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Diffstat (limited to 'zephyr/dts/bindings/keyboard')
-rw-r--r-- | zephyr/dts/bindings/keyboard/cros-keyscan.yaml | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/zephyr/dts/bindings/keyboard/cros-keyscan.yaml b/zephyr/dts/bindings/keyboard/cros-keyscan.yaml deleted file mode 100644 index 11caf7fd11..0000000000 --- a/zephyr/dts/bindings/keyboard/cros-keyscan.yaml +++ /dev/null @@ -1,82 +0,0 @@ - # Copyright 2021 The Chromium OS Authors. All rights reserved. - # Use of this source code is governed by a BSD-style license that can be - # found in the LICENSE file. - -description: Keyboard scanning properties - -compatible: "cros-keyscan" - -properties: - output-settle: - type: int - required: false - default: 80 - description: | - Delay time, in microseconds, between setting up output and waiting for - it to settle. 80 microseconds is the recommended value when column 2 - of the keyboard passes through the Google Security Chip. Otherwise 50 - microseconds is the recommended value. - - debounce-down: - type: int - required: false - default: 9000 - description: | - Time, in microseconds, to debounce key-down. - - debounce-up: - type: int - required: false - default: 30000 - description: | - Time, in microseconds, to debounce key-up. - - scan-period: - type: int - required: false - default: 3000 - description: | - Time between scans when keyboard scan task runs in polling mode. - - min-post-scan-delay: - type: int - required: false - default: 1000 - description: | - Minimum time between end of one scan and start of the next one. - This ensures keyboard scanning doesn't starve the rest of the system - if the scan period is set too short, or if other higher-priority - system activity is starving the keyboard scan task too. - - poll-timeout: - type: int - required: false - default: 100000 - description: | - Revert to interrupt mode after no keyboard activity for this period. - Specified in microseconds. - - actual-key-mask: - type: array - required: false - default: [ - 0x1c, # C0 - 0xff, # C1 - 0xff, # C2 - 0xff, # C3 - 0xff, # C4 - 0xf5, # C5 - 0xff, # C6 - 0xa4, # C7 - 0xfe, # C8 - 0x55, # C9 - 0xfa, # C10 - 0xff, # C11 - 0xca, # C12 - 0x00, # C13 for keypad - 0x00, # C14 for keypad - ] - description: | - Keyboard scanning mask. For each keyboard column, specify which - keyboard rows actually exist. Default key mask includes scanning for - full Chromebook keyboard, excluding the keypad. |