1 /*
2 * Core driver interface to access RICOH_RC5T583 power management chip.
3 *
4 * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved.
5 * Author: Laxman dewangan <ldewangan@nvidia.com>
6 *
7 * Based on code
8 * Copyright (C) 2011 RICOH COMPANY,LTD
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms and conditions of the GNU General Public License,
12 * version 2, as published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 *
22 */
23
24 #ifndef __LINUX_MFD_RC5T583_H
25 #define __LINUX_MFD_RC5T583_H
26
27 #include <linux/mutex.h>
28 #include <linux/types.h>
29 #include <linux/regmap.h>
30
31 #define RC5T583_MAX_REGS 0xF8
32
33 /* Maximum number of main interrupts */
34 #define MAX_MAIN_INTERRUPT 5
35 #define RC5T583_MAX_GPEDGE_REG 2
36 #define RC5T583_MAX_INTERRUPT_MASK_REGS 9
37
38 /* Interrupt enable register */
39 #define RC5T583_INT_EN_SYS1 0x19
40 #define RC5T583_INT_EN_SYS2 0x1D
41 #define RC5T583_INT_EN_DCDC 0x41
42 #define RC5T583_INT_EN_RTC 0xED
43 #define RC5T583_INT_EN_ADC1 0x90
44 #define RC5T583_INT_EN_ADC2 0x91
45 #define RC5T583_INT_EN_ADC3 0x92
46
47 /* Interrupt status registers (monitor regs in Ricoh)*/
48 #define RC5T583_INTC_INTPOL 0xAD
49 #define RC5T583_INTC_INTEN 0xAE
50 #define RC5T583_INTC_INTMON 0xAF
51
52 #define RC5T583_INT_MON_GRP 0xAF
53 #define RC5T583_INT_MON_SYS1 0x1B
54 #define RC5T583_INT_MON_SYS2 0x1F
55 #define RC5T583_INT_MON_DCDC 0x43
56 #define RC5T583_INT_MON_RTC 0xEE
57
58 /* Interrupt clearing registers */
59 #define RC5T583_INT_IR_SYS1 0x1A
60 #define RC5T583_INT_IR_SYS2 0x1E
61 #define RC5T583_INT_IR_DCDC 0x42
62 #define RC5T583_INT_IR_RTC 0xEE
63 #define RC5T583_INT_IR_ADCL 0x94
64 #define RC5T583_INT_IR_ADCH 0x95
65 #define RC5T583_INT_IR_ADCEND 0x96
66 #define RC5T583_INT_IR_GPIOR 0xA9
67 #define RC5T583_INT_IR_GPIOF 0xAA
68
69 /* Sleep sequence registers */
70 #define RC5T583_SLPSEQ1 0x21
71 #define RC5T583_SLPSEQ2 0x22
72 #define RC5T583_SLPSEQ3 0x23
73 #define RC5T583_SLPSEQ4 0x24
74 #define RC5T583_SLPSEQ5 0x25
75 #define RC5T583_SLPSEQ6 0x26
76 #define RC5T583_SLPSEQ7 0x27
77 #define RC5T583_SLPSEQ8 0x28
78 #define RC5T583_SLPSEQ9 0x29
79 #define RC5T583_SLPSEQ10 0x2A
80 #define RC5T583_SLPSEQ11 0x2B
81
82 /* Regulator registers */
83 #define RC5T583_REG_DC0CTL 0x30
84 #define RC5T583_REG_DC0DAC 0x31
85 #define RC5T583_REG_DC0LATCTL 0x32
86 #define RC5T583_REG_SR0CTL 0x33
87
88 #define RC5T583_REG_DC1CTL 0x34
89 #define RC5T583_REG_DC1DAC 0x35
90 #define RC5T583_REG_DC1LATCTL 0x36
91 #define RC5T583_REG_SR1CTL 0x37
92
93 #define RC5T583_REG_DC2CTL 0x38
94 #define RC5T583_REG_DC2DAC 0x39
95 #define RC5T583_REG_DC2LATCTL 0x3A
96 #define RC5T583_REG_SR2CTL 0x3B
97
98 #define RC5T583_REG_DC3CTL 0x3C
99 #define RC5T583_REG_DC3DAC 0x3D
100 #define RC5T583_REG_DC3LATCTL 0x3E
101 #define RC5T583_REG_SR3CTL 0x3F
102
103
104 #define RC5T583_REG_LDOEN1 0x50
105 #define RC5T583_REG_LDOEN2 0x51
106 #define RC5T583_REG_LDODIS1 0x52
107 #define RC5T583_REG_LDODIS2 0x53
108
109 #define RC5T583_REG_LDO0DAC 0x54
110 #define RC5T583_REG_LDO1DAC 0x55
111 #define RC5T583_REG_LDO2DAC 0x56
112 #define RC5T583_REG_LDO3DAC 0x57
113 #define RC5T583_REG_LDO4DAC 0x58
114 #define RC5T583_REG_LDO5DAC 0x59
115 #define RC5T583_REG_LDO6DAC 0x5A
116 #define RC5T583_REG_LDO7DAC 0x5B
117 #define RC5T583_REG_LDO8DAC 0x5C
118 #define RC5T583_REG_LDO9DAC 0x5D
119
120 #define RC5T583_REG_DC0DAC_DS 0x60
121 #define RC5T583_REG_DC1DAC_DS 0x61
122 #define RC5T583_REG_DC2DAC_DS 0x62
123 #define RC5T583_REG_DC3DAC_DS 0x63
124
125 #define RC5T583_REG_LDO0DAC_DS 0x64
126 #define RC5T583_REG_LDO1DAC_DS 0x65
127 #define RC5T583_REG_LDO2DAC_DS 0x66
128 #define RC5T583_REG_LDO3DAC_DS 0x67
129 #define RC5T583_REG_LDO4DAC_DS 0x68
130 #define RC5T583_REG_LDO5DAC_DS 0x69
131 #define RC5T583_REG_LDO6DAC_DS 0x6A
132 #define RC5T583_REG_LDO7DAC_DS 0x6B
133 #define RC5T583_REG_LDO8DAC_DS 0x6C
134 #define RC5T583_REG_LDO9DAC_DS 0x6D
135
136 /* GPIO register base address */
137 #define RC5T583_GPIO_IOSEL 0xA0
138 #define RC5T583_GPIO_PDEN 0xA1
139 #define RC5T583_GPIO_IOOUT 0xA2
140 #define RC5T583_GPIO_PGSEL 0xA3
141 #define RC5T583_GPIO_GPINV 0xA4
142 #define RC5T583_GPIO_GPDEB 0xA5
143 #define RC5T583_GPIO_GPEDGE1 0xA6
144 #define RC5T583_GPIO_GPEDGE2 0xA7
145 #define RC5T583_GPIO_EN_INT 0xA8
146 #define RC5T583_GPIO_MON_IOIN 0xAB
147 #define RC5T583_GPIO_GPOFUNC 0xAC
148
149 /* RICOH_RC5T583 IRQ definitions */
150 enum {
151 RC5T583_IRQ_ONKEY,
152 RC5T583_IRQ_ACOK,
153 RC5T583_IRQ_LIDOPEN,
154 RC5T583_IRQ_PREOT,
155 RC5T583_IRQ_CLKSTP,
156 RC5T583_IRQ_ONKEY_OFF,
157 RC5T583_IRQ_WD,
158 RC5T583_IRQ_EN_PWRREQ1,
159 RC5T583_IRQ_EN_PWRREQ2,
160 RC5T583_IRQ_PRE_VINDET,
161
162 RC5T583_IRQ_DC0LIM,
163 RC5T583_IRQ_DC1LIM,
164 RC5T583_IRQ_DC2LIM,
165 RC5T583_IRQ_DC3LIM,
166
167 RC5T583_IRQ_CTC,
168 RC5T583_IRQ_YALE,
169 RC5T583_IRQ_DALE,
170 RC5T583_IRQ_WALE,
171
172 RC5T583_IRQ_AIN1L,
173 RC5T583_IRQ_AIN2L,
174 RC5T583_IRQ_AIN3L,
175 RC5T583_IRQ_VBATL,
176 RC5T583_IRQ_VIN3L,
177 RC5T583_IRQ_VIN8L,
178 RC5T583_IRQ_AIN1H,
179 RC5T583_IRQ_AIN2H,
180 RC5T583_IRQ_AIN3H,
181 RC5T583_IRQ_VBATH,
182 RC5T583_IRQ_VIN3H,
183 RC5T583_IRQ_VIN8H,
184 RC5T583_IRQ_ADCEND,
185
186 RC5T583_IRQ_GPIO0,
187 RC5T583_IRQ_GPIO1,
188 RC5T583_IRQ_GPIO2,
189 RC5T583_IRQ_GPIO3,
190 RC5T583_IRQ_GPIO4,
191 RC5T583_IRQ_GPIO5,
192 RC5T583_IRQ_GPIO6,
193 RC5T583_IRQ_GPIO7,
194
195 /* Should be last entry */
196 RC5T583_MAX_IRQS,
197 };
198
199 /* Ricoh583 gpio definitions */
200 enum {
201 RC5T583_GPIO0,
202 RC5T583_GPIO1,
203 RC5T583_GPIO2,
204 RC5T583_GPIO3,
205 RC5T583_GPIO4,
206 RC5T583_GPIO5,
207 RC5T583_GPIO6,
208 RC5T583_GPIO7,
209
210 /* Should be last entry */
211 RC5T583_MAX_GPIO,
212 };
213
214 enum {
215 RC5T583_DS_NONE,
216 RC5T583_DS_DC0,
217 RC5T583_DS_DC1,
218 RC5T583_DS_DC2,
219 RC5T583_DS_DC3,
220 RC5T583_DS_LDO0,
221 RC5T583_DS_LDO1,
222 RC5T583_DS_LDO2,
223 RC5T583_DS_LDO3,
224 RC5T583_DS_LDO4,
225 RC5T583_DS_LDO5,
226 RC5T583_DS_LDO6,
227 RC5T583_DS_LDO7,
228 RC5T583_DS_LDO8,
229 RC5T583_DS_LDO9,
230 RC5T583_DS_PSO0,
231 RC5T583_DS_PSO1,
232 RC5T583_DS_PSO2,
233 RC5T583_DS_PSO3,
234 RC5T583_DS_PSO4,
235 RC5T583_DS_PSO5,
236 RC5T583_DS_PSO6,
237 RC5T583_DS_PSO7,
238
239 /* Should be last entry */
240 RC5T583_DS_MAX,
241 };
242
243 /*
244 * Ricoh pmic RC5T583 supports sleep through two external controls.
245 * The output of gpios and regulator can be enable/disable through
246 * this external signals.
247 */
248 enum {
249 RC5T583_EXT_PWRREQ1_CONTROL = 0x1,
250 RC5T583_EXT_PWRREQ2_CONTROL = 0x2,
251 };
252
253 struct rc5t583 {
254 struct device *dev;
255 struct regmap *regmap;
256 int chip_irq;
257 int irq_base;
258 struct mutex irq_lock;
259 unsigned long group_irq_en[MAX_MAIN_INTERRUPT];
260
261 /* For main interrupt bits in INTC */
262 uint8_t intc_inten_reg;
263
264 /* For group interrupt bits and address */
265 uint8_t irq_en_reg[RC5T583_MAX_INTERRUPT_MASK_REGS];
266
267 /* For gpio edge */
268 uint8_t gpedge_reg[RC5T583_MAX_GPEDGE_REG];
269 };
270
271 /*
272 * rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
273 * The board specific data is provided through this structure.
274 * @irq_base: Irq base number on which this device registers their interrupts.
275 * @enable_shutdown: Enable shutdown through the input pin "shutdown".
276 */
277
278 struct rc5t583_platform_data {
279 int irq_base;
280 bool enable_shutdown;
281 };
282
rc5t583_write(struct device * dev,uint8_t reg,uint8_t val)283 static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
284 {
285 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
286 return regmap_write(rc5t583->regmap, reg, val);
287 }
288
rc5t583_read(struct device * dev,uint8_t reg,uint8_t * val)289 static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
290 {
291 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
292 unsigned int ival;
293 int ret;
294 ret = regmap_read(rc5t583->regmap, reg, &ival);
295 if (!ret)
296 *val = (uint8_t)ival;
297 return ret;
298 }
299
rc5t583_set_bits(struct device * dev,unsigned int reg,unsigned int bit_mask)300 static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
301 unsigned int bit_mask)
302 {
303 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
304 return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
305 }
306
rc5t583_clear_bits(struct device * dev,unsigned int reg,unsigned int bit_mask)307 static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
308 unsigned int bit_mask)
309 {
310 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
311 return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
312 }
313
rc5t583_update(struct device * dev,unsigned int reg,unsigned int val,unsigned int mask)314 static inline int rc5t583_update(struct device *dev, unsigned int reg,
315 unsigned int val, unsigned int mask)
316 {
317 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
318 return regmap_update_bits(rc5t583->regmap, reg, mask, val);
319 }
320
321 int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
322 int ext_pwr_req, int deepsleep_slot_nr);
323 int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
324 int rc5t583_irq_exit(struct rc5t583 *rc5t583);
325
326 #endif
327