mirror of
https://github.com/torvalds/linux.git
synced 2024-11-10 14:11:52 +00:00
b309636b66
.probe_new() doesn't get the i2c_device_id * parameter, so determine that explicitly in the probe function. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Lee Jones <lee@kernel.org> Link: https://lore.kernel.org/r/20221118224540.619276-430-uwe@kleine-koenig.org
477 lines
16 KiB
C
477 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/* I2C support for Dialog DA9063
|
|
*
|
|
* Copyright 2012 Dialog Semiconductor Ltd.
|
|
* Copyright 2013 Philipp Zabel, Pengutronix
|
|
*
|
|
* Author: Krystian Garbaciak, Dialog Semiconductor
|
|
*/
|
|
|
|
#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/registers.h>
|
|
|
|
#include <linux/of.h>
|
|
#include <linux/regulator/of_regulator.h>
|
|
|
|
/*
|
|
* Raw I2C access required for just accessing chip and variant info before we
|
|
* know which device is present. The info read from the device using this
|
|
* approach is then used to select the correct regmap tables.
|
|
*/
|
|
|
|
#define DA9063_REG_PAGE_SIZE 0x100
|
|
#define DA9063_REG_PAGED_ADDR_MASK 0xFF
|
|
|
|
enum da9063_page_sel_buf_fmt {
|
|
DA9063_PAGE_SEL_BUF_PAGE_REG = 0,
|
|
DA9063_PAGE_SEL_BUF_PAGE_VAL,
|
|
DA9063_PAGE_SEL_BUF_SIZE,
|
|
};
|
|
|
|
enum da9063_paged_read_msgs {
|
|
DA9063_PAGED_READ_MSG_PAGE_SEL = 0,
|
|
DA9063_PAGED_READ_MSG_REG_SEL,
|
|
DA9063_PAGED_READ_MSG_DATA,
|
|
DA9063_PAGED_READ_MSG_CNT,
|
|
};
|
|
|
|
static int da9063_i2c_blockreg_read(struct i2c_client *client, u16 addr,
|
|
u8 *buf, int count)
|
|
{
|
|
struct i2c_msg xfer[DA9063_PAGED_READ_MSG_CNT];
|
|
u8 page_sel_buf[DA9063_PAGE_SEL_BUF_SIZE];
|
|
u8 page_num, paged_addr;
|
|
int ret;
|
|
|
|
/* Determine page info based on register address */
|
|
page_num = (addr / DA9063_REG_PAGE_SIZE);
|
|
if (page_num > 1) {
|
|
dev_err(&client->dev, "Invalid register address provided\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
paged_addr = (addr % DA9063_REG_PAGE_SIZE) & DA9063_REG_PAGED_ADDR_MASK;
|
|
page_sel_buf[DA9063_PAGE_SEL_BUF_PAGE_REG] = DA9063_REG_PAGE_CON;
|
|
page_sel_buf[DA9063_PAGE_SEL_BUF_PAGE_VAL] =
|
|
(page_num << DA9063_I2C_PAGE_SEL_SHIFT) & DA9063_REG_PAGE_MASK;
|
|
|
|
/* Write reg address, page selection */
|
|
xfer[DA9063_PAGED_READ_MSG_PAGE_SEL].addr = client->addr;
|
|
xfer[DA9063_PAGED_READ_MSG_PAGE_SEL].flags = 0;
|
|
xfer[DA9063_PAGED_READ_MSG_PAGE_SEL].len = DA9063_PAGE_SEL_BUF_SIZE;
|
|
xfer[DA9063_PAGED_READ_MSG_PAGE_SEL].buf = page_sel_buf;
|
|
|
|
/* Select register address */
|
|
xfer[DA9063_PAGED_READ_MSG_REG_SEL].addr = client->addr;
|
|
xfer[DA9063_PAGED_READ_MSG_REG_SEL].flags = 0;
|
|
xfer[DA9063_PAGED_READ_MSG_REG_SEL].len = sizeof(paged_addr);
|
|
xfer[DA9063_PAGED_READ_MSG_REG_SEL].buf = &paged_addr;
|
|
|
|
/* Read data */
|
|
xfer[DA9063_PAGED_READ_MSG_DATA].addr = client->addr;
|
|
xfer[DA9063_PAGED_READ_MSG_DATA].flags = I2C_M_RD;
|
|
xfer[DA9063_PAGED_READ_MSG_DATA].len = count;
