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[5.12,147/677] ARM: dts: exynos: correct fuel gauge interrupt trigger level on Midas family

Message ID 20210512144842.126700364@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

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

[ Upstream commit 8a45f33bd36efbb624198cfa9fdf1f66fd1c3d26 ]

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: e8614292cd41 ("ARM: dts: Add Maxim 77693 fuel gauge node for exynos4412-trats2")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201210212534.216197-3-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/exynos4412-midas.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi
index 111c32bae02c..b8b75dc81aa1 100644
--- a/arch/arm/boot/dts/exynos4412-midas.dtsi
+++ b/arch/arm/boot/dts/exynos4412-midas.dtsi
@@ -221,7 +221,7 @@ 
 		fuel-gauge@36 {
 			compatible = "maxim,max17047";
 			interrupt-parent = <&gpx2>;
-			interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+			interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&max77693_fuel_irq>;
 			reg = <0x36>;