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libcamera: Enabled camera overlays define based

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Added imx219.dtbo file in the overlays, and added dtoverlay in
/boot/config.txt define based.

To enable Sony Raspberry pi camera imx219 sensor, need to set
the variable RASPBERRYPI_CAMERA_V2 as 1.

In future, we can add any camera overlays here to support and
use them with libcamera.

Signed-off-by: Madhavan Krishnan <madhavan.krishnan@linaro.org>
This commit is contained in:
Madhavan Krishnan
2020-10-16 09:31:28 +02:00
committed by Andrei Gherzan
parent 15739db1ed
commit b70c7b9021
4 changed files with 23 additions and 1 deletions
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14
docs/extra-build-config.md
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@@ -326,3 +326,17 @@ option:
# Raspberry Pi 7\" display/touch screen \n \
lcd_rotate=2 \n \
'
## Enable Raspberrypi Camera V2
RaspberryPi does not have the unicam device ( RaspberryPi Camera ) enabled by default.
Because this unicam device ( bcm2835-unicam ) as of now is used by libcamera opensource.
So we have to explicitly set in local.conf.
RASPBERRYPI_CAMERA_V2 = "1"
This will add the device tree overlays imx219 ( RaspberryPi Camera sensor V2 driver ) to config.txt.
Also, this will enable adding Contiguous Memory Allocation value in the cmdline.txt.
Ref.:
* <https://github.com/raspberrypi/documentation/blob/master/linux/software/libcamera/README.md>
* <https://www.raspberrypi.org/blog/an-open-source-camera-stack-for-raspberry-pi-using-libcamera/>