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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8162C47082 for ; Mon, 7 Jun 2021 07:04:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9965961209 for ; Mon, 7 Jun 2021 07:04:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230175AbhFGHF7 (ORCPT ); Mon, 7 Jun 2021 03:05:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229923AbhFGHF5 (ORCPT ); Mon, 7 Jun 2021 03:05:57 -0400 Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDA50C061787 for ; Mon, 7 Jun 2021 00:03:52 -0700 (PDT) Received: by mail-wr1-x42b.google.com with SMTP id y7so11644298wrh.7 for ; Mon, 07 Jun 2021 00:03:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=N5+FdmS1ov7QWRtUf1NBqQlwi8g+qrI20OYrFvNTgFI=; b=KT5HTMznlO7nCDmmnVydpypxznSTPApslma2/j6CA6xuNHzsrxjfiQy3V2HXJ304up xD/6WBcpG3YqNjv2Lhu1uBtWv5WjCWdVVYEYEsrmrxkGr7JC4D6XvpB/81qIjn1NohUF eX1ISndmML1V/4ZCoC0RATX405XFT5eopPcmso/Q4YPB/RMyLpLjONWOuVUVgXE4e1VB WpOrkqVHvNC62+L4Fd8xNtGWHnOyBPOT5gxMM8Mdxhra27w3SBL0yYaasx0R9UTZzdm1 fqEcXoRItX1w7JHuzSbzs8ZlBlssLw5D4kIDQRm6bIRPWXMHjo1IWYrtfEHgUNqKT5vI sLHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=N5+FdmS1ov7QWRtUf1NBqQlwi8g+qrI20OYrFvNTgFI=; b=ZktuErmQ9DFch8MxIsekLFU213h93Gfxnjqpg6kTVo0FTAbvBeNuljnktwqeQffTFg Y89pdkb1lKtkov8wRqB8kn+IhOQGy02nvN4VnRELsTGQIPdMbSrdZhn+G7t6q7dvtLBz zL0SqSix7aeerSUj+4UjKhoIQ+tH8pdG9C/xOI4+xL8UZ3+uAEtVTFBLk2knjkBsi7fy xdyiIPVTJw8DYHpP6Msw9g5bFsOPewUtZhJhVYBtHQt7c1Ubyu11s2VbB1O93QbDqf0W AYCgdU94A3qIcNCxnuu9PVBCBWJb5tcjxpTIdQF9ueChNM7pYVM8qy0y+hSDWKv0Mwu4 FnCg== X-Gm-Message-State: AOAM531XzhbdKwqW9YIFGDcDesLZINc9llPG19ZU33kQDioqC6mu3Fuq 5uc5uI+DGJoC+ib0QcSgN0Ptgg== X-Google-Smtp-Source: ABdhPJzfDmgztfmf3PgpSCVnOGSZxZos4pCR5Pf9xgp5G5FiGHkBf+howGpsMWbnEBRsMjrZnFApCA== X-Received: by 2002:adf:e944:: with SMTP id m4mr15308238wrn.244.1623049431529; Mon, 07 Jun 2021 00:03:51 -0700 (PDT) Received: from ?IPv6:2a01:e0a:90c:e290:7c1f:1c9f:555e:7398? ([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-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 >