1 /*
2 * Copyright (C) 2010 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 #include <linux/regulator/machine.h>
22 #include <linux/mfd/tps6586x.h>
23
24 #include <mach/irqs.h>
25
26 #include "board-harmony.h"
27
28 static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
29 REGULATOR_SUPPLY("pex_clk", NULL),
30 };
31
32 static struct regulator_init_data ldo0_data = {
33 .constraints = {
34 .min_uV = 3300 * 1000,
35 .max_uV = 3300 * 1000,
36 .valid_modes_mask = (REGULATOR_MODE_NORMAL |
37 REGULATOR_MODE_STANDBY),
38 .valid_ops_mask = (REGULATOR_CHANGE_MODE |
39 REGULATOR_CHANGE_STATUS |
40 REGULATOR_CHANGE_VOLTAGE),
41 .apply_uV = 1,
42 },
43 .num_consumer_supplies = ARRAY_SIZE(tps658621_ldo0_supply),
44 .consumer_supplies = tps658621_ldo0_supply,
45 };
46
47 #define HARMONY_REGULATOR_INIT(_id, _minmv, _maxmv) \
48 static struct regulator_init_data _id##_data = { \
49 .constraints = { \
50 .min_uV = (_minmv)*1000, \
51 .max_uV = (_maxmv)*1000, \
52 .valid_modes_mask = (REGULATOR_MODE_NORMAL | \
53 REGULATOR_MODE_STANDBY), \
54 .valid_ops_mask = (REGULATOR_CHANGE_MODE | \
55 REGULATOR_CHANGE_STATUS | \
56 REGULATOR_CHANGE_VOLTAGE), \
57 }, \
58 }
59
60 HARMONY_REGULATOR_INIT(sm0, 725, 1500);
61 HARMONY_REGULATOR_INIT(sm1, 725, 1500);
62 HARMONY_REGULATOR_INIT(sm2, 3000, 4550);
63 HARMONY_REGULATOR_INIT(ldo1, 725, 1500);
64 HARMONY_REGULATOR_INIT(ldo2, 725, 1500);
65 HARMONY_REGULATOR_INIT(ldo3, 1250, 3300);
66 HARMONY_REGULATOR_INIT(ldo4, 1700, 2475);
67 HARMONY_REGULATOR_INIT(ldo5, 1250, 3300);
68 HARMONY_REGULATOR_INIT(ldo6, 1250, 3300);
69 HARMONY_REGULATOR_INIT(ldo7, 1250, 3300);
70 HARMONY_REGULATOR_INIT(ldo8, 1250, 3300);
71 HARMONY_REGULATOR_INIT(ldo9, 1250, 3300);
72
73 #define TPS_REG(_id, _data) \
74 { \
75 .id = TPS6586X_ID_##_id, \
76 .name = "tps6586x-regulator", \
77 .platform_data = _data, \
78 }
79
80 static struct tps6586x_subdev_info tps_devs[] = {
81 TPS_REG(SM_0, &sm0_data),
82 TPS_REG(SM_1, &sm1_data),
83 TPS_REG(SM_2, &sm2_data),
84 TPS_REG(LDO_0, &ldo0_data),
85 TPS_REG(LDO_1, &ldo1_data),
86 TPS_REG(LDO_2, &ldo2_data),
87 TPS_REG(LDO_3, &ldo3_data),
88 TPS_REG(LDO_4, &ldo4_data),
89 TPS_REG(LDO_5, &ldo5_data),
90 TPS_REG(LDO_6, &ldo6_data),
91 TPS_REG(LDO_7, &ldo7_data),
92 TPS_REG(LDO_8, &ldo8_data),
93 TPS_REG(LDO_9, &ldo9_data),
94 };
95
96 static struct tps6586x_platform_data tps_platform = {
97 .irq_base = TEGRA_NR_IRQS,
98 .num_subdevs = ARRAY_SIZE(tps_devs),
99 .subdevs = tps_devs,
100 .gpio_base = HARMONY_GPIO_TPS6586X(0),
101 };
102
103 static struct i2c_board_info __initdata harmony_regulators[] = {
104 {
105 I2C_BOARD_INFO("tps6586x", 0x34),
106 .irq = INT_EXTERNAL_PMU,
107 .platform_data = &tps_platform,
108 },
109 };
110
harmony_regulator_init(void)111 int __init harmony_regulator_init(void)
112 {
113 i2c_register_board_info(3, harmony_regulators, 1);
114
115 return 0;
116 }
117