linux-kernel - Re: [PATCH] arm64: dts: mediatek: cherry: Specify pull resistance for RSEL GPIOs

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Message-ID: <1fc31d16-dbc6-4d92-b594-27f7df3d6215@notapiano>
Date: Mon, 29 Jul 2024 17:16:19 -0400
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: 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>
Cc: kernel@...labora.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] arm64: dts: mediatek: cherry: Specify pull resistance
 for RSEL GPIOs

On Fri, May 31, 2024 at 05:51:09PM -0400, Nícolas F. R. A. Prado wrote:
> GPIOs 34 and 35 on MT8195 are of type MTK_PULL_PU_PD_RSEL_TYPE, meaning
> not only can they be configured as pull-up or pull-down, but the pull
> resistance can also be configured.
> 
> The current bias setting however doesn't specify a resistance value,
> resulting on the following errors:
> 
> mt8195-pinctrl 10005000.pinctrl: Not support rsel value 1 Ohm for pin = 34 (GPIO34)
> mt8195-pinctrl 10005000.pinctrl: Not support rsel value 1 Ohm for pin = 35 (GPIO35)
> 
> Specify the pull resistance for those GPIOs to fix the errors.
> 
> Fixes: 5bf7dabe40f2 ("arm64: dts: mediatek: cherry: Document gpios and add default pin config")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

Hi Angelo,

it seems this patch fell through the cracks. Do you want me to rebase & resend
it? 

Same question for this patch:
https://lore.kernel.org/all/20240606-mt8195-dma-scp-node-err-v2-1-e14702e9d3f2@collabora.com/

Thanks,
Nícolas