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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 E7349C2BA19 for ; Wed, 15 Apr 2020 12:54:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C3CD6206D5 for ; Wed, 15 Apr 2020 12:54:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="gHiMFG6J" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S370640AbgDOMys (ORCPT ); Wed, 15 Apr 2020 08:54:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S370626AbgDOMyZ (ORCPT ); Wed, 15 Apr 2020 08:54:25 -0400 Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10320C061A0C for ; Wed, 15 Apr 2020 05:54:25 -0700 (PDT) Received: by mail-wm1-x341.google.com with SMTP id d77so17301234wmd.3 for ; Wed, 15 Apr 2020 05:54:24 -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:autocrypt:organization:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=gMusnBiq0kgTDrpsrPDkgFe/p/9TlpUBGWfRPHTqHeY=; b=gHiMFG6JrTjZo9dkSdah4baL1TKY6zn8dgqqjhx9KlClWT65Kta6zhWHlcNm7Q9N2/ AjW2VSTjJtR26Jb9jbjMCcXyTFqlPmicw9xIKD/GX6XIOGOkchdhS4pl3rH+vg5s4gw5 AYq6Y8XKrfaSAK4bYNekAHsbIO65aLIiWZA76sSA7kf4A+1ABc9e4y63ObGstHMjiAP4 OHHwoq5r4qBtEe5ttjDUKYre1VfXxAFIBPoJ1t6tljCaRVyBt/sVxsbjuoPs+b03IGPR vCk7S/Df1FerRG27MEQ3YFhFF+fpnbiajjvheTSLGCKPjqraV9VLiu8TuCrXrUyO0OaZ fgKw== 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:autocrypt :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=gMusnBiq0kgTDrpsrPDkgFe/p/9TlpUBGWfRPHTqHeY=; b=l/IR5vf54YKqfZzhc2JZzko1/cAPbc7FC+jBv4Wnc+DnUZrdgQ1d2HaXdbuugBBYG8 c/76EIfhQObAvcSIg2/KMmw4kXTyIaQVLSPc73+8tlRKmYOyf5nnpCnV/yCEWovJvBeO XhPnlslgbfoyas/mPp6jQhQrThOBxI2egkdPI83/VZoeoqvm0D33pVmlvGMzdQ4ap2pI aOafuzAUKKJk6OzFzPN61Y0TMElbXgP+HwzpPHU3NIFdGEQb49koxkugi8xNfn7i90Is Itr/bgUTX0GbIhZFYbHegGQFAi6WTWANSOnOSf0m4IJrBkrvS47PS7XNrHWRqslkDI2U RKyw== X-Gm-Message-State: AGi0PuZwYeGP97daINCwEH7d0a4HDCmOkvZqGCMhg742KQK3FPvYCn00 cnkZzucPnEWnFfEJkgosJDv3Rg== X-Google-Smtp-Source: APiQypLMKBGPhfHLyqMorjw7AJr8PA6vGRu8xG+UF78Eg7uanluyeFylavuUVqpQLJKBeGIwXi+r6w== X-Received: by 2002:a1c:4956:: with SMTP id w83mr4958282wma.43.1586955263636; Wed, 15 Apr 2020 05:54:23 -0700 (PDT) Received: from ?IPv6:2a01:e35:2ec0:82b0:39cc:a07:8b48:cc56? ([2a01:e35:2ec0:82b0:39cc:a07:8b48:cc56]) by smtp.gmail.com with ESMTPSA id x18sm21955582wmi.29.2020.04.15.05.54.