drivers: regulator: npm1300: Initial driver for nPM1300 PMIC
Initial regulator driver for Nordic NPM1300 PMIC. Signed-off-by: Andy Sinclair <andy.sinclair@nordicsemi.no>
This commit is contained in:
Andy Sinclair
Carles Cufí
parent
81872eb701
commit
d1e201ccf6
7 changed files with 755 additions and 0 deletions
|
|
@ -7,6 +7,7 @@ zephyr_library_sources(regulator_common.c)
|
|||
zephyr_library_sources_ifdef(CONFIG_REGULATOR_FAKE regulator_fake.c)
|
||||
zephyr_library_sources_ifdef(CONFIG_REGULATOR_FIXED regulator_fixed.c)
|
||||
zephyr_library_sources_ifdef(CONFIG_REGULATOR_NPM1100 regulator_npm1100.c)
|
||||
zephyr_library_sources_ifdef(CONFIG_REGULATOR_NPM1300 regulator_npm1300.c)
|
||||
zephyr_library_sources_ifdef(CONFIG_REGULATOR_NPM6001 regulator_npm6001.c)
|
||||
zephyr_library_sources_ifdef(CONFIG_REGULATOR_PCA9420 regulator_pca9420.c)
|
||||
zephyr_library_sources_ifdef(CONFIG_REGULATOR_SHELL regulator_shell.c)
|
||||
|
|
|
|||
|
|
@ -23,6 +23,7 @@ source "subsys/logging/Kconfig.template.log_config"
|
|||
source "drivers/regulator/Kconfig.fake"
|
||||
source "drivers/regulator/Kconfig.fixed"
|
||||
source "drivers/regulator/Kconfig.npm1100"
|
||||
source "drivers/regulator/Kconfig.npm1300"
|
||||
source "drivers/regulator/Kconfig.npm6001"
|
||||
source "drivers/regulator/Kconfig.pca9420"
|
||||
source "drivers/regulator/Kconfig.rpi_pico"
|
||||
|
|
|
|||
28
drivers/regulator/Kconfig.npm1300
Normal file
28
drivers/regulator/Kconfig.npm1300
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
# Copyright (c) 2023 Nordic Semiconductor ASA
|
||||
# SPDX -License-Identifier: Apache-2.0
|
||||
|
||||
config REGULATOR_NPM1300
|
||||
bool "nPM1300 PMIC regulator driver"
|
||||
default y
|
||||
depends on DT_HAS_NORDIC_NPM1300_REGULATOR_ENABLED
|
||||
select I2C
|
||||
help
|
||||
Enable the Nordic nPM1300 PMIC regulator driver
|
||||
|
||||
if REGULATOR_NPM1300
|
||||
|
||||
config REGULATOR_NPM1300_COMMON_INIT_PRIORITY
|
||||
int "nPM1300 regulator driver init priority (common part)"
|
||||
default 75
|
||||
help
|
||||
Init priority for the Nordic nPM1300 regulator driver (common part).
|
||||
It must be greater than I2C init priority.
|
||||
|
||||
config REGULATOR_NPM1300_INIT_PRIORITY
|
||||
int "nPM1300 regulator driver init priority"
|
||||
default 76
|
||||
help
|
||||
Init priority for the Nordic nPM1300 regulator driver. It must be
|
||||
greater than REGULATOR_NPM1300_COMMON_INIT_PRIORITY.
