857c893b243f3a95d785be4e65fd384e96d850d3
[linux-2.6.git] / arch / arm / mach-tegra / board-enterprise-power.c
1 /*
2  * arch/arm/mach-tegra/board-enterprise-power.c
3  *
4  * Copyright (C) 2011 NVIDIA, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18  * 02111-1307, USA
19  */
20 #include <linux/i2c.h>
21 #include <linux/pda_power.h>
22 #include <linux/platform_device.h>
23 #include <linux/resource.h>
24 #include <linux/regulator/machine.h>
25 #include <linux/regulator/fixed.h>
26 #include <linux/mfd/tps80031.h>
27 #include <linux/regulator/tps80031-regulator.h>
28 #include <linux/tps80031-charger.h>
29 #include <linux/gpio.h>
30 #include <linux/io.h>
31 #include <linux/cpumask.h>
32 #include <linux/platform_data/tegra_bpc_mgmt.h>
33 #include <linux/regulator/driver.h>
34 #include <linux/regulator/gpio-regulator.h>
35
36 #include <asm/mach-types.h>
37
38 #include <mach/edp.h>
39 #include <mach/iomap.h>
40 #include <mach/irqs.h>
41 #include <mach/pinmux.h>
42 #include <mach/gpio-tegra.h>
43
44 #include "gpio-names.h"
45 #include "board.h"
46 #include "board-enterprise.h"
47 #include "pm.h"
48 #include "tegra3_tsensor.h"
49
50 #define PMC_CTRL                0x0
51 #define PMC_CTRL_INTR_LOW       (1 << 17)
52
53 #define PMC_DPD_PADS_ORIDE              0x01c
54 #define PMC_DPD_PADS_ORIDE_BLINK        (1 << 20)
55
56 /************************ TPS80031 based regulator ****************/
57 static struct regulator_consumer_supply tps80031_vio_supply_a02[] = {
58         REGULATOR_SUPPLY("vio_1v8", NULL),
59         REGULATOR_SUPPLY("avdd_osc", NULL),
60         REGULATOR_SUPPLY("vddio_sys", NULL),
61         REGULATOR_SUPPLY("vddio_uart", NULL),
62         REGULATOR_SUPPLY("pwrdet_uart", NULL),
63         REGULATOR_SUPPLY("vddio_lcd", NULL),
64         REGULATOR_SUPPLY("pwrdet_lcd", NULL),
65         REGULATOR_SUPPLY("vddio_audio", NULL),
66         REGULATOR_SUPPLY("pwrdet_audio", NULL),
67         REGULATOR_SUPPLY("vddio_bb", NULL),
68         REGULATOR_SUPPLY("pwrdet_bb", NULL),
69         REGULATOR_SUPPLY("vddio_gmi", NULL),
70         REGULATOR_SUPPLY("avdd_usb_pll", NULL),
71         REGULATOR_SUPPLY("vddio_cam", NULL),
72         REGULATOR_SUPPLY("pwrdet_cam", NULL),
73         REGULATOR_SUPPLY("vddio_sdmmc1", NULL),
74         REGULATOR_SUPPLY("pwrdet_sdmmc1", NULL),
75         REGULATOR_SUPPLY("vddio_sdmmc4", NULL),
76         REGULATOR_SUPPLY("pwrdet_sdmmc4", NULL),
77         REGULATOR_SUPPLY("avdd_hdmi_pll", NULL),
78         REGULATOR_SUPPLY("vddio_gps", NULL),
79         REGULATOR_SUPPLY("vdd_lcd_buffered", NULL),
80         REGULATOR_SUPPLY("vddio_nand", NULL),
81         REGULATOR_SUPPLY("pwrdet_nand", NULL),
82         REGULATOR_SUPPLY("vddio_sd", NULL),
83         REGULATOR_SUPPLY("vdd_bat", NULL),
84         REGULATOR_SUPPLY("vdd_io", NULL),
85         REGULATOR_SUPPLY("pwrdet_pex_ctl", NULL),
86 };
87
88 static struct regulator_consumer_supply tps80031_vio_supply_a03[] = {
89         REGULATOR_SUPPLY("vio_1v8", NULL),
90         REGULATOR_SUPPLY("vddio_sys", NULL),
91         REGULATOR_SUPPLY("vddio_uart", NULL),
92         REGULATOR_SUPPLY("pwrdet_uart", NULL),
93         REGULATOR_SUPPLY("vddio_lcd", NULL),
94         REGULATOR_SUPPLY("pwrdet_lcd", NULL),
95         REGULATOR_SUPPLY("vddio_audio", NULL),
96         REGULATOR_SUPPLY("pwrdet_audio", NULL),
97         REGULATOR_SUPPLY("vddio_bb", NULL),
98         REGULATOR_SUPPLY("pwrdet_bb", NULL),
99         REGULATOR_SUPPLY("vddio_gmi", NULL),
100         REGULATOR_SUPPLY("vddio_cam", NULL),
101         REGULATOR_SUPPLY("pwrdet_cam", NULL),
102         REGULATOR_SUPPLY("vddio_sdmmc1", NULL),
103         REGULATOR_SUPPLY("pwrdet_sdmmc1", NULL),
104         REGULATOR_SUPPLY("vddio_sdmmc4", NULL),
105         REGULATOR_SUPPLY("pwrdet_sdmmc4", NULL),
106         REGULATOR_SUPPLY("avdd_hdmi_pll", NULL),
107         REGULATOR_SUPPLY("vddio_gps", NULL),
108         REGULATOR_SUPPLY("vdd_lcd_buffered", NULL),
109         REGULATOR_SUPPLY("vddio_nand", NULL),
110         REGULATOR_SUPPLY("pwrdet_nand", NULL),
111         REGULATOR_SUPPLY("vddio_sd", NULL),
112         REGULATOR_SUPPLY("vdd_bat", NULL),
113         REGULATOR_SUPPLY("vdd_io", NULL),
114         REGULATOR_SUPPLY("pwrdet_pex_ctl", NULL),
115 };
116
117 static struct regulator_consumer_supply tps80031_smps1_supply_common[] = {
118         REGULATOR_SUPPLY("vdd_cpu", NULL),
119 };
120
121 static struct regulator_consumer_supply tps80031_smps2_supply_common[] = {
122         REGULATOR_SUPPLY("vdd_core", NULL),
123 };
124
125 static struct regulator_consumer_supply tps80031_smps3_supply_common[] = {
126         REGULATOR_SUPPLY("en_vddio_ddr_1v2", NULL),
127         REGULATOR_SUPPLY("vddio_ddr", NULL),
128         REGULATOR_SUPPLY("vdd_lpddr", NULL),
129         REGULATOR_SUPPLY("ddr_comp_pu", NULL),
130 };
131