|
|
xfer[DA9063_PAGED_READ_MSG_DATA].buf = buf;
|
|
|
|
ret = i2c_transfer(client->adapter, xfer, DA9063_PAGED_READ_MSG_CNT);
|
|
if (ret < 0) {
|
|
dev_err(&client->dev, "Paged block read failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
if (ret != DA9063_PAGED_READ_MSG_CNT) {
|
|
dev_err(&client->dev, "Paged block read failed to complete\n");
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
enum {
|
|
DA9063_DEV_ID_REG = 0,
|
|
DA9063_VAR_ID_REG,
|
|
DA9063_CHIP_ID_REGS,
|
|
};
|
|
|
|
static int da9063_get_device_type(struct i2c_client *i2c, struct da9063 *da9063)
|
|
{
|
|
u8 buf[DA9063_CHIP_ID_REGS];
|
|
int ret;
|
|
|
|
ret = da9063_i2c_blockreg_read(i2c, DA9063_REG_DEVICE_ID, buf,
|
|
DA9063_CHIP_ID_REGS);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (buf[DA9063_DEV_ID_REG] != PMIC_CHIP_ID_DA9063) {
|
|
dev_err(da9063->dev,
|
|
"Invalid chip device ID: 0x%02x\n",
|
|
buf[DA9063_DEV_ID_REG]);
|
|
return -ENODEV;
|
|
}
|
|
|
|
dev_info(da9063->dev,
|
|
"Device detected (chip-ID: 0x%02X, var-ID: 0x%02X)\n",
|
|
buf[DA9063_DEV_ID_REG], buf[DA9063_VAR_ID_REG]);
|
|
|
|
da9063->variant_code =
|
|
(buf[DA9063_VAR_ID_REG] & DA9063_VARIANT_ID_MRC_MASK)
|
|
>> DA9063_VARIANT_ID_MRC_SHIFT;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Variant specific regmap configs
|
|
*/
|
|
|
|
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_DEVICE_ID, DA9063_REG_VARIANT_ID),
|
|
};
|
|
|
|
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_DEVICE_ID, DA9063_REG_VARIANT_ID),
|
|
};
|
|
|
|
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_da_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_da_volatile_table = {
|
|
.yes_ranges = da9063_bb_da_volatile_ranges,
|
|
.n_yes_ranges = ARRAY_SIZE(da9063_bb_da_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_DEVICE_ID, DA9063_REG_VARIANT_ID),
|
|
};
|
|
|
|
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_da_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_da_volatile_table = {
|
|
.yes_ranges = da9063l_bb_da_volatile_ranges,
|
|
.n_yes_ranges = ARRAY_SIZE(da9063l_bb_da_volatile_ranges),
|
|
};
|
|
|
|
static const struct regmap_range da9063_da_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_11),
|
|
regmap_reg_range(DA9063_REG_DEVICE_ID, DA9063_REG_VARIANT_ID),
|
|
};
|
|
|
|
static const struct regmap_range da9063_da_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_11),
|
|
};
|
|
|
|
static const struct regmap_access_table da9063_da_readable_table = {
|
|
.yes_ranges = da9063_da_readable_ranges,
|
|
.n_yes_ranges = ARRAY_SIZE(da9063_da_readable_ranges),
|
|
};
|
|
|
|
static const struct regmap_access_table da9063_da_writeable_table = {
|
|
.yes_ranges = da9063_da_writeable_ranges,
|
|
.n_yes_ranges = ARRAY_SIZE(da9063_da_writeable_ranges),
|
|
};
|
|
|
|
static const struct regmap_range da9063l_da_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_11),
|
|
