Add support for TPS65224 PMIC in TPS6594's I2C driver which has significant functional overlap. Signed-off-by: Bhargav Raviprakash <bhargav.r@xxxxxxxx> --- drivers/mfd/tps6594-i2c.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/mfd/tps6594-i2c.c b/drivers/mfd/tps6594-i2c.c index c125b474b..4ab91c34d 100644 --- a/drivers/mfd/tps6594-i2c.c +++ b/drivers/mfd/tps6594-i2c.c @@ -1,6 +1,6 @@ // 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/ */ @@ -183,7 +183,7 @@ static int tps6594_i2c_write(void *context, const void *data, size_t count) return ret; } -static const struct regmap_config tps6594_i2c_regmap_config = { +static struct regmap_config tps6594_i2c_regmap_config = { .reg_bits = 16, .val_bits = 8, .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,tps6593-q1", .data = (void *)TPS6593, }, { .compatible = "ti,lp8764-q1", .data = (void *)LP8764, }, + { .compatible = "ti,tps65224-q1", .data = (void *)TPS65224, }, {} }; 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->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); if (!match) return dev_err_probe(dev, -EINVAL, "Failed to find matching chip ID\n"); 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); 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_AUTHOR("Julien Panis <jpanis@xxxxxxxxxxxx>"); -MODULE_DESCRIPTION("TPS6594 I2C Interface Driver"); +MODULE_DESCRIPTION("I2C Interface Driver for TPS65224, TPS6594/3, and LP8764"); MODULE_LICENSE("GPL"); -- 2.25.1
