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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Sachin Kamat4e353ed2013-12-27 17:13:17 -08002#ifndef __KEYPAD_EP93XX_H
3#define __KEYPAD_EP93XX_H
H Hartley Sweetene06003a2009-04-18 23:43:57 -07004
H Hartley Sweetena5abd952010-01-13 00:34:12 -08005struct matrix_keymap_data;
6
H Hartley Sweetene06003a2009-04-18 23:43:57 -07007/* 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 */
Arnd Bergmanndfb6db02019-04-15 22:17:10 +020012#define EP93XX_KEYPAD_AUTOREPEAT (1<<4) /* enable key autorepeat */
H Hartley Sweetene06003a2009-04-18 23:43:57 -070013
14/**
15 * struct ep93xx_keypad_platform_data - platform specific device structure
H Hartley Sweetena5abd952010-01-13 00:34:12 -080016 * @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
H Hartley Sweetene06003a2009-04-18 23:43:57 -070020 */
21struct ep93xx_keypad_platform_data {
H Hartley Sweetena5abd952010-01-13 00:34:12 -080022 struct matrix_keymap_data *keymap_data;
H Hartley Sweetene06003a2009-04-18 23:43:57 -070023 unsigned int debounce;
24 unsigned int prescale;
25 unsigned int flags;
Arnd Bergmanndfb6db02019-04-15 22:17:10 +020026 unsigned int clk_rate;
H Hartley Sweetene06003a2009-04-18 23:43:57 -070027};
28
H Hartley Sweeten60214f02009-12-15 08:39:51 -080029#define EP93XX_MATRIX_ROWS (8)
30#define EP93XX_MATRIX_COLS (8)
H Hartley Sweetene06003a2009-04-18 23:43:57 -070031
Sachin Kamat4e353ed2013-12-27 17:13:17 -080032#endif /* __KEYPAD_EP93XX_H */