diff options
Diffstat (limited to 'drivers/regulator/da9062-regulator.c')
| -rw-r--r-- | drivers/regulator/da9062-regulator.c | 398 |
1 files changed, 167 insertions, 231 deletions
diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c index 34a70d9dc450..e0c96f10e570 100644 --- a/drivers/regulator/da9062-regulator.c +++ b/drivers/regulator/da9062-regulator.c @@ -1,17 +1,8 @@ -/* - * Regulator device driver for DA9061 and DA9062. - * Copyright (C) 2015-2017 Dialog Semiconductor - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// Regulator device driver for DA9061 and DA9062. +// Copyright (C) 2015-2017 Dialog Semiconductor + #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -25,6 +16,7 @@ #include <linux/regulator/of_regulator.h> #include <linux/mfd/da9062/core.h> #include <linux/mfd/da9062/registers.h> +#include <dt-bindings/regulator/dlg,da9063-regulator.h> /* Regulator IDs */ enum { @@ -53,16 +45,12 @@ enum { /* Regulator capabilities and registers description */ struct da9062_regulator_info { struct regulator_desc desc; - /* Current limiting */ - unsigned int n_current_limits; - const int *current_limits; /* Main register fields */ struct reg_field mode; struct reg_field suspend; struct reg_field sleep; struct reg_field suspend_sleep; unsigned int suspend_vsel_reg; - struct reg_field ilimit; /* Event detection bit */ struct reg_field oc_event; }; @@ -78,7 +66,6 @@ struct da9062_regulator { struct regmap_field *suspend; struct regmap_field *sleep; struct regmap_field *suspend_sleep; - struct regmap_field *ilimit; }; /* Encapsulates all information for the regulators driver */ @@ -86,15 +73,7 @@ struct da9062_regulators { int irq_ldo_lim; unsigned n_regulators; /* Array size to be defined during init. Keep at end. */ - struct da9062_regulator regulator[0]; -}; - -/* BUCK modes */ -enum { - BUCK_MODE_MANUAL, /* 0 */ - BUCK_MODE_SLEEP, /* 1 */ - BUCK_MODE_SYNC, /* 2 */ - BUCK_MODE_AUTO /* 3 */ + struct da9062_regulator regulator[] __counted_by(n_regulators); }; /* Regulator operations */ @@ -104,7 +83,7 @@ enum { * - DA9062_ID_[BUCK1|BUCK2|BUCK4] * Entry indexes corresponds to register values. */ -static const int da9062_buck_a_limits[] = { +static const unsigned int da9062_buck_a_limits[] = { 500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000, 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000 }; @@ -114,42 +93,23 @@ static const int da9062_buck_a_limits[] = { * - DA9062_ID_BUCK3 * Entry indexes corresponds to register values. */ -static const int da9062_buck_b_limits[] = { +static const unsigned int da9062_buck_b_limits[] = { 1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000, 2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000 }; -static int da9062_set_current_limit(struct regulator_dev *rdev, - int min_ua, int max_ua) +static unsigned int da9062_map_buck_mode(unsigned int mode) { - struct da9062_regulator *regl = rdev_get_drvdata(rdev); - const struct da9062_regulator_info *rinfo = regl->info; - int n, tval; - - for (n = 0; n < rinfo->n_current_limits; n++) { - tval = rinfo->current_limits[n]; - if (tval >= min_ua && tval <= max_ua) - return regmap_field_write(regl->ilimit, n); + switch (mode) { + case DA9063_BUCK_MODE_SLEEP: + return REGULATOR_MODE_STANDBY; + case DA9063_BUCK_MODE_SYNC: + return REGULATOR_MODE_FAST; + case DA9063_BUCK_MODE_AUTO: + return REGULATOR_MODE_NORMAL; + default: + return REGULATOR_MODE_INVALID; } - - return -EINVAL; -} - -static int da9062_get_current_limit(struct regulator_dev *rdev) -{ - struct da9062_regulator *regl = rdev_get_drvdata(rdev); - const struct da9062_regulator_info *rinfo = regl->info; - unsigned int sel; - int ret; - - ret = regmap_field_read(regl->ilimit, &sel); - if (ret < 0) - return ret; - - if (sel >= rinfo->n_current_limits) - sel = rinfo->n_current_limits - 1; - - return rinfo->current_limits[sel]; } static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode) @@ -159,13 +119,13 @@ static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode) switch (mode) { case REGULATOR_MODE_FAST: - val = BUCK_MODE_SYNC; + val = DA9063_BUCK_MODE_SYNC; break; case REGULATOR_MODE_NORMAL: - val = BUCK_MODE_AUTO; + val = DA9063_BUCK_MODE_AUTO; break; case REGULATOR_MODE_STANDBY: - val = BUCK_MODE_SLEEP; + val = DA9063_BUCK_MODE_SLEEP; break; default: return -EINVAL; @@ -183,8 +143,7 @@ static int da9062_buck_set_mode(struct regulator_dev *rdev, unsigned mode) static unsigned da9062_buck_get_mode(struct regulator_dev *rdev) { struct da9062_regulator *regl = rdev_get_drvdata(rdev); - struct regmap_field *field; - unsigned int val, mode = 0; + unsigned int val; int ret; ret = regmap_field_read(regl->mode, &val); @@ -193,39 +152,24 @@ static unsigned da9062_buck_get_mode(struct regulator_dev *rdev) switch (val) { default: - case BUCK_MODE_MANUAL: - mode = REGULATOR_MODE_FAST | REGULATOR_MODE_STANDBY; /* Sleep flag bit decides the mode */ break; - case BUCK_MODE_SLEEP: + case DA9063_BUCK_MODE_SLEEP: return REGULATOR_MODE_STANDBY; - case BUCK_MODE_SYNC: + case DA9063_BUCK_MODE_SYNC: return REGULATOR_MODE_FAST; - case BUCK_MODE_AUTO: + case DA9063_BUCK_MODE_AUTO: return REGULATOR_MODE_NORMAL; } - /* Detect current regulator state */ - ret = regmap_field_read(regl->suspend, &val); + ret = regmap_field_read(regl->sleep, &val); if (ret < 0) return 0; - /* Read regulator mode from proper register, depending on state */ if (val) - field = regl->suspend_sleep; - else - field = regl->sleep; - - ret = regmap_field_read(field, &val); - if (ret < 0) - return 0; - - if (val) - mode &= REGULATOR_MODE_STANDBY; + return REGULATOR_MODE_STANDBY; else - mode &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_FAST; - - return mode; + return REGULATOR_MODE_FAST; } /* @@ -255,21 +199,9 @@ static int da9062_ldo_set_mode(struct regulator_dev *rdev, unsigned mode) static unsigned da9062_ldo_get_mode(struct regulator_dev *rdev) { struct da9062_regulator *regl = rdev_get_drvdata(rdev); - struct regmap_field *field; int ret, val; - /* Detect current regulator state */ - ret = regmap_field_read(regl->suspend, &val); - if (ret < 0) - return 0; - - /* Read regulator mode from proper register, depending on state */ - if (val) - field = regl->suspend_sleep; - else - field = regl->sleep; - - ret = regmap_field_read(field, &val); + ret = regmap_field_read(regl->sleep, &val); if (ret < 0) return 0; @@ -353,13 +285,13 @@ static int da9062_buck_set_suspend_mode(struct regulator_dev *rdev, switch (mode) { case REGULATOR_MODE_FAST: - val = BUCK_MODE_SYNC; + val = DA9063_BUCK_MODE_SYNC; break; case REGULATOR_MODE_NORMAL: - val = BUCK_MODE_AUTO; + val = DA9063_BUCK_MODE_AUTO; break; case REGULATOR_MODE_STANDBY: - val = BUCK_MODE_SLEEP; + val = DA9063_BUCK_MODE_SLEEP; break; default: return -EINVAL; @@ -395,8 +327,8 @@ static const struct regulator_ops da9062_buck_ops = { .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .list_voltage = regulator_list_voltage_linear, - .set_current_limit = da9062_set_current_limit, - .get_current_limit = da9062_get_current_limit, + .set_current_limit = regulator_set_current_limit_regmap, + .get_current_limit = regulator_get_current_limit_regmap, .set_mode = da9062_buck_set_mode, .get_mode = da9062_buck_get_mode, .get_status = da9062_buck_get_status, @@ -433,13 +365,16 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.min_uV = (300) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1570) - (300))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_C, + .desc.csel_mask = DA9062AA_BUCK1_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK1_CONT, .desc.enable_mask = DA9062AA_BUCK1_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK1_A, .desc.vsel_mask = DA9062AA_VBUCK1_A_MASK, .desc.linear_min_sel = 0, + .desc.of_map_mode = da9062_map_buck_mode, .sleep = REG_FIELD(DA9062AA_VBUCK1_A, __builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -453,14 +388,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK1_CONT, + __builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, - __builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1), }, { .desc.id = DA9061_ID_BUCK2, @@ -471,13 +402,16 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.min_uV = (800) * 1000, .desc.uV_step = (20) * 1000, .desc.n_voltages = ((3340) - (800))/(20) + 1, - .current_limits = da9062_buck_b_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), + .desc.curr_table = da9062_buck_b_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_A, + .desc.csel_mask = DA9062AA_BUCK3_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK3_CONT, .desc.enable_mask = DA9062AA_BUCK3_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK3_A, .desc.vsel_mask = DA9062AA_VBUCK3_A_MASK, .desc.linear_min_sel = 0, + .desc.of_map_mode = da9062_map_buck_mode, .sleep = REG_FIELD(DA9062AA_VBUCK3_A, __builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -491,14 +425,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A, - __builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK3_CONT, + __builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1), }, { .desc.id = DA9061_ID_BUCK3, @@ -509,13 +439,16 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.min_uV = (530) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1800) - (530))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_B, + .desc.csel_mask = DA9062AA_BUCK4_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK4_CONT, .desc.enable_mask = DA9062AA_BUCK4_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK4_A, .desc.vsel_mask = DA9062AA_VBUCK4_A_MASK, .desc.linear_min_sel = 0, + .desc.of_map_mode = da9062_map_buck_mode, .sleep = REG_FIELD(DA9062AA_VBUCK4_A, __builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -529,14 +462,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK4_CONT, + __builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B, - __builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1), }, { .desc.id = DA9061_ID_LDO1, @@ -546,12 +475,13 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.ops = &da9062_ldo_ops, .desc.min_uV = (900) * 1000, .desc.uV_step = (50) * 1000, - .desc.n_voltages = ((3600) - (900))/(50) + 1, + .desc.n_voltages = ((3600) - (900))/(50) + 1 + + DA9062AA_VLDO_A_MIN_SEL, .desc.enable_reg = DA9062AA_LDO1_CONT, .desc.enable_mask = DA9062AA_LDO1_EN_MASK, .desc.vsel_reg = DA9062AA_VLDO1_A, .desc.vsel_mask = DA9062AA_VLDO1_A_MASK, - .desc.linear_min_sel = 0, + .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, .sleep = REG_FIELD(DA9062AA_VLDO1_A, __builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -561,10 +491,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO1_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO1_CONT, + __builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -578,12 +508,13 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.ops = &da9062_ldo_ops, .desc.min_uV = (900) * 1000, .desc.uV_step = (50) * 1000, - .desc.n_voltages = ((3600) - (600))/(50) + 1, + .desc.n_voltages = ((3600) - (900))/(50) + 1 + + DA9062AA_VLDO_A_MIN_SEL, .desc.enable_reg = DA9062AA_LDO2_CONT, .desc.enable_mask = DA9062AA_LDO2_EN_MASK, .desc.vsel_reg = DA9062AA_VLDO2_A, .desc.vsel_mask = DA9062AA_VLDO2_A_MASK, - .desc.linear_min_sel = 0, + .