tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2020 MediaTek Inc.
4 *
5 * Author: Gene Chen <gene_chen@richtek.com>
6 */
7
8#include <linux/i2c.h>
9#include <linux/init.h>
10#include <linux/interrupt.h>
11#include <linux/kernel.h>
12#include <linux/mfd/core.h>
13#include <linux/module.h>
14#include <linux/of_irq.h>
15#include <linux/of_platform.h>
16#include <linux/version.h>
17
18#include <linux/mfd/mt6360.h>
19
20/* reg 0 -> 0 ~ 7 */
21#define MT6360_CHG_TREG_EVT (4)
22#define MT6360_CHG_AICR_EVT (5)
23#define MT6360_CHG_MIVR_EVT (6)
24#define MT6360_PWR_RDY_EVT (7)
25/* REG 1 -> 8 ~ 15 */
26#define MT6360_CHG_BATSYSUV_EVT (9)
27#define MT6360_FLED_CHG_VINOVP_EVT (11)
28#define MT6360_CHG_VSYSUV_EVT (12)
29#define MT6360_CHG_VSYSOV_EVT (13)
30#define MT6360_CHG_VBATOV_EVT (14)
31#define MT6360_CHG_VBUSOV_EVT (15)
32/* REG 2 -> 16 ~ 23 */
33/* REG 3 -> 24 ~ 31 */
34#define MT6360_WD_PMU_DET (25)
35#define MT6360_WD_PMU_DONE (26)
36#define MT6360_CHG_TMRI (27)
37#define MT6360_CHG_ADPBADI (29)
38#define MT6360_CHG_RVPI (30)
39#define MT6360_OTPI (31)
40/* REG 4 -> 32 ~ 39 */
41#define MT6360_CHG_AICCMEASL (32)
42#define MT6360_CHGDET_DONEI (34)
43#define MT6360_WDTMRI (35)
44#define MT6360_SSFINISHI (36)
45#define MT6360_CHG_RECHGI (37)
46#define MT6360_CHG_TERMI (38)
47#define MT6360_CHG_IEOCI (39)
48/* REG 5 -> 40 ~ 47 */
49#define MT6360_PUMPX_DONEI (40)
50#define MT6360_BAT_OVP_ADC_EVT (41)
51#define MT6360_TYPEC_OTP_EVT (42)
52#define MT6360_ADC_WAKEUP_EVT (43)
53#define MT6360_ADC_DONEI (44)
54#define MT6360_BST_BATUVI (45)
55#define MT6360_BST_VBUSOVI (46)
56#define MT6360_BST_OLPI (47)
57/* REG 6 -> 48 ~ 55 */
58#define MT6360_ATTACH_I (48)
59#define MT6360_DETACH_I (49)
60#define MT6360_QC30_STPDONE (51)
61#define MT6360_QC_VBUSDET_DONE (52)
62#define MT6360_HVDCP_DET (53)
63#define MT6360_CHGDETI (54)
64#define MT6360_DCDTI (55)
65/* REG 7 -> 56 ~ 63 */
66#define MT6360_FOD_DONE_EVT (56)
67#define MT6360_FOD_OV_EVT (57)
68#define MT6360_CHRDET_UVP_EVT (58)
69#define MT6360_CHRDET_OVP_EVT (59)
70#define MT6360_CHRDET_EXT_EVT (60)
71#define MT6360_FOD_LR_EVT (61)
72#define MT6360_FOD_HR_EVT (62)
73#define MT6360_FOD_DISCHG_FAIL_EVT (63)
74/* REG 8 -> 64 ~ 71 */
75#define MT6360_USBID_EVT (64)
76#define MT6360_APWDTRST_EVT (65)
77#define MT6360_EN_EVT (66)
78#define MT6360_QONB_RST_EVT (67)
79#define MT6360_MRSTB_EVT (68)
80#define MT6360_OTP_EVT (69)
81#define MT6360_VDDAOV_EVT (70)
82#define MT6360_SYSUV_EVT (71)
83/* REG 9 -> 72 ~ 79 */
84#define MT6360_FLED_STRBPIN_EVT (72)
85#define MT6360_FLED_TORPIN_EVT (73)
86#define MT6360_FLED_TX_EVT (74)
87#define MT6360_FLED_LVF_EVT (75)
88#define MT6360_FLED2_SHORT_EVT (78)
89#define MT6360_FLED1_SHORT_EVT (79)
90/* REG 10 -> 80 ~ 87 */
91#define MT6360_FLED2_STRB_EVT (80)
92#define MT6360_FLED1_STRB_EVT (81)
93#define MT6360_FLED2_STRB_TO_EVT (82)
94#define MT6360_FLED1_STRB_TO_EVT (83)
95#define MT6360_FLED2_TOR_EVT (84)
96#define MT6360_FLED1_TOR_EVT (85)
97/* REG 11 -> 88 ~ 95 */
98/* REG 12 -> 96 ~ 103 */
99#define MT6360_BUCK1_PGB_EVT (96)
100#define MT6360_BUCK1_OC_EVT (100)
101#define MT6360_BUCK1_OV_EVT (101)
102#define MT6360_BUCK1_UV_EVT (102)
103/* REG 13 -> 104 ~ 111 */
104#define MT6360_BUCK2_PGB_EVT (104)
105#define MT6360_BUCK2_OC_EVT (108)
106#define MT6360_BUCK2_OV_EVT (109)
107#define MT6360_BUCK2_UV_EVT (110)
108/* REG 14 -> 112 ~ 119 */
109#define MT6360_LDO1_OC_EVT (113)
110#define MT6360_LDO2_OC_EVT (114)
111#define MT6360_LDO3_OC_EVT (115)
112#define MT6360_LDO5_OC_EVT (117)
113#define MT6360_LDO6_OC_EVT (118)
114#define MT6360_LDO7_OC_EVT (119)
115/* REG 15 -> 120 ~ 127 */
116#define MT6360_LDO1_PGB_EVT (121)
117#define MT6360_LDO2_PGB_EVT (122)
118#define MT6360_LDO3_PGB_EVT (123)
119#define MT6360_LDO5_PGB_EVT (125)
120#define MT6360_LDO6_PGB_EVT (126)
121#define MT6360_LDO7_PGB_EVT (127)
122
123static const struct regmap_irq mt6360_pmu_irqs[] = {
124 REGMAP_IRQ_REG_LINE(MT6360_CHG_TREG_EVT, 8),
125 REGMAP_IRQ_REG_LINE(MT6360_CHG_AICR_EVT, 8),
126 REGMAP_IRQ_REG_LINE(MT6360_CHG_MIVR_EVT, 8),
127 REGMAP_IRQ_REG_LINE(MT6360_PWR_RDY_EVT, 8),
128 REGMAP_IRQ_REG_LINE(MT6360_CHG_BATSYSUV_EVT, 8),
129 REGMAP_IRQ_REG_LINE(MT6360_FLED_CHG_VINOVP_EVT, 8),
130 REGMAP_IRQ_REG_LINE(MT6360_CHG_VSYSUV_EVT, 8),
131 REGMAP_IRQ_REG_LINE(MT6360_CHG_VSYSOV_EVT, 8),
132 REGMAP_IRQ_REG_LINE(MT6360_CHG_VBATOV_EVT, 8),
133 REGMAP_IRQ_REG_LINE(MT6360_CHG_VBUSOV_EVT, 8),
134 REGMAP_IRQ_REG_LINE(MT6360_WD_PMU_DET, 8),
135 REGMAP_IRQ_REG_LINE(MT6360_WD_PMU_DONE, 8),
136 REGMAP_IRQ_REG_LINE(MT6360_CHG_TMRI, 8),
137 REGMAP_IRQ_REG_LINE(MT6360_CHG_ADPBADI, 8),
138 REGMAP_IRQ_REG_LINE(MT6360_CHG_RVPI, 8),
139 REGMAP_IRQ_REG_LINE(MT6360_OTPI, 8),
140 REGMAP_IRQ_REG_LINE(MT6360_CHG_AICCMEASL, 8),
141 REGMAP_IRQ_REG_LINE(MT6360_CHGDET_DONEI, 8),
142 REGMAP_IRQ_REG_LINE(MT6360_WDTMRI, 8),
143 REGMAP_IRQ_REG_LINE(MT6360_SSFINISHI, 8),
144 REGMAP_IRQ_REG_LINE(MT6360_CHG_RECHGI, 8),
145 REGMAP_IRQ_REG_LINE(MT6360_CHG_TERMI, 8),
146 REGMAP_IRQ_REG_LINE(MT6360_CHG_IEOCI, 8),
147 REGMAP_IRQ_REG_LINE(MT6360_PUMPX_DONEI, 8),
148 REGMAP_IRQ_REG_LINE(MT6360_BAT_OVP_ADC_EVT, 8),
149 REGMAP_IRQ_REG_LINE(MT6360_TYPEC_OTP_EVT, 8),
150 REGMAP_IRQ_REG_LINE(MT6360_ADC_WAKEUP_EVT, 8),
151 REGMAP_IRQ_REG_LINE(MT6360_ADC_DONEI, 8),
152 REGMAP_IRQ_REG_LINE(MT6360_BST_BATUVI, 8),
153 REGMAP_IRQ_REG_LINE(MT6360_BST_VBUSOVI, 8),
154 REGMAP_IRQ_REG_LINE(MT6360_BST_OLPI, 8),
155 REGMAP_IRQ_REG_LINE(MT6360_ATTACH_I, 8),
156 REGMAP_IRQ_REG_LINE(MT6360_DETACH_I, 8),
157 REGMAP_IRQ_REG_LINE(MT6360_QC30_STPDONE, 8),
158 REGMAP_IRQ_REG_LINE(MT6360_QC_VBUSDET_DONE, 8),
159 REGMAP_IRQ_REG_LINE(MT6360_HVDCP_DET, 8),
160 REGMAP_IRQ_REG_LINE(MT6360_CHGDETI, 8),
161 REGMAP_IRQ_REG_LINE(MT6360_DCDTI, 8),
162 REGMAP_IRQ_REG_LINE(MT6360_FOD_DONE_EVT, 8),
163 REGMAP_IRQ_REG_LINE(MT6360_FOD_OV_EVT, 8),
164 REGMAP_IRQ_REG_LINE(MT6360_CHRDET_UVP_EVT, 8),
165 REGMAP_IRQ_REG_LINE(MT6360_CHRDET_OVP_EVT, 8),
166 REGMAP_IRQ_REG_LINE(MT6360_CHRDET_EXT_EVT, 8),
167 REGMAP_IRQ_REG_LINE(MT6360_FOD_LR_EVT, 8),
168 REGMAP_IRQ_REG_LINE(MT6360_FOD_HR_EVT, 8),
169 REGMAP_IRQ_REG_LINE(MT6360_FOD_DISCHG_FAIL_EVT, 8),
170 REGMAP_IRQ_REG_LINE(MT6360_USBID_EVT, 8),
171 REGMAP_IRQ_REG_LINE(MT6360_APWDTRST_EVT, 8),
172 REGMAP_IRQ_REG_LINE(MT6360_EN_EVT, 8),
173 REGMAP_IRQ_REG_LINE(MT6360_QONB_RST_EVT, 8),
174 REGMAP_IRQ_REG_LINE(MT6360_MRSTB_EVT, 8),
175 REGMAP_IRQ_REG_LINE(MT6360_OTP_EVT, 8),
176 REGMAP_IRQ_REG_LINE(MT6360_VDDAOV_EVT, 8),
177 REGMAP_IRQ_REG_LINE(MT6360_SYSUV_EVT, 8),
178 REGMAP_IRQ_REG_LINE(MT6360_FLED_STRBPIN_EVT, 8),
179 REGMAP_IRQ_REG_LINE(MT6360_FLED_TORPIN_EVT, 8),
180 REGMAP_IRQ_REG_LINE(MT6360_FLED_TX_EVT, 8),
181 REGMAP_IRQ_REG_LINE(MT6360_FLED_LVF_EVT, 8),
182 REGMAP_IRQ_REG_LINE(MT6360_FLED2_SHORT_EVT, 8),
183 REGMAP_IRQ_REG_LINE(MT6360_FLED1_SHORT_EVT, 8),
184 REGMAP_IRQ_REG_LINE(MT6360_FLED2_STRB_EVT, 8),
185 REGMAP_IRQ_REG_LINE(MT6360_FLED1_STRB_EVT, 8),
186 REGMAP_IRQ_REG_LINE(MT6360_FLED2_STRB_TO_EVT, 8),
187 REGMAP_IRQ_REG_LINE(MT6360_FLED1_STRB_TO_EVT, 8),
188 REGMAP_IRQ_REG_LINE(MT6360_FLED2_TOR_EVT, 8),
189 REGMAP_IRQ_REG_LINE(MT6360_FLED1_TOR_EVT, 8),
190 REGMAP_IRQ_REG_LINE(MT6360_BUCK1_PGB_EVT, 8),
191 REGMAP_IRQ_REG_LINE(MT6360_BUCK1_OC_EVT, 8),
192 REGMAP_IRQ_REG_LINE(MT6360_BUCK1_OV_EVT, 8),
193 REGMAP_IRQ_REG_LINE(MT6360_BUCK1_UV_EVT, 8),
194 REGMAP_IRQ_REG_LINE(MT6360_BUCK2_PGB_EVT, 8),
195 REGMAP_IRQ_REG_LINE(MT6360_BUCK2_OC_EVT, 8),
196 REGMAP_IRQ_REG_LINE(MT6360_BUCK2_OV_EVT, 8),
197 REGMAP_IRQ_REG_LINE(MT6360_BUCK2_UV_EVT, 8),
198 REGMAP_IRQ_REG_LINE(MT6360_LDO1_OC_EVT, 8),
199 REGMAP_IRQ_REG_LINE(MT6360_LDO2_OC_EVT, 8),
200 REGMAP_IRQ_REG_LINE(MT6360_LDO3_OC_EVT, 8),
201 REGMAP_IRQ_REG_LINE(MT6360_LDO5_OC_EVT, 8),
202 REGMAP_IRQ_REG_LINE(MT6360_LDO6_OC_EVT, 8),
203 REGMAP_IRQ_REG_LINE(MT6360_LDO7_OC_EVT, 8),
204 REGMAP_IRQ_REG_LINE(MT6360_LDO1_PGB_EVT, 8),
205 REGMAP_IRQ_REG_LINE(MT6360_LDO2_PGB_EVT, 8),
206 REGMAP_IRQ_REG_LINE(MT6360_LDO3_PGB_EVT, 8),
207 REGMAP_IRQ_REG_LINE(MT6360_LDO5_PGB_EVT, 8),
208 REGMAP_IRQ_REG_LINE(MT6360_LDO6_PGB_EVT, 8),
209 REGMAP_IRQ_REG_LINE(MT6360_LDO7_PGB_EVT, 8),
210};
211
212static int mt6360_pmu_handle_post_irq(void *irq_drv_data)
213{
214 struct mt6360_pmu_data *mpd = irq_drv_data;
215
216 return regmap_update_bits(mpd->regmap,
217 MT6360_PMU_IRQ_SET, MT6360_IRQ_RETRIG, MT6360_IRQ_RETRIG);
218}
219
220static struct regmap_irq_chip mt6360_pmu_irq_chip = {
221 .irqs = mt6360_pmu_irqs,
222 .num_irqs = ARRAY_SIZE(mt6360_pmu_irqs),
223 .num_regs = MT6360_PMU_IRQ_REGNUM,
224 .mask_base = MT6360_PMU_CHG_MASK1,
225 .status_base = MT6360_PMU_CHG_IRQ1,
226 .ack_base = MT6360_PMU_CHG_IRQ1,
227 .init_ack_masked = true,
228 .use_ack = true,
229 .handle_post_irq = mt6360_pmu_handle_post_irq,
230};
231
232static const struct regmap_config mt6360_pmu_regmap_config = {
233 .reg_bits = 8,
234 .val_bits = 8,
235 .max_register = MT6360_PMU_MAXREG,
236};
237
238static const struct resource mt6360_adc_resources[] = {
239 DEFINE_RES_IRQ_NAMED(MT6360_ADC_DONEI, "adc_donei"),
240};
241
242static const struct resource mt6360_chg_resources[] = {
243 DEFINE_RES_IRQ_NAMED(MT6360_CHG_TREG_EVT, "chg_treg_evt"),
244 DEFINE_RES_IRQ_NAMED(MT6360_PWR_RDY_EVT, "pwr_rdy_evt"),
245 DEFINE_RES_IRQ_NAMED(MT6360_CHG_BATSYSUV_EVT, "chg_batsysuv_evt"),
246 DEFINE_RES_IRQ_NAMED(MT6360_CHG_VSYSUV_EVT, "chg_vsysuv_evt"),
247 DEFINE_RES_IRQ_NAMED(MT6360_CHG_VSYSOV_EVT, "chg_vsysov_evt"),
248 DEFINE_RES_IRQ_NAMED(MT6360_CHG_VBATOV_EVT, "chg_vbatov_evt"),
249 DEFINE_RES_IRQ_NAMED(MT6360_CHG_VBUSOV_EVT, "chg_vbusov_evt"),
250 DEFINE_RES_IRQ_NAMED(MT6360_CHG_AICCMEASL, "chg_aiccmeasl"),
251 DEFINE_RES_IRQ_NAMED(MT6360_WDTMRI, "wdtmri"),
252 DEFINE_RES_IRQ_NAMED(MT6360_CHG_RECHGI, "chg_rechgi"),
253 DEFINE_RES_IRQ_NAMED(MT6360_CHG_TERMI, "chg_termi"),
254 DEFINE_RES_IRQ_NAMED(MT6360_CHG_IEOCI, "chg_ieoci"),
255 DEFINE_RES_IRQ_NAMED(MT6360_PUMPX_DONEI, "pumpx_donei"),
256 DEFINE_RES_IRQ_NAMED(MT6360_ATTACH_I, "attach_i"),
257 DEFINE_RES_IRQ_NAMED(MT6360_CHRDET_EXT_EVT, "chrdet_ext_evt"),
258};
259
260static const struct resource mt6360_led_resources[] = {
261 DEFINE_RES_IRQ_NAMED(MT6360_FLED_CHG_VINOVP_EVT, "fled_chg_vinovp_evt"),
262 DEFINE_RES_IRQ_NAMED(MT6360_FLED_LVF_EVT, "fled_lvf_evt"),
263 DEFINE_RES_IRQ_NAMED(MT6360_FLED2_SHORT_EVT, "fled2_short_evt"),
264 DEFINE_RES_IRQ_NAMED(MT6360_FLED1_SHORT_EVT, "fled1_short_evt"),
265 DEFINE_RES_IRQ_NAMED(MT6360_FLED2_STRB_TO_EVT, "fled2_strb_to_evt"),
266 DEFINE_RES_IRQ_NAMED(MT6360_FLED1_STRB_TO_EVT, "fled1_strb_to_evt"),
267};
268
269static const struct resource mt6360_pmic_resources[] = {
270 DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_PGB_EVT, "buck1_pgb_evt"),
271 DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OC_EVT, "buck1_oc_evt"),
272 DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OV_EVT, "buck1_ov_evt"),
273 DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_UV_EVT, "buck1_uv_evt"),
274 DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_PGB_EVT, "buck2_pgb_evt"),
275 DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OC_EVT, "buck2_oc_evt"),
276 DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OV_EVT, "buck2_ov_evt"),
277 DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_UV_EVT, "buck2_uv_evt"),
278 DEFINE_RES_IRQ_NAMED(MT6360_LDO6_OC_EVT, "ldo6_oc_evt"),
279 DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_evt"),
280 DEFINE_RES_IRQ_NAMED(MT6360_LDO6_PGB_EVT, "ldo6_pgb_evt"),
281 DEFINE_RES_IRQ_NAMED(MT6360_LDO7_PGB_EVT, "ldo7_pgb_evt"),
282};
283
284static const struct resource mt6360_ldo_resources[] = {
285 DEFINE_RES_IRQ_NAMED(MT6360_LDO1_OC_EVT, "ldo1_oc_evt"),
286 DEFINE_RES_IRQ_NAMED(MT6360_LDO2_OC_EVT, "ldo2_oc_evt"),
287 DEFINE_RES_IRQ_NAMED(MT6360_LDO3_OC_EVT, "ldo3_oc_evt"),
288 DEFINE_RES_IRQ_NAMED(MT6360_LDO5_OC_EVT, "ldo5_oc_evt"),
289 DEFINE_RES_IRQ_NAMED(MT6360_LDO1_PGB_EVT, "ldo1_pgb_evt"),
290 DEFINE_RES_IRQ_NAMED(MT6360_LDO2_PGB_EVT, "ldo2_pgb_evt"),
291 DEFINE_RES_IRQ_NAMED(MT6360_LDO3_PGB_EVT, "ldo3_pgb_evt"),
292 DEFINE_RES_IRQ_NAMED(MT6360_LDO5_PGB_EVT, "ldo5_pgb_evt"),
293};
294
295static const struct mfd_cell mt6360_devs[] = {
296 OF_MFD_CELL("mt6360_adc", mt6360_adc_resources,
297 NULL, 0, 0, "mediatek,mt6360_adc"),
298 OF_MFD_CELL("mt6360_chg", mt6360_chg_resources,
299 NULL, 0, 0, "mediatek,mt6360_chg"),
300 OF_MFD_CELL("mt6360_led", mt6360_led_resources,
301 NULL, 0, 0, "mediatek,mt6360_led"),
302 OF_MFD_CELL("mt6360_pmic", mt6360_pmic_resources,
303 NULL, 0, 0, "mediatek,mt6360_pmic"),
304 OF_MFD_CELL("mt6360_ldo", mt6360_ldo_resources,
305 NULL, 0, 0, "mediatek,mt6360_ldo"),
306 OF_MFD_CELL("mt6360_tcpc", NULL,
307 NULL, 0, 0, "mediatek,mt6360_tcpc"),
308};
309
310static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
311 MT6360_PMU_SLAVEID,
312 MT6360_PMIC_SLAVEID,
313 MT6360_LDO_SLAVEID,
314 MT6360_TCPC_SLAVEID,
315};
316
317static int mt6360_pmu_probe(struct i2c_client *client)
318{
319 struct mt6360_pmu_data *mpd;
320 unsigned int reg_data;
321 int i, ret;
322
323 mpd = devm_kzalloc(&client->dev, sizeof(*mpd), GFP_KERNEL);
324 if (!mpd)
325 return -ENOMEM;
326
327 mpd->dev = &client->dev;
328 i2c_set_clientdata(client, mpd);
329
330 mpd->regmap = devm_regmap_init_i2c(client, &mt6360_pmu_regmap_config);
331 if (IS_ERR(mpd->regmap)) {
332 dev_err(&client->dev, "Failed to register regmap\n");
333 return PTR_ERR(mpd->regmap);
334 }
335
336 ret = regmap_read(mpd->regmap, MT6360_PMU_DEV_INFO, ®_data);
337 if (ret) {
338 dev_err(&client->dev, "Device not found\n");
339 return ret;
340 }
341
342 mpd->chip_rev = reg_data & CHIP_REV_MASK;
343 if (mpd->chip_rev != CHIP_VEN_MT6360) {
344 dev_err(&client->dev, "Device not supported\n");
345 return -ENODEV;
346 }
347
348 mt6360_pmu_irq_chip.irq_drv_data = mpd;
349 ret = devm_regmap_add_irq_chip(&client->dev, mpd->regmap, client->irq,
350 IRQF_TRIGGER_FALLING, 0,
351 &mt6360_pmu_irq_chip, &mpd->irq_data);
352 if (ret) {
353 dev_err(&client->dev, "Failed to add Regmap IRQ Chip\n");
354 return ret;
355 }
356
357 mpd->i2c[0] = client;
358 for (i = 1; i < MT6360_SLAVE_MAX; i++) {
359 mpd->i2c[i] = devm_i2c_new_dummy_device(&client->dev,
360 client->adapter,
361 mt6360_slave_addr[i]);
362 if (IS_ERR(mpd->i2c[i])) {
363 dev_err(&client->dev,
364 "Failed to get new dummy I2C device for address 0x%x",
365 mt6360_slave_addr[i]);
366 return PTR_ERR(mpd->i2c[i]);
367 }
368 i2c_set_clientdata(mpd->i2c[i], mpd);
369 }
370
371 ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO,
372 mt6360_devs, ARRAY_SIZE(mt6360_devs), NULL,
373 0, regmap_irq_get_domain(mpd->irq_data));
374 if (ret) {
375 dev_err(&client->dev,
376 "Failed to register subordinate devices\n");
377 return ret;
378 }
379
380 return 0;
381}
382
383static int __maybe_unused mt6360_pmu_suspend(struct device *dev)
384{
385 struct i2c_client *i2c = to_i2c_client(dev);
386
387 if (device_may_wakeup(dev))
388 enable_irq_wake(i2c->irq);
389
390 return 0;
391}
392
393static int __maybe_unused mt6360_pmu_resume(struct device *dev)
394{
395
396 struct i2c_client *i2c = to_i2c_client(dev);
397
398 if (device_may_wakeup(dev))
399 disable_irq_wake(i2c->irq);
400
401 return 0;
402}
403
404static SIMPLE_DEV_PM_OPS(mt6360_pmu_pm_ops,
405 mt6360_pmu_suspend, mt6360_pmu_resume);
406
407static const struct of_device_id __maybe_unused mt6360_pmu_of_id[] = {
408 { .compatible = "mediatek,mt6360_pmu", },
409 {},
410};
411MODULE_DEVICE_TABLE(of, mt6360_pmu_of_id);
412
413static struct i2c_driver mt6360_pmu_driver = {
414 .driver = {
415 .name = "mt6360_pmu",
416 .pm = &mt6360_pmu_pm_ops,
417 .of_match_table = of_match_ptr(mt6360_pmu_of_id),
418 },
419 .probe_new = mt6360_pmu_probe,
420};
421module_i2c_driver(mt6360_pmu_driver);
422
423MODULE_AUTHOR("Gene Chen <gene_chen@richtek.com>");
424MODULE_DESCRIPTION("MT6360 PMU I2C Driver");
425MODULE_LICENSE("GPL v2");