ARM: dts: Enable PMIC interrupts on ODROID

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>
Tested-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index 6d6d23c..cb6f55f 100644 (file)
--- 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>;
+       };
 };