drivers: video: introduction of the stm32 venc driver

The STM32 video encoder (VENC) peripheral is a hardware
accelerator allowing to compress RGB/YUV frames into
H264 video bitstream chunks.

Signed-off-by: Hugues Fruchet <[email protected]>

Author: hfruchet-st

doc/releases/release-notes-4.3.rst

@@ -266,14 +266,14 @@ New APIs and options
 
   * :c:func:`sys_count_bits`
 
-* Video
-
-  * :c:member:`video_format.size` field
-
 * Task Watchdog
 
   * :kconfig:option:`CONFIG_TASK_WDT_DUMMY`
 
+* Video
+
+  * :c:member:`video_format.size` field
+
 .. zephyr-keep-sorted-stop
 
 New Boards

drivers/video/CMakeLists.txt

@@ -15,6 +15,7 @@ zephyr_library_sources_ifdef(CONFIG_VIDEO_OV7725	ov7725.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_OV2640	ov2640.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_GC2145	gc2145.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_STM32_DCMI	video_stm32_dcmi.c)
+zephyr_library_sources_ifdef(CONFIG_VIDEO_STM32_VENC	video_stm32_venc.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_OV5640	ov5640.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_OV7670	ov7670.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_OV9655	ov9655.c)

drivers/video/Kconfig

@@ -76,6 +76,8 @@ source "drivers/video/Kconfig.ov2640"
 
 source "drivers/video/Kconfig.stm32_dcmi"
 
+source "drivers/video/Kconfig.stm32_venc"
+
 source "drivers/video/Kconfig.ov5640"
 
 source "drivers/video/Kconfig.ov7670"

drivers/video/Kconfig.stm32_venc

@@ -0,0 +1,24 @@
+# STM32 VENC driver configuration options
+
+# Copyright (c) 2025 STMicroelectronics.
+# SPDX-License-Identifier: Apache-2.0
+
+config VIDEO_STM32_VENC
+	bool "STM32 video encoder (VENC) driver"
+	default y
+	depends on DT_HAS_ST_STM32_VENC_ENABLED
+	select HAS_STM32LIB
+	select USE_STM32_LL_VENC
+	select USE_STM32_HAL_RIF if SOC_SERIES_STM32N6X
+	select RESET
+	help
+	  Enable driver for STM32 video encoder peripheral.
+
+if VIDEO_STM32_VENC
+
+# See hal_stm32/lib/vc8000nanoe/inc/encdebug.h
+module = VC8000NANOE
+module-str = vc8000nanoe
+source "subsys/logging/Kconfig.template.log_config"
+
+endif