linux-kernel - Re: [PATCH 1/4] dt-bindings: clock: imx8mp: Add #reset-cells property

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Mon, 6 May 2024 14:50:18 +0800
From: Shengjiu Wang <shengjiu.wang@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Shengjiu Wang <shengjiu.wang@....com>, abelvesa@...nel.org, peng.fan@....com, 
	mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, shawnguo@...nel.org, 
	s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com, 
	marex@...x.de, imx@...ts.linux.dev, linux-clk@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org
Subject: Re: [PATCH 1/4] dt-bindings: clock: imx8mp: Add #reset-cells property

On Mon, May 6, 2024 at 2:24 PM Krzysztof Kozlowski <krzk@...nel.org> wrote:
>
> On 06/05/2024 05:49, Shengjiu Wang wrote:
> > Make audiomix block control a reset provider for
> > Enhanced Audio Return Channel (eARC).
>
> Why? Commit msg should explain that. Why suddenly this became reset
> coontroller? Does it represent hardware?
>

Yes.  The Audio BLK_CTRL contains clock distribution and gating controls,
as well as reset handling to several of the AUDIOMIX peripherals.

The register at offset 0x200 controls the EARC PHY and Controller's reset.

Best regards
Shengjiu Wang

>
>
> Best regards,
> Krzysztof
>