drivers/mfd/arizona-core.c

38 	int ret = 0;
47 			ret = pm_runtime_resume_and_get(arizona->dev);
48 			if (ret != 0)
50 			ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]);
51 			if (ret != 0) {
57 			ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK2]);
58 			if (ret != 0)
63 		ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
69 	if (ret != 0)
74 	return ret;
120 	int ret;
122 	ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
124 	if (ret != 0) {
126 			ret);
160 	int ret;
162 	ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
164 	if (ret != 0) {
166 			ret);
252 	int ret;
255 		ret = regmap_read(arizona->regmap, reg, &val);
261 	if (ret) {
263 			reg, ret);
264 		return ret;
273 	int ret;
280 	ret = arizona_poll_reg(arizona, 30, ARIZONA_INTERRUPT_RAW_STATUS_5,
283 	if (!ret)
289 	return ret;
324 	int ret, err;
327 	ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
328 	if (ret) {
330 			ret);
331 		return ret;
333 	ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
335 	if (ret) {
337 			ret);
338 		return ret;
342 	ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
344 	if (ret) {
347 			ret);
348 		return ret;
350 	ret = arizona_poll_reg(arizona, 180, ARIZONA_INTERRUPT_RAW_STATUS_5,
353 	if (ret)
356 	ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
357 	if (ret) {
358 		dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
370 	return ret;
376 	int ret;
378 	ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
380 	if (ret) {
382 			"Failed to re-apply old SYSCLK settings: %d\n", ret);
383 		return ret;
386 	ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
387 	if (ret) {
389 			"Failed to re-apply old FLL settings: %d\n", ret);
390 		return ret;
399 	int err, ret;
401 	ret = arizona_enable_freerun_sysclk(arizona, &state);
402 	if (ret)
403 		return ret;
406 	ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
408 	if (ret) {
410 			ret);
414 	ret = arizona_poll_reg(arizona, 30, ARIZONA_WRITE_SEQUENCER_CTRL_1,
416 	if (ret)
423 	return ret ?: err;
440 	int err, ret;
442 	ret = arizona_enable_freerun_sysclk(arizona, &state);
443 	if (ret)
444 		return ret;
446 	ret = regmap_multi_reg_write_bypassed(arizona->regmap,
452 	return ret ?: err;
457 	int ret;
459 	ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
461 	if (ret) {
463 			"Failed to clear write sequencer state: %d\n", ret);
464 		return ret;
472 	ret = regulator_enable(arizona->dcvdd);
473 	if (ret) {
474 		dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
475 		return ret;
484 	int ret;
486 	ret = regmap_update_bits(arizona->regmap,
490 	if (ret != 0)
491 		dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n", ret);
493 	return ret;
498 	int ret;
500 	ret = regmap_update_bits(arizona->regmap,
503 	if (ret != 0)
504 		dev_err(arizona->dev, "Failed to connect DCVDD: %d\n", ret);
506 	return ret;
512 	int ret;
514 	ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
515 	if (ret) {
517 			"Failed to check jack det status: %d\n", ret);
518 		return ret;
529 	int ret;
536 		ret = regulator_bulk_enable(arizona->num_core_supplies,
538 		if (ret) {
540 				ret);
541 			return ret;
545 	ret = regulator_enable(arizona->dcvdd);
546 	if (ret != 0) {
547 		dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
551 		return ret;
565 			ret = arizona_connect_dcvdd(arizona);
566 			if (ret != 0)
570 		ret = wm5102_patch(arizona);
571 		if (ret != 0) {
573 				ret);
577 		ret = wm5102_apply_hardware_patch(arizona);
578 		if (ret) {
581 				ret);
587 		ret = arizona_wait_for_boot(arizona);
588 		if (ret)
592 			ret = arizona_connect_dcvdd(arizona);
593 			if (ret != 0)
601 			ret = regulator_set_voltage(arizona->dcvdd,
603 			if (ret < 0) {
606 					ret);
611 		ret = wm5110_apply_sleep_patch(arizona);
612 		if (ret) {
615 				ret);
621 		ret = arizona_wait_for_boot(arizona);
622 		if (ret != 0)
626 		ret = arizona_wait_for_boot(arizona);
627 		if (ret != 0)
631 			ret = arizona_connect_dcvdd(arizona);
632 			if (ret != 0)
638 	ret = regcache_sync(arizona->regmap);
639 	if (ret != 0) {
649 	return ret;
656 	int ret;
668 			ret = arizona_isolate_dcvdd(arizona);
669 			if (ret != 0)
670 				return ret;
677 			ret = regulator_set_voltage(arizona->dcvdd,
679 			if (ret < 0) {
682 					ret);
683 				return ret;
693 			ret = arizona_isolate_dcvdd(arizona);
694 			if (ret != 0)
695 				return ret;
699 			ret = regmap_write(arizona->regmap,
701 			if (ret) {
704 					ret);
705 				return ret;
718 			ret = arizona_isolate_dcvdd(arizona);
719 			if (ret != 0)
720 				return ret;
797 	int ret, i;
802 		ret = PTR_ERR(pdata->reset);
809 		if (ret == -EPROBE_DEFER)
810 			return ret;
811 		else if (ret != -ENOENT && ret != -ENOSYS)
813 				ret);
818 	ret = of_property_read_u32_array(arizona->dev->of_node,
822 	if (ret >= 0) {
837 			ret);
942 	int n_subdevs = 0, ret, i;
951 		ret = arizona_of_get_core_pdata(arizona);
952 		if (ret < 0)
953 			return ret;
996 		ret = mfd_add_devices(arizona->dev, -1, early_devs,
998 		if (ret != 0) {
999 			dev_err(dev, "Failed to add early children: %d\n", ret);
1000 			return ret;
1005 	ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
1007 	if (ret != 0) {
1009 			ret);
1021 		ret = PTR_ERR(arizona->dcvdd);
1022 		dev_err(dev, "Failed to request DCVDD: %d\n", ret);
1031 			ret = PTR_ERR(arizona->pdata.reset);
1032 			if (ret == -EPROBE_DEFER)
1036 				"Reset GPIO missing/malformed: %d\n", ret);
1042 	ret = regulator_bulk_enable(arizona->num_core_supplies,
1044 	if (ret != 0) {
1046 			ret);
1050 	ret = regulator_enable(arizona->dcvdd);
1051 	if (ret != 0) {
1052 		dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
1061 	ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1062 	if (ret != 0) {
1063 		dev_err(dev, "Failed to read ID register: %d\n", ret);
1076 		ret = -ENODEV;
1082 		ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
1083 		if (ret != 0) {
1084 			dev_err(dev, "Failed to reset device: %d\n", ret);
1094 		ret = regmap_read(arizona->regmap,
1096 		if (ret) {
1099 				ret);
1101 			ret = wm5102_clear_write_sequencer(arizona);
1102 			if (ret)
1103 				return ret;
1110 	ret = arizona_wait_for_boot(arizona);
1111 	if (ret) {
1112 		dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
1117 	ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
1118 	if (ret != 0) {
1119 		dev_err(dev, "Failed to read ID register: %d\n", ret);
1123 	ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
1125 	if (ret != 0) {
1126 		dev_err(dev, "Failed to read revision register: %d\n", ret);
1236 		ret = -ENODEV;
1243 		ret = -ENODEV;
1250 		ret = apply_patch(arizona);
1251 		if (ret != 0) {
1253 				ret);
1259 			ret = wm5102_apply_hardware_patch(arizona);
1260 			if (ret) {
1263 					ret);
1269 			ret = wm5110_apply_sleep_patch(arizona);
1270 			if (ret) {
1273 					ret);
1309 		ret = -EINVAL;
1351 	ret = arizona_irq_init(arizona);
1352 	if (ret != 0)
1365 	ret = mfd_add_devices(arizona->dev, PLATFORM_DEVID_NONE,
1368 	if (ret) {
1369 		dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
1398 	return ret;