ed91e8f5d298fb8ea393927be7f621e746cf83f6
[linux-2.6.git] / include / linux / mfd / wm8350 / gpio.h
1 /*
2  * gpio.h  --  GPIO Driver for Wolfson WM8350 PMIC
3  *
4  * Copyright 2007 Wolfson Microelectronics PLC
5  *
6  *  This program is free software; you can redistribute  it and/or modify it
7  *  under  the terms of  the GNU General  Public License as published by the
8  *  Free Software Foundation;  either version 2 of the  License, or (at your
9  *  option) any later version.
10  *
11  */
12
13 #ifndef __LINUX_MFD_WM8350_GPIO_H_
14 #define __LINUX_MFD_WM8350_GPIO_H_
15
16 #include <linux/platform_device.h>
17
18 /*
19  * GPIO Registers.
20  */
21 #define WM8350_GPIO_DEBOUNCE                    0x80
22 #define WM8350_GPIO_PIN_PULL_UP_CONTROL         0x81
23 #define WM8350_GPIO_PULL_DOWN_CONTROL           0x82
24 #define WM8350_GPIO_INT_MODE                    0x83
25 #define WM8350_GPIO_CONTROL                     0x85
26 #define WM8350_GPIO_CONFIGURATION_I_O           0x86
27 #define WM8350_GPIO_PIN_POLARITY_TYPE           0x87
28 #define WM8350_GPIO_FUNCTION_SELECT_1           0x8C
29 #define WM8350_GPIO_FUNCTION_SELECT_2           0x8D
30 #define WM8350_GPIO_FUNCTION_SELECT_3           0x8E
31 #define WM8350_GPIO_FUNCTION_SELECT_4           0x8F
32
33 /*
34  * GPIO Functions
35  */
36 #define WM8350_GPIO0_GPIO_IN                    0x0
37 #define WM8350_GPIO0_GPIO_OUT                   0x0
38 #define WM8350_GPIO0_PWR_ON_IN                  0x1
39 #define WM8350_GPIO0_PWR_ON_OUT                 0x1
40 #define WM8350_GPIO0_LDO_EN_IN                  0x2
41 #define WM8350_GPIO0_VRTC_OUT                   0x2
42 #define WM8350_GPIO0_LPWR1_IN                   0x3
43 #define WM8350_GPIO0_POR_B_OUT                  0x3
44
45 #define WM8350_GPIO1_GPIO_IN                    0x0
46 #define WM8350_GPIO1_GPIO_OUT                   0x0
47 #define WM8350_GPIO1_PWR_ON_IN                  0x1
48 #define WM8350_GPIO1_DO_CONF_OUT                0x1
49 #define WM8350_GPIO1_LDO_EN_IN                  0x2
50 #define WM8350_GPIO1_RESET_OUT                  0x2
51 #define WM8350_GPIO1_LPWR2_IN                   0x3
52 #define WM8350_GPIO1_MEMRST_OUT                 0x3
53
54 #define WM8350_GPIO2_GPIO_IN                    0x0
55 #define WM8350_GPIO2_GPIO_OUT                   0x0
56 #define WM8350_GPIO2_PWR_ON_IN                  0x1
57 #define WM8350_GPIO2_PWR_ON_OUT                 0x1
58 #define WM8350_GPIO2_WAKE_UP_IN                 0x2
59 #define WM8350_GPIO2_VRTC_OUT                   0x2
60 #define WM8350_GPIO2_32KHZ_IN                   0x3
61 #define WM8350_GPIO2_32KHZ_OUT                  0x3
62
63 #define WM8350_GPIO3_GPIO_IN                    0x0
64 #define WM8350_GPIO3_GPIO_OUT                   0x0
65 #define WM8350_GPIO3_PWR_ON_IN                  0x1
66 #define WM8350_GPIO3_P_CLK_OUT                  0x1
67 #define WM8350_GPIO3_LDO_EN_IN                  0x2
68 #define WM8350_GPIO3_VRTC_OUT                   0x2
69 #define WM8350_GPIO3_PWR_OFF_IN                 0x3
70 #define WM8350_GPIO3_32KHZ_OUT                  0x3
71
72 #define WM8350_GPIO4_GPIO_IN                    0x0
73 #define WM8350_GPIO4_GPIO_OUT                   0x0
74 #define WM8350_GPIO4_MR_IN                      0x1
75 #define WM8350_GPIO4_MEM_RST_OUT                0x1
76 #define WM8350_GPIO4_FLASH_IN                   0x2
77 #define WM8350_GPIO4_ADA_OUT                    0x2
78 #define WM8350_GPIO4_HIBERNATE_IN               0x3
79 #define WM8350_GPIO4_FLASH_OUT                  0x3
80 #define WM8350_GPIO4_MICDET_OUT                 0x4
81 #define WM8350_GPIO4_MICSHT_OUT                 0x5
82
83 #define WM8350_GPIO5_GPIO_IN                    0x0
84 #define WM8350_GPIO5_GPIO_OUT                   0x0
85 #define WM8350_GPIO5_LPWR1_IN                   0x1
86 #define WM8350_GPIO5_P_CLK_OUT                  0x1
87 #define WM8350_GPIO5_ADCLRCLK_IN                0x2
