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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2026 Free Mobile - Vincent Jardin
*
* Generic UCLASS_THERMAL companion for PMBus voltage regulators.
*
* Works with any chip bound by a pmbus_helper based regulator driver
* (drivers/power/regulator/<chip>.c calling
* pmbus_regulator_probe_common()). It auto-spawns one
* of these thermal devices per regulator.
*
* The reading is the chip's READ_TEMPERATURE_1 (PMBus 0x8D), decoded
* through the parent's pmbus_driver_info.
*/
#include <dm.h>
#include <pmbus.h>
#include <thermal.h>
static int pmbus_thermal_get_temp(struct udevice *dev, int *temp)
{
return pmbus_regulator_read_temp(dev_get_parent(dev), temp);
}
static const struct dm_thermal_ops pmbus_thermal_ops = {
.get_temp = pmbus_thermal_get_temp,
};
U_BOOT_DRIVER(pmbus_thermal) = {
.name = "pmbus_thermal",
.id = UCLASS_THERMAL,
.ops = &pmbus_thermal_ops,
};
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