e7dd7abc0e
Some I2C peripherals like TI charger or gauge chips need support for I2C clock stretching. This patch includes that and makes these modules usable with I2C emulation over GPIO. Signed-off-by: Bas van Loon <bas@arch-embedded.com>
26 lines
617 B
Text
26 lines
617 B
Text
# Copyright (c) 2017 Linaro Ltd.
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# SPDX-License-Identifier: Apache-2.0
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config I2C_GPIO
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bool "GPIO bit banging I2C support"
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default y
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depends on DT_HAS_GPIO_I2C_ENABLED
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select I2C_BITBANG
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help
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Enable software driven (bit banging) I2C support using GPIO pins
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if I2C_GPIO
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config I2C_GPIO_CLOCK_STRETCHING
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bool "GPIO bit banging I2C clock stretching support"
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default y
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help
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Enable Slave clock stretching support
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config I2C_GPIO_CLOCK_STRETCHING_TIMEOUT_US
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int "GPIO bit banging I2C clock stretching timeout (us)"
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default 100000
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help
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Timeout for clock stretching in microseconds.
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endif # I2C_GPIO
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