soc: silabs: Add support for SiLabs EFR32ZG23 SoC

Add support for Silicon Labs EFR32ZG23 SoC.

Signed-off-by: Yishai Jaffe <yishai1999@gmail.com>

soc/silabs/silabs_s2/efr32zg23/Kconfig

@@ -0,0 +1,25 @@
+# Copyright (c) 2024 Yishai Jaffe
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_EFR32ZG23
+	select ARM
+	select ARMV8_M_DSP
+	select ARM_TRUSTZONE_M
+	select CPU_CORTEX_M33
+	select CPU_CORTEX_M_HAS_DWT
+	select CPU_HAS_ARM_MPU
+	select CPU_HAS_ARM_SAU
+	select CPU_HAS_FPU
+	select HAS_PM
+	select HAS_SILABS_GECKO
+	select HAS_SWO
+	select SOC_GECKO_CMU
+	select SOC_GECKO_CORE
+	select SOC_GECKO_DEV_INIT
+	select SOC_GECKO_EMU
+	select SOC_GECKO_GPIO
+	select SOC_GECKO_HAS_RADIO
+	select SOC_GECKO_SE
+
+config SOC_GECKO_SDID
+	default 210 if SOC_SERIES_EFR32ZG23

soc/silabs/silabs_s2/efr32zg23/Kconfig.defconfig

@@ -0,0 +1,16 @@
+# Copyright (c) 2024 Yishai Jaffe
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_SERIES_EFR32ZG23
+
+config NUM_IRQS
+	# must be >= the highest interrupt number used
+	default 75
+
+config PM
+	select UART_INTERRUPT_DRIVEN
+
+config GPIO_GECKO
+	default y
+
+endif

soc/silabs/silabs_s2/efr32zg23/Kconfig.soc

@@ -0,0 +1,21 @@
+# Copyright (c) 2024 Yishai Jaffe
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_EFR32ZG23
+	bool
+	select SOC_FAMILY_SILABS_S2
+	help
+	  Silicon Labs EFR32ZG23 Series MCU
+
+config SOC_PART_NUMBER_EFR32ZG23B020F512IM48
+	bool
+	select SOC_SERIES_EFR32ZG23
+
+config SOC_SERIES
+	default "efr32zg23" if SOC_SERIES_EFR32ZG23
+
+config SOC
+	default "efr32zg23b020f512im48" if SOC_PART_NUMBER_EFR32ZG23B020F512IM48
+
+config SOC_PART_NUMBER
+	default "EFR32ZG23B020F512IM48" if SOC_PART_NUMBER_EFR32ZG23B020F512IM48

soc/silabs/silabs_s2/efr32zg23/soc.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2024 Yishai Jaffe
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file
+ * @brief Register access macros for the EFR32ZG23 SoC
+ *
+ */
+
+#ifndef EFR32ZG23_SOC_H_
+#define EFR32ZG23_SOC_H_
+
+#ifndef _ASMLANGUAGE
+
+#include <em_common.h>
+#include "../common/soc_gpio.h"
+
+#endif /* !_ASMLANGUAGE */
+
+#endif /* EFR32ZG23_SOC_H_ */

soc/silabs/soc.yml

@@ -55,6 +55,9 @@ family:
       - name: efr32bg27
         socs:
           - name: efr32bg27c140f768im40
+      - name: efr32zg23
+        socs:
+          - name: efr32zg23b020f512im48
   - name: silabs_sim3
     series:
       - name: sim3u