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.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
18 #include <linux/err.h>
19 #include <linux/i2c.h>
20 #include <linux/input.h>
21 #include <linux/interrupt.h>
22 #include <linux/irqdomain.h>
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/platform_device.h>
26 #include <linux/regmap.h>
27 #include <linux/slab.h>
28 #include <linux/extcon.h>
29 #include <linux/extcon/sm5502.h>
31 #define DELAY_MS_DEFAULT 17000 /* unit: millisecond */
45 struct sm5502_muic_info {
47 struct extcon_dev *edev;
49 struct i2c_client *i2c;
50 struct regmap *regmap;
52 struct regmap_irq_chip_data *irq_data;
53 struct muic_irq *muic_irqs;
54 unsigned int num_muic_irqs;
58 struct work_struct irq_work;
60 struct reg_data *reg_data;
61 unsigned int num_reg_data;
66 * Use delayed workqueue to detect cable state and then
67 * notify cable state to notifiee/platform through uevent.
68 * After completing the booting of platform, the extcon provider
69 * driver should notify cable state to upper layer.
71 struct delayed_work wq_detcable;
74 /* Default value of SM5502 register to bring up MUIC device. */
75 static struct reg_data sm5502_reg_data[] = {
77 .reg = SM5502_REG_CONTROL,
78 .val = SM5502_REG_CONTROL_MASK_INT_MASK,
81 .reg = SM5502_REG_INTMASK1,
82 .val = SM5502_REG_INTM1_KP_MASK
83 | SM5502_REG_INTM1_LKP_MASK
84 | SM5502_REG_INTM1_LKR_MASK,
87 .reg = SM5502_REG_INTMASK2,
88 .val = SM5502_REG_INTM2_VBUS_DET_MASK
89 | SM5502_REG_INTM2_REV_ACCE_MASK
90 | SM5502_REG_INTM2_ADC_CHG_MASK
91 | SM5502_REG_INTM2_STUCK_KEY_MASK
92 | SM5502_REG_INTM2_STUCK_KEY_RCV_MASK
93 | SM5502_REG_INTM2_MHL_MASK,
99 /* List of detectable cables */
101 EXTCON_CABLE_USB = 0,
102 EXTCON_CABLE_USB_HOST,
108 static const char *sm5502_extcon_cable[] = {
109 [EXTCON_CABLE_USB] = "USB",
110 [EXTCON_CABLE_USB_HOST] = "USB-Host",
111 [EXTCON_CABLE_TA] = "TA",
115 /* Define supported accessory type */
116 enum sm5502_muic_acc_type {
117 SM5502_MUIC_ADC_GROUND = 0x0,
118 SM5502_MUIC_ADC_SEND_END_BUTTON,
119 SM5502_MUIC_ADC_REMOTE_S1_BUTTON,
120 SM5502_MUIC_ADC_REMOTE_S2_BUTTON,
121 SM5502_MUIC_ADC_REMOTE_S3_BUTTON,
122 SM5502_MUIC_ADC_REMOTE_S4_BUTTON,
123 SM5502_MUIC_ADC_REMOTE_S5_BUTTON,
124 SM5502_MUIC_ADC_REMOTE_S6_BUTTON,
125 SM5502_MUIC_ADC_REMOTE_S7_BUTTON,
126 SM5502_MUIC_ADC_REMOTE_S8_BUTTON,
127 SM5502_MUIC_ADC_REMOTE_S9_BUTTON,
128 SM5502_MUIC_ADC_REMOTE_S10_BUTTON,
129 SM5502_MUIC_ADC_REMOTE_S11_BUTTON,
130 SM5502_MUIC_ADC_REMOTE_S12_BUTTON,
131 SM5502_MUIC_ADC_RESERVED_ACC_1,
132 SM5502_MUIC_ADC_RESERVED_ACC_2,
133 SM5502_MUIC_ADC_RESERVED_ACC_3,
134 SM5502_MUIC_ADC_RESERVED_ACC_4,
135 SM5502_MUIC_ADC_RESERVED_ACC_5,
136 SM5502_MUIC_ADC_AUDIO_TYPE2,
137 SM5502_MUIC_ADC_PHONE_POWERED_DEV,
138 SM5502_MUIC_ADC_TTY_CONVERTER,
139 SM5502_MUIC_ADC_UART_CABLE,
140 SM5502_MUIC_ADC_TYPE1_CHARGER,
141 SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_USB,
142 SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_USB,
143 SM5502_MUIC_ADC_AUDIO_VIDEO_CABLE,
144 SM5502_MUIC_ADC_TYPE2_CHARGER,
145 SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_UART,
146 SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_UART,
147 SM5502_MUIC_ADC_AUDIO_TYPE1,
148 SM5502_MUIC_ADC_OPEN = 0x1f,
150 /* The below accessories have same ADC value (0x1f or 0x1e).