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Apr 2020 05:54:22 -0700 (PDT) Subject: Re: [PATCH v6 01/12] dt-bindings: add img, pvrsgx.yaml for Imagination GPUs To: "H. Nikolaus Schaller" , Maxime Ripard Cc: Mark Rutland , David Airlie , James Hogan , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, Paul Cercueil , linux-samsung-soc@vger.kernel.org, letux-kernel@openphoenux.org, Paul Burton , Krzysztof Kozlowski , Tony Lindgren , Chen-Yu Tsai , Kukjin Kim , devicetree@vger.kernel.org, =?UTF-8?Q?Beno=c3=aet_Cousson?= , Rob Herring , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Thomas Bogendoerfer , Philipp Rossak , openpvrsgx-devgroup@letux.org, linux-kernel@vger.kernel.org, Ralf Baechle , Daniel Vetter , kernel@pyra-handheld.com References: <06fb6569259bb9183d0a0d0fe70ec4f3033b8aab.1586939718.git.hns@goldelico.com> <20200415101251.o3wi5t6xvf56xmhq@gilmour.lan> <72919514-0657-4B71-902F-3E775E528F64@goldelico.com> From: Neil Armstrong Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT7CwHsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIXOwU0EVid/pAEQAND7AFhr 5faf/EhDP9FSgYd/zgmb7JOpFPje3uw7jz9wFb28Cf0Y3CcncdElYoBNbRlesKvjQRL8mozV 9RN+IUMHdUx1akR/A4BPXNdL7StfzKWOCxZHVS+rIQ/fE3Qz/jRmT6t2ZkpplLxVBpdu95qJ YwSZjuwFXdC+A7MHtQXYi3UfCgKiflj4+/ITcKC6EF32KrmIRqamQwiRsDcUUKlAUjkCLcHL CQvNsDdm2cxdHxC32AVm3Je8VCsH7/qEPMQ+cEZk47HOR3+Ihfn1LEG5LfwsyWE8/JxsU2a1 q44LQM2lcK/0AKAL20XDd7ERH/FCBKkNVzi+svYJpyvCZCnWT0TRb72mT+XxLWNwfHTeGALE +1As4jIS72IglvbtONxc2OIid3tR5rX3k2V0iud0P7Hnz/JTdfvSpVj55ZurOl2XAXUpGbq5 XRk5CESFuLQV8oqCxgWAEgFyEapI4GwJsvfl/2Er8kLoucYO1Id4mz6N33+omPhaoXfHyLSy dxD+CzNJqN2GdavGtobdvv/2V0wukqj86iKF8toLG2/Fia3DxMaGUxqI7GMOuiGZjXPt/et/ qeOySghdQ7Sdpu6fWc8CJXV2mOV6DrSzc6ZVB4SmvdoruBHWWOR6YnMz01ShFE49pPucyU1h Av4jC62El3pdCrDOnWNFMYbbon3vABEBAAHCwn4EGAECAAkFAlYnf6QCGwICKQkQFpq3saTP +K7BXSAEGQECAAYFAlYnf6QACgkQd9zb2sjISdGToxAAkOjSfGxp0ulgHboUAtmxaU3viucV e2Hl1BVDtKSKmbIVZmEUvx9D06IijFaEzqtKD34LXD6fjl4HIyDZvwfeaZCbJbO10j3k7FJE QrBtpdVqkJxme/nYlGOVzcOiKIepNkwvnHVnuVDVPcXyj2wqtsU7VZDDX41z3X4xTQwY3SO1 9nRO+f+i4RmtJcITgregMa2PcB0LvrjJlWroI+KAKCzoTHzSTpCXMJ1U/dEqyc87bFBdc+DI k8mWkPxsccdbs4t+hH0NoE3Kal9xtAl56RCtO/KgBLAQ5M8oToJVatxAjO1SnRYVN1EaAwrR xkHdd97qw6nbg9BMcAoa2NMc0/9MeiaQfbgW6b0reIz/haHhXZ6oYSCl15Knkr4t1o3I2Bqr Mw623gdiTzotgtId8VfLB2Vsatj35OqIn5lVbi2ua6I0gkI6S7xJhqeyrfhDNgzTHdQVHB9/ 7jnM0ERXNy1Ket6aDWZWCvM59dTyu37g3VvYzGis8XzrX1oLBU/tTXqo1IFqqIAmvh7lI0Se gCrXz7UanxCwUbQBFjzGn6pooEHJYRLuVGLdBuoApl/I4dLqCZij2AGa4CFzrn9W0cwm3HCO lR43gFyz0dSkMwNUd195FrvfAz7Bjmmi19DnORKnQmlvGe/9xEEfr5zjey1N9+mt3//geDP6 