1d7d8d7a2SKrzysztof Kozlowski // SPDX-License-Identifier: GPL-2.0+
2d7d8d7a2SKrzysztof Kozlowski //
3d7d8d7a2SKrzysztof Kozlowski // max77693.c - mfd core driver for the MAX 77693
4d7d8d7a2SKrzysztof Kozlowski //
5d7d8d7a2SKrzysztof Kozlowski // Copyright (C) 2012 Samsung Electronics
6d7d8d7a2SKrzysztof Kozlowski // SangYoung Son <hello.son@samsung.com>
7d7d8d7a2SKrzysztof Kozlowski //
8d7d8d7a2SKrzysztof Kozlowski // This program is not provided / owned by Maxim Integrated Products.
9d7d8d7a2SKrzysztof Kozlowski //
10d7d8d7a2SKrzysztof Kozlowski // This driver is based on max8997.c
1183871c00SChanwoo Choi
1283871c00SChanwoo Choi #include <linux/module.h>
1383871c00SChanwoo Choi #include <linux/slab.h>
1483871c00SChanwoo Choi #include <linux/i2c.h>
1583871c00SChanwoo Choi #include <linux/err.h>
1683871c00SChanwoo Choi #include <linux/interrupt.h>
1771c7f93eSSachin Kamat #include <linux/of.h>
1883871c00SChanwoo Choi #include <linux/pm_runtime.h>
1983871c00SChanwoo Choi #include <linux/mutex.h>
2083871c00SChanwoo Choi #include <linux/mfd/core.h>
2183871c00SChanwoo Choi #include <linux/mfd/max77693.h>
2261b305cdSKrzysztof Kozlowski #include <linux/mfd/max77693-common.h>
2383871c00SChanwoo Choi #include <linux/mfd/max77693-private.h>
2483871c00SChanwoo Choi #include <linux/regulator/machine.h>
2583871c00SChanwoo Choi #include <linux/regmap.h>
2683871c00SChanwoo Choi
2783871c00SChanwoo Choi #define I2C_ADDR_PMIC (0xCC >> 1) /* Charger, Flash LED */
2883871c00SChanwoo Choi #define I2C_ADDR_MUIC (0x4A >> 1)
2983871c00SChanwoo Choi #define I2C_ADDR_HAPTIC (0x90 >> 1)
3083871c00SChanwoo Choi
317c0517b1SGeert Uytterhoeven static const struct mfd_cell max77693_devs[] = {
3283871c00SChanwoo Choi { .name = "max77693-pmic", },
33efa3ca41SKrzysztof Kozlowski {
34efa3ca41SKrzysztof Kozlowski .name = "max77693-charger",
35efa3ca41SKrzysztof Kozlowski .of_compatible = "maxim,max77693-charger",
36efa3ca41SKrzysztof Kozlowski },
374589515aSMaciej Purski {
384589515aSMaciej Purski .name = "max77693-muic",
394589515aSMaciej Purski .of_compatible = "maxim,max77693-muic",
404589515aSMaciej Purski },
41d1bafd78SJaewon Kim {
42d1bafd78SJaewon Kim .name = "max77693-haptic",
43d1bafd78SJaewon Kim .of_compatible = "maxim,max77693-haptic",
44d1bafd78SJaewon Kim },
45a0bc6072SJacek Anaszewski {
46224995d7SJacek Anaszewski .name = "max77693-led",
47224995d7SJacek Anaszewski .of_compatible = "maxim,max77693-led",
48a0bc6072SJacek Anaszewski },
4983871c00SChanwoo Choi };
5083871c00SChanwoo Choi
5183871c00SChanwoo Choi static const struct regmap_config max77693_regmap_config = {
5283871c00SChanwoo Choi .reg_bits = 8,
5383871c00SChanwoo Choi .val_bits = 8,
5483871c00SChanwoo Choi .max_register = MAX77693_PMIC_REG_END,
5583871c00SChanwoo Choi };
5683871c00SChanwoo Choi
57342d669cSRobert Baldyga static const struct regmap_irq max77693_led_irqs[] = {
58342d669cSRobert Baldyga { .mask = LED_IRQ_FLED2_OPEN, },
59342d669cSRobert Baldyga { .mask = LED_IRQ_FLED2_SHORT, },
60342d669cSRobert Baldyga { .mask = LED_IRQ_FLED1_OPEN, },
61342d669cSRobert Baldyga { .mask = LED_IRQ_FLED1_SHORT, },
62342d669cSRobert Baldyga { .mask = LED_IRQ_MAX_FLASH, },
63342d669cSRobert Baldyga };
64342d669cSRobert Baldyga
65342d669cSRobert Baldyga static const struct regmap_irq_chip max77693_led_irq_chip = {
