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Merge branch 'irqchip/atmel' into irqchip/core

hifive-unleashed-5.1
Jason Cooper 2014-11-26 07:02:27 +00:00
parent 2f90bce7ff 25963dbd07
commit 377df64a16
3 changed files with 49 additions and 5 deletions
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26
drivers/irqchip/irq-atmel-aic-common.c
View File

@ -167,6 +167,32 @@ void __init aic_common_rtc_irq_fixup(struct device_node *root)
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 */
void __init aic_common_rtt_irq_fixup(struct device_node *root)
{
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);
if (!regs)
continue;
writel(readl(regs + AT91_RTT_MR) &
~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN),
regs + AT91_RTT_MR);
iounmap(regs);
}
}
void __init aic_common_irq_fixup(const struct of_device_id *matches)
{
struct device_node *root = of_find_node_by_path("/");

2
drivers/irqchip/irq-atmel-aic-common.h
View File

@ -34,6 +34,8 @@ struct irq_domain *__init aic_common_of_init(struct device_node *node,
void __init aic_common_rtc_irq_fixup(struct device_node *root);
void __init aic_common_rtt_irq_fixup(struct device_node *root);
void __init aic_common_irq_fixup(const struct of_device_id *matches);
#endif /* __IRQ_ATMEL_AIC_COMMON_H */

26
drivers/irqchip/irq-atmel-aic.c
View File

@ -209,16 +209,32 @@ static const struct irq_domain_ops aic_irq_ops = {
.xlate = aic_irq_domain_xlate,
};
static void __init at91sam9_aic_irq_fixup(struct device_node *root)
static void __init at91rm9200_aic_irq_fixup(struct device_node *root)
{
aic_common_rtc_irq_fixup(root);
}
static void __init at91sam9260_aic_irq_fixup(struct device_node *root)
{
aic_common_rtt_irq_fixup(root);
}
static void __init at91sam9g45_aic_irq_fixup(struct device_node *root)
{
aic_common_rtc_irq_fixup(root);
aic_common_rtt_irq_fixup(root);
}
static const struct of_device_id __initdata aic_irq_fixups[] = {
{ .compatible = "atmel,at91sam9g45", .data = at91sam9_aic_irq_fixup },
{ .compatible = "atmel,at91sam9n12", .data = at91sam9_aic_irq_fixup },
{ .compatible = "atmel,at91sam9rl", .data = at91sam9_aic_irq_fixup },
{ .compatible = "atmel,at91sam9x5", .data = at91sam9_aic_irq_fixup },
{ .compatible = "atmel,at91rm9200", .data = at91rm9200_aic_irq_fixup },
{ .compatible = "atmel,at91sam9g45", .data = at91sam9g45_aic_irq_fixup },
{ .compatible = "atmel,at91sam9n12", .data = at91rm9200_aic_irq_fixup },
{ .compatible = "atmel,at91sam9rl", .data = at91sam9g45_aic_irq_fixup },
{ .compatible = "atmel,at91sam9x5", .data = at91rm9200_aic_irq_fixup },
{ .compatible = "atmel,at91sam9260", .data = at91sam9260_aic_irq_fixup },
{ .compatible = "atmel,at91sam9261", .data = at91sam9260_aic_irq_fixup },
{ .compatible = "atmel,at91sam9263", .data = at91sam9260_aic_irq_fixup },
{ .compatible = "atmel,at91sam9g20", .data = at91sam9260_aic_irq_fixup },
{ /* sentinel */ },
};