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 C72E6CA0EE8 for ; Wed, 17 Sep 2025 12:46:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=iHYLp3VywijscCE7yO2SZTMjz/x4zzsLbbGvOFVOQdY=; b=r3yKXZR6rcyJGFA4fwLFJtlI81 0oCHPJqAvduVzQOvPTHRtS7SB1dph5VxJctbvIn7ZTAszmdEYsZ0ItfgZYQoJ5LO+JE7uF34vBrKK i4Wy9haC1JmCqpubjLDibJohP24Mvc9Y/DgML53KVGZ++0wHK4NJHbggHhbJITdb6aPoZBfbbzZlW rlQKaGicX6KcXtNnjOT6hR5K15ihygZAdM2TXqQcx+la+WjEqRpUk0qsLBO6tl6tsBWi9rQuInsFw TvaabK9lIoEmhoprcKSK+VD8lsIFAQBqZ6+xhyyf9tvrLYzUSHNoNi6pk4uARbO6vbI6OdnSXoF0b QVRHm5Nw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyrY5-0000000BOv1-1nMO; Wed, 17 Sep 2025 12:46:13 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyrY2-0000000BOtc-3sEj; Wed, 17 Sep 2025 12:46:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1758113168; bh=z9vL7KS4PD0NoJis2TPK/ofu5rG6wwLVCIswPtiYVTs=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=CLK0sXk8uhvaEbPj8vEme7Acxg+YzE5WYHRgDiN/be+zE6GhPXdSqfUKuQW3KEWGn wYgvdvB3Pn1Q6rnTe3oVF87S+soDpREj6ldpNislgaIwdaifI8L+AfaF4FAgOycGtL WdlNQEfXs2y6AtdZ2F16rMWyPPz6Rvkpt2FfJ3F8dgsxTSUtm+ywLFbldTk3MMbylm mEBOgaP3Ur59wv017f/fMIFU0RlyssCpcwmkHLfN6gASeb9vmali7ITDI5NiNWz4UW WOKmain1f3MUL3XoTyoFhL/vqJv6BGNPxjWMuUMmCK+EP5C13v2XS9+OC05qcIP//S nOVwRFIxIOv6g== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id D488517E090E; Wed, 17 Sep 2025 14:46:07 +0200 (CEST) Message-ID: Date: Wed, 17 Sep 2025 14:46:07 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 04/10] dt-bindings: mailbox: Add MT8196 GPUEB Mailbox To: Nicolas Frattaroli , Boris Brezillon , Steven Price , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Jassi Brar , Kees Cook , "Gustavo A. R. Silva" , Chia-I Wu , Chen-Yu Tsai Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org, linux-hardening@vger.kernel.org, Conor Dooley References: <20250917-mt8196-gpufreq-v3-0-c4ede4b4399e@collabora.com> <20250917-mt8196-gpufreq-v3-4-c4ede4b4399e@collabora.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20250917-mt8196-gpufreq-v3-4-c4ede4b4399e@collabora.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250917_054611_111980_F57F21A0 X-CRM114-Status: GOOD ( 16.00 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Il 17/09/25 14:22, Nicolas Frattaroli ha scritto: > The MediaTek MT8196 SoC includes an embedded MCU referred to as "GPUEB", > acting as glue logic to control power and frequency of the Mali GPU. > This MCU runs special-purpose firmware for this use, and the main > application processor communicates with it through a mailbox. > > Add a binding that describes this mailbox. > > Acked-by: Conor Dooley > Signed-off-by: Nicolas Frattaroli > --- > .../mailbox/mediatek,mt8196-gpueb-mbox.yaml | 64 ++++++++++++++++++++++ > 1 file changed, 64 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,mt8196-gpueb-mbox.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,mt8196-gpueb-mbox.yaml > new file mode 100644 > index 0000000000000000000000000000000000000000..ab5b780cb83a708a3897ca1a440131d97b56c3a6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mailbox/mediatek,mt8196-gpueb-mbox.yaml > @@ -0,0 +1,64 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mailbox/mediatek,mt8196-gpueb-mbox.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek MFlexGraphics GPUEB Mailbox Controller > + > +maintainers: > + - Nicolas Frattaroli > + > +properties: > + compatible: > + enum: > + - mediatek,mt8196-gpueb-mbox Before anyone asks - yes, it is 100% sure that SoCs will be added here sooner or later. Reviewed-by: AngeloGioacchino Del Regno