arch/nrf91: add GPIOTE support#19128
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Port the GPIOTE driver from nrf53, which shares the same secure/non-secure TrustZone split. The non-secure application uses GPIOTE1 (the register base and interrupt are selected by the build security domain). This provides GPIO edge interrupts, e.g. for board buttons. Signed-off-by: raiden00pl <raiden00@railab.me>
Add CONFIG_NRF91_GPIOTE1_NS so the secure firmware can hand the non-secure GPIOTE instance to the application, allowing a non-secure app to use GPIO interrupts. Signed-off-by: raiden00pl <raiden00@railab.me>
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Area: Build system
Arch: arm
select ARCH_HAVE_IRQBUTTONS so ARCH_IRQBUTTONS can be enabled. Signed-off-by: raiden00pl <raiden00@railab.me>
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xiaoxiang781216
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Jun 13, 2026
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Summary
Ported from NRF53
Impact
new feature: gpio interrupts
Testing
thingy91 with button state over lwm2m