[nrf fromtree] soc: arm: nordic_nrf: nrf91: add nRF9151 LACA

This patch adds definitions for the nRF9151,
which is software-compatible with nRF9161.

Signed-off-by: Maximilian Deubel <[email protected]>
(cherry picked from commit efa030b32c874ea6840d509b1a80002497239bc7)

dts/arm/nordic/nrf9151_laca.dtsi

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <nordic/nrf91.dtsi>
+
+&flash0 {
+	reg = <0x00000000 DT_SIZE_K(1024)>;
+};
+
+&sram0 {
+	reg = <0x20000000 DT_SIZE_K(256)>;
+};
+
+/ {
+	soc {
+		compatible = "nordic,nrf9151-laca", "nordic,nrf9120",
+			     "nordic,nrf91", "simple-bus";
+	};
+};

dts/arm/nordic/nrf9151ns_laca.dtsi

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <nordic/nrf91ns.dtsi>
+
+&flash0 {
+	reg = <0x00000000 DT_SIZE_K(1024)>;
+};
+
+&sram0 {
+	reg = <0x20000000 DT_SIZE_K(256)>;
+};
+
+/ {
+	soc {
+		compatible = "nordic,nrf9151-laca", "nordic,nrf9120",
+			     "nordic,nrf91", "simple-bus";
+	};
+};

soc/arm/nordic_nrf/nrf91/Kconfig.defconfig.nrf9151_LACA

@@ -0,0 +1,14 @@
+# Nordic Semiconductor nRF9151 MCU
+
+# Copyright (c) 2023 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_NRF9151_LACA
+
+config SOC
+	default "nRF9151_LACA"
+
+config NUM_IRQS
+	default 65
+
+endif # SOC_NRF9151_LACA

soc/arm/nordic_nrf/nrf91/Kconfig.soc

@@ -34,6 +34,10 @@ config SOC_NRF9131_LACA
 	bool "NRF9131_LACA"
 	select SOC_NRF9120
 
+config SOC_NRF9151_LACA
+	bool "NRF9151_LACA"
+	select SOC_NRF9120
+
 endchoice
 
 config NRF_ENABLE_ICACHE