[PATCH v6 3/3] gpio: search for gpio label if gpio is not found through bank name

Michal Simek monstr at monstr.eu
Mon Jul 20 10:30:47 CEST 2020

Hi Heiko,

pá 22. 5. 2020 v 11:10 odesílatel Heiko Schocher <hs at denx.de> napsal:
> dm_gpio_lookup_name() searches for a gpio through
> the bank name. But we have also gpio labels, and it
> makes sense to search for a gpio also in the labels
> we have defined, if no gpio is found through the
> bank name definition.
> This is useful for example if you have a wp pin on
> different gpios on different board versions.
> If dm_gpio_lookup_name() searches also for the gpio labels,
> you can give the gpio an unique label name and search
> for this label, and do not need to differ between
> board revisions.
> Signed-off-by: Heiko Schocher <hs at denx.de>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> ---
> Example on the aristainetos board:
> => gpio clear wp_spi_nor.gpio-hog
> gpio: pin wp_spi_nor.gpio-hog (gpio 47) value is 0
> =>
> before this patch, you need to know where your
> pin is:
> => gpio clear GPIO2_15
> gpio: pin GPIO2_15 (gpio 47) value is 0
> =>

I spotted this patch and I am curious if you have thought about also
supporting gpio-line-names.


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