regmap_reg_range(DA9063_REG_DEVICE_ID, DA9063_REG_VARIANT_ID),
|
|
};
|
|
|
|
static const struct regmap_range da9063l_da_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_11),
|
|
};
|
|
|
|
static const struct regmap_access_table da9063l_da_readable_table = {
|
|
.yes_ranges = da9063l_da_readable_ranges,
|
|
.n_yes_ranges = ARRAY_SIZE(da9063l_da_readable_ranges),
|
|
};
|
|
|
|
static const struct regmap_access_table da9063l_da_writeable_table = {
|
|
.yes_ranges = da9063l_da_writeable_ranges,
|
|
.n_yes_ranges = ARRAY_SIZE(da9063l_da_writeable_ranges),
|
|
};
|
|
|
|
static const struct regmap_range_cfg da9063_range_cfg[] = {
|
|
{
|
|
.range_min = DA9063_REG_PAGE_CON,
|
|
.range_max = DA9063_REG_CONFIG_ID,
|
|
.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_CONFIG_ID,
|
|
|
|
.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 = i2c_client_get_device_id(i2c);
|
|
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;
|
|
|
|
ret = da9063_get_device_type(i2c, da9063);
|
|
if (ret)
|
|
return ret;
|
|
|
|
switch (da9063->type) {
|
|
case PMIC_TYPE_DA9063:
|
|
switch (da9063->variant_code) {
|
|
case 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;
|
|
break;
|
|
case PMIC_DA9063_BB:
|
|
case PMIC_DA9063_CA:
|
|
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_da_volatile_table;
|
|
break;
|
|
case PMIC_DA9063_DA:
|
|
case PMIC_DA9063_EA:
|
|
da9063_regmap_config.rd_table =
|
|
&da9063_da_readable_table;
|
|
da9063_regmap_config.wr_table =
|
|
&da9063_da_writeable_table;
|
|
da9063_regmap_config.volatile_table =
|
|
&da9063_bb_da_volatile_table;
|
|
break;
|
|
default:
|
|
dev_err(da9063->dev,
|
|
"Chip variant not supported for DA9063\n");
|
|
return -ENODEV;
|
|
}
|
|
break;
|
|
case PMIC_TYPE_DA9063L:
|
|
switch (da9063->variant_code) {
|
|
case PMIC_DA9063_BB:
|
|
case PMIC_DA9063_CA:
|
|
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_da_volatile_table;
|
|
break;
|
|
case PMIC_DA9063_DA:
|
|
case PMIC_DA9063_EA:
|
|
da9063_regmap_config.rd_table =
|
|
&da9063l_da_readable_table;
|
|
da9063_regmap_config.wr_table =
|
|
&da9063l_da_writeable_table;
|
|
da9063_regmap_config.volatile_table =
|
|
&da9063l_bb_da_volatile_table;
|
|
break;
|
|
default:
|
|
dev_err(da9063->dev,
|
|
"Chip variant not supported for DA9063L\n");
|
|
return -ENODEV;
|
|
}
|
|
break;
|
|
default:
|
|
dev_err(da9063->dev, "Chip type not supported\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/* If SMBus is not available and only I2C is possible, enter I2C mode */
|
|
if (i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) {
|
|
ret = regmap_clear_bits(da9063->regmap, DA9063_REG_CONFIG_J,
|
|
DA9063_TWOWIRE_TO);
|
|
if (ret < 0) {
|
|
dev_err(da9063->dev, "Failed to set Two-Wire Bus Mode.\n");
|
|
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 = da9063_dt_ids,
|
|
},
|
|
.probe_new = da9063_i2c_probe,
|
|
.id_table = da9063_i2c_id,
|
|
};
|
|
|
|
module_i2c_driver(da9063_i2c_driver);
|