linux-kernel - Re: [PATCH] arm64: dts: imx8qm-mek: fix mux-controller select/enable-gpios polarity

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Message-ID: <aRnNQ__Ukp_74XA5@dragon>
Date: Sun, 16 Nov 2025 21:10:27 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Xu Yang <xu.yang_2@....com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
	festevam@...il.com, Frank.Li@....com, jun.li@....com,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8qm-mek: fix mux-controller
 select/enable-gpios polarity

On Thu, Nov 13, 2025 at 07:14:44PM +0800, Xu Yang wrote:
> According to the board design, set SEL to high means flipped
> connection (TX2/RX2). And the TCPM will output logical 1 if it needs
> flipped connection. So switch to active high for select-gpios.
> The EN pin on mux chip is low active, so switch to active low for
> enable-gpios too.
> 
> Fixes: b237975b2cd5 ("arm64: dts: imx8qm-mek: add usb 3.0 and related type C nodes")
> Cc: stable@...r.kernel.org
> Reviewed-by: Jun Li <jun.li@....com>
> Signed-off-by: Xu Yang <xu.yang_2@....com>

Applied, thanks!