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[5.12,145/677] ARM: dts: exynos: correct fuel gauge interrupt trigger level on GT-I9100

Message ID 20210512144842.064761522@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman May 12, 2021, 2:43 p.m. UTC 
From: Krzysztof Kozlowski <krzk@kernel.org>

[ Upstream commit 46799802136670e00498f19898f1635fbc85f583 ]

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: 8620cc2f99b7 ("ARM: dts: exynos: Add devicetree file for the Galaxy S2")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201210212534.216197-1-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/exynos4210-i9100.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts
index 304a8ee2364c..d98c78207aaf 100644
--- a/arch/arm/boot/dts/exynos4210-i9100.dts
+++ b/arch/arm/boot/dts/exynos4210-i9100.dts
@@ -136,7 +136,7 @@ 
 			compatible = "maxim,max17042";
 
 			interrupt-parent = <&gpx2>;
-			interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+			interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
 
 			pinctrl-0 = <&max17042_fuel_irq>;
 			pinctrl-names = "default";