ARM: dts: exynos: correct PMIC interrupt trigger level on Monk
authorKrzysztof Kozlowski <krzk@kernel.org>
Thu, 10 Dec 2020 21:28:56 +0000 (22:28 +0100)
committerKrzysztof Kozlowski <krzk@kernel.org>
Tue, 29 Dec 2020 15:44:19 +0000 (16:44 +0100)
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: e0cefb3f79d3 ("ARM: dts: add board dts file for Exynos3250-based Monk board")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201210212903.216728-2-krzk@kernel.org
arch/arm/boot/dts/exynos3250-monk.dts

index 6945156..fae046e 100644 (file)
        pmic@66 {
                compatible = "samsung,s2mps14-pmic";
                interrupt-parent = <&gpx0>;
-               interrupts = <7 IRQ_TYPE_NONE>;
+               interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
                reg = <0x66>;
                wakeup-source;