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From: Lucas Stach <l.stach@pengutronix.de>
To: Shawn Guo <shawnguo@kernel.org>
Cc: devicetree@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
	kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org,
	patchwork-lst@pengutronix.de
Subject: [PATCH 09/10] arm64: dts: zii-ultra: only trigger IRQ on falling edge ucs1002 ALERT pin
Date: Mon, 25 Jan 2021 19:47:35 +0100	[thread overview]
Message-ID: <20210125184736.1226435-9-l.stach@pengutronix.de> (raw)
In-Reply-To: <20210125184736.1226435-1-l.stach@pengutronix.de>

The ALERT signaling happens on the falling edge of the signal, as rising
edge doesn't really have any notion, as it may happen much later (due to
shared IRQ line) or too early if the chip resolves the fault itself. So
only trigger the IRQ on the edge we are actually interested in.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
index edbde9ed4caf..4dc8383478ee 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
@@ -304,7 +304,7 @@
 		reg = <0x32>;
 		interrupt-parent = <&gpio3>;
 		interrupts = <17 IRQ_TYPE_EDGE_BOTH>,
-		             <18 IRQ_TYPE_EDGE_BOTH>;
+		             <18 IRQ_TYPE_EDGE_FALLING>;
 		interrupt-names = "a_det", "alert";
 	};
 
-- 
2.20.1


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  parent reply	other threads:[~2021-01-25 18:50 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-25 18:47 [PATCH 01/10] ARM: dts: imx6: rdu2: enable WDOG1 Lucas Stach
2021-01-25 18:47 ` [PATCH 02/10] ARM: dts: imx6: RDU2: reduce i2c drive-strength Lucas Stach
2021-01-25 18:47 ` [PATCH 03/10] ARM: dts: imx6: RDU2: enable RMI4 reduced reporting Lucas Stach
2021-01-25 18:47 ` [PATCH 04/10] ARM: dts: imx6: RDU2: only trigger IRQ on falling edge ucs1002 ALERT pin Lucas Stach
2021-01-25 18:47 ` [PATCH 05/10] ARM: dts: imx6: RDU2: adjust audio devices nomenclature Lucas Stach
2021-01-25 18:47 ` [PATCH 06/10] arm64: dts: zii-ultra: add sound support Lucas Stach
2021-01-25 18:47 ` [PATCH 07/10] arm64: dts: zii-ultra: fix i2c pin configuration Lucas Stach
2021-01-25 18:47 ` [PATCH 08/10] arm64: dts: zii-ultra: limit USB ports to USB2 speed Lucas Stach
2021-01-25 18:47 ` Lucas Stach [this message]
2021-01-25 18:47 ` [PATCH 10/10] arm64: dts: zii-rmb3: enable RMI4 reduced reporting Lucas Stach
2021-01-30 13:55 ` [PATCH 01/10] ARM: dts: imx6: rdu2: enable WDOG1 Shawn Guo

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