FROMLIST: arm64: dts: qcom: lemans: add AEST error nodes

Add AEST RAS error source nodes for the Lemans SoC.

The DT describes a processor error source covering all CPU cores and a
shared L3 cache error source for the cluster. These nodes model the
hardware error reporting blocks and associated interrupts as required
by the Arm AEST specification.

Link: https://lore.kernel.org/lkml/20260505-aest-devicetree-support-v1-7-d5d6ffacf0a5@oss.qualcomm.com/
Co-developed-by: Faruque Ansari <faruque.ansari@oss.qualcomm.com>
Signed-off-by: Faruque Ansari <faruque.ansari@oss.qualcomm.com>
Signed-off-by: Umang Chheda <umang.chheda@oss.qualcomm.com>

Author: umang-chheda

arch/arm64/boot/dts/qcom/lemans.dtsi

@@ -4,6 +4,7 @@
  * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
+#include <dt-bindings/arm/aest.h>
 #include <dt-bindings/interconnect/qcom,icc.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,dsi-phy-28nm.h>
@@ -30,6 +31,46 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aest {
+		compatible = "arm,aest";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		aest-processor-0 {
+			compatible = "arm,aest-processor";
+			arm,num-records = <1>;
+			arm,record-impl = /bits/ 64 <0x0>;
+			arm,status-reporting = /bits/ 64 <0x0>;
+			arm,addressing-mode = /bits/ 64 <0x0>;
+			arm,processor-flags = <AEST_PROC_GLOBAL>;
+			interrupts = <GIC_PPI 0 IRQ_TYPE_LEVEL_LOW>;
+			interrupt-names = "fhi";
+		};
+
+		aest-l3-cluster0 {
+			compatible = "arm,aest-processor";
+			arm,num-records = <2>;
+			arm,record-impl = /bits/ 64 <0x1>;
+			arm,status-reporting = /bits/ 64 <0x0>;
+			arm,addressing-mode = /bits/ 64 <0x0>;
+			arm,processor-flags = <AEST_PROC_SHARED>;
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "fhi";
+		};
+
+		aest-l3-cluster1 {
+			compatible = "arm,aest-processor";
+			arm,num-records = <2>;
+			arm,record-impl = /bits/ 64 <0x1>;
+			arm,status-reporting = /bits/ 64 <0x0>;
+			arm,addressing-mode = /bits/ 64 <0x0>;
+			arm,processor-flags = <AEST_PROC_SHARED>;
+			interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "fhi";
+		};
+	};
+
 	clocks {
 		xo_board_clk: xo-board-clk {
 			compatible = "fixed-clock";