ARM: dts: exynos: Add pinctrl for Midas fuelgauge IRQ pin

This pin is externally pulled up, so we should disable the SoC's
pull down resistor in order for the interrupt to function properly.

Signed-off-by: Simon Shields <simon@lineageos.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi
index 635e5ea87a6c0e36ca2be01c917e6b5282e275e2..58b298d8441c54949ed98916c8ba2e9150261b1e 100644 (file)
--- a/arch/arm/boot/dts/exynos4412-midas.dtsi
+++ b/arch/arm/boot/dts/exynos4412-midas.dtsi
@@ -188,6 +188,8 @@ max77693-fuel-gauge@36 {
                        compatible = "maxim,max17047";
                        interrupt-parent = <&gpx2>;
                        interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&max77693_fuel_irq>;
                        reg = <0x36>;
 
                        maxim,over-heat-temp = <700>;
@@ -1021,6 +1023,11 @@ max77693_irq: max77693-irq {
                samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
        };
 
+       max77693_fuel_irq: max77693-fuel-irq {
+               samsung,pins = "gpx2-3";
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
        hdmi_hpd: hdmi-hpd {
                samsung,pins = "gpx3-7";
                samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;