diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-04-09 19:36:36 +0800 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2012-07-02 14:26:58 +0200 |
| commit | c65739437045c351a2a0ddb834719b9d616d4d47 (patch) | |
| tree | 826ed94708ffb268b978dfe65c7d3b8fe2d29832 /arch/arm/mach-at91 | |
| parent | 42a859daaf6af4d234fcf964a421666d5cca3f6a (diff) | |
| download | linux-c65739437045c351a2a0ddb834719b9d616d4d47.tar.bz2 | |
ARM: at91: aic add dt support for external irqs
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9x5.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/irq.c | 12 |
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c index 1b144b4d3ce1..537710b68982 100644 --- a/arch/arm/mach-at91/at91sam9x5.c +++ b/arch/arm/mach-at91/at91sam9x5.c @@ -312,8 +312,6 @@ static void __init at91sam9x5_map_io(void) void __init at91sam9x5_initialize(void) { - at91_extern_irq = (1 << AT91SAM9X5_ID_IRQ0); - /* Register GPIO subsystem (using DT) */ at91_gpio_init(NULL, 0); } diff --git a/arch/arm/mach-at91/irq.c b/arch/arm/mach-at91/irq.c index 2d5d4c88a527..df8605fd7bad 100644 --- a/arch/arm/mach-at91/irq.c +++ b/arch/arm/mach-at91/irq.c @@ -194,6 +194,10 @@ static struct irq_domain_ops at91_aic_irq_ops = { int __init at91_aic_of_init(struct device_node *node, struct device_node *parent) { + struct property *prop; + const __be32 *p; + u32 val; + at91_aic_base = of_iomap(node, 0); at91_aic_np = node; @@ -202,6 +206,14 @@ int __init at91_aic_of_init(struct device_node *node, if (!at91_aic_domain) panic("Unable to add AIC irq domain (DT)\n"); + at91_extern_irq = 0; + of_property_for_each_u32(node, "atmel,external-irqs", prop, p, val) { + if (val > 31) + pr_warn("AIC: external irq %d > 31 skip it\n", val); + else + at91_extern_irq |= (1 << val); + } + irq_set_default_host(at91_aic_domain); at91_aic_hw_init(NR_AIC_IRQS); |