From ab03b538d4ea6a01b2f228e9b590c3bed74c4d5d Mon Sep 17 00:00:00 2001
From: Carles Cufi <carles.cufi@nordicsemi.no>
Date: Tue, 17 Mar 2020 12:53:52 +0100
Subject: [PATCH] doc: reference: Add GNA API entry

Add an entry for the GNA API.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
---
 doc/reference/peripherals/gna.rst   | 23 +++++++++++++++++++++++
 doc/reference/peripherals/index.rst |  1 +
 include/drivers/gna.h               | 16 +++++++++++++---
 3 files changed, 37 insertions(+), 3 deletions(-)
 create mode 100644 doc/reference/peripherals/gna.rst

diff --git a/doc/reference/peripherals/gna.rst b/doc/reference/peripherals/gna.rst
new file mode 100644
index 00000000000..fcade26c8bf
--- /dev/null
+++ b/doc/reference/peripherals/gna.rst
@@ -0,0 +1,23 @@
+.. _gna_api:
+
+GNA
+###
+
+Overview
+********
+
+The GNA API provides access to Intel's Gaussian Mixture Model and Neural Network
+Accelerator (GNA).
+
+Configuration Options
+*********************
+
+Related configuration options:
+
+* :option:`CONFIG_INTEL_GNA`
+
+API Reference
+*************
+
+.. doxygengroup:: gna_interface
+   :project: Zephyr
diff --git a/doc/reference/peripherals/index.rst b/doc/reference/peripherals/index.rst
index 7b69a723d99..3e9f4989e6c 100644
--- a/doc/reference/peripherals/index.rst
+++ b/doc/reference/peripherals/index.rst
@@ -12,6 +12,7 @@ Peripherals
    eeprom.rst
    entropy.rst
    flash.rst
+   gna.rst
    gpio.rst
    i2c_eeprom_slave.rst
    i2c.rst
diff --git a/include/drivers/gna.h b/include/drivers/gna.h
index b31d432f6df..49d660cbc94 100644
--- a/include/drivers/gna.h
+++ b/include/drivers/gna.h
@@ -9,14 +9,20 @@
 /**
  * @file
  * @brief Public API header file for Intel GNA driver
- *
- * This file contains the driver APIs for Intel's
- * Gaussian Mixture Model and Neural Network Accelerator (GNA)
  */
 
 #ifndef __INCLUDE_GNA__
 #define __INCLUDE_GNA__
 
+/**
+ * @defgroup gna_interface GNA Interface
+ * @ingroup io_interfaces
+ * @{
+ *
+ * This file contains the driver APIs for Intel's
+ * Gaussian Mixture Model and Neural Network Accelerator (GNA)
+ */
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -213,4 +219,8 @@ static inline int gna_infer(struct device *dev, struct gna_inference_req *req,
 }
 #endif
 
+/**
+ * @}
+ */
+
 #endif /* __INCLUDE_GNA__ */