diff --git a/boards/common/nrf52xxxdk/include/periph_conf.h b/boards/common/nrf52xxxdk/include/periph_conf_common.h
similarity index 85%
rename from boards/common/nrf52xxxdk/include/periph_conf.h
rename to boards/common/nrf52xxxdk/include/periph_conf_common.h
index ae06e9849a..dc2ef864d5 100644
--- a/boards/common/nrf52xxxdk/include/periph_conf.h
+++ b/boards/common/nrf52xxxdk/include/periph_conf_common.h
@@ -18,8 +18,8 @@
  *
  */
 
-#ifndef PERIPH_CONF_H
-#define PERIPH_CONF_H
+#ifndef PERIPH_CONF_COMMON_H
+#define PERIPH_CONF_COMMON_H
 
 #include "periph_cpu.h"
 #include "cfg_clock_32_1.h"
@@ -30,15 +30,6 @@
 extern "C" {
 #endif
 
-/**
- * @name    UART configuration
- * @{
- */
-#define UART_NUMOF          (1U)
-#define UART_PIN_RX         GPIO_PIN(0,8)
-#define UART_PIN_TX         GPIO_PIN(0,6)
-/** @} */
-
 /**
  * @name    SPI configuration
  * @{
@@ -84,5 +75,5 @@ static const pwm_conf_t pwm_config[] = {
 }
 #endif
 
-#endif /* PERIPH_CONF_H */
+#endif /* PERIPH_CONF_COMMON_H */
 /** @} */
diff --git a/boards/nrf52840dk/include/periph_conf.h b/boards/nrf52840dk/include/periph_conf.h
new file mode 100644
index 0000000000..166b8c5e01
--- /dev/null
+++ b/boards/nrf52840dk/include/periph_conf.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2018 Inria
+ *
+ * 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.
+ */
+
+/**
+ * @ingroup     boards_nrf52840dk
+ * @{
+ *
+ * @file
+ * @brief       Peripheral configuration for the nRF52840 DK
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ *
+ */
+
+#ifndef PERIPH_CONF_H
+#define PERIPH_CONF_H
+
+#include "periph_conf_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @name    UART configuration
+ * @{
+ */
+static const uart_conf_t uart_config[] = {
+    {
+        .dev        = NRF_UART0,
+        .rx_pin     = GPIO_PIN(0,8),
+        .tx_pin     = GPIO_PIN(0,6),
+        .irqn       = UARTE0_UART0_IRQn,
+    },
+};
+
+#define UART_0_ISR          (isr_uart0)
+
+#define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PERIPH_CONF_H */
+/** @} */
diff --git a/boards/nrf52dk/include/periph_conf.h b/boards/nrf52dk/include/periph_conf.h
new file mode 100644
index 0000000000..23fd01a278
--- /dev/null
+++ b/boards/nrf52dk/include/periph_conf.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2016-2018 Freie Universität Berlin
+ *               2018 Inria
+ *
+ * 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.
+ */
+
+/**
+ * @ingroup     boards_nrf52dk
+ * @{
+ *
+ * @file
+ * @brief       Peripheral configuration for the nRF52 DK
+ *
+ * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ *
+ */
+
+#ifndef PERIPH_CONF_H
+#define PERIPH_CONF_H
+
+#include "periph_conf_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @name    UART configuration
+ * @{
+ */
+#define UART_NUMOF          (1U)
+#define UART_PIN_RX         GPIO_PIN(0,8)
+#define UART_PIN_TX         GPIO_PIN(0,6)
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PERIPH_CONF_H */
+/** @} */