ARM: dts: exynos: Disable pull control for S5M8767 PMIC

S5M8767 PMIC interrupt line on Exynos5250-based Arndale board has
external pull-up resistors, so disable any pull control for it in
in controller node. This fixes support for S5M8767 interrupts and
enables operation of wakeup from S5M8767 RTC alarm.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 88f060a1f081..7d1f2dc59038 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -231,6 +231,8 @@
                 reg = <0x66>;
                 interrupt-parent = <&gpx3>;
                 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+                pinctrl-names = "default";
+                pinctrl-0 = <&s5m8767_irq>;
 
                 vinb1-supply = <&main_dc_reg>;
                 vinb2-supply = <&main_dc_reg>;
@@ -591,6 +593,13 @@
         cap-sd-highspeed;
 };
 
+&pinctrl_0 {
+        s5m8767_irq: s5m8767-irq {
+                samsung,pins = "gpx3-2";
+                samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+        };
+};
+
 &rtc {
         status = "okay";
 };