linux-kernel - Re: [PATCH v1 1/4] dt-bindings: watchdog: mediatek,mtk-wdt: add MT7988 syscon requirement

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Message-ID: <F5A59950-5D16-4780-A64C-806A6324D467@public-files.de>
Date: Sat, 13 Jul 2024 12:47:00 +0200
From: Frank Wunderlich <frank-w@...lic-files.de>
To: Krzysztof Kozlowski <krzk@...nel.org>, Frank Wunderlich <linux@...web.de>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Wim Van Sebroeck <wim@...ux-watchdog.org>,
 Guenter Roeck <linux@...ck-us.net>
CC: Daniel Golle <daniel@...rotopia.org>, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 linux-watchdog@...r.kernel.org
Subject: Re: [PATCH v1 1/4] dt-bindings: watchdog: mediatek,mtk-wdt: add MT7988 syscon requirement

Am 13. Juli 2024 12:21:46 MESZ schrieb Krzysztof Kozlowski <krzk@...nel.org>:
>On 09/07/2024 12:13, Frank Wunderlich wrote:
>> From: Frank Wunderlich <frank-w@...lic-files.de>
>> 
>> This is needed by u-boot-driver when using OF_UPSTREAM.
>
>Thanks for providing context. What we miss here still, is the
>description of the hardware and for what this syscon is used. Why this
>become system controller and before was not? Or this is just for regmap
>- then it does not work that way... You cannot have whatever driver
>poking all around then claim - I have crappy driver poking to every
>driver without implementing proper driver model, so I add syscon to
>bindings.
>
>
>
>Best regards,
>Krzysztof
>

The nodes here are linked to the ethernet-node and syscon is only needed to get the regmap...the access to it is done by ethernet driver. It does work,but maybe not the right way...
regards Frank