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// SPDX-License-Identifier: GPL-2.0+
#include <axp_pmic.h>
#include <dm.h>
#include <dm/lists.h>
#include <i2c.h>
#include <power/pmic.h>
#include <sysreset.h>
#if CONFIG_IS_ENABLED(SYSRESET)
static int axp_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
int ret;
if (type != SYSRESET_POWER_OFF)
return -EPROTONOSUPPORT;
ret = pmic_clrsetbits(dev->parent, AXP152_SHUTDOWN, 0, AXP152_POWEROFF);
if (ret < 0)
return ret;
return -EINPROGRESS;
}
static struct sysreset_ops axp_sysreset_ops = {
.request = axp_sysreset_request,
};
U_BOOT_DRIVER(axp_sysreset) = {
.name = "axp_sysreset",
.id = UCLASS_SYSRESET,
.ops = &axp_sysreset_ops,
};
#endif
static int axp_pmic_reg_count(struct udevice *dev)
{
/* TODO: Get the specific value from driver data. */
return 0x100;
}
static struct dm_pmic_ops axp_pmic_ops = {
.reg_count = axp_pmic_reg_count,
.read = dm_i2c_read,
.write = dm_i2c_write,
};
static const struct pmic_child_info axp_pmic_child_info[] = {
{ "aldo", "axp_regulator" },
{ "bldo", "axp_regulator" },
{ "cldo", "axp_regulator" },
{ "dc", "axp_regulator" },
{ "dldo", "axp_regulator" },
{ "eldo", "axp_regulator" },
{ "fldo", "axp_regulator" },
{ "ldo", "axp_regulator" },
{ "sw", "axp_regulator" },
{ }
};
static int axp_pmic_bind(struct udevice *dev)
{
ofnode regulators_node;
int ret;
ret = dm_scan_fdt_dev(dev);
if (ret)
return ret;
regulators_node = dev_read_subnode(dev, "regulators");
if (ofnode_valid(regulators_node))
pmic_bind_children(dev, regulators_node, axp_pmic_child_info);
if (CONFIG_IS_ENABLED(SYSRESET)) {
ret = device_bind_driver_to_node(dev, "axp_sysreset", "axp_sysreset",
dev_ofnode(dev), NULL);
if (ret)
return ret;
}
return 0;
}
static const struct udevice_id axp_pmic_ids[] = {
{ .compatible = "x-powers,axp152", .data = AXP152_ID },
{ .compatible = "x-powers,axp202", .data = AXP202_ID },
{ .compatible = "x-powers,axp209", .data = AXP209_ID },
{ .compatible = "x-powers,axp221", .data = AXP221_ID },
{ .compatible = "x-powers,axp223", .data = AXP223_ID },
{ .compatible = "x-powers,axp803", .data = AXP803_ID },
{ .compatible = "x-powers,axp806", .data = AXP806_ID },
{ .compatible = "x-powers,axp809", .data = AXP809_ID },
{ .compatible = "x-powers,axp813", .data = AXP813_ID },
{ }
};
U_BOOT_DRIVER(axp_pmic) = {
.name = "axp_pmic",
.id = UCLASS_PMIC,
.of_match = axp_pmic_ids,
.bind = axp_pmic_bind,
.ops = &axp_pmic_ops,
};
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