projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 796f5692 AD |
1 | /* |
| 2 | * SPI access driver for TI TPS65912x PMICs | |
| 3 | * | |
| 4 | * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ | |
| 5 | * Andrew F. Davis <afd@ti.com> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | * | |
| 11 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
| 12 | * kind, whether expressed or implied; without even the implied warranty | |
| 13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License version 2 for more details. | |
| 15 | * | |
| 16 | * Based on the TPS65218 driver and the previous TPS65912 driver by | |
| 17 | * Margarita Olaya Cabrera <magi@slimlogic.co.uk> | |
| 18 | */ | |
| 19 | ||
| 20 | #include <linux/module.h> | |
| 21 | #include <linux/regmap.h> | |
| 22 | #include <linux/spi/spi.h> | |
| 23 | ||
| 24 | #include <linux/mfd/tps65912.h> | |
| 25 | ||
| 26 | static const struct of_device_id tps65912_spi_of_match_table[] = { | |
| 27 | { .compatible = "ti,tps65912", }, | |
| 28 | { /* sentinel */ } | |
| 29 | }; | |
| 30 | ||
| 31 | static int tps65912_spi_probe(struct spi_device *spi) | |
| 32 | { | |
| 33 | struct tps65912 *tps; | |
| 34 | ||
| 35 | tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL); | |
| 36 | if (!tps) | |
| 37 | return -ENOMEM; | |
| 38 | ||
| 39 | spi_set_drvdata(spi, tps); | |
| 40 | tps->dev = &spi->dev; | |
| 41 | tps->irq = spi->irq; | |
| 42 | ||
| 43 | tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config); | |
| 44 | if (IS_ERR(tps->regmap)) { | |
| 45 | dev_err(tps->dev, "Failed to initialize register map\n"); | |
| 46 | return PTR_ERR(tps->regmap); | |
| 47 | } | |
| 48 | ||
| 49 | return tps65912_device_init(tps); | |
| 50 | } | |
| 51 | ||
| 52 | static int tps65912_spi_remove(struct spi_device *client) | |
| 53 | { | |
| 54 | struct tps65912 *tps = spi_get_drvdata(client); | |
| 55 | ||
| 56 | return tps65912_device_exit(tps); | |
| 57 | } | |
| 58 | ||
| 59 | static const struct spi_device_id tps65912_spi_id_table[] = { | |
| 60 | { "tps65912", 0 }, | |
| 61 | { /* sentinel */ } | |
| 62 | }; | |
| 63 | MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table); | |
| 64 | ||
| 65 | static struct spi_driver tps65912_spi_driver = { | |
| 66 | .driver = { | |
| 67 | .name = "tps65912", | |
| 68 | .of_match_table = tps65912_spi_of_match_table, | |
| 69 | }, | |
| 70 | .probe = tps65912_spi_probe, | |
| 71 | .remove = tps65912_spi_remove, | |
| 72 | .id_table = tps65912_spi_id_table, | |
| 73 | }; | |
| 74 | module_spi_driver(tps65912_spi_driver); | |
| 75 | ||
| 76 | MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); | |
| 77 | MODULE_DESCRIPTION("TPS65912x SPI Interface Driver"); | |
| 78 | MODULE_LICENSE("GPL v2"); |