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Diffstat (limited to 'zephyr/shim/src/keyscan.c')
| -rw-r--r-- | zephyr/shim/src/keyscan.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/zephyr/shim/src/keyscan.c b/zephyr/shim/src/keyscan.c new file mode 100644 index 0000000000..514d9ffaed --- /dev/null +++ b/zephyr/shim/src/keyscan.c @@ -0,0 +1,34 @@ +/* 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. + */ + +#define DT_DRV_COMPAT cros_kb_raw_keyscan + +#include <assert.h> +#include <kernel.h> +#include <soc.h> + +#include "keyboard_scan.h" + +#if DT_NODE_EXISTS(DT_INST(0, cros_kb_raw_keyscan)) + +/* The keyboard matrix should have at least enough columns for the + * standard keyboard with no keypad. + */ +BUILD_ASSERT(DT_INST_PROP_LEN(0, actual_key_mask) >= KEYBOARD_COLS_NO_KEYPAD); + +/* + * Override the default keyscan_config if the board defines a + * cros-kb-raw-keyscan node. + */ +__override struct keyboard_scan_config keyscan_config = { + .output_settle_us = DT_INST_PROP(0, output_settle), + .debounce_down_us = DT_INST_PROP(0, debounce_down), + .debounce_up_us = DT_INST_PROP(0, debounce_up), + .scan_period_us = DT_INST_PROP(0, scan_period), + .min_post_scan_delay_us = DT_INST_PROP(0, min_post_scan_delay), + .poll_timeout_us = DT_INST_PROP(0, poll_timeout), + .actual_key_mask = DT_INST_PROP(0, actual_key_mask), +}; +#endif |