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drivers: video: add emulated Imager driver and RX driver

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Add a new implementation of a test pattern generator, with the same
architecture as real drivers: split receiver core and
I2C-controlled sub-device, with changes of video format in
"zephyr,emul-imager" leads to different data produced by
"zephyr,emul-rx".

Signed-off-by: Josuah Demangeon <me@josuah.net>
This commit is contained in:
Josuah Demangeon 2024-10-21 13:57:48 +00:00 • committed by Anas Nashif
commit 9e908b1b72
12 changed files with 1173 additions and 4 deletions
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53
tests/drivers/video/api/app.overlay Normal file
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/*
* Copyright (c) 2024 tinyVision.ai Inc.
* SPDX-License-Identifier: Apache-2.0
*/
/ {
test {
#address-cells = <1>;
#size-cells = <1>;
test_i2c: i2c@10002000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "vnd,i2c";
reg = <0x10002000 0x1000>;
clock-frequency = <100000>;
status = "okay";
test_video_emul_imager: video_emul_imager@6 {
compatible = "zephyr,video-emul-imager";
status = "okay";
reg = <0x6>;
port {
test_video_emul_imager_ep_out: endpoint {
remote-endpoint-label = "test_video_emul_rx_ep_in";
};
};
};
};
test_video_emul_rx: video_emul_rx@10003000 {
compatible = "zephyr,video-emul-rx";
reg = <0x10003000 0x1000>;
status = "okay";
port {
#address-cells = <1>;
#size-cells = <0>;
test_video_emul_rx_ep_in: endpoint@0 {
reg = <0x0>;
remote-endpoint-label = "test_video_emul_imager_ep_out";
};
test_video_emul_rx_ep_out: endpoint@1 {
reg = <0x1>;
remote-endpoint-label = "application";
};
};
};
};
};