132 static struct regulator_consumer_supply tps80031_smps4_supply_a02[] = {
133         REGULATOR_SUPPLY("vddio_sdmmc_2v85", NULL),
134         REGULATOR_SUPPLY("pwrdet_sdmmc3", NULL),
135 };
136
137 static struct regulator_consumer_supply tps80031_smps4_supply_a03[] = {
138         REGULATOR_SUPPLY("vddio_sdmmc_2v85", NULL),
139         REGULATOR_SUPPLY("pwrdet_sdmmc3", NULL),
140         REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
141         REGULATOR_SUPPLY("vddf_core_emmc", NULL),
142 };
143
144 static struct regulator_consumer_supply tps80031_vana_supply_a02[] = {
145         REGULATOR_SUPPLY("unused_vana", NULL),
146 };
147 #define tps80031_vana_supply_a03 tps80031_vana_supply_a02
148
149 static struct regulator_consumer_supply tps80031_ldo1_supply_a02[] = {
150         REGULATOR_SUPPLY("avdd_dsi_csi", NULL),
151         REGULATOR_SUPPLY("avdd_hsic", NULL),
152         REGULATOR_SUPPLY("pwrdet_mipi", NULL),
153 };
154
155 static struct regulator_consumer_supply tps80031_ldo1_supply_a03[] = {
156         REGULATOR_SUPPLY("vdd_ddr_hs", NULL),
157 };
158
159 static struct regulator_consumer_supply tps80031_ldo2_supply_common[] = {
160         REGULATOR_SUPPLY("vdd_rtc", NULL),
161 };
162
163 static struct regulator_consumer_supply tps80031_ldo3_supply_common[] = {
164         REGULATOR_SUPPLY("vdd_vbrtr", NULL),
165 };
166
167 static struct regulator_consumer_supply tps80031_ldo4_supply_a02[] = {
168         REGULATOR_SUPPLY("avdd_lcd", NULL),
169 };
170
171 static struct regulator_consumer_supply tps80031_ldo4_supply_a03[] = {
172         REGULATOR_SUPPLY("avdd_dsi_csi", NULL),
173         REGULATOR_SUPPLY("avdd_hsic", NULL),
174         REGULATOR_SUPPLY("pwrdet_mipi", NULL),
175 };
176
177 static struct regulator_consumer_supply tps80031_ldo5_supply_common[] = {
178         REGULATOR_SUPPLY("vdd_sensor", NULL),
179         REGULATOR_SUPPLY("vdd_compass", NULL),
180         REGULATOR_SUPPLY("vdd_als", NULL),
181         REGULATOR_SUPPLY("vdd_gyro", NULL),
182         REGULATOR_SUPPLY("vdd_touch", NULL),
183         REGULATOR_SUPPLY("vdd_proxim_diode", NULL),
184 };
185
186 static struct regulator_consumer_supply tps80031_ldo6_supply_a02[] = {
187         REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
188         REGULATOR_SUPPLY("vddf_core_emmc", NULL),
189 };
190
191 static struct regulator_consumer_supply tps80031_ldo6_supply_a03[] = {
192         REGULATOR_SUPPLY("avdd_osc", NULL),
193         REGULATOR_SUPPLY("avdd_usb_pll", NULL),
194 };
195
196 static struct regulator_consumer_supply tps80031_ldo7_supply_a02[] = {
197         REGULATOR_SUPPLY("vdd_plla_p_c_s", NULL),
198         REGULATOR_SUPPLY("vdd_pllm", NULL),
199         REGULATOR_SUPPLY("vdd_pllu_d", NULL),
200         REGULATOR_SUPPLY("vdd_pllx", NULL),
201 };
202
203 static struct regulator_consumer_supply tps80031_ldo7_supply_a03[] = {
204         REGULATOR_SUPPLY("avdd_lcd", NULL),
205 };
206
207 static struct regulator_consumer_supply tps80031_ldoln_supply_a02[] = {
208         REGULATOR_SUPPLY("vdd_ddr_hs", NULL),
209 };
210
211 static struct regulator_consumer_supply tps80031_ldoln_supply_a03[] = {
212         REGULATOR_SUPPLY("vdd_plla_p_c_s", NULL),
213         REGULATOR_SUPPLY("vdd_pllm", NULL),
214         REGULATOR_SUPPLY("vdd_pllu_d", NULL),
215         REGULATOR_SUPPLY("vdd_pllx", NULL),
216 };
217
218 static struct regulator_consumer_supply tps80031_ldousb_supply_a02[] = {
219         REGULATOR_SUPPLY("unused_ldousb", NULL),
220 };
221
222 static struct regulator_consumer_supply tps80031_ldousb_supply_a03[] = {
223         REGULATOR_SUPPLY("avdd_usb_hdmi_3v3", NULL),
224         REGULATOR_SUPPLY("avdd_usb", NULL),
225         REGULATOR_SUPPLY("avdd_hdmi", NULL),
226         REGULATOR_SUPPLY("vdd", "4-004c"),
227 };
228
229 static struct regulator_consumer_supply tps80031_vbus_supply_common[] = {
230         REGULATOR_SUPPLY("usb_vbus", NULL),
231 };
232
233 static struct regulator_consumer_supply tps80031_battery_charge_supply[] = {
234         REGULATOR_SUPPLY("usb_bat_chg", NULL),
235 };
236
237 #define TPS_PDATA_INIT(_reg_id, _id, _sname, _minmv, _maxmv, _supply_reg, _always_on,   \
238         _boot_on, _apply_uv, _init_uV, _init_enable, _init_apply,                       \
239         _flags, _ectrl, _delay)                                                         \
240         static struct regulator_init_data reg_idata_##_id##_##_sname = {                \
241                 .constraints = {                                                        \
242                         .name = tps80031_rails(_id),                                    \
243                         .min_uV = (_minmv)*1000,                                        \
244                         .max_uV = (_maxmv)*1000,                                        \
