tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
150enum {
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 */
200enum {
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
214enum {
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 */
248enum {
249 RC5T583_EXT_PWRREQ1_CONTROL = 0x1,
250 RC5T583_EXT_PWRREQ2_CONTROL = 0x2,
251};
252
253enum {
254 RC5T583_REGULATOR_DC0,
255 RC5T583_REGULATOR_DC1,
256 RC5T583_REGULATOR_DC2,
257 RC5T583_REGULATOR_DC3,
258 RC5T583_REGULATOR_LDO0,
259 RC5T583_REGULATOR_LDO1,
260 RC5T583_REGULATOR_LDO2,
261 RC5T583_REGULATOR_LDO3,
262 RC5T583_REGULATOR_LDO4,
263 RC5T583_REGULATOR_LDO5,
264 RC5T583_REGULATOR_LDO6,
265 RC5T583_REGULATOR_LDO7,
266 RC5T583_REGULATOR_LDO8,
267 RC5T583_REGULATOR_LDO9,
268
269 /* Should be last entry */
270 RC5T583_REGULATOR_MAX,
271};
272
273struct rc5t583 {
274 struct device *dev;
275 struct regmap *regmap;
276 int chip_irq;
277 int irq_base;
278 struct mutex irq_lock;
279 unsigned long group_irq_en[MAX_MAIN_INTERRUPT];
280
281 /* For main interrupt bits in INTC */
282 uint8_t intc_inten_reg;
283
284 /* For group interrupt bits and address */
285 uint8_t irq_en_reg[RC5T583_MAX_INTERRUPT_MASK_REGS];
286
287 /* For gpio edge */
288 uint8_t gpedge_reg[RC5T583_MAX_GPEDGE_REG];
289};
290
291/*
292 * rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
293 * The board specific data is provided through this structure.
294 * @irq_base: Irq base number on which this device registers their interrupts.
295 * @gpio_base: GPIO base from which gpio of this device will start.
296 * @enable_shutdown: Enable shutdown through the input pin "shutdown".
297 * @regulator_deepsleep_slot: The slot number on which device goes to sleep
298 * in device sleep mode.
299 * @regulator_ext_pwr_control: External power request regulator control. The
300 * regulator output enable/disable is controlled by the external
301 * power request input state.
302 * @reg_init_data: Regulator init data.
303 */
304
305struct rc5t583_platform_data {
306 int irq_base;
307 int gpio_base;
308 bool enable_shutdown;
309 int regulator_deepsleep_slot[RC5T583_REGULATOR_MAX];
310 unsigned long regulator_ext_pwr_control[RC5T583_REGULATOR_MAX];
311 struct regulator_init_data *reg_init_data[RC5T583_REGULATOR_MAX];
312};
313
314static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
315{
316 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
317 return regmap_write(rc5t583->regmap, reg, val);
318}
319
320static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
321{
322 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
323 unsigned int ival;
324 int ret;
325 ret = regmap_read(rc5t583->regmap, reg, &ival);
326 if (!ret)
327 *val = (uint8_t)ival;
328 return ret;
329}
330
331static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
332 unsigned int bit_mask)
333{
334 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
335 return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
336}
337
338static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
339 unsigned int bit_mask)
340{
341 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
342 return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
343}
344
345static inline int rc5t583_update(struct device *dev, unsigned int reg,
346 unsigned int val, unsigned int mask)
347{
348 struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
349 return regmap_update_bits(rc5t583->regmap, reg, mask, val);
350}
351
352int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
353 int ext_pwr_req, int deepsleep_slot_nr);
354int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
355int rc5t583_irq_exit(struct rc5t583 *rc5t583);
356
357#endif