From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 466A11AF6BE; Thu, 20 Jun 2024 16:16:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718900217; cv=none; b=RPwc5VwKF9apH6GfY6+QBmtRHsiknxQVjrLn4fSJLEESL8mpf+izbEklzThV30Htoq1sXOiVjfDticLfdz8ER2/N0R16fs6Tf1eF9eApoDckhFGq1YQwi6ZbAHHKQegh0glO2mI0/zxSY9mKZOucgX7peSNPyIWHgEwPKiHUdek= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718900217; c=relaxed/simple; bh=vHDWenkeMb4RhXFUkZ9+r76f4G4q9rAOzWwZhsXlnDA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RtVr0QsbPpmOUZhLkwsC1gorLnLnIBYksaRZSmGd60+CMPB6FGTlmaERiWRLBaFU1T5A73miEN5Lc/yxVEEzgZAET0sH5A11eWMsZxm0/vXAcqwRE0NJda/mUzqHI7frVWswHx5XA13M7qecvrpsnz7jnKWgbDDAPlyzSJ8l74M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mdtGzwQ1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mdtGzwQ1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F6F4C4AF07; Thu, 20 Jun 2024 16:16:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718900216; bh=vHDWenkeMb4RhXFUkZ9+r76f4G4q9rAOzWwZhsXlnDA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=mdtGzwQ1RycWMYjzjeVWy4giLAtkYuuagNJkowB9PNpYF++i8gIX5wOpbHpOZbfs2 vXny6BfZ02G8cvjFTfGmBX2fxPAqoi6gcGKb1rwPrZcQuGHEmyzyNlUDRHP2wE7dLO 1mbOrQMot7lVkPPMOgOpnGetf/BrVoqNWQ5C5Ar+ebETNeUZM4jwHtdOR3wtTcRkQR B4rJ0apCbGel8z/JQlkx9VmaYc8ZhYWzrChFzV9NytKrJKlEqpV+arr9MMkiZXTz2A 8n8IrpJtaJfo1GPeywJ6f6h3x1viuoGHWpsr96ujC8ejAoyCDZxm+qr6MwJcWHXOUV RKsJKu1QHMbGA== Message-ID: <45d66377-20d8-4b16-9b5c-490d9afc41ed@kernel.org> Date: Thu, 20 Jun 2024 18:16:50 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 7/8] dt-bindings: mfd: Add img,boston-platform-regs To: Jiaxun Yang , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "paulburton@kernel.org" , Thomas Bogendoerfer Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, "linux-mips@vger.kernel.org" References: <20240618-boston-syscon-v3-0-c47c06647a26@flygoat.com> <20240618-boston-syscon-v3-7-c47c06647a26@flygoat.com> <6d3fbd07-72a0-43fd-a1e5-c39e3a833bc1@kernel.org> <51557e31-0a59-4278-a8c1-25cf66fa3c3f@app.fastmail.com> <808f27bf-9dc7-407a-86ff-0a8fae79531c@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 20/06/2024 18:13, Jiaxun Yang wrote: > > > 在2024年6月20日六月 上午7:40，Krzysztof Kozlowski写道： >> On 19/06/2024 13:20, Jiaxun Yang wrote: >>> >>> >>> 在2024年6月19日六月 上午10:28，Krzysztof Kozlowski写道： > [...] >> Your children depend on parent to provide IO address, so this is not >> simple-mfd. Rule for simple-mfd is that children do not rely on parent >> at all. > > I don't really get this. > > As per syscon-rebbot.yaml: > > The SYSCON registers map is normally retrieved from the > parental dt-node. So the SYSCON reboot node should be represented as a > sub-node of a "syscon", "simple-mfd" node. > > syscon-reboot is certainly using parent node to provide I/O address, > even regmap property is deprecated. Without "simple-mfd", reboot node > won't be populated at all. That's why I asked you to populate children. Best regards, Krzysztof