irqchip: intc-irqpin: Initial DT support

Add initial DT support to the INTC External IRQ Pin
driver. At this point only hardware with 4-bit wide
sense registers is supported via DT.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 21f4602..fd5dabc 100644 (file)
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -278,6 +278,7 @@ static int intc_irqpin_irq_domain_map(struct irq_domain *h, unsigned int virq,
 
 static struct irq_domain_ops intc_irqpin_irq_domain_ops = {
        .map    = intc_irqpin_irq_domain_map,
+       .xlate  = irq_domain_xlate_twocell,
 };
 
 static int intc_irqpin_probe(struct platform_device *pdev)
@@ -437,11 +438,19 @@ static int intc_irqpin_remove(struct platform_device *pdev)
        return 0;
 }
 
+static const struct of_device_id intc_irqpin_dt_ids[] = {
+       { .compatible = "renesas,intc-irqpin", },
+       {},
+};
+MODULE_DEVICE_TABLE(of, intc_irqpin_dt_ids);
+
 static struct platform_driver intc_irqpin_device_driver = {
        .probe          = intc_irqpin_probe,
        .remove         = intc_irqpin_remove,
        .driver         = {
                .name   = "renesas_intc_irqpin",
+               .of_match_table = intc_irqpin_dt_ids,
+               .owner  = THIS_MODULE,
        }
 };