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mfd: tps6594-spi: Add TI TPS65224 PMIC SPI

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Add support for TPS65224 PMIC in TPS6594's SPI 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/0109018f2fdc6328-6d13785c-9832-471b-bdfe-fb1dac3bdc60-000000@ap-south-1.amazonses.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Bhargav Raviprakash 2024-04-30 16:35:23 +00:00 committed by Lee Jones
parent f8e5fc60e6
commit 02716864fd
1 changed files with 11 additions and 7 deletions
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18
drivers/mfd/tps6594-spi.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
* SPI access driver for TI TPS6594/TPS6593/LP8764 PMICs
* SPI access driver for TI TPS65224/TPS6594/TPS6593/LP8764 PMICs
*
* Copyright (C) 2023 BayLibre Incorporated - https://www.baylibre.com/
*/
@ -66,7 +66,7 @@ static int tps6594_spi_reg_write(void *context, unsigned int reg, unsigned int v
return spi_write(spi, buf, count);
}
static const struct regmap_config tps6594_spi_regmap_config = {
static struct regmap_config tps6594_spi_regmap_config = {
.reg_bits = 16,
.val_bits = 8,
.max_register = TPS6594_REG_DWD_FAIL_CNT_REG,
@ -81,6 +81,7 @@ static const struct of_device_id tps6594_spi_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_spi_of_match_table);
@ -101,15 +102,18 @@ static int tps6594_spi_probe(struct spi_device *spi)
tps->reg = spi_get_chipselect(spi, 0);
tps->irq = spi->irq;
tps->regmap = devm_regmap_init(dev, NULL, spi, &tps6594_spi_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_spi_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_spi_regmap_config.volatile_table = &tps65224_volatile_table;
tps->regmap = devm_regmap_init(dev, NULL, spi, &tps6594_spi_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_spi_crc_table, TPS6594_CRC8_POLYNOMIAL);
return tps6594_device_init(tps, enable_crc);
@ -125,5 +129,5 @@ static struct spi_driver tps6594_spi_driver = {
module_spi_driver(tps6594_spi_driver);
MODULE_AUTHOR("Julien Panis <jpanis@baylibre.com>");
MODULE_DESCRIPTION("TPS6594 SPI Interface Driver");
MODULE_DESCRIPTION("SPI Interface Driver for TPS65224, TPS6594/3, and LP8764");
MODULE_LICENSE("GPL");