diff --git a/Kconfig b/Kconfig
index a8590902b646..9b03ba245391 100644
--- a/Kconfig
+++ b/Kconfig
@@ -9,6 +9,7 @@ mainmenu "RIOT Configuration"
 # For now, get used modules as macros from this file (see kconfig.mk)
 osource "$(KCONFIG_GENERATED_DEPENDENCIES)"
 
+rsource "cpu/Kconfig"
 rsource "sys/Kconfig"
 
 # The application may declare new symbols as well
diff --git a/cpu/Kconfig b/cpu/Kconfig
new file mode 100644
index 000000000000..6d47751275fc
--- /dev/null
+++ b/cpu/Kconfig
@@ -0,0 +1,11 @@
+# Copyright (c) 2020 Gunar Schorcht
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+menu "CPU"
+
+rsource "*/Kconfig"
+
+endmenu # CPU
diff --git a/cpu/esp32/Kconfig b/cpu/esp32/Kconfig
new file mode 100644
index 000000000000..a9336b7f8c88
--- /dev/null
+++ b/cpu/esp32/Kconfig
@@ -0,0 +1,33 @@
+# Copyright (c) 2020 Gunar Schorcht
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+menuconfig KCONFIG_CPU_ESP32
+    bool "Configure ESP32 CPU"
+    depends on MODULE_ESP_ESP32
+    help
+        Configure ESP32 CPU via Kconfig.
+
+if KCONFIG_CPU_ESP32
+
+choice ESP32_DEFAULT_CPU_FREQ_MHZ
+   bool "CPU frequency"
+   default ESP32_DEFAULT_CPU_FREQ_MHZ_80
+   help
+       Defines the CPU frequency.
+
+config ESP32_DEFAULT_CPU_FREQ_MHZ_80
+   bool "80 MHz"
+config ESP32_DEFAULT_CPU_FREQ_MHZ_160
+   bool "160 MHz"
+config ESP32_DEFAULT_CPU_FREQ_MHZ_240
+   bool "240 MHz"
+endchoice
+
+rsource "esp-wifi/Kconfig"
+rsource "$(RIOTBASE)/cpu/esp_common/esp-now/Kconfig"
+
+endif # ESP32 settings
diff --git a/cpu/esp32/Makefile.include b/cpu/esp32/Makefile.include
index e1d3102cafe3..e00d26ae6700 100644
--- a/cpu/esp32/Makefile.include
+++ b/cpu/esp32/Makefile.include
@@ -82,6 +82,7 @@ ifneq (,$(filter 4 5,$(LOG_LEVEL)))
 endif
 
 # ESP32 pseudomodules
+PSEUDOMODULES += esp_esp32
 PSEUDOMODULES += esp_eth_hw
 PSEUDOMODULES += esp_gdb
 PSEUDOMODULES += esp_gdbstub
@@ -100,6 +101,7 @@ PSEUDOMODULES += esp_wifi_any
 export TARGET_ARCH ?= xtensa-esp32-elf
 
 USEMODULE += esp_common
+USEMODULE += esp_esp32
 USEMODULE += esp_idf
 USEMODULE += esp_idf_driver
 USEMODULE += esp_idf_esp32
diff --git a/cpu/esp32/doc.txt b/cpu/esp32/doc.txt
index ff9990ff3ade..af5b68f44f5a 100644
--- a/cpu/esp32/doc.txt
+++ b/cpu/esp32/doc.txt
@@ -1004,11 +1004,11 @@ Furthermore, the following configuration parameters have to be defined:
 
 <center>
 
-Parameter          | Default                   | Description
-:------------------|:--------------------------|:------------
-ESP_WIFI_SSID      | "RIOT_AP"                 | SSID of the AP to be used.
-ESP_WIFI_PASS      | "ThisistheRIOTporttoESP"  | Passphrase used for the AP as clear text (max. 64 chars).
-ESP_WIFI_STACKSIZE | #THREAD_STACKSIZE_DEFAULT |Stack size used for the WiFi netdev driver thread.
+Parameter                  | Default                   | Description
+:--------------------------|:--------------------------|:------------
+#CONFIG_ESP_WIFI_SSID      | "RIOT_AP"                 | SSID of the AP to be used.
+#CONFIG_ESP_WIFI_PASS      | "ThisistheRIOTporttoESP"  | Passphrase used for the AP as clear text (max. 64 chars).
+#CONFIG_ESP_WIFI_STACKSIZE | #THREAD_STACKSIZE_DEFAULT |Stack size used for the WiFi netdev driver thread.
 
 </center>
 
@@ -1018,7 +1018,7 @@ line, e.g.:
 
 ```
 USEMODULE=esp_wifi \
-CFLAGS='-DESP_WIFI_SSID=\"MySSID\" -DESP_WIFI_PASS=\"MyPassphrase\"' \
+CFLAGS='-DCONFIG_ESP_WIFI_SSID=\"MySSID\" -DCONFIG_ESP_WIFI_PASS=\"MyPassphrase\"' \
 make -C examples/gnrc_networking BOARD=...
 ```
 
@@ -1049,10 +1049,10 @@ The following parameters are defined for ESP-NOW nodes. These parameters can be
 
