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diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c
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1/*
2 * Copyright (C) 2010-2011 NVIDIA, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
16 * 02111-1307, USA
17 */
18#include <linux/i2c.h>
19#include <linux/platform_device.h>
20#include <linux/gpio.h>
21
22#include <linux/regulator/machine.h>
23#include <linux/regulator/fixed.h>
24#include <linux/mfd/tps6586x.h>
25#include <linux/io.h>
26
27#include <mach/iomap.h>
28#include <mach/irqs.h>
29
30#include "board-harmony.h"
31#include "pm.h"
32
33#define PMC_CTRL 0x0
34#define PMC_CTRL_INTR_LOW (1 << 17)
35
36static struct regulator_consumer_supply tps658621_sm0_supply[] = {
37 REGULATOR_SUPPLY("vdd_core", NULL),
38};
39
40static struct regulator_consumer_supply tps658621_sm1_supply[] = {
41 REGULATOR_SUPPLY("vdd_cpu", NULL),
42};
43
44static struct regulator_consumer_supply tps658621_sm2_supply[] = {
45 REGULATOR_SUPPLY("vdd_sm2", NULL),
46};
47
48static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
49 REGULATOR_SUPPLY("p_cam_avdd", NULL),
50};
51
52static struct regulator_consumer_supply tps658621_ldo1_supply[] = {
53 REGULATOR_SUPPLY("avdd_pll", NULL),
54};
55
56static struct regulator_consumer_supply tps658621_ldo2_supply[] = {
57 REGULATOR_SUPPLY("vdd_rtc", NULL),
58};
59
60static struct regulator_consumer_supply tps658621_ldo3_supply[] = {
61 REGULATOR_SUPPLY("avdd_usb", NULL),
62 REGULATOR_SUPPLY("avdd_usb_pll", NULL),
63 REGULATOR_SUPPLY("avdd_lvds", NULL),
64};
65
66static struct regulator_consumer_supply tps658621_ldo4_supply[] = {
67 REGULATOR_SUPPLY("avdd_osc", NULL),
68 REGULATOR_SUPPLY("vddio_sys", "panjit_touch"),
69};
70
71static struct regulator_consumer_supply tps658621_ldo5_supply[] = {
72 REGULATOR_SUPPLY("vcore_mmc", "sdhci-tegra.1"),
73 REGULATOR_SUPPLY("vcore_mmc", "sdhci-tegra.3"),
74};
75
76static struct regulator_consumer_supply tps658621_ldo6_supply[] = {
77 REGULATOR_SUPPLY("avdd_vdac", NULL),
78};
79
80static struct regulator_consumer_supply tps658621_ldo7_supply[] = {
81 REGULATOR_SUPPLY("avdd_hdmi", NULL),
82 REGULATOR_SUPPLY("vdd_fuse", NULL),
83};
84
85static struct regulator_consumer_supply tps658621_ldo8_supply[] = {
86 REGULATOR_SUPPLY("avdd_hdmi_pll", NULL),
87};
88
89static struct regulator_consumer_supply tps658621_ldo9_supply[] = {
90 REGULATOR_SUPPLY("avdd_2v85", NULL),
91 REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
92 REGULATOR_SUPPLY("avdd_amp", NULL),
93};
94
95/* regulator supplies power to WWAN - by default disable */
96static struct regulator_consumer_supply vdd_1v5_consumer_supply[] = {
97 REGULATOR_SUPPLY("vdd_1v5", NULL),
98};
99
100static struct regulator_init_data vdd_1v5_initdata = {
101 .consumer_supplies = vdd_1v5_consumer_supply,
102 .num_consumer_supplies = 1,
103 .constraints = {
104 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
105 .always_on = 0,
106 },
107};
108
109static struct fixed_voltage_config vdd_1v5 = {
110 .supply_name = "vdd_1v5",
111 .microvolts = 1500000, /* Enable 1.5V */
112 .gpio = TPS_GPIO_EN_1V5, /* GPIO BASE+0 */
113 .startup_delay = 0,
114 .enable_high = 0,
115 .enabled_at_boot = 0,
116 .init_data = &vdd_1v5_initdata,
117};
118
119/* regulator supplies power to WLAN - enable here, to satisfy SDIO probing */
120static struct regulator_consumer_supply vdd_1v2_consumer_supply[] = {
