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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/mfd/da9063-i2c.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | drivers/mfd/da9063-i2c.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c new file mode 100644 index 000000000..50a24b192 --- /dev/null +++ b/drivers/mfd/da9063-i2c.c @@ -0,0 +1,249 @@ +/* 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); |