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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A6629C4167B for ; Tue, 5 Dec 2023 09:03:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rM1Vm2SLGzr8OfV2u8AwRiNrdzi1srgtK2J8F2WkMk4=; b=UYlFix64lyZ9gY aroXSKKIaqGWpihqIldyhbYMPHZ3umSkyIRfjLUjwPjW8yKp3WTtrBP3YDK93lGISgk4grLLDC8vr HcLxGaMZtnMkPdG7JWleuC7I13EVxffJJTnRhc/ZvPET8z8iqLYbU0bb4Bhtb4mKRx4gUK88xwsWb 62Faf8R0B6Tew90AHAFiAzckRTonjH7Ei0V6ABHiXEe7Gt4h+7j3lifmO4Ob7Vl0orLu1kDZZZ4YY oHUK5QX24O0UYLhq96VaZ4kkHx6gqbRepPeGQp+HoHS1CmoSeKQNf05ZaiCxjwntKwU7b6llI4Wco N6lNmBKFw2sSBH9gm0oQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rARKj-006jMX-1e; Tue, 05 Dec 2023 09:03:13 +0000 Received: from mail.andi.de1.cc ([2a02:c205:3004:2154::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rARKg-006jLP-0Y for linux-arm-kernel@lists.infradead.org; Tue, 05 Dec 2023 09:03:11 +0000 Received: from p200301077700c3001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:107:7700:c300:1a3d:a2ff:febf:d33a] helo=aktux) by mail.andi.de1.cc with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rARKL-0072PY-Dq; Tue, 05 Dec 2023 10:02:49 +0100 Date: Tue, 5 Dec 2023 10:02:46 +0100 From: Andreas Kemnade To: Krzysztof Kozlowski Cc: Tony Lindgren , Andrew Davis , Frank Binns , Donald Robson , Matt Coster , "H . Nikolaus Schaller" , Adam Ford , Ivaylo Dimitrov , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , =?UTF-8?B?QmVub8OudA==?= Cousson , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Paul Cercueil , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-omap@vger.kernel.org, linux-mips@vger.kernel.org Subject: Re: [PATCH RFC 01/10] dt-bindings: gpu: Add PowerVR Series5 SGX GPUs Message-ID: <20231205100246.5db0d6a1@aktux> In-Reply-To: <27f2e3a3-0791-4278-adb2-55ed76820a3a@linaro.org> References: <20231204182245.33683-1-afd@ti.com> <20231204182245.33683-2-afd@ti.com> <20231205075657.GN5169@atomide.com> <20231205081031.GO5169@atomide.com> <20231205083001.GP5169@atomide.com> <27f2e3a3-0791-4278-adb2-55ed76820a3a@linaro.org> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231205_010310_229177_F3F1FBA9 X-CRM114-Status: GOOD ( 12.18 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 5 Dec 2023 09:45:44 +0100 Krzysztof Kozlowski wrote: > > Sure the clock nodes can be there for the child IP, but they won't do > > anything. And still need to be managed separately by the device driver if > > added. > > So if OS does not have runtime PM, the bindings are wrong? Bindings > should not depend on some particular feature of some particular OS. Any user of the devicetree sees that there is a parent and the parent needs to be enabled by some mechanism. E.g. I2c devices do not specify the clocks of the parent (the i2c master) Maybe it is just more fine-grained on omap. look e.g. at ti/omap/omap4-l4.dtsi there are target-module@xxxx with the devices as a child and a clock in the parent. Regards, Andreas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel