| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| J Keerthy | 5217 | 68.82% | 8 | 16.33% |
| Graeme Gregory | 963 | 12.70% | 3 | 6.12% |
| Laxman Dewangan | 675 | 8.90% | 9 | 18.37% |
| Nishanth Menon | 516 | 6.81% | 12 | 24.49% |
| Axel Lin | 100 | 1.32% | 9 | 18.37% |
| Kishon Vijay Abraham I | 38 | 0.50% | 1 | 2.04% |
| Mark Brown | 34 | 0.45% | 3 | 6.12% |
| Sachin Kamat | 13 | 0.17% | 1 | 2.04% |
| Bhumika Goyal | 12 | 0.16% | 1 | 2.04% |
| Kangjie Lu | 12 | 0.16% | 1 | 2.04% |
| Fabian Frederick | 1 | 0.01% | 1 | 2.04% |
| Total | 7581 | 49 |
/* * Driver for Regulator part of Palmas PMIC Chips * * Copyright 2011-2013 Texas Instruments Inc. * * Author: Graeme Gregory <gg@slimlogic.co.uk> * Author: Ian Lartey <ian@slimlogic.co.uk> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/slab.h> #include <linux/regmap.h> #include <linux/mfd/palmas.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/regulator/of_regulator.h> static const struct regulator_linear_range smps_low_ranges[] = { REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0), REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0), REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000), REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0), }; static const struct regulator_linear_range smps_high_ranges[] = { REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0), REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0), REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000), REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0), }; static struct palmas_regs_info palmas_generic_regs_info[] = { { .name = "SMPS12", .sname = "smps1-in", .vsel_addr = PALMAS_SMPS12_VOLTAGE, .ctrl_addr = PALMAS_SMPS12_CTRL, .tstep_addr = PALMAS_SMPS12_TSTEP, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS12, }, { .name = "SMPS123", .sname = "smps1-in", .vsel_addr = PALMAS_SMPS12_VOLTAGE, .ctrl_addr = PALMAS_SMPS12_CTRL, .tstep_addr = PALMAS_SMPS12_TSTEP, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS12, }, { .name = "SMPS3", .sname = "smps3-in", .vsel_addr = PALMAS_SMPS3_VOLTAGE, .ctrl_addr = PALMAS_SMPS3_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS3, }, { .name = "SMPS45", .sname = "smps4-in", .vsel_addr = PALMAS_SMPS45_VOLTAGE, .ctrl_addr = PALMAS_SMPS45_CTRL, .tstep_addr = PALMAS_SMPS45_TSTEP, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS45, }, { .name = "SMPS457", .sname = "smps4-in", .vsel_addr = PALMAS_SMPS45_VOLTAGE, .ctrl_addr = PALMAS_SMPS45_CTRL, .tstep_addr = PALMAS_SMPS45_TSTEP, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS45, }, { .name = "SMPS6", .sname = "smps6-in", .vsel_addr = PALMAS_SMPS6_VOLTAGE, .ctrl_addr = PALMAS_SMPS6_CTRL, .tstep_addr = PALMAS_SMPS6_TSTEP, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS6, }, { .name = "SMPS7", .sname = "smps7-in", .vsel_addr = PALMAS_SMPS7_VOLTAGE, .ctrl_addr = PALMAS_SMPS7_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS7, }, { .name = "SMPS8", .sname = "smps8-in", .vsel_addr = PALMAS_SMPS8_VOLTAGE, .ctrl_addr = PALMAS_SMPS8_CTRL, .tstep_addr = PALMAS_SMPS8_TSTEP, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS8, }, { .name = "SMPS9", .sname = "smps9-in", .vsel_addr = PALMAS_SMPS9_VOLTAGE, .ctrl_addr = PALMAS_SMPS9_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS9, }, { .name = "SMPS10_OUT2", .sname = "smps10-in", .ctrl_addr = PALMAS_SMPS10_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10, }, { .name = "SMPS10_OUT1", .sname = "smps10-out2", .ctrl_addr = PALMAS_SMPS10_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SMPS10, }, { .name = "LDO1", .sname = "ldo1-in", .vsel_addr = PALMAS_LDO1_VOLTAGE, .ctrl_addr = PALMAS_LDO1_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO1, }, { .name = "LDO2", .sname = "ldo2-in", .vsel_addr = PALMAS_LDO2_VOLTAGE, .ctrl_addr = PALMAS_LDO2_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO2, }, { .name = "LDO3", .sname = "ldo3-in", .vsel_addr = PALMAS_LDO3_VOLTAGE, .ctrl_addr = PALMAS_LDO3_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO3, }, { .name = "LDO4", .sname = "ldo4-in", .vsel_addr = PALMAS_LDO4_VOLTAGE, .ctrl_addr = PALMAS_LDO4_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO4, }, { .name = "LDO5", .sname = "ldo5-in", .vsel_addr = PALMAS_LDO5_VOLTAGE, .ctrl_addr = PALMAS_LDO5_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO5, }, { .name = "LDO6", .sname = "ldo6-in", .vsel_addr = PALMAS_LDO6_VOLTAGE, .ctrl_addr = PALMAS_LDO6_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO6, }, { .name = "LDO7", .sname = "ldo7-in", .vsel_addr = PALMAS_LDO7_VOLTAGE, .ctrl_addr = PALMAS_LDO7_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO7, }, { .name = "LDO8", .sname = "ldo8-in", .vsel_addr = PALMAS_LDO8_VOLTAGE, .ctrl_addr = PALMAS_LDO8_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO8, }, { .name = "LDO9", .sname = "ldo9-in", .vsel_addr = PALMAS_LDO9_VOLTAGE, .ctrl_addr = PALMAS_LDO9_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDO9, }, { .name = "LDOLN", .sname = "ldoln-in", .vsel_addr = PALMAS_LDOLN_VOLTAGE, .ctrl_addr = PALMAS_LDOLN_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOLN, }, { .name = "LDOUSB", .sname = "ldousb-in", .vsel_addr = PALMAS_LDOUSB_VOLTAGE, .ctrl_addr = PALMAS_LDOUSB_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_LDOUSB, }, { .name = "REGEN1", .ctrl_addr = PALMAS_REGEN1_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN1, }, { .name = "REGEN2", .ctrl_addr = PALMAS_REGEN2_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN2, }, { .name = "REGEN3", .ctrl_addr = PALMAS_REGEN3_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_REGEN3, }, { .name = "SYSEN1", .ctrl_addr = PALMAS_SYSEN1_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN1, }, { .name = "SYSEN2", .ctrl_addr = PALMAS_SYSEN2_CTRL, .sleep_id = PALMAS_EXTERNAL_REQSTR_ID_SYSEN2, }, }; static struct palmas_regs_info tps65917_regs_info[] = { { .name = "SMPS1", .sname = "smps1-in", .vsel_addr = TPS65917_SMPS1_VOLTAGE, .ctrl_addr = TPS65917_SMPS1_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS1, }, { .name = "SMPS2", .sname = "smps2-in", .vsel_addr = TPS65917_SMPS2_VOLTAGE, .ctrl_addr = TPS65917_SMPS2_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS2, }, { .name = "SMPS3", .sname = "smps3-in", .vsel_addr = TPS65917_SMPS3_VOLTAGE, .ctrl_addr = TPS65917_SMPS3_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS3, }, { .name = "SMPS4", .sname = "smps4-in", .vsel_addr = TPS65917_SMPS4_VOLTAGE, .ctrl_addr = TPS65917_SMPS4_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS4, }, { .name = "SMPS5", .sname = "smps5-in", .vsel_addr = TPS65917_SMPS5_VOLTAGE, .ctrl_addr = TPS65917_SMPS5_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS5, }, { .name = "SMPS12", .sname = "smps1-in", .vsel_addr = TPS65917_SMPS1_VOLTAGE, .ctrl_addr = TPS65917_SMPS1_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_SMPS12, }, { .name = "LDO1", .sname = "ldo1-in", .vsel_addr = TPS65917_LDO1_VOLTAGE, .ctrl_addr = TPS65917_LDO1_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO1, }, { .name = "LDO2", .sname = "ldo2-in", .vsel_addr = TPS65917_LDO2_VOLTAGE, .ctrl_addr = TPS65917_LDO2_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO2, }, { .name = "LDO3", .sname = "ldo3-in", .vsel_addr = TPS65917_LDO3_VOLTAGE, .ctrl_addr = TPS65917_LDO3_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO3, }, { .name = "LDO4", .sname = "ldo4-in", .vsel_addr = TPS65917_LDO4_VOLTAGE, .ctrl_addr = TPS65917_LDO4_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO4, }, { .name = "LDO5", .sname = "ldo5-in", .vsel_addr = TPS65917_LDO5_VOLTAGE, .ctrl_addr = TPS65917_LDO5_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_LDO5, }, { .name = "REGEN1", .ctrl_addr = TPS65917_REGEN1_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN1, }, { .name = "REGEN2", .ctrl_addr = TPS65917_REGEN2_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN2, }, { .name = "REGEN3", .ctrl_addr = TPS65917_REGEN3_CTRL, .sleep_id = TPS65917_EXTERNAL_REQSTR_ID_REGEN3, }, }; #define EXTERNAL_REQUESTOR(_id, _offset, _pos) \ [PALMAS_EXTERNAL_REQSTR_ID_##_id] = { \ .id = PALMAS_EXTERNAL_REQSTR_ID_##_id, \ .reg_offset = _offset, \ .bit_pos = _pos, \ } static struct palmas_sleep_requestor_info palma_sleep_req_info[] = { EXTERNAL_REQUESTOR(REGEN1, 0, 0), EXTERNAL_REQUESTOR(REGEN2, 0, 1), EXTERNAL_REQUESTOR(SYSEN1, 0, 2), EXTERNAL_REQUESTOR(SYSEN2, 0, 3), EXTERNAL_REQUESTOR(CLK32KG, 0, 4), EXTERNAL_REQUESTOR(CLK32KGAUDIO, 0, 5), EXTERNAL_REQUESTOR(REGEN3, 0, 6), EXTERNAL_REQUESTOR(SMPS12, 1, 0), EXTERNAL_REQUESTOR(SMPS3, 1, 1), EXTERNAL_REQUESTOR(SMPS45, 1, 2), EXTERNAL_REQUESTOR(SMPS6, 1, 3), EXTERNAL_REQUESTOR(SMPS7, 1, 4), EXTERNAL_REQUESTOR(SMPS8, 1, 5), EXTERNAL_REQUESTOR(SMPS9, 1, 6), EXTERNAL_REQUESTOR(SMPS10, 1, 7), EXTERNAL_REQUESTOR(LDO1, 2, 0), EXTERNAL_REQUESTOR(LDO2, 2, 1), EXTERNAL_REQUESTOR(LDO3, 2, 2), EXTERNAL_REQUESTOR(LDO4, 2, 3), EXTERNAL_REQUESTOR(LDO5, 2, 4), EXTERNAL_REQUESTOR(LDO6, 2, 5), EXTERNAL_REQUESTOR(LDO7, 2, 6), EXTERNAL_REQUESTOR(LDO8, 2, 7), EXTERNAL_REQUESTOR(LDO9, 3, 0), EXTERNAL_REQUESTOR(LDOLN, 3, 1), EXTERNAL_REQUESTOR(LDOUSB, 3, 2), }; #define EXTERNAL_REQUESTOR_TPS65917(_id, _offset, _pos) \ [TPS65917_EXTERNAL_REQSTR_ID_##_id] = { \ .id = TPS65917_EXTERNAL_REQSTR_ID_##_id, \ .reg_offset = _offset, \ .bit_pos = _pos, \ } static struct palmas_sleep_requestor_info tps65917_sleep_req_info[] = { EXTERNAL_REQUESTOR_TPS65917(REGEN1, 0, 0), EXTERNAL_REQUESTOR_TPS65917(REGEN2, 0, 1), EXTERNAL_REQUESTOR_TPS65917(REGEN3, 0, 6), EXTERNAL_REQUESTOR_TPS65917(SMPS1, 1, 0), EXTERNAL_REQUESTOR_TPS65917(SMPS2, 1, 1), EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2), EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3), EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4), EXTERNAL_REQUESTOR_TPS65917(SMPS12, 1, 5), EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0), EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1), EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2), EXTERNAL_REQUESTOR_TPS65917(LDO4, 2, 3), EXTERNAL_REQUESTOR_TPS65917(LDO5, 2, 4), }; static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500}; #define