1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/thermal/pmbus_thermal.c b/drivers/thermal/pmbus_thermal.c
new file mode 100644
index 00000000000..c251cea8ddf
--- /dev/null
+++ b/drivers/thermal/pmbus_thermal.c
@@ -0,0 +1,33 @@
+// 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,
+};