Hi Laurent,
In 7e1092b5a264c4 ("gpio-rcar: Add support for IRQ_TYPE_EDGE_BOTH")
I added a 'has_both_edge_trigger' field to struct gpio_rcar_config.
Setting this adds support IRQ_TYPE_EDGE_BOTH. The motivation for
this was to allow use of the gpio-keys driver on the lager board.
I am now looking at enabling gpio-keys via DT for koelsch and lager
and find myself needing to set has_both_edge_trigger somehow.
I am wondering if you have any ideas on how best to do this.
So far I have two ideas:
1. Expose has_both_edge_trigger as a binding.
2. Set has_both_edge_trigger in the driver if the
compat string is renesas,gpio-r8a7791 or renesas,gpio-r8a7790
but not for other supported compat strings (as is currently the case).
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