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, .sleep = REG_FIELD(DA9062AA_VLDO2_A, __builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -593,10 +524,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO2_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO2_CONT, + __builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -610,12 +541,13 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.ops = &da9062_ldo_ops, .desc.min_uV = (900) * 1000, .desc.uV_step = (50) * 1000, - .desc.n_voltages = ((3600) - (900))/(50) + 1, + .desc.n_voltages = ((3600) - (900))/(50) + 1 + + DA9062AA_VLDO_A_MIN_SEL, .desc.enable_reg = DA9062AA_LDO3_CONT, .desc.enable_mask = DA9062AA_LDO3_EN_MASK, .desc.vsel_reg = DA9062AA_VLDO3_A, .desc.vsel_mask = DA9062AA_VLDO3_A_MASK, - .desc.linear_min_sel = 0, + .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, .sleep = REG_FIELD(DA9062AA_VLDO3_A, __builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -625,10 +557,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO3_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO3_CONT, + __builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -642,12 +574,13 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { .desc.ops = &da9062_ldo_ops, .desc.min_uV = (900) * 1000, .desc.uV_step = (50) * 1000, - .desc.n_voltages = ((3600) - (900))/(50) + 1, + .desc.n_voltages = ((3600) - (900))/(50) + 1 + + DA9062AA_VLDO_A_MIN_SEL, .desc.enable_reg = DA9062AA_LDO4_CONT, .desc.enable_mask = DA9062AA_LDO4_EN_MASK, .desc.vsel_reg = DA9062AA_VLDO4_A, .desc.vsel_mask = DA9062AA_VLDO4_A_MASK, - .desc.linear_min_sel = 0, + .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, .sleep = REG_FIELD(DA9062AA_VLDO4_A, __builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -657,10 +590,10 @@ static const struct da9062_regulator_info local_da9061_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO4_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO4_CONT, + __builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -679,13 +612,16 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.min_uV = (300) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1570) - (300))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_C, + .desc.csel_mask = DA9062AA_BUCK1_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK1_CONT, .desc.enable_mask = DA9062AA_BUCK1_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK1_A, .desc.vsel_mask = DA9062AA_VBUCK1_A_MASK, .desc.linear_min_sel = 0, + .desc.of_map_mode = da9062_map_buck_mode, .sleep = REG_FIELD(DA9062AA_VBUCK1_A, __builtin_ffs((int)DA9062AA_BUCK1_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -699,14 +635,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK1_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK1_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK1_SEL_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK1_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, - __builtin_ffs((int)DA9062AA_BUCK1_ILIM_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK1_CONT, + __builtin_ffs((int)DA9062AA_BUCK1_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK1_ILIM_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK1_CONF_MASK) - 1), }, { .desc.id = DA9062_ID_BUCK2, @@ -717,13 +649,16 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.min_uV = (300) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1570) - (300))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_C, + .desc.csel_mask = DA9062AA_BUCK2_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK2_CONT, .desc.enable_mask = DA9062AA_BUCK2_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK2_A, .desc.vsel_mask = DA9062AA_VBUCK2_A_MASK, .desc.linear_min_sel = 0, + .desc.of_map_mode = da9062_map_buck_mode, .sleep = REG_FIELD(DA9062AA_VBUCK2_A, __builtin_ffs((int)DA9062AA_BUCK2_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -737,14 +672,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK2_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK2_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK2_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK2_CONT, + __builtin_ffs((int)DA9062AA_BUCK2_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK2_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_C, - __builtin_ffs((int)DA9062AA_BUCK2_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK2_ILIM_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK2_CONF_MASK) - 1), }, { .desc.id = DA9062_ID_BUCK3, @@ -755,13 +686,16 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.min_uV = (800) * 1000, .desc.uV_step = (20) * 1000, .desc.n_voltages = ((3340) - (800))/(20) + 1, - .current_limits = da9062_buck_b_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), + .desc.curr_table = da9062_buck_b_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_b_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_A, + .desc.csel_mask = DA9062AA_BUCK3_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK3_CONT, .desc.enable_mask = DA9062AA_BUCK3_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK3_A, .desc.vsel_mask = DA9062AA_VBUCK3_A_MASK, .desc.linear_min_sel = 0, + .desc.of_map_mode = da9062_map_buck_mode, .sleep = REG_FIELD(DA9062AA_VBUCK3_A, __builtin_ffs((int)DA9062AA_BUCK3_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -775,14 +709,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK3_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK3_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK3_SEL_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK3_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_A, - __builtin_ffs((int)DA9062AA_BUCK3_ILIM_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK3_CONT, + __builtin_ffs((int)DA9062AA_BUCK3_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK3_ILIM_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK3_CONF_MASK) - 1), }, { .desc.id = DA9062_ID_BUCK4, @@ -793,13 +723,16 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.min_uV = (530) * 1000, .desc.uV_step = (10) * 1000, .desc.n_voltages = ((1800) - (530))/(10) + 1, - .current_limits = da9062_buck_a_limits, - .n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.curr_table = da9062_buck_a_limits, + .desc.n_current_limits = ARRAY_SIZE(da9062_buck_a_limits), + .desc.csel_reg = DA9062AA_BUCK_ILIM_B, + .desc.csel_mask = DA9062AA_BUCK4_ILIM_MASK, .desc.enable_reg = DA9062AA_BUCK4_CONT, .desc.enable_mask = DA9062AA_BUCK4_EN_MASK, .desc.vsel_reg = DA9062AA_VBUCK4_A, .desc.vsel_mask = DA9062AA_VBUCK4_A_MASK, .desc.linear_min_sel = 0, + .desc.of_map_mode = da9062_map_buck_mode, .sleep = REG_FIELD(DA9062AA_VBUCK4_A, __builtin_ffs((int)DA9062AA_BUCK4_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -813,14 +746,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { __builtin_ffs((int)DA9062AA_BUCK4_MODE_MASK) - 1, sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_BUCK4_MODE_MASK)) - 1), - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VBUCK4_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_BUCK4_CONT, + __builtin_ffs((int)DA9062AA_BUCK4_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VBUCK4_SEL_MASK)) - 1), - .ilimit = REG_FIELD(DA9062AA_BUCK_ILIM_B, - __builtin_ffs((int)DA9062AA_BUCK4_ILIM_MASK) - 1, - sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_BUCK4_ILIM_MASK)) - 1), + __builtin_clz(DA9062AA_BUCK4_CONF_MASK) - 1), }, { .desc.id = DA9062_ID_LDO1, @@ -830,12 +759,13 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.ops = &da9062_ldo_ops, .desc.min_uV = (900) * 1000, .desc.uV_step = (50) * 1000, - .desc.n_voltages = ((3600) - (900))/(50) + 1, + .desc.n_voltages = ((3600) - (900))/(50) + 1 + + DA9062AA_VLDO_A_MIN_SEL, .desc.enable_reg = DA9062AA_LDO1_CONT, .desc.enable_mask = DA9062AA_LDO1_EN_MASK, .desc.vsel_reg = DA9062AA_VLDO1_A, .desc.vsel_mask = DA9062AA_VLDO1_A_MASK, - .desc.linear_min_sel = 0, + .