| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Broadcom BCM590xx regulator driver |
| * |
| * Copyright 2014 Linaro Limited |
| * Author: Matt Porter <mporter@linaro.org> |
| */ |
| |
| #include <linux/err.h> |
| #include <linux/init.h> |
| #include <linux/kernel.h> |
| #include <linux/mfd/bcm590xx.h> |
| #include <linux/module.h> |
| #include <linux/of.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/driver.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/regulator/of_regulator.h> |
| #include <linux/slab.h> |
| |
| #define BCM590XX_REG_ENABLE BIT(7) |
| #define BCM590XX_VBUS_ENABLE BIT(2) |
| #define BCM590XX_LDO_VSEL_MASK GENMASK(5, 3) |
| #define BCM590XX_SR_VSEL_MASK GENMASK(5, 0) |
| |
| enum bcm590xx_reg_type { |
| BCM590XX_REG_TYPE_LDO, |
| BCM590XX_REG_TYPE_GPLDO, |
| BCM590XX_REG_TYPE_SR, |
| BCM590XX_REG_TYPE_VBUS |
| }; |
| |
| struct bcm590xx_reg_data { |
| enum bcm590xx_reg_type type; |
| enum bcm590xx_regmap_type regmap; |
| const struct regulator_desc desc; |
| }; |
| |
| struct bcm590xx_reg { |
| struct bcm590xx *mfd; |
| unsigned int n_regulators; |
| const struct bcm590xx_reg_data *regs; |
| }; |
| |
| static const struct regulator_ops bcm590xx_ops_ldo = { |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .list_voltage = regulator_list_voltage_table, |
| .map_voltage = regulator_map_voltage_iterate, |
| }; |
| |
| /* |
| * LDO ops without voltage selection, used for MICLDO on BCM59054. |
| * (These are currently the same as VBUS ops, but will be different |
| * in the future once full PMMODE support is implemented.) |
| */ |
| static const struct regulator_ops bcm590xx_ops_ldo_novolt = { |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| }; |
| |
| static const struct regulator_ops bcm590xx_ops_dcdc = { |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| .get_voltage_sel = regulator_get_voltage_sel_regmap, |
| .set_voltage_sel = regulator_set_voltage_sel_regmap, |
| .list_voltage = regulator_list_voltage_linear_range, |
| .map_voltage = regulator_map_voltage_linear_range, |
| }; |
| |
| static const struct regulator_ops bcm590xx_ops_vbus = { |
| .is_enabled = regulator_is_enabled_regmap, |
| .enable = regulator_enable_regmap, |
| .disable = regulator_disable_regmap, |
| }; |
| |
| #define BCM590XX_REG_DESC(_model, _name, _name_lower) \ |
| .id = _model##_REG_##_name, \ |
| .name = #_name_lower, \ |
| .of_match = of_match_ptr(#_name_lower), \ |
| .regulators_node = of_match_ptr("regulators"), \ |
| .type = REGULATOR_VOLTAGE, \ |
| .owner = THIS_MODULE \ |
| |
| #define BCM590XX_LDO_DESC(_model, _model_lower, _name, _name_lower, _table) \ |
| BCM590XX_REG_DESC(_model, _name, _name_lower), \ |
| .ops = &bcm590xx_ops_ldo, \ |
| .n_voltages = ARRAY_SIZE(_model_lower##_##_table), \ |
| .volt_table = _model_lower##_##_table, \ |
| .vsel_reg = _model##_##_name##CTRL, \ |
| .vsel_mask = BCM590XX_LDO_VSEL_MASK, \ |
| .enable_reg = _model##_##_name##PMCTRL1, \ |
| .enable_mask = BCM590XX_REG_ENABLE, \ |
| .enable_is_inverted = true |
| |
| #define BCM590XX_SR_DESC(_model, _model_lower, _name, _name_lower, _ranges) \ |
| BCM590XX_REG_DESC(_model, _name, _name_lower), \ |
| .ops = &bcm590xx_ops_dcdc, \ |
| .n_voltages = 64, \ |
| .linear_ranges = _model_lower##_##_ranges, \ |
| .n_linear_ranges = ARRAY_SIZE(_model_lower##_##_ranges), \ |
| .vsel_reg = _model##_##_name##VOUT1, \ |
| .vsel_mask = BCM590XX_SR_VSEL_MASK, \ |