88 #define WM8350_GPIO5_ADCLRCLK_OUT               0x2
89 #define WM8350_GPIO5_HIBERNATE_IN               0x3
90 #define WM8350_GPIO5_32KHZ_OUT                  0x3
91 #define WM8350_GPIO5_MICDET_OUT                 0x4
92 #define WM8350_GPIO5_MICSHT_OUT                 0x5
93 #define WM8350_GPIO5_ADA_OUT                    0x6
94 #define WM8350_GPIO5_OPCLK_OUT                  0x7
95
96 #define WM8350_GPIO6_GPIO_IN                    0x0
97 #define WM8350_GPIO6_GPIO_OUT                   0x0
98 #define WM8350_GPIO6_LPWR2_IN                   0x1
99 #define WM8350_GPIO6_MEMRST_OUT                 0x1
100 #define WM8350_GPIO6_FLASH_IN                   0x2
101 #define WM8350_GPIO6_ADA_OUT                    0x2
102 #define WM8350_GPIO6_HIBERNATE_IN               0x3
103 #define WM8350_GPIO6_RTC_OUT                    0x3
104 #define WM8350_GPIO6_MICDET_OUT                 0x4
105 #define WM8350_GPIO6_MICSHT_OUT                 0x5
106 #define WM8350_GPIO6_ADCLRCLKB_OUT              0x6
107 #define WM8350_GPIO6_SDOUT_OUT                  0x7
108
109 #define WM8350_GPIO7_GPIO_IN                    0x0
110 #define WM8350_GPIO7_GPIO_OUT                   0x0
111 #define WM8350_GPIO7_LPWR3_IN                   0x1
112 #define WM8350_GPIO7_P_CLK_OUT                  0x1
113 #define WM8350_GPIO7_MASK_IN                    0x2
114 #define WM8350_GPIO7_VCC_FAULT_OUT              0x2
115 #define WM8350_GPIO7_HIBERNATE_IN               0x3
116 #define WM8350_GPIO7_BATT_FAULT_OUT             0x3
117 #define WM8350_GPIO7_MICDET_OUT                 0x4
118 #define WM8350_GPIO7_MICSHT_OUT                 0x5
119 #define WM8350_GPIO7_ADA_OUT                    0x6
120 #define WM8350_GPIO7_CSB_IN                     0x7
121
122 #define WM8350_GPIO8_GPIO_IN                    0x0
123 #define WM8350_GPIO8_GPIO_OUT                   0x0
124 #define WM8350_GPIO8_MR_IN                      0x1
125 #define WM8350_GPIO8_VCC_FAULT_OUT              0x1
126 #define WM8350_GPIO8_ADCBCLK_IN                 0x2
127 #define WM8350_GPIO8_ADCBCLK_OUT                0x2
128 #define WM8350_GPIO8_PWR_OFF_IN                 0x3
129 #define WM8350_GPIO8_BATT_FAULT_OUT             0x3
130 #define WM8350_GPIO8_ALTSCL_IN                  0xf
131
132 #define WM8350_GPIO9_GPIO_IN                    0x0
133 #define WM8350_GPIO9_GPIO_OUT                   0x0
134 #define WM8350_GPIO9_HEARTBEAT_IN               0x1
135 #define WM8350_GPIO9_VCC_FAULT_OUT              0x1
136 #define WM8350_GPIO9_MASK_IN                    0x2
137 #define WM8350_GPIO9_LINE_GT_BATT_OUT           0x2
138 #define WM8350_GPIO9_PWR_OFF_IN                 0x3
139 #define WM8350_GPIO9_BATT_FAULT_OUT             0x3
140 #define WM8350_GPIO9_ALTSDA_OUT                 0xf
141
142 #define WM8350_GPIO10_GPIO_IN                   0x0
143 #define WM8350_GPIO10_GPIO_OUT                  0x0
144 #define WM8350_GPIO10_ISINKC_OUT                0x1
145 #define WM8350_GPIO10_PWR_OFF_IN                0x2
146 #define WM8350_GPIO10_LINE_GT_BATT_OUT          0x2
147 #define WM8350_GPIO10_CHD_IND_IN                0x3
148
149 #define WM8350_GPIO11_GPIO_IN                   0x0
150 #define WM8350_GPIO11_GPIO_OUT                  0x0
151 #define WM8350_GPIO11_ISINKD_OUT                0x1
152 #define WM8350_GPIO11_WAKEUP_IN                 0x2
153 #define WM8350_GPIO11_LINE_GT_BATT_OUT          0x2
154 #define WM8350_GPIO11_CHD_IND_IN                0x3
155
156 #define WM8350_GPIO12_GPIO_IN                   0x0
157 #define WM8350_GPIO12_GPIO_OUT                  0x0
158 #define WM8350_GPIO12_ISINKE_OUT                0x1
159 #define WM8350_GPIO12_LINE_GT_BATT_OUT          0x2
160 #define WM8350_GPIO12_LINE_EN_OUT               0x3
161 #define WM8350_GPIO12_32KHZ_OUT                 0x4
162
163 #define WM8350_GPIO_DIR_IN                      0
164 #define WM8350_GPIO_DIR_OUT                     1
165 #define WM8350_GPIO_ACTIVE_LOW                  0
166 #define WM8350_GPIO_ACTIVE_HIGH                 1
167 #define WM8350_GPIO_PULL_NONE                   0
168 #define WM8350_GPIO_PULL_UP                     1
169 #define WM8350_GPIO_PULL_DOWN                   2
170 #define WM8350_GPIO_INVERT_OFF                  0
171 #define WM8350_GPIO_INVERT_ON                   1
172 #define WM8350_GPIO_DEBOUNCE_OFF                0
173 #define WM8350_GPIO_DEBOUNCE_ON                 1
174
175 /*
176  * R128 (0x80) - GPIO Debounce
177  */
178 #define WM8350_GP12_DB                          0x1000
179 #define WM8350_GP11_DB                          0x0800
180 #define WM8350_GP10_DB                          0x0400
181 #define WM8350_GP9_DB                           0x0200
182 #define WM8350_GP8_DB                           0x0100
183 #define WM8350_GP7_DB                           0x0080
184 #define WM8350_GP6_DB                           0x0040
185 #define WM8350_GP5_DB                           0x0020
186 #define WM8350_GP4_DB                           0x0010
187 #define WM8350_GP3_DB                           0x0008
188 #define WM8350_GP2_DB                           0x0004
189 #define WM8350_GP1_DB                           0x0002
190 #define WM8350_GP0_DB                           0x0001
191
192 /*
193  * R129 (0x81) - GPIO Pin pull up Control
194  */
195 #define WM8350_GP12_PU                          0x1000
196 #define WM8350_GP11_PU                          0x0800
197 #define WM8350_GP10_PU                          0x0400
198 #define WM8350_GP9_PU                           0x0200
199 #define WM8350_GP8_PU                           0x0100
200 #define WM8350_GP7_PU                           0x0080
201 #define WM8350_GP6_PU                           0x0040
202 #define WM8350_GP5_PU                           0x0020
203 #define WM8350_GP4_PU                           0x0010
204 #define WM8350_GP3_PU                           0x0008
205 #define WM8350_GP2_PU                           0x0004
206 #define WM8350_GP1_PU                           0x0002
207 #define WM8350_GP0_PU                           0x0001
208
209 /*
210  * R130 (0x82) - GPIO Pull down Control
211  */
212 #define WM8350_GP12_PD                          0x1000
213 #define WM8350_GP11_PD                          0x0800
214 #define WM8350_GP10_PD                          0x0400
215 #define WM8350_GP9_PD                           0x0200
216 #define WM8350_GP8_PD                           0x0100
217 #define WM8350_GP7_PD                           0x0080
218 #define WM8350_GP6_PD                           0x0040
219 #define WM8350_GP5_PD                           0x0020
220 #define WM8350_GP4_PD                           0x0010
221 #define WM8350_GP3_PD                           0x0008
222 #define WM8350_GP2_PD                           0x0004
223 #define WM8350_GP1_PD                           0x0002
224 #define WM8350_GP0_PD                           0x0001
225
226 /*
227  * R131 (0x83) - GPIO Interrupt Mode
228  */
229 #define WM8350_GP12_INTMODE                     0x1000
230 #define WM8350_GP11_INTMODE                     0x0800
231 #define WM8350_GP10_INTMODE                     0x0400
232 #define WM8350_GP9_INTMODE                      0x0200
233 #define WM8350_GP8_INTMODE                      0x0100
234 #define WM8350_GP7_INTMODE                      0x0080
235 #define WM8350_GP6_INTMODE                      0x0040
236 #define WM8350_GP5_INTMODE                      0x0020
237 #define WM8350_GP4_INTMODE                      0x0010
238 #define WM8350_GP3_INTMODE                      0x0008
239 #define WM8350_GP2_INTMODE                      0x0004
240 #define WM8350_GP1_INTMODE                      0x0002
241 #define WM8350_GP0_INTMODE                      0x0001
242
243 /*
244  * R133 (0x85) - GPIO Control
245  */
246 #define WM8350_GP_DBTIME_MASK                   0x00C0
