drivers: remoteproc: initial RemoteProc driver

add OpenAMP RemoteProc driver as a counterpart
to the Linux RemoteProc framework and a RPMSG
endpoint as a log backend.

Signed-off-by: Simon Maurer <[email protected]>

Author: mausys

drivers/CMakeLists.txt

@@ -75,6 +75,7 @@ add_subdirectory_ifdef(CONFIG_PS2 ps2)
 add_subdirectory_ifdef(CONFIG_PTP_CLOCK ptp_clock)
 add_subdirectory_ifdef(CONFIG_PWM pwm)
 add_subdirectory_ifdef(CONFIG_REGULATOR regulator)
+add_subdirectory_ifdef(CONFIG_REMOTEPROC remoteproc)
 add_subdirectory_ifdef(CONFIG_RESET reset)
 add_subdirectory_ifdef(CONFIG_RETAINED_MEM retained_mem)
 add_subdirectory_ifdef(CONFIG_RTC rtc)

drivers/Kconfig

@@ -72,6 +72,7 @@ source "drivers/ps2/Kconfig"
 source "drivers/ptp_clock/Kconfig"
 source "drivers/pwm/Kconfig"
 source "drivers/regulator/Kconfig"
+source "drivers/remoteproc/Kconfig"
 source "drivers/reset/Kconfig"
 source "drivers/retained_mem/Kconfig"
 source "drivers/rtc/Kconfig"

drivers/remoteproc/CMakeLists.txt

@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: Apache-2.0
+
+if(CONFIG_REMOTEPROC)
+  zephyr_library()
+  zephyr_include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+  zephyr_library_sources(remoteproc.c)
+  zephyr_library_sources(vdev.c)
+endif()

drivers/remoteproc/Kconfig

@@ -0,0 +1,33 @@
+# Copyright (c) 2024 Maurer Systems GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+config REMOTEPROC
+	bool "Support for Remote Processor Target"
+	depends on OPENAMP
+
+if REMOTEPROC
+
+module = REMOTEPROC
+module-str = REMOTEPROC
+source "subsys/logging/Kconfig.template.log_config"
+
+config REMOTEPROC_INIT_PRIORITY
+	int "RemoteProc initialization priority"
+	default 70
+	help
+	  Set the priority for RemoteProc init
+
+config REMOTEPROC_THREAD_PRIORITY
+	int "Thread priority"
+	default 10
+	help
+	  Priority of the RemoteProc |
+	  vdev thread used to process vrings.
+
+config REMOTEPROC_THREAD_STACK_SIZE
+	int "Thread stack size"
+	default 1024
+	help
+	  Stack size of RemoteProc vdev thread.
+
+endif # REMOTEPROC