|
||||
|
||||
endif
|
||||
588
drivers/regulator/regulator_npm1300.c
Normal file
588
drivers/regulator/regulator_npm1300.c
Normal file
|
|
@ -0,0 +1,588 @@
|
|||
/*
|
||||
* Copyright (c) 2023 Nordic Semiconductor ASA
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
#define DT_DRV_COMPAT nordic_npm1300_regulator
|
||||
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <zephyr/drivers/gpio.h>
|
||||
#include <zephyr/drivers/i2c.h>
|
||||
#include <zephyr/drivers/regulator.h>
|
||||
#include <zephyr/dt-bindings/regulator/npm1300.h>
|
||||
#include <zephyr/sys/__assert.h>
|
||||
#include <zephyr/sys/linear_range.h>
|
||||
#include <zephyr/sys/util.h>
|
||||
|
||||
/* nPM1300 voltage sources */
|
||||
enum npm1300_sources {
|
||||
NPM1300_SOURCE_BUCK1,
|
||||
NPM1300_SOURCE_BUCK2,
|
||||
NPM1300_SOURCE_LDO1,
|
||||
NPM1300_SOURCE_LDO2,
|
||||
};
|
||||
|
||||
/* nPM1300 gpio control channels */
|
||||
enum npm1300_gpio_type {
|
||||
NPM1300_GPIO_TYPE_ENABLE,
|
||||
NPM1300_GPIO_TYPE_RETENTION,
|
||||
NPM1300_GPIO_TYPE_PWM
|
||||
};
|
||||
|
||||
/* nPM1300 regulator base addresses */
|
||||
#define BUCK_BASE 0x04U
|
||||
#define LDSW_BASE 0x08U
|
||||
|
||||
/* nPM1300 regulator register offsets */
|
||||
#define BUCK_OFFSET_EN_SET 0x00U
|
||||
#define BUCK_OFFSET_EN_CLR 0x01U
|
||||
#define BUCK_OFFSET_PWM_SET 0x04U
|
||||
#define BUCK_OFFSET_PWM_CLR 0x05U
|
||||
#define BUCK_OFFSET_VOUT_NORM 0x08U
|
||||
#define BUCK_OFFSET_VOUT_RET 0x09U
|
||||
#define BUCK_OFFSET_EN_CTRL 0x0CU
|
||||
#define BUCK_OFFSET_VRET_CTRL 0x0DU
|
||||
#define BUCK_OFFSET_PWM_CTRL 0x0EU
|
||||
#define BUCK_OFFSET_SW_CTRL 0x0FU
|
||||
#define BUCK_OFFSET_VOUT_STAT 0x10U
|
||||
#define BUCK_OFFSET_CTRL0 0x15U
|
||||
|
||||
/* nPM1300 ldsw register offsets */
|
||||
#define LDSW_OFFSET_EN_SET 0x00U
|
||||
#define LDSW_OFFSET_EN_CLR 0x01U
|
||||
#define LDSW_OFFSET_STATUS 0x04U
|
||||
#define LDSW_OFFSET_GPISEL 0x05U
|
||||
#define LDSW_OFFSET_CONFIG 0x07U
|
||||
#define LDSW_OFFSET_LDOSEL 0x08U
|
||||
#define LDSW_OFFSET_VOUTSEL 0x0CU
|
||||
|
||||
struct regulator_npm1300_pconfig {
|
||||
struct i2c_dt_spec i2c;
|
||||
struct gpio_dt_spec dvs_state_pins[5];
|
||||
uint8_t pad_val;
|
||||
};
|
||||
|
||||
struct regulator_npm1300_config {
|
||||
struct regulator_common_config common;
|
||||
const struct device *p;
|
||||
uint8_t source;
|
||||
int32_t retention_uv;
|
||||
struct gpio_dt_spec enable_gpios;
|
||||
struct gpio_dt_spec retention_gpios;
|
||||
struct gpio_dt_spec pwm_gpios;
|
||||
};
|
||||
|
||||
struct regulator_npm1300_data {
|
||||
struct regulator_common_data data;
|
||||
};
|
||||
|
||||
/* Linear range for output voltage, common for all bucks and LDOs on this device */
|
||||
static const struct linear_range buckldo_range = LINEAR_RANGE_INIT(1000000, 100000, 0U, 23U);
|
||||
|
||||
/* Read multiple registers from specified address */
|
||||
static int reg_read_burst(const struct device *dev, uint8_t base, uint8_t offset, uint8_t *data,
|
||||
size_t len)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
const struct regulator_npm1300_pconfig *pconfig = config->p->config;