| .enable_reg = _model##_##_name##PMCTRL1, \ |
| .enable_mask = BCM590XX_REG_ENABLE, \ |
| .enable_is_inverted = true |
| |
| #define BCM59056_REG_DESC(_name, _name_lower) \ |
| BCM590XX_REG_DESC(BCM59056, _name, _name_lower) |
| #define BCM59056_LDO_DESC(_name, _name_lower, _table) \ |
| BCM590XX_LDO_DESC(BCM59056, bcm59056, _name, _name_lower, _table) |
| #define BCM59056_SR_DESC(_name, _name_lower, _ranges) \ |
| BCM590XX_SR_DESC(BCM59056, bcm59056, _name, _name_lower, _ranges) |
| |
| #define BCM59054_REG_DESC(_name, _name_lower) \ |
| BCM590XX_REG_DESC(BCM59054, _name, _name_lower) |
| #define BCM59054_LDO_DESC(_name, _name_lower, _table) \ |
| BCM590XX_LDO_DESC(BCM59054, bcm59054, _name, _name_lower, _table) |
| #define BCM59054_SR_DESC(_name, _name_lower, _ranges) \ |
| BCM590XX_SR_DESC(BCM59054, bcm59054, _name, _name_lower, _ranges) |
| |
| /* BCM59056 data */ |
| |
| /* I2C slave 0 registers */ |
| #define BCM59056_RFLDOPMCTRL1 0x60 |
| #define BCM59056_CAMLDO1PMCTRL1 0x62 |
| #define BCM59056_CAMLDO2PMCTRL1 0x64 |
| #define BCM59056_SIMLDO1PMCTRL1 0x66 |
| #define BCM59056_SIMLDO2PMCTRL1 0x68 |
| #define BCM59056_SDLDOPMCTRL1 0x6a |
| #define BCM59056_SDXLDOPMCTRL1 0x6c |
| #define BCM59056_MMCLDO1PMCTRL1 0x6e |
| #define BCM59056_MMCLDO2PMCTRL1 0x70 |
| #define BCM59056_AUDLDOPMCTRL1 0x72 |
| #define BCM59056_MICLDOPMCTRL1 0x74 |
| #define BCM59056_USBLDOPMCTRL1 0x76 |
| #define BCM59056_VIBLDOPMCTRL1 0x78 |
| #define BCM59056_IOSR1PMCTRL1 0x7a |
| #define BCM59056_IOSR2PMCTRL1 0x7c |
| #define BCM59056_CSRPMCTRL1 0x7e |
| #define BCM59056_SDSR1PMCTRL1 0x82 |
| #define BCM59056_SDSR2PMCTRL1 0x86 |
| #define BCM59056_MSRPMCTRL1 0x8a |
| #define BCM59056_VSRPMCTRL1 0x8e |
| #define BCM59056_RFLDOCTRL 0x96 |
| #define BCM59056_CAMLDO1CTRL 0x97 |
| #define BCM59056_CAMLDO2CTRL 0x98 |
| #define BCM59056_SIMLDO1CTRL 0x99 |
| #define BCM59056_SIMLDO2CTRL 0x9a |
| #define BCM59056_SDLDOCTRL 0x9b |
| #define BCM59056_SDXLDOCTRL 0x9c |
| #define BCM59056_MMCLDO1CTRL 0x9d |
| #define BCM59056_MMCLDO2CTRL 0x9e |
| #define BCM59056_AUDLDOCTRL 0x9f |
| #define BCM59056_MICLDOCTRL 0xa0 |
| #define BCM59056_USBLDOCTRL 0xa1 |
| #define BCM59056_VIBLDOCTRL 0xa2 |
| #define BCM59056_CSRVOUT1 0xc0 |
| #define BCM59056_IOSR1VOUT1 0xc3 |
| #define BCM59056_IOSR2VOUT1 0xc6 |
| #define BCM59056_MSRVOUT1 0xc9 |
| #define BCM59056_SDSR1VOUT1 0xcc |
| #define BCM59056_SDSR2VOUT1 0xcf |
| #define BCM59056_VSRVOUT1 0xd2 |
| |
| /* I2C slave 1 registers */ |
| #define BCM59056_GPLDO5PMCTRL1 0x16 |
| #define BCM59056_GPLDO6PMCTRL1 0x18 |
| #define BCM59056_GPLDO1CTRL 0x1a |
| #define BCM59056_GPLDO2CTRL 0x1b |
| #define BCM59056_GPLDO3CTRL 0x1c |
| #define BCM59056_GPLDO4CTRL 0x1d |
| #define BCM59056_GPLDO5CTRL 0x1e |
| #define BCM59056_GPLDO6CTRL 0x1f |
| #define BCM59056_OTG_CTRL 0x40 |
| #define BCM59056_GPLDO1PMCTRL1 0x57 |
| #define BCM59056_GPLDO2PMCTRL1 0x59 |
| #define BCM59056_GPLDO3PMCTRL1 0x5b |
| #define BCM59056_GPLDO4PMCTRL1 0x5d |
| |
| /* |
| * RFLDO to VSR regulators are |
| * accessed via I2C slave 0 |
| */ |
| |
| /* LDO regulator IDs */ |
| #define BCM59056_REG_RFLDO 0 |
| #define BCM59056_REG_CAMLDO1 1 |
| #define BCM59056_REG_CAMLDO2 2 |
| #define BCM59056_REG_SIMLDO1 3 |
| #define BCM59056_REG_SIMLDO2 4 |
| #define BCM59056_REG_SDLDO 5 |
| #define BCM59056_REG_SDXLDO 6 |
| #define BCM59056_REG_MMCLDO1 7 |
| #define BCM59056_REG_MMCLDO2 8 |
