1 files changed, 35 insertions, 0 deletions
diff --git a/zephyr/include/ap_power/ap_power_espi.h b/zephyr/include/ap_power/ap_power_espi.h
new file mode 100644
index 0000000000..2c295054f3
--- /dev/null
+++ b/zephyr/include/ap_power/ap_power_espi.h
@@ -0,0 +1,35 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/**
+ * @file
+ * @brief API for power signal ESPI callback.
+ */
+
+#ifndef __AP_POWER_AP_POWER_ESPI_H__
+#define __AP_POWER_AP_POWER_ESPI_H__
+
+#include <zephyr/drivers/espi.h>
+
+/**
+ * @brief ESPI callback for power signal handling.
+ *
+ * This callback must be registered for the bus events indicated below
+ * as part of the common ESPI initialisation and configuration.
+ *
+ * @param dev ESPI device
+ * @param cb Callback structure
+ * @param event ESPI event data
+ */
+void power_signal_espi_cb(const struct device *dev, struct espi_callback *cb,
+			  struct espi_event event);
+
+/*
+ * The ESPI bus events required for the power signal ESPI callback.
+ */
+#define POWER_SIGNAL_ESPI_BUS_EVENTS \
+	(ESPI_BUS_EVENT_CHANNEL_READY | ESPI_BUS_EVENT_VWIRE_RECEIVED)
+
+#endif /* __AP_POWER_AP_POWER_ESPI_H__ */