forked from Minki/linux
e6b5be2be4
Here's the set of driver core patches for 3.19-rc1. They are dominated by the removal of the .owner field in platform drivers. They touch a lot of files, but they are "simple" changes, just removing a line in a structure. Other than that, a few minor driver core and debugfs changes. There are some ath9k patches coming in through this tree that have been acked by the wireless maintainers as they relied on the debugfs changes. Everything has been in linux-next for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlSOD20ACgkQMUfUDdst+ylLPACg2QrW1oHhdTMT9WI8jihlHVRM 53kAoLeteByQ3iVwWurwwseRPiWa8+MI =OVRS -----END PGP SIGNATURE----- Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core update from Greg KH: "Here's the set of driver core patches for 3.19-rc1. They are dominated by the removal of the .owner field in platform drivers. They touch a lot of files, but they are "simple" changes, just removing a line in a structure. Other than that, a few minor driver core and debugfs changes. There are some ath9k patches coming in through this tree that have been acked by the wireless maintainers as they relied on the debugfs changes. Everything has been in linux-next for a while" * tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits) Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries" fs: debugfs: add forward declaration for struct device type firmware class: Deletion of an unnecessary check before the function call "vunmap" firmware loader: fix hung task warning dump devcoredump: provide a one-way disable function device: Add dev_<level>_once variants ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries ath: use seq_file api for ath9k debugfs files debugfs: add helper function to create device related seq_file drivers/base: cacheinfo: remove noisy error boot message Revert "core: platform: add warning if driver has no owner" drivers: base: support cpu cache information interface to userspace via sysfs drivers: base: add cpu_device_create to support per-cpu devices topology: replace custom attribute macros with standard DEVICE_ATTR* cpumask: factor out show_cpumap into separate helper function driver core: Fix unbalanced device reference in drivers_probe driver core: fix race with userland in device_add() sysfs/kernfs: make read requests on pre-alloc files use the buffer. sysfs/kernfs: allow attributes to request write buffer be pre-allocated. fs: sysfs: return EGBIG on write if offset is larger than file size ...
443 lines
14 KiB
C
443 lines
14 KiB
C
/*
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* Regulators driver for Marvell 88PM8607
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*
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* Copyright (C) 2009 Marvell International Ltd.
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* Haojian Zhuang <haojian.zhuang@marvell.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/i2c.h>
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#include <linux/of.h>
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#include <linux/regulator/of_regulator.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/mfd/88pm860x.h>
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#include <linux/module.h>
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struct pm8607_regulator_info {
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struct regulator_desc desc;
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struct pm860x_chip *chip;
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struct regulator_dev *regulator;
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struct i2c_client *i2c;
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struct i2c_client *i2c_8606;
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unsigned int *vol_table;
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unsigned int *vol_suspend;
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int slope_double;
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};
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static const unsigned int BUCK1_table[] = {
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725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
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925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
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1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
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1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
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0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
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200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
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400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
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600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
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};
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static const unsigned int BUCK1_suspend_table[] = {
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0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
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200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
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400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
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600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
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800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
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1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
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1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
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1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
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};
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static const unsigned int BUCK2_table[] = {
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0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
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400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
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800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
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1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
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1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
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2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
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2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
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2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
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};
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static const unsigned int BUCK2_suspend_table[] = {
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0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
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400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
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800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
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1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
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1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
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2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
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2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
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2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
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};
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static const unsigned int BUCK3_table[] = {
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0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
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200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
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400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
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600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
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800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
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1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
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1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
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1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
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};
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static const unsigned int BUCK3_suspend_table[] = {
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0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
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200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
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400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
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600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
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800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
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1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
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1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
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1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
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};
