CONFIG_I2C_DW_CLOCK_SPEED

Set the clock speed for I2C

Type: int

Direct dependencies

(I2C_DW && I2C && BOARD_EM_STARTERKIT) || (I2C_DW && I2C && BOARD_HSDK) || (I2C_DW && I2C)

(Includes any dependencies from ifs and menus.)

Defaults

• 100

• 200

• 32

Kconfig definitions

At <Zephyr>/boards/arc/em_starterkit/Kconfig.defconfig:41

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

Menu path: (Top)

config I2C_DW_CLOCK_SPEED
    int
    default 100
    depends on I2C_DW && I2C && BOARD_EM_STARTERKIT

---

At <Zephyr>/boards/arc/hsdk/Kconfig.defconfig:59

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

Menu path: (Top)

config I2C_DW_CLOCK_SPEED
    int
    default 200
    depends on I2C_DW && I2C && BOARD_HSDK

---

At <Zephyr>/drivers/i2c/Kconfig.dw:15

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:42 → <Zephyr>/drivers/Kconfig:42 → <Zephyr>/drivers/i2c/Kconfig:35

Menu path: (Top) → Device Drivers → I2C Drivers → Design Ware I2C support

config I2C_DW_CLOCK_SPEED
    int "Set the clock speed for I2C"
    default 32
    depends on I2C_DW && I2C

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)