|
||||
uint8_t buff[] = {base, offset};
|
||||
|
||||
return i2c_write_read_dt(&pconfig->i2c, buff, sizeof(buff), data, len);
|
||||
}
|
||||
|
||||
static int reg_read(const struct device *dev, uint8_t base, uint8_t offset, uint8_t *data)
|
||||
{
|
||||
return reg_read_burst(dev, base, offset, data, 1U);
|
||||
}
|
||||
|
||||
/* Write single register to specified address */
|
||||
static int reg_write(const struct device *dev, uint8_t base, uint8_t offset, uint8_t data)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
const struct regulator_npm1300_pconfig *pconfig = config->p->config;
|
||||
uint8_t buff[] = {base, offset, data};
|
||||
|
||||
return i2c_write_dt(&pconfig->i2c, buff, sizeof(buff));
|
||||
}
|
||||
|
||||
/* Modify bits in single register */
|
||||
static int reg_update(const struct device *dev, uint8_t base, uint8_t offset, uint8_t data,
|
||||
uint8_t mask)
|
||||
{
|
||||
uint8_t reg;
|
||||
int ret;
|
||||
|
||||
ret = reg_read(dev, base, offset, ®);
|
||||
|
||||
if (ret < 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
reg = (reg & ~mask) | (data & mask);
|
||||
|
||||
return reg_write(dev, base, offset, reg);
|
||||
}
|
||||
|
||||
unsigned int regulator_npm1300_count_voltages(const struct device *dev)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
case NPM1300_SOURCE_LDO1:
|
||||
case NPM1300_SOURCE_LDO2:
|
||||
return linear_range_values_count(&buckldo_range);
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
int regulator_npm1300_list_voltage(const struct device *dev, unsigned int idx, int32_t *volt_uv)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
case NPM1300_SOURCE_LDO1:
|
||||
case NPM1300_SOURCE_LDO2:
|
||||
return linear_range_get_value(&buckldo_range, idx, volt_uv);
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
static int retention_set_voltage(const struct device *dev, int32_t retention_uv)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
uint16_t idx;
|
||||
uint8_t chan;
|
||||
int ret;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
chan = 0U;
|
||||
break;
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
chan = 1U;
|
||||
break;
|
||||
default:
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
ret = linear_range_get_win_index(&buckldo_range, retention_uv, retention_uv, &idx);
|
||||
|
||||
if (ret == -EINVAL) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
return reg_write(dev, BUCK_BASE, BUCK_OFFSET_VOUT_RET + (chan * 2U), idx);
|
||||
}
|
||||
|
||||
static int buck_set_voltage(const struct device *dev, uint8_t chan, int32_t min_uv, int32_t max_uv)
|
||||
{
|
||||
uint8_t mask;
|
||||
uint16_t idx;
|
||||
int ret;
|
||||
|
||||
ret = linear_range_get_win_index(&buckldo_range, min_uv, max_uv, &idx);
|
||||
|
||||
if (ret == -EINVAL) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = reg_write(dev, BUCK_BASE, BUCK_OFFSET_VOUT_NORM + (chan * 2U), idx);
|
||||
|
||||
if (ret < 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Enable SW control of buck output */
|
||||
mask = BIT(chan);
|
||||
return reg_update(dev, BUCK_BASE, BUCK_OFFSET_SW_CTRL, mask, mask);
|
||||
}
|
||||
|
||||
static int ldo_set_voltage(const struct device *dev, uint8_t chan, int32_t min_uv, int32_t max_uv)
|
||||
{
|
||||
uint16_t idx;
|
||||
int ret;
|
||||
|
||||
ret = linear_range_get_win_index(&buckldo_range, min_uv, max_uv, &idx);
|
||||
|
||||
if (ret == -EINVAL) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
return reg_write(dev, LDSW_BASE, LDSW_OFFSET_VOUTSEL + chan, idx);
|
||||
}
|
||||
|
||||
int regulator_npm1300_set_voltage(const struct device *dev, int32_t min_uv, int32_t max_uv)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
return buck_set_voltage(dev, 0, min_uv, max_uv);
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
return buck_set_voltage(dev, 1, min_uv, max_uv);
|
||||
case NPM1300_SOURCE_LDO1:
|
||||
return ldo_set_voltage(dev, 0, min_uv, max_uv);
|
||||
case NPM1300_SOURCE_LDO2:
|
||||
return ldo_set_voltage(dev, 1, min_uv, max_uv);
|
||||
default:
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
|
||||
static int buck_get_voltage(const struct device *dev, uint8_t chan, int32_t *volt_uv)
|
||||
{
|
||||
uint8_t sel;
|
||||
uint8_t idx;
|
||||
int ret;
|
||||
|
||||
ret = reg_read(dev, BUCK_BASE, BUCK_OFFSET_SW_CTRL, &sel);
|
||||
|
||||
if (ret < 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
if ((sel >> chan) & 1U) {
|
||||
/* SW control */
|
||||
ret = reg_read(dev, BUCK_BASE, BUCK_OFFSET_VOUT_NORM + (chan * 2U), &idx);
|
||||
} else {
|
||||
/* VSET pin control */
|
||||
ret = reg_read(dev, BUCK_BASE, BUCK_OFFSET_VOUT_STAT + chan, &idx);
|
||||
}
|
||||
|
||||
if (ret < 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
return linear_range_get_value(&buckldo_range, idx, volt_uv);
|
||||
}
|
||||
|
||||
static int ldo_get_voltage(const struct device *dev, uint8_t chan, int32_t *volt_uv)
|
||||
{
|
||||
uint8_t idx;
|
||||
int ret;
|
||||
|
||||
ret = reg_read(dev, LDSW_BASE, LDSW_OFFSET_VOUTSEL + chan, &idx);
|
||||
|
||||
if (ret < 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
return linear_range_get_value(&buckldo_range, idx, volt_uv);
|
||||
}
|
||||
|
||||
int regulator_npm1300_get_voltage(const struct device *dev, int32_t *volt_uv)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
return buck_get_voltage(dev, 0, volt_uv);
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
return buck_get_voltage(dev, 1, volt_uv);
|
||||
case NPM1300_SOURCE_LDO1:
|
||||
return ldo_get_voltage(dev, 0, volt_uv);
|
||||
case NPM1300_SOURCE_LDO2:
|
||||
return ldo_get_voltage(dev, 1, volt_uv);
|
||||
default:
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
|
||||
static int set_buck_mode(const struct device *dev, uint8_t chan, regulator_mode_t mode)
|
||||
{
|
||||
switch (mode) {
|
||||
case NPM1300_BUCK_MODE_PWM:
|
||||
return reg_write(dev, BUCK_BASE, BUCK_OFFSET_PWM_SET + (chan * 2U), 1U);
|
||||
case NPM1300_BUCK_MODE_AUTO:
|
||||
return reg_write(dev, BUCK_BASE, BUCK_OFFSET_PWM_CLR + (chan * 2U), 1U);
|
||||
default:
|
||||
return -ENOTSUP;
|
||||
}
|
||||
}
|
||||
|
||||
static int set_ldsw_mode(const struct device *dev, uint8_t chan, regulator_mode_t mode)
