void __init at91_gpio_irq_setup(void)
{
unsigned pioc, pin;
- struct at91_gpio_bank *this, *prev;
+ struct at91_gpio_chip *this, *prev;
- for (pioc = 0, pin = PIN_BASE, this = gpio, prev = NULL;
+ for (pioc = 0, pin = PIN_BASE, this = gpio_chip, prev = NULL;
pioc++ < gpio_banks;
prev = this, this++) {
- unsigned id = this->id;
+ unsigned id = this->bank->id;
unsigned i;
- /* enable PIO controller's clock */
- clk_enable(this->bank->clock);
-
__raw_writel(~0, this->regbase + PIO_IDR);
- for (i = 0, pin = this->chipbase; i < 32; i++, pin++) {
+ for (i = 0, pin = this->chip.base; i < 32; i++, pin++) {
lockdep_set_class(&irq_desc[pin].lock, &gpio_lock_class);
/*
BUG_ON(nr_banks > MAX_GPIO_BANKS);
- gpio = data;
gpio_banks = nr_banks;
- for (i = 0, last = NULL; i < nr_banks; i++, last = data, data++) {
- data->chipbase = PIN_BASE + i * 32;
- data->regbase = data->offset + (void __iomem *)AT91_VA_BASE_SYS;
+ for (i = 0; i < nr_banks; i++) {
+ at91_gpio = &gpio_chip[i];
+
+ at91_gpio->bank = &data[i];
+ at91_gpio->chip.base = PIN_BASE + i * 32;
+ at91_gpio->regbase = at91_gpio->bank->offset +
+ (void __iomem *)AT91_VA_BASE_SYS;
- clk_enable(data->clock);
+ /* enable PIO controller's clock */
- /*
- * Some processors share peripheral ID between multiple GPIO banks.
- * SAM9263 (PIOC, PIOD, PIOE)
- * CAP9 (PIOA, PIOB, PIOC, PIOD)
- */
- if (last && last->id == data->id)
- last->next = data;
++ clk_enable(at91_gpio->bank->clock);
+
+ /* AT91SAM9263_ID_PIOCDE groups PIOC, PIOD, PIOE */
+ if (last && last->bank->id == at91_gpio->bank->id)
+ last->next = at91_gpio;
+ last = at91_gpio;
+
+ gpiochip_add(&at91_gpio->chip);
}
}