 Parameter | Default | Description
 :---------|:--------|:-----------
-ESP_NOW_SCAN_PERIOD | 10000000UL | Defines the period in us at which an node scans for other nodes in its range. The default period is 10 s.
-ESP_NOW_SOFT_AP_PASS | "ThisistheRIOTporttoESP" | Defines the passphrase as clear text (max. 64 chars) that is used for the SoftAP interface of ESP-NOW nodes. It has to be same for all nodes in one network.
-ESP_NOW_CHANNEL | 6 | Defines the channel that is used as the broadcast medium by all nodes together.
-ESP_NOW_KEY | NULL | Defines a key that is used for encrypted communication between nodes. If it is NULL, encryption is disabled. The key has to be of type ```uint8_t[16]``` and has to be exactly 16 bytes long.
+#CONFIG_ESP_NOW_SCAN_PERIOD | 10000000UL | Defines the period in us at which an node scans for other nodes in its range. The default period is 10 s.
+#CONFIG_ESP_NOW_SOFT_AP_PASS | "ThisistheRIOTporttoESP" | Defines the passphrase as clear text (max. 64 chars) that is used for the SoftAP interface of ESP-NOW nodes. It has to be same for all nodes in one network.
+#CONFIG_ESP_NOW_CHANNEL | 6 | Defines the channel that is used as the broadcast medium by all nodes together.
+#CONFIG_ESP_NOW_KEY | NULL | Defines a key that is used for encrypted communication between nodes. If it is NULL, encryption is disabled. The key has to be of type ```uint8_t[16]``` and has to be exactly 16 bytes long.
 
 </center>
 
diff --git a/cpu/esp32/esp-wifi/Kconfig b/cpu/esp32/esp-wifi/Kconfig
new file mode 100644
index 000000000000..276a3ffc1a88
--- /dev/null
+++ b/cpu/esp32/esp-wifi/Kconfig
@@ -0,0 +1,29 @@
+# Copyright (c) 2020 Gunar Schorcht
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+menuconfig KCONFIG_MODULE_ESP_WIFI
+    bool "Configure ESP-WiFi netdev"
+    depends on MODULE_ESP_WIFI
+    help
+        Configure ESP-Wifi netdev when module esp_wifi is used.
+
+if KCONFIG_MODULE_ESP_WIFI
+
+config ESP_WIFI_SSID
+    string "SSID"
+    default "RIOT_AP"
+    help
+        This string defines the SSID of the AP to be used.
+
+config ESP_WIFI_PASS
+    string "Passphrase for WPA2"
+    default "ThisistheRIOTporttoESP"
+    help
+        This string defines the passphrase as plain text, which is used for
+        the AP during WPA2 authentication. It can be up to 64 characters long.
+
+endif # KCONFIG_MODULE_ESP_WIFI
diff --git a/cpu/esp32/esp-wifi/doc.txt b/cpu/esp32/esp-wifi/doc.txt
index d3e064e41763..49727cb42d5f 100644
--- a/cpu/esp32/esp-wifi/doc.txt
+++ b/cpu/esp32/esp-wifi/doc.txt
@@ -29,11 +29,11 @@ USEMODULE += esp_wifi
 
 Furthermore, the following configuration parameters have to be defined:
 
-Configuration Parameter | Description
-------------------------|------------
-ESP_WIFI_SSID           | SSID of the AP to be used.
-ESP_WIFI_PASS           | Passphrase used for the AP as clear text (max. 64 chars).
-ESP_WIFI_STACKSIZE      | Stack size used for the WiFi netdev driver thread.
+Configuration Parameter   | Description
+--------------------------|------------
+#CONFIG_ESP_WIFI_SSID     | SSID of the AP to be used.
+#CONFIG_ESP_WIFI_PASS     | Passphrase used for the AP as clear text (max. 64 chars).
+#CONFIG_ESP_WIFI_STACKSIZE| Stack size used for the WiFi netdev driver thread.
 
 These configuration parameter definitions, as well as enabling the `esp_wifi`
 module, can be done either in the makefile of the project or at make command
@@ -41,7 +41,7 @@ line, e.g.:
 
 ```
 USEMODULE=esp_wifi \
-CFLAGS='-DESP_WIFI_SSID=\"MySSID\" -DESP_WIFI_PASS=\"MyPassphrase\"' \
+CFLAGS='-DCONFIG_ESP_WIFI_SSID=\"MySSID\" -DCONFIG_ESP_WIFI_PASS=\"MyPassphrase\"' \
 make -C examples/gnrc_networking BOARD=...
 ```
 
diff --git a/cpu/esp32/esp-wifi/esp_wifi_netdev.c b/cpu/esp32/esp-wifi/esp_wifi_netdev.c
index c28e71581856..911f2d8805d4 100644
--- a/cpu/esp32/esp-wifi/esp_wifi_netdev.c
+++ b/cpu/esp32/esp-wifi/esp_wifi_netdev.c
@@ -99,7 +99,7 @@ static unsigned int rx_buf_write = 0;
 static unsigned int rx_buf_read = 0;
 
 /* device thread stack */
-static char _esp_wifi_stack[ESP_WIFI_STACKSIZE];
+static char _esp_wifi_stack[CONFIG_ESP_WIFI_STACKSIZE];
 
 extern esp_err_t esp_system_event_add_handler (system_event_cb_t handler,
                                                void *arg);
@@ -291,8 +291,8 @@ static esp_err_t IRAM_ATTR _esp_system_event_handler(void *ctx, system_event_t *
 /* we use predefined station configuration */
 static wifi_config_t wifi_config_sta = {
     .sta = {
-        .ssid = ESP_WIFI_SSID,
-        .password = ESP_WIFI_PASS,
+        .ssid = CONFIG_ESP_WIFI_SSID,
+        .password = CONFIG_ESP_WIFI_PASS,
         .bssid_set = 0,
         .channel = 0,
         .scan_method = WIFI_ALL_CHANNEL_SCAN,
@@ -578,14 +578,14 @@ void auto_init_esp_wifi (void)
 
     esp_wifi_setup(&_esp_wifi_dev);
     _esp_wifi_dev.netif = gnrc_netif_ethernet_create(_esp_wifi_stack,
-                                                    ESP_WIFI_STACKSIZE,
+                                                     CONFIG_ESP_WIFI_STACKSIZE,
 #ifdef MODULE_ESP_NOW
-                                                    ESP_WIFI_PRIO - 1,
+                                                     CONFIG_ESP_WIFI_PRIO - 1,
 #else
-                                                    ESP_WIFI_PRIO,
+                                                     CONFIG_ESP_WIFI_PRIO,
 #endif
-                                                    "esp-wifi",
-                                                    (netdev_t *)&_esp_wifi_dev);
+                                                     "esp-wifi",
+                                                     (netdev_t *)&_esp_wifi_dev);
 }
 
