[PATCH 05/14] ARM: kirkwood: add interrupt controller to devicetree.
Jason Cooper
jason at lakedaemon.net
Wed Mar 7 14:44:46 EST 2012
Based on work by Michael Walle (commit a952154).
Used just the intc portion of the patch, fixed the register address, and
used of_find_compatible_node() instead.
Signed-off-by: Michael Walle <michael at walle.cc>
Signed-off-by: Jason Cooper <jason at lakedaemon.net>
---
arch/arm/boot/dts/kirkwood.dtsi | 9 ++++++++-
arch/arm/mach-kirkwood/board-dt.c | 7 +++++++
2 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index 702b955..7896a1d 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -2,5 +2,12 @@
/ {
compatible = "mrvl,kirkwood";
-};
+ interrupt-parent = <&intc>;
+ intc: interrupt-controller at fed20200 {
+ compatible = "mrvl,orion-intc";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ reg = <0xfed20200 0x20>;
+ };
+};
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index f514b42..f9f446b 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/irqdomain.h>
#include <linux/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
@@ -159,6 +160,8 @@ static void __init dreamplug_init(void)
static void __init kirkwood_dt_init(void)
{
+ struct device_node *node;
+
pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
/*
@@ -175,6 +178,10 @@ static void __init kirkwood_dt_init(void)
kirkwood_l2_init();
#endif
+ node = of_find_compatible_node(NULL, NULL, "mrvl,orion-intc");
+ if (node)
+ irq_domain_add_simple(node, 0);
+
/* internal devices that every board has */
kirkwood_rtc_init();
kirkwood_wdt_init();
--
1.7.3.4
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