On Thu, Oct 16, 2025 at 11:23:55AM +0200, Rasmus Villemoes wrote: > In scripts as well as interactively, it's much nicer to be able to > refer to GPIOs via their names defined in the device tree property > "gpio-line-names", instead of the rather opaque names derived from the > bank name with a _xx suffix. E.g. > > gpio read factory_reset FACTORY_RESET > if test $factory_reset = 1 ; then ... > > versus > > gpio read factory_reset gpio@481ac000_16 > if test $factory_reset = 1 ; then ... > > This is also consistent with the move on the linux/userspace side towards > using line names instead of legacy chip+offset or the even more legacy > global gpio numbering in sysfs. > > As this seems to only add about ~50 bytes of code to U-Boot proper, > and dm_gpio_lookup_name() most often ends up being GC'ed for SPL, so > adds no overhead there, adding yet another config knob (or two, if it > also needed an SPL variant) for this does not seem warranted. > > Signed-off-by: Rasmus Villemoes <[email protected]> > --- > > v2: guard the the dev_read_stringlist_search() call by > CONFIG_IS_ENABLED(OF_CONTROL) to avoid link failure on !OF_CONTROL > platforms.
Frustratingly this is still a failure to build for imx28_btt3 and imx28_xea, in SPL. -- Tom
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