| #define BCM59056_REG_AUDLDO 9 |
| #define BCM59056_REG_MICLDO 10 |
| #define BCM59056_REG_USBLDO 11 |
| #define BCM59056_REG_VIBLDO 12 |
| |
| /* DCDC regulator IDs */ |
| #define BCM59056_REG_CSR 13 |
| #define BCM59056_REG_IOSR1 14 |
| #define BCM59056_REG_IOSR2 15 |
| #define BCM59056_REG_MSR 16 |
| #define BCM59056_REG_SDSR1 17 |
| #define BCM59056_REG_SDSR2 18 |
| #define BCM59056_REG_VSR 19 |
| |
| /* |
| * GPLDO1 to VBUS regulators are |
| * accessed via I2C slave 1 |
| */ |
| |
| #define BCM59056_REG_GPLDO1 20 |
| #define BCM59056_REG_GPLDO2 21 |
| #define BCM59056_REG_GPLDO3 22 |
| #define BCM59056_REG_GPLDO4 23 |
| #define BCM59056_REG_GPLDO5 24 |
| #define BCM59056_REG_GPLDO6 25 |
| #define BCM59056_REG_VBUS 26 |
| |
| #define BCM59056_NUM_REGS 27 |
| |
| /* LDO group A: supported voltages in microvolts */ |
| static const unsigned int bcm59056_ldo_a_table[] = { |
| 1200000, 1800000, 2500000, 2700000, 2800000, |
| 2900000, 3000000, 3300000, |
| }; |
| |
| /* LDO group C: supported voltages in microvolts */ |
| static const unsigned int bcm59056_ldo_c_table[] = { |
| 3100000, 1800000, 2500000, 2700000, 2800000, |
| 2900000, 3000000, 3300000, |
| }; |
| |
| /* DCDC group CSR: supported voltages in microvolts */ |
| static const struct linear_range bcm59056_dcdc_csr_ranges[] = { |
| REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000), |
| REGULATOR_LINEAR_RANGE(1360000, 51, 55, 20000), |
| REGULATOR_LINEAR_RANGE(900000, 56, 63, 0), |
| }; |
| |
| /* DCDC group IOSR1: supported voltages in microvolts */ |
| static const struct linear_range bcm59056_dcdc_iosr1_ranges[] = { |
| REGULATOR_LINEAR_RANGE(860000, 2, 51, 10000), |
| REGULATOR_LINEAR_RANGE(1500000, 52, 52, 0), |
| REGULATOR_LINEAR_RANGE(1800000, 53, 53, 0), |
| REGULATOR_LINEAR_RANGE(900000, 54, 63, 0), |
| }; |
| |
| /* DCDC group SDSR1: supported voltages in microvolts */ |
| static const struct linear_range bcm59056_dcdc_sdsr1_ranges[] = { |
| REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000), |
| REGULATOR_LINEAR_RANGE(1340000, 51, 51, 0), |
| REGULATOR_LINEAR_RANGE(900000, 52, 63, 0), |
| }; |
| |
| static const struct bcm590xx_reg_data bcm59056_regs[BCM59056_NUM_REGS] = { |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(RFLDO, rfldo, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(CAMLDO1, camldo1, ldo_c_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(CAMLDO2, camldo2, ldo_c_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(SIMLDO1, simldo1, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(SIMLDO2, simldo2, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(SDLDO, sdldo, ldo_c_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(SDXLDO, sdxldo, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(MMCLDO1, mmcldo1, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(MMCLDO2, mmcldo2, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(AUDLDO, audldo, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(MICLDO, micldo, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(USBLDO, usbldo, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_LDO_DESC(VIBLDO, vibldo, ldo_c_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_SR_DESC(CSR, csr, dcdc_csr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_SR_DESC(IOSR1, iosr1, dcdc_iosr1_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_SR_DESC(IOSR2, iosr2, dcdc_iosr1_