diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index ccbeab9500ec..0276c1487fa2 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -611,3 +611,10 @@ config X86_PM_TIMER
 
 	  You should nearly always say Y here because many modern
 	  systems require this timer.
+
+config ACPI_WBRF
+	bool "ACPI Wifi band RF mitigation mechanism"
+	help
+	  Wifi band RF mitigation mechanism allows multiple drivers from
+	  different domains to notify the frequencies in use so that hardware
+	  can be reconfigured to avoid harmonic conflicts.
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index feb36c0b9446..14863b0c619f 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -131,3 +131,5 @@ obj-y				+= dptf/
 obj-$(CONFIG_ARM64)		+= arm64/
 
 obj-$(CONFIG_ACPI_VIOT)		+= viot.o
+
+obj-$(CONFIG_ACPI_WBRF)		+= acpi_wbrf.o
diff --git a/drivers/acpi/acpi_wbrf.c b/drivers/acpi/acpi_wbrf.c
new file mode 100644
index 000000000000..8c275998ac29
--- /dev/null
+++ b/drivers/acpi/acpi_wbrf.c
@@ -0,0 +1,215 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * AMD Wifi Band Exclusion Interface
+ * Copyright (C) 2023 Advanced Micro Devices
+ *
+ */
+
+#include <linux/wbrf.h>
+
+/* functions */
+#define WBRF_RECORD		0x1
+#define WBRF_RETRIEVE		0x2
+
+/* record actions */
+#define WBRF_RECORD_ADD		0x0
+#define WBRF_RECORD_REMOVE	0x1
+
+#define WBRF_REVISION		0x1
+
+static const guid_t wifi_acpi_dsm_guid =
+	GUID_INIT(0x7b7656cf, 0xdc3d, 0x4c1c,
+		  0x83, 0xe9, 0x66, 0xe7, 0x21, 0xde, 0x30, 0x70);
+
+static int wbrf_dsm(struct acpi_device *adev, u8 fn,
+		    union acpi_object *argv4,
+		    union acpi_object **out)
+{
+	union acpi_object *obj;
+	int rc;
+
+	obj = acpi_evaluate_dsm(adev->handle, &wifi_acpi_dsm_guid,
+				WBRF_REVISION, fn, argv4);
+	if (!obj)
+		return -ENXIO;
+
+	switch (obj->type) {
+	case ACPI_TYPE_BUFFER:
+		if (!*out) {
+			rc = -EINVAL;
+			break;
+		}
+		*out = obj;
+		return 0;
+
+	case ACPI_TYPE_INTEGER:
+		rc =  obj->integer.value ? -EINVAL : 0;
+		break;
+	default:
+		rc = -EOPNOTSUPP;
+	}
+	ACPI_FREE(obj);
+
+	return rc;
+}
+
+static int wbrf_record(struct acpi_device *adev, uint8_t action,
+		       struct wbrf_ranges_in *in)
+{
+	union acpi_object *argv4;
+	uint32_t num_of_ranges = 0;
+	uint32_t arg_idx = 0;
+	uint32_t loop_idx;
+	int ret;
+
+	if (!in)
+		return -EINVAL;
+
+	for (loop_idx = 0; loop_idx < ARRAY_SIZE(in->band_list);
+	     loop_idx++)
+		if (in->band_list[loop_idx].start &&
+		    in->band_list[loop_idx].end)
+			num_of_ranges++;
+
+	argv4 = kzalloc(sizeof(*argv4) * (2 * num_of_ranges + 2 + 1), GFP_KERNEL);
+	if (!argv4)
+		return -ENOMEM;
+
+	argv4[arg_idx].package.type = ACPI_TYPE_PACKAGE;
+	argv4[arg_idx].package.count = 2 + 2 * num_of_ranges;
+	argv4[arg_idx++].package.elements = &argv4[1];
+	argv4[arg_idx].integer.type = ACPI_TYPE_INTEGER;
+	argv4[arg_idx++].integer.value = num_of_ranges;
+	argv4[arg_idx].integer.type = ACPI_TYPE_INTEGER;
+	argv4[arg_idx++].integer.value = action;
+
+	for (loop_idx = 0; loop_idx < ARRAY_SIZE(in->band_list);
+	     loop_idx++) {
+		if (!in->band_list[loop_idx].start ||
+		    !in->band_list[loop_idx].end)
+			continue;
+
+		argv4[arg_idx].integer.type = ACPI_TYPE_INTEGER;
+		argv4[arg_idx++].integer.value = in->band_list[loop_idx].start;
+		argv4[arg_idx].integer.type = ACPI_TYPE_INTEGER;
+		argv4[arg_idx++].integer.value = in->band_list[loop_idx].end;
+	}
+
+	ret = wbrf_dsm(adev, WBRF_RECORD, argv4, NULL);
+
+	kfree(argv4);
+
+	return ret;
+}
+
+int wbrf_add_exclusion(struct acpi_device *adev,
+		       struct wbrf_ranges_in *in)
+{
+	return wbrf_record(adev, WBRF_RECORD_ADD, in);
+}
+EXPORT_SYMBOL_GPL(wbrf_add_exclusion);
+
+int wbrf_remove_exclusion(struct acpi_device *adev,
+			  struct wbrf_ranges_in *in)
+{
+	return wbrf_record(adev, WBRF_RECORD_REMOVE, in);
+}
+EXPORT_SYMBOL_GPL(wbrf_remove_exclusion);
+
+bool wbrf_supported_producer(struct acpi_device *adev)
+{
+	return acpi_check_dsm(adev->handle, &wifi_acpi_dsm_guid,
+			      WBRF_REVISION,
+			      (1ULL << WBRF_RECORD) | (1ULL << WBRF_RETRIEVE));
+}
+EXPORT_SYMBOL_GPL(wbrf_supported_producer);
+
+static union acpi_object *
+acpi_evaluate_wbrf(acpi_handle handle, u64 rev, u64 func)
+{
+	acpi_status ret;
+	struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL};
+	union acpi_object params[4];
+	struct acpi_object_list input = {
+		.count = 4,
+		.pointer = params,
+	};
+
+	params[0].type = ACPI_TYPE_INTEGER;
+	params[0].integer.value = rev;
+	params[1].type = ACPI_TYPE_INTEGER;
+	params[1].integer.value = func;
+	params[2].type = ACPI_TYPE_PACKAGE;
+	params[2].package.count = 0;
+	params[2].package.elements = NULL;
+	params[3].type = ACPI_TYPE_STRING;
+	params[3].string.length = 0;
+	params[3].string.pointer= NULL;
+
+	ret = acpi_evaluate_object(handle, "WBRF", &input, &buf);
+	if (ACPI_SUCCESS(ret))
+		return (union acpi_object *)buf.pointer;
+
+	if (ret != AE_NOT_FOUND)
+		acpi_handle_warn(handle,
+				 "failed to evaluate WBRF(0x%x)\n", ret);
+
+	return NULL;
+}
+
+static bool check_acpi_wbrf(acpi_handle handle, u64 rev, u64 funcs)
+{
+	int i;
+	u64 mask = 0;
+	union acpi_object *obj;
+
+	if (funcs == 0)
+		return false;
+
+	obj = acpi_evaluate_wbrf(handle, rev, 0);
+	if (!obj)
+		return false;
+
+	if (obj->type != ACPI_TYPE_BUFFER)
+		return false;
+
+	for (i = 0; i < obj->buffer.length && i < 8; i++)
+		mask |= (((u64)obj->buffer.pointer[i]) << (i * 8));
+	ACPI_FREE(obj);
+
+	/*
+	 * Bit 0 indicates whether there's support for any functions other than
+	 * function 0.
+	 */
+	if ((mask & 0x1) && (mask & funcs) == funcs)
+		return true;
+
+	return false;
+}
+
+bool wbrf_supported_consumer(struct acpi_device *adev)
+{
+	return check_acpi_wbrf(adev->handle,
+			       WBRF_REVISION,
+			       1ULL << WBRF_RETRIEVE);
+}
+EXPORT_SYMBOL_GPL(wbrf_supported_consumer);
+
+int wbrf_retrieve_exclusions(struct acpi_device *adev,
+			     struct wbrf_ranges_out *exclusions_out)
+{
+	union acpi_object *obj;
+
+	obj = acpi_evaluate_wbrf(adev->handle,
+				 WBRF_REVISION,
+				 WBRF_RETRIEVE);
+	if (!obj)
+		return -EINVAL;
+
+	memcpy(exclusions_out, obj->buffer.pointer, obj->buffer.length);
+
+	ACPI_FREE(obj);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(wbrf_retrieve_exclusions);
diff --git a/include/linux/wbrf.h b/include/linux/wbrf.h
new file mode 100644
index 000000000000..e4c99b69f1d2
--- /dev/null
+++ b/include/linux/wbrf.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * AMD Wifi Band Exclusion Interface
+ * Copyright (C) 2023 Advanced Micro Devices
+ */
+
+#ifndef _LINUX_WBRF_H
+#define _LINUX_WBRF_H
+
+#include <linux/acpi.h>
+
+/* Maximum number of wbrf ranges */
+#define MAX_NUM_OF_WBRF_RANGES		11
+
+struct exclusion_range {
+	/* start and end point of the frequency range in Hz */
+	uint64_t	start;
+	uint64_t	end;
+};
+
+struct wbrf_ranges_in {
+	/* valid entry: `start` and `end` filled with non-zero values */
+	struct exclusion_range	band_list[MAX_NUM_OF_WBRF_RANGES];
+};
+
+struct wbrf_ranges_out {
+	uint32_t		num_of_ranges;
+	struct exclusion_range	band_list[MAX_NUM_OF_WBRF_RANGES];
+} __attribute__((packed));
+
+/**
+ * APIs needed by drivers/subsystems for contributing frequencies:
+ * During probe, check `wbrf_supported_producer` to see if WBRF is supported.
+ * If adding frequencies, then call `wbrf_add_exclusion` with the
+ * start and end points specified for the frequency ranges added.
+ * If removing frequencies, then call `wbrf_remove_exclusion` with
+ * start and end points specified for the frequency ranges added.
+ */
+bool wbrf_supported_producer(struct acpi_device *adev);
+int wbrf_add_exclusion(struct acpi_device *adev,
+		       struct wbrf_ranges_in *in);
+int wbrf_remove_exclusion(struct acpi_device *adev,
+			  struct wbrf_ranges_in *in);
+
+/**
+ * APIs needed by drivers/subsystems responding to frequencies:
+ * During probe, check `wbrf_supported_consumer` to see if WBRF is supported.
+ * When receiving an ACPI notification for some frequencies change, run
+ * `wbrf_retrieve_exclusions` to retrieve the latest frequencies ranges.
+ */
+int wbrf_retrieve_exclusions(struct acpi_device *adev,
+			     struct wbrf_ranges_out *out);
+bool wbrf_supported_consumer(struct acpi_device *adev);
+
+#endif /* _LINUX_WBRF_H */
