[PATCH v4 0/2] Enable JPEG encoding on rk3588

[Emmanuel Gil Peyrot]

Only the JPEG encoder is available for now, although there are patches
for the undocumented VP8 encoder floating around[0].

This has been tested on a rock-5b, resulting in four /dev/video*
encoders.  The userspace program I’ve been using to test them is
Onix[1], using the jpeg-encoder example, it will pick one of these four
at random (but displays the one it picked):
% ffmpeg -i <input image> -pix_fmt yuvj420p temp.yuv
% jpeg-encoder temp.yuv <width> <height> NV12 <quality> output.jpeg

[0] https://patchwork.kernel.org/project/linux-rockchip/list/?series=789885
[1] https://crates.io/crates/onix

Changes since v3:
- Keep all the previous tags, sorry I forgot to do that in the previous
  version.
- Remove an extra media: in the first patch.

Changes since v2:
- Only expose a single VEPU121, since the driver doesn’t yet support
  exposing them all as a single video node to userspace.

Changes since v1:
- Dropped patches 1 and 4.
- Use the proper compatible form, since this device should be fully
  compatible with the VEPU of rk356x.
- Describe where the VEPU121 name comes from, and list other encoders
  and decoders present in this SoC.
- Properly test the device tree changes, I previously couldn’t since I
  was using a too recent version of python-jsonschema…

Emmanuel Gil Peyrot (2):
  media: dt-binding: Document rk3588’s VEPU121
  arm64: dts: rockchip: Add one VEPU121 to rk3588

 .../bindings/media/rockchip,rk3568-vepu.yaml  |  8 +++--
 arch/arm64/boot/dts/rockchip/rk3588s.dtsi     | 29 +++++++++++++++++++
 2 files changed, 35 insertions(+), 2 deletions(-)

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2.44.0