151 So, Device type1 is used to separate specific accessory. */
152 /* |---------|--ADC| */
154 SM5502_MUIC_ADC_AUDIO_TYPE1_FULL_REMOTE = 0x3e, /* | 001|11110| */
155 SM5502_MUIC_ADC_AUDIO_TYPE1_SEND_END = 0x5e, /* | 010|11110| */
156 /* |Dev Type1|--ADC| */
157 SM5502_MUIC_ADC_OPEN_USB = 0x5f, /* | 010|11111| */
158 SM5502_MUIC_ADC_OPEN_TA = 0xdf, /* | 110|11111| */
159 SM5502_MUIC_ADC_OPEN_USB_OTG = 0xff, /* | 111|11111| */
162 /* List of supported interrupt for SM5502 */
163 static struct muic_irq sm5502_muic_irqs[] = {
164 { SM5502_IRQ_INT1_ATTACH, "muic-attach" },
165 { SM5502_IRQ_INT1_DETACH, "muic-detach" },
166 { SM5502_IRQ_INT1_KP, "muic-kp" },
167 { SM5502_IRQ_INT1_LKP, "muic-lkp" },
168 { SM5502_IRQ_INT1_LKR, "muic-lkr" },
169 { SM5502_IRQ_INT1_OVP_EVENT, "muic-ovp-event" },
170 { SM5502_IRQ_INT1_OCP_EVENT, "muic-ocp-event" },
171 { SM5502_IRQ_INT1_OVP_OCP_DIS, "muic-ovp-ocp-dis" },
172 { SM5502_IRQ_INT2_VBUS_DET, "muic-vbus-det" },
173 { SM5502_IRQ_INT2_REV_ACCE, "muic-rev-acce" },
174 { SM5502_IRQ_INT2_ADC_CHG, "muic-adc-chg" },
175 { SM5502_IRQ_INT2_STUCK_KEY, "muic-stuck-key" },
176 { SM5502_IRQ_INT2_STUCK_KEY_RCV, "muic-stuck-key-rcv" },
177 { SM5502_IRQ_INT2_MHL, "muic-mhl" },
180 /* Define interrupt list of SM5502 to register regmap_irq */
181 static const struct regmap_irq sm5502_irqs[] = {
182 /* INT1 interrupts */
183 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_ATTACH_MASK, },
184 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_DETACH_MASK, },
185 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_KP_MASK, },
186 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_LKP_MASK, },
187 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_LKR_MASK, },
188 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OVP_EVENT_MASK, },
189 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OCP_EVENT_MASK, },
190 { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OVP_OCP_DIS_MASK, },
192 /* INT2 interrupts */
193 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_VBUS_DET_MASK,},
194 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_REV_ACCE_MASK, },
195 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_ADC_CHG_MASK, },
196 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_STUCK_KEY_MASK, },
197 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_STUCK_KEY_RCV_MASK, },
198 { .reg_offset = 1, .mask = SM5502_IRQ_INT2_MHL_MASK, },
201 static const struct regmap_irq_chip sm5502_muic_irq_chip = {
203 .status_base = SM5502_REG_INT1,
204 .mask_base = SM5502_REG_INTMASK1,
205 .mask_invert = false,
208 .num_irqs = ARRAY_SIZE(sm5502_irqs),
211 /* Define regmap configuration of SM5502 for I2C communication */
212 static bool sm5502_muic_volatile_reg(struct device *dev, unsigned int reg)
215 case SM5502_REG_INTMASK1:
216 case SM5502_REG_INTMASK2:
224 static const struct regmap_config sm5502_muic_regmap_config = {
227 .volatile_reg = sm5502_muic_volatile_reg,
228 .max_register = SM5502_REG_END,
231 /* Change DM_CON/DP_CON/VBUSIN switch according to cable type */
