2 * extcon-sm5502.c - Silicon Mitus SM5502 extcon drvier to support USB switches
4 * Copyright (c) 2014 Samsung Electronics Co., Ltd
5 * Author: Chanwoo Choi <cw00.choi@samsung.com>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
13 #include <linux/err.h>
14 #include <linux/i2c.h>
15 #include <linux/interrupt.h>
16 #include <linux/irqdomain.h>
17 #include <linux/kernel.h>
18 #include <linux/module.h>
19 #include <linux/platform_device.h>
20 #include <linux/regmap.h>
21 #include <linux/slab.h>
22 #include <linux/extcon.h>
24 #include "extcon-sm5502.h"
26 #define DELAY_MS_DEFAULT 17000 /* unit: millisecond */
40 struct sm5502_muic_info {
42 struct extcon_dev *edev;
44 struct i2c_client *i2c;
45 struct regmap *regmap;
47 struct regmap_irq_chip_data *irq_data;
48 struct muic_irq *muic_irqs;
49 unsigned int num_muic_irqs;
53 struct work_struct irq_work;
55 struct reg_data *reg_data;
56 unsigned int num_reg_data;
61 * Use delayed workqueue to detect cable state and then
62 * notify cable state to notifiee/platform through uevent.
63 * After completing the booting of platform, the extcon provider
64 * driver should notify cable state to upper layer.
66 struct delayed_work wq_detcable;
69 /* Default value of SM5502 register to bring up MUIC device. */
70 static struct reg_data sm5502_reg_data[] = {
72 .reg = SM5502_REG_RESET,
73 .val = SM5502_REG_RESET_MASK,
76 .reg = SM5502_REG_CONTROL,
77 .val = SM5502_REG_CONTROL_MASK_INT_MASK,
80 .reg = SM5502_REG_INTMASK1,
81 .val = SM5502_REG_INTM1_KP_MASK
82 | SM5502_REG_INTM1_LKP_MASK
83 | SM5502_REG_INTM1_LKR_MASK,
86 .reg = SM5502_REG_INTMASK2,
87 .val = SM5502_REG_INTM2_VBUS_DET_MASK
88 | SM5502_REG_INTM2_REV_ACCE_MASK
89 | SM5502_REG_INTM2_ADC_CHG_MASK
90 | SM5502_REG_INTM2_STUCK_KEY_MASK
91 | SM5502_REG_INTM2_STUCK_KEY_RCV_MASK
92 | SM5502_REG_INTM2_MHL_MASK,
97 /* List of detectable cables */
98 static const unsigned int sm5502_extcon_cable[] = {
106 /* Define supported accessory type */
107 enum sm5502_muic_acc_type {
108 SM5502_MUIC_ADC_GROUND = 0x0,
109 SM5502_MUIC_ADC_SEND_END_BUTTON,
110 SM5502_MUIC_ADC_REMOTE_S1_BUTTON,
111 SM5502_MUIC_ADC_REMOTE_S2_BUTTON,
112 SM5502_MUIC_ADC_REMOTE_S3_BUTTON,
113 SM5502_MUIC_ADC_REMOTE_S4_BUTTON,
114 SM5502_MUIC_ADC_REMOTE_S5_BUTTON,
115 SM5502_MUIC_ADC_REMOTE_S6_BUTTON,
116 SM5502_MUIC_ADC_REMOTE_S7_BUTTON,
117 SM5502_MUIC_ADC_REMOTE_S8_BUTTON,
118 SM5502_MUIC_ADC_REMOTE_S9_BUTTON,
119 SM5502_MUIC_ADC_REMOTE_S10_BUTTON,
120 SM5502_MUIC_ADC_REMOTE_S11_BUTTON,
121 SM5502_MUIC_ADC_REMOTE_S12_BUTTON,
122 SM5502_MUIC_ADC_RESERVED_ACC_1,
123 SM5502_MUIC_ADC_RESERVED_ACC_2,
124 SM5502_MUIC_ADC_RESERVED_ACC_3,
125 SM5502_MUIC_ADC_RESERVED_ACC_4,
126 SM5502_MUIC_ADC_RESERVED_ACC_5,
127 SM5502_MUIC_ADC_AUDIO_TYPE2,
128 SM5502_MUIC_ADC_PHONE_POWERED_DEV,
129 SM5502_MUIC_ADC_TTY_CONVERTER,
130 SM5502_MUIC_ADC_UART_CABLE,
131 SM5502_MUIC_ADC_TYPE1_CHARGER,
132 SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_USB,
133 SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_USB,
134 SM5502_MUIC_ADC_AUDIO_VIDEO_CABLE,
135 SM5502_MUIC_ADC_TYPE2_CHARGER,
136 SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_UART,
137 SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_UART,
138 SM5502_MUIC_ADC_AUDIO_TYPE1,
139 SM5502_MUIC_ADC_OPEN = 0x1f,
141 /* The below accessories have same ADC value (0x1f or 0x1e).