 #endif /* MODULE_ESP_WIFI */
diff --git a/cpu/esp32/esp-wifi/esp_wifi_params.h b/cpu/esp32/esp-wifi/esp_wifi_params.h
index e6c0c9adfb10..11582cb8f71e 100644
--- a/cpu/esp32/esp-wifi/esp_wifi_params.h
+++ b/cpu/esp32/esp-wifi/esp_wifi_params.h
@@ -22,37 +22,77 @@
 
 #if defined(MODULE_ESP_WIFI) || defined(DOXYGEN)
 
+/**
+ * @name    Legacy definitions of default configuration parameters
+ * @{
+ */
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_WIFI_STACKSIZE is deprecated, please use #CONFIG_ESP_WIFI_STACKSIZE
+ * instead.
+ */
+#ifndef ESP_WIFI_STACKSIZE
+#define ESP_WIFI_STACKSIZE   (THREAD_STACKSIZE_DEFAULT)
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_WIFI_PRIO is deprecated, please use #CONFIG_ESP_WIFI_PRIO instead.
+ */
+#ifndef ESP_WIFI_PRIO
+#define ESP_WIFI_PRIO        (GNRC_NETIF_PRIO)
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_WIFI_SSID is deprecated, please use #CONFIG_ESP_WIFI_SSID instead.
+ */
+#ifndef ESP_WIFI_SSID
+#define ESP_WIFI_SSID        "RIOT_AP"
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_WIFI_PASS is deprecated, please use #CONFIG_ESP_WIFI_PASS instead.
+ */
+#ifndef ESP_WIFI_PASS
+#define ESP_WIFI_PASS        "ThisistheRIOTporttoESP"
+#endif
+
 /**
  * @name    Set default configuration parameters for the ESP WiFi netdev driver
  * @{
  */
 
+/** @} */
+
 /**
  * @brief   The size of the stack used for the ESP WIFI netdev driver thread.
  */
-#ifndef ESP_WIFI_STACKSIZE
-#define ESP_WIFI_STACKSIZE  (THREAD_STACKSIZE_DEFAULT)
+#ifndef CONFIG_ESP_WIFI_STACKSIZE
+#define CONFIG_ESP_WIFI_STACKSIZE   ESP_WIFI_STACKSIZE
 #endif
 
 /**
  * @brief   The priority of the ESP WiFi netdev driver thread. Should not be changed.
  */
-#ifndef ESP_WIFI_PRIO
-#define ESP_WIFI_PRIO       (GNRC_NETIF_PRIO)
+#ifndef CONFIG_ESP_WIFI_PRIO
+#define CONFIG_ESP_WIFI_PRIO        ESP_WIFI_PRIO
 #endif
 
 /**
  * @brief   SSID of the AP to be used.
  */
-#ifndef ESP_WIFI_SSID
-#define ESP_WIFI_SSID       "RIOT_AP"
+#ifndef CONFIG_ESP_WIFI_SSID
+#define CONFIG_ESP_WIFI_SSID        ESP_WIFI_SSID
 #endif
 
 /**
  * @brief   Passphrase used for the AP as clear text (max. 64 chars).
  */
-#ifndef ESP_WIFI_PASS
-#define ESP_WIFI_PASS       "ThisistheRIOTporttoESP"
+#ifndef CONFIG_ESP_WIFI_PASS
+#define CONFIG_ESP_WIFI_PASS        ESP_WIFI_PASS
 #endif
 
 /**@}*/
diff --git a/cpu/esp32/include/sdk_conf.h b/cpu/esp32/include/sdk_conf.h
index 2e5fecbb3e19..fdb0572e20d9 100644
--- a/cpu/esp32/include/sdk_conf.h
+++ b/cpu/esp32/include/sdk_conf.h
@@ -31,10 +31,16 @@ extern "C" {
 #include "board.h"
 
 /**
- * @brief   Defines the CPU frequency [values = 2, 40, 80, 160 and 240]
+ * @brief   Defines the CPU frequency [values = 80, 160 and 240]
  */
 #ifndef CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ
-#define CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ   80
+#if defined(CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ_240)
+#define CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ               (240)
+#elif defined(CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ_160)
+#define CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ               (160)
+#else
+#define CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ               (80)
+#endif
 #endif
 
