2 * arch/arm/mach-tegra/board-enterprise-power.c
4 * Copyright (C) 2011 NVIDIA, Inc.
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.
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.
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
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/gpio-switch-regulator.h>
26 #include <linux/mfd/tps80031.h>
27 #include <linux/regulator/tps80031-regulator.h>
28 #include <linux/gpio.h>
31 #include <mach/iomap.h>
32 #include <mach/irqs.h>
33 #include <mach/pinmux.h>
35 #include "gpio-names.h"
36 #include "board-enterprise.h"
38 #include "wakeups-t3.h"
41 #define PMC_CTRL_INTR_LOW (1 << 17)
43 /************************ TPS80031 based regulator ****************/
44 static struct regulator_consumer_supply tps80031_vio_supply[] = {
45 REGULATOR_SUPPLY("vio_1v8", NULL),
46 REGULATOR_SUPPLY("avdd_osc", NULL),
47 REGULATOR_SUPPLY("vddio_sys", NULL),
48 REGULATOR_SUPPLY("vddio_uart", NULL),
49 REGULATOR_SUPPLY("vddio_lcd", NULL),
50 REGULATOR_SUPPLY("vddio_audio", NULL),
51 REGULATOR_SUPPLY("vddio_bb", NULL),
52 REGULATOR_SUPPLY("vddio_gmi", NULL),
53 REGULATOR_SUPPLY("avdd_usb_pll", NULL),
54 REGULATOR_SUPPLY("vddio_cam", NULL),
55 REGULATOR_SUPPLY("vddio_sdmmc1", NULL),
56 REGULATOR_SUPPLY("vddio_sdmmc4", NULL),
57 REGULATOR_SUPPLY("avdd_hdmi_pll", NULL),
58 REGULATOR_SUPPLY("vddio_gps", NULL),
59 REGULATOR_SUPPLY("vdd_lcd_buffered", NULL),
60 REGULATOR_SUPPLY("vddio_nand", NULL),
61 REGULATOR_SUPPLY("vddio_sd", NULL),
62 REGULATOR_SUPPLY("vdd_bat", NULL),
63 REGULATOR_SUPPLY("vdd_io", NULL),
66 static struct regulator_consumer_supply tps80031_smps1_supply[] = {
67 REGULATOR_SUPPLY("vdd_cpu", NULL),
70 static struct regulator_consumer_supply tps80031_smps2_supply[] = {
71 REGULATOR_SUPPLY("vdd_core", NULL),
74 static struct regulator_consumer_supply tps80031_smps3_supply[] = {
75 REGULATOR_SUPPLY("en_vddio_ddr_1v2", NULL),
76 REGULATOR_SUPPLY("vddio_ddr", NULL),
77 REGULATOR_SUPPLY("vdd_lpddr", NULL),
78 REGULATOR_SUPPLY("ddr_comp_pu", NULL),
81 static struct regulator_consumer_supply tps80031_smps4_supply[] = {
82 REGULATOR_SUPPLY("vddio_sdmmc_2v85", NULL),
85 static struct regulator_consumer_supply tps80031_vana_supply[] = {
86 REGULATOR_SUPPLY("unused_vana", NULL),
89 static struct regulator_consumer_supply tps80031_ldo1_supply[] = {
90 REGULATOR_SUPPLY("avdd_dsi_csi", NULL),
93 static struct regulator_consumer_supply tps80031_ldo2_supply[] = {
94 REGULATOR_SUPPLY("vdd_rtc", NULL),
97 static struct regulator_consumer_supply tps80031_ldo3_supply[] = {
98 REGULATOR_SUPPLY("vdd_vbrtr", NULL),
101 static struct regulator_consumer_supply tps80031_ldo4_supply[] = {
102 REGULATOR_SUPPLY("avdd_lcd", NULL),
105 static struct regulator_consumer_supply tps80031_ldo5_supply[] = {
106 REGULATOR_SUPPLY("vdd_sensor", NULL),
107 REGULATOR_SUPPLY("vdd_compass", NULL),
108 REGULATOR_SUPPLY("vdd_als", NULL),
109 REGULATOR_SUPPLY("vdd_gyro", NULL),
110 REGULATOR_SUPPLY("vdd_touch", NULL),
111 REGULATOR_SUPPLY("vdd_proxim_diode", NULL),
114 static struct regulator_consumer_supply tps80031_ldo6_supply[] = {
115 REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
116 REGULATOR_SUPPLY("vddf_core_emmc", NULL),
119 static struct regulator_consumer_supply tps80031_ldo7_supply[] = {
120 REGULATOR_SUPPLY("vdd_plla_p_c_s", NULL),
121 REGULATOR_SUPPLY("vdd_pllm", NULL),
122 REGULATOR_SUPPLY("vdd_pllu_d", NULL),
123 REGULATOR_SUPPLY("vdd_pllx", NULL),
126 static struct regulator_consumer_supply tps80031_ldoln_supply[] = {
127 REGULATOR_SUPPLY("vdd_ddr_hs", NULL),
130 static struct regulator_consumer_supply tps80031_ldousb_supply[] = {
131 REGULATOR_SUPPLY("unused_ldousb", NULL),
134 static struct regulator_consumer_supply tps80031_vbus_supply[] = {
135 REGULATOR_SUPPLY("usb_vbus", NULL),
138 #define TPS_PDATA_INIT(_id, _minmv, _maxmv, _supply_reg, _always_on, \
139 _boot_on, _apply_uv, _init_uV, _init_enable, _init_apply, _flags) \
140 static struct tps80031_regulator_platform_data pdata_##_id = { \
143 .min_uV = (_minmv)*1000, \
144 .max_uV = (_maxmv)*1000, \
145 .valid_modes_mask = (REGULATOR_MODE_NORMAL | \
146 REGULATOR_MODE_STANDBY), \
147 .valid_ops_mask = (REGULATOR_CHANGE_MODE | \
148 REGULATOR_CHANGE_STATUS | \
149 REGULATOR_CHANGE_VOLTAGE), \
150 .always_on = _always_on, \
151 .boot_on = _boot_on, \
152 .apply_uV = _apply_uv, \
154 .num_consumer_supplies = \
155 ARRAY_SIZE(tps80031_##_id##_supply), \
156 .consumer_supplies = tps80031_##_id##_supply, \
157 .supply_regulator = _supply_reg, \
159 .init_uV = _init_uV * 1000, \
160 .init_enable = _init_enable, \
161 .init_apply = _init_apply, \
165 TPS_PDATA_INIT(vio, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0);
166 TPS_PDATA_INIT(smps1, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0);
167 TPS_PDATA_INIT(smps2, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0);
168 TPS_PDATA_INIT(smps3, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0);
169 TPS_PDATA_INIT(smps4, 600, 2100, 0, 0, 0, 0, -1, 0, 0, 0);
171 TPS_PDATA_INIT(ldo1, 1000, 3300, tps80031_rails(VIO), 0, 0, 0, -1, 0, 0, 0);
172 TPS_PDATA_INIT(ldo2, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0);
173 TPS_PDATA_INIT(ldo3, 1000, 3300, tps80031_rails(VIO), 0, 0, 0, -1, 0, 0, 0);
174 TPS_PDATA_INIT(ldo4, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0);
175 TPS_PDATA_INIT(ldo5, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0);
176 TPS_PDATA_INIT(ldo6, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0);
177 TPS_PDATA_INIT(ldo7, 1000, 3300, tps80031_rails(VIO), 0, 0, 0, -1, 0, 0, 0);
178 TPS_PDATA_INIT(ldoln, 1000, 3300, tps80031_rails(SMPS3), 0, 0, 0, -1, 0, 0, 0);
179 TPS_PDATA_INIT(ldousb, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, USBLDO_INPUT_VSYS);
180 TPS_PDATA_INIT(vana, 1000, 3300, 0, 0, 0, 0, -1, 0, 0, 0);
181 TPS_PDATA_INIT(vbus, 0, 5000, 0, 0, 0, 0, -1, 0, 0, VBUS_SW_ONLY);
183 static struct tps80031_rtc_platform_data rtc_data = {
184 .irq = TPS80031_IRQ_BASE + TPS80031_INT_RTC_ALARM,
198 .name = "rtc_tps80031", \
199 .platform_data = &rtc_data, \
