38 lines
1.2 KiB
Plaintext
38 lines
1.2 KiB
Plaintext
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# sam twihs I2C support
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# Copyright (c) 2023 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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menuconfig I2C_SAM_TWIHS
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bool "Atmel SAM (TWIHS) I2C driver"
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default y
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depends on DT_HAS_ATMEL_SAM_I2C_TWIHS_ENABLED
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help
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Enable Atmel SAM MCU Family (TWIHS) I2C bus driver.
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if I2C_SAM_TWIHS
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if I2C_RTIO
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config I2C_SAM_TWIHS_SQ_SIZE
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int "Submission queue size for blocking calls"
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default 4
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help
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Blocking i2c calls when I2C_RTIO is enabled are copied into a per driver
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submission queue. The queue depth determines the number of possible i2c_msg
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structs that may be in the array given to i2c_transfer. A sensible default
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is going to be 4 given the device address, register address, and a value
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to be read or written.
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config I2C_SAM_TWIHS_CQ_SIZE
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int "Completion queue size for blocking calls"
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default 4
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help
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Blocking i2c calls when I2C_RTIO is enabled are copied into a per driver
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submission queue. The queue depth determines the number of possible i2c_msg
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structs that may be in the array given to i2c_transfer. A sensible default
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is going to be 4 given the device address, register address, and a value
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to be read or written.
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endif # I2C_RTIO
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endif # I2C_SAM_TWIHS
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