245                         .valid_modes_mask = (REGULATOR_MODE_NORMAL |                    \
246                                         REGULATOR_MODE_STANDBY),                        \
247                         .valid_ops_mask = (REGULATOR_CHANGE_MODE |                      \
248                                         REGULATOR_CHANGE_STATUS |                       \
249                                         REGULATOR_CHANGE_VOLTAGE),                      \
250                         .always_on = _always_on,                                        \
251                         .boot_on = _boot_on,                                            \
252                         .apply_uV = _apply_uv,                                          \
253                 },                                                                      \
254                 .num_consumer_supplies =                                                \
255                         ARRAY_SIZE(tps80031_##_id##_supply_##_sname),                   \
256                 .consumer_supplies = tps80031_##_id##_supply_##_sname,                  \
257         };                                                                              \
258         static struct tps80031_regulator_platform_data pdata_##_id##_##_sname = {       \
259                 .reg_init_data = &reg_idata_##_id##_##_sname,                           \
260                 .regulator_id = TPS80031_REGULATOR_##_reg_id,                           \
261                 .init_uV =  _init_uV * 1000,                                            \
262                 .init_enable = _init_enable,                                            \
263                 .init_apply = _init_apply,                                              \
264                 .flags = _flags,                                                        \
265                 .ext_ctrl_flag = _ectrl,                                                \
266                 .delay_us = _delay,                                                     \
267         }
268
269 TPS_PDATA_INIT(VIO, vio, a02,   600, 2100, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0);
270 TPS_PDATA_INIT(VIO, vio, a03,   600, 2100, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0);
271 TPS_PDATA_INIT(SMPS1, smps1, common, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ2 | PWR_OFF_ON_SLEEP, 0);
272 TPS_PDATA_INIT(SMPS2, smps2, common, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
273 TPS_PDATA_INIT(SMPS3, smps3, common, 600, 2100, 0, 1, 0, 0, -1, 0, 0, 0, 0, 0);
274 TPS_PDATA_INIT(SMPS4, smps4, a02, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
275 TPS_PDATA_INIT(SMPS4, smps4, a03, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
276 TPS_PDATA_INIT(LDO1, ldo1, a02, 1000, 3300, tps80031_rails(vio), 0, 0, 0, -1, 0, 0, 0, 0, 0);
277 TPS_PDATA_INIT(LDO1, ldo1, a03, 1000, 3300, tps80031_rails(vio), 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
278 TPS_PDATA_INIT(LDO2, ldo2, common, 1000, 1000, 0, 1, 1, 1, -1, 0, 0, 0, 0, 0);
279 TPS_PDATA_INIT(LDO3, ldo3, common, 1000, 3300, tps80031_rails(vio), 0, 0, 0, -1, 0, 0, 0, PWR_OFF_ON_SLEEP, 0);
280 TPS_PDATA_INIT(LDO4, ldo4, a02, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0);
281 TPS_PDATA_INIT(LDO4, ldo4, a03, 1000, 3300, tps80031_rails(vio), 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
282 TPS_PDATA_INIT(LDO5, ldo5, common, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0);
283 TPS_PDATA_INIT(LDO6, ldo6, a02, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
284 TPS_PDATA_INIT(LDO6, ldo6, a03, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
285 TPS_PDATA_INIT(LDO7, ldo7, a02, 1000, 3300, tps80031_rails(vio), 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
286 TPS_PDATA_INIT(LDO7, ldo7, a03, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
287 TPS_PDATA_INIT(LDOLN, ldoln, a02, 1000, 3300, tps80031_rails(smps3), 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
288 TPS_PDATA_INIT(LDOLN, ldoln, a03, 1000, 3300, tps80031_rails(vio), 0, 0, 0, -1, 0, 0, 0, PWR_REQ_INPUT_PREQ1, 0);
289 TPS_PDATA_INIT(LDOUSB, ldousb, a02, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, USBLDO_INPUT_VSYS, PWR_OFF_ON_SLEEP, 0);
290 TPS_PDATA_INIT(LDOUSB, ldousb, a03, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, USBLDO_INPUT_VSYS, PWR_REQ_INPUT_PREQ1, 0);
291 TPS_PDATA_INIT(VANA, vana, a02,  1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0);
292 TPS_PDATA_INIT(VANA, vana, a03,  1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0, PWR_OFF_ON_SLEEP, 0);
293 TPS_PDATA_INIT(VBUS, vbus, common,  0, 5000, 0, 0, 0, 0, -1, 0, 0, (VBUS_SW_ONLY | VBUS_DISCHRG_EN_PDN), 0, 100000);
294
295 static struct tps80031_rtc_platform_data rtc_data = {
296         .irq = ENT_TPS80031_IRQ_BASE + TPS80031_INT_RTC_ALARM,
