summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mxs
diff options
context:
space:
mode:
authorShawn Guo <shawn.guo@linaro.org>2012-05-04 14:32:35 +0800
committerShawn Guo <shawn.guo@linaro.org>2012-05-12 13:32:19 +0800
commitce4c6f9b5987ac9402788c518bc5bd8b8572aa1e (patch)
treeb065be1ed1491eccc226ae9b0e000cfb203331ee /arch/arm/mach-mxs
parent4052d45e800ce33e1993fb70604941547ed73d26 (diff)
ARM: mxs: add gpio support for device tree boot
It adds gpio support for device tree boot. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/mach-mxs')
-rw-r--r--arch/arm/mach-mxs/mach-mxs.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 182ea7529d2..8cac94b3302 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -30,8 +30,20 @@ static int __init mxs_icoll_add_irq_domain(struct device_node *np,
return 0;
}
+static int __init mxs_gpio_add_irq_domain(struct device_node *np,
+ struct device_node *interrupt_parent)
+{
+ static int gpio_irq_base = MXS_GPIO_IRQ_START;
+
+ irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops, NULL);
+ gpio_irq_base += 32;
+
+ return 0;
+}
+
static const struct of_device_id mxs_irq_match[] __initconst = {
{ .compatible = "fsl,mxs-icoll", .data = mxs_icoll_add_irq_domain, },
+ { .compatible = "fsl,mxs-gpio", .data = mxs_gpio_add_irq_domain, },
{ /* sentinel */ }
};