232 static int sm5502_muic_set_path(struct sm5502_muic_info *info,
233 unsigned int con_sw, unsigned int vbus_sw,
239 con_sw = DM_DP_SWITCH_OPEN;
240 vbus_sw = VBUSIN_SWITCH_OPEN;
244 case DM_DP_SWITCH_OPEN:
245 case DM_DP_SWITCH_USB:
246 case DM_DP_SWITCH_AUDIO:
247 case DM_DP_SWITCH_UART:
248 ret = regmap_update_bits(info->regmap, SM5502_REG_MANUAL_SW1,
249 SM5502_REG_MANUAL_SW1_DP_MASK |
250 SM5502_REG_MANUAL_SW1_DM_MASK,
254 "cannot update DM_CON/DP_CON switch\n");
259 dev_err(info->dev, "Unknown DM_CON/DP_CON switch type (%d)\n",
265 case VBUSIN_SWITCH_OPEN:
266 case VBUSIN_SWITCH_VBUSOUT:
267 case VBUSIN_SWITCH_MIC:
268 case VBUSIN_SWITCH_VBUSOUT_WITH_USB:
269 ret = regmap_update_bits(info->regmap, SM5502_REG_MANUAL_SW1,
270 SM5502_REG_MANUAL_SW1_VBUSIN_MASK,
274 "cannot update VBUSIN switch\n");
279 dev_err(info->dev, "Unknown VBUS switch type (%d)\n", vbus_sw);
286 /* Return cable type of attached or detached accessories */
287 static unsigned int sm5502_muic_get_cable_type(struct sm5502_muic_info *info)
289 unsigned int cable_type = -1, adc, dev_type1;
292 /* Read ADC value according to external cable or button */
293 ret = regmap_read(info->regmap, SM5502_REG_ADC, &adc);
295 dev_err(info->dev, "failed to read ADC register\n");
300 * If ADC is SM5502_MUIC_ADC_GROUND(0x0), external cable hasn't
301 * connected with to MUIC device.
303 cable_type &= SM5502_REG_ADC_MASK;
304 if (cable_type == SM5502_MUIC_ADC_GROUND)
305 return SM5502_MUIC_ADC_GROUND;
307 switch (cable_type) {
308 case SM5502_MUIC_ADC_GROUND:
309 case SM5502_MUIC_ADC_SEND_END_BUTTON:
310 case SM5502_MUIC_ADC_REMOTE_S1_BUTTON:
311 case SM5502_MUIC_ADC_REMOTE_S2_BUTTON:
312 case SM5502_MUIC_ADC_REMOTE_S3_BUTTON:
313 case SM5502_MUIC_ADC_REMOTE_S4_BUTTON:
314 case SM5502_MUIC_ADC_REMOTE_S5_BUTTON:
315 case SM5502_MUIC_ADC_REMOTE_S6_BUTTON:
316 case SM5502_MUIC_ADC_REMOTE_S7_BUTTON:
317 case SM5502_MUIC_ADC_REMOTE_S8_BUTTON:
318 case SM5502_MUIC_ADC_REMOTE_S9_BUTTON:
319 case SM5502_MUIC_ADC_REMOTE_S10_BUTTON:
320 case SM5502_MUIC_ADC_REMOTE_S11_BUTTON:
321 case SM5502_MUIC_ADC_REMOTE_S12_BUTTON:
322 case SM5502_MUIC_ADC_RESERVED_ACC_1:
323 case SM5502_MUIC_ADC_RESERVED_ACC_2:
324 case SM5502_MUIC_ADC_RESERVED_ACC_3:
325 case SM5502_MUIC_ADC_RESERVED_ACC_4:
326 case SM5502_MUIC_ADC_RESERVED_ACC_5:
327 case SM5502_MUIC_ADC_AUDIO_TYPE2:
328 case SM5502_MUIC_ADC_PHONE_POWERED_DEV:
329 case SM5502_MUIC_ADC_TTY_CONVERTER:
330 case SM5502_MUIC_ADC_UART_CABLE:
331 case SM5502_MUIC_ADC_TYPE1_CHARGER:
332 case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_USB:
333 case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_USB:
334 case SM5502_MUIC_ADC_AUDIO_VIDEO_CABLE:
335 case SM5502_MUIC_ADC_TYPE2_CHARGER:
336 case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_UART:
337 case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_UART:
339 case SM5502_MUIC_ADC_AUDIO_TYPE1:
341 * Check whether cable type is
342 * SM5502_MUIC_ADC_AUDIO_TYPE1_FULL_REMOTE
343 * or SM5502_MUIC_ADC_AUDIO_TYPE1_SEND_END
344 * by using Button event.
