zephyr/drivers/i2c/Kconfig.gpio

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# Copyright (c) 2017 Linaro Ltd.
# SPDX-License-Identifier: Apache-2.0
config I2C_GPIO
bool "GPIO bit banging I2C support"
default y
depends on DT_HAS_GPIO_I2C_ENABLED
select I2C_BITBANG
help
Enable software driven (bit banging) I2C support using GPIO pins