SMPS_CTRL_MODE_OFF 0x00 #define SMPS_CTRL_MODE_ON 0x01 #define SMPS_CTRL_MODE_ECO 0x02 #define SMPS_CTRL_MODE_PWM 0x03 #define PALMAS_SMPS_NUM_VOLTAGES 122 #define PALMAS_SMPS10_NUM_VOLTAGES 2 #define PALMAS_LDO_NUM_VOLTAGES 50 #define SMPS10_VSEL (1<<3) #define SMPS10_BOOST_EN (1<<2) #define SMPS10_BYPASS_EN (1<<1) #define SMPS10_SWITCH_EN (1<<0) #define REGULATOR_SLAVE 0 static int palmas_smps_read(struct palmas *palmas, unsigned int reg, unsigned int *dest) { unsigned int addr; addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg); return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest); } static int palmas_smps_write(struct palmas *palmas, unsigned int reg, unsigned int value) { unsigned int addr; addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg); return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value); } static int palmas_ldo_read(struct palmas *palmas, unsigned int reg, unsigned int *dest) { unsigned int addr; addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg); return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest); } static int palmas_ldo_write(struct palmas *palmas, unsigned int reg, unsigned int value) { unsigned int addr; addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg); return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value); } static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode) { int id = rdev_get_id(dev); int ret; struct palmas_pmic *pmic = rdev_get_drvdata(dev); struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; unsigned int reg; bool rail_enable = true; ret = palmas_smps_read(pmic->palmas, rinfo->ctrl_addr, ®); if (ret) return ret; reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; if (reg == SMPS_CTRL_MODE_OFF) rail_enable = false; switch (mode) { case REGULATOR_MODE_NORMAL: reg |= SMPS_CTRL_MODE_ON; break; case REGULATOR_MODE_IDLE: reg |= SMPS_CTRL_MODE_ECO; break; case REGULATOR_MODE_FAST: reg |= SMPS_CTRL_MODE_PWM; break; default: return -EINVAL; } pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; if (rail_enable) palmas_smps_write(pmic->palmas, rinfo->ctrl_addr, reg); /* Switch the enable value to ensure this is used for enable */ pmic->desc[id].enable_val = pmic->current_reg_mode[id]; return 0; } static unsigned int palmas_get_mode_smps(struct regulator_dev *dev) { struct palmas_pmic *pmic = rdev_get_drvdata(dev); int id = rdev_get_id(dev); unsigned int reg; reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; switch (reg) { case SMPS_CTRL_MODE_ON: return REGULATOR_MODE_NORMAL; case SMPS_CTRL_MODE_ECO: return REGULATOR_MODE_IDLE; case SMPS_CTRL_MODE_PWM: return REGULATOR_MODE_FAST; } return 0; } static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) { int id = rdev_get_id(rdev); struct palmas_pmic *pmic = rdev_get_drvdata(rdev); struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; unsigned int reg = 0; int ret; /* SMPS3 and SMPS7 do not have tstep_addr setting */ switch (id) { case PALMAS_REG_SMPS3: case PALMAS_REG_SMPS7: return 0; } if (ramp_delay <= 0) reg = 0; else if (ramp_delay <= 2500) reg = 3; else if (ramp_delay <= 5000) reg = 2; else reg = 1; ret = palmas_smps_write(pmic->palmas, rinfo->tstep_addr, reg); if (ret < 0) { dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret); return ret; } pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg]; return ret; } static const struct regulator_ops palmas_ops_smps = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .set_mode = palmas_set_mode_smps, .get_mode = palmas_get_mode_smps, .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, .set_voltage_time_sel = regulator_set_voltage_time_sel, .set_ramp_delay = palmas_smps_set_ramp_delay, }; static const struct regulator_ops palmas_ops_ext_control_smps = { .set_mode = palmas_set_mode_smps, .get_mode = palmas_get_mode_smps, .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, .set_voltage_time_sel = regulator_set_voltage_time_sel, .set_ramp_delay = palmas_smps_set_ramp_delay, }; static const struct regulator_ops palmas_ops_smps10 = { .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, .map_voltage = regulator_map_voltage_linear, .set_bypass = regulator_set_bypass_regmap, .get_bypass = regulator_get_bypass_regmap, }; static const struct regulator_ops tps65917_ops_smps = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .set_mode = palmas_set_mode_smps, .get_mode = palmas_get_mode_smps, .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, .set_voltage_time_sel = regulator_set_voltage_time_sel, }; static const struct regulator_ops tps65917_ops_ext_control_smps = { .set_mode = palmas_set_mode_smps, .get_mode = palmas_get_mode_smps, .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 int palmas_is_enabled_ldo(struct regulator_dev *dev) { int id = rdev_get_id(dev); struct palmas_pmic *pmic = rdev_get_drvdata(dev); struct palmas_pmic_driver_data *ddata = pmic->palmas->pmic_ddata; struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; unsigned int reg; palmas_ldo_read(pmic->palmas, rinfo->ctrl_addr, ®); reg &= PALMAS_LDO1_CTRL_STATUS; return !!