a55c9f8ce7
Add keyboard scan driver support. Signed-off-by: Mulin Chao <mlchao@nuvoton.com> Signed-off-by: Jun Lin <CHLin56@nuvoton.com>
44 lines
1.1 KiB
Plaintext
44 lines
1.1 KiB
Plaintext
# NPCX Keyboard Scan driver configuration options
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# Copyright (c) 2022 Nuvoton Technology Corporation.
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# SPDX-License-Identifier: Apache-2.0
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menuconfig KSCAN_NPCX
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bool "Nuvoton NPCX embedded controller (EC) Keyboard Scan (KSCAN) driver"
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default y
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depends on DT_HAS_NUVOTON_NPCX_KSCAN_ENABLED
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select MULTITHREADING
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help
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This option enables the KSCAN driver for NPCX family of
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processors.
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if KSCAN_NPCX
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config KSCAN_NPCX_POLL_PERIOD_MS
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int "Keyscan NPCX Poll Period"
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default 5
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help
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Defines the poll period in msecs between between matrix scans.
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config KSCAN_NPCX_KSO_HIGH_DRIVE
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bool "Select quasi-bidirectional buffers for KSO pins"
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default y
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help
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Select quasi-bidirectional buffers for KSO pins to reduce the
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low-to-high transition time.
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config KSCAN_NPCX_POLL_COL_OUTPUT_SETTLE_TIME_US
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int "keyboard matrix poll column output settle time"
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default 50
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help
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Delay (us) between setting column output and waiting for it
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to settle
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config KSCAN_NPCX_THREAD_STACK_SIZE
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int "Stack size for the kscan thread"
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default 1024
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help
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Size of the stack used for the kscan thread.
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endif # KSCAN_NPCX
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