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[4/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Spring

Message ID 20201210212903.216728-4-krzk@kernel.org (mailing list archive)
State Accepted
Headers show
Series [1/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Artik 5 | expand

Commit Message

Krzysztof Kozlowski Dec. 10, 2020, 9:28 p.m. UTC
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: 53dd4138bb0a ("ARM: dts: Add exynos5250-spring device tree")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 arch/arm/boot/dts/exynos5250-spring.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts
index 9d2baea62d0d..fba1462b19df 100644
--- a/arch/arm/boot/dts/exynos5250-spring.dts
+++ b/arch/arm/boot/dts/exynos5250-spring.dts
@@ -109,7 +109,7 @@  pmic@66 {
 		compatible = "samsung,s5m8767-pmic";
 		reg = <0x66>;
 		interrupt-parent = <&gpx3>;
-		interrupts = <2 IRQ_TYPE_NONE>;
+		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
 		wakeup-source;