21 Jul
2025
21 Jul
'25
3 p.m.
On Mon, 21 Jul 2025 11:17:33 +0200, Tomeu Vizoso wrote:
Add the bindings for the Neural Processing Unit IP from Rockchip.
v2:
- Adapt to new node structure (one node per core, each with its own IOMMU)
- Several misc. fixes from Sebastian Reichel
v3:
- Split register block in its constituent subblocks, and only require the ones that the kernel would ever use (Nicolas Frattaroli)
- Group supplies (Rob Herring)
- Explain the way in which the top core is special (Rob Herring)
v4:
- Change required node name to npu@ (Rob Herring and Krzysztof Kozlowski)
- Remove unneeded items: (Krzysztof Kozlowski)
- Fix use of minItems/maxItems (Krzysztof Kozlowski)
- Add reg-names to list of required properties (Krzysztof Kozlowski)
- Fix example (Krzysztof Kozlowski)
v5:
- Rename file to rockchip,rk3588-rknn-core.yaml (Krzysztof Kozlowski)
- Streamline compatible property (Krzysztof Kozlowski)
v6:
- Remove mention to NVDLA, as the hardware is only incidentally related (Kever Yang)
- Mark pclk and npu clocks as required by all clocks (Rob Herring)
v7:
- Remove allOf section, not needed now that all nodes require 4 clocks (Heiko Stübner)
v8:
- Remove notion of top core (Robin Murphy)
Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com Reviewed-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Tested-by: Heiko Stuebner heiko@sntech.de Signed-off-by: Tomeu Vizoso tomeu@tomeuvizoso.net
.../bindings/npu/rockchip,rk3588-rknn-core.yaml | 112 +++++++++++++++++++++ 1 file changed, 112 insertions(+)
Reviewed-by: Rob Herring (Arm) robh@kernel.org