drivers: add I2C mspm0 driver

Includes driver and dts binding changes for I2C support

Signed-off-by: Dylan Philpot <[email protected]>

Author: d-philpot

drivers/i2c/CMakeLists.txt

@@ -46,6 +46,7 @@ zephyr_library_sources_ifdef(CONFIG_I2C_LPC11U6X	i2c_lpc11u6x.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_MCHP_MSS	i2c_mchp_mss.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_MCUX		i2c_mcux.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_MCUX_FLEXCOMM	i2c_mcux_flexcomm.c)
+zephyr_library_sources_ifdef(CONFIG_I2C_MSPM0		i2c_mspm0.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_NIOS2		i2c_nios2.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_NPCX		i2c_npcx_controller.c)
 zephyr_library_sources_ifdef(CONFIG_I2C_NPCX		i2c_npcx_port.c)

drivers/i2c/Kconfig

@@ -139,6 +139,7 @@ source "drivers/i2c/Kconfig.lpc11u6x"
 source "drivers/i2c/Kconfig.max32"
 source "drivers/i2c/Kconfig.mchp_mss"
 source "drivers/i2c/Kconfig.mcux"
+source "drivers/i2c/Kconfig.mspm0"
 source "drivers/i2c/Kconfig.npcx"
 source "drivers/i2c/Kconfig.nrfx"
 source "drivers/i2c/Kconfig.numaker"

drivers/i2c/Kconfig.mspm0

@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright (c) 2024 Texas Instruments
+
+config I2C_MSPM0
+	bool "MSPM0 I2C driver"
+	default y
+	depends on DT_HAS_TI_MSPM0_I2C_ENABLED
+	select USE_MSPM0_DL_I2C
+	select PINCTRL
+	help
+	  This option enables the TI MSPM0 I2C driver.
+
+config I2C_SCL_LOW_TIMEOUT
+	int "I2C SCL Timeout"
+	default 0
+	help
+	  Timeout in milliseconds that reflects acceptable
+	  cumulative low period in a transaction.
+	  0 means that the driver will use the K_FOREVER value,
+	  waiting as long as necessary.
+
+config I2C_MSPM0_ALTERNATE_TARGET_ADDRESS
+	int "I2C Target Alternate Address"
+	default 0
+	help
+	  Configures a 7-bit alternate address that a target will also respond to.
+	  0 means that the target will only respond to its primary address.
+
+config I2C_MSPM0_ALTERNATE_TARGET_ADDRESS_MASK
+	int "I2C Target Alternate Address Mask"
+	default 0
+	help
+	  Configures a 7-bit alternate address mask where a bit value of 1 will
+	  cause a corresponding incoming address bit to match regardless of the
+	  value set for the alternate address. This makes the bit for the target
+	  address a don't care.