From nobody Fri Dec 19 20:17:59 2025 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D7851244678; Mon, 23 Jun 2025 12:01:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750680105; cv=none; b=SLB42GrVj3t4Ct2A2YQFGz6LmedLWtLB61udhm2x9yQRJD5P7l+txDIVNqOw+nq5b6Xv/nvTWN8M4VrsY7JgolCdh+ISKWz6BzKu9wPVvxAJSOtwG4FeoooaoPvlkywusVCaf8I4vQPGoi7SJGE1+6qgvazyszYvsWwNVXylgvU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750680105; c=relaxed/simple; bh=gbtG8/FPSoapFfBK9PFojeL8xN0vfOSrk+SUI+ArA44=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aUGb44/krlOQb0BVVThnhXd7TRyDRNXUn+rrzQ2RyGj/WGFH/Z/DnJFWp71yEyrxRhDfoBxVix94uvZE/dAE+stWQSAMD6+x+2hyfjHmVa7PgBnXP2FyPrsJiFCnNfiXmR+IXCnO5LxSuItnBl3GvhTOSdswBroV6URkCIVYam4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=DbtqbiGr; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="DbtqbiGr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1750680102; bh=gbtG8/FPSoapFfBK9PFojeL8xN0vfOSrk+SUI+ArA44=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DbtqbiGrPGc0dZ9y8hjZ9cDu/guznwGPO+PpujFkXw7zinQ6dMIHoghLtlg1UXGMF IOQ0GqcE8mQel7ATHIV8MkDGoaSaEGAyAgpmwCJRJTy+4M/1If5hMnwvwjQhUQwetp QcvPygO/MET03byT5A8W5EYeKrfsHC+2ISSGdt22gDS0rv3fjNcRmVytUDpHG+UzsK pGtoNVI+0zpG1T0ogrDRwUwmb846qGsEpC7T8rKGPJZInEpt/D9YVFaeUkSp2ay2r0 YkYZqPmoG44xH/5HV0dO+GczA64eEp/utF9asBLjrYHttUSk+u9WyEX0gvJztd6H2S VoIqSiRPwoabQ== Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 5C46617E0EC0; Mon, 23 Jun 2025 14:01:41 +0200 (CEST) From: AngeloGioacchino Del Regno To: robh@kernel.org Cc: krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, sudeep.holla@arm.com, cristian.marussi@arm.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, arm-scmi@vger.kernel.org, kernel@collabora.com Subject: [PATCH v1 1/2] dt-bindings: firmware: Add MediaTek TinySYS SCMI Extension protocol Date: Mon, 23 Jun 2025 14:01:35 +0200 Message-ID: <20250623120136.109311-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250623120136.109311-1-angelogioacchino.delregno@collabora.com> References: <20250623120136.109311-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the MediaTek TinySYS SCMI Extension protocol as found on a number of SoCs, including MT6895 and MT8196. This includes controls and power state notifications for the GPU, CPU Memory latency Manager (cm_mgr), SLBC, SSPM and others. Signed-off-by: AngeloGioacchino Del Regno --- .../firmware/mediatek,mt6895-scmi.yaml | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/mediatek,mt6= 895-scmi.yaml diff --git a/Documentation/devicetree/bindings/firmware/mediatek,mt6895-scm= i.yaml b/Documentation/devicetree/bindings/firmware/mediatek,mt6895-scmi.ya= ml new file mode 100644 index 000000000000..98a5b81983b1 --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/mediatek,mt6895-scmi.yaml @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2025 Collabora Ltd +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/mediatek,mt6895-scmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek System Control and Management Interface(SCMI) Vendor Proto= cols Extension + +maintainers: + - AngeloGioacchino Del Regno + +properties: + protocol@80: + $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' + unevaluatedProperties: false + + properties: + reg: + const: 0x80 + +additionalProperties: true --=20 2.49.0