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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com>
*/
#include <dm.h>
#include <dm/lists.h>
#include <power/pmic.h>
#include <power/max77663.h>
static const struct pmic_child_info pmic_children_info[] = {
{ .prefix = "ldo", .driver = MAX77663_LDO_DRIVER },
{ .prefix = "sd", .driver = MAX77663_SD_DRIVER },
{ },
};
static int max77663_write(struct udevice *dev, uint reg, const uint8_t *buff,
int len)
{
int ret;
ret = dm_i2c_write(dev, reg, buff, len);
if (ret) {
log_debug("write error to device: %p register: %#x!\n", dev, reg);
return ret;
}
return 0;
}
static int max77663_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
{
int ret;
ret = dm_i2c_read(dev, reg, buff, len);
if (ret) {
log_debug("read error from device: %p register: %#x!\n", dev, reg);
return ret;
}
return 0;
}
static int max77663_bind(struct udevice *dev)
{
ofnode regulators_node;
int children, ret;
if (IS_ENABLED(CONFIG_SYSRESET_MAX77663)) {
ret = device_bind_driver(dev, MAX77663_RST_DRIVER,
"sysreset", NULL);
if (ret) {
log_err("cannot bind SYSRESET (ret = %d)\n", ret);
return ret;
}
}
if (IS_ENABLED(CONFIG_MAX77663_GPIO)) {
ret = device_bind_driver(dev, MAX77663_GPIO_DRIVER,
"gpio", NULL);
if (ret) {
log_err("cannot bind GPIOs (ret = %d)\n", ret);
return ret;
}
}
regulators_node = dev_read_subnode(dev, "regulators");
if (!ofnode_valid(regulators_node)) {
log_err("%s regulators subnode not found!\n", dev->name);
return -ENXIO;
}
debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
children = pmic_bind_children(dev, regulators_node, pmic_children_info);
if (!children)
log_err("%s - no child found\n", dev->name);
/* Always return success for this device */
return 0;
}
static struct dm_pmic_ops max77663_ops = {
.read = max77663_read,
.write = max77663_write,
};
static const struct udevice_id max77663_ids[] = {
{ .compatible = "maxim,max77663" },
{ }
};
U_BOOT_DRIVER(pmic_max77663) = {
.name = "max77663_pmic",
.id = UCLASS_PMIC,
.of_match = max77663_ids,
.bind = max77663_bind,
.ops = &max77663_ops,
};
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