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Date:   Mon, 8 Mar 2021 09:30:30 +0800
From:   Shawn Guo <shawnguo@kernel.org>
To:     Philippe Schenker <philippe.schenker@toradex.com>
Cc:     devicetree@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: colibri-imx6ull: Change drive strength for
 usdhc2
Message-ID: <20210308013009.GT543@dragon>
References: <20210304093139.471554-1-philippe.schenker@toradex.com>
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On Thu, Mar 04, 2021 at 10:31:39AM +0100, Philippe Schenker wrote:
> The current setting reflects about 86 Ohms of source-impedance
> on the SDIO signals where the WiFi board is hooked up. PCB traces are
> routed with 50 Ohms impedance and there are no serial resistors on
> those traces.
> 
> This commit changes the source-impedance to 52 Ohms to better match our
> hardware design.
> 
> The impedances given in this commit message refer to 3.3V operation.
> 
> Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>

Applied, thanks.