ARM: shmobile: armadillo-reference: Use low level IRQ for ST1231

The device is configured to generate an active-low interrupt signal that
needs to be acknowledged by the host. Configure the IRQ to trigger on
low level.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index aef425f..7b80f19 100644 (file)
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -95,7 +95,7 @@
                compatible = "sitronix,st1232";
                reg = <0x55>;
                interrupt-parent = <&irqpin1>;
-               interrupts = <2 IRQ_TYPE_NONE>; /* IRQ10: hwirq 2 on irqpin1 */
+               interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
                pinctrl-0 = <&st1232_pins>;
                pinctrl-names = "default";
                gpios = <&pfc 166 GPIO_ACTIVE_LOW>;