soc: microchip: Add support for PIC32CX SG SoC series

Adds initial SoC-level support for the Microchip
PIC32CX SG series, including SoC definition files.

Signed-off-by: Muhammed Asif <[email protected]>

Author: mchp-asif

soc/microchip/pic32c/pic32cx_sg/CMakeLists.txt

@@ -0,0 +1,5 @@
+# Copyright (c) 2025 Microchip Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+add_subdirectory(common)
+zephyr_include_directories(${SOC_SERIES})

soc/microchip/pic32c/pic32cx_sg/Kconfig

@@ -0,0 +1,12 @@
+# Copyright (c) 2025 Microchip Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_FAMILY_MICROCHIP_PIC32CX_SG
+	select ARM
+	select MICROCHIP_PIC32C
+	select CPU_CORTEX_M4
+	select CPU_CORTEX_M_HAS_DWT
+	select CPU_HAS_ARM_MPU
+	select CPU_HAS_FPU
+	select HAS_CMSIS_CORE
+	select HAS_SEGGER_RTT if ZEPHYR_SEGGER_MODULE

soc/microchip/pic32c/pic32cx_sg/Kconfig.defconfig

@@ -0,0 +1,12 @@
+# Copyright (c) 2025 Microchip Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_FAMILY_MICROCHIP_PIC32CX_SG
+
+config NUM_IRQS
+	default 137
+
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default $(dt_node_int_prop_int,/cpus/cpu@0,clock-frequency)
+
+endif # SOC_FAMILY_MICROCHIP_PIC32CX_SG

soc/microchip/pic32c/pic32cx_sg/Kconfig.soc

@@ -0,0 +1,10 @@
+# Copyright (c) 2025 Microchip Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_FAMILY_MICROCHIP_PIC32CX_SG
+	bool
+
+config SOC_FAMILY
+	default "microchip_pic32cx_sg" if SOC_FAMILY_MICROCHIP_PIC32CX_SG
+
+rsource "*/Kconfig.soc"

soc/microchip/pic32c/pic32cx_sg/common/CMakeLists.txt

@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Microchip Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+set(SOC_LINKER_SCRIPT ${ZEPHYR_BASE}/include/zephyr/arch/arm/cortex_m/scripts/linker.ld CACHE INTERNAL "")

soc/microchip/pic32c/pic32cx_sg/pic32cx_sg41/Kconfig.soc

@@ -0,0 +1,33 @@
+# Copyright (c) 2025 Microchip Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_PIC32CX_SG41
+	bool
+	select SOC_FAMILY_MICROCHIP_PIC32CX_SG
+	help
+	  Enable support for Microchip PIC32CX SG41 Cortex-M4F microcontrollers.
+
+config SOC_SERIES
+	default "pic32cx_sg41" if SOC_SERIES_PIC32CX_SG41
+
+config SOC_PIC32CX1025SG41064
+	bool
+	select SOC_SERIES_PIC32CX_SG41
+
+config SOC_PIC32CX1025SG41080
+	bool
+	select SOC_SERIES_PIC32CX_SG41
+
+config SOC_PIC32CX1025SG41100
+	bool
+	select SOC_SERIES_PIC32CX_SG41
+
+config SOC_PIC32CX1025SG41128
+	bool
+	select SOC_SERIES_PIC32CX_SG41
+
+config SOC
+	default "pic32cx1025sg41064" if SOC_PIC32CX1025SG41064
+	default "pic32cx1025sg41080" if SOC_PIC32CX1025SG41080
+	default "pic32cx1025sg41100" if SOC_PIC32CX1025SG41100
+	default "pic32cx1025sg41128" if SOC_PIC32CX1025SG41128

soc/microchip/pic32c/pic32cx_sg/pic32cx_sg41/soc.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025 Microchip Technology Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef SOC_MICROCHIP_PIC32CX_SG41_H_
+#define SOC_MICROCHIP_PIC32CX_SG41_H_
+
+#ifndef _ASMLANGUAGE
+
+#include <zephyr/types.h>
+
+#if defined(CONFIG_SOC_PIC32CX1025SG41064)
+#include <pic32cx1025sg41064.h>
+#elif defined(CONFIG_SOC_PIC32CX1025SG41080)
+#include <pic32cx1025sg41080.h>
+#elif defined(CONFIG_SOC_PIC32CX1025SG41100)
+#include <pic32cx1025sg41100.h>
+#elif defined(CONFIG_SOC_PIC32CX1025SG41128)
+#include <pic32cx1025sg41128.h>
+#else
+#error "Library does not support the specified device."
+#endif
+
+#endif /* _ASMLANGUAGE */
+
+#endif /* SOC_MICROCHIP_PIC32CX_SG41_H_ */

soc/microchip/pic32c/pic32cx_sg/pic32cx_sg60/Kconfig.soc

@@ -0,0 +1,23 @@
+# Copyright (c) 2025 Microchip Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_PIC32CX_SG60
+	bool
+	select SOC_FAMILY_MICROCHIP_PIC32CX_SG
+	help
+	  Enable support for Microchip PIC32CX SG60 Cortex-M4F microcontrollers.
+
+config SOC_SERIES
+	default "pic32cx_sg60" if SOC_SERIES_PIC32CX_SG60
+
+config SOC_PIC32CX1025SG60100
+	bool
+	select SOC_SERIES_PIC32CX_SG60
+
+config SOC_PIC32CX1025SG60128
+	bool
+	select SOC_SERIES_PIC32CX_SG60
+
+config SOC
+	default "pic32cx1025sg60100" if SOC_PIC32CX1025SG60100
+	default "pic32cx1025sg60128" if SOC_PIC32CX1025SG60128

soc/microchip/pic32c/pic32cx_sg/pic32cx_sg60/soc.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2025 Microchip Technology Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef SOC_MICROCHIP_PIC32CX_SG60_H_
+#define SOC_MICROCHIP_PIC32CX_SG60_H_
+
+#ifndef _ASMLANGUAGE
+
+#include <zephyr/types.h>
+
+#if defined(CONFIG_SOC_PIC32CX1025SG60100)
+#include <pic32cx1025sg60100.h>
+#elif defined(CONFIG_SOC_PIC32CX1025SG60128)
+#include <pic32cx1025sg60128.h>
+#else
+#error "Library does not support the specified device."
+#endif
+
+#endif /* _ASMLANGUAGE */
+
+#endif /* SOC_MICROCHIP_PIC32CX_SG60_H_ */

soc/microchip/pic32c/pic32cx_sg/pic32cx_sg61/Kconfig.soc

@@ -0,0 +1,23 @@
+# Copyright (c) 2025 Microchip Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_PIC32CX_SG61
+	bool
+	select SOC_FAMILY_MICROCHIP_PIC32CX_SG
+	help
+	  Enable support for Microchip PIC32CX SG61 Cortex-M4F microcontrollers.
+
+config SOC_SERIES
+	default "pic32cx_sg61" if SOC_SERIES_PIC32CX_SG61
+
+config SOC_PIC32CX1025SG61100
+	bool
+	select SOC_SERIES_PIC32CX_SG61
+
+config SOC_PIC32CX1025SG61128
+	bool
+	select SOC_SERIES_PIC32CX_SG61
+
+config SOC
+	default "pic32cx1025sg61100" if SOC_PIC32CX1025SG61100
+	default "pic32cx1025sg61128" if SOC_PIC32CX1025SG61128