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Describing it as generic mmio=E2=80=91sram keeps the model simple and close= r to what the hardware actually is. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Kathiravan Thirumoorthy --- Documentation/devicetree/bindings/sram/qcom,imem.yaml | 1 - Documentation/devicetree/bindings/sram/sram.yaml | 1 + 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Docume= ntation/devicetree/bindings/sram/qcom,imem.yaml index c63026904061..576e627fbc11 100644 --- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml +++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml @@ -18,7 +18,6 @@ properties: items: - enum: - qcom,apq8064-imem - - qcom,ipq5424-imem - qcom,msm8226-imem - qcom,msm8974-imem - qcom,msm8976-imem diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentati= on/devicetree/bindings/sram/sram.yaml index eb695698a03e..2f594f60e1e6 100644 --- a/Documentation/devicetree/bindings/sram/sram.yaml +++ b/Documentation/devicetree/bindings/sram/sram.yaml @@ -36,6 +36,7 @@ properties: - nvidia,tegra234-sysram - qcom,eliza-imem - qcom,hawi-imem + - qcom,ipq5424-imem - qcom,kaanapali-imem - qcom,milos-imem - qcom,rpm-msg-ram --=20 2.34.1 From nobody Wed Jun 10 22:52:37 2026 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 BC6C639734B for ; 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Define the IMEM region to enable this functionality. As described, overall IMEM region is 112KB but only initial 4KB is accessible by all masters in the SoC. Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Signed-off-by: Kathiravan Thirumoorthy --- arch/arm64/boot/dts/qcom/ipq5424.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qc= om/ipq5424.dtsi index 876bf6a8b8ff..9b8410e32629 100644 --- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi @@ -730,6 +730,17 @@ ssphy_0: phy@7d000 { status =3D "disabled"; }; =20 + sram@8600000 { + compatible =3D "qcom,ipq5424-imem", "mmio-sram"; + reg =3D <0 0x08600000 0 0x1c000>; + ranges =3D <0 0 0x08600000 0x1c000>; + + no-memory-wc; + + #address-cells =3D <1>; + #size-cells =3D <1>; + }; + usb3: usb3@8af8800 { compatible =3D "qcom,ipq5424-dwc3", "qcom,dwc3"; reg =3D <0 0x08af8800 0 0x400>; --=20 2.34.1 From nobody Wed Jun 10 22:52:37 2026 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 ED83A3911C0 for ; 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Parse this information in the watchdog driver and update the bootstatus sysFS if the restart was triggered by a watchdog timeout. Reviewed-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Signed-off-by: Kathiravan Thirumoorthy --- arch/arm64/boot/dts/qcom/ipq5424.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qc= om/ipq5424.dtsi index 9b8410e32629..33ff00990513 100644 --- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi @@ -624,6 +624,7 @@ watchdog@f410000 { reg =3D <0 0x0f410000 0 0x1000>; interrupts =3D ; clocks =3D <&sleep_clk>; + sram =3D <&restart_reason>; }; =20 qusb_phy_1: phy@71000 { @@ -739,6 +740,10 @@ sram@8600000 { =20 #address-cells =3D <1>; #size-cells =3D <1>; + + restart_reason: restartreason-sram@7b0 { + reg =3D <0x7b0 0x4>; + }; }; =20 usb3: usb3@8af8800 { --=20 2.34.1