142 So, Device type1 is used to separate specific accessory. */
143 /* |---------|--ADC| */
145 SM5502_MUIC_ADC_AUDIO_TYPE1_FULL_REMOTE = 0x3e, /* | 001|11110| */
146 SM5502_MUIC_ADC_AUDIO_TYPE1_SEND_END = 0x5e, /* | 010|11110| */
147 /* |Dev Type1|--ADC| */
148 SM5502_MUIC_ADC_OPEN_USB = 0x5f, /* | 010|11111| */
149 SM5502_MUIC_ADC_OPEN_TA = 0xdf, /* | 110|11111| */
150 SM5502_MUIC_ADC_OPEN_USB_OTG = 0xff, /* | 111|11111| */
153 /* List of supported interrupt for SM5502 */
154 static struct muic_irq sm5502_muic_irqs[] = {
155 { SM5502_IRQ_INT1_ATTACH, "muic-attach" },
156 { SM5502_IRQ_INT1_DETACH, "muic-detach" },
157 { SM5502_IRQ_INT1_KP, "muic-kp" },
158 { SM5502_IRQ_INT1_LKP, "muic-lkp" },
159 { SM5502_IRQ_INT1_LKR, "muic-lkr" },
160 { SM5502_IRQ_INT1_OVP_EVENT, "muic-ovp-event" },
161 { SM5502_IRQ_INT1_OCP_EVENT, "muic-ocp-event" },
162 { SM5502_IRQ_INT1_OVP_OCP_DIS, "muic-ovp-ocp-dis" },
163 { SM5502_IRQ_INT2_VBUS_DET, "muic-vbus-det" },
164 { SM5502_IRQ_INT2_REV_ACCE, "muic-rev-acce" },
165 { SM5502_IRQ_INT2_ADC_CHG, "muic-adc-chg" },
166 { SM5502_IRQ_INT2_STUCK_KEY, "muic-stuck-key" },
167 { SM5502_IRQ_INT2_STUCK_KEY_RCV, "muic-stuck-key-rcv" },
168 { SM5502_IRQ_INT2_MHL, "muic-mhl" },
171 /* Define interrupt list of SM5502 to register regmap_irq */
172 static const struct regmap_irq sm5502_irqs[] = {
173 /* INT1 interrupts */
174 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_ATTACH_MASK, },
175 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_DETACH_MASK, },
176 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_KP_MASK, },
177 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_LKP_MASK, },
178 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_LKR_MASK, },
179 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OVP_EVENT_MASK, },
180 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OCP_EVENT_MASK, },
181 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OVP_OCP_DIS_MASK, },
183 /* INT2 interrupts */
184 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_VBUS_DET_MASK,},
185 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_REV_ACCE_MASK, },
186 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_ADC_CHG_MASK, },
187 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_STUCK_KEY_MASK, },
188 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_STUCK_KEY_RCV_MASK, },
189 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_MHL_MASK, },
192 static const struct regmap_irq_chip sm5502_muic_irq_chip = {
194 .status_base = SM5502_REG_INT1,
195 .mask_base = SM5502_REG_INTMASK1,
196 .mask_invert = false,
199 .num_irqs = ARRAY_SIZE(sm5502_irqs),
202 /* Define regmap configuration of SM5502 for I2C communication */
203 static bool sm5502_muic_volatile_reg(struct device *dev, unsigned int reg)
206 case SM5502_REG_INTMASK1:
207 case SM5502_REG_INTMASK2:
215 static const struct regmap_config sm5502_muic_regmap_config = {
218 .volatile_reg = sm5502_muic_volatile_reg,
219 .max_register = SM5502_REG_END,
222 /* Change DM_CON/DP_CON/VBUSIN switch according to cable type */