66342d669cSRobert Baldyga .name = "max77693-led",
67342d669cSRobert Baldyga .status_base = MAX77693_LED_REG_FLASH_INT,
68342d669cSRobert Baldyga .mask_base = MAX77693_LED_REG_FLASH_INT_MASK,
69342d669cSRobert Baldyga .num_regs = 1,
70342d669cSRobert Baldyga .irqs = max77693_led_irqs,
71342d669cSRobert Baldyga .num_irqs = ARRAY_SIZE(max77693_led_irqs),
72342d669cSRobert Baldyga };
73342d669cSRobert Baldyga
74342d669cSRobert Baldyga static const struct regmap_irq max77693_topsys_irqs[] = {
75342d669cSRobert Baldyga { .mask = TOPSYS_IRQ_T120C_INT, },
76342d669cSRobert Baldyga { .mask = TOPSYS_IRQ_T140C_INT, },
77342d669cSRobert Baldyga { .mask = TOPSYS_IRQ_LOWSYS_INT, },
78342d669cSRobert Baldyga };
79342d669cSRobert Baldyga
80342d669cSRobert Baldyga static const struct regmap_irq_chip max77693_topsys_irq_chip = {
81342d669cSRobert Baldyga .name = "max77693-topsys",
82342d669cSRobert Baldyga .status_base = MAX77693_PMIC_REG_TOPSYS_INT,
83342d669cSRobert Baldyga .mask_base = MAX77693_PMIC_REG_TOPSYS_INT_MASK,
84342d669cSRobert Baldyga .num_regs = 1,
85342d669cSRobert Baldyga .irqs = max77693_topsys_irqs,
86342d669cSRobert Baldyga .num_irqs = ARRAY_SIZE(max77693_topsys_irqs),
87342d669cSRobert Baldyga };
88342d669cSRobert Baldyga
89342d669cSRobert Baldyga static const struct regmap_irq max77693_charger_irqs[] = {
90342d669cSRobert Baldyga { .mask = CHG_IRQ_BYP_I, },
91342d669cSRobert Baldyga { .mask = CHG_IRQ_THM_I, },
92342d669cSRobert Baldyga { .mask = CHG_IRQ_BAT_I, },
93342d669cSRobert Baldyga { .mask = CHG_IRQ_CHG_I, },
94342d669cSRobert Baldyga { .mask = CHG_IRQ_CHGIN_I, },
95342d669cSRobert Baldyga };
96342d669cSRobert Baldyga
97342d669cSRobert Baldyga static const struct regmap_irq_chip max77693_charger_irq_chip = {
98342d669cSRobert Baldyga .name = "max77693-charger",
99342d669cSRobert Baldyga .status_base = MAX77693_CHG_REG_CHG_INT,
100342d669cSRobert Baldyga .mask_base = MAX77693_CHG_REG_CHG_INT_MASK,
101342d669cSRobert Baldyga .num_regs = 1,
102342d669cSRobert Baldyga .irqs = max77693_charger_irqs,
103342d669cSRobert Baldyga .num_irqs = ARRAY_SIZE(max77693_charger_irqs),
104342d669cSRobert Baldyga };
105342d669cSRobert Baldyga
10675ad1327SKrzysztof Kozlowski static const struct regmap_config max77693_regmap_muic_config = {
10775ad1327SKrzysztof Kozlowski .reg_bits = 8,
10875ad1327SKrzysztof Kozlowski .val_bits = 8,
10975ad1327SKrzysztof Kozlowski .max_register = MAX77693_MUIC_REG_END,
11075ad1327SKrzysztof Kozlowski };
11175ad1327SKrzysztof Kozlowski
112342d669cSRobert Baldyga static const struct regmap_irq max77693_muic_irqs[] = {
113342d669cSRobert Baldyga { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC, },
114342d669cSRobert Baldyga { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_LOW, },
115342d669cSRobert Baldyga { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_ERR, },
116342d669cSRobert Baldyga { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC1K, },
117342d669cSRobert Baldyga
118342d669cSRobert Baldyga { .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGTYP, },
119342d669cSRobert Baldyga { .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGDETREUN, },
120342d669cSRobert Baldyga { .reg_offset = 1, .mask = MUIC_IRQ_INT2_DCDTMR, },
121342d669cSRobert Baldyga { .reg_offset = 1, .mask = MUIC_IRQ_INT2_DXOVP, },
