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 654951C5D4B; Sat, 16 Aug 2025 08:21:59 +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=1755332519; cv=none; b=ZF2orsE/nloiTGGGFWLujptuTEPSDOgN4cez242/IWaW2/2Gmgp/MDOOeeOLbTUeZTy9++0to1kWUKnwnSZBrJ/QLILedxZ8j+7zBzD/X4x8ZPLx8Bx7iq+34EgOHR5+OLB1zwM7iFxVxOHsVxcL0vtiKzsTmmiNClZEcbcahMw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755332519; c=relaxed/simple; bh=Ecgw6+STTi9kx0zSogBa652g8EHVNw0w8FcFqDRNx78=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=L7/4Lnv9U7OB7eGl672ybHiNmle1oRoYPaeyrx8Tzin8EcDgrxK4hNuFxYw4UIGgNovY8xknZ+/Jpbal1j5ukDUzfqa+9X1slnRJrQrkxAviuyuWehwlUzliabwGCfO7dEqSlG/sCT5t6lPh8Lo2qqxL/tIMDZOBvn2MT0FX2Wk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k3FmVHNK; 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="k3FmVHNK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3215BC4CEEF; Sat, 16 Aug 2025 08:21:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755332518; bh=Ecgw6+STTi9kx0zSogBa652g8EHVNw0w8FcFqDRNx78=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=k3FmVHNKYCPySqeFxH/sHLMUuQeDb4w4V0zMV6P7iD/sgPpt8UokEB7tGSGwBnWTh slrwfbi3Yf6JNcPMCJbOyU4bfr+JmNJzrpoI0dl19tCShPWRrfYDGzmQg2iXoC0cl0 guruGzpD0pkLCJo7gywLkHtTnWd8vbtfNS0mRWWDjyiuBYtP5UabfhUFFPR5VXwy2p xFLiJgm5kYo7EVWBKRLmMXx91VkJwuprFIa4cshEKVLJvDrOq7z7k/+dVur5CpTya8 LenM1t5TVwQJmA07O6xLw3W5+d/qp8MYRJiIQEWS9v/onD/YsVtJXA5sC9t0z0ZuFm 4QC2WYXIuxJKA== Message-ID: Date: Sat, 16 Aug 2025 10:21:53 +0200 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/5] dt-bindings: clock: tegra124-dfll: Add property to limit frequency To: webgeek1234@gmail.com, Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Joseph Lo , Peter De Schrijver , Prashant Gaikwad Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Thierry Reding References: <20250816-tegra210-speedo-v1-0-a981360adc27@gmail.com> <20250816-tegra210-speedo-v1-1-a981360adc27@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 16/08/2025 07:53, Aaron Kling via B4 Relay wrote: > From: Aaron Kling > > Some devices report a cpu speedo value that corresponds to a table that > scales beyond the chips capability. This allows devices to set a lower > limit. > > Signed-off-by: Aaron Kling > --- > Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt > index f7d347385b5775ddd702ecbb9821acfc9d4b9ff2..6cdbabc1f036a767bdc8e5df64eeff34171a3b85 100644 > --- a/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt > +++ b/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt > @@ -70,6 +70,9 @@ Required properties for PWM mode: > - dvfs_pwm_enable: I/O pad configuration when PWM control is enabled. > - dvfs_pwm_disable: I/O pad configuration when PWM control is disabled. > > +Optional properties for limiting frequency: > +- nvidia,dfll-max-freq: Maximum scaling frequency. 1. Frequency is in units. 2. OPP defines it already, doesn't it? 3. You need to convert file to DT schema first. No new properties are allowed in text. Best regards, Krzysztof