Commit 02716864 authored by Bhargav Raviprakash's avatar Bhargav Raviprakash Committed by Lee Jones
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mfd: tps6594-spi: Add TI TPS65224 PMIC SPI 



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

Signed-off-by: default avatarBhargav Raviprakash <bhargav.r@ltts.com>
Acked-by: default avatarJulien 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: default avatarLee Jones <lee@kernel.org>
parent f8e5fc60

drivers/mfd/tps6594-spi.c

+11 −7
Original line number Diff line number Diff line 
// 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");