linux-kernel - [PATCH v3 3/3] arm64: dts: qcom: x1-el2: Enable the APSS watchdog

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Message-Id: <20251224-arm64-dts-qcom-x1e80100-el2-add-apss-wdt-v3-3-1801c55d2883@oss.qualcomm.com>
Date: Wed, 24 Dec 2025 12:45:22 +0200
From: Abel Vesa <abel.vesa@....qualcomm.com>
To: Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: Stephan Gerhold <stephan.gerhold@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-watchdog@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Abel Vesa <abel.vesa@....qualcomm.com>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: [PATCH v3 3/3] arm64: dts: qcom: x1-el2: Enable the APSS watchdog

In EL2, the APSS watchdog is available. So enable it in the overlay.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/x1-el2.dtso | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1-el2.dtso b/arch/arm64/boot/dts/qcom/x1-el2.dtso
index 2d1c9151cf1b..175679be01eb 100644
--- a/arch/arm64/boot/dts/qcom/x1-el2.dtso
+++ b/arch/arm64/boot/dts/qcom/x1-el2.dtso
@@ -7,6 +7,10 @@
 /dts-v1/;
 /plugin/;
 
+&apss_watchdog {
+	status = "okay";
+};
+
 /* We can't and don't need to use zap shader in EL2 as linux can zap the gpu on it's own. */
 &gpu_zap_shader {
 	status = "disabled";

-- 
2.48.1