aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mfd/intel_soc_pmic_crc.c
blob: 7107cab832e6006b6da357a3d952eda7a50e12aa (plain) (blame)
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*
 * intel_soc_pmic_crc.c - Device access for Crystal Cove PMIC
 *
 * Copyright (C) 2013, 2014 Intel Corporation. All rights reserved.
 *
 * 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.
 *
 * Author: Yang, Bin <bin.yang@intel.com>
 * Author: Zhu, Lejun <lejun.zhu@linux.intel.com>
 */

#include <linux/mfd/core.h>
#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/mfd/intel_soc_pmic.h>
#include "intel_soc_pmic_core.h"

#define CRYSTAL_COVE_MAX_REGISTER	0xC6

#define CRYSTAL_COVE_REG_IRQLVL1	0x02
#define CRYSTAL_COVE_REG_MIRQLVL1	0x0E

#define CRYSTAL_COVE_IRQ_PWRSRC		0
#define CRYSTAL_COVE_IRQ_THRM		1
#define CRYSTAL_COVE_IRQ_BCU		2
#define CRYSTAL_COVE_IRQ_ADC		3
#define CRYSTAL_COVE_IRQ_CHGR		4
#define CRYSTAL_COVE_IRQ_GPIO		5
#define CRYSTAL_COVE_IRQ_VHDMIOCP	6

static struct resource gpio_resources[] = {
	{
		.name	= "GPIO",
		.start	= CRYSTAL_COVE_IRQ_GPIO,
		.end	= CRYSTAL_COVE_IRQ_GPIO,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct resource pwrsrc_resources[] = {
	{
		.name  = "PWRSRC",
		.start = CRYSTAL_COVE_IRQ_PWRSRC,
		.end   = CRYSTAL_COVE_IRQ_PWRSRC,
		.flags = IORESOURCE_IRQ,
	},
};

static struct resource adc_resources[] = {
	{
		.name  = "ADC",
		.start = CRYSTAL_COVE_IRQ_ADC,
		.end   = CRYSTAL_COVE_IRQ_ADC,
		.flags = IORESOURCE_IRQ,
	},
};

static struct resource thermal_resources[] = {
	{
		.name  = "THERMAL",
		.start = CRYSTAL_COVE_IRQ_THRM,
		.end   = CRYSTAL_COVE_IRQ_THRM,
		.flags = IORESOURCE_IRQ,
	},
};

static struct resource bcu_resources[] = {
	{
		.name  = "BCU",
		.start = CRYSTAL_COVE_IRQ_BCU,
		.end   = CRYSTAL_COVE_IRQ_BCU,
		.flags = IORESOURCE_IRQ,
	},
};

static struct mfd_cell crystal_cove_dev[] = {
	{
		.name = "crystal_cove_pwrsrc",
		.num_resources = ARRAY_SIZE(pwrsrc_resources),
		.resources = pwrsrc_resources,
	},
	{
		.name = "crystal_cove_adc",
		.num_resources = ARRAY_SIZE(adc_resources),
		.resources = adc_resources,
	},
	{
		.name = "crystal_cove_thermal",
		.num_resources = ARRAY_SIZE(thermal_resources),
		.resources = thermal_resources,
	},
	{
		.name = "crystal_cove_bcu",
		.num_resources = ARRAY_SIZE(bcu_resources),
		.resources = bcu_resources,
	},
	{
		.name = "crystal_cove_gpio",
		.num_resources = ARRAY_SIZE(gpio_resources),
		.resources = gpio_resources,
	},
};

static struct regmap_config crystal_cove_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,

	.max_register = CRYSTAL_COVE_MAX_REGISTER,
	.cache_type = REGCACHE_NONE,
};

static const struct regmap_irq crystal_cove_irqs[] = {
	[CRYSTAL_COVE_IRQ_PWRSRC] = {
		.mask = BIT(CRYSTAL_COVE_IRQ_PWRSRC),
	},
	[CRYSTAL_COVE_IRQ_THRM] = {
		.mask = BIT(CRYSTAL_COVE_IRQ_THRM),
	},
	[CRYSTAL_COVE_IRQ_BCU] = {
		.mask = BIT(CRYSTAL_COVE_IRQ_BCU),
	},
	[CRYSTAL_COVE_IRQ_ADC] = {
		.mask = BIT(CRYSTAL_COVE_IRQ_ADC),
	},
	[CRYSTAL_COVE_IRQ_CHGR] = {
		.mask = BIT(CRYSTAL_COVE_IRQ_CHGR),
	},
	[CRYSTAL_COVE_IRQ_GPIO] = {
		.mask = BIT(CRYSTAL_COVE_IRQ_GPIO),
	},
	[CRYSTAL_COVE_IRQ_VHDMIOCP] = {
		.mask = BIT(CRYSTAL_COVE_IRQ_VHDMIOCP),
	},
};

static struct regmap_irq_chip crystal_cove_irq_chip = {
	.name = "Crystal Cove",
	.irqs = crystal_cove_irqs,
	.num_irqs = ARRAY_SIZE(crystal_cove_irqs),
	.num_regs = 1,
	.status_base = CRYSTAL_COVE_REG_IRQLVL1,
	.mask_base = CRYSTAL_COVE_REG_MIRQLVL1,
};

struct intel_soc_pmic_config intel_soc_pmic_config_crc = {
	.irq_flags = IRQF_TRIGGER_RISING,
	.cell_dev = crystal_cove_dev,
	.n_cell_devs = ARRAY_SIZE(crystal_cove_dev),
	.regmap_config = &crystal_cove_regmap_config,
	.irq_chip = &crystal_cove_irq_chip,
};