347 case SM5502_MUIC_ADC_OPEN:
348 ret = regmap_read(info->regmap, SM5502_REG_DEV_TYPE1,
351 dev_err(info->dev, "failed to read DEV_TYPE1 reg\n");
356 case SM5502_REG_DEV_TYPE1_USB_SDP_MASK:
357 cable_type = SM5502_MUIC_ADC_OPEN_USB;
359 case SM5502_REG_DEV_TYPE1_DEDICATED_CHG_MASK:
360 cable_type = SM5502_MUIC_ADC_OPEN_TA;
362 case SM5502_REG_DEV_TYPE1_USB_OTG_MASK:
363 cable_type = SM5502_MUIC_ADC_OPEN_USB_OTG;
367 "cannot identify the cable type: adc(0x%x) "
368 "dev_type1(0x%x)\n", adc, dev_type1);
374 "failed to identify the cable type: adc(0x%x)\n", adc);
381 static int sm5502_muic_cable_handler(struct sm5502_muic_info *info,
384 static unsigned int prev_cable_type = SM5502_MUIC_ADC_GROUND;
385 const char **cable_names = info->edev->supported_cable;
386 unsigned int cable_type = SM5502_MUIC_ADC_GROUND;
387 unsigned int con_sw = DM_DP_SWITCH_OPEN;
388 unsigned int vbus_sw = VBUSIN_SWITCH_OPEN;
389 unsigned int idx = 0;
395 /* Get the type of attached or detached cable */
397 cable_type = sm5502_muic_get_cable_type(info);
399 cable_type = prev_cable_type;
400 prev_cable_type = cable_type;
402 switch (cable_type) {
403 case SM5502_MUIC_ADC_OPEN_USB:
404 idx = EXTCON_CABLE_USB;
405 con_sw = DM_DP_SWITCH_USB;
406 vbus_sw = VBUSIN_SWITCH_VBUSOUT_WITH_USB;
408 case SM5502_MUIC_ADC_OPEN_TA:
409 idx = EXTCON_CABLE_TA;
410 con_sw = DM_DP_SWITCH_OPEN;
411 vbus_sw = VBUSIN_SWITCH_VBUSOUT;
413 case SM5502_MUIC_ADC_OPEN_USB_OTG:
414 idx = EXTCON_CABLE_USB_HOST;
415 con_sw = DM_DP_SWITCH_USB;
416 vbus_sw = VBUSIN_SWITCH_OPEN;
420 "cannot handle this cable_type (0x%x)\n", cable_type);
424 /* Change internal hardware path(DM_CON/DP_CON, VBUSIN) */
425 ret = sm5502_muic_set_path(info, con_sw, vbus_sw, attached);
429 /* Change the state of external accessory */
430 extcon_set_cable_state(info->edev, cable_names[idx], attached);
435 static void sm5502_muic_irq_work(struct work_struct *work)
437 struct sm5502_muic_info *info = container_of(work,
438 struct sm5502_muic_info, irq_work);
444 mutex_lock(&info->mutex);
446 /* Detect attached or detached cables */
447 if (info->irq_attach) {
448 ret = sm5502_muic_cable_handler(info, true);
449 info->irq_attach = false;
451 if (info->irq_detach) {
452 ret = sm5502_muic_cable_handler(info, false);
453 info->irq_detach = false;
457 dev_err(info->dev, "failed to handle MUIC interrupt\n");
459 mutex_unlock(&info->mutex);
465 * Sets irq_attach or irq_detach in sm5502_muic_info and returns 0.
466 * Returns -ESRCH if irq_type does not match registered IRQ for this dev type.
468 static int sm5502_parse_irq(struct sm5502_muic_info *info, int irq_type)
471 case SM5502_IRQ_INT1_ATTACH:
472 info->irq_attach = true;
474 case SM5502_IRQ_INT1_DETACH:
475 info->irq_detach = true;
477 case SM5502_IRQ_INT1_KP:
478 case SM5502_IRQ_INT1_LKP:
479 case SM5502_IRQ_INT1_LKR:
480 case SM5502_IRQ_INT1_OVP_EVENT:
481 case SM5502_IRQ_INT1_OCP_EVENT:
482 case SM5502_IRQ_INT1_OVP_OCP_DIS:
483 case SM5502_IRQ_INT2_VBUS_DET:
484 case SM5502_IRQ_INT2_REV_ACCE:
485 case SM5502_IRQ_INT2_ADC_CHG:
486 case SM5502_IRQ_INT2_STUCK_KEY:
487 case SM5502_IRQ_INT2_STUCK_KEY_RCV:
488 case SM5502_IRQ_INT2_MHL:
496 static irqreturn_t sm5502_muic_irq_handler(int irq, void *data)
498 struct sm5502_muic_info *info = data;
499 int i, irq_type = -1, ret;
501 for (i = 0; i < info->num_muic_irqs; i++)
502 if (irq == info->muic_irqs[i].virq)
503 irq_type = info->muic_irqs[i].irq;
505 ret = sm5502_parse_irq(info, irq_type);
507 dev_warn(info->dev, "cannot handle is interrupt:%d\n",
511 schedule_work(&info->irq_work);
516 static void sm5502_muic_detect_cable_wq(struct work_struct *work)
518 struct sm5502_muic_info *info = container_of(to_delayed_work(work),
519 struct sm5502_muic_info, wq_detcable);
522 /* Notify the state of connector cable or not */
523 ret = sm5502_muic_cable_handler(info, true);
525 dev_warn(info->dev, "failed to detect cable state\n");
528 static void sm5502_init_dev_type(struct sm5502_muic_info *info)
530 unsigned int reg_data, vendor_id, version_id;
533 /* To test I2C, Print version_id and vendor_id of SM5502 */
534 ret = regmap_read(info->regmap, SM5502_REG_DEVICE_ID, ®_data);
537 "failed to read DEVICE_ID register: %d\n", ret);
541 vendor_id = ((reg_data & SM5502_REG_DEVICE_ID_VENDOR_MASK) >>
542 SM5502_REG_DEVICE_ID_VENDOR_SHIFT);
543 version_id = ((reg_data & SM5502_REG_DEVICE_ID_VERSION_MASK) >>
544 SM5502_REG_DEVICE_ID_VERSION_SHIFT);
546 dev_info(info->dev, "Device type: version: 0x%x, vendor: 0x%x\n",
547 version_id, vendor_id);
549 /* Initiazle the register of SM5502 device to bring-up */
550 for (i = 0; i < info->num_reg_data; i++) {
551 unsigned int val = 0;
553 if (!info->reg_data[i].invert)
554 val |= ~info->reg_data[i].val;
556 val = info->reg_data[i].val;
557 regmap_write(info->regmap, info->reg_data[i].reg, val);
561 static int sm5022_muic_i2c_probe(struct i2c_client *i2c,
562 const struct i2c_device_id *id)
564 struct device_node *np = i2c->dev.of_node;
565 struct sm5502_muic_info *info;
566 int i, ret, irq_flags;
571 info = devm_kzalloc(&i2c->dev, sizeof(*info), GFP_KERNEL);
574 i2c_set_clientdata(i2c, info);
576 info->dev = &i2c->dev;
578 info->irq = i2c->irq;
579 info->muic_irqs = sm5502_muic_irqs;
580 info->num_muic_irqs = ARRAY_SIZE(sm5502_muic_irqs);
581 info->reg_data = sm5502_reg_data;
582 info->num_reg_data = ARRAY_SIZE(sm5502_reg_data);
584 mutex_init(&info->mutex);
586 INIT_WORK(&info->irq_work, sm5502_muic_irq_work);
588 info->regmap = devm_regmap_init_i2c(i2c, &sm5502_muic_regmap_config);
589 if (IS_ERR(info->regmap)) {
590 ret = PTR_ERR(info->regmap);
591 dev_err(info->dev, "failed to allocate register map: %d\n",
