From: Krzysztof Kozlowski krzk@kernel.org
[ Upstream commit 9d816b423dab5b59beec5e39b97428feac599ba7 ]
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: 45dfa741df86 ("ARM: dts: qcom: msm8974-lge-nexus5: Add fuel gauge") Signed-off-by: Krzysztof Kozlowski krzk@kernel.org Acked-by: Iskren Chernev iskren.chernev@gmail.com Link: https://lore.kernel.org/r/20210303182816.137255-1-krzk@kernel.org Signed-off-by: Bjorn Andersson bjorn.andersson@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts index e769f638f205..4c6f54aa9f66 100644 --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts @@ -575,7 +575,7 @@ maxim,rcomp = /bits/ 8 <0x4d>;
interrupt-parent = <&msmgpio>; - interrupts = <9 IRQ_TYPE_EDGE_FALLING>; + interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default"; pinctrl-0 = <&fuelgauge_pin>;