linux-kernel - [PATCH 02/15] arm64: dts: imx8mm-phycore-som: Fix bluetooth wakeup source

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Message-Id: <20241125081814.397352-3-andrej.picej@norik.com>
Date: Mon, 25 Nov 2024 09:18:01 +0100
From: Andrej Picej <andrej.picej@...ik.com>
To: shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	upstream@...ts.phytec.de
Subject: [PATCH 02/15] arm64: dts: imx8mm-phycore-som: Fix bluetooth wakeup source

Not using pull-up on the host wake-up line triggers the wake up
immediately after device enters suspend. Fix this by enabling internal
pull-up and setting interrupt triggering on the falling edge.

Signed-off-by: Andrej Picej <andrej.picej@...ik.com>
---
 arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
index 5eacbd9611ee..31d5c57d3c24 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
@@ -255,7 +255,7 @@ bluetooth {
 		device-wakeup-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>;
 		interrupt-names = "host-wakeup";
 		interrupt-parent = <&gpio2>;
-		interrupts = <9 IRQ_TYPE_EDGE_BOTH>;
+		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
 		max-speed = <2000000>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_bt>;
@@ -332,7 +332,7 @@ pinctrl_bt: btgrp {
 		fsl,pins = <
 			MX8MM_IOMUXC_SD1_DATA4_GPIO2_IO6	0x00
 			MX8MM_IOMUXC_SD1_DATA6_GPIO2_IO8	0x00
-			MX8MM_IOMUXC_SD1_DATA7_GPIO2_IO9	0x00
+			MX8MM_IOMUXC_SD1_DATA7_GPIO2_IO9	0x140
 		>;
 	};
 
-- 
2.34.1