 /**
diff --git a/cpu/esp8266/Kconfig b/cpu/esp8266/Kconfig
new file mode 100644
index 000000000000..5237f79b41db
--- /dev/null
+++ b/cpu/esp8266/Kconfig
@@ -0,0 +1,31 @@
+# Copyright (c) 2020 Gunar Schorcht
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+menuconfig KCONFIG_CPU_ESP8266
+    bool "Configure ESP8266 CPU"
+    depends on MODULE_ESP_ESP8266
+    help
+        Configure ESP8266 CPU via Kconfig.
+
+if KCONFIG_CPU_ESP8266
+
+choice ESP8266_CPU_FREQUENCY
+   bool "CPU frequency"
+   default ESP8266_CPU_FREQUENCY_80MHZ
+   help
+       Defines the CPU frequency.
+
+config ESP8266_CPU_FREQUENCY_80MHZ
+   bool "80 MHz"
+config ESP8266_CPU_FREQUENCY_160MHZ
+   bool "160 MHz"
+endchoice
+
+rsource "esp-wifi/Kconfig"
+rsource "$(RIOTBASE)/cpu/esp_common/esp-now/Kconfig"
+
+endif # ESP8266 settings
diff --git a/cpu/esp8266/Makefile.include b/cpu/esp8266/Makefile.include
index ecf4b0d864f4..6bd9a58cb888 100644
--- a/cpu/esp8266/Makefile.include
+++ b/cpu/esp8266/Makefile.include
@@ -72,6 +72,7 @@ endif
 export TARGET_ARCH ?= xtensa-esp8266-elf
 
 # ESP8266 pseudomodules
+PSEUDOMODULES += esp_esp8266
 PSEUDOMODULES += esp_gdb
 PSEUDOMODULES += esp_log_colored
 PSEUDOMODULES += esp_log_tagged
@@ -82,6 +83,7 @@ PSEUDOMODULES += esp_spiffs
 PSEUDOMODULES += esp_wifi_any
 
 USEMODULE += esp_common
+USEMODULE += esp_esp8266
 USEMODULE += esp_freertos
 USEMODULE += esp_idf
 USEMODULE += esp_idf_esp8266
diff --git a/cpu/esp8266/doc.txt b/cpu/esp8266/doc.txt
index afd263ce529c..d33df2bee585 100644
--- a/cpu/esp8266/doc.txt
+++ b/cpu/esp8266/doc.txt
@@ -684,11 +684,11 @@ Furthermore, the following configuration parameters have to be defined:
 
 <center>
 
-Parameter           | Default                   | Description
-:-------------------|:--------------------------|:------------
-#ESP_WIFI_SSID      | "RIOT_AP"                 | SSID of the AP to be used.
-#ESP_WIFI_PASS      | "ThisistheRIOTporttoESP"  | Passphrase used for the AP as clear text (max. 64 chars).
-#ESP_WIFI_STACKSIZE | #THREAD_STACKSIZE_DEFAULT |Stack size used for the WiFi netdev driver thread.
+Parameter                  | Default                   | Description
+:--------------------------|:--------------------------|:------------
+#CONFIG_ESP_WIFI_SSID      | "RIOT_AP"                 | SSID of the AP to be used.
+#CONFIG_ESP_WIFI_PASS      | "ThisistheRIOTporttoESP"  | Passphrase used for the AP as clear text (max. 64 chars).
+#CONFIG_ESP_WIFI_STACKSIZE | #THREAD_STACKSIZE_DEFAULT |Stack size used for the WiFi netdev driver thread.
 
 </center>
 
@@ -698,7 +698,7 @@ line, e.g.:
 
 ```
 USEMODULE=esp_wifi \
-CFLAGS='-DESP_WIFI_SSID=\"MySSID\" -DESP_WIFI_PASS=\"MyPassphrase\"' \
+CFLAGS='-DCONFIG_ESP_WIFI_SSID=\"MySSID\" -DCONFIG_ESP_WIFI_PASS=\"MyPassphrase\"' \
 make -C examples/gnrc_networking BOARD=...
 ```
 
@@ -741,10 +741,10 @@ be overridden by [application-specific board configurations](#esp8266_applicatio
 
 Parameter | Default | Description
 :---------|:--------|:-----------
-#ESP_NOW_SCAN_PERIOD | 10000000UL | Defines the period in us at which an node scans for other nodes in its range. The default period is 10 s.
-#ESP_NOW_SOFT_AP_PASS | "ThisistheRIOTporttoESP" | Defines the passphrase as clear text (max. 64 chars) that is used for the SoftAP interface of ESP-NOW nodes. It has to be same for all nodes in one network.
-#ESP_NOW_CHANNEL | 6 | Defines the channel that is used as the broadcast medium by all nodes together.
-#ESP_NOW_KEY | NULL | Defines a key that is used for encrypted communication between nodes. If it is NULL, encryption is disabled. The key has to be of type `uint8_t[16]` and has to be exactly 16 bytes long.
+#CONFIG_ESP_NOW_SCAN_PERIOD | 10000000UL | Defines the period in us at which an node scans for other nodes in its range. The default period is 10 s.
+#CONFIG_ESP_NOW_SOFT_AP_PASS | "ThisistheRIOTporttoESP" | Defines the passphrase as clear text (max. 64 chars) that is used for the SoftAP interface of ESP-NOW nodes. It has to be same for all nodes in one network.
+#CONFIG_ESP_NOW_CHANNEL | 6 | Defines the channel that is used as the broadcast medium by all nodes together.
+#CONFIG_ESP_NOW_KEY | NULL | Defines a key that is used for encrypted communication between nodes. If it is NULL, encryption is disabled. The key has to be of type `uint8_t[16]` and has to be exactly 16 bytes long.
 
