drivers: i2c: Base OMAP I2C support for TI-K3 processor

The OMAP I2C provides support for I2C serial interface on TI K3 series.
It is compatible with Philips I2C physical layer.
The commit includes:
Zephyr i2c api implementation
Polling Mode

Signed-off-by: Dhruv Menon <[email protected]>

Author: malto101

drivers/i2c/CMakeLists.txt

@@ -48,6 +48,7 @@ zephyr_library_sources_ifdef(CONFIG_I2C_NPCX		i2c_npcx_controller.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_NPCX		i2c_npcx_port.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_NRFX_TWIS	i2c_nrfx_twis.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_NUMAKER		i2c_numaker.c)
+zephyr_library_sources_ifdef(CONFIG_I2C_OMAP		i2c_omap.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_RCAR		i2c_rcar.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_RENESAS_RA_IIC	i2c_renesas_ra_iic.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_RV32M1_LPI2C	i2c_rv32m1_lpi2c.c)

drivers/i2c/Kconfig

@@ -140,6 +140,7 @@ source "drivers/i2c/Kconfig.mcux"
 source "drivers/i2c/Kconfig.npcx"
 source "drivers/i2c/Kconfig.nrfx"
 source "drivers/i2c/Kconfig.numaker"
+source "drivers/i2c/Kconfig.omap"
 source "drivers/i2c/Kconfig.rcar"
 source "drivers/i2c/Kconfig.renesas_ra"
 source "drivers/i2c/Kconfig.sam0"

drivers/i2c/Kconfig.omap

@@ -0,0 +1,12 @@
+# Copyright (C) 2024 BeagleBoard.org Foundation
+# Copyright (C) 2024 Dhruv Menon <[email protected]>
+
+# SPDX-License-Identifier: Apache-2.0
+
+config I2C_OMAP
+	bool "TI OMAP I2C Driver"
+	default y
+	depends on DT_HAS_TI_OMAP_I2C_ENABLED
+	select I2C_BITBANG
+	help
+		Enable the I2C driver for TI OMAP SoCs.