Get the irq number and virtual address to be used from the device tree. Initialise the timer using these parameters.
Signed-off-by: Shaju Abraham <[email protected]> --- arch/arm/plat-s5p/irq_dt.c | 29 +++++++++++++++++++++++------ 1 files changed, 23 insertions(+), 6 deletions(-) diff --git a/arch/arm/plat-s5p/irq_dt.c b/arch/arm/plat-s5p/irq_dt.c index 2fca196..317348f 100644 --- a/arch/arm/plat-s5p/irq_dt.c +++ b/arch/arm/plat-s5p/irq_dt.c @@ -58,7 +58,28 @@ static struct s3c_uart_irq uart_irqs[] = { }, #endif }; +int s5p_dt_init_vic_timer_irq(void) +{ + struct device_node *node; + int err = -ENODEV, irq = 0; + const u32 *prop; + u32 virt_irq = 0; + for_each_compatible_node(node, NULL , "samsung,s5p-timer") { + prop = of_get_property(node, "interrupts", NULL); + if (prop == NULL) { + printk(KERN_ERR "No Irq defined for %s timer\n", + node->name); + return err; + } + irq = of_read_ulong(prop, 1); + s3c_init_vic_timer_irq(S5P_IRQ_VIC0(irq), + S5P_TIMER_IRQ(virt_irq)); + virt_irq++; + } + of_node_put(node); + return 0; +} static int __init s5p_dt_vic_init(void) { @@ -88,11 +109,7 @@ void __init s5p_dt_init_irq(void) /* initialize the VICs */ s5p_dt_vic_init(); - s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0); - s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1); - s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2); - s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3); - s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4); - + if (s5p_dt_init_vic_timer_irq()) + printk(KERN_ERR"s5p_dt Timer init Failed\n"); s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs)); } -- 1.7.2 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
