drivers: i2c: silabs: i2c driver for EFR series 2 devices

Added the i2c driver for EFR series 2 devices.

Signed-off-by: S Mohamed Fiaz <[email protected]>

Author: fimohame

drivers/i2c/CMakeLists.txt

@@ -67,6 +67,7 @@ zephyr_library_sources_ifdef(CONFIG_I2C_SBCON		i2c_sbcon.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_SC18IM704	i2c_sc18im704.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_SEDI		i2c_sedi.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_SIFIVE		i2c_sifive.c)
+zephyr_library_sources_ifdef(CONFIG_I2C_SILABS		i2c_silabs.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_SMARTBOND	i2c_smartbond.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_SY1XX		i2c_sy1xx.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_TCA954X		i2c_tca954x.c)

drivers/i2c/Kconfig

@@ -154,6 +154,7 @@ source "drivers/i2c/Kconfig.sbcon"
 source "drivers/i2c/Kconfig.sc18im704"
 source "drivers/i2c/Kconfig.sedi"
 source "drivers/i2c/Kconfig.sifive"
+source "drivers/i2c/Kconfig.silabs"
 source "drivers/i2c/Kconfig.smartbond"
 source "drivers/i2c/Kconfig.stm32"
 source "drivers/i2c/Kconfig.sy1xx"

drivers/i2c/Kconfig.silabs

@@ -0,0 +1,26 @@
+# Copyright (c) 2025 Silicon Laboratories Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig I2C_SILABS
+	bool "Silabs I2C_S2 driver"
+	default y
+	depends on DT_HAS_SILABS_I2C_ENABLED
+	select SILABS_SISDK_I2C
+	help
+		Enable I2C series 2 driver for the Silabs gecko SoC series.
+if I2C_SILABS
+
+config  I2C_SILABS_DMA
+	bool "DMA support for I2C operations"
+	depends on DMA
+	default y if $(dt_compat_any_has_prop,$(DT_COMPAT_SILABS_I2C),dmas)
+	help
+		Enable DMA mode for I2C DMA transfer.
+
+config I2C_SILABS_TIMEOUT
+	int "I2C operation timeout (milliseconds)"
+	default 1000
+	help
+		Specify the timeout value in milliseconds for I2C transfer.
+
+endif # I2C_SILABS