drivers/pn532 : Expose to Kconfig

Expose configurations to Kconfig

drivers/Kconfig.net

@@ -13,6 +13,7 @@ rsource "at86rf215/Kconfig"
 rsource "cc110x/Kconfig"
 rsource "dose/Kconfig"
 rsource "mrf24j40/Kconfig"
+rsource "pn532/Kconfig"
 source "$(RIOTCPU)/nrf52/radio/nrf802154/Kconfig"
 endmenu # Network Device Drivers
 

drivers/pn532/Kconfig

@@ -0,0 +1,23 @@
+# Copyright (c) 2020 Freie Universitaet Berlin
+#
+# 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_PN532
+    bool "Configure PN532 driver"
+    depends on MODULE_PN532
+    help
+        Configure the PN532 driver using Kconfig.
+
+if KCONFIG_MODULE_PN532
+
+config PN532_BUFFER_LEN
+    int "Internal buffer size"
+    default 64
+    help
+        The internal buffer is used while reading and writing to PN532 Device.
+        For large NDEF files, the buffer size may be increased.
+        Otherwise the files may be written in chunks.
+
+endif # KCONFIG_MODULE_PN532