121 REGULATOR_SUPPLY("vdd_1v2", NULL),
122};
123
124static struct regulator_init_data vdd_1v2_initdata = {
125 .consumer_supplies = vdd_1v2_consumer_supply,
126 .num_consumer_supplies = 1,
127 .constraints = {
128 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
129 .always_on = 1,
130 },
131};
132
133static struct fixed_voltage_config vdd_1v2 = {
134 .supply_name = "vdd_1v2",
135 .microvolts = 1200000, /* Enable 1.2V */
136 .gpio = TPS_GPIO_EN_1V2, /* GPIO BASE+1 */
137 .startup_delay = 0,
138 .enable_high = 1,
139 .enabled_at_boot = 1,
140 .init_data = &vdd_1v2_initdata,
141};
142
143/* regulator supplies power to PLL - enable here */
144static struct regulator_consumer_supply vdd_1v05_consumer_supply[] = {
145 REGULATOR_SUPPLY("vdd_1v05", NULL),
146};
147
148static struct regulator_init_data vdd_1v05_initdata = {
149 .consumer_supplies = vdd_1v05_consumer_supply,
150 .num_consumer_supplies = 1,
151 .constraints = {
152 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
153 .always_on = 1,
154 },
155};
156
157static struct fixed_voltage_config vdd_1v05 = {
158 .supply_name = "vdd_1v05",
159 .microvolts = 1050000, /* Enable 1.05V */
160 .gpio = TPS_GPIO_EN_1V05, /* BASE+2 */
161 .startup_delay = 0,
162 .enable_high = 1,
163 .enabled_at_boot = 0,
164 .init_data = &vdd_1v05_initdata,
165};
166
167/* mode pin for 1.05V regulator - enable here */
168static struct regulator_consumer_supply vdd_1v05_mode_consumer_supply[] = {
169 REGULATOR_SUPPLY("vdd_1v05_mode", NULL),
170};
171
172static struct regulator_init_data vdd_1v05_mode_initdata = {
173 .consumer_supplies = vdd_1v05_mode_consumer_supply,
174 .num_consumer_supplies = 1,
175 .constraints = {
176 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
177 .always_on = 1,
178 },
179};
180
181static struct fixed_voltage_config vdd_1v05_mode = {
182 .supply_name = "vdd_1v05_mode",
183 .microvolts = 1050000, /* Enable 1.05V */
184 .gpio = TPS_GPIO_MODE_1V05, /* BASE+3 */
185 .startup_delay = 0,
186 .enable_high = 1,
187 .enabled_at_boot = 0,
188 .init_data = &vdd_1v05_mode_initdata,
189};
190
191#define REGULATOR_INIT(_id, _minmv, _maxmv) \
192 { \
193 .constraints = { \
194 .min_uV = (_minmv)*1000, \
195 .max_uV = (_maxmv)*1000, \
196 .valid_modes_mask = (REGULATOR_MODE_NORMAL | \
197 REGULATOR_MODE_STANDBY), \
198 .valid_ops_mask = (REGULATOR_CHANGE_MODE | \
199 REGULATOR_CHANGE_STATUS | \
200 REGULATOR_CHANGE_VOLTAGE), \
201 }, \
202 .num_consumer_supplies = ARRAY_SIZE(tps658621_##_id##_supply),\
203 .consumer_supplies = tps658621_##_id##_supply, \
204 }
205
206static struct regulator_init_data sm0_data = REGULATOR_INIT(sm0, 725, 1500);
207static struct regulator_init_data sm1_data = REGULATOR_INIT(sm1, 725, 1500);
208static struct regulator_init_data sm2_data = REGULATOR_INIT(sm2, 3000, 4550);
209static struct regulator_init_data ldo0_data = REGULATOR_INIT(ldo0, 1250, 3300);
210static struct regulator_init_data ldo1_data = REGULATOR_INIT(ldo1, 725, 1500);
211static struct regulator_init_data ldo2_data = REGULATOR_INIT(ldo2, 725, 1500);
212static struct regulator_init_data ldo3_data = REGULATOR_INIT(ldo3, 1250, 3300);
213static struct regulator_init_data ldo4_data = REGULATOR_INIT(ldo4, 1700, 2475);
214static struct regulator_init_data ldo5_data = REGULATOR_INIT(ldo5, 1250, 3300);
215static struct regulator_init_data ldo6_data = REGULATOR_INIT(ldo6, 1250, 3300);
