xref: /openbmc/linux/include/linux/mfd/wm8350/gpio.h (revision 2874c5fd)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * gpio.h  --  GPIO Driver for Wolfson WM8350 PMIC
4  *
5  * Copyright 2007 Wolfson Microelectronics PLC
6  */
7 
8 #ifndef __LINUX_MFD_WM8350_GPIO_H_
9 #define __LINUX_MFD_WM8350_GPIO_H_
10 
11 #include <linux/platform_device.h>
12 
13 /*
14  * GPIO Registers.
15  */
16 #define WM8350_GPIO_DEBOUNCE                    0x80
17 #define WM8350_GPIO_PIN_PULL_UP_CONTROL         0x81
18 #define WM8350_GPIO_PULL_DOWN_CONTROL           0x82
19 #define WM8350_GPIO_INT_MODE                    0x83
20 #define WM8350_GPIO_CONTROL                     0x85
21 #define WM8350_GPIO_CONFIGURATION_I_O           0x86
22 #define WM8350_GPIO_PIN_POLARITY_TYPE           0x87
23 #define WM8350_GPIO_FUNCTION_SELECT_1           0x8C
24 #define WM8350_GPIO_FUNCTION_SELECT_2           0x8D
25 #define WM8350_GPIO_FUNCTION_SELECT_3           0x8E
26 #define WM8350_GPIO_FUNCTION_SELECT_4           0x8F
27 #define WM8350_GPIO_LEVEL			0xE6
28 
29 /*
30  * GPIO Functions
31  */
32 #define WM8350_GPIO0_GPIO_IN			0x0
33 #define WM8350_GPIO0_GPIO_OUT			0x0
34 #define WM8350_GPIO0_PWR_ON_IN			0x1
35 #define WM8350_GPIO0_PWR_ON_OUT			0x1
36 #define WM8350_GPIO0_LDO_EN_IN			0x2
37 #define WM8350_GPIO0_VRTC_OUT			0x2
38 #define WM8350_GPIO0_LPWR1_IN			0x3
39 #define WM8350_GPIO0_POR_B_OUT			0x3
40 
41 #define WM8350_GPIO1_GPIO_IN			0x0
42 #define WM8350_GPIO1_GPIO_OUT			0x0
43 #define WM8350_GPIO1_PWR_ON_IN			0x1
44 #define WM8350_GPIO1_DO_CONF_OUT		0x1
45 #define WM8350_GPIO1_LDO_EN_IN			0x2
46 #define WM8350_GPIO1_RESET_OUT			0x2
47 #define WM8350_GPIO1_LPWR2_IN			0x3
48 #define WM8350_GPIO1_MEMRST_OUT			0x3
49 
50 #define WM8350_GPIO2_GPIO_IN			0x0
51 #define WM8350_GPIO2_GPIO_OUT			0x0
52 #define WM8350_GPIO2_PWR_ON_IN			0x1
53 #define WM8350_GPIO2_PWR_ON_OUT			0x1
54 #define WM8350_GPIO2_WAKE_UP_IN			0x2
55 #define WM8350_GPIO2_VRTC_OUT			0x2
56 #define WM8350_GPIO2_32KHZ_IN			0x3
57 #define WM8350_GPIO2_32KHZ_OUT			0x3
58 
59 #define WM8350_GPIO3_GPIO_IN			0x0
60 #define WM8350_GPIO3_GPIO_OUT			0x0
61 #define WM8350_GPIO3_PWR_ON_IN			0x1
62 #define WM8350_GPIO3_P_CLK_OUT			0x1
63 #define WM8350_GPIO3_LDO_EN_IN			0x2
64 #define WM8350_GPIO3_VRTC_OUT			0x2
65 #define WM8350_GPIO3_PWR_OFF_IN			0x3
66 #define WM8350_GPIO3_32KHZ_OUT			0x3
67 
68 #define WM8350_GPIO4_GPIO_IN			0x0
69 #define WM8350_GPIO4_GPIO_OUT			0x0
70 #define WM8350_GPIO4_MR_IN			0x1
71 #define WM8350_GPIO4_MEM_RST_OUT		0x1
72 #define WM8350_GPIO4_FLASH_IN			0x2
73 #define WM8350_GPIO4_ADA_OUT			0x2
74 #define WM8350_GPIO4_HIBERNATE_IN		0x3
75 #define WM8350_GPIO4_FLASH_OUT			0x3
76 #define WM8350_GPIO4_MICDET_OUT			0x4
77 #define WM8350_GPIO4_MICSHT_OUT			0x5
78 
79 #define WM8350_GPIO5_GPIO_IN			0x0
80 #define WM8350_GPIO5_GPIO_OUT			0x0
81 #define WM8350_GPIO5_LPWR1_IN			0x1
82 #define WM8350_GPIO5_P_CLK_OUT			0x1
83 #define WM8350_GPIO5_ADCLRCLK_IN		0x2
84 #define WM8350_GPIO5_ADCLRCLK_OUT		0x2
85 #define WM8350_GPIO5_HIBERNATE_IN		0x3
86 #define WM8350_GPIO5_32KHZ_OUT			0x3
87 #define WM8350_GPIO5_MICDET_OUT			0x4
88 #define WM8350_GPIO5_MICSHT_OUT			0x5
89 #define WM8350_GPIO5_ADA_OUT			0x6
90 #define WM8350_GPIO5_OPCLK_OUT			0x7
91 
92 #define WM8350_GPIO6_GPIO_IN			0x0
93 #define WM8350_GPIO6_GPIO_OUT			0x0
94 #define WM8350_GPIO6_LPWR2_IN			0x1
95 #define WM8350_GPIO6_MEMRST_OUT			0x1
96 #define WM8350_GPIO6_FLASH_IN			0x2
97 #define WM8350_GPIO6_ADA_OUT			0x2
98 #define WM8350_GPIO6_HIBERNATE_IN		0x3
99 #define WM8350_GPIO6_RTC_OUT			0x3
100 #define WM8350_GPIO6_MICDET_OUT			0x4
101 #define WM8350_GPIO6_MICSHT_OUT			0x5
102 #define WM8350_GPIO6_ADCLRCLKB_OUT		0x6
103 #define WM8350_GPIO6_SDOUT_OUT			0x7
104 
105 #define WM8350_GPIO7_GPIO_IN			0x0
106 #define WM8350_GPIO7_GPIO_OUT			0x0
107 #define WM8350_GPIO7_LPWR3_IN			0x1
108 #define WM8350_GPIO7_P_CLK_OUT			0x1
109 #define WM8350_GPIO7_MASK_IN			0x2
110 #define WM8350_GPIO7_VCC_FAULT_OUT		0x2
111 #define WM8350_GPIO7_HIBERNATE_IN		0x3
112 #define WM8350_GPIO7_BATT_FAULT_OUT		0x3
113 #define WM8350_GPIO7_MICDET_OUT			0x4
114 #define WM8350_GPIO7_MICSHT_OUT			0x5
115 #define WM8350_GPIO7_ADA_OUT			0x6
116 #define WM8350_GPIO7_CSB_IN			0x7
117 
118 #define WM8350_GPIO8_GPIO_IN			0x0
119 #define WM8350_GPIO8_GPIO_OUT			0x0
120 #define WM8350_GPIO8_MR_IN			0x1
121 #define WM8350_GPIO8_VCC_FAULT_OUT		0x1
122 #define WM8350_GPIO8_ADCBCLK_IN			0x2
123 #define WM8350_GPIO8_ADCBCLK_OUT		0x2
124 #define WM8350_GPIO8_PWR_OFF_IN			0x3
125 #define WM8350_GPIO8_BATT_FAULT_OUT		0x3
126 #define WM8350_GPIO8_ALTSCL_IN			0xf
127 
128 #define WM8350_GPIO9_GPIO_IN			0x0
129 #define WM8350_GPIO9_GPIO_OUT			0x0
130 #define WM8350_GPIO9_HEARTBEAT_IN		0x1
131 #define WM8350_GPIO9_VCC_FAULT_OUT		0x1
132 #define WM8350_GPIO9_MASK_IN			0x2
133 #define WM8350_GPIO9_LINE_GT_BATT_OUT		0x2
134 #define WM8350_GPIO9_PWR_OFF_IN			0x3
135 #define WM8350_GPIO9_BATT_FAULT_OUT		0x3
136 #define WM8350_GPIO9_ALTSDA_OUT			0xf
137 
138 #define WM8350_GPIO10_GPIO_IN			0x0
139 #define WM8350_GPIO10_GPIO_OUT			0x0
140 #define WM8350_GPIO10_ISINKC_OUT		0x1
141 #define WM8350_GPIO10_PWR_OFF_IN		0x2
142 #define WM8350_GPIO10_LINE_GT_BATT_OUT		0x2
143 #define WM8350_GPIO10_CHD_IND_IN		0x3
144 
145 #define WM8350_GPIO11_GPIO_IN			0x0
146 #define WM8350_GPIO11_GPIO_OUT			0x0
147 #define WM8350_GPIO11_ISINKD_OUT		0x1
148 #define WM8350_GPIO11_WAKEUP_IN			0x2
149 #define WM8350_GPIO11_LINE_GT_BATT_OUT		0x2
150 #define WM8350_GPIO11_CHD_IND_IN		0x3
151 
152 #define WM8350_GPIO12_GPIO_IN			0x0
153 #define WM8350_GPIO12_GPIO_OUT			0x0
154 #define WM8350_GPIO12_ISINKE_OUT		0x1
155 #define WM8350_GPIO12_LINE_GT_BATT_OUT		0x2
156 #define WM8350_GPIO12_LINE_EN_OUT		0x3
157 #define WM8350_GPIO12_32KHZ_OUT			0x4
158 
159 #define WM8350_GPIO_DIR_IN			0
160 #define WM8350_GPIO_DIR_OUT			1
161 #define WM8350_GPIO_ACTIVE_LOW			0
162 #define WM8350_GPIO_ACTIVE_HIGH			1
163 #define WM8350_GPIO_PULL_NONE			0
164 #define WM8350_GPIO_PULL_UP			1
165 #define WM8350_GPIO_PULL_DOWN			2
166 #define WM8350_GPIO_INVERT_OFF			0
167 #define WM8350_GPIO_INVERT_ON			1
168 #define WM8350_GPIO_DEBOUNCE_OFF		0
169 #define WM8350_GPIO_DEBOUNCE_ON			1
170 
171 /*
172  * R30 (0x1E) - GPIO Interrupt Status
173  */
174 #define WM8350_GP12_EINT                        0x1000
175 #define WM8350_GP11_EINT                        0x0800
176 #define WM8350_GP10_EINT                        0x0400
177 #define WM8350_GP9_EINT                         0x0200
178 #define WM8350_GP8_EINT                         0x0100
179 #define WM8350_GP7_EINT                         0x0080
180 #define WM8350_GP6_EINT                         0x0040
181 #define WM8350_GP5_EINT                         0x0020
182 #define WM8350_GP4_EINT                         0x0010
183 #define WM8350_GP3_EINT                         0x0008
184 #define WM8350_GP2_EINT                         0x0004
185 #define WM8350_GP1_EINT                         0x0002
186 #define WM8350_GP0_EINT                         0x0001
187 
188 
189 /*
190  * R128 (0x80) - GPIO Debounce
191  */
192 #define WM8350_GP12_DB                          0x1000
193 #define WM8350_GP11_DB                          0x0800
194 #define WM8350_GP10_DB                          0x0400
195 #define WM8350_GP9_DB                           0x0200
196 #define WM8350_GP8_DB                           0x0100
197 #define WM8350_GP7_DB                           0x0080
198 #define WM8350_GP6_DB                           0x0040
199 #define WM8350_GP5_DB                           0x0020
200 #define WM8350_GP4_DB                           0x0010
201 #define WM8350_GP3_DB                           0x0008
202 #define WM8350_GP2_DB                           0x0004
203 #define WM8350_GP1_DB                           0x0002
204 #define WM8350_GP0_DB                           0x0001
205 
206 /*
207  * R129 (0x81) - GPIO Pin pull up Control
208  */
209 #define WM8350_GP12_PU                          0x1000
210 #define WM8350_GP11_PU                          0x0800
211 #define WM8350_GP10_PU                          0x0400
212 #define WM8350_GP9_PU                           0x0200
213 #define WM8350_GP8_PU                           0x0100
214 #define WM8350_GP7_PU                           0x0080
215 #define WM8350_GP6_PU                           0x0040
216 #define WM8350_GP5_PU                           0x0020
217 #define WM8350_GP4_PU                           0x0010
218 #define WM8350_GP3_PU                           0x0008
219 #define WM8350_GP2_PU                           0x0004
220 #define WM8350_GP1_PU                           0x0002
221 #define WM8350_GP0_PU                           0x0001
222 
223 /*
224  * R130 (0x82) - GPIO Pull down Control
225  */
226 #define WM8350_GP12_PD                          0x1000
227 #define WM8350_GP11_PD                          0x0800
228 #define WM8350_GP10_PD                          0x0400
229 #define WM8350_GP9_PD                           0x0200
230 #define WM8350_GP8_PD                           0x0100
231 #define WM8350_GP7_PD                           0x0080
232 #define WM8350_GP6_PD                           0x0040
233 #define WM8350_GP5_PD                           0x0020
234 #define WM8350_GP4_PD                           0x0010
235 #define WM8350_GP3_PD                           0x0008
236 #define WM8350_GP2_PD                           0x0004
237 #define WM8350_GP1_PD                           0x0002
238 #define WM8350_GP0_PD                           0x0001
239 
240 /*
241  * R131 (0x83) - GPIO Interrupt Mode
242  */
243 #define WM8350_GP12_INTMODE                     0x1000
244 #define WM8350_GP11_INTMODE                     0x0800
245 #define WM8350_GP10_INTMODE                     0x0400
246 #define WM8350_GP9_INTMODE                      0x0200
247 #define WM8350_GP8_INTMODE                      0x0100
248 #define WM8350_GP7_INTMODE                      0x0080
249 #define WM8350_GP6_INTMODE                      0x0040
250 #define WM8350_GP5_INTMODE                      0x0020
251 #define WM8350_GP4_INTMODE                      0x0010
252 #define WM8350_GP3_INTMODE                      0x0008
253 #define WM8350_GP2_INTMODE                      0x0004
254 #define WM8350_GP1_INTMODE                      0x0002
255 #define WM8350_GP0_INTMODE                      0x0001
256 
257 /*
258  * R133 (0x85) - GPIO Control
259  */
260 #define WM8350_GP_DBTIME_MASK                   0x00C0
261 
262 /*
263  * R134 (0x86) - GPIO Configuration (i/o)
264  */
265 #define WM8350_GP12_DIR                         0x1000
266 #define WM8350_GP11_DIR                         0x0800
267 #define WM8350_GP10_DIR                         0x0400
268 #define WM8350_GP9_DIR                          0x0200