223 static int sm5502_muic_set_path(struct sm5502_muic_info *info,
224 unsigned int con_sw, unsigned int vbus_sw,
230 con_sw = DM_DP_SWITCH_OPEN;
231 vbus_sw = VBUSIN_SWITCH_OPEN;
235 case DM_DP_SWITCH_OPEN:
236 case DM_DP_SWITCH_USB:
237 case DM_DP_SWITCH_AUDIO:
238 case DM_DP_SWITCH_UART:
239 ret = regmap_update_bits(info->regmap, SM5502_REG_MANUAL_SW1,
240 SM5502_REG_MANUAL_SW1_DP_MASK |
241 SM5502_REG_MANUAL_SW1_DM_MASK,
245 "cannot update DM_CON/DP_CON switch\n");
250 dev_err(info->dev, "Unknown DM_CON/DP_CON switch type (%d)\n",
256 case VBUSIN_SWITCH_OPEN:
257 case VBUSIN_SWITCH_VBUSOUT:
258 case VBUSIN_SWITCH_MIC:
259 case VBUSIN_SWITCH_VBUSOUT_WITH_USB:
260 ret = regmap_update_bits(info->regmap, SM5502_REG_MANUAL_SW1,
261 SM5502_REG_MANUAL_SW1_VBUSIN_MASK,
265 "cannot update VBUSIN switch\n");
270 dev_err(info->dev, "Unknown VBUS switch type (%d)\n", vbus_sw);
277 /* Return cable type of attached or detached accessories */
278 static unsigned int sm5502_muic_get_cable_type(struct sm5502_muic_info *info)
280 unsigned int cable_type = -1, adc, dev_type1;
283 /* Read ADC value according to external cable or button */
284 ret = regmap_read(info->regmap, SM5502_REG_ADC, &adc);
286 dev_err(info->dev, "failed to read ADC register\n");
291 * If ADC is SM5502_MUIC_ADC_GROUND(0x0), external cable hasn't
292 * connected with to MUIC device.
294 cable_type = adc & SM5502_REG_ADC_MASK;
295 if (cable_type == SM5502_MUIC_ADC_GROUND)
296 return SM5502_MUIC_ADC_GROUND;
298 switch (cable_type) {
299 case SM5502_MUIC_ADC_GROUND:
300 case SM5502_MUIC_ADC_SEND_END_BUTTON:
301 case SM5502_MUIC_ADC_REMOTE_S1_BUTTON:
302 case SM5502_MUIC_ADC_REMOTE_S2_BUTTON:
303 case SM5502_MUIC_ADC_REMOTE_S3_BUTTON:
304 case SM5502_MUIC_ADC_REMOTE_S4_BUTTON:
305 case SM5502_MUIC_ADC_REMOTE_S5_BUTTON:
306 case SM5502_MUIC_ADC_REMOTE_S6_BUTTON:
307 case SM5502_MUIC_ADC_REMOTE_S7_BUTTON:
308 case SM5502_MUIC_ADC_REMOTE_S8_BUTTON:
309 case SM5502_MUIC_ADC_REMOTE_S9_BUTTON:
310 case SM5502_MUIC_ADC_REMOTE_S10_BUTTON:
311 case SM5502_MUIC_ADC_REMOTE_S11_BUTTON:
312 case SM5502_MUIC_ADC_REMOTE_S12_BUTTON:
313 case SM5502_MUIC_ADC_RESERVED_ACC_1:
314 case SM5502_MUIC_ADC_RESERVED_ACC_2:
315 case SM5502_MUIC_ADC_RESERVED_ACC_3:
316 case SM5502_MUIC_ADC_RESERVED_ACC_4:
317 case SM5502_MUIC_ADC_RESERVED_ACC_5:
318 case SM5502_MUIC_ADC_AUDIO_TYPE2:
319 case SM5502_MUIC_ADC_PHONE_POWERED_DEV:
320 case SM5502_MUIC_ADC_TTY_CONVERTER:
321 case SM5502_MUIC_ADC_UART_CABLE:
322 case SM5502_MUIC_ADC_TYPE1_CHARGER:
323 case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_USB:
324 case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_USB:
325 case SM5502_MUIC_ADC_AUDIO_VIDEO_CABLE:
326 case SM5502_MUIC_ADC_TYPE2_CHARGER:
327 case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_UART:
328 case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_UART:
330 case SM5502_MUIC_ADC_AUDIO_TYPE1:
332 * Check whether cable type is
333 * SM5502_MUIC_ADC_AUDIO_TYPE1_FULL_REMOTE
334 * or SM5502_MUIC_ADC_AUDIO_TYPE1_SEND_END
335 * by using Button event.
