Thread (3 messages) 3 messages, 3 authors, 2020-02-14

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

From: Shawn Guo <shawnguo@kernel.org>
Date: 2020-02-14 03:11:08
Also in: linux-devicetree, lkml

On Wed, Jan 29, 2020 at 10:53:36PM +0100, Stefan Agner wrote:
From: Stefan Agner <redacted>

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 <redacted>
Applied, thanks.

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