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_SR_DESC(MSR, msr, dcdc_iosr1_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_SR_DESC(SDSR1, sdsr1, dcdc_sdsr1_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_SR_DESC(SDSR2, sdsr2, dcdc_iosr1_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59056_SR_DESC(VSR, vsr, dcdc_iosr1_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59056_LDO_DESC(GPLDO1, gpldo1, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59056_LDO_DESC(GPLDO2, gpldo2, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59056_LDO_DESC(GPLDO3, gpldo3, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59056_LDO_DESC(GPLDO4, gpldo4, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59056_LDO_DESC(GPLDO5, gpldo5, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59056_LDO_DESC(GPLDO6, gpldo6, ldo_a_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_VBUS, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59056_REG_DESC(VBUS, vbus), |
| .ops = &bcm590xx_ops_vbus, |
| .n_voltages = 1, |
| .fixed_uV = 5000000, |
| .enable_reg = BCM59056_OTG_CTRL, |
| .enable_mask = BCM590XX_VBUS_ENABLE, |
| }, |
| }, |
| }; |
| |
| /* BCM59054 data */ |
| |
| /* I2C slave 0 registers */ |
| #define BCM59054_RFLDOPMCTRL1 0x60 |
| #define BCM59054_CAMLDO1PMCTRL1 0x62 |
| #define BCM59054_CAMLDO2PMCTRL1 0x64 |
| #define BCM59054_SIMLDO1PMCTRL1 0x66 |
| #define BCM59054_SIMLDO2PMCTRL1 0x68 |
| #define BCM59054_SDLDOPMCTRL1 0x6a |
| #define BCM59054_SDXLDOPMCTRL1 0x6c |
| #define BCM59054_MMCLDO1PMCTRL1 0x6e |
| #define BCM59054_MMCLDO2PMCTRL1 0x70 |
| #define BCM59054_AUDLDOPMCTRL1 0x72 |
| #define BCM59054_MICLDOPMCTRL1 0x74 |
| #define BCM59054_USBLDOPMCTRL1 0x76 |
| #define BCM59054_VIBLDOPMCTRL1 0x78 |
| #define BCM59054_IOSR1PMCTRL1 0x7a |
| #define BCM59054_IOSR2PMCTRL1 0x7c |
| #define BCM59054_CSRPMCTRL1 0x7e |
| #define BCM59054_SDSR1PMCTRL1 0x82 |
| #define BCM59054_SDSR2PMCTRL1 0x86 |
| #define BCM59054_MMSRPMCTRL1 0x8a |
| #define BCM59054_VSRPMCTRL1 0x8e |
| #define BCM59054_RFLDOCTRL 0x96 |
| #define BCM59054_CAMLDO1CTRL 0x97 |
| #define BCM59054_CAMLDO2CTRL 0x98 |
| #define BCM59054_SIMLDO1CTRL 0x99 |
| #define BCM59054_SIMLDO2CTRL 0x9a |
| #define BCM59054_SDLDOCTRL 0x9b |
| #define BCM59054_SDXLDOCTRL 0x9c |
| #define BCM59054_MMCLDO1CTRL 0x9d |
| #define BCM59054_MMCLDO2CTRL 0x9e |
| #define BCM59054_AUDLDOCTRL 0x9f |
| #define BCM59054_MICLDOCTRL 0xa0 |
| #define BCM59054_USBLDOCTRL 0xa1 |
| #define BCM59054_VIBLDOCTRL 0xa2 |
| #define BCM59054_CSRVOUT1 0xc0 |
| #define BCM59054_IOSR1VOUT1 0xc3 |
| #define BCM59054_IOSR2VOUT1 0xc6 |
| #define BCM59054_MMSRVOUT1 0xc9 |
| #define BCM59054_SDSR1VOUT1 0xcc |
| #define BCM59054_SDSR2VOUT1 0xcf |
| #define BCM59054_VSRVOUT1 0xd2 |
| |
| /* I2C slave 1 registers */ |
| #define BCM59054_LVLDO1PMCTRL1 0x16 |
| #define BCM59054_LVLDO2PMCTRL1 0x18 |
| #define BCM59054_GPLDO1CTRL 0x1a |
| #define BCM59054_GPLDO2CTRL 0x1b |
| #define BCM59054_GPLDO3CTRL 0x1c |
| #define BCM59054_TCXLDOCTRL 0x1d |
| #define BCM59054_LVLDO1CTRL 0x1e |
| #define BCM59054_LVLDO2CTRL 0x1f |
| #define BCM59054_OTG_CTRL 0x40 |
| #define BCM59054_GPLDO1PMCTRL1 0x57 |
| #define BCM59054_GPLDO2PMCTRL1 0x59 |
| #define BCM59054_GPLDO3PMCTRL1 0x5b |
| #define BCM59054_TCXLDOPMCTRL1 0x5d |
| |
| /* |
| * RFLDO to VSR regulators are |
| * accessed via I2C slave 0 |
| */ |
| |
| /* LDO regulator IDs */ |
| #define BCM59054_REG_RFLDO 0 |