596 /* Support irq domain for SM5502 MUIC device */
597 irq_flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT | IRQF_SHARED;
598 ret = regmap_add_irq_chip(info->regmap, info->irq, irq_flags, 0,
599 &sm5502_muic_irq_chip, &info->irq_data);
601 dev_err(info->dev, "failed to request IRQ %d: %d\n",
606 for (i = 0; i < info->num_muic_irqs; i++) {
607 struct muic_irq *muic_irq = &info->muic_irqs[i];
608 unsigned int virq = 0;
610 virq = regmap_irq_get_virq(info->irq_data, muic_irq->irq);
613 muic_irq->virq = virq;
615 ret = devm_request_threaded_irq(info->dev, virq, NULL,
616 sm5502_muic_irq_handler,
618 muic_irq->name, info);
620 dev_err(info->dev, "failed: irq request (IRQ: %d,"
621 " error :%d)\n", muic_irq->irq, ret);
626 /* Allocate extcon device */
627 info->edev = devm_extcon_dev_allocate(info->dev, sm5502_extcon_cable);
628 if (IS_ERR(info->edev)) {
629 dev_err(info->dev, "failed to allocate memory for extcon\n");
632 info->edev->name = np->name;
634 /* Register extcon device */
635 ret = devm_extcon_dev_register(info->dev, info->edev);
637 dev_err(info->dev, "failed to register extcon device\n");
642 * Detect accessory after completing the initialization of platform
644 * - Use delayed workqueue to detect cable state and then
645 * notify cable state to notifiee/platform through uevent.
646 * After completing the booting of platform, the extcon provider
647 * driver should notify cable state to upper layer.
649 INIT_DELAYED_WORK(&info->wq_detcable, sm5502_muic_detect_cable_wq);
650 queue_delayed_work(system_power_efficient_wq, &info->wq_detcable,
651 msecs_to_jiffies(DELAY_MS_DEFAULT));
653 /* Initialize SM5502 device and print vendor id and version id */
654 sm5502_init_dev_type(info);
659 static int sm5502_muic_i2c_remove(struct i2c_client *i2c)
661 struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
663 regmap_del_irq_chip(info->irq, info->irq_data);
668 static struct of_device_id sm5502_dt_match[] = {
669 { .compatible = "siliconmitus,sm5502-muic" },
673 #ifdef CONFIG_PM_SLEEP
674 static int sm5502_muic_suspend(struct device *dev)
676 struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
677 struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
679 enable_irq_wake(info->irq);
684 static int sm5502_muic_resume(struct device *dev)
686 struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
687 struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
689 disable_irq_wake(info->irq);
695 static SIMPLE_DEV_PM_OPS(sm5502_muic_pm_ops,
696 sm5502_muic_suspend, sm5502_muic_resume);
698 static const struct i2c_device_id sm5502_i2c_id[] = {
699 { "sm5502", TYPE_SM5502 },
702 MODULE_DEVICE_TABLE(i2c, sm5502_i2c_id);
704 static struct i2c_driver sm5502_muic_i2c_driver = {
707 .owner = THIS_MODULE,
708 .pm = &sm5502_muic_pm_ops,
709 .of_match_table = sm5502_dt_match,
711 .probe = sm5022_muic_i2c_probe,
712 .remove = sm5502_muic_i2c_remove,
713 .id_table = sm5502_i2c_id,
716 static int __init sm5502_muic_i2c_init(void)
718 return i2c_add_driver(&sm5502_muic_i2c_driver);
720 subsys_initcall(sm5502_muic_i2c_init);
722 MODULE_DESCRIPTION("Silicon Mitus SM5502 Extcon driver");
723 MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
724 MODULE_LICENSE("GPL");