297         .time = {
298                 .tm_year = 2011,
299                 .tm_mon = 0,
300                 .tm_mday = 1,
301                 .tm_hour = 1,
302                 .tm_min = 2,
303                 .tm_sec = 3,
304         },
305         .msecure_gpio = TEGRA_GPIO_PF7,
306 };
307
308 int battery_charger_init(void *board_data)
309 {
310         int ret;
311         ret = gpio_request(TEGRA_GPIO_PF6, "lcd_d14-bat_charge");
312         if (ret < 0) {
313                 pr_err("%s() The gpio_request for battery"
314                                 " charger fails\n", __func__);
315         }
316         gpio_direction_output(TEGRA_GPIO_PF6, 1);
317         return 0;
318 }
319
320 static struct tps80031_charger_platform_data bcharger_pdata = {
321         .max_charge_volt_mV = 4100,
322         .max_charge_current_mA = 1000,
323         .charging_term_current_mA = 100,
324         .watch_time_sec = 100,
325         .irq_base = ENT_TPS80031_IRQ_BASE,
326         .consumer_supplies = tps80031_battery_charge_supply,
327         .num_consumer_supplies = ARRAY_SIZE(tps80031_battery_charge_supply),
328         .board_init = battery_charger_init,
329         .board_data = NULL,
330 };
331
332 static struct tps80031_bg_platform_data battery_gauge_data = {
333         .irq_base = ENT_TPS80031_IRQ_BASE,
334         .battery_present = 1,
335 };
336
337 #define TPS_RTC()                               \
338         {                                               \
339                 .id     = 0,            \
340                 .name   = "rtc_tps80031",       \
341                 .platform_data = &rtc_data,     \
342         }
343
344 #define TPS_BATTERY()                                   \
345         {                                               \
346                 .name   = "tps80031-charger",           \
347                 .platform_data = &bcharger_pdata,       \
348         }
349 #define TPS_BATTERY_GAUGE()                             \
350         {                                               \
351                 .name   = "tps80031-battery-gauge",     \
352                 .platform_data = &battery_gauge_data,   \
353         }
354 #define TPS_GPADC()                                     \
355         {                                               \
356                 .name   = "tps80031-gpadc",             \
357         }
358
359 #define TPS80031_DEVS_COMMON            \
360         TPS_RTC(),                      \
361         TPS_BATTERY(),                  \
362         TPS_BATTERY_GAUGE(),            \
363         TPS_GPADC()
364
365
366 static struct tps80031_subdev_info tps80031_devs[] = {
367         TPS_RTC(),
368         TPS_BATTERY(),
369         TPS_BATTERY_GAUGE(),
370         TPS_GPADC()
371 };
372
373 #define TPS_REG_PDATA(_id, _sname) &pdata_##_id##_##_sname
374 static struct tps80031_regulator_platform_data *tps80031_reg_pdata_a02[] = {
375         TPS_REG_PDATA(vio, a02),
376         TPS_REG_PDATA(smps1, common),
377         TPS_REG_PDATA(smps2, common),
378         TPS_REG_PDATA(smps3, common),
379         TPS_REG_PDATA(ldo2, common),
380         TPS_REG_PDATA(ldo3, common),
381         TPS_REG_PDATA(ldo5, common),
382         TPS_REG_PDATA(vbus, common),
383         TPS_REG_PDATA(smps4, a02),
384         TPS_REG_PDATA(ldo1, a02),
385         TPS_REG_PDATA(ldo4, a02),
386         TPS_REG_PDATA(ldo6, a02),
387         TPS_REG_PDATA(ldo7, a02),
388         TPS_REG_PDATA(ldoln, a02),
389         TPS_REG_PDATA(ldousb, a02),
390         TPS_REG_PDATA(vana, a02),
391 };
392
393 static struct tps80031_regulator_platform_data *tps80031_reg_pdata_a03[] = {
394         TPS_REG_PDATA(vio, a03),
395         TPS_REG_PDATA(smps1, common),
396         TPS_REG_PDATA(smps2, common),
397         TPS_REG_PDATA(smps3, common),
398         TPS_REG_PDATA(ldo2, common),
399         TPS_REG_PDATA(ldo3, common),
400         TPS_REG_PDATA(ldo5, common),
401         TPS_REG_PDATA(vbus, common),
402         TPS_REG_PDATA(smps4, a03),
403         TPS_REG_PDATA(ldo1, a03),
404         TPS_REG_PDATA(ldo4, a03),
405         TPS_REG_PDATA(ldo6, a03),
406         TPS_REG_PDATA(ldo7, a03),
407         TPS_REG_PDATA(ldoln, a03),
408         TPS_REG_PDATA(ldousb, a03),
409         TPS_REG_PDATA(vana, a03),
410 };
411
412 static struct tps80031_clk32k_init_data clk32k_idata[] = {
413         {
414                 .clk32k_nr = TPS80031_CLOCK32K_G,
415                 .enable = true,
416                 .ext_ctrl_flag = 0,
417         },
418         {
419                 .clk32k_nr = TPS80031_CLOCK32K_AUDIO,
420                 .enable = true,
421                 .ext_ctrl_flag = 0,
422         },
423
424
425 };
426
427 static struct tps80031_gpio_init_data gpio_idata_a03[] = {
428         {
429                 .gpio_nr = TPS80031_GPIO_REGEN1,
