* [PATCH v1 1/1] arm64: dts: imx8mm-var-som: fix touchscreen IRQ trigger
@ 2026-10-18 17:00 Stefano Radaelli
2026-10-22 20:36 ` Frank.Li
0 siblings, 1 reply; 2+ messages in thread
From: Stefano Radaelli @ 2026-10-18 17:00 UTC (permalink / raw)
To: Frank Li, linux-kernel, devicetree, imx, linux-arm-kernel
Cc: pierluigi.p, Stefano Radaelli, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Sascha Hauer, Pengutronix Kernel Team,
Fabio Estevam, Shawn Guo, Luan Rafael Carneiro
From: Stefano Radaelli <stefano.r@variscite.com>
The touchscreen interrupt is configured as level-high, causing a
pending wakeup that prevents Symphony from entering suspend.
Change the interrupt to falling-edge so the board can suspend
with touchscreen wakeup enabled.
Fixes: 5f67317bd967 ("arm64: dts: imx8mm: correct interrupt flags")
Co-developed-by: Luan Rafael Carneiro <luan.r@variscite.com>
Signed-off-by: Luan Rafael Carneiro <luan.r@variscite.com>
Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
---
arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
index fd0a1862ce90..5a60430eb96a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
@@ -192,7 +192,7 @@ ft5x06_ts: touchscreen@38 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_captouch>;
interrupt-parent = <&gpio5>;
- interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
touchscreen-size-x = <800>;
touchscreen-size-y = <480>;
--
2.47.3
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH v1 1/1] arm64: dts: imx8mm-var-som: fix touchscreen IRQ trigger
2026-10-18 17:00 [PATCH v1 1/1] arm64: dts: imx8mm-var-som: fix touchscreen IRQ trigger Stefano Radaelli
@ 2026-10-22 20:36 ` Frank.Li
0 siblings, 0 replies; 2+ messages in thread
From: Frank.Li @ 2026-10-22 20:36 UTC (permalink / raw)
To: linux-kernel, devicetree, imx, linux-arm-kernel, Stefano Radaelli
Cc: Frank Li, pierluigi.p, Stefano Radaelli, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam, Shawn Guo,
Luan Rafael Carneiro
From: Frank Li <Frank.Li@nxp.com>
On Sun, 18 Oct 2026 19:00:07 +0200, Stefano Radaelli wrote:
> The touchscreen interrupt is configured as level-high, causing a
> pending wakeup that prevents Symphony from entering suspend.
>
> Change the interrupt to falling-edge so the board can suspend
> with touchscreen wakeup enabled.
>
>
> [...]
Applied to imx/dt64-intend (will appear to linux-next after v7.4-rc1),
thanks!
[1/1] arm64: dts: imx8mm-var-som: fix touchscreen IRQ trigger
commit: 57a0877fb852d8aa596e410eacd0903f956fab20
Best regards,
--
Frank Li <Frank.Li@nxp.com>
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