Linux kernel and device drivers for NXP i.MX platforms
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From: Krzysztof Kozlowski <krzk@kernel.org>
To: "Ioana Ciocoi-Radulescu" <ruxandra.radulescu@nxp.com>,
	"Oded Gabbay" <ogabbay@kernel.org>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Frank Li" <Frank.Li@nxp.com>,
	"Christian König" <christian.koenig@amd.com>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org, devicetree@vger.kernel.org,
	imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org,
	Jiwei Fu <jiwei.fu@nxp.com>, Forrest Shi <xuelin.shi@nxp.com>,
	Alexandru Taran <alexandru.taran@nxp.com>
Subject: Re: [PATCH 3/9] dt-bindings: npu: Add bindings for NXP Neutron
Date: Fri, 27 Feb 2026 08:06:20 +0100	[thread overview]
Message-ID: <9970272b-b406-4a25-a7d9-8197934f8c3a@kernel.org> (raw)
In-Reply-To: <20260226-neutron-v1-3-46eccb3bb50a@nxp.com>

On 26/02/2026 14:40, Ioana Ciocoi-Radulescu wrote:

A nit, subject: drop second/last, redundant "bindings for". The
"dt-bindings" prefix is already stating that these are bindings.
See also:
https://elixir.bootlin.com/linux/v6.17-rc3/source/Documentation/devicetree/bindings/submitting-patches.rst#L18

> +
> +  memory-region:
> +    description:
> +      Phandle referencing a "shared-dma-pool" to be used for Neutron
> +      inference buffers, which need to be 1MB aligned.
> +
> +      The memory region must be defined with alignment of 1MB and size
> +      should be large enough to accommodate the targeted ML models. It
> +      should be marked as reusable.
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 2
> +    maxItems: 3

Why is this flexible?

> +
> +  clock-names:
> +    minItems: 2
> +    items:
> +      - const: npu

Name "npu" is pretty pointless.

> +      - const: npu_apb
> +      - const: npu_cgc

Drop npu perfix everywhere.


> +
> +  iommus:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - memory-region
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    bus {
> +      #address-cells = <2>;
> +      #size-cells = <2>;
> +
> +      neutron@4ab00000 {
> +              compatible = "nxp,imx95-neutron";

Messed indentation. Read writing bindings / writing schema.



Best regards,
Krzysztof

  parent reply	other threads:[~2026-02-27  7:06 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-26 13:40 [PATCH 0/9] accel: New driver for NXP's Neutron NPU Ioana Ciocoi-Radulescu
2026-02-26 13:40 ` [PATCH 1/9] drm/gem-dma: Add flag for bidirectional mapping of non-coherent GEM DMA buffers Ioana Ciocoi-Radulescu
2026-02-26 13:40 ` [PATCH 2/9] accel/neutron: Add documentation for NXP Neutron accelerator driver Ioana Ciocoi-Radulescu
2026-02-26 13:40 ` [PATCH 3/9] dt-bindings: npu: Add bindings for NXP Neutron Ioana Ciocoi-Radulescu
2026-02-26 18:20   ` Conor Dooley
2026-02-27  6:45     ` Daniel Baluta
2026-02-27  9:04       ` Conor Dooley
2026-03-02 14:42     ` Ioana Ciocoi Radulescu
2026-02-27  7:06   ` Krzysztof Kozlowski [this message]
2026-03-02 14:57     ` Ioana Ciocoi Radulescu
2026-02-26 13:40 ` [PATCH 4/9] accel/neutron: Add driver for NXP Neutron NPU Ioana Ciocoi-Radulescu
2026-02-26 13:40 ` [PATCH 5/9] accel/neutron: Add GEM buffer object support Ioana Ciocoi-Radulescu
2026-02-26 21:15   ` kernel test robot
2026-02-26 13:40 ` [PATCH 6/9] accel/neutron: Add mailbox support Ioana Ciocoi-Radulescu
2026-02-26 13:40 ` [PATCH 7/9] accel/neutron: Add job submission IOCTL Ioana Ciocoi-Radulescu
2026-02-26 14:59   ` Christian König
2026-03-02  9:31     ` Ioana Ciocoi Radulescu
2026-02-26 13:40 ` [PATCH 8/9] accel/neutron: Add logging support Ioana Ciocoi-Radulescu
2026-02-26 13:40 ` [PATCH 9/9] arm64: dts: imx95: Add Neutron node Ioana Ciocoi-Radulescu

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