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From: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@oss.qualcomm.com>
Date: Tue, 08 Apr 2025 14:19:56 +0530
Subject: [PATCH RFC 6/6] arm64: dts: qcom: ipq5424: add node for the
restart reason information
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| Series |
Add support to read the restart reason from IMEM
|
expand
|
diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi index a772736f314f46d11c473160c522af4edeb900b7..d399ae506748b22c1dc653d357c6fd071dd67f04 100644 --- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi @@ -493,6 +493,11 @@ sram@8600000 { #address-cells = <1>; #size-cells = <1>; + + restart-reason@7b0 { + compatible = "qcom,restart-reason-info"; + reg = <0x7b0 0x4>; + }; }; usb3: usb3@8a00000 {
Add a child node to the IMEM region to capture the system restart reason in Qualcomm IPQ SoCs. This information is populated by the WDT driver via bootstatus sysfs. Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@oss.qualcomm.com> --- arch/arm64/boot/dts/qcom/ipq5424.dtsi | 5 +++++ 1 file changed, 5 insertions(+)