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 B5B023FB1E; Mon, 1 Apr 2024 13:56:39 +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=1711979799; cv=none; b=KGaW/50g74zK4BT4HegxG+nnUDCNlIRp5G7lL5+gUtzMNFTYPtuCmyx7NOgHj1jLlhp15X9GU0y66LRe5LBfIfMEAacUYtPN8flwRXXIc73Xttd3W+7NfeSNrX/zKN/jgA+qhH9cIHtMYJ1H40ODrSQuB97wQ+UjDP9jxN8eu/8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711979799; c=relaxed/simple; bh=SB286+nY7DQGLoaBo1jo/XJvyvYzcBgrwXpwBgupmWM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=okeW6jGjK8uV6A+J2tDcZjTVPHh9nR8T/1OXpPtAx4RPw1gc9mZbkSKt0UHZaULTy05WPU3x0v6+Uef3KO2PmDzOuOUWGwPQld4BYbSTogxZ8ZVO2CPd7eY3ENB76uPVf6mlIpdUKP50vo0okfHJdFrcDa/h6ayMVFAfUYxXlS4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dxp575dQ; 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="dxp575dQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06E18C43390; Mon, 1 Apr 2024 13:56:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711979799; bh=SB286+nY7DQGLoaBo1jo/XJvyvYzcBgrwXpwBgupmWM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dxp575dQiKZXAdercVf8cUDwWfKwEI6IqLjDU0pN3iKC0OrWxwjzbb0sw0uNSB2su DPVp94ewBebNT2v7SyvuYfXsqUtZpuUvIwWT6EtFTNIZpVf/zF7D0puWN82DDXTa6Q Kpubtuqo9ATNQorO7++V53Rx8U58e13DUolQFy9a7g0XztCd9yAtBGZ70qTnVn534V mzlsyll3/cmjN5WycpuflvPpxhB+kKCL1N70VmsHaxLPjc6UjtiLJo3Cr1rEybUnEb i3tJWsVtJV6N59bCi3vYfRUQQWBcdPctEdOXf4zm4Aqec43LuDYbhXz0mgM8gHMD3z 3jWM2YyadVUzQ== Date: Mon, 1 Apr 2024 08:56:37 -0500 From: Rob Herring To: Peter Yin Cc: patrick@stwcx.xyz, Wim Van Sebroeck , Guenter Roeck , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 3/4] dt-bindings: watchdog: aspeed-wdt: Add aspeed,scu Message-ID: <20240401135637.GA342928-robh@kernel.org> References: <20240328022231.3649741-1-peteryin.openbmc@gmail.com> <20240328022231.3649741-4-peteryin.openbmc@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240328022231.3649741-4-peteryin.openbmc@gmail.com> On Thu, Mar 28, 2024 at 10:22:30AM +0800, Peter Yin wrote: > To use the SCU register to obtain reset flags for supporting > bootstatus. > > Signed-off-by: Peter Yin > --- > Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > index 3208adb3e52e..80a1f58b5a2e 100644 > --- a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > +++ b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > @@ -8,6 +8,8 @@ Required properties: > > - reg: physical base address of the controller and length of memory mapped > region > + - aspeed,scu: a reference to the System Control Unit node of the Aspeed > + SOC. You cannot add new required properties as that is an ABI break. If there's only 1 SCU instance, you can just fetch its node by compatible with no DT change. What's the plan for converting this binding to schema? This is the 2nd new property in 6 months. Rob