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 19EABCD5BAB for ; Sun, 24 May 2026 19:45:22 +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=gdj0TK35GEIKhHP5Bk5VXTOILEdwebdNDL/HO2puRpY=; b=JYLcPyNMw7N4nUtkvXPO8NA5/f zr79Io9IJkbXCyj3XlHsUn3zQrE+U+r7UDEMDW14PGQd+WkuLr53lyl8RG+SZvKRedNcXHTWmCFzL 6T8tOg0+VkyeOI9tU3J4RjqnJC3pZM7Tq4AOiPkC2+gkDy8CEdA7+0+/m+zpqzIRjPVLL46+P25k6 ss4DckooI7J5zpLHtRG62wcjjz/dtfLI5VKEFK54I0u0AC68u8kp4IUA082rrx+ZsbsBYkt4Qtb+N tVGIRqPElPwst1wlVRaiEwBY5j2Z9M0VHNq2mbVyRmO3VyY0uEbFjaQ7yTIIlJeFDCc22bL0z6Vrd 6/GGxnYQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wREl9-0000000FWcW-2jH9; Sun, 24 May 2026 19:45:15 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wREl7-0000000FWc1-0AUv for linux-arm-kernel@lists.infradead.org; Sun, 24 May 2026 19:45:14 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 9A139445CC; Sun, 24 May 2026 19:45:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 027D51F000E9; Sun, 24 May 2026 19:45:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779651912; bh=gdj0TK35GEIKhHP5Bk5VXTOILEdwebdNDL/HO2puRpY=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=DgeAlY20zPHOWDxcPkVhHKArltfO89gPsKw5HHeqrV7Teq4LhenSUPZFh8CI4pNmX kWCK8WAkpKSHPhd5sh3MXSLxA9DZuwKysqUPtHo8wIp2KlBveKZnHUweFg+nLr2our J/X/lVE1u6VqYIVtyVVX8/xea/R7JSAhbl1QDBhv4WQKKlVQ/fEQtor8nfNj0KEvre p+7iwAaN9hnod3RYQN9IhwNXytlbo+V47YaSnUxWlmGJ+a9GLxV2MOF+c+WZgtCigU MKvbS6h4tdSSvcyT6hiytditdeaBPhYolh/lzfqx5wL4Wa7dbktAVh1hlcU8Ij/d2O i/2bMm+6PXJ5w== Message-ID: <453e852b-1134-4404-999e-125d712188dd@kernel.org> Date: Sun, 24 May 2026 21:45:08 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] dt-bindings: firmware: google,gs101-acpm-ipc: document Exynos850 compatible To: Alexey Klimov , Sam Protsenko , Tudor Ambarus , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar Cc: Peter Griffin , linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260513-exynos850-acpm-firmware-support-v1-0-3858d097e433@linaro.org> <20260513-exynos850-acpm-firmware-support-v1-1-3858d097e433@linaro.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260524_124513_129333_9E891858 X-CRM114-Status: UNSURE ( 7.63 ) X-CRM114-Notice: Please train this message. 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 13/05/2026 01:12, Alexey Klimov wrote: > The Exynos850 SoC incorporates an APM co-processor. Communication with > this hardware block is done using the ACPM protocol, which handles IPC > messages for clocks, power, thermal management and PMIC control. > > Dedicated compatible string is required for the Exynos850 because > its firmware utilizes a different initialisation data base offset > (0x7000) compared to the existing GS101 implementation (0xa000). This is good reason/explanation, but open the binding please - you will see several specific children, e.g. S2MPG10. You need to be very explicit in commit msg that your Exynos850 is always fitted with these PMIcs. If not, then you need some other compatibles, because binding should be complete. Best regards, Krzysztof