From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793001098; b=rm6/GN9T+/+N42MAJ9D9fkg64PsxJXVOwN9Q86ZGnRnZkJmwRkomdwsvC8N9uYBxO3Zj pWwixUv2B35xQjQ2GqjrSIVVK8eRvr+5sa1l47yqA6/8UHVpy3red8iFP5BYVZaLmqPAM NMZLPmKxBTSOWYbPLInNvl2T/cWRKpk2sPvbz8CGWqm6e2dNXFmbdM9xdW3OBmz5VZHwl QMguWV4yCWmypigMAgyZzWcwG8VkI3UESo0vibbihsiV1fcyUr1/PnMXm+kSnU5ufa55u sYvOnjPepXcP2b6rsx6k9ADsWlJ30glkc8BZez6sKgnr+GcJkR0qglQX5U6Rz18p/JQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793001098; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=ReopTLtwQNEVhs7qRFvgKJ+ZmFHz1cCFpaMGBdlN7ds=; b=g55PPZPySRxsGomVIhPdOAugM/7Gu4KWifzN9HRuGEhHO4D6vMdO6WgcP0ouYH1EfOIb QIrX6SliiFiHAQKHS6B9lA5s8PDAv9ejky4yWV8DCzSCQ7Zxv6XD4ZmPXGbYjQAjREdyL JMf3+zvAJ38Ln36FJNqdDLDPcHH2MREugZ89R4ClAeBTwjxmFE9wazrJ7eJN/dzRxLtrJ 25kMoypI8O7DGhE1PD80QgriSFUYL977a1R9z40xJE3g5WsvZKXW8ti3IUBb/nyCIHm3a NshQPFCTSzd8dTr3I3TXB10be4OVeNpI6Hz4JZSI0xjb5p51qDnn2dOzeFfdjE3pRFA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=kK6KAtcp; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56E25606A31A; Mon, 26 Oct 2026 07:51:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=kK6KAtcp Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1BF581F01825; Mon, 26 Oct 2026 07:51:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793001098; bh=ReopTLtwQNEVhs7qRFvgKJ+ZmFHz1cCFpaMGBdlN7ds=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=kK6KAtcpcJVtoleORKRGvQMTbkBoXD6YMNGx/enpf+xC5rMP/oswCcruMBvWnxCVb 09gboOOnQYNlQgt4cSaAZhBLWhfSVpuNq9NzxvM0UiWrLykPMgkZPt+rVdFngQChet cV0Wke/cdj5gDrWaPCG5jsaMbR/kST2oO+jDHGfyGfHFtAS0qwhf3RJtK6HALcr9aq ffYblwaIm+2djIWwu9R9qj0k6vBwfJwFEKXmIclifXTkCFxZPAPMTfd0MP6hxBeXaI j0u9OEX5daFxBICOSYnIHtKIpT8MqxcUSPM4g5i5JKcxORGxBxEx/nLOXtru05DHFm Yt9lksUulWEkg== Date: Mon, 26 Oct 2026 08:51:34 +0100 From: Krzysztof Kozlowski To: Tomeu Vizoso Cc: Nishanth Menon , "Andrew F. Davis" , Randolph Sapp , Jonathan Humphreys , Andrei Aldea , Chirag Shilwant , Vignesh Raghavendra , Beleswar Padhi , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Oded Gabbay , Jonathan Corbet , Sumit Semwal , Christian =?utf-8?B?S8O2bmln?= , Robert Nelson , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Jani Nikula , Tvrtko Ursulin , Markus Elfring , Bjorn Andersson , Mathieu Poirier , Suman Anna , Kees Cook , "Gustavo A. R. Silva" , Shuah Khan , Randy Dunlap , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, Tomeu Vizoso , linux-remoteproc@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH v3 03/16] dt-bindings: remoteproc: k3-dsp: Allow referencing the timers' power domains Message-ID: <20261026-encouraging-musical-piculet-debfeb@quoll> References: <20261023-thames-v3-0-3ab40aa17157@tomeuvizoso.net> <20261023-thames-v3-3-3ab40aa17157@tomeuvizoso.net> X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20261023-thames-v3-3-3ab40aa17157@tomeuvizoso.net> On Fri, Oct 23, 2026 at 08:39:28AM +0200, Tomeu Vizoso wrote: > A firmware may drive the core's timers, which need their power domains > held; the remoteproc driver does not hold them, so let the DSP node > reference them for a driver that attaches to the running core to hold. > > Assisted-by: LLM > Signed-off-by: Tomeu Vizoso > > --- > > v3: > - Initial version > --- > .../devicetree/bindings/remoteproc/ti,k3-dsp-rproc.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/Documentation/devicetree/bindings/remoteproc/ti,k3-dsp-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/ti,k3-dsp-rproc.yaml > index d6319c8e96f8..80eaef0a19b8 100644 > --- a/Documentation/devicetree/bindings/remoteproc/ti,k3-dsp-rproc.yaml > +++ b/Documentation/devicetree/bindings/remoteproc/ti,k3-dsp-rproc.yaml > @@ -76,6 +76,23 @@ properties: > # Optional properties: > # -------------------- > > + power-domains: > + description: | > + Power domains of the SoC timers the running firmware ticks on and > + times its work out with. The firmware programs these timers itself > + and makes no power request for them, and the timers' own nodes are > + reserved for it, so nothing else requests their power; a client > + driver of the firmware holds them on while it drives the processor. > + The processor's own power is managed through ti,sci-dev-id, not here. > + items: > + - description: power domain of the first timer first timer > + - description: power domain of the second timer second timer No need to say that power domain is a power domain. Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof