SHIFT,
},
{
.dt_node_name = "pwr_sw2",
.voltage_table = fixed_5v_voltage_table,
.voltage_table_size = ARRAY_SIZE(fixed_5v_voltage_table),
.control_reg = USB_CONTROL_REG,
.enable_pos = SWIN_SWOUT_ENABLED_POS,
.icc_reg = BUCK_ICC_TURNOFF_REG,
.icc_mask = PWR_SW2_ICC_SHIFT,
},
};
static const struct regul_struct *get_regulator_data(const char *name)
{
unsigned int i = 0;
for (i = 0; i < ARRAY_SIZE(regulators_table); i++)
if (strcmp(name, regulators_table[i].dt_node_name) == 0)
return ®ulators_table[i];
DMSG("Regulator %s not found", name);
return NULL;
}
bool stpmic1_regulator_is_valid(const char *name)
{
return get_regulator_data(name);
}
static size_t voltage_to_index(const char *name, uint16_t millivolts)
{
const struct regul_struct *regul = get_regulator_data(name);
unsigned int i = 0;
assert(regul->voltage_table);
for (i = 0; i < regul->voltage_table_size; i++)
if (regul->voltage_table[i] == millivolts)
return i;
return VOLTAGE_INDEX_INVALID;
}
int stpmic1_powerctrl_on(void)
{
return stpmic1_register_update(MAIN_CONTROL_REG, PWRCTRL_PIN_VALID,
PWRCTRL_PIN_VALID);
}
int stpmic1_switch_off(void)
{
return stpmic1_register_update(MAIN_CONTROL_REG, 1,
SOFTWARE_SWITCH_OFF_ENABLED);
}
int stpmic1_regulator_enable(const char *name)
{
const struct regul_struct *regul = get_regulator_data(name);
return stpmic1_register_update(regul->control_reg,
BIT(regul->enable_pos),
BIT(regul->enable_pos));
}
int stpmic1_regulator_disable(const char *name)
{
const struct regul_struct *regul = get_regulator_data(name);
return stpmic1_register_update(regul->control_reg, 0,
BIT(regul->enable_pos));
}
bool stpmic1_is_regulator_enabled(const char *name)
{
const struct regul_struct *regul = get_regulator_data(name);
uint8_t val = 0;
if (stpmic1_register_read(regul->control_reg, &val))
panic();
return val & BIT(regul->enable_pos);
}
/* Voltage can be set for buck<N> or ldo<N> (except ldo4) regulators */
static uint8_t find_plat_mask(const char *name)
{
if (!strncmp(name, "buck", 4))
return BUCK_VOLTAGE_MASK;
if (!strncmp(name, "ldo", 3) && strcmp(name, "ldo4"))
return LDO_VOLTAGE_MASK;
return 0;
}
int stpmic1_regulator_voltage_set(const char *name, uint16_t millivolts)
{
size_t voltage_index = voltage_to_index(name, millivolts);
const struct regul_struct *regul = get_regulator_data(name);
uint8_t mask = 0;
if (voltage_index == VOLTAGE_INDEX_INVALID)
return -1;
if ((strncmp(name, "ldo3", 4) == 0) && ldo3_special_mode) {
/*
* when the LDO3 is in special mode, we do not change voltage,
* because by setting voltage, the LDO would leaves sink-source
* mode. There is obviously no reason to leave sink-source mode
* at runtime.
*/
return 0;
}
mask = find_plat_mask(name);
if (!mask)
return 0;
return stpmic1_register_update(regul->control_reg,
voltage_index << LDO_BUCK_VOLTAGE_SHIFT,
mask);
}
int stpmic1_regulator_pull_down_set(const char *name)
{
const struct regul_struct *regul = get_regulator_data(name);
if (regul->pull_down_reg)
return stpmic1_register_update(regul->pull_down_reg,
BIT(regul->pull_down_pos),
LDO_BUCK_PULL_DOWN_MASK <<
regul->pull_down_pos);
return 0;
}
int stpmic1_regulator_mask_reset_set(const char *name)
{
const struct regul_struct *regul = get_regulator_data(name);
if (regul->control_reg == USB_CONTROL_REG) {
DMSG("No reset for USB control");
return -1;
}
return stpmic1_register_update(regul->mask_reset_reg,
BIT(regul->mask_reset_pos),
LDO_BUCK_RESET_MASK <<
regul->mask_reset_pos);
}
int stpmic1_regulator_icc_set(const char *name)
{
const struct regul_struct *regul = get_regulator_data(name);
if (!regul->mask_reset_reg)
return -1;
return stpmic1_register_update(regul->icc_reg,
BIT(regul->icc_mask),
BIT(regul->icc_mask));
}
int stpmic1_regulator_sink_mode_set(const char *name)
{
if (strncmp(name, "ldo3", 4))
return -1;
ldo3_special_mode = true;
/* disable bypass mode, enable sink mode */
return stpmic1_register_update(LDO3_CONTROL_REG,
LDO3_DDR_SEL << LDO_BUCK_VOLTAGE_SHIFT,
LDO3_BYPASS | LDO_VOLTAGE_MASK);
}
int stpmic1_regulator_bypass_mode_set(const char *name)
{
if (strncmp(name, "ldo3", 4))
return -1;
ldo3_special_mode = true;
/* enable bypass mode, disable sink mode */
return stpmic1_register_update(LDO3_CONTROL_REG,
LDO3_BYPASS,
LDO3_BYPASS | LDO_VOLTAGE_MASK);
}
int stpmic1_active_discharge_mode_set(const char *name)
{
if (!strncmp(name, "pwr_sw1", 7))
return stpmic1_register_update(USB_CONTROL_REG,
BIT(VBUS_OTG_DISCHARGE_POS),
BIT(VBUS_OTG_DISCHARGE_POS));
if (!strncmp(name, "pwr_sw2", 7))
return stpmic1_register_update(USB_CONTROL_REG,
BIT(SW_OUT_DISCHARGE_POS),
BIT(SW_OUT_DISCHARGE_POS));
return -1;
}
bool stpmic1_regu_has_lp_cfg(const char *name)
{
return get_regulator_data(name)->low_power_reg;
}
int stpmic1_lp_copy_reg(const char *name)
{
const struct regul_struct *regul = get_regulator_data(name);
uint8_t val = 0;
int status = 0;
if (!regul->low_power_reg)
return -1;
status = stpmic1_register_read(regul->control_reg, &val);
if (status)
return status;
return stpmic1_register_write(regul->low_power_reg, val);
}
int stpmic1_lp_reg_on_off(const char *name, uint8_t enable)
{
const struct regul_struct *regul = get_regulator_data(name);
if (!regul->low_power_reg)
return -1;
return stpmic1_register_update(regul->low_power_reg, enable,
LDO_BUCK_ENABLE_MASK);
}
int stpmic1_lp_set_voltage(const char *name, uint16_t millivolts)
{
size_t voltage_index = voltage_to_index(name, millivolts);
const struct regul_struct *regul = get_regulator_data(name);
uint8_t mask = 0;
assert(voltage_index != VOLTAGE_INDEX_INVALID);
mask = find_plat_mask(name);
if (!mask)
return 0;
return stpmic1_register_update(regul->low_power_reg, voltage_index << 2,
mask);
}
#ifdef CFG_STM32MP15
int stpmic1_bo_enable_cfg(const char *name, struct stpmic1_bo_cfg *cfg)
{
