From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3AC6F80611 for ; Tue, 19 Mar 2024 16:13:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710864802; cv=none; b=gOH3XZ1VP+HeVY+luqlxpuNnyRK58vkl4bO61+QljUga3nBMSqiI9voPX5ZrH2vhXmdFP2fxpn74XaR+C00tlzVpSjL8fa7vAO2v/sw40FB17wIh+UxyE4GpkJahfCxJ85vygQmqp2XJpYZFn+13YvvaPJ2M7IcN0YyMcrK4GKs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710864802; c=relaxed/simple; bh=1WPalXZzbxQzT4QNE19BYKy1rQFObEfrbbh3IttYjl8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=D8Y1c0YWmHR1zsi/v5nevs4vMVYBHAcSHpyOQwrhx84ssppjr50+Y084itlSjmAUfGYLpYWSynGj7hA9tvaHkZEd053kPjpmT720E3fdnMG6ZNlqdCAHLaPTIrcviIiZOC5jCwokZItB+SJxjryOD04E+js5+UHH5F2Ptncxi6I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 936E0106F; Tue, 19 Mar 2024 09:13:54 -0700 (PDT) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id BD66F3F67D; Tue, 19 Mar 2024 09:13:17 -0700 (PDT) Date: Tue, 19 Mar 2024 16:13:15 +0000 From: Sudeep Holla To: Srinivas Kandagatla Cc: Trilok Soni , Nikunj Kela , Sudeep Holla , Ulf Hansson , Krzysztof Kozlowski , Manivannan Sadhasivam , krzysztof.kozlowski+dt@linaro.org, Vincent Guittot , robh+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, "Prasad Sodagudi (QUIC)" Subject: Re: DT Query on "New Compatible vs New Property" Message-ID: References: <3e8e7c8c-c14a-452c-a861-e2a07994119a@linaro.org> <487f91af-722f-44eb-a1a2-61dec586d686@quicinc.com> <0411f99d-231a-af4b-d681-7f7748361aa3@quicinc.com> <904978d8-eab4-4936-86dc-b0b1e7c40256@linaro.org> <33783999-227b-4837-9924-2fd99b210cbb@linaro.org> 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: <33783999-227b-4837-9924-2fd99b210cbb@linaro.org> On Tue, Mar 19, 2024 at 03:41:40PM +0000, Srinivas Kandagatla wrote: > > On 19/03/2024 15:17, Sudeep Holla wrote: > > I am not debating on the implementation just to be clear. I accept changes > > might be needed there. The $subject is all about DT bindings and what need > > to be changes and for me nothing, just use existing bindings and if there > > are issues there, let us discuss it with specifics. > > > How can changes to dt bindings be nothing? All the resources > clk/regulators/resets will become optional and a new power or perf domain > will become required for each device with firmwares that support SCMI Perf. > Correct, sorry to miss the point that few properties are now optional from mandatory before. Very good point. I was so caught up with the addition of the new "firmware controlled blah blah" property/compatible that I missed to observe mandatory->optional as a change. Thanks for correcting me. -- Regards, Sudeep