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 4C103C433EF for ; Fri, 11 Mar 2022 10:22:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347818AbiCKKXh (ORCPT ); Fri, 11 Mar 2022 05:23:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347806AbiCKKXa (ORCPT ); Fri, 11 Mar 2022 05:23:30 -0500 Received: from smtp-relay-internal-1.canonical.com (smtp-relay-internal-1.canonical.com [185.125.188.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D88C1BFDDB for ; Fri, 11 Mar 2022 02:22:25 -0800 (PST) Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id D5CAD3F1AB for ; Fri, 11 Mar 2022 10:22:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1646994143; bh=DAVriWfMGPTsL+sa6ojmwlvAcyFDQFDnBsePZn4gJvo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Cm+pKngf2fuWJMYP6j8t3CY4VWz4TWkC1R9cnQZc2o48Ij0ywLi0skdpIWe8VpEXv XrDKS4q+1c41MQHfzSJJ3Lo4m6QOjLuKYw8tiC5hUxukZV2+rJpuiW5ABWaA3IL8ot cZYg4viBJxxvww2nz3BWtqidIma7t2+KrX34ATVSl/J9/4cZ6wV4XIyI1snJK1Jk4F JfYN1jR+zJHM9fxwHut6aQKMpP3taYYsTvMRT7iDq7ae/t3KNnJ1SFTlhn6vHUFala ciTYAwQ47067MRoqBAJ6Ld1qzJGIi3L9Hyr7iiXPKDPNUtyVxa9Pk9kz7liCf5V5LB 1zqk9zjx3VJXA== Received: by mail-ed1-f69.google.com with SMTP id x5-20020a50ba85000000b004161d68ace6so4617004ede.15 for ; Fri, 11 Mar 2022 02:22:23 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=DAVriWfMGPTsL+sa6ojmwlvAcyFDQFDnBsePZn4gJvo=; b=PDB6Gqo24tt5bFhv9N1DhI6YheZ7sxJ75+XmqFnVSdeHrQjDsU9tshRlZIKRWpAS4K 6OxS+RMK3i/swmF+ajvvtPhj/a9tZAxqlUxVqZ90HMDPOsriA3IJiEgVDFQ4mwtTehMY Kj+4QqEwz8kntt74epRxkWCkFajJyynYlc44Exo6eyVidDFASttgS/M6IAeJMKlnMfAT ROqvTGmi0XdJiKVoWYB6yI097urcqwIAi5WnLzqlwBnqwUkr2MfgYWYqZ+ML97KuFvVI eHzUcOMEAdMSmN3FvxdO1npf6BFWhpXtcbNDsc7ZQEnNoE9zQfeVkbmNwDGL+NilBzKT l40g== X-Gm-Message-State: AOAM531XjKA/al93J7iLVNZabqOAemMtxVvkvRZAlaNPB1zLL9EsAm9a sxFN7oDkyPFjZnt7cFl58weZm1oyMAOg7cS9qDJlMKiHrNZigBuW8Fso1KpUcqkfP5eY/KA+OYo mqcfNTdpdTNFQWbnNTuQzJrN11Bqnv+njOPDlT73zWA== X-Received: by 2002:a17:906:c114:b0:6d7:1065:a8b0 with SMTP id do20-20020a170906c11400b006d71065a8b0mr7821352ejc.181.1646994143556; Fri, 11 Mar 2022 02:22:23 -0800 (PST) X-Google-Smtp-Source: ABdhPJw3HrnS+Vr6tGo6Ytf/3Yw1utrhk17vjWI3t9FZffF20NXSb6KlReOoQp/QOKavg1BVh9Mrtw== X-Received: by 2002:a17:906:c114:b0:6d7:1065:a8b0 with SMTP id do20-20020a170906c11400b006d71065a8b0mr7821333ejc.181.1646994143309; Fri, 11 Mar 2022 02:22:23 -0800 (PST) Received: from [192.168.0.148] (xdsl-188-155-174-239.adslplus.ch. [188.155.174.239]) by smtp.gmail.com with ESMTPSA id l9-20020a056402254900b00416b0ec98b5sm1792227edb.45.2022.03.11.02.22.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 11 Mar 2022 02:22:22 -0800 (PST) Message-ID: <679cb1a3-28fb-7031-ecc7-5f60266bcf7c@canonical.com> Date: Fri, 11 Mar 2022 11:22:21 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v3 08/10] dt-bindings: arm: Add HPE GXP CPU Init Content-Language: en-US To: nick.hawkins@hpe.com, verdun@hpe.com Cc: Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20220310195229.109477-1-nick.hawkins@hpe.com> <20220310195229.109477-8-nick.hawkins@hpe.com> From: Krzysztof Kozlowski In-Reply-To: <20220310195229.109477-8-nick.hawkins@hpe.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/03/2022 20:52, nick.hawkins@hpe.com wrote: > From: Nick Hawkins > > This adds support for the hpe,gxp-cpu-init binding. > With the HPE GXP initialization it is necessary to have access to this > register for it to boot. > > Signed-off-by: Nick Hawkins > --- > .../cpu-enable-method/hpe,gxp-cpu-init.yaml | 31 +++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/cpu-enable-method/hpe,gxp-cpu-init.yaml > > diff --git a/Documentation/devicetree/bindings/arm/cpu-enable-method/hpe,gxp-cpu-init.yaml b/Documentation/devicetree/bindings/arm/cpu-enable-method/hpe,gxp-cpu-init.yaml > new file mode 100644 > index 000000000000..a17c3fcc5421 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/cpu-enable-method/hpe,gxp-cpu-init.yaml > @@ -0,0 +1,31 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/arm/cpu-enable-method/hpe,gxp-cpu-init.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Initialize GXP CPU Please explain what's this. The bindings describe the hardware and I cannot get what is this here about. Is it a CPU enable method (like in cpus.yaml)? Is it some power management block? Best regards, Krzysztof