[Model] support LTX-2 text-to-video image-to-video (#841)

Signed-off-by: David Chen <530634352@qq.com>
Signed-off-by: WeiQing Chen <40507679+david6666666@users.noreply.github.com>

docs/models/supported_models.md

@@ -30,6 +30,8 @@ th {
 |`ZImagePipeline` | Z-Image | `Tongyi-MAI/Z-Image-Turbo` |
 | `WanPipeline` | Wan2.2-T2V, Wan2.2-TI2V | `Wan-AI/Wan2.2-T2V-A14B-Diffusers`, `Wan-AI/Wan2.2-TI2V-5B-Diffusers` |
 | `WanImageToVideoPipeline` | Wan2.2-I2V | `Wan-AI/Wan2.2-I2V-A14B-Diffusers` |
+| `LTX2Pipeline` | LTX-2-T2V | `Lightricks/LTX-2` |
+| `LTX2ImageToVideoPipeline` | LTX-2-I2V | `Lightricks/LTX-2` |
 | `HeliosPipeline`, `HeliosPyramidPipeline` | Helios | `BestWishYsh/Helios-Base`, `BestWishYsh/Helios-Mid`, `BestWishYsh/Helios-Distilled` |
 | `OvisImagePipeline` | Ovis-Image | `OvisAI/Ovis-Image` |
 |`LongcatImagePipeline` | LongCat-Image | `meituan-longcat/LongCat-Image` |

docs/user_guide/diffusion/parallelism_acceleration.md

@@ -54,6 +54,7 @@ The following table shows which models are currently supported by parallelism me
 | Model | Model Identifier | Ulysses-SP | Ring-Attention | Tensor-Parallel | HSDP | VAE-Patch-Parallel |
 |-------|------------------|:----------:|:--------------:|:---------------:|:----:| :----:|
 | **Wan2.2** | `Wan-AI/Wan2.2-T2V-A14B-Diffusers` | ✅ | ✅ | ✅ | ✅ | ✅ |
+| **LTX-2** | `Lightricks/LTX-2` | ✅ | ✅ | ✅ | ❌ | ❌ |
 
 ### Tensor Parallelism
 

docs/user_guide/diffusion_acceleration.md

@@ -74,6 +74,7 @@ The following table shows which models are currently supported by each accelerat
 | Model | Model Identifier | TeaCache | Cache-DiT | Ulysses-SP | Ring-Attention | CFG-Parallel | HSDP | VAE-Patch-Parallel |
 |-------|------------------|:--------:|:---------:|:----------:|:--------------:|:------------:|:----:|:----:|
 | **Wan2.2** | `Wan-AI/Wan2.2-T2V-A14B-Diffusers` | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
+| **LTX-2** | `Lightricks/LTX-2` | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ |
 
 ### Quantization