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406 lines
13 KiB
406 lines
13 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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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 <[email protected]> |
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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/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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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; |
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ret = regulator_list_voltage_table(rdev, index); |
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if (ret < 0) |
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return ret; |
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if (info->slope_double) |
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ret <<= 1; |
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return ret; |
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} |
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static const 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 const 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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.of_match = of_match_ptr("PREG"), \ |
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.regulators_node = of_match_ptr("regulators"), \ |
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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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.of_match = of_match_ptr(#vreg), \ |
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.regulators_node = of_match_ptr("regulators"), \ |
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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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.volt_table = vreg##_table, \ |
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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_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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.of_match = of_match_ptr("LDO" #_id), \ |
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.regulators_node = of_match_ptr("regulators"), \ |
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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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.volt_table = LDO##_id##_table, \ |
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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_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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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 regulator_dev *rdev; |
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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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/* check DVC ramp slope double */ |
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if ((i == PM8607_ID_BUCK3) && chip->buck3_double) |
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info->slope_double = 1; |
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config.dev = chip->dev; |
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config.driver_data = info; |
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if (pdata) |
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config.init_data = pdata; |
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if (chip->id == CHIP_PM8607) |
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config.regmap = chip->regmap; |
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else |
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config.regmap = chip->regmap_companion; |
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rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); |
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if (IS_ERR(rdev)) { |
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dev_err(&pdev->dev, "failed to register regulator %s\n", |
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info->desc.name); |
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return PTR_ERR(rdev); |
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} |
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platform_set_drvdata(pdev, info); |
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return 0; |
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} |
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static const struct platform_device_id pm8607_regulator_driver_ids[] = { |
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{ |
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.name = "88pm860x-regulator", |
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.driver_data = 0, |
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}, { |
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.name = "88pm860x-preg", |
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.driver_data = 0, |
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}, |
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{ }, |
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}; |
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MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids); |
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static struct platform_driver pm8607_regulator_driver = { |
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.driver = { |
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.name = "88pm860x-regulator", |
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}, |
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.probe = pm8607_regulator_probe, |
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.id_table = pm8607_regulator_driver_ids, |
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}; |
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static int __init pm8607_regulator_init(void) |
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{ |
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return platform_driver_register(&pm8607_regulator_driver); |
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} |
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subsys_initcall(pm8607_regulator_init); |
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static void __exit pm8607_regulator_exit(void) |
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{ |
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platform_driver_unregister(&pm8607_regulator_driver); |
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} |
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module_exit(pm8607_regulator_exit); |
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MODULE_LICENSE("GPL"); |
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MODULE_AUTHOR("Haojian Zhuang <[email protected]>"); |
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MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC"); |
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MODULE_ALIAS("platform:88pm8607-regulator");
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