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mfd: tps6594-i2c: Add TI TPS65224 PMIC I2C

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Add support for TPS65224 PMIC in TPS6594's I2C driver which has
significant functional overlap.

Signed-off-by: Bhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: Julien Panis <jpanis@baylibre.com>
Link: https://lore.kernel.org/r/0109018f2fdaecea-12513236-1059-4227-9078-7b3e0d447cc0-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Bhargav Raviprakash 2024-04-30 16:33:47 +00:00 committed by Lee Jones
parent 91fbd80064
commit f8e5fc60e6
1 changed files with 11 additions and 7 deletions
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18
drivers/mfd/tps6594-i2c.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 // SPDX-License-Identifier: GPL-2.0
/* /*
* I2C access driver for TI TPS6594/TPS6593/LP8764 PMICs * I2C access driver for TI TPS65224/TPS6594/TPS6593/LP8764 PMICs
* *
* Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/ * Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
*/ */
@ -183,7 +183,7 @@ static int tps6594_i2c_write(void *context, const void *data, size_t count)
return ret; return ret;
} }
static const struct regmap_config tps6594_i2c_regmap_config = { static struct regmap_config tps6594_i2c_regmap_config = {
.reg_bits = 16, .reg_bits = 16,
.val_bits = 8, .val_bits = 8,
.max_register = TPS6594_REG_DWD_FAIL_CNT_REG, .max_register = TPS6594_REG_DWD_FAIL_CNT_REG,
@ -196,6 +196,7 @@ static const struct of_device_id tps6594_i2c_of_match_table[] = {
{ .compatible = "ti,tps6594-q1", .data = (void *)TPS6594, }, { .compatible = "ti,tps6594-q1", .data = (void *)TPS6594, },
{ .compatible = "ti,tps6593-q1", .data = (void *)TPS6593, }, { .compatible = "ti,tps6593-q1", .data = (void *)TPS6593, },
{ .compatible = "ti,lp8764-q1", .data = (void *)LP8764, }, { .compatible = "ti,lp8764-q1", .data = (void *)LP8764, },
{ .compatible = "ti,tps65224-q1", .data = (void *)TPS65224, },
{} {}
}; };
MODULE_DEVICE_TABLE(of, tps6594_i2c_of_match_table); MODULE_DEVICE_TABLE(of, tps6594_i2c_of_match_table);
@ -216,15 +217,18 @@ static int tps6594_i2c_probe(struct i2c_client *client)
tps->reg = client->addr; tps->reg = client->addr;
tps->irq = client->irq; tps->irq = client->irq;
tps->regmap = devm_regmap_init(dev, NULL, client, &tps6594_i2c_regmap_config);
if (IS_ERR(tps->regmap))
return dev_err_probe(dev, PTR_ERR(tps->regmap), "Failed to init regmap\n");
match = of_match_device(tps6594_i2c_of_match_table, dev); match = of_match_device(tps6594_i2c_of_match_table, dev);
if (!match) if (!match)
return dev_err_probe(dev, -EINVAL, "Failed to find matching chip ID\n"); return dev_err_probe(dev, -EINVAL, "Failed to find matching chip ID\n");
tps->chip_id = (unsigned long)match->data; tps->chip_id = (unsigned long)match->data;
if (tps->chip_id == TPS65224)
tps6594_i2c_regmap_config.volatile_table = &tps65224_volatile_table;
tps->regmap = devm_regmap_init(dev, NULL, client, &tps6594_i2c_regmap_config);
if (IS_ERR(tps->regmap))
return dev_err_probe(dev, PTR_ERR(tps->regmap), "Failed to init regmap\n");
crc8_populate_msb(tps6594_i2c_crc_table, TPS6594_CRC8_POLYNOMIAL); crc8_populate_msb(tps6594_i2c_crc_table, TPS6594_CRC8_POLYNOMIAL);
return tps6594_device_init(tps, enable_crc); return tps6594_device_init(tps, enable_crc);
@ -240,5 +244,5 @@ static struct i2c_driver tps6594_i2c_driver = {
module_i2c_driver(tps6594_i2c_driver); module_i2c_driver(tps6594_i2c_driver);
MODULE_AUTHOR("Julien Panis <jpanis@baylibre.com>"); MODULE_AUTHOR("Julien Panis <jpanis@baylibre.com>");
MODULE_DESCRIPTION("TPS6594 I2C Interface Driver"); MODULE_DESCRIPTION("I2C Interface Driver for TPS65224, TPS6594/3, and LP8764");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");