const struct regul_struct *regul = get_regulator_data(name);
cfg->ctrl_reg = regul->control_reg;
cfg->enable_pos = regul->enable_pos;
return 0;
}
int stpmic1_bo_enable_unpg(struct stpmic1_bo_cfg *cfg)
{
return stpmic1_register_update(cfg->ctrl_reg,
BIT(cfg->enable_pos),
BIT(cfg->enable_pos));
}
/* Returns 1 if no configuration are expected applied at runtime, 0 otherwise */
int stpmic1_bo_voltage_cfg(const char *name, uint16_t min_millivolt,
struct stpmic1_bo_cfg *cfg)
{
size_t min_index = voltage_to_index(name, min_millivolt);
const struct regul_struct *regul = get_regulator_data(name);
uint8_t mask = 0;
if (min_index == VOLTAGE_INDEX_INVALID)
panic();
mask = find_plat_mask(name);
if (!mask)
return 1;
cfg->ctrl_reg = regul->control_reg;
cfg->min_value = min_index << LDO_BUCK_VOLTAGE_SHIFT;
cfg->mask = mask;
return 0;
}
int stpmic1_bo_voltage_unpg(struct stpmic1_bo_cfg *cfg)
{
uint8_t value = 0;
assert(cfg->ctrl_reg);
if (stpmic1_register_read(cfg->ctrl_reg, &value))
return -1;
if ((value & cfg->mask) >= cfg->min_value)
return 0;
return stpmic1_register_update(cfg->ctrl_reg, cfg->min_value,
cfg->mask);
}
int stpmic1_bo_pull_down_cfg(const char *name, struct stpmic1_bo_cfg *cfg)
{
const struct regul_struct *regul = get_regulator_data(name);
if (!regul->pull_down_reg) {
DMSG("No pull down for regu %s", name);
panic();
}
cfg->pd_reg = regul->pull_down_reg;
cfg->pd_value = BIT(regul->pull_down_pos);
cfg->pd_mask = LDO_BUCK_PULL_DOWN_MASK << regul->pull_down_pos;
return 0;
}
int stpmic1_bo_pull_down_unpg(struct stpmic1_bo_cfg *cfg)
{
assert(cfg->pd_reg);
return stpmic1_register_update(cfg->pd_reg, cfg->pd_value,
cfg->pd_mask);
}
int stpmic1_bo_mask_reset_cfg(const char *name, struct stpmic1_bo_cfg *cfg)
{
const struct regul_struct *regul = get_regulator_data(name);
if (!regul->mask_reset_reg) {
DMSG("No reset mask for regu %s", name);
panic();
}
cfg->mrst_reg = regul->mask_reset_reg;
cfg->mrst_value = BIT(regul->mask_reset_pos);
cfg->mrst_mask = LDO_BUCK_RESET_MASK << regul->mask_reset_pos;
return 0;
}
int stpmic1_bo_mask_reset_unpg(struct stpmic1_bo_cfg *cfg)
{
assert(cfg->mrst_reg);
return stpmic1_register_update(cfg->mrst_reg, cfg->mrst_value,
cfg->mrst_mask);
}
int stpmic1_lp_cfg(const char *name, struct stpmic1_lp_cfg *cfg)
{
const struct regul_struct *regul = get_regulator_data(name);
if (!regul->low_power_reg)
return -1;
cfg->ctrl_reg = regul->control_reg;
cfg->lp_reg = regul->low_power_reg;
return 0;
}
int stpmic1_lp_load_unpg(struct stpmic1_lp_cfg *cfg)
{
uint8_t val = 0;
int status = 0;
assert(cfg->lp_reg);
status = stpmic1_register_read(cfg->ctrl_reg, &val);
if (!status)
status = stpmic1_register_write(cfg->lp_reg, val);
return status;
}
int stpmic1_lp_on_off_unpg(struct stpmic1_lp_cfg *cfg, int enable)
{
assert(cfg->lp_reg && (enable == 0 || enable == 1));
return stpmic1_register_update(cfg->lp_reg, enable,
LDO_BUCK_ENABLE_MASK);
}
int stpmic1_lp_set_mode(const char *name, uint8_t hplp)
{
const struct regul_struct *regul = get_regulator_data(name);
assert(regul->low_power_reg && (hplp == 0 || hplp == 1));
return stpmic1_register_update(regul->low_power_reg,
hplp << LDO_BUCK_HPLP_POS,