 </center>
 
diff --git a/cpu/esp8266/esp-wifi/Kconfig b/cpu/esp8266/esp-wifi/Kconfig
new file mode 100644
index 000000000000..276a3ffc1a88
--- /dev/null
+++ b/cpu/esp8266/esp-wifi/Kconfig
@@ -0,0 +1,29 @@
+# Copyright (c) 2020 Gunar Schorcht
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+menuconfig KCONFIG_MODULE_ESP_WIFI
+    bool "Configure ESP-WiFi netdev"
+    depends on MODULE_ESP_WIFI
+    help
+        Configure ESP-Wifi netdev when module esp_wifi is used.
+
+if KCONFIG_MODULE_ESP_WIFI
+
+config ESP_WIFI_SSID
+    string "SSID"
+    default "RIOT_AP"
+    help
+        This string defines the SSID of the AP to be used.
+
+config ESP_WIFI_PASS
+    string "Passphrase for WPA2"
+    default "ThisistheRIOTporttoESP"
+    help
+        This string defines the passphrase as plain text, which is used for
+        the AP during WPA2 authentication. It can be up to 64 characters long.
+
+endif # KCONFIG_MODULE_ESP_WIFI
diff --git a/cpu/esp8266/esp-wifi/doc.txt b/cpu/esp8266/esp-wifi/doc.txt
index 97031d3a76a6..7b8e4119de2f 100644
--- a/cpu/esp8266/esp-wifi/doc.txt
+++ b/cpu/esp8266/esp-wifi/doc.txt
@@ -17,11 +17,11 @@ This module realizes a `netdev` interface for the built-in WiFi interface
 of ESP8266. To enable the WiFi interface, module `esp_wifi` has to be used.
 Furthermore, the following configuration parameters have to be defined:
 
-Configuration Parameter | Description
-------------------------|------------
-ESP_WIFI_SSID           | SSID of the AP to be used.
-ESP_WIFI_PASS           | Passphrase used for the AP as clear text (max. 64 chars).
-ESP_WIFI_STACKSIZE      | Stack size used for the WiFi netdev driver thread.
+Configuration Parameter    | Description
+---------------------------|------------
+#CONFIG_ESP_WIFI_SSID      | SSID of the AP to be used.
+#CONFIG_ESP_WIFI_PASS      | Passphrase used for the AP as clear text (max. 64 chars).
+#CONFIG_ESP_WIFI_STACKSIZE | Stack size used for the WiFi netdev driver thread.
 
 These configuration parameter definitions, as well as enabling the `esp_wifi`
 module, can be done either in the makefile of the project or at make command
@@ -29,7 +29,7 @@ line, e.g.:
 
 ```
 USEMODULE=esp_wifi \
-CFLAGS='-DESP_WIFI_SSID=\"MySSID\" -DESP_WIFI_PASS=\"MyPassphrase\"' \
+CFLAGS='-DCONFIG_ESP_WIFI_SSID=\"MySSID\" -DCONFIG_ESP_WIFI_PASS=\"MyPassphrase\"' \
 make -C examples/gnrc_networking BOARD=...
 ```
 
diff --git a/cpu/esp8266/esp-wifi/esp_wifi_netdev.c b/cpu/esp8266/esp-wifi/esp_wifi_netdev.c
index 8b9c1092f9b8..16c9b1b8fb76 100644
--- a/cpu/esp8266/esp-wifi/esp_wifi_netdev.c
+++ b/cpu/esp8266/esp-wifi/esp_wifi_netdev.c
@@ -105,7 +105,7 @@ esp_wifi_netdev_t _esp_wifi_dev;
 static const netdev_driver_t _esp_wifi_driver;
 
 /* device thread stack */
-static char _esp_wifi_stack[ESP_WIFI_STACKSIZE];
+static char _esp_wifi_stack[CONFIG_ESP_WIFI_STACKSIZE];
 
 /** guard variable to avoid reentrance to _esp_wifi_send function */
 static bool _esp_wifi_send_is_in = false;
@@ -697,8 +697,8 @@ static const netdev_driver_t _esp_wifi_driver =
  */
 static wifi_config_t wifi_config_sta = {
     .sta = {
-        .ssid = ESP_WIFI_SSID,
-        .password = ESP_WIFI_PASS,
+        .ssid = CONFIG_ESP_WIFI_SSID,
+        .password = CONFIG_ESP_WIFI_PASS,
         .channel = 0,
         .scan_method = WIFI_ALL_CHANNEL_SCAN,
         .sort_method = WIFI_CONNECT_AP_BY_SIGNAL,
@@ -727,10 +727,10 @@ static wifi_config_t wifi_config_sta = {
  */
 static wifi_config_t wifi_config_ap = {
     .ap = {
-        .ssid = ESP_WIFI_SSID,
-        .ssid_len = ARRAY_SIZE(ESP_WIFI_SSID),
+        .ssid = CONFIG_ESP_WIFI_SSID,
+        .ssid_len = ARRAY_SIZE(CONFIG_ESP_WIFI_SSID),
         .ssid_hidden = 1,               /* don't make the AP visible */
-        .password = ESP_WIFI_PASS,
+        .password = CONFIG_ESP_WIFI_PASS,
         .authmode = WIFI_AUTH_WPA2_PSK,
         .max_connection = 0,            /* don't allow connections */
         .beacon_interval = 60000,       /* send beacon only every 60 s */
@@ -830,14 +830,14 @@ void auto_init_esp_wifi (void)
 
     esp_wifi_setup(&_esp_wifi_dev);
     _esp_wifi_dev.netif = gnrc_netif_ethernet_create(_esp_wifi_stack,
-                                                    ESP_WIFI_STACKSIZE,
+                                                     CONFIG_ESP_WIFI_STACKSIZE,
 #ifdef MODULE_ESP_NOW
-                                                    ESP_WIFI_PRIO - 1,
+                                                     CONFIG_ESP_WIFI_PRIO - 1,
 #else
-                                                    ESP_WIFI_PRIO,
+                                                     CONFIG_ESP_WIFI_PRIO,
 #endif
-                                                    "esp_wifi",
-                                                    (netdev_t *)&_esp_wifi_dev);
+                                                     "esp_wifi",
+                                                     (netdev_t *)&_esp_wifi_dev);
 }
 
