soc: renesas: Add initial support for Renesas RZ/G2L

Add initial support for Renesas RZ/G2L

Signed-off-by: Tien Nguyen <tien.nguyen.zg@renesas.com>
Signed-off-by: Nhut Nguyen <nhut.nguyen.kc@renesas.com>

soc/renesas/rz/rzg2l/CMakeLists.txt

@@ -0,0 +1,8 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_sources(soc.c)
+
+zephyr_include_directories(.)
+
+set(SOC_LINKER_SCRIPT ${ZEPHYR_BASE}/include/zephyr/arch/arm/cortex_m/scripts/linker.ld CACHE INTERNAL "")

soc/renesas/rz/rzg2l/Kconfig

@@ -0,0 +1,10 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_RZG2L
+	select ARM
+	select CPU_CORTEX_M33
+	select CPU_HAS_ARM_MPU
+	select HAS_RENESAS_RZ_FSP
+	select CPU_CORTEX_M_HAS_DWT
+	select SOC_EARLY_INIT_HOOK

soc/renesas/rz/rzg2l/Kconfig.defconfig

@@ -0,0 +1,24 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_SERIES_RZG2L
+
+config NUM_IRQS
+	default 480
+
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default	$(dt_node_int_prop_int,/cpus/cpu@0,clock-frequency)
+
+config FLASH_SIZE
+	default $(dt_chosen_reg_size_int,$(DT_CHOSEN_Z_FLASH),0,K)
+
+config FLASH_BASE_ADDRESS
+	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH))
+
+config SYS_CLOCK_EXISTS
+	default y
+
+config INIT_ARCH_HW_AT_BOOT
+	default y
+
+endif # SOC_SERIES_RZG2L

soc/renesas/rz/rzg2l/Kconfig.soc

@@ -0,0 +1,24 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_RZG2L
+	bool
+	select SOC_FAMILY_RENESAS_RZ
+	help
+	  Renesas RZ/G2L series
+
+config SOC_SERIES
+	default "rzg2l" if SOC_SERIES_RZG2L
+
+config SOC_R9A07G044L23GBG
+	bool
+	select SOC_SERIES_RZG2L
+	help
+	  R9A07G044L23GBG
+
+config SOC_R9A07G044L23GBG_CM33
+	bool
+	select SOC_R9A07G044L23GBG
+
+config SOC
+	default "r9a07g044l23gbg" if SOC_R9A07G044L23GBG

soc/renesas/rz/rzg2l/pinctrl_soc.h

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef ZEPHYR_SOC_RENESAS_RZ_RZG2L_PINCTRL_SOC_H_
+#define ZEPHYR_SOC_RENESAS_RZ_RZG2L_PINCTRL_SOC_H_
+
+#include <pinctrl_rzg.h>
+
+#endif /* ZEPHYR_SOC_RENESAS_RZ_RZG2L_PINCTRL_SOC_H_ */

soc/renesas/rz/rzg2l/soc.c

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file
+ * @brief System/hardware module for Renesas RZ/G2L Group
+ */
+
+#include <zephyr/init.h>
+#include <bsp_api.h>
+
+/* System core clock is set to 200 MHz after reset */
+uint32_t SystemCoreClock = 200000000;
+
+void soc_early_init_hook(void)
+{
+	bsp_clock_init();
+}

soc/renesas/rz/rzg2l/soc.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef ZEPHYR_SOC_RENESAS_RZG2L_SOC_H_
+#define ZEPHYR_SOC_RENESAS_RZG2L_SOC_H_
+
+#include <bsp_api.h>
+
+#endif /* ZEPHYR_SOC_RENESAS_RZG2L_SOC_H_ */

soc/renesas/rz/soc.yml

@@ -4,6 +4,11 @@ family:
       - name: rza3ul
         socs:
           - name: r9a07g063u02gbg
+      - name: rzg2l
+        socs:
+          - name: r9a07g044l23gbg
+            cpuclusters:
+              - name: cm33
       - name: rzg3s
         socs:
           - name: r9a08g045s33gbg