drivers: video: add imx219 sensor (RPi Cam v2)

drivers/video/CMakeLists.txt

@@ -18,3 +18,4 @@ zephyr_library_sources_ifdef(CONFIG_VIDEO_ESP32		video_esp32_dvp.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_MCUX_SDMA	video_mcux_smartdma.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_EMUL_IMAGER	video_emul_imager.c)
 zephyr_library_sources_ifdef(CONFIG_VIDEO_EMUL_RX	video_emul_rx.c)
+zephyr_library_sources_ifdef(CONFIG_VIDEO_IMX219 imx219.c)

drivers/video/Kconfig

@@ -50,6 +50,14 @@ config VIDEO_BUFFER_SMH_ATTRIBUTE
 	  1: SMH_REG_ATTR_NON_CACHEABLE
 	  2: SMH_REG_ATTR_EXTERNAL
 
+config VIDEO_I2C_RETRY_NUM
+	int "Number of attempts for retrying I2C communication if it failed"
+	default 3
+	help
+	  The default is there to reduce the chance of failure (i.e. occasional EMI) without
+	  flooding the I2C bus upon error with too many retries. There is a 1ms wait time between
+	  every retry.
+
 source "drivers/video/Kconfig.esp32_dvp"
 
 source "drivers/video/Kconfig.mcux_csi"
@@ -78,4 +86,6 @@ source "drivers/video/Kconfig.emul_imager"
 
 source "drivers/video/Kconfig.emul_rx"
 
+source "drivers/video/Kconfig.imx219"
+
 endif # VIDEO

drivers/video/Kconfig.emul_imager

@@ -5,6 +5,7 @@ config VIDEO_EMUL_IMAGER
 	bool "Software implementation of an imager"
 	depends on DT_HAS_ZEPHYR_VIDEO_EMUL_IMAGER_ENABLED
 	default y
+	depends on EMUL
 	help
 	  Enable driver for the emulated Imager. A line buffer contains
 	  the color pattern within the imager data struct, at the first

drivers/video/Kconfig.imx219

@@ -0,0 +1,10 @@
+# Copyright (c) 2024-2025 tinyVision.ai Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config VIDEO_IMX219
+	bool "IMX219 8 MP CMOS image sensor"
+	select I2C
+	depends on DT_HAS_SONY_IMX219_ENABLED
+	default y
+	help
+	  Enable the driver for the Sony IMX219 8 Mega-Pixel CMOS image sensor