 #endif /* MODULE_ESP_WIFI */
diff --git a/cpu/esp8266/esp-wifi/esp_wifi_params.h b/cpu/esp8266/esp-wifi/esp_wifi_params.h
index 9298c2d4a30d..56e1a7e9ff82 100644
--- a/cpu/esp8266/esp-wifi/esp_wifi_params.h
+++ b/cpu/esp8266/esp-wifi/esp_wifi_params.h
@@ -12,7 +12,7 @@
  * @{
  *
  * @file
- * @brief       Parameters for the ESP32 WiFi netdev interface
+ * @brief       Parameters for the ESP8266 WiFi netdev interface
  *
  * @author      Gunar Schorcht <gunar@schorcht.net>
  */
@@ -22,37 +22,77 @@
 
 #if defined(MODULE_ESP_WIFI) || defined(DOXYGEN)
 
+/**
+ * @name    Legacy definitions of default configuration parameters
+ * @{
+ */
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_WIFI_STACKSIZE is deprecated, please use #CONFIG_ESP_WIFI_STACKSIZE
+ * instead.
+ */
+#ifndef ESP_WIFI_STACKSIZE
+#define ESP_WIFI_STACKSIZE   (THREAD_STACKSIZE_DEFAULT)
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_WIFI_PRIO is deprecated, please use #CONFIG_ESP_WIFI_PRIO instead.
+ */
+#ifndef ESP_WIFI_PRIO
+#define ESP_WIFI_PRIO        (GNRC_NETIF_PRIO)
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_WIFI_SSID is deprecated, please use #CONFIG_ESP_WIFI_SSID instead.
+ */
+#ifndef ESP_WIFI_SSID
+#define ESP_WIFI_SSID        "RIOT_AP"
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_WIFI_PASS is deprecated, please use #CONFIG_ESP_WIFI_PASS instead.
+ */
+#ifndef ESP_WIFI_PASS
+#define ESP_WIFI_PASS        "ThisistheRIOTporttoESP"
+#endif
+
 /**
  * @name    Set default configuration parameters for the ESP WiFi netdev driver
  * @{
  */
 
+/** @} */
+
 /**
  * @brief   The size of the stack used for the ESP WIFI netdev driver thread.
  */
-#ifndef ESP_WIFI_STACKSIZE
-#define ESP_WIFI_STACKSIZE  (THREAD_STACKSIZE_DEFAULT)
+#ifndef CONFIG_ESP_WIFI_STACKSIZE
+#define CONFIG_ESP_WIFI_STACKSIZE   ESP_WIFI_STACKSIZE
 #endif
 
 /**
  * @brief   The priority of the ESP WiFi netdev driver thread. Should not be changed.
  */
-#ifndef ESP_WIFI_PRIO
-#define ESP_WIFI_PRIO       (GNRC_NETIF_PRIO)
+#ifndef CONFIG_ESP_WIFI_PRIO
+#define CONFIG_ESP_WIFI_PRIO        ESP_WIFI_PRIO
 #endif
 
 /**
  * @brief   SSID of the AP to be used.
  */
-#ifndef ESP_WIFI_SSID
-#define ESP_WIFI_SSID       "RIOT_AP"
+#ifndef CONFIG_ESP_WIFI_SSID
+#define CONFIG_ESP_WIFI_SSID        ESP_WIFI_SSID
 #endif
 
 /**
  * @brief   Passphrase used for the AP as clear text (max. 64 chars).
  */
-#ifndef ESP_WIFI_PASS
-#define ESP_WIFI_PASS       "ThisistheRIOTporttoESP"
+#ifndef CONFIG_ESP_WIFI_PASS
+#define CONFIG_ESP_WIFI_PASS        ESP_WIFI_PASS
 #endif
 
 /**@}*/
diff --git a/cpu/esp8266/include/cpu_conf.h b/cpu/esp8266/include/cpu_conf.h
index f6931df9b33c..a95121171a01 100644
--- a/cpu/esp8266/include/cpu_conf.h
+++ b/cpu/esp8266/include/cpu_conf.h
@@ -33,8 +33,12 @@ extern "C" {
  *
  * Possible values are 80 and 160 MHz.
  */
-#ifndef ESP8266_CPU_FREQUENCY
-#define ESP8266_CPU_FREQUENCY   (80)
+#ifndef CONFIG_ESP8266_CPU_FREQUENCY
+#if defined(CONFIG_ESP8266_CPU_FREQUENCY_160MHZ)
+#define CONFIG_ESP8266_CPU_FREQUENCY    (160)
+#else
+#define CONFIG_ESP8266_CPU_FREQUENCY    (80)
+#endif
 #endif
 
 /**
diff --git a/cpu/esp8266/startup.c b/cpu/esp8266/startup.c
index 31534dcd82dd..294bb31f3d04 100644
--- a/cpu/esp8266/startup.c
+++ b/cpu/esp8266/startup.c
@@ -62,8 +62,8 @@ void esp_riot_init(void)
 #endif
 
