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gpio.h
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1 /*
2  * include/linux/mfd/wm831x/gpio.h -- GPIO for WM831x
3  *
4  * Copyright 2009 Wolfson Microelectronics PLC.
5  *
6  * Author: Mark Brown <[email protected]>
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License as published by the
10  * Free Software Foundation; either version 2 of the License, or (at your
11  * option) any later version.
12  *
13  */
14 
15 #ifndef __MFD_WM831X_GPIO_H__
16 #define __MFD_WM831X_GPIO_H__
17 
18 /*
19  * R16440-16455 (0x4038-0x4047) - GPIOx Control
20  */
21 #define WM831X_GPN_DIR 0x8000 /* GPN_DIR */
22 #define WM831X_GPN_DIR_MASK 0x8000 /* GPN_DIR */
23 #define WM831X_GPN_DIR_SHIFT 15 /* GPN_DIR */
24 #define WM831X_GPN_DIR_WIDTH 1 /* GPN_DIR */
25 #define WM831X_GPN_PULL_MASK 0x6000 /* GPN_PULL - [14:13] */
26 #define WM831X_GPN_PULL_SHIFT 13 /* GPN_PULL - [14:13] */
27 #define WM831X_GPN_PULL_WIDTH 2 /* GPN_PULL - [14:13] */
28 #define WM831X_GPN_INT_MODE 0x1000 /* GPN_INT_MODE */
29 #define WM831X_GPN_INT_MODE_MASK 0x1000 /* GPN_INT_MODE */
30 #define WM831X_GPN_INT_MODE_SHIFT 12 /* GPN_INT_MODE */
31 #define WM831X_GPN_INT_MODE_WIDTH 1 /* GPN_INT_MODE */
32 #define WM831X_GPN_PWR_DOM 0x0800 /* GPN_PWR_DOM */
33 #define WM831X_GPN_PWR_DOM_MASK 0x0800 /* GPN_PWR_DOM */
34 #define WM831X_GPN_PWR_DOM_SHIFT 11 /* GPN_PWR_DOM */
35 #define WM831X_GPN_PWR_DOM_WIDTH 1 /* GPN_PWR_DOM */
36 #define WM831X_GPN_POL 0x0400 /* GPN_POL */
37 #define WM831X_GPN_POL_MASK 0x0400 /* GPN_POL */
38 #define WM831X_GPN_POL_SHIFT 10 /* GPN_POL */
39 #define WM831X_GPN_POL_WIDTH 1 /* GPN_POL */
40 #define WM831X_GPN_OD 0x0200 /* GPN_OD */
41 #define WM831X_GPN_OD_MASK 0x0200 /* GPN_OD */
42 #define WM831X_GPN_OD_SHIFT 9 /* GPN_OD */
43 #define WM831X_GPN_OD_WIDTH 1 /* GPN_OD */
44 #define WM831X_GPN_ENA 0x0080 /* GPN_ENA */
45 #define WM831X_GPN_ENA_MASK 0x0080 /* GPN_ENA */
46 #define WM831X_GPN_ENA_SHIFT 7 /* GPN_ENA */
47 #define WM831X_GPN_ENA_WIDTH 1 /* GPN_ENA */
48 #define WM831X_GPN_TRI 0x0080 /* GPN_TRI */
49 #define WM831X_GPN_TRI_MASK 0x0080 /* GPN_TRI */
50 #define WM831X_GPN_TRI_SHIFT 7 /* GPN_TRI */
51 #define WM831X_GPN_TRI_WIDTH 1 /* GPN_TRI */
52 #define WM831X_GPN_FN_MASK 0x000F /* GPN_FN - [3:0] */
53 #define WM831X_GPN_FN_SHIFT 0 /* GPN_FN - [3:0] */
54 #define WM831X_GPN_FN_WIDTH 4 /* GPN_FN - [3:0] */
55 
56 #define WM831X_GPIO_PULL_NONE (0 << WM831X_GPN_PULL_SHIFT)
57 #define WM831X_GPIO_PULL_DOWN (1 << WM831X_GPN_PULL_SHIFT)
58 #define WM831X_GPIO_PULL_UP (2 << WM831X_GPN_PULL_SHIFT)
59 #endif