[PATCH v11 00/14] accel/rocket: RK3576 NPU (RKNN) enablement

[Jiaxing Hu <gahing@gahingwoo.com>]

1/14 is Igor Paunovic's "[PATCH v2] accel/rocket: request the core clocks
by name", unchanged and carried inside the series rather than named as a
prerequisite outside it. It keeps his authorship and its four tags.
Tomeu asked for it on v10:

  "Sashiko is not reviewing this series because it doesn't not understand
   yet prerequisite-patch-id. Can you please resubmit the series with
   Igor's (presumably) patches bundled in it?"

So it applies to a plain next-20260814, with no prerequisite-patch-id
left to follow. Tested on a Radxa ROCK 4D.

This adds the RK3576 NPU to accel/rocket, which today supports RK3588
only. The RK3576 carries two cores of the same RKNN block, wired up
differently. Two extra convolution buffer clocks, two power domains per
core, one reset rather than two, no NPU SRAM rail, and a PC_TASK_CON
that packs the task number into sixteen bits rather than twelve.

What changed since v10

No code, again. Igor's patch joins the series as 1/14 and everything that
was 1/13 through 13/13 in v10 is now 2/14 through 14/14, same diffs.

The git note that was on 5/13 is gone rather than renumbered: it recorded
a dependency outside the series, and there is not one now.

The tags:

  3/14  Tested-by: Igor Paunovic   # RK3588, three cores, induced
                                    # reset, differential base,
                                    # JOB_TIMEOUT_MS=2
  4/14  Tested-by: Igor Paunovic   # RK3588, three cores, induced
                                    # reset, JOB_TIMEOUT_MS=2
  7/14  Acked-by: Conor Dooley
  8/14  Acked-by: Conor Dooley
  9/14  Reviewed-by: Abel Vesa
  10/14  Reviewed-by: Abel Vesa

The bindings are unchanged since v9, where dt_binding_check was clean on
all three with dtschema 2026.6 and yamllint 1.38.0, and CHECK_DTBS was
clean on all 13 rk3576 and all 48 rk3588 dtbs.

Two things I raised in v9 and would still rather hear about than guess
at. 9/14 does three things: it adds the settle delay, renames a macro,
and gives RK3576_PD_NPU a regulator, which also makes every RK3576 board
force that domain off at probe. I asked whether it wants splitting;
Abel Vesa's Reviewed-by may be the answer, but nobody has said so, and I
would rather split it than have it merged on my silence. And 13/14 gives
each core both NPU domains, which is the description that has been
tested here rather than the topology; if it should be one domain per
core, 6/14's minItems has to change with it. That one has had no reply
at all.

Nothing else moved.

Igor Paunovic (1):
  accel/rocket: request the core clocks by name

Jiaxing Hu (13):
  accel/rocket: take the completion register writes under job_lock
  accel/rocket: wait for a running IRQ handler before resetting a core
  accel/rocket: let the core suspend after a reset
  accel/rocket: factor the completion tail out of the IRQ handler
  dt-bindings: npu: rockchip: add rockchip,rk3576-rknn-core
  dt-bindings: power: rockchip: allow resets in a power domain node
  dt-bindings: iommu: rockchip: describe the RK3576 NPU MMU
  pmdomain/rockchip: add optional per-domain power-on settle delay
  pmdomain/rockchip: cycle optional power-domain resets on power-on
  accel/rocket: select the per-core clock and reset counts from match
    data
  accel/rocket: add RK3576 NPU (RKNN) support
  arm64: dts: rockchip: rk3576: add NPU (RKNN) nodes
  arm64: dts: rockchip: rk3576-rock-4d: enable NPU

 .../bindings/iommu/rockchip,iommu.yaml        |  28 +++++
 .../npu/rockchip,rk3588-rknn-core.yaml        |  47 ++++++-
 .../power/rockchip,power-controller.yaml      |   8 ++
 .../boot/dts/rockchip/rk3576-rock-4d.dts      |  13 ++
 arch/arm64/boot/dts/rockchip/rk3576.dtsi      |  82 +++++++++++-
 drivers/accel/rocket/rocket_core.c            |  32 ++++-
 drivers/accel/rocket/rocket_core.h            |  11 +-
 drivers/accel/rocket/rocket_device.c          |   7 +-
 drivers/accel/rocket/rocket_drv.c             |  28 ++++-
 drivers/accel/rocket/rocket_drv.h             |   2 +
 drivers/accel/rocket/rocket_job.c             | 119 ++++++++++++++----
 drivers/pmdomain/rockchip/pm-domains.c        |  75 +++++++----
 12 files changed, 389 insertions(+), 63 deletions(-)


base-commit: 4477a78374a57c3809b172ad30cceabda48c47c6
-- 
2.43.0