diff options
| -rw-r--r-- | drivers/irqchip/irq-atmel-aic-common.c | 28 | ||||
| -rw-r--r-- | drivers/irqchip/irq-atmel-aic-common.h | 2 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-atmel-aic-common.c b/drivers/irqchip/irq-atmel-aic-common.c index 4705bdbc6e7b..6ae3cdee0681 100644 --- a/drivers/irqchip/irq-atmel-aic-common.c +++ b/drivers/irqchip/irq-atmel-aic-common.c @@ -139,6 +139,34 @@ static void __init aic_common_ext_irq_of_init(struct irq_domain *domain) } } +#define AT91_RTC_IDR 0x24 +#define AT91_RTC_IMR 0x28 +#define AT91_RTC_IRQ_MASK 0x1f + +void __init aic_common_rtc_irq_fixup(struct device_node *root) +{ + struct device_node *np; + void __iomem *regs; + + np = of_find_compatible_node(root, NULL, "atmel,at91rm9200-rtc"); + if (!np) + np = of_find_compatible_node(root, NULL, + "atmel,at91sam9x5-rtc"); + + if (!np) + return; + + regs = of_iomap(np, 0); + of_node_put(np); + + if (!regs) + return; + + writel(AT91_RTC_IRQ_MASK, regs + AT91_RTC_IDR); + + iounmap(regs); +} + void __init aic_common_irq_fixup(const struct of_device_id *matches) { struct device_node *root = of_find_node_by_path("/"); diff --git a/drivers/irqchip/irq-atmel-aic-common.h b/drivers/irqchip/irq-atmel-aic-common.h index aa0a42c36a7f..90aa00e918d6 100644 --- a/drivers/irqchip/irq-atmel-aic-common.h +++ b/drivers/irqchip/irq-atmel-aic-common.h @@ -32,6 +32,8 @@ struct irq_domain *__init aic_common_of_init(struct device_node *node, const struct irq_domain_ops *ops, const char *name, int nirqs); +void __init aic_common_rtc_irq_fixup(struct device_node *root); + void __init aic_common_irq_fixup(const struct of_device_id *matches); #endif /* __IRQ_ATMEL_AIC_COMMON_H */ |