usbc: add driver for nx20p3483 PPC chip

Add driver for NXP nx20p3483 power path controller that can be used
to control and protect sink and source path of USB-C connector.

Signed-off-by: Michał Barnaś <[email protected]>

Author: barnas-michal

drivers/usb_c/ppc/CMakeLists.txt

@@ -3,3 +3,4 @@
 zephyr_library()
 
 zephyr_library_sources_ifdef(CONFIG_USBC_PPC_SHELL shell.c)
+zephyr_library_sources_ifdef(CONFIG_USBC_PPC_NX20P3483 nxp_nx20p3483.c)

drivers/usb_c/ppc/Kconfig

@@ -21,6 +21,8 @@ config USBC_PPC_SHELL
 	help
 	  Add useful shell commands to manipulate and debug the PPCs
 
+source "drivers/usb_c/ppc/Kconfig.nxp"
+
 module = USBC_PPC
 module-str = usbc-ppc
 source "subsys/logging/Kconfig.template.log_config"

drivers/usb_c/ppc/Kconfig.nxp

@@ -0,0 +1,20 @@
+# NXP NX20P3483 Configuration menu
+
+# Copyright 2023 Google LLC
+# SPDX-License-Identifier: Apache-2.0
+
+config USBC_PPC_NX20P3483
+	bool "NXP NX20P3483 support"
+	default y
+	depends on DT_HAS_NXP_NX20P3483_ENABLED
+	help
+	  Enable USB-C PPC support for NXP nx20p3483 chip
+
+if USBC_PPC_NX20P3483
+
+config USBC_PPC_NX20P3483_DUMP_FULL_REG_NAMES
+	bool "Dump full register names"
+	help
+	  Dump human-readable names instead of offsets of registers
+
+endif