linux-kernel - Re: [PATCH v1 0/4] add syscon requirement for mt7988

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Message-ID: <126053ef-3bfb-47c2-aa17-eb1d26d99102@collabora.com>
Date: Wed, 10 Jul 2024 12:45:57 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: 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>,
 Wim Van Sebroeck <wim@...ux-watchdog.org>, Guenter Roeck <linux@...ck-us.net>
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
 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 0/4] add syscon requirement for mt7988

Il 09/07/24 12:13, Frank Wunderlich ha scritto:
> From: Frank Wunderlich <frank-w@...lic-files.de>
> 
> Some nodes require the syscon fallback at least in u-boot when using
> OF_UPSTREAM.
> 
> This is because uboot driver uses syscon_node_to_regmap in mtk_eth.c for
> "mediatek,toprgu", "mediatek,xfi_pll" and reset pointing to watchdog-node.
> 

I wonder what's the major blocker here to modify the u-boot driver to take
the upstream devicetree as-is, instead of using syscon_node_to_regmap?

Regards,
Angelo

> Frank Wunderlich (4):
>    dt-bindings: watchdog: mediatek,mtk-wdt: add MT7988 syscon requirement
>    dt-bindings: clock: mediatek: add syscon requirement for mt7988
>      xfi-pll
>    dt-bindings: clock: mediatek: add syscon requirement for mt7988
>      ethwarp
>    arm64: dts: mediatek: mt7988: add syscon for watchdog, xfi-pll and
>      ethwarp
> 
>   .../devicetree/bindings/clock/mediatek,mt7988-ethwarp.yaml | 6 ++++--
>   .../devicetree/bindings/clock/mediatek,mt7988-xfi-pll.yaml | 7 +++++--
>   .../devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml     | 5 ++++-
>   arch/arm64/boot/dts/mediatek/mt7988a.dtsi                  | 6 +++---
>   4 files changed, 16 insertions(+), 8 deletions(-)
>