drivers: serial: Add Intel SEDI driver

Adds a new serial shim driver for Intel SoCs. Builds upon the SEDI bare
metal UART driver in the hal-intel module.

Signed-off-by: Nachiketa Kumar <[email protected]>
Signed-off-by: Dong Wang <[email protected]>

Author: kumarnac

drivers/serial/CMakeLists.txt

@@ -63,6 +63,7 @@ zephyr_library_sources_ifdef(CONFIG_UART_HOSTLINK uart_hostlink.c)
 zephyr_library_sources_ifdef(CONFIG_UART_EMUL uart_emul.c)
 zephyr_library_sources_ifdef(CONFIG_UART_NUMAKER uart_numaker.c)
 zephyr_library_sources_ifdef(CONFIG_UART_EFINIX_SAPPIHIRE uart_efinix_sapphire.c)
+zephyr_library_sources_ifdef(CONFIG_UART_SEDI uart_sedi.c)
 
 zephyr_library_sources_ifdef(CONFIG_USERSPACE   uart_handlers.c)
 

drivers/serial/Kconfig

@@ -239,4 +239,6 @@ source "drivers/serial/Kconfig.numaker"
 
 source "drivers/serial/Kconfig.efinix_sapphire"
 
+source "drivers/serial/Kconfig.sedi"
+
 endif # SERIAL

drivers/serial/Kconfig.sedi

@@ -0,0 +1,15 @@
+# Copyright (c) 2023 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+config UART_SEDI
+	bool "Intel SEDI UART driver"
+	default y
+	depends on DT_HAS_INTEL_SEDI_UART_ENABLED
+	select SERIAL_HAS_DRIVER
+	select SERIAL_SUPPORT_INTERRUPT
+	help
+	  This option enables the Intel SEDI UART driver.
+	  This driver is simply a shim driver built upon the SEDI
+	  bare metal UART driver in the hal-intel module