(reg); } static const struct regulator_ops palmas_ops_ldo = { .is_enabled = palmas_is_enabled_ldo, .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, .map_voltage = regulator_map_voltage_linear, }; static const struct regulator_ops palmas_ops_ldo9 = { .is_enabled = palmas_is_enabled_ldo, .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, .map_voltage = regulator_map_voltage_linear, .set_bypass = regulator_set_bypass_regmap, .get_bypass = regulator_get_bypass_regmap, }; static const struct regulator_ops palmas_ops_ext_control_ldo = { .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, }; static const struct regulator_ops palmas_ops_extreg = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, }; static const struct regulator_ops palmas_ops_ext_control_extreg = { }; static const struct regulator_ops tps65917_ops_ldo = { .is_enabled = palmas_is_enabled_ldo, .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, .map_voltage = regulator_map_voltage_linear, .set_voltage_time_sel = regulator_set_voltage_time_sel, }; static const struct regulator_ops tps65917_ops_ldo_1_2 = { .is_enabled = palmas_is_enabled_ldo, .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, .map_voltage = regulator_map_voltage_linear, .set_voltage_time_sel = regulator_set_voltage_time_sel, .set_bypass = regulator_set_bypass_regmap, .get_bypass = regulator_get_bypass_regmap, }; static int palmas_regulator_config_external(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; int ret; ret = palmas_ext_control_req_config(palmas, rinfo->sleep_id, reg_init->roof_floor, true); if (ret < 0) dev_err(palmas->dev, "Ext control config for regulator %d failed %d\n", id, ret); return ret; } /* * setup the hardware based sleep configuration of the SMPS/LDO regulators * from the platform data. This is different to the software based control * supported by the regulator framework as it is controlled by toggling * pins on the PMIC such as PREQ, SYSEN, ... */ static int palmas_smps_init(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { unsigned int reg; int ret; struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; unsigned int addr = rinfo->ctrl_addr; ret = palmas_smps_read(palmas, addr, ®); if (ret) return ret; switch (id) { case PALMAS_REG_SMPS10_OUT1: case PALMAS_REG_SMPS10_OUT2: reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK; if (reg_init->mode_sleep) reg |= reg_init->mode_sleep << PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT; break; default: if (reg_init->warm_reset) reg |= PALMAS_SMPS12_CTRL_WR_S; else reg &= ~PALMAS_SMPS12_CTRL_WR_S; if (reg_init->roof_floor) reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN; else reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN; reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK; if (reg_init->mode_sleep) reg |= reg_init->mode_sleep << PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT; } ret = palmas_smps_write(palmas, addr, reg); if (ret) return ret; if (rinfo->vsel_addr && reg_init->vsel) { reg = reg_init->vsel; ret = palmas_smps_write(palmas, rinfo->vsel_addr, reg); if (ret) return ret; } if (reg_init->roof_floor && (id != PALMAS_REG_SMPS10_OUT1) && (id != PALMAS_REG_SMPS10_OUT2)) { /* Enable externally controlled regulator */ ret = palmas_smps_read(palmas, addr, ®); if (ret < 0) return ret; if (!(reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK)) { reg |= SMPS_CTRL_MODE_ON; ret = palmas_smps_write(palmas, addr, reg); if (ret < 0) return ret; } return palmas_regulator_config_external(palmas, id, reg_init); } return 0; } static int palmas_ldo_init(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { unsigned int reg; unsigned int addr; int ret; struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; addr = rinfo->ctrl_addr; ret = palmas_ldo_read(palmas, addr, ®); if (ret) return ret; if (reg_init->warm_reset) reg |= PALMAS_LDO1_CTRL_WR_S; else reg &= ~PALMAS_LDO1_CTRL_WR_S; if (reg_init->mode_sleep) reg |= PALMAS_LDO1_CTRL_MODE_SLEEP; else reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP; ret = palmas_ldo_write(palmas, addr, reg); if (ret) return ret; if (reg_init->roof_floor) { /* Enable externally controlled regulator */ ret = palmas_update_bits(palmas, PALMAS_LDO_BASE, addr, PALMAS_LDO1_CTRL_MODE_ACTIVE, PALMAS_LDO1_CTRL_MODE_ACTIVE); if (ret < 0) { dev_err(palmas->dev, "LDO Register 0x%02x update failed %d\n", addr, ret); return ret; } return palmas_regulator_config_external(palmas, id, reg_init); } return 0; } static int palmas_extreg_init(struct palmas *palmas, int id, struct palmas_reg_init *reg_init) { unsigned int addr; int ret; unsigned int val = 0; struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; struct palmas_regs_info *rinfo = &ddata->palmas_regs_info[id]; addr = rinfo->ctrl_addr; if (reg_init->mode_sleep) val = PALMAS_REGEN1_CTRL_MODE_SLEEP; ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val); if (ret < 0) { dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n", addr, ret); return ret; } if (reg_init->roof_floor) { /* Enable externally controlled regulator */ ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE, addr, PALMAS_REGEN1_CTRL_MODE_ACTIVE, PALMAS_REGEN1_CTRL_MODE_ACTIVE); if (ret < 0) { dev_err(palmas->dev, "Resource Register 0x%02x update failed %d\n", addr, ret); return ret; } return palmas_regulator_config_external(palmas, id, reg_init); } return 0; } static void palmas_enable_ldo8_track(struct palmas *palmas) { unsigned int reg; unsigned int addr; int ret; struct palmas_pmic_driver_data *ddata = palmas->pmic_ddata; struct palmas_regs_info *rinfo; rinfo = &ddata->palmas_regs_info[PALMAS_REG_LDO8]; addr = rinfo->ctrl_addr; ret = palmas_ldo_read(palmas, addr, ®); if (ret) { dev_err(palmas->dev, "Error in reading ldo8 control reg\n"); return; } reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN; ret = palmas_ldo_write(palmas, addr, reg); if (ret < 0) { dev_err(palmas->dev, "Error in enabling tracking mode\n"); return; } /* * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8 * output is defined by the LDO8_VOLTAGE.VSEL register divided by two, * and can be set from 0.45 to 1.65 V. */ addr = rinfo->vsel_addr; ret = palmas_ldo_read(palmas, addr, ®); if (ret) { dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n"); return; } reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK; ret = palmas_ldo_write(palmas, addr, reg); if (ret < 0) dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n"); return; } static int palmas_ldo_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, const char *pdev_name, struct regulator_config config) { int id, ret; struct regulator_dev *rdev; struct palmas_reg_init *reg_init; struct palmas_regs_info *rinfo; struct regulator_desc *desc; for (id = ddata->ldo_begin; id < ddata->max_reg; id++) { if (pdata && pdata->reg_init[id]) reg_init = pdata->reg_init[id]; else reg_init = NULL; rinfo = &ddata->palmas_regs_info[id]; /* Miss out regulators which are not available due * to alternate functions. */ /* Register the regulators */ desc = &pmic->desc[id]; desc->name = rinfo->name; desc->id = id; desc->type = REGULATOR_VOLTAGE; desc->owner = THIS_MODULE; if (id < PALMAS_REG_REGEN1) { desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES; if (reg_init && reg_init->roof_floor) desc->ops = &palmas_ops_ext_control_ldo; else desc->ops = &palmas_ops_ldo; desc->min_uV = 900000; desc->uV_step = 50000; desc->linear_min_sel = 1; desc->enable_time = 500; desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, rinfo->vsel_addr); desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK; desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, rinfo->ctrl_addr); desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE; /* Check if LDO8 is in tracking mode or not */ if (pdata && (id == PALMAS_REG_LDO8) && pdata->enable_ldo8_tracking) { palmas_enable_ldo8_track(pmic->palmas); desc->min_uV = 450000; desc->uV_step = 25000; } /* LOD6 in vibrator mode will have enable time 2000us */ if (pdata && pdata->ldo6_vibrator && (id == PALMAS_REG_LDO6)) desc->enable_time = 2000; if (id == PALMAS_REG_LDO9) { desc->ops = &palmas_ops_ldo9; desc->bypass_reg = desc->enable_reg; desc->bypass_val_on = PALMAS_LDO9_CTRL_LDO_BYPASS_EN; desc->bypass_mask = PALMAS_LDO9_CTRL_LDO_BYPASS_EN; } } else { if (!ddata->has_regen3 && id == PALMAS_REG_REGEN3) continue; desc->n_voltages = 1; if (reg_init && reg_init->roof_floor) desc->ops = &palmas_ops_ext_control_extreg; else desc->ops = &palmas_ops_extreg; desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, rinfo->ctrl_addr); desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE; } if (pdata) config.init_data = pdata->reg_data[id]; else config.init_data = NULL; desc->supply_name = rinfo->sname; config.of_node = ddata->palmas_matches[id].of_node; rdev = devm_regulator_register(pmic->dev, desc, &config); if (IS_ERR(rdev)) { dev_err(pmic->dev, "failed to register %s regulator\n", pdev_name); return PTR_ERR(rdev); } /* Save regulator for cleanup */ pmic->rdev[id] = rdev; /* Initialise sleep/init values from platform data */ if (pdata) { reg_init = pdata->reg_init[id]; if (reg_init) { if (id <= ddata->ldo_end) ret = palmas_ldo_init(pmic->palmas, id, reg_init); else ret = palmas_extreg_init(pmic->palmas, id, reg_init); if (ret) return ret; } } } return 0; } static int tps65917_ldo_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, const char *pdev_name, struct regulator_config config) { int id, ret; struct regulator_dev *rdev; struct palmas_reg_init *reg_init; struct palmas_regs_info *rinfo; struct regulator_desc *desc; for (id = ddata->ldo_begin; id < ddata->max_reg; id++) { if (pdata && pdata->reg_init[id]) reg_init = pdata->reg_init[id]; else reg_init = NULL; /* Miss out regulators which are not available due * to alternate functions. */ rinfo = &ddata->palmas_regs_info[id]; /* Register the regulators */ desc = &pmic->desc[id]; desc->name = rinfo->name; desc->id = id; desc->type = REGULATOR_VOLTAGE; desc->owner = THIS_MODULE; if (id < TPS65917_REG_REGEN1) { desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES; if (reg_init && reg_init->roof_floor) desc->ops = &palmas_ops_ext_control_ldo; else desc->ops = &tps65917_ops_ldo; desc->min_uV = 900000; desc->uV_step = 50000; desc->linear_min_sel = 1; desc->enable_time = 500; desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, rinfo->vsel_addr); desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK; desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, rinfo->ctrl_addr); desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE; /* * To be confirmed. Discussion on going with PMIC Team. * It is of the order of ~60mV/uS. */ desc->ramp_delay = 2500; if (id == TPS65917_REG_LDO1 || id == TPS65917_REG_LDO2) { desc->ops = &tps65917_ops_ldo_1_2; desc->bypass_reg = desc->enable_reg; desc->bypass_val_on = TPS65917_LDO1_CTRL_BYPASS_EN; desc->bypass_mask = TPS65917_LDO1_CTRL_BYPASS_EN; } } else { desc->n_voltages = 1; if (reg_init && reg_init->roof_floor) desc->ops = &palmas_ops_ext_control_extreg; else desc->ops = &palmas_ops_extreg; desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, rinfo->ctrl_addr); desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE; } if (pdata) config.init_data = pdata->reg_data[id]; else config.init_data = NULL; desc->supply_name = rinfo->sname; config.of_node = ddata->palmas_matches[id].of_node; rdev = devm_regulator_register(pmic->dev, desc, &config); if (IS_ERR(rdev)) { dev_err(pmic->dev, "failed to register %s regulator\n", pdev_name); return PTR_ERR(rdev); } /* Save regulator for cleanup */ pmic->rdev[id] = rdev; /* Initialise sleep/init values from platform data */ if (pdata) { reg_init = pdata->reg_init[id]; if (reg_init) { if (id < TPS65917_REG_REGEN1) ret = palmas_ldo_init(pmic->palmas, id, reg_init); else ret = palmas_extreg_init(pmic->palmas, id, reg_init); if (ret) return ret; } } } return 0; } static int palmas_smps_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, const char *pdev_name, struct regulator_config config) { int id, ret; unsigned int addr, reg; struct regulator_dev *rdev; struct palmas_reg_init *reg_init; struct palmas_regs_info *rinfo; struct regulator_desc *desc; for (id = ddata->smps_start; id <= ddata->smps_end; id++) { bool ramp_delay_support = false; /* * Miss out regulators which are not available due * to slaving configurations. */ switch (id) { case PALMAS_REG_SMPS12: case PALMAS_REG_SMPS3: if (pmic->smps123) continue; if (id == PALMAS_REG_SMPS12) ramp_delay_support = true; break; case PALMAS_REG_SMPS123: if (!pmic->smps123) continue; ramp_delay_support = true; break; case PALMAS_REG_SMPS45: case PALMAS_REG_SMPS7: if (pmic->smps457) continue; if (id == PALMAS_REG_SMPS45) ramp_delay_support = true; break; case PALMAS_REG_SMPS457: if (!pmic->smps457) continue; ramp_delay_support = true; break; case PALMAS_REG_SMPS10_OUT1: case PALMAS_REG_SMPS10_OUT2: if (!PALMAS_PMIC_HAS(pmic->palmas, SMPS10_BOOST)) continue; } rinfo = &ddata->palmas_regs_info[id]; desc = &pmic->desc[id]; if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8)) ramp_delay_support = true; if (ramp_delay_support) { addr = rinfo->tstep_addr; ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret < 0) { dev_err(pmic->dev, "reading TSTEP reg failed: %d\n", ret); return ret; } desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3]; pmic->ramp_delay[id] = desc->ramp_delay; } /* Initialise sleep/init values from platform data */ if (pdata && pdata->reg_init[id]) { reg_init = pdata->reg_init[id]; ret = palmas_smps_init(pmic->palmas, id, reg_init); if (ret) return ret; } else { reg_init = NULL; } /* Register the regulators */ desc->name = rinfo->name; desc->id = id; switch (id) { case PALMAS_REG_SMPS10_OUT1: case PALMAS_REG_SMPS10_OUT2: desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES; desc->ops = &palmas_ops_smps10; desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, PALMAS_SMPS10_CTRL); desc->vsel_mask = SMPS10_VSEL; desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, PALMAS_SMPS10_CTRL); if (id == PALMAS_REG_SMPS10_OUT1) desc->enable_mask = SMPS10_SWITCH_EN; else desc->enable_mask = SMPS10_BOOST_EN; desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, PALMAS_SMPS10_CTRL); desc->bypass_val_on = SMPS10_BYPASS_EN; desc->bypass_mask = SMPS10_BYPASS_EN; desc->min_uV = 3750000; desc->uV_step = 1250000; break; default: /* * Read and store the RANGE bit for later use * This must be done before regulator is probed, * otherwise we error in probe with unsupportable * ranges. Read the current smps mode for later use. */ addr = rinfo->vsel_addr; desc->n_linear_ranges = 3; ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret) return ret; if (reg & PALMAS_SMPS12_VOLTAGE_RANGE) pmic->range[id] = 1; if (pmic->range[id]) desc->linear_ranges = smps_high_ranges; else desc->linear_ranges = smps_low_ranges; if (reg_init && reg_init->roof_floor) desc->ops = &palmas_ops_ext_control_smps; else desc->ops = &palmas_ops_smps; desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES; desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, rinfo->vsel_addr); desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK; /* Read the smps mode for later use. */ addr = rinfo->ctrl_addr; ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret) return ret; pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, rinfo->ctrl_addr); desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; /* set_mode overrides this value */ desc->enable_val = SMPS_CTRL_MODE_ON; } desc->type = REGULATOR_VOLTAGE; desc->owner = THIS_MODULE; if (pdata) config.init_data = pdata->reg_data[id]; else config.init_data = NULL; desc->supply_name = rinfo->sname; config.of_node = ddata->palmas_matches[id].of_node; rdev = devm_regulator_register(pmic->dev, desc, &config); if (IS_ERR(rdev)) { dev_err(pmic->dev, "failed to register %s regulator\n", pdev_name); return PTR_ERR(rdev); } /* Save regulator for cleanup */ pmic->rdev[id] = rdev; } return 0; } static int tps65917_smps_registration(struct palmas_pmic *pmic, struct palmas_pmic_driver_data *ddata, struct palmas_pmic_platform_data *pdata, const char *pdev_name, struct regulator_config config) { int id, ret; unsigned int addr, reg; struct regulator_dev *rdev; struct palmas_reg_init *reg_init; struct palmas_regs_info *rinfo; struct regulator_desc *desc; for (id = ddata->smps_start; id <= ddata->smps_end; id++) { /* * Miss out regulators which are not available due * to slaving configurations. */ desc = &pmic->desc[id]; desc->n_linear_ranges = 3; if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) && pmic->smps12) continue; /* Initialise sleep/init values from platform data */ if (pdata && pdata->reg_init[id]) { reg_init = pdata->reg_init[id]; ret = palmas_smps_init(pmic->palmas, id, reg_init); if (ret) return ret; } else { reg_init = NULL; } rinfo = &ddata->palmas_regs_info[id]; /* Register the regulators */ desc->name = rinfo->name; desc->id = id; /* * Read and store the RANGE bit for later use * This must be done before regulator is probed, * otherwise we error in probe with unsupportable * ranges. Read the current smps mode for later use. */ addr = rinfo->vsel_addr; ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret) return ret; if (reg & TPS65917_SMPS1_VOLTAGE_RANGE) pmic->range[id] = 1; if (pmic->range[id]) desc->linear_ranges = smps_high_ranges; else desc->linear_ranges = smps_low_ranges; if (reg_init && reg_init->roof_floor) desc->ops = &tps65917_ops_ext_control_smps; else desc->ops = &tps65917_ops_smps; desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES; desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, rinfo->vsel_addr); desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK; desc->ramp_delay = 2500; /* Read the smps mode for later use. */ addr = rinfo->ctrl_addr; ret = palmas_smps_read(pmic->palmas, addr, ®); if (ret) return ret; pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, rinfo->ctrl_addr); desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; /* set_mode overrides this value */ desc->enable_val = SMPS_CTRL_MODE_ON; desc->type = REGULATOR_VOLTAGE; desc->owner = THIS_MODULE; if (pdata) config.init_data = pdata->reg_data[id]; else config.init_data = NULL; desc->supply_name = rinfo->sname; config.of_node = ddata->palmas_matches[id].of_node; rdev = devm_regulator_register(pmic->dev, desc, &config); if (IS_ERR(rdev)) { dev_err(pmic->dev, "failed to register %s regulator\n", pdev_name); return PTR_ERR(rdev); } /* Save regulator for cleanup */ pmic->rdev[id] = rdev; } return 0; } static struct of_regulator_match palmas_matches[] = { { .name = "smps12", }, { .name = "smps123", }, { .name = "smps3", }, { .name = "smps45", }, { .name = "smps457", }, { .name = "smps6", }, { .name = "smps7", }, { .name = "smps8", }, { .name = "smps9", }, { .name = "smps10_out2", }, { .name = "smps10_out1", }, { .name = "ldo1", }, { .name = "ldo2", }, { .name = "ldo3", }, { .name = "ldo4", }, { .name = "ldo5", }, { .name = "ldo6", }, { .name = "ldo7", }, { .name = "ldo8", }, { .name = "ldo9", }, { .name = "ldoln", }, { .name = "ldousb", }, { .name = "regen1", }, { .name = "regen2", }, { .name = "regen3", }, { .name = "sysen1", }, { .name = "sysen2", }, }; static struct of_regulator_match tps65917_matches[] = { { .name = "smps1", }, { .name = "smps2", }, { .name = "smps3", }, { .name = "smps4", }, { .name = "smps5", }, { .name = "smps12",}, { .name = "ldo1", }, { .name = "ldo2", }, { .name = "ldo3", }, { .name = "ldo4", }, { .name = "ldo5", }, { .name = "regen1", }, { .name = "regen2", }, { .name = "regen3", }, { .name = "sysen1", }, { .name = "sysen2", }, }; static struct palmas_pmic_driver_data palmas_ddata = { .smps_start = PALMAS_REG_SMPS12, .smps_end = PALMAS_REG_SMPS10_OUT1, .ldo_begin = PALMAS_REG_LDO1, .ldo_end = PALMAS_REG_LDOUSB, .max_reg = PALMAS_NUM_REGS, .has_regen3 = true, .palmas_regs_info = palmas_generic_regs_info, .palmas_matches = palmas_matches, .sleep_req_info = palma_sleep_req_info, .smps_register = palmas_smps_registration, .ldo_register = palmas_ldo_registration, }; static struct palmas_pmic_driver_data tps65917_ddata = { .smps_start = TPS65917_REG_SMPS1, .smps_end = TPS65917_REG_SMPS12, .ldo_begin = TPS65917_REG_LDO1, .ldo_end = TPS65917_REG_LDO5, .max_reg = TPS65917_NUM_REGS, .has_regen3 = true, .palmas_regs_info = tps65917_regs_info, .palmas_matches = tps65917_matches, .sleep_req_info = tps65917_sleep_req_info, .smps_register = tps65917_smps_registration, .ldo_register = tps65917_ldo_registration, }; static int palmas_dt_to_pdata(struct device *dev, struct device_node *node, struct palmas_pmic_platform_data *pdata, struct palmas_pmic_driver_data *ddata) { struct device_node *regulators; u32 prop; int idx, ret; regulators = of_get_child_by_name(node, "regulators"); if (!regulators) { dev_info(dev, "regulator node not found\n"); return 0; } ret = of_regulator_match(dev, regulators, ddata->palmas_matches, ddata->max_reg); of_node_put(regulators); if (ret < 0) { dev_err(dev, "Error parsing regulator init data: %d\n", ret); return 0; } for (idx = 0; idx < ddata->max_reg; idx++) { struct of_regulator_match *match; struct palmas_reg_init *rinit; struct device_node *np; match = &ddata->palmas_matches[idx]; np = match->of_node; if (!match->init_data || !np) continue; rinit = devm_kzalloc(dev, sizeof(*rinit), GFP_KERNEL); if (!rinit) return -ENOMEM; pdata->reg_data[idx] = match->init_data; pdata->reg_init[idx] = rinit; rinit->warm_reset = of_property_read_bool(np, "ti,warm-reset"); ret = of_property_read_u32(np, "ti,roof-floor", &prop); /* EINVAL: Property not found */ if (ret != -EINVAL) { int econtrol; /* use default value, when no value is specified */ econtrol = PALMAS_EXT_CONTROL_NSLEEP; if (!ret) { switch (prop) { case 1: econtrol = PALMAS_EXT_CONTROL_ENABLE1; break; case 2: econtrol = PALMAS_EXT_CONTROL_ENABLE2; break; case 3: econtrol = PALMAS_EXT_CONTROL_NSLEEP; break; default: WARN_ON(1); dev_warn(dev, "%s: Invalid roof-floor option: %u\n", match->name, prop); break; } } rinit->roof_floor = econtrol; } ret = of_property_read_u32(np, "ti,mode-sleep", &prop); if (!ret) rinit->mode_sleep = prop; ret = of_property_read_bool(np, "ti,smps-range"); if (ret) rinit->vsel = PALMAS_SMPS12_VOLTAGE_RANGE; if (idx == PALMAS_REG_LDO8) pdata->enable_ldo8_tracking = of_property_read_bool( np, "ti,enable-ldo8-tracking"); } pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator"); return 0; } static const struct of_device_id of_palmas_match_tbl[] = { { .compatible = "ti,palmas-pmic", .data = &palmas_ddata, }, { .compatible = "ti,twl6035-pmic", .data = &palmas_ddata, }, { .compatible = "ti,twl6036-pmic", .data = &palmas_ddata, }, { .compatible = "ti,twl6037-pmic", .data = &palmas_ddata, }, { .compatible = "ti,tps65913-pmic", .data = &palmas_ddata, }, { .compatible = "ti,tps65914-pmic", .data = &palmas_ddata, }, { .compatible = "ti,tps80036-pmic", .data = &palmas_ddata, }, { .compatible = "ti,tps659038-pmic", .data = &palmas_ddata, }, { .compatible = "ti,tps65917-pmic", .data = &tps65917_ddata, }, { /* end */ } }; static int palmas_regulators_probe(struct platform_device *pdev) { struct palmas *palmas = dev_get_drvdata(pdev->dev.parent); struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev); struct device_node *node = pdev->dev.of_node; struct palmas_pmic_driver_data *driver_data; struct regulator_config config = { }; struct palmas_pmic *pmic; const char *pdev_name; const struct of_device_id *match; int ret = 0; unsigned int reg; match = of_match_device(of_match_ptr(of_palmas_match_tbl), &pdev->dev); if (!match) return -ENODATA; driver_data = (struct palmas_pmic_driver_data *)match->data; pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return -ENOMEM; pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); if (!pmic) return -ENOMEM; if (of_device_is_compatible(node, "ti,tps659038-pmic")) { palmas_generic_regs_info[PALMAS_REG_REGEN2].ctrl_addr = TPS659038_REGEN2_CTRL; palmas_ddata.has_regen3 = false; } pmic->dev = &pdev->dev; pmic->palmas = palmas; palmas->pmic = pmic; platform_set_drvdata(pdev, pmic); pmic->palmas->pmic_ddata = driver_data; ret = palmas_dt_to_pdata(&pdev->dev, node, pdata, driver_data); if (ret) return ret; ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, ®); if (ret) return ret; if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) { pmic->smps123 = 1; pmic->smps12 = 1; } if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN) pmic->smps457 = 1; config.regmap = palmas->regmap[REGULATOR_SLAVE]; config.dev = &pdev->dev; config.driver_data = pmic; pdev_name = pdev->name; ret = driver_data->smps_register(pmic, driver_data, pdata, pdev_name, config); if (ret) return ret; ret = driver_data->ldo_register(pmic, driver_data, pdata, pdev_name, config); return ret; } static struct platform_driver palmas_driver = { .driver = { .name = "palmas-pmic", .of_match_table = of_palmas_match_tbl, }, .probe = palmas_regulators_probe, }; static int __init palmas_init(void) { return platform_driver_register(&palmas_driver); } subsys_initcall(palmas_init); static void __exit palmas_exit(void) { platform_driver_unregister(&palmas_driver); } module_exit(palmas_exit); MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>"); MODULE_DESCRIPTION("Palmas voltage regulator driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:palmas-pmic"); MODULE_DEVICE_TABLE(of, of_palmas_match_tbl);
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