|
||||
{
|
||||
switch (mode) {
|
||||
case NPM1300_LDSW_MODE_LDO:
|
||||
return reg_write(dev, LDSW_BASE, LDSW_OFFSET_LDOSEL + chan, 1U);
|
||||
case NPM1300_LDSW_MODE_LDSW:
|
||||
return reg_write(dev, LDSW_BASE, LDSW_OFFSET_LDOSEL + chan, 0U);
|
||||
default:
|
||||
return -ENOTSUP;
|
||||
}
|
||||
}
|
||||
|
||||
int regulator_npm1300_set_mode(const struct device *dev, regulator_mode_t mode)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
return set_buck_mode(dev, 0, mode);
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
return set_buck_mode(dev, 1, mode);
|
||||
case NPM1300_SOURCE_LDO1:
|
||||
return set_ldsw_mode(dev, 0, mode);
|
||||
case NPM1300_SOURCE_LDO2:
|
||||
return set_ldsw_mode(dev, 1, mode);
|
||||
default:
|
||||
return -ENOTSUP;
|
||||
}
|
||||
}
|
||||
|
||||
int regulator_npm1300_enable(const struct device *dev)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
return reg_write(dev, BUCK_BASE, BUCK_OFFSET_EN_SET, 1U);
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
return reg_write(dev, BUCK_BASE, BUCK_OFFSET_EN_SET + 2U, 1U);
|
||||
case NPM1300_SOURCE_LDO1:
|
||||
return reg_write(dev, LDSW_BASE, LDSW_OFFSET_EN_SET, 1U);
|
||||
case NPM1300_SOURCE_LDO2:
|
||||
return reg_write(dev, LDSW_BASE, LDSW_OFFSET_EN_SET + 2U, 1U);
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
int regulator_npm1300_disable(const struct device *dev)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
return reg_write(dev, BUCK_BASE, BUCK_OFFSET_EN_CLR, 1U);
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
return reg_write(dev, BUCK_BASE, BUCK_OFFSET_EN_CLR + 2U, 1U);
|
||||
case NPM1300_SOURCE_LDO1:
|
||||
return reg_write(dev, LDSW_BASE, LDSW_OFFSET_EN_CLR, 1U);
|
||||
case NPM1300_SOURCE_LDO2:
|
||||
return reg_write(dev, LDSW_BASE, LDSW_OFFSET_EN_CLR + 2U, 1U);
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
static int regulator_npm1300_set_buck_pin_ctrl(const struct device *dev, uint8_t chan, uint8_t pin,
|
||||
uint8_t inv, enum npm1300_gpio_type type)
|
||||
{
|
||||
uint8_t ctrl;
|
||||
uint8_t mask;
|
||||
|
||||
switch (chan) {
|
||||
case 0:
|
||||
/* Invert control in bit 6, pin control in bits 2-0 */
|
||||
ctrl = (inv << 6U) | (pin + 1U);
|
||||
mask = BIT(6U) | BIT_MASK(3U);
|
||||
break;
|
||||
case 1:
|
||||
/* Invert control in bit 7, pin control in bits 5-3 */
|
||||
ctrl = (inv << 7U) | ((pin + 1U) << 3U);
|
||||
mask = BIT(7U) | (BIT_MASK(3U) << 3U);
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
switch (type) {
|
||||
case NPM1300_GPIO_TYPE_ENABLE:
|
||||
return reg_update(dev, BUCK_BASE, BUCK_OFFSET_EN_CTRL, ctrl, mask);
|
||||
case NPM1300_GPIO_TYPE_PWM:
|
||||
return reg_update(dev, BUCK_BASE, BUCK_OFFSET_PWM_CTRL, ctrl, mask);
|
||||
case NPM1300_GPIO_TYPE_RETENTION:
|
||||
return reg_update(dev, BUCK_BASE, BUCK_OFFSET_VRET_CTRL, ctrl, mask);
|
||||
default:
|
||||
return -ENOTSUP;
|
||||
}
|
||||
}
|
||||
|
||||
static int regulator_npm1300_set_ldsw_pin_ctrl(const struct device *dev, uint8_t chan, uint8_t pin,
|
||||
