--- /dev/null
+/* da9063-i2c.c: Interrupt support for Dialog DA9063
+ *
+ * Copyright 2012 Dialog Semiconductor Ltd.
+ * Copyright 2013 Philipp Zabel, Pengutronix
+ *
+ * Author: Krystian Garbaciak <krystian.garbaciak@diasemi.com>
+ *
+ * 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[] = {
+ {
+ .range_min = DA9063_REG_PAGE_CON,
+ .range_max = DA9063_AD_REG_SECOND_D,
+ }, {
+ .range_min = DA9063_REG_SEQ,
+ .range_max = DA9063_REG_ID_32_31,
+ }, {
+ .range_min = DA9063_REG_SEQ_A,
+ .range_max = DA9063_REG_AUTO3_LOW,
+ }, {
+ .range_min = DA9063_REG_T_OFFSET,
+ .range_max = DA9063_AD_REG_GP_ID_19,
+ }, {
+ .range_min = DA9063_REG_CHIP_ID,
+ .range_max = DA9063_REG_CHIP_VARIANT,
+ },
+};
+
+static const struct regmap_range da9063_ad_writeable_ranges[] = {
+ {
+ .range_min = DA9063_REG_PAGE_CON,
+ .range_max = DA9063_REG_PAGE_CON,
+ }, {
+ .range_min = DA9063_REG_FAULT_LOG,
+ .range_max = DA9063_REG_VSYS_MON,
+ }, {
+ .range_min = DA9063_REG_COUNT_S,
+ .range_max = DA9063_AD_REG_ALARM_Y,
+ }, {
+ .range_min = DA9063_REG_SEQ,
+ .range_max = DA9063_REG_ID_32_31,
+ }, {
+ .range_min = DA9063_REG_SEQ_A,
+ .range_max = DA9063_REG_AUTO3_LOW,
+ }, {
+ .range_min = DA9063_REG_CONFIG_I,
+ .range_max = DA9063_AD_REG_MON_REG_4,
+ }, {
+ .range_min = DA9063_AD_REG_GP_ID_0,
+ .range_max = DA9063_AD_REG_GP_ID_19,
+ },
+};
+
+static const struct regmap_range da9063_ad_volatile_ranges[] = {
+ {
+ .range_min = DA9063_REG_STATUS_A,
+ .range_max = DA9063_REG_EVENT_D,
+ }, {
+ .range_min = DA9063_REG_CONTROL_F,
+ .range_max = DA9063_REG_CONTROL_F,
+ }, {
+ .range_min = DA9063_REG_ADC_MAN,
+ .range_max = DA9063_REG_ADC_MAN,
+ }, {
+ .range_min = DA9063_REG_ADC_RES_L,
+ .range_max = DA9063_AD_REG_SECOND_D,
+ }, {
+ .range_min = DA9063_AD_REG_MON_REG_5,
+ .range_max = 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[] = {
+ {
+ .range_min = DA9063_REG_PAGE_CON,
+ .range_max = DA9063_BB_REG_SECOND_D,
+ }, {
+ .range_min = DA9063_REG_SEQ,
+ .range_max = DA9063_REG_ID_32_31,
+ }, {
+ .range_min = DA9063_REG_SEQ_A,
+ .range_max = DA9063_REG_AUTO3_LOW,
+ }, {
+ .range_min = DA9063_REG_T_OFFSET,
+ .range_max = DA9063_BB_REG_GP_ID_19,
+ }, {
+ .range_min = DA9063_REG_CHIP_ID,
+ .range_max = DA9063_REG_CHIP_VARIANT,
+ },
+};
+
+static const struct regmap_range da9063_bb_writeable_ranges[] = {
+ {
+ .range_min = DA9063_REG_PAGE_CON,
+ .range_max = DA9063_REG_PAGE_CON,
+ }, {
+ .range_min = DA9063_REG_FAULT_LOG,
+ .range_max = DA9063_REG_VSYS_MON,
+ }, {
+ .range_min = DA9063_REG_COUNT_S,
+ .range_max = DA9063_BB_REG_ALARM_Y,
+ }, {
+ .range_min = DA9063_REG_SEQ,
+ .range_max = DA9063_REG_ID_32_31,
+ }, {
+ .range_min = DA9063_REG_SEQ_A,
+ .range_max = DA9063_REG_AUTO3_LOW,
+ }, {
+ .range_min = DA9063_REG_CONFIG_I,
+ .range_max = DA9063_BB_REG_MON_REG_4,
+ }, {
+ .range_min = DA9063_BB_REG_GP_ID_0,
+ .range_max = DA9063_BB_REG_GP_ID_19,
+ },
+};
+
+static const struct regmap_range da9063_bb_volatile_ranges[] = {
+ {
+ .range_min = DA9063_REG_STATUS_A,
+ .range_max = DA9063_REG_EVENT_D,
+ }, {
+ .range_min = DA9063_REG_CONTROL_F,
+ .range_max = DA9063_REG_CONTROL_F,
+ }, {
+ .range_min = DA9063_REG_ADC_MAN,
+ .range_max = DA9063_REG_ADC_MAN,
+ }, {
+ .range_min = DA9063_REG_ADC_RES_L,
+ .range_max = DA9063_BB_REG_SECOND_D,
+ }, {
+ .range_min = DA9063_BB_REG_MON_REG_5,
+ .range_max = 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_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", },
+ { }
+};
+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;
+
+ 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 {
+ 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 int da9063_i2c_remove(struct i2c_client *i2c)
+{
+ struct da9063 *da9063 = i2c_get_clientdata(i2c);
+
+ da9063_device_exit(da9063);
+
+ return 0;
+}
+
+static const struct i2c_device_id da9063_i2c_id[] = {
+ {"da9063", PMIC_DA9063},
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, da9063_i2c_id);
+
+static struct i2c_driver da9063_i2c_driver = {
+ .driver = {
+ .name = "da9063",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(da9063_dt_ids),
+ },
+ .probe = da9063_i2c_probe,
+ .remove = da9063_i2c_remove,
+ .id_table = da9063_i2c_id,
+};
+
+module_i2c_driver(da9063_i2c_driver);
Code Review / kvmfornfv.git / blobdiff