| #define BCM59054_REG_CAMLDO1 1 |
| #define BCM59054_REG_CAMLDO2 2 |
| #define BCM59054_REG_SIMLDO1 3 |
| #define BCM59054_REG_SIMLDO2 4 |
| #define BCM59054_REG_SDLDO 5 |
| #define BCM59054_REG_SDXLDO 6 |
| #define BCM59054_REG_MMCLDO1 7 |
| #define BCM59054_REG_MMCLDO2 8 |
| #define BCM59054_REG_AUDLDO 9 |
| #define BCM59054_REG_MICLDO 10 |
| #define BCM59054_REG_USBLDO 11 |
| #define BCM59054_REG_VIBLDO 12 |
| |
| /* DCDC regulator IDs */ |
| #define BCM59054_REG_CSR 13 |
| #define BCM59054_REG_IOSR1 14 |
| #define BCM59054_REG_IOSR2 15 |
| #define BCM59054_REG_MMSR 16 |
| #define BCM59054_REG_SDSR1 17 |
| #define BCM59054_REG_SDSR2 18 |
| #define BCM59054_REG_VSR 19 |
| |
| /* |
| * GPLDO1 to VBUS regulators are |
| * accessed via I2C slave 1 |
| */ |
| |
| #define BCM59054_REG_GPLDO1 20 |
| #define BCM59054_REG_GPLDO2 21 |
| #define BCM59054_REG_GPLDO3 22 |
| #define BCM59054_REG_TCXLDO 23 |
| #define BCM59054_REG_LVLDO1 24 |
| #define BCM59054_REG_LVLDO2 25 |
| #define BCM59054_REG_VBUS 26 |
| |
| #define BCM59054_NUM_REGS 27 |
| |
| /* LDO group 1: supported voltages in microvolts */ |
| static const unsigned int bcm59054_ldo_1_table[] = { |
| 1200000, 1800000, 2500000, 2700000, 2800000, |
| 2900000, 3000000, 3300000, |
| }; |
| |
| /* LDO group 2: supported voltages in microvolts */ |
| static const unsigned int bcm59054_ldo_2_table[] = { |
| 3100000, 1800000, 2500000, 2700000, 2800000, |
| 2900000, 3000000, 3300000, |
| }; |
| |
| /* LDO group 3: supported voltages in microvolts */ |
| static const unsigned int bcm59054_ldo_3_table[] = { |
| 1000000, 1107000, 1143000, 1214000, 1250000, |
| 1464000, 1500000, 1786000, |
| }; |
| |
| /* DCDC group SR: supported voltages in microvolts */ |
| static const struct linear_range bcm59054_dcdc_sr_ranges[] = { |
| REGULATOR_LINEAR_RANGE(0, 0, 1, 0), |
| REGULATOR_LINEAR_RANGE(860000, 2, 60, 10000), |
| REGULATOR_LINEAR_RANGE(1500000, 61, 61, 0), |
| REGULATOR_LINEAR_RANGE(1800000, 62, 62, 0), |
| REGULATOR_LINEAR_RANGE(900000, 63, 63, 0), |
| }; |
| |
| /* DCDC group VSR (BCM59054A1): supported voltages in microvolts */ |
| static const struct linear_range bcm59054_dcdc_vsr_a1_ranges[] = { |
| REGULATOR_LINEAR_RANGE(0, 0, 1, 0), |
| REGULATOR_LINEAR_RANGE(860000, 2, 59, 10000), |
| REGULATOR_LINEAR_RANGE(1700000, 60, 60, 0), |
| REGULATOR_LINEAR_RANGE(1500000, 61, 61, 0), |
| REGULATOR_LINEAR_RANGE(1800000, 62, 62, 0), |
| REGULATOR_LINEAR_RANGE(1600000, 63, 63, 0), |
| }; |
| |
| /* DCDC group CSR: supported voltages in microvolts */ |
| static const struct linear_range bcm59054_dcdc_csr_ranges[] = { |
| REGULATOR_LINEAR_RANGE(700000, 0, 1, 100000), |
| REGULATOR_LINEAR_RANGE(860000, 2, 60, 10000), |
| REGULATOR_LINEAR_RANGE(900000, 61, 63, 0), |
| }; |
| |
| static const struct bcm590xx_reg_data bcm59054_regs[BCM59054_NUM_REGS] = { |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(RFLDO, rfldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(CAMLDO1, camldo1, ldo_2_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(CAMLDO2, camldo2, ldo_2_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(SIMLDO1, simldo1, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(SIMLDO2, simldo2, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(SDLDO, sdldo, ldo_2_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(SDXLDO, sdxldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(MMCLDO1, mmcldo1, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(MMCLDO2, mmcldo2, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(AUDLDO, audldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_REG_DESC(MICLDO, micldo), |
| .ops = &bcm590xx_ops_ldo_novolt, |
| /* MICLDO is locked at 1.8V */ |
| .n_voltages = 1, |
| .fixed_uV = 1800000, |
| .enable_reg = BCM59054_MICLDOPMCTRL1, |
| .enable_mask = BCM590XX_REG_ENABLE, |
| .enable_is_inverted = true, |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(USBLDO, usbldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(VIBLDO, vibldo, ldo_2_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(CSR, csr, dcdc_csr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(IOSR1, iosr1, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(IOSR2, iosr2, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(MMSR, mmsr, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(SDSR1, sdsr1, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(SDSR2, sdsr2, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(VSR, vsr, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(GPLDO1, gpldo1, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(GPLDO2, gpldo2, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(GPLDO3, gpldo3, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(TCXLDO, tcxldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(LVLDO1, lvldo1, ldo_3_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(LVLDO2, lvldo2, ldo_3_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_VBUS, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_REG_DESC(VBUS, vbus), |
| .ops = &bcm590xx_ops_vbus, |
| .n_voltages = 1, |
| .fixed_uV = 5000000, |
| .enable_reg = BCM59054_OTG_CTRL, |
| .enable_mask = BCM590XX_VBUS_ENABLE, |
| }, |
| }, |
| }; |
| |
| /* |
| * BCM59054A1 regulators; same as previous revision, but with different |
| * VSR voltage table. |
| */ |
| static const struct bcm590xx_reg_data bcm59054_a1_regs[BCM59054_NUM_REGS] = { |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(RFLDO, rfldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(CAMLDO1, camldo1, ldo_2_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(CAMLDO2, camldo2, ldo_2_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(SIMLDO1, simldo1, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(SIMLDO2, simldo2, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(SDLDO, sdldo, ldo_2_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(SDXLDO, sdxldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(MMCLDO1, mmcldo1, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(MMCLDO2, mmcldo2, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(AUDLDO, audldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_REG_DESC(MICLDO, micldo), |
| .ops = &bcm590xx_ops_ldo_novolt, |
| /* MICLDO is locked at 1.8V */ |
| .n_voltages = 1, |
| .fixed_uV = 1800000, |
| .enable_reg = BCM59054_MICLDOPMCTRL1, |
| .enable_mask = BCM590XX_REG_ENABLE, |
| .enable_is_inverted = true, |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(USBLDO, usbldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_LDO, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_LDO_DESC(VIBLDO, vibldo, ldo_2_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(CSR, csr, dcdc_csr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(IOSR1, iosr1, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(IOSR2, iosr2, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(MMSR, mmsr, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(SDSR1, sdsr1, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(SDSR2, sdsr2, dcdc_sr_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_SR, |
