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([2a01:e0a:90c:e290:7c1f:1c9f:555e:7398]) by smtp.gmail.com with ESMTPSA id b26sm16223506wmj.25.2021.06.07.00.03.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Jun 2021 00:03:50 -0700 (PDT) Subject: Re: [PATCH] arm64: dts: meson: vim3l: add NNA node To: Martin Blumenstingl , xieqinick@gmail.com Cc: robh+dt@kernel.org, khilman@baylibre.com, jbrunet@baylibre.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, nick@khadas.com, artem@khadas.com References: <20210605030915.411391-1-xieqinick@gmail.com> From: Neil Armstrong Organization: Baylibre Message-ID: Date: Mon, 7 Jun 2021 09:03:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210607_000455_206300_D657D9E2 X-CRM114-Status: GOOD ( 17.03 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi, On 05/06/2021 11:49, Martin Blumenstingl wrote: > Hi Nick, > > On Sat, Jun 5, 2021 at 5:09 AM wrote: >> >> From: Nick Xie >> >> Add Neural Network Accelerator device tree node >> for Khadas VIM3L. > we neither have a driver for this upstream nor any binding > documentation in Documentation/devicetree/bindings/ > are you planning to add this? > > Especially the missing binding documentation is problematic as it > causes some warnings when validating the .dts files against the > bindings from Documentation/devicetree/bindings/ Actually the NNA core is a verisilicon VIVANTE core, but I have no idea what is the difference with the VIVANTE GPU cores ? the userspace libraries & SDK shipped by Amlogic exposes OpenCL and (AFAIK) NNA over OpenCL, so I think the HW description should be similar to the current Etnaviv bindings. Neil > > > Best regards, > Martin > _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic