linux-kernel - Re: [PATCH v9 06/10] dt-bindings: npu: rockchip,rknn: Add bindings

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Message-ID: <175311001041.629023.12786244001330541185.robh@kernel.org>
Date: Mon, 21 Jul 2025 10:00:11 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Tomeu Vizoso <tomeu@...euvizoso.net>
Cc: Sumit Semwal <sumit.semwal@...aro.org>,
	Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Jonathan Corbet <corbet@....net>,
	linux-rockchip@...ts.infradead.org, linaro-mm-sig@...ts.linaro.org,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Robin Murphy <robin.murphy@....com>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	Simona Vetter <simona@...ll.ch>, David Airlie <airlied@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	linux-media@...r.kernel.org, Oded Gabbay <ogabbay@...nel.org>,
	Kever Yang <kever.yang@...k-chips.com>,
	Christian König <christian.koenig@....com>,
	devicetree@...r.kernel.org, Philipp Zabel <p.zabel@...gutronix.de>,
	linux-doc@...r.kernel.org, Heiko Stuebner <heiko@...ech.de>,
	Daniel Stone <daniel@...ishbar.org>, Da Xue <da@...re.computer>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	dri-devel@...ts.freedesktop.org,
	Jeff Hugo <jeff.hugo@....qualcomm.com>,
	Maxime Ripard <mripard@...nel.org>
Subject: Re: [PATCH v9 06/10] dt-bindings: npu: rockchip,rknn: Add bindings


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@...labora.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Tested-by: Heiko Stuebner <heiko@...ech.de>
> Signed-off-by: Tomeu Vizoso <tomeu@...euvizoso.net>
> ---
>  .../bindings/npu/rockchip,rk3588-rknn-core.yaml    | 112 +++++++++++++++++++++
>  1 file changed, 112 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>