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 E8B0ED3B7E5 for ; Mon, 29 Dec 2025 05:39:51 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=XSRleBfGDpxrB36lChNVQFvA7Ef/8nxaA4UlMhqSqeE=; b=lgozME/FBLo0p5w/zsy3tbMsjj wjs8jxccCer2ObOrZgGrKm4iKnnfEx03wWD/YryvPBfkV97cn13rYKRnIXrSI2kHien1c3JESCM+t B+YMNhLdRwfdgQYgRsN7AIOCRJ+TolJSx7yuM3S55ISINNd0sxShUjnakZHxZBpXSRIw3w+Zv86JA mI4HTtXZ6JbZZ0iadwMr0AbIBiIzj9PrDA9MwGjD4ikg17Cg6dNyibEeAOUoxgWDuqOvn/wUAEJqV Q434En5iNwVg/1/5Z6w1aCqMwC+8S3ExtsC8u1dgE6ngHlneJKnVz5pTgWcdZuACkN2c7xIzZmxv4 ws3xZ/8w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1va5yq-00000003Lvv-1Ul9; Mon, 29 Dec 2025 05:39:44 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1va5yn-00000003LvW-1YA9 for linux-arm-kernel@lists.infradead.org; Mon, 29 Dec 2025 05:39:42 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 188D743B25; Mon, 29 Dec 2025 05:39:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37B43C4CEF7; Mon, 29 Dec 2025 05:39:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766986778; bh=hUD0ESZR0fiGX+5i+A4WD58O6b8Rleo0ARVfBQND1fg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=crfK7hGEKJQd+jZ/mzVVllUGC53q1JtiM6l0nfgK0VmZ+jHGITOazGfxXJsgGjzhk w+SOgDsDiiDVFhcjFx1MwfiTWZ4iCOnfJ5EpkBzLLWt/b9jfx4VxULNYVllvN1APN4 uP9z7nLzBszdSpkTIk2HnRHyVqAYtM/5D1uVgjcTZIEUeFCGzWV1E/CK4ZZsoYLvVJ Pdx7fX6aZsz1Wh0NTY94/o1DY+6Z7T2Yu3GA8BDwQ7eCMrdCy6OkzGQbPbZsxhT/rF 9SDLMgTzaZnjdXrCdRo8HKNS0FEwwW2jwb2iPYJjAPtXUv/IMpJLD4dKLvBVPFr6gi MQpYWX6j4BHyg== Date: Mon, 29 Dec 2025 11:09:29 +0530 From: Sumit Garg To: Arnaud Pouliquen Cc: Bjorn Andersson , Mathieu Poirier , Jens Wiklander , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, op-tee@lists.trustedfirmware.org, devicetree@vger.kernel.org Subject: Re: [PATCH v20 1/6] dt-bindings: firmware: Add TEE remoteproc service binding Message-ID: References: <20251217153917.3998544-1-arnaud.pouliquen@foss.st.com> <20251217153917.3998544-2-arnaud.pouliquen@foss.st.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251217153917.3998544-2-arnaud.pouliquen@foss.st.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251228_213941_457065_B537720F X-CRM114-Status: GOOD ( 21.07 ) 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 On Wed, Dec 17, 2025 at 04:39:12PM +0100, Arnaud Pouliquen wrote: > Add a device tree binding for the TEE-based remote processor control > service implemented as an OP-TEE Trusted Application identified by > UUID 80a4c275-0a47-4905-8285-1486a9771a08. > > The TEE service node is a child of the "linaro,optee-tz" firmware node and > acts as a container for remoteproc devices that are controlled via TEE. > > In addition, the "linaro,optee-tz" binding is updated to specify the > '#address-cells' and '#size-cells' values used for child TEE service > nodes. > > Signed-off-by: Arnaud Pouliquen > --- > .../arm/firmware/linaro,optee-tz.yaml | 6 +++ > .../bindings/remoteproc/remoteproc-tee.yaml | 47 +++++++++++++++++++ > 2 files changed, 53 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/remoteproc-tee.yaml > > diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml > index 5d033570b57b..ab69eecba9ad 100644 > --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml > +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml > @@ -41,6 +41,12 @@ properties: > HVC #0, register assignments > register assignments are specified in drivers/tee/optee/optee_smc.h > > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > required: > - compatible > - method > diff --git a/Documentation/devicetree/bindings/remoteproc/remoteproc-tee.yaml b/Documentation/devicetree/bindings/remoteproc/remoteproc-tee.yaml > new file mode 100644 > index 000000000000..083ecf1f38cf > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/remoteproc-tee.yaml > @@ -0,0 +1,47 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/remoteproc/remoteproc-tee.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TEE Remote Processor Control Service (UUID 80a4c275-0a47-4905-8285-1486a9771a08) > + > +maintainers: > + - Arnaud Pouliquen > + > +description: | > + Node describing a TEE-based remote processor control service implemented as > + a Trusted Application identified by UUID 80a4c275-0a47-4905-8285-1486a9771a08. > + > + It is a child of the OP-TEE firmware node ("linaro,optee-tz") and acts as a > + container for child remoteproc devices (for example, the STM32MP15 M4 core > + described by "st,stm32mp1-tee"). > + > +properties: > + compatible: > + const: rproc-service-80a4c275-0a47-4905-8285-1486a9771a08 This should just be "80a4c275-0a47-4905-8285-1486a9771a08" which is the device/service identity on TEE bus. -Sumit > + > + reg: > + description: | > + Logical identifier of the TEE remoteproc service instance. > + maxItems: 1 > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > +patternProperties: > + "^[a-zA-Z0-9,._-]+@[0-9a-fA-F]+$": > + type: object > + > + > +required: > + - compatible > + - reg > + - "#address-cells" > + - "#size-cells" > + > +additionalProperties: false > +... > -- > 2.43.0 >