247
248 /*
249  * R134 (0x86) - GPIO Configuration (i/o)
250  */
251 #define WM8350_GP12_DIR                         0x1000
252 #define WM8350_GP11_DIR                         0x0800
253 #define WM8350_GP10_DIR                         0x0400
254 #define WM8350_GP9_DIR                          0x0200
255 #define WM8350_GP8_DIR                          0x0100
256 #define WM8350_GP7_DIR                          0x0080
257 #define WM8350_GP6_DIR                          0x0040
258 #define WM8350_GP5_DIR                          0x0020
259 #define WM8350_GP4_DIR                          0x0010
260 #define WM8350_GP3_DIR                          0x0008
261 #define WM8350_GP2_DIR                          0x0004
262 #define WM8350_GP1_DIR                          0x0002
263 #define WM8350_GP0_DIR                          0x0001
264
265 /*
266  * R135 (0x87) - GPIO Pin Polarity / Type
267  */
268 #define WM8350_GP12_CFG                         0x1000
269 #define WM8350_GP11_CFG                         0x0800
270 #define WM8350_GP10_CFG                         0x0400
271 #define WM8350_GP9_CFG                          0x0200
272 #define WM8350_GP8_CFG                          0x0100
273 #define WM8350_GP7_CFG                          0x0080
274 #define WM8350_GP6_CFG                          0x0040
275 #define WM8350_GP5_CFG                          0x0020
276 #define WM8350_GP4_CFG                          0x0010
277 #define WM8350_GP3_CFG                          0x0008
278 #define WM8350_GP2_CFG                          0x0004
279 #define WM8350_GP1_CFG                          0x0002
280 #define WM8350_GP0_CFG                          0x0001
281
282 /*
283  * R140 (0x8C) - GPIO Function Select 1
284  */
285 #define WM8350_GP3_FN_MASK                      0xF000
286 #define WM8350_GP2_FN_MASK                      0x0F00
287 #define WM8350_GP1_FN_MASK                      0x00F0
288 #define WM8350_GP0_FN_MASK                      0x000F
289
290 /*
291  * R141 (0x8D) - GPIO Function Select 2
292  */
293 #define WM8350_GP7_FN_MASK                      0xF000
294 #define WM8350_GP6_FN_MASK                      0x0F00
295 #define WM8350_GP5_FN_MASK                      0x00F0
296 #define WM8350_GP4_FN_MASK                      0x000F
297
298 /*
299  * R142 (0x8E) - GPIO Function Select 3
300  */
301 #define WM8350_GP11_FN_MASK                     0xF000
302 #define WM8350_GP10_FN_MASK                     0x0F00
303 #define WM8350_GP9_FN_MASK                      0x00F0
304 #define WM8350_GP8_FN_MASK                      0x000F
305
306 /*
307  * R143 (0x8F) - GPIO Function Select 4
308  */
309 #define WM8350_GP12_FN_MASK                     0x000F
310
311 /*
312  * R230 (0xE6) - GPIO Pin Status
313  */
314 #define WM8350_GP12_LVL                         0x1000
315 #define WM8350_GP11_LVL                         0x0800
316 #define WM8350_GP10_LVL                         0x0400
317 #define WM8350_GP9_LVL                          0x0200
318 #define WM8350_GP8_LVL                          0x0100
319 #define WM8350_GP7_LVL                          0x0080
320 #define WM8350_GP6_LVL                          0x0040
321 #define WM8350_GP5_LVL                          0x0020
322 #define WM8350_GP4_LVL                          0x0010
323 #define WM8350_GP3_LVL                          0x0008
324 #define WM8350_GP2_LVL                          0x0004
325 #define WM8350_GP1_LVL                          0x0002
326 #define WM8350_GP0_LVL                          0x0001
327
328 struct wm8350;
329
330 int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func,
331                        int pol, int pull, int invert, int debounce);
332
333 struct wm8350_gpio {
334         struct platform_device *pdev;
335 };
336
337 /*
338  * GPIO Interrupts
339  */
340 #define WM8350_IRQ_GPIO(x)                      (50 + x)
341
342 #endif