uint8_t inv, enum npm1300_gpio_type type)
|
||||
{
|
||||
uint8_t ctrl;
|
||||
|
||||
if (type != NPM1300_GPIO_TYPE_ENABLE) {
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
ctrl = (pin + 1U) | (inv << 3U);
|
||||
|
||||
return reg_write(dev, LDSW_BASE, LDSW_OFFSET_GPISEL + chan, type);
|
||||
}
|
||||
|
||||
int regulator_npm1300_set_pin_ctrl(const struct device *dev, const struct gpio_dt_spec *spec,
|
||||
enum npm1300_gpio_type type)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
uint8_t inv;
|
||||
|
||||
if (spec->port == NULL) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
inv = (spec->dt_flags & GPIO_ACTIVE_LOW) != 0U;
|
||||
|
||||
switch (config->source) {
|
||||
case NPM1300_SOURCE_BUCK1:
|
||||
return regulator_npm1300_set_buck_pin_ctrl(dev, 0, spec->pin, inv, type);
|
||||
case NPM1300_SOURCE_BUCK2:
|
||||
return regulator_npm1300_set_buck_pin_ctrl(dev, 1, spec->pin, inv, type);
|
||||
case NPM1300_SOURCE_LDO1:
|
||||
return regulator_npm1300_set_ldsw_pin_ctrl(dev, 0, spec->pin, inv, type);
|
||||
case NPM1300_SOURCE_LDO2:
|
||||
return regulator_npm1300_set_ldsw_pin_ctrl(dev, 1, spec->pin, inv, type);
|
||||
default:
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
|
||||
int regulator_npm1300_dvs_state_set(const struct device *dev, regulator_dvs_state_t state)
|
||||
{
|
||||
const struct regulator_npm1300_pconfig *pconfig = dev->config;
|
||||
const struct gpio_dt_spec *spec;
|
||||
int ret;
|
||||
|
||||
for (size_t idx = 0U; idx < 5U; idx++) {
|
||||
spec = &pconfig->dvs_state_pins[idx];
|
||||
|
||||
if (spec->port != NULL) {
|
||||
ret = gpio_pin_set_dt(spec, ((state >> idx) & 1U) != 0U);
|
||||
|
||||
if (ret != 0) {
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct regulator_parent_driver_api parent_api = {
|
||||
.dvs_state_set = regulator_npm1300_dvs_state_set,
|
||||
};
|
||||
|
||||
int regulator_npm1300_common_init(const struct device *dev)
|
||||
{
|
||||
const struct regulator_npm1300_pconfig *pconfig = dev->config;
|
||||
const struct gpio_dt_spec *spec;
|
||||
int ret;
|
||||
|
||||
for (size_t idx = 0U; idx < 5U; idx++) {
|
||||
spec = &pconfig->dvs_state_pins[idx];
|
||||
|
||||
if (spec->port != NULL) {
|
||||
if (!gpio_is_ready_dt(spec)) {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ret = gpio_pin_configure_dt(spec, GPIO_OUTPUT);
|
||||
if (ret != 0) {
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int regulator_npm1300_init(const struct device *dev)
|
||||
{
|
||||
const struct regulator_npm1300_config *config = dev->config;
|
||||
int ret = 0;
|
||||
|
||||
if (!device_is_ready(config->p)) {
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ret = regulator_common_init(dev, false);
|
||||
if (ret < 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Configure retention voltage */
|
||||
if (config->retention_uv != 0) {
|
||||
ret = retention_set_voltage(dev, config->retention_uv);
|
||||
if (ret != 0) {
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
/* Configure GPIO pin control */
|
||||
ret = regulator_npm1300_set_pin_ctrl(dev, &config->enable_gpios, NPM1300_GPIO_TYPE_ENABLE);
