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a0e08b86 KG |
1 | /* da9063-irq.c: Interrupts support for Dialog DA9063 |
2 | * | |
3 | * Copyright 2012 Dialog Semiconductor Ltd. | |
4 | * Copyright 2013 Philipp Zabel, Pengutronix | |
5 | * | |
37778d83 | 6 | * Author: Michal Hajduk, Dialog Semiconductor |
a0e08b86 KG |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | */ | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/module.h> | |
17 | #include <linux/irq.h> | |
18 | #include <linux/mfd/core.h> | |
19 | #include <linux/interrupt.h> | |
20 | #include <linux/regmap.h> | |
21 | #include <linux/mfd/da9063/core.h> | |
22 | #include <linux/mfd/da9063/pdata.h> | |
23 | ||
24 | #define DA9063_REG_EVENT_A_OFFSET 0 | |
25 | #define DA9063_REG_EVENT_B_OFFSET 1 | |
26 | #define DA9063_REG_EVENT_C_OFFSET 2 | |
27 | #define DA9063_REG_EVENT_D_OFFSET 3 | |
a0e08b86 | 28 | |
7ce7b26f | 29 | static const struct regmap_irq da9063_irqs[] = { |
a0e08b86 | 30 | /* DA9063 event A register */ |
8b55734d MV |
31 | REGMAP_IRQ_REG(DA9063_IRQ_ONKEY, |
32 | DA9063_REG_EVENT_A_OFFSET, DA9063_M_ONKEY), | |
33 | REGMAP_IRQ_REG(DA9063_IRQ_ALARM, | |
34 | DA9063_REG_EVENT_A_OFFSET, DA9063_M_ALARM), | |
35 | REGMAP_IRQ_REG(DA9063_IRQ_TICK, | |
36 | DA9063_REG_EVENT_A_OFFSET, DA9063_M_TICK), | |
37 | REGMAP_IRQ_REG(DA9063_IRQ_ADC_RDY, | |
38 | DA9063_REG_EVENT_A_OFFSET, DA9063_M_ADC_RDY), | |
39 | REGMAP_IRQ_REG(DA9063_IRQ_SEQ_RDY, | |
40 | DA9063_REG_EVENT_A_OFFSET, DA9063_M_SEQ_RDY), | |
a0e08b86 | 41 | /* DA9063 event B register */ |
8b55734d MV |
42 | REGMAP_IRQ_REG(DA9063_IRQ_WAKE, |
43 | DA9063_REG_EVENT_B_OFFSET, DA9063_M_WAKE), | |
44 | REGMAP_IRQ_REG(DA9063_IRQ_TEMP, | |
45 | DA9063_REG_EVENT_B_OFFSET, DA9063_M_TEMP), | |
46 | REGMAP_IRQ_REG(DA9063_IRQ_COMP_1V2, | |
47 | DA9063_REG_EVENT_B_OFFSET, DA9063_M_COMP_1V2), | |
48 | REGMAP_IRQ_REG(DA9063_IRQ_LDO_LIM, | |
49 | DA9063_REG_EVENT_B_OFFSET, DA9063_M_LDO_LIM), | |
50 | REGMAP_IRQ_REG(DA9063_IRQ_REG_UVOV, | |
51 | DA9063_REG_EVENT_B_OFFSET, DA9063_M_UVOV), | |
52 | REGMAP_IRQ_REG(DA9063_IRQ_DVC_RDY, | |
53 | DA9063_REG_EVENT_B_OFFSET, DA9063_M_DVC_RDY), | |
54 | REGMAP_IRQ_REG(DA9063_IRQ_VDD_MON, | |
55 | DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_MON), | |
56 | REGMAP_IRQ_REG(DA9063_IRQ_WARN, | |
57 | DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_WARN), | |
a0e08b86 | 58 | /* DA9063 event C register */ |
8b55734d MV |
59 | REGMAP_IRQ_REG(DA9063_IRQ_GPI0, |
60 | DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI0), | |
61 | REGMAP_IRQ_REG(DA9063_IRQ_GPI1, | |
62 | DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI1), | |
63 | REGMAP_IRQ_REG(DA9063_IRQ_GPI2, | |
64 | DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI2), | |
65 | REGMAP_IRQ_REG(DA9063_IRQ_GPI3, | |
66 | DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI3), | |
67 | REGMAP_IRQ_REG(DA9063_IRQ_GPI4, | |
68 | DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI4), | |
69 | REGMAP_IRQ_REG(DA9063_IRQ_GPI5, | |
70 | DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI5), | |
71 | REGMAP_IRQ_REG(DA9063_IRQ_GPI6, | |
72 | DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI6), | |
73 | REGMAP_IRQ_REG(DA9063_IRQ_GPI7, | |
74 | DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI7), | |
a0e08b86 | 75 | /* DA9063 event D register */ |
8b55734d MV |
76 | REGMAP_IRQ_REG(DA9063_IRQ_GPI8, |
77 | DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI8), | |
78 | REGMAP_IRQ_REG(DA9063_IRQ_GPI9, | |
79 | DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI9), | |
80 | REGMAP_IRQ_REG(DA9063_IRQ_GPI10, | |
81 | DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI10), | |
82 | REGMAP_IRQ_REG(DA9063_IRQ_GPI11, | |
83 | DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI11), | |
84 | REGMAP_IRQ_REG(DA9063_IRQ_GPI12, | |
85 | DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI12), | |
86 | REGMAP_IRQ_REG(DA9063_IRQ_GPI13, | |
87 | DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI13), | |
88 | REGMAP_IRQ_REG(DA9063_IRQ_GPI14, | |
89 | DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI14), | |
90 | REGMAP_IRQ_REG(DA9063_IRQ_GPI15, | |
91 | DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI15), | |
a0e08b86 KG |
92 | }; |
93 | ||
7ce7b26f | 94 | static const struct regmap_irq_chip da9063_irq_chip = { |
a0e08b86 KG |
95 | .name = "da9063-irq", |
96 | .irqs = da9063_irqs, | |
c727eea9 | 97 | .num_irqs = ARRAY_SIZE(da9063_irqs), |
a0e08b86 KG |
98 | .num_regs = 4, |
99 | .status_base = DA9063_REG_EVENT_A, | |
100 | .mask_base = DA9063_REG_IRQ_MASK_A, | |
101 | .ack_base = DA9063_REG_EVENT_A, | |
102 | .init_ack_masked = true, | |
103 | }; | |
104 | ||
105 | int da9063_irq_init(struct da9063 *da9063) | |
106 | { | |
107 | int ret; | |
108 | ||
109 | if (!da9063->chip_irq) { | |
110 | dev_err(da9063->dev, "No IRQ configured\n"); | |
111 | return -EINVAL; | |
112 | } | |
113 | ||
7494de04 MV |
114 | ret = devm_regmap_add_irq_chip(da9063->dev, da9063->regmap, |
115 | da9063->chip_irq, | |
a0e08b86 KG |
116 | IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED, |
117 | da9063->irq_base, &da9063_irq_chip, | |
118 | &da9063->regmap_irq); | |
119 | if (ret) { | |
120 | dev_err(da9063->dev, "Failed to reguest IRQ %d: %d\n", | |
121 | da9063->chip_irq, ret); | |
122 | return ret; | |
123 | } | |
124 | ||
125 | return 0; | |
126 | } |