269 #define WM8350_GP8_DIR                          0x0100
270 #define WM8350_GP7_DIR                          0x0080
271 #define WM8350_GP6_DIR                          0x0040
272 #define WM8350_GP5_DIR                          0x0020
273 #define WM8350_GP4_DIR                          0x0010
274 #define WM8350_GP3_DIR                          0x0008
275 #define WM8350_GP2_DIR                          0x0004
276 #define WM8350_GP1_DIR                          0x0002
277 #define WM8350_GP0_DIR                          0x0001
278 
279 /*
280  * R135 (0x87) - GPIO Pin Polarity / Type
281  */
282 #define WM8350_GP12_CFG                         0x1000
283 #define WM8350_GP11_CFG                         0x0800
284 #define WM8350_GP10_CFG                         0x0400
285 #define WM8350_GP9_CFG                          0x0200
286 #define WM8350_GP8_CFG                          0x0100
287 #define WM8350_GP7_CFG                          0x0080
288 #define WM8350_GP6_CFG                          0x0040
289 #define WM8350_GP5_CFG                          0x0020
290 #define WM8350_GP4_CFG                          0x0010
291 #define WM8350_GP3_CFG                          0x0008
292 #define WM8350_GP2_CFG                          0x0004
293 #define WM8350_GP1_CFG                          0x0002
294 #define WM8350_GP0_CFG                          0x0001
295 
296 /*
297  * R140 (0x8C) - GPIO Function Select 1
298  */
299 #define WM8350_GP3_FN_MASK                      0xF000
300 #define WM8350_GP2_FN_MASK                      0x0F00
301 #define WM8350_GP1_FN_MASK                      0x00F0
302 #define WM8350_GP0_FN_MASK                      0x000F
303 
304 /*
305  * R141 (0x8D) - GPIO Function Select 2
306  */
307 #define WM8350_GP7_FN_MASK                      0xF000
308 #define WM8350_GP6_FN_MASK                      0x0F00
309 #define WM8350_GP5_FN_MASK                      0x00F0
310 #define WM8350_GP4_FN_MASK                      0x000F
311 
312 /*
313  * R142 (0x8E) - GPIO Function Select 3
314  */
315 #define WM8350_GP11_FN_MASK                     0xF000
316 #define WM8350_GP10_FN_MASK                     0x0F00
317 #define WM8350_GP9_FN_MASK                      0x00F0
318 #define WM8350_GP8_FN_MASK                      0x000F
319 
320 /*
321  * R143 (0x8F) - GPIO Function Select 4
322  */
323 #define WM8350_GP12_FN_MASK                     0x000F
324 
325 /*
326  * R230 (0xE6) - GPIO Pin Status
327  */
328 #define WM8350_GP12_LVL                         0x1000
329 #define WM8350_GP11_LVL                         0x0800
330 #define WM8350_GP10_LVL                         0x0400
331 #define WM8350_GP9_LVL                          0x0200
332 #define WM8350_GP8_LVL                          0x0100
333 #define WM8350_GP7_LVL                          0x0080
334 #define WM8350_GP6_LVL                          0x0040
335 #define WM8350_GP5_LVL                          0x0020
336 #define WM8350_GP4_LVL                          0x0010
337 #define WM8350_GP3_LVL                          0x0008
338 #define WM8350_GP2_LVL                          0x0004
339 #define WM8350_GP1_LVL                          0x0002
340 #define WM8350_GP0_LVL                          0x0001
341 
342 struct wm8350;
343 
344 int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func,
345 		       int pol, int pull, int invert, int debounce);
346 
347 struct wm8350_gpio {
348 	struct platform_device *pdev;
349 };
350 
351 /*
352  * GPIO Interrupts
353  */
354 #define WM8350_IRQ_GPIO(x)                      (50 + x)
355 
356 #endif
357