338 case SM5502_MUIC_ADC_OPEN:
339 ret = regmap_read(info->regmap, SM5502_REG_DEV_TYPE1,
342 dev_err(info->dev, "failed to read DEV_TYPE1 reg\n");
347 case SM5502_REG_DEV_TYPE1_USB_SDP_MASK:
348 cable_type = SM5502_MUIC_ADC_OPEN_USB;
350 case SM5502_REG_DEV_TYPE1_DEDICATED_CHG_MASK:
351 cable_type = SM5502_MUIC_ADC_OPEN_TA;
353 case SM5502_REG_DEV_TYPE1_USB_OTG_MASK:
354 cable_type = SM5502_MUIC_ADC_OPEN_USB_OTG;
358 "cannot identify the cable type: adc(0x%x)\n",
365 "failed to identify the cable type: adc(0x%x)\n", adc);
372 static int sm5502_muic_cable_handler(struct sm5502_muic_info *info,
375 static unsigned int prev_cable_type = SM5502_MUIC_ADC_GROUND;
376 unsigned int cable_type = SM5502_MUIC_ADC_GROUND;
377 unsigned int con_sw = DM_DP_SWITCH_OPEN;
378 unsigned int vbus_sw = VBUSIN_SWITCH_OPEN;
382 /* Get the type of attached or detached cable */
384 cable_type = sm5502_muic_get_cable_type(info);
386 cable_type = prev_cable_type;
387 prev_cable_type = cable_type;
389 switch (cable_type) {
390 case SM5502_MUIC_ADC_OPEN_USB:
392 con_sw = DM_DP_SWITCH_USB;
393 vbus_sw = VBUSIN_SWITCH_VBUSOUT_WITH_USB;
395 case SM5502_MUIC_ADC_OPEN_TA:
396 id = EXTCON_CHG_USB_DCP;
397 con_sw = DM_DP_SWITCH_OPEN;
398 vbus_sw = VBUSIN_SWITCH_VBUSOUT;
400 case SM5502_MUIC_ADC_OPEN_USB_OTG:
401 id = EXTCON_USB_HOST;
402 con_sw = DM_DP_SWITCH_USB;
403 vbus_sw = VBUSIN_SWITCH_OPEN;
407 "cannot handle this cable_type (0x%x)\n", cable_type);
411 /* Change internal hardware path(DM_CON/DP_CON, VBUSIN) */
412 ret = sm5502_muic_set_path(info, con_sw, vbus_sw, attached);
416 /* Change the state of external accessory */
417 extcon_set_state_sync(info->edev, id, attached);
418 if (id == EXTCON_USB)
419 extcon_set_state_sync(info->edev, EXTCON_CHG_USB_SDP,
425 static void sm5502_muic_irq_work(struct work_struct *work)
427 struct sm5502_muic_info *info = container_of(work,
428 struct sm5502_muic_info, irq_work);
434 mutex_lock(&info->mutex);
436 /* Detect attached or detached cables */
437 if (info->irq_attach) {
438 ret = sm5502_muic_cable_handler(info, true);
439 info->irq_attach = false;
441 if (info->irq_detach) {
442 ret = sm5502_muic_cable_handler(info, false);
443 info->irq_detach = false;
447 dev_err(info->dev, "failed to handle MUIC interrupt\n");
449 mutex_unlock(&info->mutex);
453 * Sets irq_attach or irq_detach in sm5502_muic_info and returns 0.
