ARM: tegra: nyan: Correct interrupt trigger type of temperature sensor
authorDmitry Osipenko <digetx@gmail.com>
Mon, 2 Aug 2021 21:19:38 +0000 (00:19 +0300)
committerThierry Reding <treding@nvidia.com>
Fri, 13 Aug 2021 11:11:25 +0000 (13:11 +0200)
The LM90 temperature sensor should use edge-triggered interrupt because
LM90 hardware doesn't deassert interrupt line until temperature is back
to normal state, which results in interrupt storm. Correct the interrupt
trigger type.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
arch/arm/boot/dts/tegra124-nyan.dtsi

index 5f71add..63a8127 100644 (file)
@@ -91,7 +91,7 @@
                        compatible = "ti,tmp451";
                        reg = <0x4c>;
                        interrupt-parent = <&gpio>;
-                       interrupts = <TEGRA_GPIO(I, 6) IRQ_TYPE_LEVEL_LOW>;
+                       interrupts = <TEGRA_GPIO(I, 6) IRQ_TYPE_EDGE_FALLING>;
 
                        #thermal-sensor-cells = <1>;
                };