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The HW implementation is compatible with the KPSS WDT. Signed-off-by: Abel Vesa --- Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml b/Doc= umentation/devicetree/bindings/watchdog/qcom-wdt.yaml index 54f5311ed016..f2c4bc900e5f 100644 --- a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml @@ -43,6 +43,7 @@ properties: - qcom,apss-wdt-sm6350 - qcom,apss-wdt-sm8150 - qcom,apss-wdt-sm8250 + - qcom,apss-wdt-x1e80100 - const: qcom,kpss-wdt - const: qcom,kpss-wdt deprecated: true --=20 2.48.1 From nobody Tue Dec 16 07:34:27 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A226530E837 for ; Sun, 14 Dec 2025 20:50:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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So describe the APSS WDT node in the EL2 overlay. Signed-off-by: Abel Vesa Reviewed-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/x1-el2.dtso | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/x1-el2.dtso b/arch/arm64/boot/dts/qco= m/x1-el2.dtso index 2d1c9151cf1b..404174a15659 100644 --- a/arch/arm64/boot/dts/qcom/x1-el2.dtso +++ b/arch/arm64/boot/dts/qcom/x1-el2.dtso @@ -7,6 +7,8 @@ /dts-v1/; /plugin/; =20 +#include + /* We can't and don't need to use zap shader in EL2 as linux can zap the g= pu on it's own. */ &gpu_zap_shader { status =3D "disabled"; @@ -55,3 +57,17 @@ &pcie_smmu { &sbsa_watchdog { status =3D "disabled"; }; + +&soc { + #address-cells =3D <2>; + #size-cells =3D <2>; + + /* The APSS watchdog is only accessible in EL2 */ + watchdog@17410000 { + compatible =3D "qcom,apss-wdt-x1e80100", "qcom,kpss-wdt"; + reg =3D <0x0 0x17410000 0x0 0x1000>; + clocks =3D <&sleep_clk>; + interrupts =3D ; + interrupt-parent =3D <&intc>; + }; +}; --=20 2.48.1