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79 lines
2.2 KiB
79 lines
2.2 KiB
/* |
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* SPI access driver for TI TPS65912x PMICs |
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* |
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* Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ |
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* Andrew F. Davis <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any |
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* kind, whether expressed or implied; without even the implied warranty |
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License version 2 for more details. |
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* |
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* Based on the TPS65218 driver and the previous TPS65912 driver by |
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* Margarita Olaya Cabrera <[email protected]> |
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*/ |
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#include <linux/module.h> |
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#include <linux/regmap.h> |
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#include <linux/spi/spi.h> |
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#include <linux/mfd/tps65912.h> |
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static const struct of_device_id tps65912_spi_of_match_table[] = { |
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{ .compatible = "ti,tps65912", }, |
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{ /* sentinel */ } |
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}; |
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MODULE_DEVICE_TABLE(of, tps65912_spi_of_match_table); |
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static int tps65912_spi_probe(struct spi_device *spi) |
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{ |
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struct tps65912 *tps; |
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tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL); |
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if (!tps) |
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return -ENOMEM; |
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spi_set_drvdata(spi, tps); |
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tps->dev = &spi->dev; |
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tps->irq = spi->irq; |
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tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config); |
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if (IS_ERR(tps->regmap)) { |
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dev_err(tps->dev, "Failed to initialize register map\n"); |
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return PTR_ERR(tps->regmap); |
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} |
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return tps65912_device_init(tps); |
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} |
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static int tps65912_spi_remove(struct spi_device *spi) |
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{ |
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struct tps65912 *tps = spi_get_drvdata(spi); |
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return tps65912_device_exit(tps); |
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} |
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static const struct spi_device_id tps65912_spi_id_table[] = { |
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{ "tps65912", 0 }, |
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{ /* sentinel */ } |
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}; |
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MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table); |
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static struct spi_driver tps65912_spi_driver = { |
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.driver = { |
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.name = "tps65912", |
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.of_match_table = tps65912_spi_of_match_table, |
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}, |
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.probe = tps65912_spi_probe, |
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.remove = tps65912_spi_remove, |
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.id_table = tps65912_spi_id_table, |
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}; |
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module_spi_driver(tps65912_spi_driver); |
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MODULE_AUTHOR("Andrew F. Davis <[email protected]>"); |
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MODULE_DESCRIPTION("TPS65912x SPI Interface Driver"); |
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MODULE_LICENSE("GPL v2");
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