linux-kernel - [PATCH v5 00/10] New DRM accel driver for Rockchip's RKNN NPU

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Message-Id: <20250520-6-10-rocket-v5-0-18c9ca0fcb3c@tomeuvizoso.net>
Date: Tue, 20 May 2025 12:26:53 +0200
From: Tomeu Vizoso <tomeu@...euvizoso.net>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, 
 Oded Gabbay <ogabbay@...nel.org>, Jonathan Corbet <corbet@....net>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Sumit Semwal <sumit.semwal@...aro.org>, 
 Christian König <christian.koenig@....com>, 
 Sebastian Reichel <sebastian.reichel@...labora.com>, 
 Nicolas Frattaroli <nicolas.frattaroli@...labora.com>, 
 Jeff Hugo <jeff.hugo@....qualcomm.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org, 
 linux-media@...r.kernel.org, linaro-mm-sig@...ts.linaro.org, 
 Tomeu Vizoso <tomeu@...euvizoso.net>
Subject: [PATCH v5 00/10] New DRM accel driver for Rockchip's RKNN NPU

This series adds a new driver for the NPU that Rockchip includes in its
newer SoCs, developed by them on the NVDLA base.

In its current form, it supports the specific NPU in the RK3588 SoC.

The userspace driver is part of Mesa and an initial draft can be found at:

https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29698

Signed-off-by: Tomeu Vizoso <tomeu@...euvizoso.net>
---
Changes in v5:
- Use bulk clk API
- Rename bindings file
- Syntax improvement to bindings
- Link to v4: https://lore.kernel.org/r/20250519-6-10-rocket-v4-0-d6dff6b4c0ae@tomeuvizoso.net

Changes in v4:
- Several fixes to DT bindings.
- Link to v3: https://lore.kernel.org/r/20250516-6-10-rocket-v3-0-7051ac9225db@tomeuvizoso.net

Changes in v3:
- Reference in the device tree only the register blocks that are
  actually used.
- Several style and robustness fixes suggested in the mailing list.
- Added patches from Nicolas Frattaroli that add support to the NPU for
  the Rock 5B board.
- Link to v2: https://lore.kernel.org/r/20250225-6-10-rocket-v2-0-d4dbcfafc141@tomeuvizoso.net

Changes in v2:
- Drop patch adding the rk3588 compatible to rockchip-iommu (Sebastian Reichel)
- Drop patch adding support for multiple power domains to rockchip-iommu (Sebastian Reichel)
- Link to v1: https://lore.kernel.org/r/20240612-6-10-rocket-v1-0-060e48eea250@tomeuvizoso.net

---
Nicolas Frattaroli (2):
      arm64: dts: rockchip: add pd_npu label for RK3588 power domains
      arm64: dts: rockchip: enable NPU on ROCK 5B

Tomeu Vizoso (8):
      dt-bindings: npu: rockchip,rknn: Add bindings
      arm64: dts: rockchip: Add nodes for NPU and its MMU to rk3588s
      arm64: dts: rockchip: Enable the NPU on quartzpro64
      accel/rocket: Add registers header
      accel/rocket: Add a new driver for Rockchip's NPU
      accel/rocket: Add IOCTL for BO creation
      accel/rocket: Add job submission IOCTL
      accel/rocket: Add IOCTLs for synchronizing memory accesses

 Documentation/accel/index.rst                      |    1 +
 Documentation/accel/rocket/index.rst               |   25 +
 .../bindings/npu/rockchip,rk3588-rknn-core.yaml    |  147 +
 MAINTAINERS                                        |   10 +
 arch/arm64/boot/dts/rockchip/rk3588-base.dtsi      |   87 +-
 .../arm64/boot/dts/rockchip/rk3588-quartzpro64.dts |   30 +
 arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts    |   56 +
 drivers/accel/Kconfig                              |    1 +
 drivers/accel/Makefile                             |    1 +
 drivers/accel/rocket/Kconfig                       |   25 +
 drivers/accel/rocket/Makefile                      |   10 +
 drivers/accel/rocket/rocket_core.c                 |   80 +
 drivers/accel/rocket/rocket_core.h                 |   59 +
 drivers/accel/rocket/rocket_device.c               |   36 +
 drivers/accel/rocket/rocket_device.h               |   31 +
 drivers/accel/rocket/rocket_drv.c                  |  316 ++
 drivers/accel/rocket/rocket_drv.h                  |   17 +
 drivers/accel/rocket/rocket_gem.c                  |  211 +
 drivers/accel/rocket/rocket_gem.h                  |   31 +
 drivers/accel/rocket/rocket_job.c                  |  723 ++++
 drivers/accel/rocket/rocket_job.h                  |   50 +
 drivers/accel/rocket/rocket_registers.h            | 4425 ++++++++++++++++++++
 include/uapi/drm/rocket_accel.h                    |  145 +
 23 files changed, 6516 insertions(+), 1 deletion(-)
---
base-commit: a6d708809579ed3d902465785666085ff07a1d7c
change-id: 20240612-6-10-rocket-9316defc14c7

Best regards,
-- 
Tomeu Vizoso <tomeu@...euvizoso.net>