216static struct regulator_init_data ldo7_data = REGULATOR_INIT(ldo7, 1250, 3300);
217static struct regulator_init_data ldo8_data = REGULATOR_INIT(ldo8, 1250, 3300);
218static struct regulator_init_data ldo9_data = REGULATOR_INIT(ldo9, 1250, 3300);
219
220static struct tps6586x_rtc_platform_data rtc_data = {
221 .irq = TEGRA_NR_IRQS + TPS6586X_INT_RTC_ALM1,
222 .start = {
223 .year = 2009,
224 .month = 1,
225 .day = 1,
226 },
227 .cl_sel = TPS6586X_RTC_CL_SEL_1_5PF /* use lowest (external 20pF cap) */
228};
229
230#define TPS_REG(_id, _data) \
231 { \
232 .id = TPS6586X_ID_##_id, \
233 .name = "tps6586x-regulator", \
234 .platform_data = _data, \
235 }
236
237#define TPS_GPIO_FIXED_REG(_id, _data) \
238 { \
239 .id = _id, \
240 .name = "reg-fixed-voltage", \
241 .platform_data = _data, \
242 }
243
244static struct tps6586x_subdev_info tps_devs[] = {
245 TPS_REG(SM_0, &sm0_data),
246 TPS_REG(SM_1, &sm1_data),
247 TPS_REG(SM_2, &sm2_data),
248 TPS_REG(LDO_0, &ldo0_data),
249 TPS_REG(LDO_1, &ldo1_data),
250 TPS_REG(LDO_2, &ldo2_data),
251 TPS_REG(LDO_3, &ldo3_data),
252 TPS_REG(LDO_4, &ldo4_data),
253 TPS_REG(LDO_5, &ldo5_data),
254 TPS_REG(LDO_6, &ldo6_data),
255 TPS_REG(LDO_7, &ldo7_data),
256 TPS_REG(LDO_8, &ldo8_data),
257 TPS_REG(LDO_9, &ldo9_data),
258 TPS_GPIO_FIXED_REG(0, &vdd_1v5),
259 TPS_GPIO_FIXED_REG(1, &vdd_1v2),
260 TPS_GPIO_FIXED_REG(2, &vdd_1v05),
261 TPS_GPIO_FIXED_REG(3, &vdd_1v05_mode),
262 {
263 .id = 0,
264 .name = "tps6586x-rtc",
265 .platform_data = &rtc_data,
266 },
267};
268
269static struct tps6586x_platform_data tps_platform = {
270 .irq_base = TEGRA_NR_IRQS,
271 .num_subdevs = ARRAY_SIZE(tps_devs),
272 .subdevs = tps_devs,
273 .gpio_base = HARMONY_GPIO_TPS6586X(0),
274 .use_power_off = true,
275};
276
277static struct i2c_board_info __initdata harmony_regulators[] = {
278 {
279 I2C_BOARD_INFO("tps6586x", 0x34),
280 .irq = INT_EXTERNAL_PMU,
281 .platform_data = &tps_platform,
282 },
283};
284
285static void harmony_board_suspend(int lp_state, enum suspend_stage stg)
286{
287 if ((lp_state == TEGRA_SUSPEND_LP1) && (stg == TEGRA_SUSPEND_BEFORE_CPU))
288 tegra_console_uart_suspend();
289}
290
291static void harmony_board_resume(int lp_state, enum resume_stage stg)
292{
293 if ((lp_state == TEGRA_SUSPEND_LP1) && (stg == TEGRA_RESUME_AFTER_CPU))
294 tegra_console_uart_resume();
295}
296
297static struct tegra_suspend_platform_data harmony_suspend_data = {
298 /*
299 * Check power on time and crystal oscillator start time
300 * for appropriate settings.
301 */
302 .cpu_timer = 5000,
303 .cpu_off_timer = 5000,
304 .suspend_mode = TEGRA_SUSPEND_LP0,
305 .core_timer = 0x7e7e,
306 .core_off_timer = 0x7f,
307 .corereq_high = false,
308 .sysclkreq_high = true,
309 .board_suspend = harmony_board_suspend,
310 .board_resume = harmony_board_resume,
311};
312
313int __init harmony_suspend_init(void)
314{
315 tegra_init_suspend(&harmony_suspend_data);
316 return 0;
317}
318
319int __init harmony_regulator_init(void)
320{
321 void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
322 u32 pmc_ctrl;
323
324 /* configure the power management controller to trigger PMU
325 * interrupts when low */
326 pmc_ctrl = readl(pmc + PMC_CTRL);
327 writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);
328
329 i2c_register_board_info(4, harmony_regulators, 1);
330
331 return 0;
332}
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-21 08:55:28 -0400