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, .sleep = REG_FIELD(DA9062AA_VLDO1_A, __builtin_ffs((int)DA9062AA_LDO1_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -845,10 +775,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO1_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO1_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO1_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO1_CONT, + __builtin_ffs((int)DA9062AA_LDO1_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO1_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO1_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO1_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -862,12 +792,13 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.ops = &da9062_ldo_ops, .desc.min_uV = (900) * 1000, .desc.uV_step = (50) * 1000, - .desc.n_voltages = ((3600) - (600))/(50) + 1, + .desc.n_voltages = ((3600) - (900))/(50) + 1 + + DA9062AA_VLDO_A_MIN_SEL, .desc.enable_reg = DA9062AA_LDO2_CONT, .desc.enable_mask = DA9062AA_LDO2_EN_MASK, .desc.vsel_reg = DA9062AA_VLDO2_A, .desc.vsel_mask = DA9062AA_VLDO2_A_MASK, - .desc.linear_min_sel = 0, + .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, .sleep = REG_FIELD(DA9062AA_VLDO2_A, __builtin_ffs((int)DA9062AA_LDO2_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -877,10 +808,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO2_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO2_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO2_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO2_CONT, + __builtin_ffs((int)DA9062AA_LDO2_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO2_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO2_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO2_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -894,12 +825,13 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.ops = &da9062_ldo_ops, .desc.min_uV = (900) * 1000, .desc.uV_step = (50) * 1000, - .desc.n_voltages = ((3600) - (900))/(50) + 1, + .desc.n_voltages = ((3600) - (900))/(50) + 1 + + DA9062AA_VLDO_A_MIN_SEL, .desc.enable_reg = DA9062AA_LDO3_CONT, .desc.enable_mask = DA9062AA_LDO3_EN_MASK, .desc.vsel_reg = DA9062AA_VLDO3_A, .desc.vsel_mask = DA9062AA_VLDO3_A_MASK, - .desc.linear_min_sel = 0, + .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, .sleep = REG_FIELD(DA9062AA_VLDO3_A, __builtin_ffs((int)DA9062AA_LDO3_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -909,10 +841,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO3_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO3_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO3_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO3_CONT, + __builtin_ffs((int)DA9062AA_LDO3_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO3_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO3_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO3_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -926,12 +858,13 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { .desc.ops = &da9062_ldo_ops, .desc.min_uV = (900) * 1000, .desc.uV_step = (50) * 1000, - .desc.n_voltages = ((3600) - (900))/(50) + 1, + .desc.n_voltages = ((3600) - (900))/(50) + 1 + + DA9062AA_VLDO_A_MIN_SEL, .desc.enable_reg = DA9062AA_LDO4_CONT, .desc.enable_mask = DA9062AA_LDO4_EN_MASK, .desc.vsel_reg = DA9062AA_VLDO4_A, .desc.vsel_mask = DA9062AA_VLDO4_A_MASK, - .desc.linear_min_sel = 0, + .desc.linear_min_sel = DA9062AA_VLDO_A_MIN_SEL, .sleep = REG_FIELD(DA9062AA_VLDO4_A, __builtin_ffs((int)DA9062AA_LDO4_SL_A_MASK) - 1, sizeof(unsigned int) * 8 - @@ -941,10 +874,10 @@ static const struct da9062_regulator_info local_da9062_regulator_info[] = { sizeof(unsigned int) * 8 - __builtin_clz((DA9062AA_LDO4_SL_B_MASK)) - 1), .suspend_vsel_reg = DA9062AA_VLDO4_B, - .suspend = REG_FIELD(DA9062AA_DVC_1, - __builtin_ffs((int)DA9062AA_VLDO4_SEL_MASK) - 1, + .suspend = REG_FIELD(DA9062AA_LDO4_CONT, + __builtin_ffs((int)DA9062AA_LDO4_CONF_MASK) - 1, sizeof(unsigned int) * 8 - - __builtin_clz((DA9062AA_VLDO4_SEL_MASK)) - 1), + __builtin_clz(DA9062AA_LDO4_CONF_MASK) - 1), .oc_event = REG_FIELD(DA9062AA_STATUS_D, __builtin_ffs((int)DA9062AA_LDO4_ILIM_MASK) - 1, sizeof(unsigned int) * 8 - @@ -991,8 +924,7 @@ static int da9062_regulator_probe(struct platform_device *pdev) struct da9062_regulator *regl; struct regulator_config config = { }; const struct da9062_regulator_info *rinfo; - int irq, n, ret; - size_t size; + int n, ret; int max_regulators; switch (chip->chip_type) { @@ -1010,17 +942,15 @@ static int da9062_regulator_probe(struct platform_device *pdev) } /* Allocate memory required by usable regulators */ - size = sizeof(struct da9062_regulators) + - max_regulators * sizeof(struct da9062_regulator); - regulators = devm_kzalloc(&pdev->dev, size, GFP_KERNEL); + regulators = devm_kzalloc(&pdev->dev, struct_size(regulators, regulator, + max_regulators), GFP_KERNEL); if (!regulators) return -ENOMEM; regulators->n_regulators = max_regulators; platform_set_drvdata(pdev, regulators); - n = 0; - while (n < regulators->n_regulators) { + for (n = 0; n < regulators->n_regulators; n++) { /* Initialise regulator structure */ regl = ®ulators->regulator[n]; regl->hw = chip; @@ -1029,31 +959,41 @@ static int da9062_regulator_probe(struct platform_device *pdev) regl->desc.type = REGULATOR_VOLTAGE; regl->desc.owner = THIS_MODULE; - if (regl->info->mode.reg) + if (regl->info->mode.reg) { regl->mode = devm_regmap_field_alloc( &pdev->dev, chip->regmap, regl->info->mode); - if (regl->info->suspend.reg) + if (IS_ERR(regl->mode)) + return PTR_ERR(regl->mode); + } + + if (regl->info->suspend.reg) { regl->suspend = devm_regmap_field_alloc( &pdev->dev, chip->regmap, regl->info->suspend); - if (regl->info->sleep.reg) + if (IS_ERR(regl->suspend)) + return PTR_ERR(regl->suspend); + } + + if (regl->info->sleep.reg) { regl->sleep = devm_regmap_field_alloc( &pdev->dev, chip->regmap, regl->info->sleep); - if (regl->info->suspend_sleep.reg) + if (IS_ERR(regl->sleep)) + return PTR_ERR(regl->sleep); + } + + if (regl->info->suspend_sleep.reg) { regl->suspend_sleep = devm_regmap_field_alloc( &pdev->dev, chip->regmap, regl->info->suspend_sleep); - if (regl->info->ilimit.reg) - regl->ilimit = devm_regmap_field_alloc( - &pdev->dev, - chip->regmap, - regl->info->ilimit); + if (IS_ERR(regl->suspend_sleep)) + return PTR_ERR(regl->suspend_sleep); + } /* Register regulator */ memset(&config, 0, sizeof(config)); @@ -1069,19 +1009,14 @@ static int da9062_regulator_probe(struct platform_device *pdev) regl->desc.name); return PTR_ERR(regl->rdev); } - - n++; } /* LDOs overcurrent event support */ - irq = platform_get_irq_byname(pdev, "LDO_LIM"); - if (irq < 0) { - dev_err(&pdev->dev, "Failed to get IRQ.\n"); - return irq; - } - regulators->irq_ldo_lim = irq; + regulators->irq_ldo_lim = platform_get_irq_byname_optional(pdev, "LDO_LIM"); + if (regulators->irq_ldo_lim < 0) + return 0; - ret = devm_request_threaded_irq(&pdev->dev, irq, + ret = devm_request_threaded_irq(&pdev->dev, regulators->irq_ldo_lim, NULL, da9062_ldo_lim_event, IRQF_TRIGGER_LOW | IRQF_ONESHOT, "LDO_LIM", regulators); @@ -1097,6 +1032,7 @@ static int da9062_regulator_probe(struct platform_device *pdev) static struct platform_driver da9062_regulator_driver = { .driver = { .name = "da9062-regulators", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = da9062_regulator_probe, }; |
