1*abd46274SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2796f5692SAndrew F. Davis /*
3796f5692SAndrew F. Davis * Core functions for TI TPS65912x PMICs
4796f5692SAndrew F. Davis *
54f4ed454SAlexander A. Klimov * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
6796f5692SAndrew F. Davis * Andrew F. Davis <afd@ti.com>
7796f5692SAndrew F. Davis *
8796f5692SAndrew F. Davis * Based on the TPS65218 driver and the previous TPS65912 driver by
9796f5692SAndrew F. Davis * Margarita Olaya Cabrera <magi@slimlogic.co.uk>
10796f5692SAndrew F. Davis */
11796f5692SAndrew F. Davis
12796f5692SAndrew F. Davis #include <linux/interrupt.h>
13796f5692SAndrew F. Davis #include <linux/mfd/core.h>
14796f5692SAndrew F. Davis #include <linux/module.h>
15796f5692SAndrew F. Davis
16796f5692SAndrew F. Davis #include <linux/mfd/tps65912.h>
17796f5692SAndrew F. Davis
18796f5692SAndrew F. Davis static const struct mfd_cell tps65912_cells[] = {
19796f5692SAndrew F. Davis { .name = "tps65912-regulator", },
20796f5692SAndrew F. Davis { .name = "tps65912-gpio", },
21796f5692SAndrew F. Davis };
22796f5692SAndrew F. Davis
23796f5692SAndrew F. Davis static const struct regmap_irq tps65912_irqs[] = {
24796f5692SAndrew F. Davis /* INT_STS IRQs */
25796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_F, 0, TPS65912_INT_STS_PWRHOLD_F),
26796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_VMON, 0, TPS65912_INT_STS_VMON),
27796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PWRON, 0, TPS65912_INT_STS_PWRON),
28796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PWRON_LP, 0, TPS65912_INT_STS_PWRON_LP),
29796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_R, 0, TPS65912_INT_STS_PWRHOLD_R),
30796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_HOTDIE, 0, TPS65912_INT_STS_HOTDIE),
31796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_R, 0, TPS65912_INT_STS_GPIO1_R),
32796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_F, 0, TPS65912_INT_STS_GPIO1_F),
33796f5692SAndrew F. Davis /* INT_STS2 IRQs */
34796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_R, 1, TPS65912_INT_STS2_GPIO2_R),
35796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_F, 1, TPS65912_INT_STS2_GPIO2_F),
36796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_R, 1, TPS65912_INT_STS2_GPIO3_R),
37796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_F, 1, TPS65912_INT_STS2_GPIO3_F),
38796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_R, 1, TPS65912_INT_STS2_GPIO4_R),
39796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_F, 1, TPS65912_INT_STS2_GPIO4_F),
40796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_R, 1, TPS65912_INT_STS2_GPIO5_R),
41796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_F, 1, TPS65912_INT_STS2_GPIO5_F),
42796f5692SAndrew F. Davis /* INT_STS3 IRQs */
43796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC1, 2, TPS65912_INT_STS3_PGOOD_DCDC1),
44796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC2, 2, TPS65912_INT_STS3_PGOOD_DCDC2),
45796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC3, 2, TPS65912_INT_STS3_PGOOD_DCDC3),
46796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC4, 2, TPS65912_INT_STS3_PGOOD_DCDC4),
47796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO1, 2, TPS65912_INT_STS3_PGOOD_LDO1),
48796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO2, 2, TPS65912_INT_STS3_PGOOD_LDO2),
49796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO3, 2, TPS65912_INT_STS3_PGOOD_LDO3),
50796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO4, 2, TPS65912_INT_STS3_PGOOD_LDO4),
51796f5692SAndrew F. Davis /* INT_STS4 IRQs */
52796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO5, 3, TPS65912_INT_STS4_PGOOD_LDO5),
