summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-tegra/board-harmony-power.c
blob: 21d1285731b39a3e1cd71aa1a6367d72e3478b25 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright (C) 2010 NVIDIA, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307, USA
 */
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps6586x.h>

#include <mach/iomap.h>
#include <mach/irqs.h>

#include "board-harmony.h"

#define PMC_CTRL		0x0
#define PMC_CTRL_INTR_LOW	(1 << 17)

static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
	REGULATOR_SUPPLY("pex_clk", NULL),
};

static struct regulator_init_data ldo0_data = {
	.constraints = {
		.min_uV = 1250 * 1000,
		.max_uV = 3300 * 1000,
		.valid_modes_mask = (REGULATOR_MODE_NORMAL |
				     REGULATOR_MODE_STANDBY),
		.valid_ops_mask = (REGULATOR_CHANGE_MODE |
				   REGULATOR_CHANGE_STATUS |
				   REGULATOR_CHANGE_VOLTAGE),
	},
	.num_consumer_supplies = ARRAY_SIZE(tps658621_ldo0_supply),
	.consumer_supplies = tps658621_ldo0_supply,
};

#define HARMONY_REGULATOR_INIT(_id, _minmv, _maxmv)			\
	static struct regulator_init_data _id##_data = {		\
		.constraints = {					\
			.min_uV = (_minmv)*1000,			\
			.max_uV = (_maxmv)*1000,			\
			.valid_modes_mask = (REGULATOR_MODE_NORMAL |	\
					     REGULATOR_MODE_STANDBY),	\
			.valid_ops_mask = (REGULATOR_CHANGE_MODE |	\
					   REGULATOR_CHANGE_STATUS |	\
					   REGULATOR_CHANGE_VOLTAGE),	\
		},							\
	}

HARMONY_REGULATOR_INIT(sm0, 725, 1500);
HARMONY_REGULATOR_INIT(sm1, 725, 1500);
HARMONY_REGULATOR_INIT(sm2, 3000, 4550);
HARMONY_REGULATOR_INIT(ldo1, 725, 1500);
HARMONY_REGULATOR_INIT(ldo2, 725, 1500);
HARMONY_REGULATOR_INIT(ldo3, 1250, 3300);
HARMONY_REGULATOR_INIT(ldo4, 1700, 2475);
HARMONY_REGULATOR_INIT(ldo5, 1250, 3300);
HARMONY_REGULATOR_INIT(ldo6, 1250, 3300);
HARMONY_REGULATOR_INIT(ldo7, 1250, 3300);
HARMONY_REGULATOR_INIT(ldo8, 1250, 3300);
HARMONY_REGULATOR_INIT(ldo9, 1250, 3300);

#define TPS_REG(_id, _data)			\
	{					\
		.id = TPS6586X_ID_##_id,	\
		.name = "tps6586x-regulator",	\
		.platform_data = _data,		\
	}

static struct tps6586x_subdev_info tps_devs[] = {
	TPS_REG(SM_0, &sm0_data),
	TPS_REG(SM_1, &sm1_data),
	TPS_REG(SM_2, &sm2_data),
	TPS_REG(LDO_0, &ldo0_data),
	TPS_REG(LDO_1, &ldo1_data),
	TPS_REG(LDO_2, &ldo2_data),
	TPS_REG(LDO_3, &ldo3_data),
	TPS_REG(LDO_4, &ldo4_data),
	TPS_REG(LDO_5, &ldo5_data),
	TPS_REG(LDO_6, &ldo6_data),
	TPS_REG(LDO_7, &ldo7_data),
	TPS_REG(LDO_8, &ldo8_data),
	TPS_REG(LDO_9, &ldo9_data),
};

static struct tps6586x_platform_data tps_platform = {
	.irq_base	= TEGRA_NR_IRQS,
	.num_subdevs	= ARRAY_SIZE(tps_devs),
	.subdevs	= tps_devs,
	.gpio_base	= HARMONY_GPIO_TPS6586X(0),
};

static struct i2c_board_info __initdata harmony_regulators[] = {
	{
		I2C_BOARD_INFO("tps6586x", 0x34),
		.irq		= INT_EXTERNAL_PMU,
		.platform_data	= &tps_platform,
	},
};

int __init harmony_regulator_init(void)
{
	void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
	u32 pmc_ctrl;

	/*
	 * Configure the power management controller to trigger PMU
	 * interrupts when low
	 */
	pmc_ctrl = readl(pmc + PMC_CTRL);
	writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL);

	i2c_register_board_info(3, harmony_regulators, 1);

	return 0;
}
OpenPOWER on IntegriCloud