[PATCH 4.19 031/247] ARM: dts: exynos: correct PMIC interrupt trigger level on Arndale Octa

From: Greg Kroah-Hartman
Date: Mon Mar 01 2021 - 22:43:27 EST


From: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

[ Upstream commit 1ac8893c4fa3d4a34915dc5cdab568a39db5086c ]

The Samsung PMIC 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: 1fed2252713e ("ARM: dts: fix pinctrl for s2mps11-irq on exynos5420-arndale-octa")
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20201210212903.216728-5-krzk@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/arm/boot/dts/exynos5420-arndale-octa.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
index a370857beac0d..fbaca74cbaea4 100644
--- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
+++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -84,7 +84,7 @@
reg = <0x66>;

interrupt-parent = <&gpx3>;
- interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&s2mps11_irq>;

--
2.27.0