122342d669cSRobert Baldyga { .reg_offset = 1, .mask = MUIC_IRQ_INT2_VBVOLT, },
123342d669cSRobert Baldyga { .reg_offset = 1, .mask = MUIC_IRQ_INT2_VIDRM, },
124342d669cSRobert Baldyga
125342d669cSRobert Baldyga { .reg_offset = 2, .mask = MUIC_IRQ_INT3_EOC, },
126342d669cSRobert Baldyga { .reg_offset = 2, .mask = MUIC_IRQ_INT3_CGMBC, },
127342d669cSRobert Baldyga { .reg_offset = 2, .mask = MUIC_IRQ_INT3_OVP, },
128342d669cSRobert Baldyga { .reg_offset = 2, .mask = MUIC_IRQ_INT3_MBCCHG_ERR, },
129342d669cSRobert Baldyga { .reg_offset = 2, .mask = MUIC_IRQ_INT3_CHG_ENABLED, },
130342d669cSRobert Baldyga { .reg_offset = 2, .mask = MUIC_IRQ_INT3_BAT_DET, },
131342d669cSRobert Baldyga };
132342d669cSRobert Baldyga
133342d669cSRobert Baldyga static const struct regmap_irq_chip max77693_muic_irq_chip = {
134342d669cSRobert Baldyga .name = "max77693-muic",
135342d669cSRobert Baldyga .status_base = MAX77693_MUIC_REG_INT1,
136a5ae0a0cSAidan MacDonald .unmask_base = MAX77693_MUIC_REG_INTMASK1,
137342d669cSRobert Baldyga .num_regs = 3,
138342d669cSRobert Baldyga .irqs = max77693_muic_irqs,
139342d669cSRobert Baldyga .num_irqs = ARRAY_SIZE(max77693_muic_irqs),
140342d669cSRobert Baldyga };
141342d669cSRobert Baldyga
142efbf4922SJaewon Kim static const struct regmap_config max77693_regmap_haptic_config = {
143efbf4922SJaewon Kim .reg_bits = 8,
144efbf4922SJaewon Kim .val_bits = 8,
145efbf4922SJaewon Kim .max_register = MAX77693_HAPTIC_REG_END,
146efbf4922SJaewon Kim };
147efbf4922SJaewon Kim
max77693_i2c_probe(struct i2c_client * i2c)148317018e5SUwe Kleine-König static int max77693_i2c_probe(struct i2c_client *i2c)
14983871c00SChanwoo Choi {
150317018e5SUwe Kleine-König const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
15183871c00SChanwoo Choi struct max77693_dev *max77693;
152d0540f91SRobert Baldyga unsigned int reg_data;
15383871c00SChanwoo Choi int ret = 0;
15483871c00SChanwoo Choi
15583871c00SChanwoo Choi max77693 = devm_kzalloc(&i2c->dev,
15683871c00SChanwoo Choi sizeof(struct max77693_dev), GFP_KERNEL);
15783871c00SChanwoo Choi if (max77693 == NULL)
15883871c00SChanwoo Choi return -ENOMEM;
15983871c00SChanwoo Choi
16083871c00SChanwoo Choi i2c_set_clientdata(i2c, max77693);
16183871c00SChanwoo Choi max77693->dev = &i2c->dev;
16283871c00SChanwoo Choi max77693->i2c = i2c;
16383871c00SChanwoo Choi max77693->irq = i2c->irq;
16483871c00SChanwoo Choi max77693->type = id->driver_data;
16583871c00SChanwoo Choi
1662429d863SAxel Lin max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
1672429d863SAxel Lin if (IS_ERR(max77693->regmap)) {
1682429d863SAxel Lin ret = PTR_ERR(max77693->regmap);
1692429d863SAxel Lin dev_err(max77693->dev, "failed to allocate register map: %d\n",
1702429d863SAxel Lin ret);
1712429d863SAxel Lin return ret;
1722429d863SAxel Lin }
17383871c00SChanwoo Choi
174d0540f91SRobert Baldyga ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
1752429d863SAxel Lin ®_data);
1762429d863SAxel Lin if (ret < 0) {
17783871c00SChanwoo Choi dev_err(max77693->dev, "device not found on this channel\n");
1782429d863SAxel Lin return ret;
17983871c00SChanwoo Choi } else
18083871c00SChanwoo Choi dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);
18183871c00SChanwoo Choi
182ad28edcbSWolfram Sang max77693->i2c_muic = i2c_new_dummy_device(i2c->adapter, I2C_ADDR_MUIC);
