| /* da9063-i2c.c: Interrupt support for Dialog DA9063 |
| * |
| * Copyright 2012 Dialog Semiconductor Ltd. |
| * Copyright 2013 Philipp Zabel, Pengutronix |
| * |
| * Author: Krystian Garbaciak, 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. |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/i2c.h> |
| #include <linux/regmap.h> |
| #include <linux/delay.h> |
| #include <linux/slab.h> |
| #include <linux/err.h> |
| |
| #include <linux/mfd/core.h> |
| #include <linux/mfd/da9063/core.h> |
| #include <linux/mfd/da9063/pdata.h> |
| #include <linux/mfd/da9063/registers.h> |
| |
| #include <linux/of.h> |
| #include <linux/regulator/of_regulator.h> |
| |
| static const struct regmap_range da9063_ad_readable_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_AD_REG_SECOND_D), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31), |
| regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW), |
| regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_AD_REG_GP_ID_19), |
| regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT), |
| }; |
| |
| static const struct regmap_range da9063_ad_writeable_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON), |
| regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON), |
| regmap_reg_range(DA9063_REG_COUNT_S, DA9063_AD_REG_ALARM_Y), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31), |
| regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW), |
| regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_AD_REG_MON_REG_4), |
| regmap_reg_range(DA9063_AD_REG_GP_ID_0, DA9063_AD_REG_GP_ID_19), |
| }; |
| |
| static const struct regmap_range da9063_ad_volatile_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D), |
| regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B), |
| regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F), |
| regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT), |
| regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN), |
| regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_AD_REG_SECOND_D), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ), |
| regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K), |
| regmap_reg_range(DA9063_AD_REG_MON_REG_5, DA9063_AD_REG_MON_REG_6), |
| }; |
| |
| static const struct regmap_access_table da9063_ad_readable_table = { |
| .yes_ranges = da9063_ad_readable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063_ad_readable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9063_ad_writeable_table = { |
| .yes_ranges = da9063_ad_writeable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063_ad_writeable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9063_ad_volatile_table = { |
| .yes_ranges = da9063_ad_volatile_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063_ad_volatile_ranges), |
| }; |
| |
| static const struct regmap_range da9063_bb_readable_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_BB_REG_SECOND_D), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31), |
| regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW), |
| regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19), |
| regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT), |
| }; |
| |
| static const struct regmap_range da9063_bb_writeable_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON), |
| regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON), |
| regmap_reg_range(DA9063_REG_COUNT_S, DA9063_BB_REG_ALARM_Y), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31), |
| regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW), |
| regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4), |
| regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19), |
| }; |
| |
| static const struct regmap_range da9063_bb_volatile_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D), |
| regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B), |
| regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F), |
| regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT), |
| regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN), |
| regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_BB_REG_SECOND_D), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ), |
| regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K), |
| regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6), |
| }; |
| |
| static const struct regmap_access_table da9063_bb_readable_table = { |
| .yes_ranges = da9063_bb_readable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063_bb_readable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9063_bb_writeable_table = { |
| .yes_ranges = da9063_bb_writeable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063_bb_writeable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9063_bb_volatile_table = { |
