linux-kernel - Re: [PATCH] arm64: dts: imx8mm-beacon: Fix ecspi2 pinmux

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Date:   Sat, 31 Dec 2022 20:44:03 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Adam Ford <aford173@...il.com>
Cc:     linux-arm-kernel@...ts.infradead.org, cstevens@...conembedded.com,
        aford@...conembedded.com, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mm-beacon: Fix ecspi2 pinmux

On Fri, Dec 02, 2022 at 01:10:37PM -0600, Adam Ford wrote:
> Early hardware did not support hardware handshaking on the UART, but
> final production hardware did.  When the hardware was updated the chip
> select was changed to facilitate hardware handshaking on UART3.  Fix the
> ecspi2 pin mux to eliminate a pin conflict with UART3 and allow the
> EEPROM to operate again.
> 
> Fixes: 4ce01ce36d77 ("arm64: dts: imx8mm-beacon: Enable RTS-CTS on UART3")
> Signed-off-by: Adam Ford <aford173@...il.com>

Applied, thanks!