183ad28edcbSWolfram Sang if (IS_ERR(max77693->i2c_muic)) {
184ad09dd6aSKrzysztof Kozlowski dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
185ad28edcbSWolfram Sang return PTR_ERR(max77693->i2c_muic);
186ad09dd6aSKrzysztof Kozlowski }
18761b305cdSKrzysztof Kozlowski i2c_set_clientdata(max77693->i2c_muic, max77693);
18883871c00SChanwoo Choi
189ad28edcbSWolfram Sang max77693->i2c_haptic = i2c_new_dummy_device(i2c->adapter, I2C_ADDR_HAPTIC);
190ad28edcbSWolfram Sang if (IS_ERR(max77693->i2c_haptic)) {
191ad09dd6aSKrzysztof Kozlowski dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
192ad28edcbSWolfram Sang ret = PTR_ERR(max77693->i2c_haptic);
193ad09dd6aSKrzysztof Kozlowski goto err_i2c_haptic;
194ad09dd6aSKrzysztof Kozlowski }
19561b305cdSKrzysztof Kozlowski i2c_set_clientdata(max77693->i2c_haptic, max77693);
19683871c00SChanwoo Choi
19761b305cdSKrzysztof Kozlowski max77693->regmap_haptic = devm_regmap_init_i2c(max77693->i2c_haptic,
198efbf4922SJaewon Kim &max77693_regmap_haptic_config);
199efbf4922SJaewon Kim if (IS_ERR(max77693->regmap_haptic)) {
200efbf4922SJaewon Kim ret = PTR_ERR(max77693->regmap_haptic);
201efbf4922SJaewon Kim dev_err(max77693->dev,
202efbf4922SJaewon Kim "failed to initialize haptic register map: %d\n", ret);
203efbf4922SJaewon Kim goto err_regmap;
204efbf4922SJaewon Kim }
205efbf4922SJaewon Kim
206b186b124SChanwoo Choi /*
207b186b124SChanwoo Choi * Initialize register map for MUIC device because use regmap-muic
208b186b124SChanwoo Choi * instance of MUIC device when irq of max77693 is initialized
209b186b124SChanwoo Choi * before call max77693-muic probe() function.
210b186b124SChanwoo Choi */
21161b305cdSKrzysztof Kozlowski max77693->regmap_muic = devm_regmap_init_i2c(max77693->i2c_muic,
21275ad1327SKrzysztof Kozlowski &max77693_regmap_muic_config);
213b186b124SChanwoo Choi if (IS_ERR(max77693->regmap_muic)) {
214b186b124SChanwoo Choi ret = PTR_ERR(max77693->regmap_muic);
215b186b124SChanwoo Choi dev_err(max77693->dev,
216b186b124SChanwoo Choi "failed to allocate register map: %d\n", ret);
217efbf4922SJaewon Kim goto err_regmap;
218b186b124SChanwoo Choi }
219b186b124SChanwoo Choi
220342d669cSRobert Baldyga ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
221f5f082ebSKrzysztof Kozlowski IRQF_ONESHOT | IRQF_SHARED, 0,
222342d669cSRobert Baldyga &max77693_led_irq_chip,
223342d669cSRobert Baldyga &max77693->irq_data_led);
224342d669cSRobert Baldyga if (ret) {
225342d669cSRobert Baldyga dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
226efbf4922SJaewon Kim goto err_regmap;
227342d669cSRobert Baldyga }
228342d669cSRobert Baldyga
229342d669cSRobert Baldyga ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
230f5f082ebSKrzysztof Kozlowski IRQF_ONESHOT | IRQF_SHARED, 0,
231342d669cSRobert Baldyga &max77693_topsys_irq_chip,
232342d669cSRobert Baldyga &max77693->irq_data_topsys);
233342d669cSRobert Baldyga if (ret) {
234342d669cSRobert Baldyga dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
235342d669cSRobert Baldyga goto err_irq_topsys;
236342d669cSRobert Baldyga }
237342d669cSRobert Baldyga
238342d669cSRobert Baldyga ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
239f5f082ebSKrzysztof Kozlowski IRQF_ONESHOT | IRQF_SHARED, 0,
240342d669cSRobert Baldyga &max77693_charger_irq_chip,
24161b305cdSKrzysztof Kozlowski &max77693->irq_data_chg);
