linux-kernel - [PATCH 3/3] ARM: dts: imx6ul/ull: suspend i.MX6UL watchdog in wait mode

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Message-Id: <20221019111714.1953262-4-andrej.picej@norik.com>
Date:   Wed, 19 Oct 2022 13:17:14 +0200
From:   Andrej Picej <andrej.picej@...ik.com>
To:     linux-watchdog@...r.kernel.org
Cc:     shawnguo@...nel.org, linux@...ck-us.net,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-imx@....com, festevam@...il.com,
        kernel@...gutronix.de, s.hauer@...gutronix.de,
        wim@...ux-watchdog.org, robh+dt@...nel.org
Subject: [PATCH 3/3] ARM: dts: imx6ul/ull: suspend i.MX6UL watchdog in wait mode

It was discovered that the watchdog triggers when the device is put into
"Suspend-To-Idle"/"freeze" low-power mode. Setting WDW bit disables
watchdog when the device is put into WAIT mode.

Signed-off-by: Andrej Picej <andrej.picej@...ik.com>
---
 arch/arm/boot/dts/imx6ul-phytec-phycore-som.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/imx6ul-phytec-phycore-som.dtsi b/arch/arm/boot/dts/imx6ul-phytec-phycore-som.dtsi
index 3cddc68917a0..5168ed0ffec3 100644
--- a/arch/arm/boot/dts/imx6ul-phytec-phycore-som.dtsi
+++ b/arch/arm/boot/dts/imx6ul-phytec-phycore-som.dtsi
@@ -102,6 +102,10 @@ &usdhc2 {
 	status = "disabled";
 };
 
+&wdog1 {
+	fsl,suspend-in-wait;
+};
+
 &iomuxc {
 	pinctrl_enet1: enet1grp {
 		fsl,pins = <
-- 
2.25.1