Proposal NFC subsystem including nRF-NFCT drivers, nt3h2 driver and sample app.

drivers/CMakeLists.txt

@@ -62,6 +62,7 @@ add_subdirectory_ifdef(CONFIG_MM_DRV mm)
 add_subdirectory_ifdef(CONFIG_MODEM modem)
 add_subdirectory_ifdef(CONFIG_NET_DRIVERS net)
 add_subdirectory_ifdef(CONFIG_NET_L2_ETHERNET ethernet)
+add_subdirectory_ifdef(CONFIG_NFC nfc)
 add_subdirectory_ifdef(CONFIG_PECI peci)
 add_subdirectory_ifdef(CONFIG_PINCTRL pinctrl)
 add_subdirectory_ifdef(CONFIG_PM_CPU_OPS pm_cpu_ops)

drivers/Kconfig

@@ -58,6 +58,7 @@ source "drivers/misc/Kconfig"
 source "drivers/mm/Kconfig"
 source "drivers/modem/Kconfig"
 source "drivers/net/Kconfig"
+source "drivers/nfc/Kconfig"
 source "drivers/pcie/Kconfig"
 source "drivers/peci/Kconfig"
 source "drivers/pinctrl/Kconfig"

drivers/nfc/CMakeLists.txt

@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2023 Sendrato
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+if (CONFIG_NFC_NT3H2X11)
+    zephyr_sources(nt3h2x11.c)
+endif()
+
+if (CONFIG_NFC_NRFX)
+    zephyr_sources(nrfxnfc.c)
+endif()

drivers/nfc/Kconfig

@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2023 Sendrato
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+menuconfig NFC
+	bool "NFC drivers"
+
+if NFC
+
+rsource "Kconfig.nt3h2x11"
+rsource "Kconfig.nrfxnfc"
+
+endif # NFC

drivers/nfc/Kconfig.nrfxnfc

@@ -0,0 +1,38 @@
+#
+# Copyright (c) 2023 Sendrato
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+config NFC_NRFX
+	bool "nRFx-NFC driver"
+	default n
+	select NRFX_NFCT
+	help
+		Enable nRFx NFC driver.
+
+if NFC_NRFX
+
+config NFC_NRFX_DRV_NAME
+	string "Device Tree name of nRFx-NFC driver"
+	default "nRFxNFC"
+	help
+		Device Tree name of nRFx-NFC driver.
+
+config NFC_NRFX_INIT_PRIORITY
+	int "NFC_NRFX NFC driver init priority"
+	default 75
+
+config NFC_NRFX_MAX_PAYLOAD_SIZE
+	int "Max payload in bytes"
+	default 988
+
+# KConfig used by nrfxlib-sdk too
+config NFC_T2T_NRFXLIB
+	bool "NFC Type 2 Tag library"
+
+# KConfig used by nrfxlib-sdk too
+config NFC_T4T_NRFXLIB
+	bool "NFC Type 4 Tag library"
+
+endif # NFC_NRFX

drivers/nfc/Kconfig.nt3h2x11

@@ -0,0 +1,36 @@
+#
+# Copyright (c) 2023 Sendrato
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+config NFC_NT3H2X11
+	bool "NT3H2X11 NFC driver"
+	default n
+	depends on I2C
+	help
+	  Enable I2C-based driver for NT3H2X11 led driver.
+
+if NFC_NT3H2X11
+
+config NFC_NT3H2X11_2K
+	bool "Use 2k memory map instead of 1k"
+	default n
+	help
+	  Use 2k memory map instead of 1k
+
+config NFC_NT3H2X11_MAX_WRITE_DELAY
+	int "delay in ms"
+	default 10
+	help
+	  Max I2C write delay in ms for when writing EEPROM
+
+config NFC_NT3H2X11_INIT_PRIORITY
+	int "NT3H2X11 NFC driver init priority"
+	default 75
+
+module = NT3H2X11
+module-str = nt3h2x11
+source "${ZEPHYR_BASE}/subsys/logging/Kconfig.template.log_config"
+
+endif # NFC_NT3H2X11