242342d669cSRobert Baldyga if (ret) {
243342d669cSRobert Baldyga dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
244342d669cSRobert Baldyga goto err_irq_charger;
245342d669cSRobert Baldyga }
246342d669cSRobert Baldyga
24743fc9396SKrzysztof Kozlowski ret = regmap_add_irq_chip(max77693->regmap_muic, max77693->irq,
248f5f082ebSKrzysztof Kozlowski IRQF_ONESHOT | IRQF_SHARED, 0,
249342d669cSRobert Baldyga &max77693_muic_irq_chip,
250342d669cSRobert Baldyga &max77693->irq_data_muic);
251342d669cSRobert Baldyga if (ret) {
252342d669cSRobert Baldyga dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
253342d669cSRobert Baldyga goto err_irq_muic;
254342d669cSRobert Baldyga }
2556592ebb3SChanwoo Choi
256c0acb814SKrzysztof Kozlowski /* Unmask interrupts from all blocks in interrupt source register */
257c0acb814SKrzysztof Kozlowski ret = regmap_update_bits(max77693->regmap,
258c0acb814SKrzysztof Kozlowski MAX77693_PMIC_REG_INTSRC_MASK,
259c0acb814SKrzysztof Kozlowski SRC_IRQ_ALL, (unsigned int)~SRC_IRQ_ALL);
260c0acb814SKrzysztof Kozlowski if (ret < 0) {
261c0acb814SKrzysztof Kozlowski dev_err(max77693->dev,
262c0acb814SKrzysztof Kozlowski "Could not unmask interrupts in INTSRC: %d\n",
263c0acb814SKrzysztof Kozlowski ret);
264c0acb814SKrzysztof Kozlowski goto err_intsrc;
265c0acb814SKrzysztof Kozlowski }
266c0acb814SKrzysztof Kozlowski
26783871c00SChanwoo Choi pm_runtime_set_active(max77693->dev);
26883871c00SChanwoo Choi
26983871c00SChanwoo Choi ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
2700848c94fSMark Brown ARRAY_SIZE(max77693_devs), NULL, 0, NULL);
27183871c00SChanwoo Choi if (ret < 0)
27283871c00SChanwoo Choi goto err_mfd;
27383871c00SChanwoo Choi
27483871c00SChanwoo Choi return ret;
27583871c00SChanwoo Choi
27683871c00SChanwoo Choi err_mfd:
277342d669cSRobert Baldyga mfd_remove_devices(max77693->dev);
278c0acb814SKrzysztof Kozlowski err_intsrc:
279342d669cSRobert Baldyga regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
280342d669cSRobert Baldyga err_irq_muic:
28161b305cdSKrzysztof Kozlowski regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);
282342d669cSRobert Baldyga err_irq_charger:
283342d669cSRobert Baldyga regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
284342d669cSRobert Baldyga err_irq_topsys:
285342d669cSRobert Baldyga regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
286efbf4922SJaewon Kim err_regmap:
28761b305cdSKrzysztof Kozlowski i2c_unregister_device(max77693->i2c_haptic);
288ad09dd6aSKrzysztof Kozlowski err_i2c_haptic:
28961b305cdSKrzysztof Kozlowski i2c_unregister_device(max77693->i2c_muic);
29083871c00SChanwoo Choi return ret;
29183871c00SChanwoo Choi }
29283871c00SChanwoo Choi
max77693_i2c_remove(struct i2c_client * i2c)293ed5c2f5fSUwe Kleine-König static void max77693_i2c_remove(struct i2c_client *i2c)
29483871c00SChanwoo Choi {
29583871c00SChanwoo Choi struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
29683871c00SChanwoo Choi
29783871c00SChanwoo Choi mfd_remove_devices(max77693->dev);
298342d669cSRobert Baldyga
299342d669cSRobert Baldyga regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
30061b305cdSKrzysztof Kozlowski regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);
301342d669cSRobert Baldyga regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
