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2945fbc2 GG |
1 | /* |
2 | * TI Palmas MFD Driver | |
3 | * | |
4 | * Copyright 2011-2012 Texas Instruments Inc. | |
5 | * | |
6 | * Author: Graeme Gregory <gg@slimlogic.co.uk> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | */ | |
14 | ||
15 | #include <linux/module.h> | |
16 | #include <linux/moduleparam.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/slab.h> | |
19 | #include <linux/i2c.h> | |
20 | #include <linux/interrupt.h> | |
21 | #include <linux/irq.h> | |
22 | #include <linux/regmap.h> | |
23 | #include <linux/err.h> | |
24 | #include <linux/mfd/core.h> | |
25 | #include <linux/mfd/palmas.h> | |
9c14ac33 | 26 | #include <linux/of_platform.h> |
2945fbc2 | 27 | |
2945fbc2 GG |
28 | enum palmas_ids { |
29 | PALMAS_PMIC_ID, | |
30 | PALMAS_GPIO_ID, | |
31 | PALMAS_LEDS_ID, | |
32 | PALMAS_WDT_ID, | |
33 | PALMAS_RTC_ID, | |
34 | PALMAS_PWRBUTTON_ID, | |
35 | PALMAS_GPADC_ID, | |
36 | PALMAS_RESOURCE_ID, | |
37 | PALMAS_CLK_ID, | |
38 | PALMAS_PWM_ID, | |
39 | PALMAS_USB_ID, | |
40 | }; | |
41 | ||
42 | static const struct mfd_cell palmas_children[] = { | |
43 | { | |
44 | .name = "palmas-pmic", | |
45 | .id = PALMAS_PMIC_ID, | |
46 | }, | |
47 | { | |
48 | .name = "palmas-gpio", | |
49 | .id = PALMAS_GPIO_ID, | |
50 | }, | |
51 | { | |
52 | .name = "palmas-leds", | |
53 | .id = PALMAS_LEDS_ID, | |
54 | }, | |
55 | { | |
56 | .name = "palmas-wdt", | |
57 | .id = PALMAS_WDT_ID, | |
58 | }, | |
59 | { | |
60 | .name = "palmas-rtc", | |
2945fbc2 GG |
61 | .id = PALMAS_RTC_ID, |
62 | }, | |
63 | { | |
64 | .name = "palmas-pwrbutton", | |
2945fbc2 GG |
65 | .id = PALMAS_PWRBUTTON_ID, |
66 | }, | |
67 | { | |
68 | .name = "palmas-gpadc", | |
2945fbc2 GG |
69 | .id = PALMAS_GPADC_ID, |
70 | }, | |
71 | { | |
72 | .name = "palmas-resource", | |
73 | .id = PALMAS_RESOURCE_ID, | |
74 | }, | |
75 | { | |
76 | .name = "palmas-clk", | |
77 | .id = PALMAS_CLK_ID, | |
78 | }, | |
79 | { | |
80 | .name = "palmas-pwm", | |
81 | .id = PALMAS_PWM_ID, | |
82 | }, | |
83 | { | |
84 | .name = "palmas-usb", | |
2945fbc2 GG |
85 | .id = PALMAS_USB_ID, |
86 | } | |
87 | }; | |
88 | ||
89 | static const struct regmap_config palmas_regmap_config[PALMAS_NUM_CLIENTS] = { | |
90 | { | |
91 | .reg_bits = 8, | |
92 | .val_bits = 8, | |
93 | .max_register = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE, | |
94 | PALMAS_PRIMARY_SECONDARY_PAD3), | |
95 | }, | |
96 | { | |
97 | .reg_bits = 8, | |
98 | .val_bits = 8, | |
99 | .max_register = PALMAS_BASE_TO_REG(PALMAS_GPADC_BASE, | |
100 | PALMAS_GPADC_SMPS_VSEL_MONITORING), | |
101 | }, | |
102 | { | |
103 | .reg_bits = 8, | |
104 | .val_bits = 8, | |
105 | .max_register = PALMAS_BASE_TO_REG(PALMAS_TRIM_GPADC_BASE, | |
106 | PALMAS_GPADC_TRIM16), | |
107 | }, | |
108 | }; | |
109 | ||
110 | static const struct regmap_irq palmas_irqs[] = { | |
111 | /* INT1 IRQs */ | |
112 | [PALMAS_CHARG_DET_N_VBUS_OVV_IRQ] = { | |
113 | .mask = PALMAS_INT1_STATUS_CHARG_DET_N_VBUS_OVV, | |
114 | }, | |
115 | [PALMAS_PWRON_IRQ] = { | |
116 | .mask = PALMAS_INT1_STATUS_PWRON, | |
117 | }, | |
118 | [PALMAS_LONG_PRESS_KEY_IRQ] = { | |
119 | .mask = PALMAS_INT1_STATUS_LONG_PRESS_KEY, | |
120 | }, | |
121 | [PALMAS_RPWRON_IRQ] = { | |
122 | .mask = PALMAS_INT1_STATUS_RPWRON, | |
123 | }, | |
124 | [PALMAS_PWRDOWN_IRQ] = { | |
125 | .mask = PALMAS_INT1_STATUS_PWRDOWN, | |
126 | }, | |
127 | [PALMAS_HOTDIE_IRQ] = { | |
128 | .mask = PALMAS_INT1_STATUS_HOTDIE, | |
129 | }, | |
130 | [PALMAS_VSYS_MON_IRQ] = { | |
131 | .mask = PALMAS_INT1_STATUS_VSYS_MON, | |
132 | }, | |
133 | [PALMAS_VBAT_MON_IRQ] = { | |
134 | .mask = PALMAS_INT1_STATUS_VBAT_MON, | |
135 | }, | |
136 | /* INT2 IRQs*/ | |
137 | [PALMAS_RTC_ALARM_IRQ] = { | |
138 | .mask = PALMAS_INT2_STATUS_RTC_ALARM, | |
139 | .reg_offset = 1, | |
140 | }, | |
141 | [PALMAS_RTC_TIMER_IRQ] = { | |
142 | .mask = PALMAS_INT2_STATUS_RTC_TIMER, | |
143 | .reg_offset = 1, | |
144 | }, | |
145 | [PALMAS_WDT_IRQ] = { | |
146 | .mask = PALMAS_INT2_STATUS_WDT, | |
147 | .reg_offset = 1, | |
148 | }, | |
149 | [PALMAS_BATREMOVAL_IRQ] = { | |
150 | .mask = PALMAS_INT2_STATUS_BATREMOVAL, | |
151 | .reg_offset = 1, | |
152 | }, | |
153 | [PALMAS_RESET_IN_IRQ] = { | |
154 | .mask = PALMAS_INT2_STATUS_RESET_IN, | |
155 | .reg_offset = 1, | |
156 | }, | |
157 | [PALMAS_FBI_BB_IRQ] = { | |
158 | .mask = PALMAS_INT2_STATUS_FBI_BB, | |
159 | .reg_offset = 1, | |
160 | }, | |
161 | [PALMAS_SHORT_IRQ] = { | |
162 | .mask = PALMAS_INT2_STATUS_SHORT, | |
163 | .reg_offset = 1, | |
164 | }, | |
165 | [PALMAS_VAC_ACOK_IRQ] = { | |
166 | .mask = PALMAS_INT2_STATUS_VAC_ACOK, | |
167 | .reg_offset = 1, | |
168 | }, | |
169 | /* INT3 IRQs */ | |
170 | [PALMAS_GPADC_AUTO_0_IRQ] = { | |
171 | .mask = PALMAS_INT3_STATUS_GPADC_AUTO_0, | |
172 | .reg_offset = 2, | |
173 | }, | |
174 | [PALMAS_GPADC_AUTO_1_IRQ] = { | |
175 | .mask = PALMAS_INT3_STATUS_GPADC_AUTO_1, | |
176 | .reg_offset = 2, | |
177 | }, | |
178 | [PALMAS_GPADC_EOC_SW_IRQ] = { | |
179 | .mask = PALMAS_INT3_STATUS_GPADC_EOC_SW, | |
180 | .reg_offset = 2, | |
181 | }, | |
182 | [PALMAS_GPADC_EOC_RT_IRQ] = { | |
183 | .mask = PALMAS_INT3_STATUS_GPADC_EOC_RT, | |
184 | .reg_offset = 2, | |
185 | }, | |
186 | [PALMAS_ID_OTG_IRQ] = { | |
187 | .mask = PALMAS_INT3_STATUS_ID_OTG, | |
188 | .reg_offset = 2, | |
189 | }, | |
190 | [PALMAS_ID_IRQ] = { | |
191 | .mask = PALMAS_INT3_STATUS_ID, | |
192 | .reg_offset = 2, | |
193 | }, | |
194 | [PALMAS_VBUS_OTG_IRQ] = { | |
195 | .mask = PALMAS_INT3_STATUS_VBUS_OTG, | |
196 | .reg_offset = 2, | |
197 | }, | |
198 | [PALMAS_VBUS_IRQ] = { | |
199 | .mask = PALMAS_INT3_STATUS_VBUS, | |
200 | .reg_offset = 2, | |
201 | }, | |
202 | /* INT4 IRQs */ | |
203 | [PALMAS_GPIO_0_IRQ] = { | |
204 | .mask = PALMAS_INT4_STATUS_GPIO_0, | |
205 | .reg_offset = 3, | |
206 | }, | |
