From: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
[ Upstream commit c731a16e2cf424a462c7d42c33d6acd613576508 ]
The Maxim fuel gauge datasheets describe the interrupt line as active
low with a requirement of acknowledge from the CPU. The falling edge
interrupt will mostly work but it's not correct.
Fixes: f48b5050c301 ("ARM: dts: exynos: add Samsung's Exynos4412-based P4 Note boards")
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201210212534.216197-2-krzk@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/arm/boot/dts/exynos4412-p4note.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/exynos4412-p4note.dtsi b/arch/arm/boot/dts/exynos4412-p4note.dtsi
index b2f9d5448a18..5fe371543cbb 100644
--- a/arch/arm/boot/dts/exynos4412-p4note.dtsi
+++ b/arch/arm/boot/dts/exynos4412-p4note.dtsi
@@ -146,7 +146,7 @@
pinctrl-0 = <&fuel_alert_irq>;
pinctrl-names = "default";
interrupt-parent = <&gpx2>;
- interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
maxim,rsns-microohm = <10000>;
maxim,over-heat-temp = <600>;
maxim,over-volt = <4300>;
--
2.30.2