430                 .ext_ctrl_flag = PWR_REQ_INPUT_PREQ1,
431         },
432         {
433                 .gpio_nr = TPS80031_GPIO_REGEN2,
434                 .ext_ctrl_flag = PWR_REQ_INPUT_PREQ1,
435         },
436         {
437                 .gpio_nr = TPS80031_GPIO_SYSEN,
438                 .ext_ctrl_flag = PWR_REQ_INPUT_PREQ1,
439         },
440 };
441
442 static struct tps80031_pupd_init_data pupd_idata[] = {
443         {
444                 .input_pin = TPS80031_PREQ1,
445                 .setting = TPS80031_PUPD_PULLUP,
446         },
447 };
448
449 static struct tps80031_platform_data tps_platform = {
450         .irq_base       = ENT_TPS80031_IRQ_BASE,
451         .gpio_base      = ENT_TPS80031_GPIO_BASE,
452         .clk32k_init_data       = clk32k_idata,
453         .clk32k_init_data_size  = ARRAY_SIZE(clk32k_idata),
454         .use_power_off  = true,
455 };
456
457 static struct i2c_board_info __initdata enterprise_regulators[] = {
458         {
459                 I2C_BOARD_INFO("tps80031", 0x4A),
460                 .irq            = INT_EXTERNAL_PMU,
461                 .platform_data  = &tps_platform,
462         },
463 };
464
465 /************************ GPIO based fixed regulator ****************/
466 /* REGEN1 from PMU*/
467 static struct regulator_consumer_supply fixed_reg_pmu_5v15_en_supply[] = {
468         REGULATOR_SUPPLY("vdd_5v15", NULL),
469 };
470
471 /* REGEN2 from PMU*/
472 static struct regulator_consumer_supply fixed_reg_pmu_3v3_en_supply[] = {
473         REGULATOR_SUPPLY("avdd_usb_hdmi_3v3", NULL),
474         REGULATOR_SUPPLY("avdd_usb", NULL),
475         REGULATOR_SUPPLY("avdd_hdmi", NULL),
476         REGULATOR_SUPPLY("vdd", "4-004c"),
477 };
478
479 /* SYSEN from PMU*/
480 static struct regulator_consumer_supply fixed_reg_pmu_hdmi_5v0_en_supply[] = {
481         REGULATOR_SUPPLY("hdmi_5v0", NULL),
482 };
483
484 /* LCD-D16 (GPIO M0) from T30*/
485 static struct regulator_consumer_supply fixed_reg_vdd_fuse_en_supply[] = {
486         REGULATOR_SUPPLY("vdd_fuse", NULL),
487 };
488
489 /* LCD-D17 (GPIO M1) from T30*/
490 static struct regulator_consumer_supply gpio_reg_sdmmc3_vdd_sel_supply[] = {
491         REGULATOR_SUPPLY("vddio_sdmmc3_2v85_1v8", NULL),
492         REGULATOR_SUPPLY("sdmmc3_compu_pu", NULL),
493         REGULATOR_SUPPLY("vddio_sdmmc", "sdhci-tegra.2"),
494         REGULATOR_SUPPLY("vsys_3v7", NULL),
495 };
496
497 /* LCD-D23 (GPIO M7) from T30*/
498 /* 2-0036 is dev_name of ar0832 in Enterprise A01*/
499 /* 2-0032 is alternative dev_name of ar0832 Enterprise A01*/
500 /* 2-0010 is dev_name of ov9726 */
501 /* 2-0070 is dev_name of PCA9546 in Enterprise A02*/
502 /* 6-0036 is dev_name of ar0832 in Enterprise A02 */
503 /* 7-0036 is dev_name of ar0832 in Enterprise A02 */
504 static struct regulator_consumer_supply fixed_reg_cam_ldo_2v8_en_supply[] = {
505         REGULATOR_SUPPLY("vaa", "2-0036"),
506         REGULATOR_SUPPLY("vaa", "2-0032"),
507         REGULATOR_SUPPLY("avdd", "2-0010"),
508         REGULATOR_SUPPLY("vdd_2v8_cam", NULL),
509         REGULATOR_SUPPLY("vcc", "2-0070"),
510         REGULATOR_SUPPLY("vaa", "6-0036"),
511         REGULATOR_SUPPLY("vaa", "7-0036"),
512 };
513
514 /* LCD-D9 (GPIO F1) from T30*/
515 /* 2-0036 is dev_name of ar0832 in Enterprise A01*/
516 /* 2-0032 is alternative dev_name of ar0832 Enterprise A01*/
517 /* 2-0010 is dev_name of ov9726 */
518 /* 2-0033 is dev_name of tps61050 */
519 /* 2-0070 is dev_name of PCA9546 in Enterprise A02*/
520 /* 6-0036 is dev_name of ar0832 in Enterprise A02 */
521 /* 7-0036 is dev_name of ar0832 in Enterprise A02 */
522 static struct regulator_consumer_supply fixed_reg_cam_ldo_1v8_en_supply[] = {
523         REGULATOR_SUPPLY("vdd", "2-0036"),
524         REGULATOR_SUPPLY("vdd", "2-0032"),
525         REGULATOR_SUPPLY("dovdd", "2-0010"),
526         REGULATOR_SUPPLY("vdd_1v8_cam", NULL),
527         REGULATOR_SUPPLY("vdd_i2c", "2-0033"),
528         REGULATOR_SUPPLY("vcc_i2c", "2-0070"),
529         REGULATOR_SUPPLY("vdd", "6-0036"),
530         REGULATOR_SUPPLY("vdd", "7-0036"),
531 };
532
533 /* LCD-D10 (GPIO F2) from T30*/
534 static struct regulator_consumer_supply fixed_reg_vdd_sdmmc3_2v85_en_supply[] = {
535         REGULATOR_SUPPLY("en_vdd_sdmmc3", NULL),
536         REGULATOR_SUPPLY("vddio_sd_slot", "sdhci-tegra.2"),
537 };
538
539 /* LCD_PWR0 (GPIO B2) from T30*/
540 static struct regulator_consumer_supply fixed_reg_lcd_1v8_en_supply[] = {
541         REGULATOR_SUPPLY("lcd_vddio_en", NULL),
542 };
543
544 static struct gpio_regulator_state gpio_reg_sdmmc3_vdd_sel_states[] = {
545         {
546                 .gpios = 0,
547                 .value = 2850000,
548         },
549         {
550                 .gpios = 1,
551                 .value = 1800000,
552         },
553 };
554
555 static struct gpio gpio_reg_sdmmc3_vdd_sel_gpios[] = {