454 * Returns -ESRCH if irq_type does not match registered IRQ for this dev type.
456 static int sm5502_parse_irq(struct sm5502_muic_info *info, int irq_type)
459 case SM5502_IRQ_INT1_ATTACH:
460 info->irq_attach = true;
462 case SM5502_IRQ_INT1_DETACH:
463 info->irq_detach = true;
465 case SM5502_IRQ_INT1_KP:
466 case SM5502_IRQ_INT1_LKP:
467 case SM5502_IRQ_INT1_LKR:
468 case SM5502_IRQ_INT1_OVP_EVENT:
469 case SM5502_IRQ_INT1_OCP_EVENT:
470 case SM5502_IRQ_INT1_OVP_OCP_DIS:
471 case SM5502_IRQ_INT2_VBUS_DET:
472 case SM5502_IRQ_INT2_REV_ACCE:
473 case SM5502_IRQ_INT2_ADC_CHG:
474 case SM5502_IRQ_INT2_STUCK_KEY:
475 case SM5502_IRQ_INT2_STUCK_KEY_RCV:
476 case SM5502_IRQ_INT2_MHL:
484 static irqreturn_t sm5502_muic_irq_handler(int irq, void *data)
486 struct sm5502_muic_info *info = data;
487 int i, irq_type = -1, ret;
489 for (i = 0; i < info->num_muic_irqs; i++)
490 if (irq == info->muic_irqs[i].virq)
491 irq_type = info->muic_irqs[i].irq;
493 ret = sm5502_parse_irq(info, irq_type);
495 dev_warn(info->dev, "cannot handle is interrupt:%d\n",
499 schedule_work(&info->irq_work);
504 static void sm5502_muic_detect_cable_wq(struct work_struct *work)
506 struct sm5502_muic_info *info = container_of(to_delayed_work(work),
507 struct sm5502_muic_info, wq_detcable);
510 /* Notify the state of connector cable or not */
511 ret = sm5502_muic_cable_handler(info, true);
513 dev_warn(info->dev, "failed to detect cable state\n");
516 static void sm5502_init_dev_type(struct sm5502_muic_info *info)
518 unsigned int reg_data, vendor_id, version_id;
521 /* To test I2C, Print version_id and vendor_id of SM5502 */
522 ret = regmap_read(info->regmap, SM5502_REG_DEVICE_ID, ®_data);
525 "failed to read DEVICE_ID register: %d\n", ret);
529 vendor_id = ((reg_data & SM5502_REG_DEVICE_ID_VENDOR_MASK) >>
530 SM5502_REG_DEVICE_ID_VENDOR_SHIFT);
531 version_id = ((reg_data & SM5502_REG_DEVICE_ID_VERSION_MASK) >>
532 SM5502_REG_DEVICE_ID_VERSION_SHIFT);
534 dev_info(info->dev, "Device type: version: 0x%x, vendor: 0x%x\n",
535 version_id, vendor_id);
537 /* Initiazle the register of SM5502 device to bring-up */
538 for (i = 0; i < info->num_reg_data; i++) {
539 unsigned int val = 0;
541 if (!info->reg_data[i].invert)
542 val |= ~info->reg_data[i].val;
544 val = info->reg_data[i].val;
545 regmap_write(info->regmap, info->reg_data[i].reg, val);
549 static int sm5022_muic_i2c_probe(struct i2c_client *i2c,
550 const struct i2c_device_id *id)
552 struct device_node *np = i2c->dev.of_node;
553 struct sm5502_muic_info *info;
554 int i, ret, irq_flags;
559 info = devm_kzalloc(&i2c->dev, sizeof(*info), GFP_KERNEL);
562 i2c_set_clientdata(i2c, info);
564 info->dev = &i2c->dev;
566 info->irq = i2c->irq;
567 info->muic_irqs = sm5502_muic_irqs;
568 info->num_muic_irqs = ARRAY_SIZE(sm5502_muic_irqs);
569 info->reg_data = sm5502_reg_data;
570 info->num_reg_data = ARRAY_SIZE(sm5502_reg_data);
572 mutex_init(&info->mutex);
574 INIT_WORK(&info->irq_work, sm5502_muic_irq_work);
576 info->regmap = devm_regmap_init_i2c(i2c, &sm5502_muic_regmap_config);
577 if (IS_ERR(info->regmap)) {
578 ret = PTR_ERR(info->regmap);
