linux-kernel - Re: [PATCH] ARM: dts: imx7-colibri: add gpio-line-names

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Message-ID: <20200214031056.GM22842@dragon>
Date:   Fri, 14 Feb 2020 11:10:57 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Stefan Agner <stefan@...er.ch>
Cc:     s.hauer@...gutronix.de, philippe.schenker@...adex.com,
        marcel.ziswiler@...adex.com, max.krummenacher@...adex.com,
        robh+dt@...nel.org, mark.rutland@....com, kernel@...gutronix.de,
        festevam@...il.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Stefan Agner <stefan.agner@...adex.com>
Subject: Re: [PATCH] ARM: dts: imx7-colibri: add gpio-line-names

On Wed, Jan 29, 2020 at 10:53:36PM +0100, Stefan Agner wrote:
> From: Stefan Agner <stefan.agner@...adex.com>
> 
> Add Colibri SODIMM numbers as GPIO line names on module level. The GPIO
> lines with a name are all available on the SODIMM edge connector of the
> Colibri iMX7 module and therefore a customer might use it as a GPIO. The
> Toradex Evaluation Board has the SODIMM numbers printed on the silk-
> screen. This allows a customer to quickly control a GPIO on a pin-header
> by using the name printed next to it.
> 
> Putting the GPIO line name on module level makes sure that a customer
> gets a reasonable default. If more meaningful names are available on a
> custom carrier board, the user can overwrite the line names in a carrier
> board level device tree.
> 
> The eMMC based modules share all GPIO names except two GPIOs on bank 6
> which are not available on the raw NAND devices. Hence overwrite GPIO
> line names of bank 6 in the eMMC specific device tree file.
> 
> Signed-off-by: Stefan Agner <stefan.agner@...adex.com>

Applied, thanks.