|
||||
if (ret != 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = regulator_npm1300_set_pin_ctrl(dev, &config->retention_gpios,
|
||||
NPM1300_GPIO_TYPE_RETENTION);
|
||||
if (ret != 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = regulator_npm1300_set_pin_ctrl(dev, &config->pwm_gpios, NPM1300_GPIO_TYPE_PWM);
|
||||
if (ret != 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct regulator_driver_api api = {.enable = regulator_npm1300_enable,
|
||||
.disable = regulator_npm1300_disable,
|
||||
.count_voltages = regulator_npm1300_count_voltages,
|
||||
.list_voltage = regulator_npm1300_list_voltage,
|
||||
.set_voltage = regulator_npm1300_set_voltage,
|
||||
.get_voltage = regulator_npm1300_get_voltage,
|
||||
.set_mode = regulator_npm1300_set_mode};
|
||||
|
||||
#define REGULATOR_NPM1300_DEFINE(node_id, id, _source, parent) \
|
||||
static struct regulator_npm1300_data data_##id; \
|
||||
\
|
||||
static const struct regulator_npm1300_config config_##id = { \
|
||||
.common = REGULATOR_DT_COMMON_CONFIG_INIT(node_id), \
|
||||
.p = parent, \
|
||||
.source = _source, \
|
||||
.retention_uv = DT_PROP_OR(node_id, retention_microvolt, 0), \
|
||||
.enable_gpios = GPIO_DT_SPEC_GET_OR(node_id, enable_gpios, {0}), \
|
||||
.retention_gpios = GPIO_DT_SPEC_GET_OR(node_id, retention_gpios, {0}), \
|
||||
.pwm_gpios = GPIO_DT_SPEC_GET_OR(node_id, pwm_gpios, {0})}; \
|
||||
\
|
||||
DEVICE_DT_DEFINE(node_id, regulator_npm1300_init, NULL, &data_##id, &config_##id, \
|
||||
POST_KERNEL, CONFIG_REGULATOR_NPM1300_INIT_PRIORITY, &api);
|
||||
|
||||
#define REGULATOR_NPM1300_DEFINE_COND(inst, child, source, parent) \
|
||||
COND_CODE_1(DT_NODE_EXISTS(DT_INST_CHILD(inst, child)), \
|
||||
(REGULATOR_NPM1300_DEFINE(DT_INST_CHILD(inst, child), child##inst, source, \
|
||||
parent)), \
|
||||
())
|
||||
|
||||
#define REGULATOR_NPM1300_DEFINE_ALL(inst) \
|
||||
static const struct regulator_npm1300_pconfig config_##inst = { \
|
||||
.i2c = I2C_DT_SPEC_GET(DT_INST_PARENT(inst)), \
|
||||
.dvs_state_pins = {GPIO_DT_SPEC_INST_GET_BY_IDX_OR(inst, dvs_gpios, 0, {0}), \
|
||||
GPIO_DT_SPEC_INST_GET_BY_IDX_OR(inst, dvs_gpios, 1, {0}), \
|
||||
GPIO_DT_SPEC_INST_GET_BY_IDX_OR(inst, dvs_gpios, 2, {0}), \
|
||||
GPIO_DT_SPEC_INST_GET_BY_IDX_OR(inst, dvs_gpios, 3, {0}), \
|
||||
GPIO_DT_SPEC_INST_GET_BY_IDX_OR(inst, dvs_gpios, 4, {0})}}; \
|
||||
\
|
||||
DEVICE_DT_INST_DEFINE(inst, regulator_npm1300_common_init, NULL, NULL, &config_##inst, \
|
||||
POST_KERNEL, CONFIG_REGULATOR_NPM1300_COMMON_INIT_PRIORITY, \
|
||||
&parent_api); \
|
||||
\
|
||||
REGULATOR_NPM1300_DEFINE_COND(inst, buck1, NPM1300_SOURCE_BUCK1, DEVICE_DT_INST_GET(inst)) \
|
||||
REGULATOR_NPM1300_DEFINE_COND(inst, buck2, NPM1300_SOURCE_BUCK2, DEVICE_DT_INST_GET(inst)) \
|
||||
REGULATOR_NPM1300_DEFINE_COND(inst, ldo1, NPM1300_SOURCE_LDO1, DEVICE_DT_INST_GET(inst)) \
|
||||
REGULATOR_NPM1300_DEFINE_COND(inst, ldo2, NPM1300_SOURCE_LDO1, DEVICE_DT_INST_GET(inst))
|
||||
|
||||
DT_INST_FOREACH_STATUS_OKAY(REGULATOR_NPM1300_DEFINE_ALL)
|
||||
Loading…
Add table
Add a link
Reference in a new issue