556         {
557                 .gpio = TEGRA_GPIO_PM1,
558                 .flags = 0,
559                 .label = "sdmmc3_vdd_sel",
560         },
561 };
562
563 /* Macro for defining gpio regulator device data */
564 #define GPIO_REG(_id, _name, _input_supply, _active_high,               \
565         _boot_state, _delay_us, _minmv, _maxmv)                         \
566         static struct regulator_init_data ri_data_##_name =             \
567         {                                                               \
568                 .supply_regulator = _input_supply,                      \
569                 .num_consumer_supplies =                                \
570                         ARRAY_SIZE(gpio_reg_##_name##_supply),          \
571                 .consumer_supplies = gpio_reg_##_name##_supply,         \
572                 .constraints = {                                        \
573                         .name = "gpio_reg_"#_name,                      \
574                         .min_uV = (_minmv)*1000,                        \
575                         .max_uV = (_maxmv)*1000,                        \
576                         .valid_modes_mask = (REGULATOR_MODE_NORMAL |    \
577                                         REGULATOR_MODE_STANDBY),        \
578                         .valid_ops_mask = (REGULATOR_CHANGE_MODE |      \
579                                         REGULATOR_CHANGE_STATUS |       \
580                                         REGULATOR_CHANGE_VOLTAGE),      \
581                 },                                                      \
582         };                                                              \
583         static struct gpio_regulator_config gpio_reg_##_name##_pdata =  \
584         {                                                               \
585                 .supply_name = _input_supply,                           \
586                 .enable_gpio = -EINVAL,                                 \
587                 .enable_high = _active_high,                            \
588                 .enabled_at_boot = _boot_state,                         \
589                 .startup_delay = _delay_us,                             \
590                 .gpios = gpio_reg_##_name##_gpios,                      \
591                 .nr_gpios = ARRAY_SIZE(gpio_reg_##_name##_gpios),       \
592                 .states = gpio_reg_##_name##_states,                    \
593                 .nr_states = ARRAY_SIZE(gpio_reg_##_name##_states),     \
594                 .type = REGULATOR_VOLTAGE,                              \
595                 .init_data = &ri_data_##_name,                          \
596         };                                                              \
597         static struct platform_device gpio_reg_##_name##_dev = {        \
598                 .name   = "gpio-regulator",                             \
599                 .id = _id,                                              \
600                 .dev    = {                                             \
601                         .platform_data = &gpio_reg_##_name##_pdata,     \
602                 },                                                      \
603         }
604
605 GPIO_REG(4, sdmmc3_vdd_sel,  tps80031_rails(smps4),
606                 true, false, 0, 1000, 3300);
607
608 /* Macro for defining fixed regulator sub device data */
609 #define FIXED_REG(_id, _name, _input_supply, _gpio_nr, _active_high,    \
610                         _millivolts, _boot_state, _sdelay)              \
611         static struct regulator_init_data ri_data_##_name =             \
612         {                                                               \
613                 .supply_regulator = _input_supply,                      \
614                 .num_consumer_supplies =                                \
615                         ARRAY_SIZE(fixed_reg_##_name##_supply),         \
616                 .consumer_supplies = fixed_reg_##_name##_supply,        \
617                 .constraints = {                                        \
618                         .valid_modes_mask = (REGULATOR_MODE_NORMAL |    \
619                                         REGULATOR_MODE_STANDBY),        \
620                         .valid_ops_mask = (REGULATOR_CHANGE_MODE |      \
621                                         REGULATOR_CHANGE_STATUS |       \
622                                         REGULATOR_CHANGE_VOLTAGE),      \
623                 },                                                      \
624         };                                                              \
625         static struct fixed_voltage_config fixed_reg_##_name##_pdata =  \
