On 10.12.2020 22:28, Krzysztof Kozlowski wrote:
> 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 <[email protected]>
> ---
> arch/arm/boot/dts/exynos5420-arndale-octa.dts | 2 +-
Tested-by: Marek Szyprowski <[email protected]>
> 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 bf457d0c02eb..1aad4859c5f1 100644
> --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> @@ -349,7 +349,7 @@ pmic@66 {
> reg = <0x66>;
>
> interrupt-parent = <&gpx3>;
> - interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
> + interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
> pinctrl-names = "default";
> pinctrl-0 = <&s2mps11_irq>;
>
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