202 #define TPS_REG(_id, _data) \
204 .id = TPS80031_ID_##_id, \
205 .name = "tps80031-regulator", \
206 .platform_data = &pdata_##_data, \
209 static struct tps80031_subdev_info tps80031_devs[] = {
211 TPS_REG(SMPS1, smps1),
212 TPS_REG(SMPS2, smps2),
213 TPS_REG(SMPS3, smps3),
214 TPS_REG(SMPS4, smps4),
222 TPS_REG(LDOLN, ldoln),
223 TPS_REG(LDOUSB, ldousb),
229 struct tps80031_32kclock_plat_data clk32k_pdata = {
232 static struct tps80031_platform_data tps_platform = {
233 .num_subdevs = ARRAY_SIZE(tps80031_devs),
234 .subdevs = tps80031_devs,
235 .irq_base = TPS80031_IRQ_BASE,
236 .gpio_base = TPS80031_GPIO_BASE,
237 .clk32k_pdata = &clk32k_pdata,
240 static struct i2c_board_info __initdata enterprise_regulators[] = {
242 I2C_BOARD_INFO("tps80031", 0x48),
243 .irq = INT_EXTERNAL_PMU,
244 .platform_data = &tps_platform,
248 /************************ GPIO based switch regulator ****************/
251 static struct regulator_consumer_supply gpio_switch_pmu_5v15_en_supply[] = {
252 REGULATOR_SUPPLY("vdd_5v15", NULL),
254 static int gpio_switch_pmu_5v15_en_voltages[] = {5000};
257 static struct regulator_consumer_supply gpio_switch_pmu_3v3_en_supply[] = {
258 REGULATOR_SUPPLY("avdd_usb_hdmi_3v3", NULL),
259 REGULATOR_SUPPLY("avdd_usb", NULL),
260 REGULATOR_SUPPLY("avdd_hdmi", NULL),
261 REGULATOR_SUPPLY("vdd_nct1008", NULL),
263 static int gpio_switch_pmu_3v3_en_voltages[] = {3300};
266 static struct regulator_consumer_supply gpio_switch_pmu_hdmi_5v0_en_supply[] = {
267 REGULATOR_SUPPLY("hdmi_5v0", NULL),
269 static int gpio_switch_pmu_hdmi_5v0_en_voltages[] = {5000};
271 /* LCD-D16 (GPIO M0) from T30*/
272 static struct regulator_consumer_supply gpio_switch_vdd_fuse_en_supply[] = {
273 REGULATOR_SUPPLY("vpp_fuse", NULL),
275 static int gpio_switch_vdd_fuse_en_voltages[] = {3300};
277 /* LCD-D17 (GPIO M1) from T30*/
278 static struct regulator_consumer_supply gpio_switch_sdmmc3_vdd_sel_supply[] = {
279 REGULATOR_SUPPLY("vddio_sdmmc3_2v85_1v8", NULL),
280 REGULATOR_SUPPLY("sdmmc3_compu_pu", NULL),
281 REGULATOR_SUPPLY("vddio_sdmmc3", NULL),
283 static int gpio_switch_sdmmc3_vdd_sel_voltages[] = {2850};
285 /* LCD-D23 (GPIO M7) from T30*/
286 static struct regulator_consumer_supply gpio_switch_cam_ldo_2v8_en_supply[] = {
287 REGULATOR_SUPPLY("vdd_2v8_cam", NULL),
289 static int gpio_switch_cam_ldo_2v8_en_voltages[] = {2800};
291 /* LCD-D9 (GPIO F1) from T30*/
292 static struct regulator_consumer_supply gpio_switch_cam_ldo_1v8_en_supply[] = {
293 REGULATOR_SUPPLY("vdd_1v8_cam", NULL),
295 static int gpio_switch_cam_ldo_1v8_en_voltages[] = {1800};
297 /* Macro for defining gpio switch regulator sub device data */
298 #define GREG_INIT(_id, _name, _input_supply, _gpio_nr, _active_low, \
299 _init_state, _pg, _enable, _disable) \
300 static struct gpio_switch_regulator_subdev_data gpio_pdata_##_name = \
302 .regulator_name = "gpio-switch-"#_name, \
303 .input_supply = _input_supply, \
305 .gpio_nr = _gpio_nr, \
307 .active_low = _active_low, \
308 .init_state = _init_state, \
