[PATCH v2 3/4] arm64: dts: qcom: monaco: add RAS error source nodes

Umang Chheda umang.chheda at oss.qualcomm.com
Mon Jul 20 01:19:53 PDT 2026


Add RAS error source nodes for the Monaco SoC.

Two processor error sources are described: a per-PE node covering the
L1/L2 cache hierarchy using a PPI, and two shared L3 cache nodes for
the two CPU clusters using SPIs.

Co-developed-by: Faruque Ansari <faruque.ansari at oss.qualcomm.com>
Signed-off-by: Faruque Ansari <faruque.ansari at oss.qualcomm.com>
Signed-off-by: Umang Chheda <umang.chheda at oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/monaco.dtsi | 30 ++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qcom/monaco.dtsi
index 64fc0d592282..4fbd1dc9a147 100644
--- a/arch/arm64/boot/dts/qcom/monaco.dtsi
+++ b/arch/arm64/boot/dts/qcom/monaco.dtsi
@@ -724,6 +724,36 @@ system_pd: power-domain-system {
 		};
 	};

+	ras-l1l2-0 {
+		compatible = "arm,ras-processor";
+		arm,num-records = <1>;
+		arm,record-impl = /bits/ 64 <0x1>;
+		arm,status-reporting = /bits/ 64 <0x1>;
+		cache = <&l2_0>;
+		interrupts = <GIC_PPI 0 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "fhi";
+	};
+
+	ras-l3-cluster0 {
+		compatible = "arm,ras-processor";
+		arm,num-records = <2>;
+		arm,record-impl = /bits/ 64 <0x2>;
+		arm,status-reporting = /bits/ 64 <0x2>;
+		cache = <&l3_0>;
+		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "fhi";
+	};
+
+	ras-l3-cluster1 {
+		compatible = "arm,ras-processor";
+		arm,num-records = <2>;
+		arm,record-impl = /bits/ 64 <0x2>;
+		arm,status-reporting = /bits/ 64 <0x2>;
+		cache = <&l3_1>;
+		interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "fhi";
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
--
2.34.1




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