| .yes_ranges = da9063_bb_volatile_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063_bb_volatile_ranges), |
| }; |
| |
| static const struct regmap_range da9063l_bb_readable_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_MON_A10_RES), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31), |
| regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW), |
| regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19), |
| regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT), |
| }; |
| |
| static const struct regmap_range da9063l_bb_writeable_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON), |
| regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31), |
| regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW), |
| regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4), |
| regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19), |
| }; |
| |
| static const struct regmap_range da9063l_bb_volatile_ranges[] = { |
| regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D), |
| regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B), |
| regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F), |
| regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT), |
| regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN), |
| regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_REG_MON_A10_RES), |
| regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ), |
| regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K), |
| regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6), |
| }; |
| |
| static const struct regmap_access_table da9063l_bb_readable_table = { |
| .yes_ranges = da9063l_bb_readable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063l_bb_readable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9063l_bb_writeable_table = { |
| .yes_ranges = da9063l_bb_writeable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063l_bb_writeable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9063l_bb_volatile_table = { |
| .yes_ranges = da9063l_bb_volatile_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9063l_bb_volatile_ranges), |
| }; |
| |
| static const struct regmap_range_cfg da9063_range_cfg[] = { |
| { |
| .range_min = DA9063_REG_PAGE_CON, |
| .range_max = DA9063_REG_CHIP_VARIANT, |
| .selector_reg = DA9063_REG_PAGE_CON, |
| .selector_mask = 1 << DA9063_I2C_PAGE_SEL_SHIFT, |
| .selector_shift = DA9063_I2C_PAGE_SEL_SHIFT, |
| .window_start = 0, |
| .window_len = 256, |
| } |
| }; |
| |
| static struct regmap_config da9063_regmap_config = { |
| .reg_bits = 8, |
| .val_bits = 8, |
| .ranges = da9063_range_cfg, |
| .num_ranges = ARRAY_SIZE(da9063_range_cfg), |
| .max_register = DA9063_REG_CHIP_VARIANT, |
| |
| .cache_type = REGCACHE_RBTREE, |
| }; |
| |
| static const struct of_device_id da9063_dt_ids[] = { |
| { .compatible = "dlg,da9063", }, |
| { .compatible = "dlg,da9063l", }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, da9063_dt_ids); |
| static int da9063_i2c_probe(struct i2c_client *i2c, |
| const struct i2c_device_id *id) |
| { |
| struct da9063 *da9063; |
| int ret; |
| |
| da9063 = devm_kzalloc(&i2c->dev, sizeof(struct da9063), GFP_KERNEL); |
| if (da9063 == NULL) |
| return -ENOMEM; |
| |
| i2c_set_clientdata(i2c, da9063); |
| da9063->dev = &i2c->dev; |
| da9063->chip_irq = i2c->irq; |
| da9063->type = id->driver_data; |
| |
| if (da9063->variant_code == PMIC_DA9063_AD) { |
| da9063_regmap_config.rd_table = &da9063_ad_readable_table; |
| da9063_regmap_config.wr_table = &da9063_ad_writeable_table; |
| da9063_regmap_config.volatile_table = &da9063_ad_volatile_table; |
| } else if (da9063->type == PMIC_TYPE_DA9063L) { |
| da9063_regmap_config.rd_table = &da9063l_bb_readable_table; |
| da9063_regmap_config.wr_table = &da9063l_bb_writeable_table; |
| da9063_regmap_config.volatile_table = &da9063l_bb_volatile_table; |
| } else { |
| da9063_regmap_config.rd_table = &da9063_bb_readable_table; |
| da9063_regmap_config.wr_table = &da9063_bb_writeable_table; |
| da9063_regmap_config.volatile_table = &da9063_bb_volatile_table; |
| } |
| |
| da9063->regmap = devm_regmap_init_i2c(i2c, &da9063_regmap_config); |
| if (IS_ERR(da9063->regmap)) { |
| ret = PTR_ERR(da9063->regmap); |
| dev_err(da9063->dev, "Failed to allocate register map: %d\n", |
| ret); |
| return ret; |
| } |
| |
| return da9063_device_init(da9063, i2c->irq); |
| } |
| |
| static const struct i2c_device_id da9063_i2c_id[] = { |
| { "da9063", PMIC_TYPE_DA9063 }, |
| { "da9063l", PMIC_TYPE_DA9063L }, |
| {}, |
| }; |
| MODULE_DEVICE_TABLE(i2c, da9063_i2c_id); |
| |
| static struct i2c_driver da9063_i2c_driver = { |
| .driver = { |
| .name = "da9063", |
| .of_match_table = of_match_ptr(da9063_dt_ids), |
| }, |
| .probe = da9063_i2c_probe, |
| .id_table = da9063_i2c_id, |
| }; |
| |
| module_i2c_driver(da9063_i2c_driver); |