clwKBkq0JggA+RTEAELzkgPYKJ3NutoStUAKZGiLOFMpHY6KpItbbHjF2ZKIU1whaRYkHpB2 uLQXOzZ0d7x60PUdhqG3VmFnzXSztA4vsnDKk7x2xw0pMSTKhMafpxaPQJf494/jGnwBHyi3 h3QGG1RjfhQ/OMTX/HKtAUB2ct3Q8/jBfF0hS5GzT6dYtj0Ci7+8LUsB2VoayhNXMnaBfh+Q pAhaFfRZWTjUFIV4MpDdFDame7PB50s73gF/pfQbjw5Wxtes/0FnqydfId95s+eej+17ldGp lMv1ok7K0H/WJSdr7UwDAHEYU++p4RRTJP6DHWXcByVlpNQ4SSAiivmWiwOt490+Ac7ATQRN WQbPAQgAvIoM384ZRFocFXPCOBir5m2J+96R2tI2XxMgMfyDXGJwFilBNs+fpttJlt2995A8 0JwPj8SFdm6FBcxygmxBBCc7i/BVQuY8aC0Z/w9Vzt3Eo561r6pSHr5JGHe8hwBQUcNPd/9l 2ynP57YTSE9XaGJK8gIuTXWo7pzIkTXfN40Wh5jeCCspj4jNsWiYhljjIbrEj300g8RUT2U0 FcEoiV7AjJWWQ5pi8lZJX6nmB0lc69Jw03V6mblgeZ/1oTZmOepkagwy2zLDXxihf0GowUif GphBDeP8elWBNK+ajl5rmpAMNRoKxpN/xR4NzBg62AjyIvigdywa1RehSTfccQARAQABwsBf BBgBAgAJBQJNWQbPAhsMAAoJEBaat7Gkz/iuteIH+wZuRDqK0ysAh+czshtG6JJlLW6eXJJR Vi7dIPpgFic2LcbkSlvB8E25Pcfz/+tW+04Urg4PxxFiTFdFCZO+prfd4Mge7/OvUcwoSub7 ZIPo8726ZF5/xXzajahoIu9/hZ4iywWPAHRvprXaim5E/vKjcTeBMJIqZtS4u/UK3EpAX59R XVxVpM8zJPbk535ELUr6I5HQXnihQm8l6rt9TNuf8p2WEDxc8bPAZHLjNyw9a/CdeB97m2Tr zR8QplXA5kogS4kLe/7/JmlDMO8Zgm9vKLHSUeesLOrjdZ59EcjldNNBszRZQgEhwaarfz46 BSwxi7g3Mu7u5kUByanqHyA= Organization: Baylibre Message-ID: Date: Wed, 15 Apr 2020 14:54:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <72919514-0657-4B71-902F-3E775E528F64@goldelico.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 15/04/2020 14:43, H. Nikolaus Schaller wrote: > >> Am 15.04.2020 um 12:12 schrieb Maxime Ripard : >> >> Hi, >> >> On Wed, Apr 15, 2020 at 10:35:08AM +0200, H. Nikolaus Schaller wrote: >>> The Imagination PVR/SGX GPU is part of several SoC from >>> multiple vendors, e.g. TI OMAP, Ingenic JZ4780, Intel Poulsbo, >>> Allwinner A83 and others. >>> >>> With this binding, we describe how the SGX processor is >>> interfaced to the SoC (registers, interrupt etc.). >>> >>> In most cases, Clock, Reset and power management is handled >>> by a parent node or elsewhere (e.g. code in the driver). >> >> Wouldn't the "code in the driver" still require the clock / reset / >> power domain to be set in the DT? > > Well, some SoC seem to use existing clocks and have no reset. > Or, although not recommended, they may have the io-address range > hard-coded. The possible clocks and resets should be added, even if optional. Please look at the arm utgard, midgard and bifrost bindings. Neil > > BR, > Nikolaus > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >