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arm64: dts: exynos: correct PMIC interrupt trigger level on Espresso

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[ Upstream commit 1fea2eb2f5bbd3fbbe2513d2386b5f6e6db17fd7 ]

The Samsung PMIC datasheets describe the interrupt line as active low
with a requirement of acknowledge from the CPU.  Without specifying the
interrupt type in Devicetree, kernel might apply some fixed
configuration, not necessarily working for this hardware.

Fixes: 9589f7721e ("arm64: dts: Add S2MPS15 PMIC node on exynos7-espresso")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201210212903.216728-8-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2020-12-10 22:29:02 +01:00 • committed by Greg Kroah-Hartman
commit 9ab4364ecd
1 changed files with 1 additions and 1 deletions
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arch/arm64/boot/dts/exynos/exynos7-espresso.dts
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@ -90,7 +90,7 @@
s2mps15_pmic@66 {
compatible = "samsung,s2mps15-pmic";
reg = <0x66>;
interrupts = <2 IRQ_TYPE_NONE>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
interrupt-parent = <&gpa0>;
pinctrl-names = "default";
pinctrl-0 = <&pmic_irq>;