linux-kernel - [PATCH 3/5] ARM: dts: exynos: add pinctrl for midas fuelgauge irq pin

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Date:   Sat, 21 Jul 2018 22:50:51 +1000
From:   Simon Shields <simon@...eageos.org>
To:     linux-samsung-soc@...r.kernel.org
Cc:     Simon Shields <simon@...eageos.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] 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@...eageos.org>
---
 arch/arm/boot/dts/exynos4412-midas.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi
index 6f7b564905ab..6a6364a9debd 100644
--- a/arch/arm/boot/dts/exynos4412-midas.dtsi
+++ b/arch/arm/boot/dts/exynos4412-midas.dtsi
@@ -206,6 +206,8 @@
 			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>;
@@ -1138,6 +1140,11 @@
 		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>;
-- 
2.18.0