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[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 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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