ARM: dts: Enable PMIC interrupts for exynos4412-odroid-common

The ODROID kernel shows that the PMIC interrupt line is hooked up
to pin GPX3-2.

This is needed for the max77686-irq driver to create the PMIC IRQ
domain, which is needed by max77686-rtc.

Signed-off-by: Daniel Drake <drake@endlessm.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Tested-by: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index 6d6d23c83d30..cb6f55f24ccf 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -148,6 +148,10 @@
 
                 max77686: pmic@09 {
                         compatible = "maxim,max77686";
+                        interrupt-parent = <&gpx3>;
+                        interrupts = <2 0>;
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&max77686_irq>;
                         reg = <0x09>;
                         #clock-cells = <1>;
 
@@ -368,4 +372,11 @@
                 samsung,pins = "gpx1-3";
                 samsung,pin-pud = <0>;
         };
+
+        max77686_irq: max77686-irq {
+                samsung,pins = "gpx3-2";
+                samsung,pin-function = <0>;
+                samsung,pin-pud = <0>;
+                samsung,pin-drv = <0>;
+        };
 };