309 .voltages = gpio_switch_##_name##_voltages, \
310 .n_voltages = ARRAY_SIZE(gpio_switch_##_name##_voltages), \
311 .num_consumer_supplies = \
312 ARRAY_SIZE(gpio_switch_##_name##_supply), \
313 .consumer_supplies = gpio_switch_##_name##_supply, \
315 .valid_modes_mask = (REGULATOR_MODE_NORMAL | \
316 REGULATOR_MODE_STANDBY), \
317 .valid_ops_mask = (REGULATOR_CHANGE_MODE | \
318 REGULATOR_CHANGE_STATUS | \
319 REGULATOR_CHANGE_VOLTAGE), \
321 .enable_rail = _enable, \
322 .disable_rail = _disable, \
325 GREG_INIT(0, pmu_5v15_en, NULL, TPS80031_GPIO_REGEN1, false, 0, 0, 0, 0);
326 GREG_INIT(1, pmu_3v3_en, "vdd_5v15", TPS80031_GPIO_REGEN2, false, 0, 0, 0, 0);
327 GREG_INIT(2, pmu_hdmi_5v0_en, "vdd_5v15", TPS80031_GPIO_SYSEN, false, 0, 0, 0, 0);
329 GREG_INIT(3, vdd_fuse_en, "avdd_usb_hdmi_3v3", TEGRA_GPIO_PM0, false, 0, 0, 0, 0);
330 GREG_INIT(4, sdmmc3_vdd_sel, "vddio_sdmmc_2v85", TEGRA_GPIO_PM1, false, 0, 0, 0, 0);
331 GREG_INIT(5, cam_ldo_2v8_en, NULL, TEGRA_GPIO_PM7, false, 0, 0, 0, 0);
332 GREG_INIT(6, cam_ldo_1v8_en, NULL, TEGRA_GPIO_PF1, false, 0, 0, 0, 0);
334 #define ADD_GPIO_REG(_name) (&gpio_pdata_##_name)
335 static struct gpio_switch_regulator_subdev_data *gswitch_subdevs[] = {
336 ADD_GPIO_REG(pmu_5v15_en),
337 ADD_GPIO_REG(pmu_3v3_en),
338 ADD_GPIO_REG(pmu_hdmi_5v0_en),
339 ADD_GPIO_REG(vdd_fuse_en),
340 ADD_GPIO_REG(sdmmc3_vdd_sel),
341 ADD_GPIO_REG(cam_ldo_2v8_en),
342 ADD_GPIO_REG(cam_ldo_1v8_en),
345 static struct gpio_switch_regulator_platform_data gswitch_pdata = {
346 .num_subdevs = ARRAY_SIZE(gswitch_subdevs),
347 .subdevs = gswitch_subdevs,
350 static struct platform_device gswitch_regulator_pdata = {
351 .name = "gpio-switch-regulator",
354 .platform_data = &gswitch_pdata,
358 static int __init enterprise_gpio_switch_regulator_init(void)
361 for (i = 0; i < gswitch_pdata.num_subdevs; ++i) {
362 struct gpio_switch_regulator_subdev_data *gswitch_data =
363 gswitch_pdata.subdevs[i];
364 if (gswitch_data->gpio_nr <= TEGRA_NR_GPIOS)
365 tegra_gpio_enable(gswitch_data->gpio_nr);
367 return platform_device_register(&gswitch_regulator_pdata);
370 static void enterprise_power_off(void)
373 pr_info("enterprise: Powering off the device\n");
374 ret = tps80031_power_off();
376 pr_err("enterprise: failed to power off\n");
380 int __init enterprise_regulator_init(void)
382 void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
385 /* configure the power management controller to trigger PMU
386 * interrupts when low */
388 pmc_ctrl = readl(pmc + PMC_CTRL);
389 writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);
391 i2c_register_board_info(4, enterprise_regulators, 1);
392 enterprise_gpio_switch_regulator_init();
393 pm_power_off = enterprise_power_off;
397 static struct tegra_suspend_platform_data enterprise_suspend_data = {
399 .cpu_off_timer = 200,
400 .suspend_mode = TEGRA_SUSPEND_LP1,
401 .core_timer = 0x7e7e,
403 .corereq_high = true,
404 .sysclkreq_high = true,
407 int __init enterprise_suspend_init(void)
409 tegra_init_suspend(&enterprise_suspend_data);