198e040b4e
Add generic functions that will be common to all TCPCI compliant drivers like registers reading, writing and updating. Signed-off-by: Michał Barnaś <barnas@google.com>
25 lines
774 B
Text
25 lines
774 B
Text
# USB-C TCPCI-compliant devices configuration options
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# Copyright 2024 Google LLC
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# SPDX-License-Identifier: Apache-2.0
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config USBC_TCPC_TCPCI
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bool
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select I2C
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help
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Enable support for Type-C Port Controller Interface.
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This symbol should be selected by TCPCI-compliant drivers to allow the use of generic
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TCPCI functions for registers operations.
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if USBC_TCPC_TCPCI
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config USBC_TCPC_TCPCI_I2C_RETRIES
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int "I2C communication retries"
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default 2
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help
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Number of I2C transaction tries that will be performed for each request.
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Some TCPCs are going into deep sleep mode when no charger is connected and won't respond
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to the i2c address immediately. If device won't respond after retries, it means that
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it is not responsible or is not connected.
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endif
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