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 46D37238C1B; Sun, 24 Aug 2025 11:29:20 +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=1756034960; cv=none; b=OV3tP5i6OycvTWahB5/vfQQKohqYGqxLgmmX+rjH7V5m/nTBo8ySOspS8Klo5jN0xedjAxTV8pkPvV/Xaj1Qmynq1FlM1tX6VRei6XUzpVBhsuRswzuJ6Rbi3QWouPIaz9ccySLxbBYQ3G3dyY3+vhBafSCBA9x7prYijWxlLv0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756034960; c=relaxed/simple; bh=8IP81whtAjPKNNsMkPh9mE8F1GTRMoO3BkzclUKZ9zc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=HwOXj9SugM7lm7F3q9kJUXxb0g5rVpOSzi2Sapsw588RuAU/TD0ij+gJX6nuxlovgOpXMkC6ymzv6oIcmTLoZfGpZBpJqNn4SepBcPgV+13i9GUFjZEYqLWS28sKrIkmzoFOdwQY95jvN1JpRm4jJwfB4dTUUM6eCX6P132mpNA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=J6hBmk+b; 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="J6hBmk+b" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6503C4CEEB; Sun, 24 Aug 2025 11:29:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756034959; bh=8IP81whtAjPKNNsMkPh9mE8F1GTRMoO3BkzclUKZ9zc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=J6hBmk+bD45JJt1PjS1pyoIC3B09CgON0nhPHlp6XDOLs5g0EBos7hTjtT9bz0kHe i2T/z+zkTetgYKs7zmbLPGZhloW3uf79/YoAhJKwakvFaSSSLLU4mEytsGBg0bUrgv NYaL4vt4ueI2k0MFqd8zszJxExgMyBAPOUyXSL+rY1Vy8Fe4sl9vCibXliHeaWQY96 LfPGiKothFMvIoRtKAY+4/XSZqHo3hb1yyxmau3u3d8UIxXC+Zc+4/ch6v0/85OUK+ SdGsNlQXQD2qk1ySWXkLE6qcwZad05/3LY2qMRaQekJiHTDiSJ1FNo8qOWlvWwzQBm 1sVqgudUNm+7Q== Message-ID: Date: Sun, 24 Aug 2025 13:29:15 +0200 Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/4] arm64: dts: imx8mp: convert 'aips5' to 'aipstz5' To: Laurentiu Mihalcea , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Fabio Estevam , Catalin Marinas , Will Deacon Cc: Pengutronix Kernel Team , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250821105634.1893-1-laurentiumihalcea111@gmail.com> <20250821105634.1893-3-laurentiumihalcea111@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 21/08/2025 12:56, Laurentiu Mihalcea wrote: > From: Laurentiu Mihalcea > > AIPS5 is actually AIPSTZ5 as it offers some security-related > configurations. Since these configurations need to be applied before > accessing any of the peripherals on the bus, it's better to make AIPSTZ5 > be their parent instead of keeping AIPS5 and adding a child node for > AIPSTZ5. Also, because of the security configurations, the address space > of the bus has to be changed to that of the configuration registers. > > Finally, since AIPSTZ5 belongs to the AUDIOMIX power domain, add the > missing 'power-domains' property. The domain needs to be powered on before > attempting to configure the security-related registers. > > The DT node name is not changed to avoid potential issues with DTs in > which this node is referenced. > > Co-developed-by: Daniel Baluta > Signed-off-by: Daniel Baluta > Signed-off-by: Laurentiu Mihalcea > Reviewed-by: Frank Li Where did it happen? > --- > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > index bb24dba7338e..b62bb821cf61 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > @@ -1396,12 +1396,14 @@ eqos: ethernet@30bf0000 { > }; > }; > > - aips5: bus@30c00000 { > - compatible = "fsl,aips-bus", "simple-bus"; This breaks all the users. I understood explanation as "it is better", no real reasons. No, you cannot do that. Best regards, Krzysztof