From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75F38C433EF for ; Tue, 26 Jul 2022 06:57:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231660AbiGZG5P (ORCPT ); Tue, 26 Jul 2022 02:57:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229952AbiGZG5M (ORCPT ); Tue, 26 Jul 2022 02:57:12 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91105205F7 for ; Mon, 25 Jul 2022 23:57:11 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id m12so20226325lfj.4 for ; Mon, 25 Jul 2022 23:57:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=a/nsJTo76/ZSi4Jb8rP892B+zPLMmhE4PPpI4xGA5Qc=; b=DjlM/06RrYekNQUVoksqzwygMA6OhhU/TSxsYbYxoKU8FvmxkCFh0LevX3PqMZs+AM wVB6xkwOCZz9P8u3XI5lhRklLMcBwP+Wj+MANth4qKLi+KgHYQY5YCcbGKU8XE4awvC3 2jhO2aTfKAM0Z3n4OM597FioUwKRvz/qfgZNcKCb2vP6Jz/zn0g5yoXrzMOQICIOQ6kw J/U5g3d0nt99n9/LOOJh33/TVlPI1qyQWLb5gokws2Oe3laWxzRhIeGmnCpf7jBNjwNw 72iSQPmAkhT/fK7ZE7IRO/jFove0nXGhpuFd2kpTEk+P3qGPkyYRFx3teQgz60nAHNq2 fCBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=a/nsJTo76/ZSi4Jb8rP892B+zPLMmhE4PPpI4xGA5Qc=; b=eHyphsSIjsfwSqadOeHVlxARTUmGEppH0knpnEQJhGi5gNrrIEuZGlUuub0X+ZiEVR 3gxSdMlppmNQeTgnvBmkVE/9g4LnkWjORnT1z2YJtAuSmi2Mt6cneth3AHG6ct4hYlUR UM48NtqFZwhVb1qSkjfIRGHhbN5h/xjhBaDY8XUPtiI+7zzzTS2Gok06kNah/Q6XTnVf QZnyUhfhd7VMIhd0veanKaTL8y3xkThAq7+K2HnPIE1RyRAHlGIAKqfa4MG1Jy/U4FZv TtkUSAXA93Na1Mk8mA4fiJq0eONnq+p2d95sWHX1mC0FLvafhiSlEAnHODVay9hZKeiP Ju+A== X-Gm-Message-State: AJIora93S30L71ghNtRklWqKLVHPO/Alk9HUhBrOks/SsatGnUs/XD3w 3OTtNqGR8TFMUBBgcpmEy1aSSg== X-Google-Smtp-Source: AGRyM1twE05S+ZYJgkbZAbx/JA6EM7VJunNeFf+2CWhW5hV6yNHi8A991h80iQkX7kR6gYWPYbfYWQ== X-Received: by 2002:a05:6512:523:b0:48a:7257:b71c with SMTP id o3-20020a056512052300b0048a7257b71cmr5733057lfc.582.1658818629836; Mon, 25 Jul 2022 23:57:09 -0700 (PDT) Received: from [192.168.3.197] (78-26-46-173.network.trollfjord.no. [78.26.46.173]) by smtp.gmail.com with ESMTPSA id bd17-20020a05651c169100b0025bda317bdcsm3115725ljb.88.2022.07.25.23.57.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 Jul 2022 23:57:09 -0700 (PDT) Message-ID: <70255b63-294c-bda6-e7ad-7009f735b336@linaro.org> Date: Tue, 26 Jul 2022 08:57:08 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: [PATCH 0/9] Samsung Trinity NPU device driver Content-Language: en-US To: Jiho Chu , gregkh@linuxfoundation.org, arnd@arndb.de, linux-kernel@vger.kernel.org Cc: yelini.jeong@samsung.com, myungjoo.ham@samsung.com References: <20220725065308.2457024-1-jiho.chu@samsung.com> From: Krzysztof Kozlowski In-Reply-To: <20220725065308.2457024-1-jiho.chu@samsung.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25/07/2022 08:52, Jiho Chu wrote: > Hello, > > My name is Jiho Chu, and working for device driver and system daemon for > several years at Samsung Electronics. > > Trinity Neural Processing Unit (NPU) series are hardware accelerators > for neural network processing in embedded systems, which are integrated > into application processors or SoCs. Trinity NPU is compatible with AMBA > bus architecture and first launched in 2018 with its first version for > vision processing, Trinity Version1 (TRIV1). Its second version, TRIV2, > is released in Dec, 2021. Another Trinity NPU for audio processing is > referred as TRIA. > Why there are no bindings? How is it supposed to be used on ARM64 platforms? Best regards, Krzysztof