| .regmap = BCM590XX_REGMAP_PRI, |
| .desc = { |
| BCM59054_SR_DESC(VSR, vsr, dcdc_vsr_a1_ranges), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(GPLDO1, gpldo1, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(GPLDO2, gpldo2, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(GPLDO3, gpldo3, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(TCXLDO, tcxldo, ldo_1_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(LVLDO1, lvldo1, ldo_3_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_GPLDO, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_LDO_DESC(LVLDO2, lvldo2, ldo_3_table), |
| }, |
| }, |
| |
| { |
| .type = BCM590XX_REG_TYPE_VBUS, |
| .regmap = BCM590XX_REGMAP_SEC, |
| .desc = { |
| BCM59054_REG_DESC(VBUS, vbus), |
| .ops = &bcm590xx_ops_vbus, |
| .n_voltages = 1, |
| .fixed_uV = 5000000, |
| .enable_reg = BCM59054_OTG_CTRL, |
| .enable_mask = BCM590XX_VBUS_ENABLE, |
| }, |
| }, |
| }; |
| |
| static int bcm590xx_probe(struct platform_device *pdev) |
| { |
| struct bcm590xx *bcm590xx = dev_get_drvdata(pdev->dev.parent); |
| struct bcm590xx_reg *pmu; |
| const struct bcm590xx_reg_data *info; |
| struct regulator_config config = { }; |
| struct regulator_dev *rdev; |
| unsigned int i; |
| |
| pmu = devm_kzalloc(&pdev->dev, sizeof(*pmu), GFP_KERNEL); |
| if (!pmu) |
| return -ENOMEM; |
| |
| pmu->mfd = bcm590xx; |
| |
| switch (pmu->mfd->pmu_id) { |
| case BCM590XX_PMUID_BCM59054: |
| pmu->n_regulators = BCM59054_NUM_REGS; |
| if (pmu->mfd->rev_analog == BCM59054_REV_ANALOG_A1) |
| pmu->regs = bcm59054_a1_regs; |
| else |
| pmu->regs = bcm59054_regs; |
| break; |
| case BCM590XX_PMUID_BCM59056: |
| pmu->n_regulators = BCM59056_NUM_REGS; |
| pmu->regs = bcm59056_regs; |
| break; |
| default: |
| dev_err(bcm590xx->dev, |
| "unknown device type, could not initialize\n"); |
| return -EINVAL; |
| } |
| |
| platform_set_drvdata(pdev, pmu); |
| |
| /* Register the regulators */ |
| for (i = 0; i < pmu->n_regulators; i++) { |
| info = &pmu->regs[i]; |
| |
| config.dev = bcm590xx->dev; |
| config.driver_data = pmu; |
| |
| switch (info->regmap) { |
| case BCM590XX_REGMAP_PRI: |
| config.regmap = bcm590xx->regmap_pri; |
| break; |
| case BCM590XX_REGMAP_SEC: |
| config.regmap = bcm590xx->regmap_sec; |
| break; |
| default: |
| dev_err(bcm590xx->dev, |
| "invalid regmap for %s regulator; this is a driver bug\n", |
| pdev->name); |
| return -EINVAL; |
| } |
| |
| rdev = devm_regulator_register(&pdev->dev, &info->desc, |
| &config); |
| if (IS_ERR(rdev)) |
| return dev_err_probe(bcm590xx->dev, PTR_ERR(rdev), |
| "failed to register %s regulator\n", |
| pdev->name); |
| } |
| |
| return 0; |
| } |
| |
| static struct platform_driver bcm590xx_regulator_driver = { |
| .driver = { |
| .name = "bcm590xx-vregs", |
| .probe_type = PROBE_PREFER_ASYNCHRONOUS, |
| }, |
| .probe = bcm590xx_probe, |
| }; |
| module_platform_driver(bcm590xx_regulator_driver); |
| |
| MODULE_AUTHOR("Matt Porter <mporter@linaro.org>"); |
| MODULE_DESCRIPTION("BCM590xx voltage regulator driver"); |
| MODULE_LICENSE("GPL v2"); |
| MODULE_ALIAS("platform:bcm590xx-vregs"); |