579 dev_err(info->dev, "failed to allocate register map: %d\n",
584 /* Support irq domain for SM5502 MUIC device */
585 irq_flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT | IRQF_SHARED;
586 ret = regmap_add_irq_chip(info->regmap, info->irq, irq_flags, 0,
587 &sm5502_muic_irq_chip, &info->irq_data);
589 dev_err(info->dev, "failed to request IRQ %d: %d\n",
594 for (i = 0; i < info->num_muic_irqs; i++) {
595 struct muic_irq *muic_irq = &info->muic_irqs[i];
598 virq = regmap_irq_get_virq(info->irq_data, muic_irq->irq);
601 muic_irq->virq = virq;
603 ret = devm_request_threaded_irq(info->dev, virq, NULL,
604 sm5502_muic_irq_handler,
606 muic_irq->name, info);
609 "failed: irq request (IRQ: %d, error :%d)\n",
615 /* Allocate extcon device */
616 info->edev = devm_extcon_dev_allocate(info->dev, sm5502_extcon_cable);
617 if (IS_ERR(info->edev)) {
618 dev_err(info->dev, "failed to allocate memory for extcon\n");
622 /* Register extcon device */
623 ret = devm_extcon_dev_register(info->dev, info->edev);
625 dev_err(info->dev, "failed to register extcon device\n");
630 * Detect accessory after completing the initialization of platform
632 * - Use delayed workqueue to detect cable state and then
633 * notify cable state to notifiee/platform through uevent.
634 * After completing the booting of platform, the extcon provider
635 * driver should notify cable state to upper layer.
637 INIT_DELAYED_WORK(&info->wq_detcable, sm5502_muic_detect_cable_wq);
638 queue_delayed_work(system_power_efficient_wq, &info->wq_detcable,
639 msecs_to_jiffies(DELAY_MS_DEFAULT));
641 /* Initialize SM5502 device and print vendor id and version id */
642 sm5502_init_dev_type(info);
647 static int sm5502_muic_i2c_remove(struct i2c_client *i2c)
649 struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
651 regmap_del_irq_chip(info->irq, info->irq_data);
656 static const struct of_device_id sm5502_dt_match[] = {
657 { .compatible = "siliconmitus,sm5502-muic" },
660 MODULE_DEVICE_TABLE(of, sm5502_dt_match);
662 #ifdef CONFIG_PM_SLEEP
663 static int sm5502_muic_suspend(struct device *dev)
665 struct i2c_client *i2c = to_i2c_client(dev);
666 struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
668 enable_irq_wake(info->irq);
673 static int sm5502_muic_resume(struct device *dev)
675 struct i2c_client *i2c = to_i2c_client(dev);
676 struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
678 disable_irq_wake(info->irq);
684 static SIMPLE_DEV_PM_OPS(sm5502_muic_pm_ops,
685 sm5502_muic_suspend, sm5502_muic_resume);
687 static const struct i2c_device_id sm5502_i2c_id[] = {
688 { "sm5502", TYPE_SM5502 },
691 MODULE_DEVICE_TABLE(i2c, sm5502_i2c_id);
693 static struct i2c_driver sm5502_muic_i2c_driver = {
696 .pm = &sm5502_muic_pm_ops,
697 .of_match_table = sm5502_dt_match,
699 .probe = sm5022_muic_i2c_probe,
700 .remove = sm5502_muic_i2c_remove,
701 .id_table = sm5502_i2c_id,
704 static int __init sm5502_muic_i2c_init(void)
706 return i2c_add_driver(&sm5502_muic_i2c_driver);
708 subsys_initcall(sm5502_muic_i2c_init);
710 MODULE_DESCRIPTION("Silicon Mitus SM5502 Extcon driver");
711 MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
712 MODULE_LICENSE("GPL");