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static const unsigned int LDO1_table[] = {
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1800000, 1200000, 2800000, 0,
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};
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static const unsigned int LDO1_suspend_table[] = {
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1800000, 1200000, 0, 0,
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};
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static const unsigned int LDO2_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
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};
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static const unsigned int LDO2_suspend_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
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};
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static const unsigned int LDO3_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
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};
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static const unsigned int LDO3_suspend_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
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};
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static const unsigned int LDO4_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
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};
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static const unsigned int LDO4_suspend_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
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};
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static const unsigned int LDO5_table[] = {
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2900000, 3000000, 3100000, 3300000,
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};
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static const unsigned int LDO5_suspend_table[] = {
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2900000, 0, 0, 0,
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};
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static const unsigned int LDO6_table[] = {
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1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
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};
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static const unsigned int LDO6_suspend_table[] = {
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1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
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};
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static const unsigned int LDO7_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
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};
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static const unsigned int LDO7_suspend_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
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};
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static const unsigned int LDO8_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
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};
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static const unsigned int LDO8_suspend_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
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};
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static const unsigned int LDO9_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
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};
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static const unsigned int LDO9_suspend_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
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};
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static const unsigned int LDO10_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
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1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
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};
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static const unsigned int LDO10_suspend_table[] = {
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1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
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1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
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};
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static const unsigned int LDO12_table[] = {
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1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
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1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
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};
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static const unsigned int LDO12_suspend_table[] = {
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1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
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1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
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};
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static const unsigned int LDO13_table[] = {
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1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
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};
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static const unsigned int LDO13_suspend_table[] = {
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0,
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};
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static const unsigned int LDO14_table[] = {
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1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
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};
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static const unsigned int LDO14_suspend_table[] = {
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1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
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};
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static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
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{
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struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
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int ret = -EINVAL;
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if (info->vol_table && (index < rdev->desc->n_voltages)) {
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ret = info->vol_table[index];
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if (info->slope_double)
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ret <<= 1;
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}
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return ret;
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}
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static struct regulator_ops pm8607_regulator_ops = {
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.list_voltage = pm8607_list_voltage,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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};
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static struct regulator_ops pm8606_preg_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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};
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#define PM8606_PREG(ereg, ebit) \
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{ \
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.desc = { \
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.name = "PREG", \
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.ops = &pm8606_preg_ops, \
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.type = REGULATOR_CURRENT, \
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.id = PM8606_ID_PREG, \
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.owner = THIS_MODULE, \
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.enable_reg = PM8606_##ereg, \
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.enable_mask = (ebit), \
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.enable_is_inverted = true, \
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}, \
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}
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#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
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{ \
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.desc = { \
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.name = #vreg, \
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.ops = &pm8607_regulator_ops, \
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.type = REGULATOR_VOLTAGE, \
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.id = PM8607_ID_##vreg, \
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.owner = THIS_MODULE, \
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.n_voltages = ARRAY_SIZE(vreg##_table), \
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.vsel_reg = PM8607_##vreg, \
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.vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
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.apply_reg = PM8607_##ureg, \
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.apply_bit = (ubit), \
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.enable_reg = PM8607_##ereg, \
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.enable_mask = 1 << (ebit), \
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}, \
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.slope_double = (0), \
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.vol_table = (unsigned int *)&vreg##_table, \
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.vol_suspend = (unsigned int *)&vreg##_suspend_table, \
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}
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#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
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{ \
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.desc = { \
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.name = "LDO" #_id, \
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.ops = &pm8607_regulator_ops, \
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.type = REGULATOR_VOLTAGE, \
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.id = PM8607_ID_LDO##_id, \
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.owner = THIS_MODULE, \
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.n_voltages = ARRAY_SIZE(LDO##_id##_table), \
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.vsel_reg = PM8607_##vreg, \
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.vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
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.enable_reg = PM8607_##ereg, \
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.enable_mask = 1 << (ebit), \
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}, \
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.slope_double = (0), \
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.vol_table = (unsigned int *)&LDO##_id##_table, \
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.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
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}
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static struct pm8607_regulator_info pm8607_regulator_info[] = {
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PM8607_DVC(BUCK1, GO, BIT(0), SUPPLIES_EN11, 0),
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PM8607_DVC(BUCK2, GO, BIT(1), SUPPLIES_EN11, 1),
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PM8607_DVC(BUCK3, GO, BIT(2), SUPPLIES_EN11, 2),
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PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
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PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
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PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
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PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
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PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
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PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
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PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
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PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
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PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
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PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
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PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
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PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
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PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
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};
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static struct pm8607_regulator_info pm8606_regulator_info[] = {
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PM8606_PREG(PREREGULATORB, 5),
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};
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#ifdef CONFIG_OF
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static int pm8607_regulator_dt_init(struct platform_device *pdev,
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struct pm8607_regulator_info *info,
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struct regulator_config *config)
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{
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struct device_node *nproot, *np;
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nproot = pdev->dev.parent->of_node;
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if (!nproot)
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return -ENODEV;
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nproot = of_get_child_by_name(nproot, "regulators");
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if (!nproot) {
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dev_err(&pdev->dev, "failed to find regulators node\n");
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return -ENODEV;
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}
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for_each_child_of_node(nproot, np) {
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if (!of_node_cmp(np->name, info->desc.name)) {
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config->init_data =
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of_get_regulator_init_data(&pdev->dev, np,
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&info->desc);
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config->of_node = np;
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break;
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}
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}
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of_node_put(nproot);
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return 0;
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}
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#else
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#define pm8607_regulator_dt_init(x, y, z) (-1)
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#endif
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static int pm8607_regulator_probe(struct platform_device *pdev)
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{
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struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
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struct pm8607_regulator_info *info = NULL;
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struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev);
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struct regulator_config config = { };
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struct resource *res;
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int i;
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res = platform_get_resource(pdev, IORESOURCE_REG, 0);
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if (res) {
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/* There're resources in 88PM8607 regulator driver */
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for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
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info = &pm8607_regulator_info[i];
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if (info->desc.vsel_reg == res->start)
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break;
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}
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if (i == ARRAY_SIZE(pm8607_regulator_info)) {
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dev_err(&pdev->dev, "Failed to find regulator %llu\n",
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(unsigned long long)res->start);
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return -EINVAL;
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}
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} else {
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/* There's no resource in 88PM8606 PREG regulator driver */
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info = &pm8606_regulator_info[0];
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/* i is used to check regulator ID */
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i = -1;
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}
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info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
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info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion :
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chip->client;
|
|
info->chip = chip;
|
|
|
|
/* check DVC ramp slope double */
|
|
if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
|
|
info->slope_double = 1;
|
|
|
|
config.dev = &pdev->dev;
|
|
config.driver_data = info;
|
|
|
|
if (pm8607_regulator_dt_init(pdev, info, &config))
|
|
if (pdata)
|
|
config.init_data = pdata;
|
|
|
|
if (chip->id == CHIP_PM8607)
|
|
config.regmap = chip->regmap;
|
|
else
|
|
config.regmap = chip->regmap_companion;
|
|
|
|
info->regulator = devm_regulator_register(&pdev->dev, &info->desc,
|
|
&config);
|
|
if (IS_ERR(info->regulator)) {
|
|
dev_err(&pdev->dev, "failed to register regulator %s\n",
|
|
info->desc.name);
|
|
return PTR_ERR(info->regulator);
|
|
}
|
|
|
|
platform_set_drvdata(pdev, info);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_device_id pm8607_regulator_driver_ids[] = {
|
|
{
|
|
.name = "88pm860x-regulator",
|
|
.driver_data = 0,
|
|
}, {
|
|
.name = "88pm860x-preg",
|
|
.driver_data = 0,
|
|
},
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids);
|
|
|
|
static struct platform_driver pm8607_regulator_driver = {
|
|
.driver = {
|
|
.name = "88pm860x-regulator",
|
|
},
|
|
.probe = pm8607_regulator_probe,
|
|
.id_table = pm8607_regulator_driver_ids,
|
|
};
|
|
|
|
static int __init pm8607_regulator_init(void)
|
|
{
|
|
return platform_driver_register(&pm8607_regulator_driver);
|
|
}
|
|
subsys_initcall(pm8607_regulator_init);
|
|
|
|
static void __exit pm8607_regulator_exit(void)
|
|
{
|
|
platform_driver_unregister(&pm8607_regulator_driver);
|
|
}
|
|
module_exit(pm8607_regulator_exit);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
|
|
MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
|
|
MODULE_ALIAS("platform:88pm8607-regulator");
|