1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __KEYPAD_EP93XX_H
3 #define __KEYPAD_EP93XX_H
4
5 struct matrix_keymap_data;
6
7 /* flags for the ep93xx_keypad driver */
8 #define EP93XX_KEYPAD_DISABLE_3_KEY (1<<0) /* disable 3-key reset */
9 #define EP93XX_KEYPAD_DIAG_MODE (1<<1) /* diagnostic mode */
10 #define EP93XX_KEYPAD_BACK_DRIVE (1<<2) /* back driving mode */
11 #define EP93XX_KEYPAD_TEST_MODE (1<<3) /* scan only column 0 */
12 #define EP93XX_KEYPAD_AUTOREPEAT (1<<4) /* enable key autorepeat */
13
14 /**
15 * struct ep93xx_keypad_platform_data - platform specific device structure
16 * @keymap_data: pointer to &matrix_keymap_data
17 * @debounce: debounce start count; terminal count is 0xff
18 * @prescale: row/column counter pre-scaler load value
19 * @flags: see above
20 */
21 struct ep93xx_keypad_platform_data {
22 struct matrix_keymap_data *keymap_data;
23 unsigned int debounce;
24 unsigned int prescale;
25 unsigned int flags;
26 unsigned int clk_rate;
27 };
28
29 #define EP93XX_MATRIX_ROWS (8)
30 #define EP93XX_MATRIX_COLS (8)
31
32 #endif /* __KEYPAD_EP93XX_H */