     /* set system frequency if not 80 MHz */
-    if (ESP8266_CPU_FREQUENCY != 80) {
-        system_update_cpu_freq(ESP8266_CPU_FREQUENCY);
+    if (CONFIG_ESP8266_CPU_FREQUENCY != 80) {
+        system_update_cpu_freq(CONFIG_ESP8266_CPU_FREQUENCY);
     }
 
     ets_printf("\n");
diff --git a/cpu/esp_common/esp-now/Kconfig b/cpu/esp_common/esp-now/Kconfig
new file mode 100644
index 000000000000..010b689ef882
--- /dev/null
+++ b/cpu/esp_common/esp-now/Kconfig
@@ -0,0 +1,41 @@
+# Copyright (c) 2020 Gunar Schorcht
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+menuconfig KCONFIG_MODULE_ESP_NOW
+    bool "Configure ESP-NOW netdev"
+    depends on MODULE_ESP_NOW
+    help
+        Configure ESP-NOW netdev when module esp_now is used.
+
+if KCONFIG_MODULE_ESP_NOW
+
+config ESP_NOW_CHANNEL
+    int "WiFi channel"
+    default 6
+    help
+        The WiFi channel that is used as by all ESP-NOW nodes.
+
+config ESP_NOW_SCAN_PERIOD
+    int "Scan period in microseconds"
+    default 10000000
+    help
+        Period in microseconds at which an ESP-NOW node scans for other
+        ESP-NOW nodes in its range.
+
+config ESP_NOW_SOFT_AP_PASS
+    string "SoftAP interface passphrase"
+    default "ThisistheRIOTporttoESP"
+    help
+        Passphrase used for the SoftAP interface of all ESP-NOW nodes.
+
+        ESP_NOW uses the WiFi interface in Station and SoftAP mode
+        simultaneously to build a peer-to-peer network. A passphrase is
+        required for the SoftAP mode. This passphrase is used by all ESP-NOW
+        nodes to establish the connection between them in the peer-to-peer
+        network.
+
+endif # KCONFIG_MODULE_ESP_NOW
diff --git a/cpu/esp_common/esp-now/doc.txt b/cpu/esp_common/esp-now/doc.txt
index 63ddf4501974..b9e87cf35892 100644
--- a/cpu/esp_common/esp-now/doc.txt
+++ b/cpu/esp_common/esp-now/doc.txt
@@ -32,10 +32,10 @@ The following parameters are defined for ESP-NOW nodes.
 
 Parameter | Default | Description
 :---------|:--------|:-----------
-ESP_NOW_SCAN_PERIOD | 10000000UL | Defines the period in us at which an node scans for other nodes in its range. The default period is 10 s.
-ESP_NOW_SOFT_AP_PASS | "ThisistheRIOTporttoESP" | Defines the passphrase as clear text (max. 64 chars) that is used for the SoftAP interface of ESP-NOW nodes. It has to be same for all nodes in one network.
-ESP_NOW_CHANNEL | 6 | Defines the channel that is used as the broadcast medium by all nodes together.
-ESP_NOW_KEY | NULL | Defines a key that is used for encrypted communication between nodes. If it is NULL, encryption is disabled. The key has to be of type ```uint8_t[16]``` and has to be exactly 16 bytes long.
+#CONFIG_ESP_NOW_SCAN_PERIOD | 10000000UL | Defines the period in us at which an node scans for other nodes in its range. The default period is 10 s.
+#CONFIG_ESP_NOW_SOFT_AP_PASS | "ThisistheRIOTporttoESP" | Defines the passphrase as clear text (max. 64 chars) that is used for the SoftAP interface of ESP-NOW nodes. It has to be same for all nodes in one network.
+#CONFIG_ESP_NOW_CHANNEL | 6 | Defines the channel that is used as the broadcast medium by all nodes together.
+#CONFIG_ESP_NOW_KEY | NULL | Defines a key that is used for encrypted communication between nodes. If it is NULL, encryption is disabled. The key has to be of type ```uint8_t[16]``` and has to be exactly 16 bytes long.
 
 </center>
 
diff --git a/cpu/esp_common/esp-now/esp_now_gnrc.c b/cpu/esp_common/esp-now/esp_now_gnrc.c
index 859a99dfbdc5..d50b3279e5df 100644
--- a/cpu/esp_common/esp-now/esp_now_gnrc.c
+++ b/cpu/esp_common/esp-now/esp_now_gnrc.c
@@ -202,7 +202,7 @@ gnrc_netif_t *gnrc_netif_esp_now_create(char *stack, int stacksize, char priorit
 }
 
 /* device thread stack */
-static char _esp_now_stack[ESP_NOW_STACKSIZE];
+static char _esp_now_stack[CONFIG_ESP_NOW_STACKSIZE];
 
 void auto_init_esp_now(void)
 {
@@ -213,7 +213,7 @@ void auto_init_esp_now(void)
         LOG_ERROR("[auto_init_netif] error initializing esp_now\n");
     } else {
         gnrc_netif_esp_now_create(_esp_now_stack, sizeof(_esp_now_stack),
-                                  ESP_NOW_PRIO,
+                                  CONFIG_ESP_NOW_PRIO,
                                   "esp-now",
                                   &esp_now_dev->netdev);
     }
diff --git a/cpu/esp_common/esp-now/esp_now_netdev.c b/cpu/esp_common/esp-now/esp_now_netdev.c
index 64c2c360fc5e..ab7452597f73 100644
--- a/cpu/esp_common/esp-now/esp_now_netdev.c
+++ b/cpu/esp_common/esp-now/esp_now_netdev.c
@@ -103,7 +103,7 @@ static uint32_t aps_size = 0;
 static const wifi_scan_config_t scan_cfg = {
         .ssid = NULL,
         .bssid = NULL,
-        .channel = ESP_NOW_CHANNEL,
+        .channel = CONFIG_ESP_NOW_CHANNEL,
         .show_hidden = true,
         .scan_type = WIFI_SCAN_TYPE_ACTIVE,
         .scan_time.active.min = 0,
diff --git a/cpu/esp_common/esp-now/esp_now_params.h b/cpu/esp_common/esp-now/esp_now_params.h
index 289b246733ec..1242b8a41546 100644
--- a/cpu/esp_common/esp-now/esp_now_params.h
+++ b/cpu/esp_common/esp-now/esp_now_params.h
@@ -21,6 +21,64 @@
 