626         {                                                               \
627                 .supply_name = "fixed_reg_"#_name,                      \
628                 .microvolts = _millivolts * 1000,                       \
629                 .gpio = _gpio_nr,                                       \
630                 .enable_high = _active_high,                            \
631                 .enabled_at_boot = _boot_state,                         \
632                 .init_data = &ri_data_##_name,                          \
633                 .startup_delay = _sdelay,                               \
634         };                                                              \
635         static struct platform_device fixed_reg_##_name##_dev = {       \
636                 .name   = "reg-fixed-voltage",                          \
637                 .id     = _id,                                          \
638                 .dev    = {                                             \
639                         .platform_data = &fixed_reg_##_name##_pdata,    \
640                 },                                                      \
641         }
642
643 FIXED_REG(0, pmu_5v15_en,     NULL,
644                 ENT_TPS80031_GPIO_REGEN1, true, 5000, 0 , 0);
645 FIXED_REG(2, pmu_hdmi_5v0_en, "fixed_reg_pmu_5v15_en",
646                 ENT_TPS80031_GPIO_SYSEN, true, 5000, 0, 0);
647 FIXED_REG(3, vdd_fuse_en,     "fixed_reg_pmu_3v3_en",
648                 TEGRA_GPIO_PM0, true, 3300, 0, 0);
649 FIXED_REG(5, cam_ldo_2v8_en,  NULL,
650                 TEGRA_GPIO_PM7, true, 2800, 0, 0);
651 FIXED_REG(6, cam_ldo_1v8_en,  NULL,
652                 TEGRA_GPIO_PF1, true, 1800, 0, 0);
653
654 /* Enterprise A02- specific */
655 FIXED_REG(1, pmu_3v3_en,      "fixed_reg_pmu_5v15_en",
656                 ENT_TPS80031_GPIO_REGEN2, true, 3300, 0, 500);
657
658 /* Enterprise A03+ specific */
659 FIXED_REG(7, vdd_sdmmc3_2v85_en,  NULL,
660                 TEGRA_GPIO_PF2, true, 2850, 0, 0);
661 FIXED_REG(8, lcd_1v8_en,  NULL,
662                 TEGRA_GPIO_PB2, true, 1800, 0, 0);
663
664 #define ADD_FIXED_REG(_name)    (&fixed_reg_##_name##_dev)
665
666 #define FIXED_REGS_COMMON               \
667         ADD_FIXED_REG(pmu_5v15_en),     \
668         ADD_FIXED_REG(pmu_hdmi_5v0_en), \
669         ADD_FIXED_REG(vdd_fuse_en),     \
670         ADD_FIXED_REG(cam_ldo_2v8_en),  \
671         ADD_FIXED_REG(cam_ldo_1v8_en)
672
673 static struct platform_device *fixed_regs_devices_a02[] = {
674         ADD_FIXED_REG(pmu_5v15_en),     \
675         ADD_FIXED_REG(pmu_3v3_en),      \
676         ADD_FIXED_REG(pmu_hdmi_5v0_en), \
677         ADD_FIXED_REG(vdd_fuse_en),     \
678         ADD_FIXED_REG(cam_ldo_2v8_en),  \
679         ADD_FIXED_REG(cam_ldo_1v8_en)
680 };
681
682 static struct platform_device *fixed_regs_devices_a03[] = {
683         FIXED_REGS_COMMON,
684         ADD_FIXED_REG(vdd_sdmmc3_2v85_en),
685         ADD_FIXED_REG(lcd_1v8_en),
686 };
687
688 #define ADD_GPIO_REG(_name) (&gpio_reg_##_name##_dev)
689 static struct platform_device *gpio_regs_devices[] = {
690         ADD_GPIO_REG(sdmmc3_vdd_sel),
691 };
692
693 static int __init enterprise_fixed_regulator_init(void)
694 {
695         struct board_info board_info;
696         struct platform_device **fixed_regs_devices;
697         int nfixreg_devs;
698
699         tegra_get_board_info(&board_info);
700
701         if (board_info.fab < BOARD_FAB_A03) {
702                 fixed_regs_devices = fixed_regs_devices_a02;
703                 nfixreg_devs = ARRAY_SIZE(fixed_regs_devices_a02);
704         } else {
705                 fixed_regs_devices = fixed_regs_devices_a03;
706                 nfixreg_devs = ARRAY_SIZE(fixed_regs_devices_a03);
707         }
708
709         return platform_add_devices(fixed_regs_devices, nfixreg_devs);
710 }
711
712 static int __init enterprise_gpio_regulator_init(void)
713 {
714         return platform_add_devices(gpio_regs_devices,
715                                     ARRAY_SIZE(gpio_regs_devices));
716 }
717
718 static int __init enterprise_regulators_fixed_gpio_init(void)
719 {
720         int ret;
721
722         if (!machine_is_tegra_enterprise())
723                 return 0;
724
725         ret = enterprise_fixed_regulator_init();
726         if (ret)
727                 return ret;
728
729         ret = enterprise_gpio_regulator_init();
730         return ret;
731 }
732 subsys_initcall_sync(enterprise_regulators_fixed_gpio_init);
733
734 int __init enterprise_regulator_init(void)
735 {
736         void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
737         u32 pmc_ctrl;
738         u32 pmc_dpd_pads;
739         struct board_info board_info;
740
741         tegra_get_board_info(&board_info);
742
743         /* configure the power management controller to trigger PMU
