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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34C72C433EF for ; Wed, 13 Jul 2022 07:05:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233580AbiGMHFB (ORCPT ); Wed, 13 Jul 2022 03:05:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233074AbiGMHE6 (ORCPT ); Wed, 13 Jul 2022 03:04:58 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CC16BD39F; Wed, 13 Jul 2022 00:04:56 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7D7F5B81D43; Wed, 13 Jul 2022 07:04:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25950C34114; Wed, 13 Jul 2022 07:04:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657695894; bh=4hvIqPkLZHlf/Zli4Xt0SSiNQfDfOXa81PyHxoExwXU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pwHTkt2sGRghejHc455UUcXoVbBf6B7PFBs1Fb9f2WnHvneqzF/P10xLeunYzas4e 8H+FaCShzTnvzNQUz1a959qSryqs+d/wVi4qG51Wv07J/fQkfdBFmxncp8+IzB/zvF wxf14MpaXV9vg+YgWT/EeVE9xMtQNWq5BDm/66bVq2kreBCVkAovX/iNGNp1f89XxV P2Q9zfeMUe8Y4nUBGiatu8suVqWxknpVzVObhQOoj8KFMVlYrteB9CQ0aoKd81BGss HI2SCtQy3+wP0Pt+/RxECXWtKpKGPIuTUDuPA5shHOaIuWcb/Va40Lvpad+7V2NmR3 bHkaYK+kUPy0g== Message-ID: Date: Wed, 13 Jul 2022 09:04:45 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH 1/4] dt-bindings: firmware: Add bindings for Samsung smc Content-Language: en-US To: dj76.yang@samsung.com, "jesper.nilsson@axis.com" , "lars.persson@axis.com" , "robh+dt@kernel.org" , "krzk+dt@kernel.org" , "lee.jones@linaro.org" Cc: "javierm@redhat.com" , "bjorn.andersson@linaro.org" , "linux-arm-kernel@axis.com" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Moon-Ki Jun , Sang Min Kim , Wangseok Lee References: <20220713045357epcms1p8ccfe1c489edfd066d0e41ff928c0af71@epcms1p8> From: Krzysztof Kozlowski In-Reply-To: <20220713045357epcms1p8ccfe1c489edfd066d0e41ff928c0af71@epcms1p8> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 13/07/2022 06:53, Dongjin Yang wrote: > Add an devicetree bindings for Samsung secure monitor call service. > This driver is used for SoCs produced by Samsung Foundry to provide > SMC call. This patch supports register read/write request to secure > monitor. Also, SMC call request which uses shared memory to exchange > the data between kernel and secure monitor. > > Signed-off-by: Dongjin Yang > --- > .../bindings/firmware/samsung,smccc-svc.yaml | 31 ++++++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 32 insertions(+) > create mode 100644 Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml > > diff --git a/Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml b/Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml > new file mode 100644 > index 000000000000..427c42a6cd75 > --- /dev/null > +++ b/Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml > @@ -0,0 +1,31 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/firmware/samsung,smccc-svc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Samsung Secure Monitor call service > + > +maintainers: > + - Jesper Nilsson > + > +description: | > + The file documents device tree bindings of Samsung secure monitor > + call service. > + > +properties: > + compatible: Please add SoC comaptible followed by generic samsung,smccc-svc (so you need items with an enum and const). > + const: samsung,smccc-svc > + > +required: > + - compatible > + > +additionalProperties: false > + > +examples: > + - | > + No need for blank line. > + samsung-svc { Generic node names, e.g. smc. > + compatible = "samsung,smccc-svc"; > + }; > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index 20133dcd8ce9..6763746c349f 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1862,6 +1862,7 @@ M: Jesper Nilsson > M: Lars Persson > L: linux-arm-kernel@axis.com > S: Maintained > +F: Documentation/devicetree/bindings/firmware/samsung,smccc-svc.yaml Does not look related to Artpec. Shouldn't this be under Samsung Exynos? > F: Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt > F: arch/arm/boot/dts/artpec6* > F: arch/arm/mach-artpec Best regards, Krzysztof