 #if defined(MODULE_ESP_NOW) || defined(DOXYGEN)
 
+/**
+ * @name    Legacy definitions of default configuration parameters
+ * @{
+ */
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_NOW_STACKSIZE is deprecated, please use #CONFIG_ESP_NOW_STACKSIZE
+ * instead.
+ */
+#ifndef ESP_NOW_STACKSIZE
+#define ESP_NOW_STACKSIZE           (THREAD_STACKSIZE_DEFAULT)
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_NOW_PRIO is deprecated, please use #CONFIG_ESP_NOW_PRIO instead.
+ */
+#ifndef ESP_NOW_PRIO
+#define ESP_NOW_PRIO                (GNRC_NETIF_PRIO)
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_NOW_SCAN_PERIOD is deprecated, please use #CONFIG_ESP_NOW_SCAN_PERIOD
+ * instead.
+ */
+#ifndef ESP_NOW_SCAN_PERIOD
+#define ESP_NOW_SCAN_PERIOD         (10000000UL)
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_NOW_SOFT_AP_PASS is deprecated, please use #CONFIG_ESP_NOW_SOFT_AP_PASS
+ * instead.
+ */
+#ifndef ESP_NOW_SOFT_AP_PASS
+#define ESP_NOW_SOFT_AP_PASS        "ThisistheRIOTporttoESP"
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_NOW_CHANNEL is deprecated, please use #CONFIG_ESP_NOW_CHANNEL instead.
+ */
+#ifndef ESP_NOW_CHANNEL
+#define ESP_NOW_CHANNEL             (6)
+#endif
+
+/**
+ * @brief   Legacy definition for compatibility reasons.
+ * #ESP_NOW_KEY is deprecated, please use #CONFIG_ESP_NOW_KEY instead.
+ */
+#ifndef ESP_NOW_KEY
+#define ESP_NOW_KEY                 (NULL)
+#endif
+
+/** @} */
+
 /**
  * @name    Set default configuration parameters for the ESP-NOW netdev driver
  * @{
@@ -30,8 +88,8 @@
  * @brief   The size of the stack used for the ESP-NOW netdev driver thread.
  * @ingroup cpu_esp_common_conf
  */
-#ifndef ESP_NOW_STACKSIZE
-#define ESP_NOW_STACKSIZE       (THREAD_STACKSIZE_DEFAULT)
+#ifndef CONFIG_ESP_NOW_STACKSIZE
+#define CONFIG_ESP_NOW_STACKSIZE    ESP_NOW_STACKSIZE
 #endif
 
 /**
@@ -39,8 +97,8 @@
  *          changed.
  * @ingroup cpu_esp_common_conf
  */
-#ifndef ESP_NOW_PRIO
-#define ESP_NOW_PRIO            (GNRC_NETIF_PRIO)
+#ifndef CONFIG_ESP_NOW_PRIO
+#define CONFIG_ESP_NOW_PRIO         ESP_NOW_PRIO
 #endif
 
 /**
@@ -48,24 +106,24 @@
  *          ESP-NOW nodes in its range.
  * @ingroup cpu_esp_common_conf
  */
-#ifndef ESP_NOW_SCAN_PERIOD
-#define ESP_NOW_SCAN_PERIOD     (10000000UL)
+#ifndef CONFIG_ESP_NOW_SCAN_PERIOD
+#define CONFIG_ESP_NOW_SCAN_PERIOD  ESP_NOW_SCAN_PERIOD
 #endif
 
 /**
  * @brief   Passphrase used for the SoftAP interface of for all ESP-NOW nodes.
  * @ingroup cpu_esp_common_conf
  */
-#ifndef ESP_NOW_SOFT_AP_PASS
-#define ESP_NOW_SOFT_AP_PASS    "ThisistheRIOTporttoESP"
+#ifndef CONFIG_ESP_NOW_SOFT_AP_PASS
+#define CONFIG_ESP_NOW_SOFT_AP_PASS ESP_NOW_SOFT_AP_PASS
 #endif
 
 /**
  * @brief   Channel used as broadcast medium by all ESP-NOW nodes together
  * @ingroup cpu_esp_common_conf
  */
-#ifndef ESP_NOW_CHANNEL
-#define ESP_NOW_CHANNEL         (6)
+#ifndef CONFIG_ESP_NOW_CHANNEL
+#define CONFIG_ESP_NOW_CHANNEL      ESP_NOW_CHANNEL
 #endif
 
 /**
@@ -81,8 +139,8 @@
  * communicate with each other, while in unencrypted mode, up to 20 nodes can
  * communicate.
  */
-#ifndef ESP_NOW_KEY
-#define ESP_NOW_KEY             (NULL)
+#ifndef CONFIG_ESP_NOW_KEY
+#define CONFIG_ESP_NOW_KEY          ESP_NOW_KEY
 #endif
 
 /** @} */
@@ -91,10 +149,10 @@
  * @brief   Initializer for default configuration parameters.
  */
 #ifndef ESP_NOW_PARAMS
-#define ESP_NOW_PARAMS   { .key = ESP_NOW_KEY, \
-                           .scan_period = ESP_NOW_SCAN_PERIOD, \
-                           .softap_pass = ESP_NOW_SOFT_AP_PASS, \
-                           .channel = ESP_NOW_CHANNEL \
+#define ESP_NOW_PARAMS   { .key = CONFIG_ESP_NOW_KEY, \
+                           .scan_period = CONFIG_ESP_NOW_SCAN_PERIOD, \
+                           .softap_pass = CONFIG_ESP_NOW_SOFT_AP_PASS, \
+                           .channel = CONFIG_ESP_NOW_CHANNEL \
                          }
 #endif