linux-imx

        aic = gc->private;

        aic->ext_irqs |= (1 << (hwirq % 32));

    }

}

​

#define AT91_RTC_IDR           0x24

#define AT91_RTC_IMR           0x28

#define AT91_RTC_IRQ_MASK      0x1f

​

{

    struct device_node *np;

    void __iomem *regs;

​

    np = of_find_compatible_node(NULL, NULL, "atmel,at91rm9200-rtc");

    if (!np)

        np = of_find_compatible_node(NULL, NULL,

                         "atmel,at91sam9x5-rtc");

​

    if (!np)

    writel(AT91_RTC_IRQ_MASK, regs + AT91_RTC_IDR);

​

    iounmap(regs);

}

​

#define AT91_RTT_MR     0x00            /* Real-time Mode Register */

#define AT91_RTT_ALMIEN     (1 << 16)       /* Alarm Interrupt Enable */

#define AT91_RTT_RTTINCIEN  (1 << 17)       /* Real Time Timer Increment Interrupt Enable */

​

{

    struct device_node *np;

    void __iomem *regs;

​

    /*

     * The at91sam9263 SoC has 2 instances of the RTT block, hence we

     * iterate over the DT to find each occurrence.

     */

    for_each_compatible_node(np, NULL, "atmel,at91sam9260-rtt") {

        regs = of_iomap(np, 0);

    struct device_node *root = of_find_node_by_path("/");

    const struct of_device_id *match;

​

    if (!root)

        return;

​

    match = of_match_node(matches, root);

​

    if (match) {

    }

​

    of_node_put(root);

}

​

struct irq_domain *__init aic_common_of_init(struct device_node *node,

                         const struct irq_domain_ops *ops,

                         const char *name, int nirqs,

                         const struct of_device_id *matches)

{