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drivers: interrupt: pint: Add API to get pin used IRQ slot #100635

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drivers: interrupt: pint: Add API to get pin used IRQ slot #100635

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16 changes: 16 additions & 0 deletions drivers/interrupt_controller/intc_nxp_pint.c
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Original file line number Diff line number Diff line change
Expand Up @@ -175,6 +175,22 @@ void nxp_pint_pin_unset_callback(uint8_t pin)
pint_irq_cfg[slot].callback = NULL;
}

int nxp_pint_pin_get_slot_index(uint8_t pin)
{
int slot;

if (pin > ARRAY_SIZE(pin_pint_id)) {
return -EINVAL;
}

slot = pin_pint_id[pin];
if (slot == NO_PINT_ID) {
return -EINVAL;
}

return slot;
}

/* NXP PINT ISR handler- called with PINT slot ID */
static void nxp_pint_isr(uint8_t *slot)
{
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7 changes: 7 additions & 0 deletions include/zephyr/drivers/interrupt_controller/nxp_pint.h
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Original file line number Diff line number Diff line change
Expand Up @@ -79,5 +79,12 @@ int nxp_pint_pin_set_callback(uint8_t pin, nxp_pint_cb_t cb, void *data);
*/
void nxp_pint_pin_unset_callback(uint8_t pin);

/**
* @brief Get PINT slot index the pin is allocated to
*
* @param pin: The pin to get the PINT slot index for
* @return The allocated slot index, if not allocated, return -EINVAL.
*/
int nxp_pint_pin_get_slot_index(uint8_t pin);

#endif /* ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_NXP_PINT_H_ */
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