diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-at91.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index f10fad2079c5..676b199d6d22 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1255,9 +1255,33 @@ static int at91_gpio_irq_map(struct irq_domain *h, unsigned int virq, return 0; } +int at91_gpio_irq_domain_xlate(struct irq_domain *d, struct device_node *ctrlr, + const u32 *intspec, unsigned int intsize, + irq_hw_number_t *out_hwirq, unsigned int *out_type) +{ + struct at91_gpio_chip *at91_gpio = d->host_data; + int ret; + int pin = at91_gpio->chip.base + intspec[0]; + + if (WARN_ON(intsize < 2)) + return -EINVAL; + *out_hwirq = intspec[0]; + *out_type = intspec[1] & IRQ_TYPE_SENSE_MASK; + + ret = gpio_request(pin, ctrlr->full_name); + if (ret) + return ret; + + ret = gpio_direction_input(pin); + if (ret) + return ret; + + return 0; +} + static struct irq_domain_ops at91_gpio_ops = { .map = at91_gpio_irq_map, - .xlate = irq_domain_xlate_twocell, + .xlate = at91_gpio_irq_domain_xlate, }; static int at91_gpio_of_irq_setup(struct device_node *node, |