207 | [PALMAS_GPIO_1_IRQ] = { | |
208 | .mask = PALMAS_INT4_STATUS_GPIO_1, | |
209 | .reg_offset = 3, | |
210 | }, | |
211 | [PALMAS_GPIO_2_IRQ] = { | |
212 | .mask = PALMAS_INT4_STATUS_GPIO_2, | |
213 | .reg_offset = 3, | |
214 | }, | |
215 | [PALMAS_GPIO_3_IRQ] = { | |
216 | .mask = PALMAS_INT4_STATUS_GPIO_3, | |
217 | .reg_offset = 3, | |
218 | }, | |
219 | [PALMAS_GPIO_4_IRQ] = { | |
220 | .mask = PALMAS_INT4_STATUS_GPIO_4, | |
221 | .reg_offset = 3, | |
222 | }, | |
223 | [PALMAS_GPIO_5_IRQ] = { | |
224 | .mask = PALMAS_INT4_STATUS_GPIO_5, | |
225 | .reg_offset = 3, | |
226 | }, | |
227 | [PALMAS_GPIO_6_IRQ] = { | |
228 | .mask = PALMAS_INT4_STATUS_GPIO_6, | |
229 | .reg_offset = 3, | |
230 | }, | |
231 | [PALMAS_GPIO_7_IRQ] = { | |
232 | .mask = PALMAS_INT4_STATUS_GPIO_7, | |
233 | .reg_offset = 3, | |
234 | }, | |
235 | }; | |
236 | ||
237 | static struct regmap_irq_chip palmas_irq_chip = { | |
238 | .name = "palmas", | |
239 | .irqs = palmas_irqs, | |
240 | .num_irqs = ARRAY_SIZE(palmas_irqs), | |
241 | ||
242 | .num_regs = 4, | |
243 | .irq_reg_stride = 5, | |
244 | .status_base = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE, | |
245 | PALMAS_INT1_STATUS), | |
246 | .mask_base = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE, | |
247 | PALMAS_INT1_MASK), | |
248 | }; | |
249 | ||
f791be49 | 250 | static void palmas_dt_to_pdata(struct device_node *node, |
9c14ac33 GG |
251 | struct palmas_platform_data *pdata) |
252 | { | |
253 | int ret; | |
254 | u32 prop; | |
255 | ||
256 | ret = of_property_read_u32(node, "ti,mux_pad1", &prop); | |
257 | if (!ret) { | |
258 | pdata->mux_from_pdata = 1; | |
259 | pdata->pad1 = prop; | |
260 | } | |
261 | ||
262 | ret = of_property_read_u32(node, "ti,mux_pad2", &prop); | |
263 | if (!ret) { | |
264 | pdata->mux_from_pdata = 1; | |
265 | pdata->pad2 = prop; | |
266 | } | |
267 | ||
268 | /* The default for this register is all masked */ | |
269 | ret = of_property_read_u32(node, "ti,power_ctrl", &prop); | |
270 | if (!ret) | |
271 | pdata->power_ctrl = prop; | |
272 | else | |
273 | pdata->power_ctrl = PALMAS_POWER_CTRL_NSLEEP_MASK | | |
274 | PALMAS_POWER_CTRL_ENABLE1_MASK | | |
275 | PALMAS_POWER_CTRL_ENABLE2_MASK; | |
276 | } | |
277 | ||
f791be49 | 278 | static int palmas_i2c_probe(struct i2c_client *i2c, |
2945fbc2 GG |
279 | const struct i2c_device_id *id) |
280 | { | |
281 | struct palmas *palmas; | |
282 | struct palmas_platform_data *pdata; | |
9c14ac33 | 283 | struct device_node *node = i2c->dev.of_node; |
2945fbc2 GG |
284 | int ret = 0, i; |
285 | unsigned int reg, addr; | |
286 | int slave; | |
287 | struct mfd_cell *children; | |
288 | ||
289 | pdata = dev_get_platdata(&i2c->dev); | |
9c14ac33 GG |
290 | |
291 | if (node && !pdata) { | |
292 | pdata = devm_kzalloc(&i2c->dev, sizeof(*pdata), GFP_KERNEL); | |
293 | ||
294 | if (!pdata) | |
295 | return -ENOMEM; | |
296 | ||
297 | palmas_dt_to_pdata(node, pdata); | |
298 | } | |
299 | ||
2945fbc2 GG |
300 | if (!pdata) |
301 | return -EINVAL; | |
302 | ||
303 | palmas = devm_kzalloc(&i2c->dev, sizeof(struct palmas), GFP_KERNEL); | |
304 | if (palmas == NULL) | |
305 | return -ENOMEM; | |
306 | ||
307 | i2c_set_clientdata(i2c, palmas); | |
308 | palmas->dev = &i2c->dev; | |
309 | palmas->id = id->driver_data; | |
310 | palmas->irq = i2c->irq; | |
311 | ||
312 | for (i = 0; i < PALMAS_NUM_CLIENTS; i++) { | |
313 | if (i == 0) | |
314 | palmas->i2c_clients[i] = i2c; | |
315 | else { | |
316 | palmas->i2c_clients[i] = | |
317 | i2c_new_dummy(i2c->adapter, | |
318 | i2c->addr + i); | |
319 | if (!palmas->i2c_clients[i]) { | |
320 | dev_err(palmas->dev, | |
321 | "can't attach client %d\n", i); | |
322 | ret = -ENOMEM; | |
323 | goto err; | |
324 | } | |
325 | } | |
326 | palmas->regmap[i] = devm_regmap_init_i2c(palmas->i2c_clients[i], | |
327 | &palmas_regmap_config[i]); | |
328 | if (IS_ERR(palmas->regmap[i])) { | |
329 | ret = PTR_ERR(palmas->regmap[i]); | |
330 | dev_err(palmas->dev, | |
331 | "Failed to allocate regmap %d, err: %d\n", | |
332 | i, ret); | |
333 | goto err; | |
334 | } | |
335 | } | |
336 | ||
b330f85d GG |
337 | /* Change IRQ into clear on read mode for efficiency */ |
338 | slave = PALMAS_BASE_TO_SLAVE(PALMAS_INTERRUPT_BASE); | |
339 | addr = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE, PALMAS_INT_CTRL); | |
340 | reg = PALMAS_INT_CTRL_INT_CLEAR; | |
341 | ||
342 | regmap_write(palmas->regmap[slave], addr, reg); | |
343 | ||
344 | ret = regmap_add_irq_chip(palmas->regmap[slave], palmas->irq, | |
8664fade | 345 | IRQF_ONESHOT | IRQF_TRIGGER_LOW, 0, &palmas_irq_chip, |
2945fbc2 GG |
346 | &palmas->irq_data); |
347 | if (ret < 0) | |
348 | goto err; | |
349 | ||
350 | slave = PALMAS_BASE_TO_SLAVE(PALMAS_PU_PD_OD_BASE); | |
351 | addr = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE, | |
352 | PALMAS_PRIMARY_SECONDARY_PAD1); | |
353 | ||
354 | if (pdata->mux_from_pdata) { | |
355 | reg = pdata->pad1; | |
356 | ret = regmap_write(palmas->regmap[slave], addr, reg); | |
357 | if (ret) | |
3f78decc | 358 | goto err_irq; |
2945fbc2 GG |
359 | } else { |
360 | ret = regmap_read(palmas->regmap[slave], addr, ®); | |
361 | if (ret) | |
3f78decc | 362 | goto err_irq; |
2945fbc2 GG |
363 | } |
364 | ||
365 | if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_0)) | |
366 | palmas->gpio_muxed |= PALMAS_GPIO_0_MUXED; | |
367 | if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK)) | |
368 | palmas->gpio_muxed |= PALMAS_GPIO_1_MUXED; | |
369 | else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK) == | |
370 | (2 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT)) | |
371 | palmas->led_muxed |= PALMAS_LED1_MUXED; | |
372 | else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK) == | |
373 | (3 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT)) | |
374 | palmas->pwm_muxed |= PALMAS_PWM1_MUXED; | |
375 | if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_MASK)) | |
376 | palmas->gpio_muxed |= PALMAS_GPIO_2_MUXED; | |
377 | else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_MASK) == | |
378 | (2 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_SHIFT)) | |
379 | palmas->led_muxed |= PALMAS_LED2_MUXED; | |
380 | else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_MASK) == | |
381 | (3 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_SHIFT)) | |
382 | palmas->pwm_muxed |= PALMAS_PWM2_MUXED; | |
383 | if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_3)) | |
384 | palmas->gpio_muxed |= PALMAS_GPIO_3_MUXED; | |
385 | ||
386 | addr = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE, | |
387 | PALMAS_PRIMARY_SECONDARY_PAD2); | |
388 | ||
389 | if (pdata->mux_from_pdata) { | |
390 | reg = pdata->pad2; | |
391 | ret = regmap_write(palmas->regmap[slave], addr, reg); | |
392 | if (ret) | |
3f78decc | 393 | goto err_irq; |
2945fbc2 GG |
394 | } else { |
395 | ret = regmap_read(palmas->regmap[slave], addr, ®); | |
396 | if (ret) | |
3f78decc | 397 | goto err_irq; |
2945fbc2 GG |
398 | } |
399 | ||
400 | if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_4)) | |
401 | palmas->gpio_muxed |= PALMAS_GPIO_4_MUXED; | |
402 | if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_5_MASK)) | |
403 | palmas->gpio_muxed |= PALMAS_GPIO_5_MUXED; | |
404 | if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_6)) | |
405 | palmas->gpio_muxed |= PALMAS_GPIO_6_MUXED; | |
406 | if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD2_GPIO_7_MASK)) | |
407 | palmas->gpio_muxed |= PALMAS_GPIO_7_MUXED; | |
408 | ||
409 | dev_info(palmas->dev, "Muxing GPIO %x, PWM %x, LED %x\n", | |
410 | palmas->gpio_muxed, palmas->pwm_muxed, | |
411 | palmas->led_muxed); | |
412 | ||
413 | reg = pdata->power_ctrl; | |
414 | ||
415 | slave = PALMAS_BASE_TO_SLAVE(PALMAS_PMU_CONTROL_BASE); | |
416 | addr = PALMAS_BASE_TO_REG(PALMAS_PMU_CONTROL_BASE, PALMAS_POWER_CTRL); | |
417 | ||
418 | ret = regmap_write(palmas->regmap[slave], addr, reg); | |
419 | if (ret) | |
3f78decc | 420 | goto err_irq; |
2945fbc2 | 421 | |
9c14ac33 GG |
422 | /* |
423 | * If we are probing with DT do this the DT way and return here | |
424 | * otherwise continue and add devices using mfd helpers. | |
425 | */ | |
426 | if (node) { | |
427 | ret = of_platform_populate(node, NULL, NULL, &i2c->dev); | |
428 | if (ret < 0) | |
429 | goto err_irq; | |
430 | else | |
431 | return ret; | |
432 | } | |
433 | ||
2945fbc2 GG |
434 | children = kmemdup(palmas_children, sizeof(palmas_children), |
435 | GFP_KERNEL); | |
436 | if (!children) { | |
437 | ret = -ENOMEM; | |
3f78decc | 438 | goto err_irq; |
2945fbc2 GG |
439 | } |
440 | ||
adc20e02 GG |
441 | children[PALMAS_PMIC_ID].platform_data = pdata->pmic_pdata; |
442 | children[PALMAS_PMIC_ID].pdata_size = sizeof(*pdata->pmic_pdata); | |
443 | ||
190ef1a6 GG |
444 | children[PALMAS_GPADC_ID].platform_data = pdata->gpadc_pdata; |
445 | children[PALMAS_GPADC_ID].pdata_size = sizeof(*pdata->gpadc_pdata); | |
446 | ||
447 | children[PALMAS_RESOURCE_ID].platform_data = pdata->resource_pdata; | |
448 | children[PALMAS_RESOURCE_ID].pdata_size = | |
449 | sizeof(*pdata->resource_pdata); | |
450 | ||
451 | children[PALMAS_USB_ID].platform_data = pdata->usb_pdata; | |
452 | children[PALMAS_USB_ID].pdata_size = sizeof(*pdata->usb_pdata); | |
453 | ||
454 | children[PALMAS_CLK_ID].platform_data = pdata->clk_pdata; | |
455 | children[PALMAS_CLK_ID].pdata_size = sizeof(*pdata->clk_pdata); | |
456 | ||
2945fbc2 GG |
457 | ret = mfd_add_devices(palmas->dev, -1, |
458 | children, ARRAY_SIZE(palmas_children), | |
55692af5 MB |
459 | NULL, regmap_irq_chip_get_base(palmas->irq_data), |
460 | NULL); | |
2945fbc2 GG |
461 | kfree(children); |
462 | ||
463 | if (ret < 0) | |
3f78decc | 464 | goto err_devices; |
2945fbc2 GG |
465 | |
466 | return ret; | |
467 | ||
3f78decc | 468 | err_devices: |
2945fbc2 | 469 | mfd_remove_devices(palmas->dev); |
3f78decc GG |
470 | err_irq: |
471 | regmap_del_irq_chip(palmas->irq, palmas->irq_data); | |
472 | err: | |
2945fbc2 GG |
473 | return ret; |
474 | } | |
475 | ||
476 | static int palmas_i2c_remove(struct i2c_client *i2c) | |
477 | { | |
478 | struct palmas *palmas = i2c_get_clientdata(i2c); | |
479 | ||
480 | mfd_remove_devices(palmas->dev); | |
481 | regmap_del_irq_chip(palmas->irq, palmas->irq_data); | |
482 | ||
483 | return 0; | |
484 | } | |
485 | ||
486 | static const struct i2c_device_id palmas_i2c_id[] = { | |
487 | { "palmas", }, | |
488 | { "twl6035", }, | |
489 | { "twl6037", }, | |
490 | { "tps65913", }, | |
00ba81c1 | 491 | { /* end */ } |
2945fbc2 GG |
492 | }; |
493 | MODULE_DEVICE_TABLE(i2c, palmas_i2c_id); | |
494 | ||
a9e9ce4c | 495 | static struct of_device_id of_palmas_match_tbl[] = { |
2945fbc2 GG |
496 | { .compatible = "ti,palmas", }, |
497 | { /* end */ } | |
498 | }; | |
499 | ||
500 | static struct i2c_driver palmas_i2c_driver = { | |
501 | .driver = { | |
502 | .name = "palmas", | |
503 | .of_match_table = of_palmas_match_tbl, | |
504 | .owner = THIS_MODULE, | |
505 | }, | |
506 | .probe = palmas_i2c_probe, | |
507 | .remove = palmas_i2c_remove, | |
508 | .id_table = palmas_i2c_id, | |
509 | }; | |
510 | ||
511 | static int __init palmas_i2c_init(void) | |
512 | { | |
513 | return i2c_add_driver(&palmas_i2c_driver); | |
514 | } | |
515 | /* init early so consumer devices can complete system boot */ | |
516 | subsys_initcall(palmas_i2c_init); | |
517 | ||
518 | static void __exit palmas_i2c_exit(void) | |
519 | { | |
520 | i2c_del_driver(&palmas_i2c_driver); | |
521 | } | |
522 | module_exit(palmas_i2c_exit); | |
523 | ||
524 | MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>"); | |
525 | MODULE_DESCRIPTION("Palmas chip family multi-function driver"); | |
526 | MODULE_LICENSE("GPL"); |