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| author |  Bhargav Raviprakash <bhargav.r@ltts.com>
| 2024-04-30 16:35:23 +0000 |
|---|---|---|
| committer |  Lee Jones <lee@kernel.org>
| 2024-05-03 10:07:04 +0100 |
| commit | 02716864fd5a53e057dcecdb36c807be6494120c (patch) | |
| tree | 78f7a87273f70c37b6fdae4b4b0876ae75be0046 /drivers/mfd | |
| parent | mfd: tps6594-i2c: Add TI TPS65224 PMIC I2C (diff) | |
| download | linux-02716864fd5a53e057dcecdb36c807be6494120c.tar.gz linux-02716864fd5a53e057dcecdb36c807be6494120c.tar.bz2 linux-02716864fd5a53e057dcecdb36c807be6494120c.zip | |
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: 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>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/tps6594-spi.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/mfd/tps6594-spi.c b/drivers/mfd/tps6594-spi.c index 5afb1736f0ae..6ebccb79f0cc 100644 --- a/drivers/mfd/tps6594-spi.c +++ b/drivers/mfd/tps6594-spi.c @@ -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"); |