Cherry-pick nRF9280 PDK board configuration fixes from upstream

boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280-memory_map_iron.dtsi

@@ -16,16 +16,19 @@
 
 / {
 	reserved-memory {
-		cpuapp_cpusys_ipc_shm: memory@2f88f600 {
-			reg = <0x2f88f600 0x80>;
+		/* Workaround for a data cache related issue with SoC1.1, use secure addresses
+		 * for cpuapp_cpusys_ipc_shm, cpusys_cpuapp_ipc_shm and cpusec_cpuapp_ipc_shm.
+		 */
+		cpuapp_cpusys_ipc_shm: memory@3f88f600 {
+			reg = <0x3f88f600 0x80>;
 		};
 
-		cpusys_cpuapp_ipc_shm: memory@2f88f680 {
-			reg = <0x2f88f680 0x80>;
+		cpusys_cpuapp_ipc_shm: memory@3f88f680 {
+			reg = <0x3f88f680 0x80>;
 		};
 
-		cpusec_cpuapp_ipc_shm: memory@2f88fb80 {
-			reg = <0x2f88fb80 0x80>;
+		cpusec_cpuapp_ipc_shm: memory@3f88fb80 {
+			reg = <0x3f88fb80 0x80>;
 		};
 
 		cpuapp_ironside_se_event_report: memory@2f88fc00 {

boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280_cpuapp_iron_0_2_0.overlay

@@ -5,3 +5,48 @@
  */
 
 #include "nrf9280pdk_nrf9280-pinctrl_0_2_0.dtsi"
+
+/ {
+	aliases {
+		pwm-led0 = &pwm_led2; /* Alias for compatibility with samples that use pwm-led0 */
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led0: led_0 {
+			gpios = <&gpio9 0 GPIO_ACTIVE_HIGH>;
+			label = "Green LED 0";
+		};
+
+		led1: led_1 {
+			gpios = <&gpio9 1 GPIO_ACTIVE_HIGH>;
+			label = "Green LED 1";
+		};
+
+		led2: led_2 {
+			gpios = <&gpio9 2 GPIO_ACTIVE_HIGH>;
+			label = "Green LED 2";
+		};
+
+		led3: led_3 {
+			gpios = <&gpio9 3 GPIO_ACTIVE_HIGH>;
+			label = "Green LED 3";
+		};
+	};
+
+	pwmleds {
+		compatible = "pwm-leds";
+
+		/delete-node/ pwm_led_0;
+
+		/*
+		 * There is no valid hardware configuration to pass PWM signal on pins 0 and 1.
+		 * First valid config is P9.2. This corresponds to LED 2.
+		 * Signal on PWM130's channel 0 can be passed directly on GPIO Port 9 pin 2.
+		 */
+		pwm_led2: pwm_led_2 {
+			pwms = <&pwm130 0 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+		};
+	};
+};