744          * interrupts when low */
745
746         pmc_ctrl = readl(pmc + PMC_CTRL);
747         writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);
748
749         pmc_dpd_pads = readl(pmc + PMC_DPD_PADS_ORIDE);
750         writel(pmc_dpd_pads & ~PMC_DPD_PADS_ORIDE_BLINK , pmc + PMC_DPD_PADS_ORIDE);
751
752         /* Setting CPU voltage tolerance in lower side for 3000uV */
753         pdata_smps1_common.tolerance_uv = 3000;
754
755         /* Disable battery charging if power adapter is connected. */
756         if (get_power_supply_type() == POWER_SUPPLY_TYPE_MAINS) {
757                 bcharger_pdata.num_consumer_supplies = 0;
758                 bcharger_pdata.consumer_supplies = NULL;
759                 battery_gauge_data.battery_present = 0;
760         }
761
762         tps_platform.num_subdevs = ARRAY_SIZE(tps80031_devs);
763         tps_platform.subdevs = tps80031_devs;
764
765         if (board_info.fab < BOARD_FAB_A03) {
766                 tps_platform.num_regulator_pdata = ARRAY_SIZE(tps80031_reg_pdata_a02);
767                 tps_platform.regulator_pdata = tps80031_reg_pdata_a02;
768         } else {
769                 tps_platform.num_regulator_pdata = ARRAY_SIZE(tps80031_reg_pdata_a03);
770                 tps_platform.regulator_pdata = tps80031_reg_pdata_a03;
771                 tps_platform.pupd_init_data = pupd_idata;
772                 tps_platform.pupd_init_data_size = ARRAY_SIZE(pupd_idata);
773                 tps_platform.gpio_init_data = gpio_idata_a03;
774                 tps_platform.gpio_init_data_size = ARRAY_SIZE(gpio_idata_a03);
775         }
776
777         i2c_register_board_info(4, enterprise_regulators, 1);
778         return 0;
779 }
780
781 static void enterprise_board_suspend(int lp_state, enum suspend_stage stg)
782 {
783         if ((lp_state == TEGRA_SUSPEND_LP1) && (stg == TEGRA_SUSPEND_BEFORE_CPU))
784                 tegra_console_uart_suspend();
785 }
786
787 static void enterprise_board_resume(int lp_state, enum resume_stage stg)
788 {
789         if ((lp_state == TEGRA_SUSPEND_LP1) && (stg == TEGRA_RESUME_AFTER_CPU))
790                 tegra_console_uart_resume();
791 }
792
793 static struct tegra_suspend_platform_data enterprise_suspend_data = {
794         .cpu_timer      = 2000,
795         .cpu_off_timer  = 200,
796         .suspend_mode   = TEGRA_SUSPEND_LP0,
797         .core_timer     = 0x7e7e,
798         .core_off_timer = 0,
799         .corereq_high   = true,
800         .sysclkreq_high = true,
801         .board_suspend = enterprise_board_suspend,
802         .board_resume = enterprise_board_resume,
803 };
804
805 static void enterprise_init_deep_sleep_mode(void)
806 {
807         struct board_info bi;
808         tegra_get_board_info(&bi);
809
810         if (bi.board_id == BOARD_E1205 && bi.fab == BOARD_FAB_A01)
811                 enterprise_suspend_data.suspend_mode = TEGRA_SUSPEND_LP1;
812
813         if ((bi.board_id == BOARD_E1205 && (bi.sku & BOARD_SKU_VF_BIT) == 0) ||
814             (bi.board_id == BOARD_E1197 && (bi.sku & BOARD_SKU_VF_BIT)))
815                 enterprise_suspend_data.cpu_timer = 8000;
816 }
817
818 int __init enterprise_suspend_init(void)
819 {
820         enterprise_init_deep_sleep_mode();
821         tegra_init_suspend(&enterprise_suspend_data);
822         return 0;
823 }
824
825 #ifdef CONFIG_TEGRA_EDP_LIMITS
826
827 int __init enterprise_edp_init(void)
828 {
829         unsigned int regulator_mA;
830
831         regulator_mA = get_maximum_cpu_current_supported();
832         if (!regulator_mA) {
833                 regulator_mA = 2500; /* regular AP30 */
834         }
835         pr_info("%s: CPU regulator %d mA\n", __func__, regulator_mA);
836
837         tegra_init_cpu_edp_limits(regulator_mA);
838         tegra_init_system_edp_limits(TEGRA_BPC_CPU_PWR_LIMIT);
839         return 0;
840 }
841 #endif
842
843 static struct tegra_bpc_mgmt_platform_data bpc_mgmt_platform_data = {
844         .gpio_trigger = TEGRA_BPC_TRIGGER,
845         .bpc_mgmt_timeout = TEGRA_BPC_TIMEOUT,
846 };
847
848 static struct platform_device enterprise_bpc_mgmt_device = {
849         .name           = "tegra-bpc-mgmt",
850         .id             = -1,
851         .dev            = {
852                 .platform_data = &bpc_mgmt_platform_data,
853         },
854 };
855
856 void __init enterprise_bpc_mgmt_init(void)
857 {
858 #ifdef CONFIG_SMP
859         int int_gpio = gpio_to_irq(TEGRA_BPC_TRIGGER);
860
861         cpumask_setall(&(bpc_mgmt_platform_data.affinity_mask));
862         irq_set_affinity_hint(int_gpio,
863                                 &(bpc_mgmt_platform_data.affinity_mask));
864         irq_set_affinity(int_gpio, &(bpc_mgmt_platform_data.affinity_mask));
865 #endif
866         platform_device_register(&enterprise_bpc_mgmt_device);
867
868         return;
869 }