302342d669cSRobert Baldyga regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
303342d669cSRobert Baldyga
30461b305cdSKrzysztof Kozlowski i2c_unregister_device(max77693->i2c_muic);
30561b305cdSKrzysztof Kozlowski i2c_unregister_device(max77693->i2c_haptic);
30683871c00SChanwoo Choi }
30783871c00SChanwoo Choi
30883871c00SChanwoo Choi static const struct i2c_device_id max77693_i2c_id[] = {
30983871c00SChanwoo Choi { "max77693", TYPE_MAX77693 },
31083871c00SChanwoo Choi { }
31183871c00SChanwoo Choi };
31283871c00SChanwoo Choi MODULE_DEVICE_TABLE(i2c, max77693_i2c_id);
31383871c00SChanwoo Choi
max77693_suspend(struct device * dev)3146592ebb3SChanwoo Choi static int max77693_suspend(struct device *dev)
3156592ebb3SChanwoo Choi {
3161b5420e1SGeliang Tang struct i2c_client *i2c = to_i2c_client(dev);
3176592ebb3SChanwoo Choi struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
3186592ebb3SChanwoo Choi
319342d669cSRobert Baldyga if (device_may_wakeup(dev)) {
320342d669cSRobert Baldyga enable_irq_wake(max77693->irq);
321342d669cSRobert Baldyga disable_irq(max77693->irq);
322342d669cSRobert Baldyga }
323342d669cSRobert Baldyga
3246592ebb3SChanwoo Choi return 0;
3256592ebb3SChanwoo Choi }
3266592ebb3SChanwoo Choi
max77693_resume(struct device * dev)3276592ebb3SChanwoo Choi static int max77693_resume(struct device *dev)
3286592ebb3SChanwoo Choi {
3291b5420e1SGeliang Tang struct i2c_client *i2c = to_i2c_client(dev);
3306592ebb3SChanwoo Choi struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
3316592ebb3SChanwoo Choi
332342d669cSRobert Baldyga if (device_may_wakeup(dev)) {
333342d669cSRobert Baldyga disable_irq_wake(max77693->irq);
334342d669cSRobert Baldyga enable_irq(max77693->irq);
335342d669cSRobert Baldyga }
336342d669cSRobert Baldyga
337342d669cSRobert Baldyga return 0;
3386592ebb3SChanwoo Choi }
3396592ebb3SChanwoo Choi
34012477a32SMark Brown static const struct dev_pm_ops max77693_pm = {
3416592ebb3SChanwoo Choi .suspend = max77693_suspend,
3426592ebb3SChanwoo Choi .resume = max77693_resume,
3436592ebb3SChanwoo Choi };
3446592ebb3SChanwoo Choi
3454657185cSAndrzej Hajda #ifdef CONFIG_OF
3465ce9a55bSKrzysztof Kozlowski static const struct of_device_id max77693_dt_match[] = {
3474657185cSAndrzej Hajda { .compatible = "maxim,max77693" },
3484657185cSAndrzej Hajda {},
3494657185cSAndrzej Hajda };
350073d4acaSKrzysztof Kozlowski MODULE_DEVICE_TABLE(of, max77693_dt_match);
3514657185cSAndrzej Hajda #endif
3524657185cSAndrzej Hajda
35383871c00SChanwoo Choi static struct i2c_driver max77693_i2c_driver = {
35483871c00SChanwoo Choi .driver = {
35583871c00SChanwoo Choi .name = "max77693",
3566592ebb3SChanwoo Choi .pm = &max77693_pm,
3574657185cSAndrzej Hajda .of_match_table = of_match_ptr(max77693_dt_match),
35883871c00SChanwoo Choi },
359*9816d859SUwe Kleine-König .probe = max77693_i2c_probe,
36083871c00SChanwoo Choi .remove = max77693_i2c_remove,
36183871c00SChanwoo Choi .id_table = max77693_i2c_id,
36283871c00SChanwoo Choi };
36383871c00SChanwoo Choi
364073d4acaSKrzysztof Kozlowski module_i2c_driver(max77693_i2c_driver);
36583871c00SChanwoo Choi
36683871c00SChanwoo Choi MODULE_DESCRIPTION("MAXIM 77693 multi-function core driver");
36783871c00SChanwoo Choi MODULE_AUTHOR("SangYoung, Son <hello.son@samsung.com>");
36883871c00SChanwoo Choi MODULE_LICENSE("GPL");
369