From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4DEF433262E; Fri, 27 Feb 2026 07:06:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772175988; cv=none; b=JA0BLFGelSHF0lutof6Ryb7cTcXY+3AfVdcTVEgPscxTiaXpmvyUw0dGgtQ9itdpsXZUxTtT2Dum5TpPmbrO936fvw0msoMYphaw8vmWI1dp7hbgLYYXOlsldmSNWVNhSQREyVvpp3v6//QZOqFCR0iYBiYiwEKf2ejr5eNABdg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772175988; c=relaxed/simple; bh=X8vtJkSyc7mKsCpLbrfh/YJAHY+sBdNmmDe83pbDGfk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=S/0c/M6rNykvgSjPec5LnuRmt5Omtw9X9rYzd1JqtgeWu8ZQq/isvByJFcDSfouAs1l0HsXENp9A5GsJrq0J0zLScunjoYcCU4QjXb5axgRK9EeeZ142jOrPiQH3cE0W7Vxh4W/zSCvUm6JZLM84bGBnoutQ3u0T4ZSBvjoBnTs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V5qRZFOn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="V5qRZFOn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85001C116C6; Fri, 27 Feb 2026 07:06:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772175987; bh=X8vtJkSyc7mKsCpLbrfh/YJAHY+sBdNmmDe83pbDGfk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=V5qRZFOnCBFNgJH2F3MySablqUS0kgHUbs8dfLZO0EVJq+VpFHNezh4h+N0BDtQRJ oYON+hh8ftyipK1Gu07+US3wr9hUoUCBkXyXQ1Gp0NCcY2iKH9nbFryFFLwRRZApco p2JSo9FOOVZNz5wJ+2DBBmi+CL5hpBux7jC6vK1uUS+OLvnVoE/e5+9maKJRz9K0/D fqdP7keTn/B1NlmDR8q8Ot2U68ExvWzF/7ItfvOQ2uR9GOCyEa2QU+FniKIKNUIrAc 0wp0tNkcRkGtDWY0cx4ilcFhEO4m4iceuA5BmanZ643ocNCIdoDVeNdnKyXJJpq6BD SAZDJWQxBHkSw== Message-ID: <9970272b-b406-4a25-a7d9-8197934f8c3a@kernel.org> Date: Fri, 27 Feb 2026 08:06:20 +0100 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/9] dt-bindings: npu: Add bindings for NXP Neutron To: Ioana Ciocoi-Radulescu , Oded Gabbay , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , =?UTF-8?Q?Christian_K=C3=B6nig?= 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 , Forrest Shi , Alexandru Taran References: <20260226-neutron-v1-0-46eccb3bb50a@nxp.com> <20260226-neutron-v1-3-46eccb3bb50a@nxp.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit 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 > + #include > + > + bus { > + #address-cells = <2>; > + #size-cells = <2>; > + > + neutron@4ab00000 { > + compatible = "nxp,imx95-neutron"; Messed indentation. Read writing bindings / writing schema. Best regards, Krzysztof