53796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO6, 3, TPS65912_INT_STS4_PGOOD_LDO6),
54796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO7, 3, TPS65912_INT_STS4_PGOOD_LDO7),
55796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO8, 3, TPS65912_INT_STS4_PGOOD_LDO8),
56796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO9, 3, TPS65912_INT_STS4_PGOOD_LDO9),
57796f5692SAndrew F. Davis REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO10, 3, TPS65912_INT_STS4_PGOOD_LDO10),
58796f5692SAndrew F. Davis };
59796f5692SAndrew F. Davis
60796f5692SAndrew F. Davis static struct regmap_irq_chip tps65912_irq_chip = {
61796f5692SAndrew F. Davis .name = "tps65912",
62796f5692SAndrew F. Davis .irqs = tps65912_irqs,
63796f5692SAndrew F. Davis .num_irqs = ARRAY_SIZE(tps65912_irqs),
64796f5692SAndrew F. Davis .num_regs = 4,
65796f5692SAndrew F. Davis .irq_reg_stride = 2,
66796f5692SAndrew F. Davis .mask_base = TPS65912_INT_MSK,
67796f5692SAndrew F. Davis .status_base = TPS65912_INT_STS,
68796f5692SAndrew F. Davis .ack_base = TPS65912_INT_STS,
69796f5692SAndrew F. Davis .init_ack_masked = true,
70796f5692SAndrew F. Davis };
71796f5692SAndrew F. Davis
72054814b8SArnd Bergmann static const struct regmap_range tps65912_yes_ranges[] = {
73054814b8SArnd Bergmann regmap_reg_range(TPS65912_INT_STS, TPS65912_GPIO5),
74054814b8SArnd Bergmann };
75054814b8SArnd Bergmann
76054814b8SArnd Bergmann static const struct regmap_access_table tps65912_volatile_table = {
77054814b8SArnd Bergmann .yes_ranges = tps65912_yes_ranges,
78054814b8SArnd Bergmann .n_yes_ranges = ARRAY_SIZE(tps65912_yes_ranges),
79054814b8SArnd Bergmann };
80054814b8SArnd Bergmann
81054814b8SArnd Bergmann const struct regmap_config tps65912_regmap_config = {
82054814b8SArnd Bergmann .reg_bits = 8,
83054814b8SArnd Bergmann .val_bits = 8,
84054814b8SArnd Bergmann .cache_type = REGCACHE_RBTREE,
85054814b8SArnd Bergmann .volatile_table = &tps65912_volatile_table,
86054814b8SArnd Bergmann };
87054814b8SArnd Bergmann EXPORT_SYMBOL_GPL(tps65912_regmap_config);
88054814b8SArnd Bergmann
tps65912_device_init(struct tps65912 * tps)89796f5692SAndrew F. Davis int tps65912_device_init(struct tps65912 *tps)
90796f5692SAndrew F. Davis {
91796f5692SAndrew F. Davis int ret;
92796f5692SAndrew F. Davis
93796f5692SAndrew F. Davis ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
94796f5692SAndrew F. Davis &tps65912_irq_chip, &tps->irq_data);
95796f5692SAndrew F. Davis if (ret)
96796f5692SAndrew F. Davis return ret;
97796f5692SAndrew F. Davis
98796f5692SAndrew F. Davis ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65912_cells,
99796f5692SAndrew F. Davis ARRAY_SIZE(tps65912_cells), NULL, 0,
100796f5692SAndrew F. Davis regmap_irq_get_domain(tps->irq_data));
101796f5692SAndrew F. Davis if (ret) {
102796f5692SAndrew F. Davis regmap_del_irq_chip(tps->irq, tps->irq_data);
103796f5692SAndrew F. Davis return ret;
104796f5692SAndrew F. Davis }
105796f5692SAndrew F. Davis
106796f5692SAndrew F. Davis return 0;
107796f5692SAndrew F. Davis }
108796f5692SAndrew F. Davis EXPORT_SYMBOL_GPL(tps65912_device_init);
109796f5692SAndrew F. Davis
tps65912_device_exit(struct tps65912 * tps)110ec14d90dSUwe Kleine-König void tps65912_device_exit(struct tps65912 *tps)
111796f5692SAndrew F. Davis {
112796f5692SAndrew F. Davis regmap_del_irq_chip(tps->irq, tps->irq_data);
113796f5692SAndrew F. Davis }
114796f5692SAndrew F. Davis EXPORT_SYMBOL_GPL(tps65912_device_exit);
115796f5692SAndrew F. Davis
116796f5692SAndrew F. Davis MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
117796f5692SAndrew F. Davis MODULE_DESCRIPTION("TPS65912x MFD Driver");
118796f5692SAndrew F. Davis MODULE_LICENSE("GPL v2");
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