1796f5692SAndrew F. Davis /* 2796f5692SAndrew F. Davis * SPI access driver for TI TPS65912x PMICs 3796f5692SAndrew F. Davis * 4796f5692SAndrew F. Davis * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ 5796f5692SAndrew F. Davis * Andrew F. Davis <afd@ti.com> 6796f5692SAndrew F. Davis * 7796f5692SAndrew F. Davis * This program is free software; you can redistribute it and/or 8796f5692SAndrew F. Davis * modify it under the terms of the GNU General Public License version 2 as 9796f5692SAndrew F. Davis * published by the Free Software Foundation. 10796f5692SAndrew F. Davis * 11796f5692SAndrew F. Davis * This program is distributed "as is" WITHOUT ANY WARRANTY of any 12796f5692SAndrew F. Davis * kind, whether expressed or implied; without even the implied warranty 13796f5692SAndrew F. Davis * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14796f5692SAndrew F. Davis * GNU General Public License version 2 for more details. 15796f5692SAndrew F. Davis * 16796f5692SAndrew F. Davis * Based on the TPS65218 driver and the previous TPS65912 driver by 17796f5692SAndrew F. Davis * Margarita Olaya Cabrera <magi@slimlogic.co.uk> 18796f5692SAndrew F. Davis */ 19796f5692SAndrew F. Davis 20796f5692SAndrew F. Davis #include <linux/module.h> 21796f5692SAndrew F. Davis #include <linux/regmap.h> 22796f5692SAndrew F. Davis #include <linux/spi/spi.h> 23796f5692SAndrew F. Davis 24796f5692SAndrew F. Davis #include <linux/mfd/tps65912.h> 25796f5692SAndrew F. Davis 26796f5692SAndrew F. Davis static const struct of_device_id tps65912_spi_of_match_table[] = { 27796f5692SAndrew F. Davis { .compatible = "ti,tps65912", }, 28796f5692SAndrew F. Davis { /* sentinel */ } 29796f5692SAndrew F. Davis }; 30796f5692SAndrew F. Davis 31796f5692SAndrew F. Davis static int tps65912_spi_probe(struct spi_device *spi) 32796f5692SAndrew F. Davis { 33796f5692SAndrew F. Davis struct tps65912 *tps; 34796f5692SAndrew F. Davis 35796f5692SAndrew F. Davis tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL); 36796f5692SAndrew F. Davis if (!tps) 37796f5692SAndrew F. Davis return -ENOMEM; 38796f5692SAndrew F. Davis 39796f5692SAndrew F. Davis spi_set_drvdata(spi, tps); 40796f5692SAndrew F. Davis tps->dev = &spi->dev; 41796f5692SAndrew F. Davis tps->irq = spi->irq; 42796f5692SAndrew F. Davis 43796f5692SAndrew F. Davis tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config); 44796f5692SAndrew F. Davis if (IS_ERR(tps->regmap)) { 45796f5692SAndrew F. Davis dev_err(tps->dev, "Failed to initialize register map\n"); 46796f5692SAndrew F. Davis return PTR_ERR(tps->regmap); 47796f5692SAndrew F. Davis } 48796f5692SAndrew F. Davis 49796f5692SAndrew F. Davis return tps65912_device_init(tps); 50796f5692SAndrew F. Davis } 51796f5692SAndrew F. Davis 52796f5692SAndrew F. Davis static int tps65912_spi_remove(struct spi_device *client) 53796f5692SAndrew F. Davis { 54796f5692SAndrew F. Davis struct tps65912 *tps = spi_get_drvdata(client); 55796f5692SAndrew F. Davis 56796f5692SAndrew F. Davis return tps65912_device_exit(tps); 57796f5692SAndrew F. Davis } 58796f5692SAndrew F. Davis 59796f5692SAndrew F. Davis static const struct spi_device_id tps65912_spi_id_table[] = { 60796f5692SAndrew F. Davis { "tps65912", 0 }, 61796f5692SAndrew F. Davis { /* sentinel */ } 62796f5692SAndrew F. Davis }; 63796f5692SAndrew F. Davis MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table); 64796f5692SAndrew F. Davis 65796f5692SAndrew F. Davis static struct spi_driver tps65912_spi_driver = { 66796f5692SAndrew F. Davis .driver = { 67796f5692SAndrew F. Davis .name = "tps65912", 68796f5692SAndrew F. Davis .of_match_table = tps65912_spi_of_match_table, 69796f5692SAndrew F. Davis }, 70796f5692SAndrew F. Davis .probe = tps65912_spi_probe, 71796f5692SAndrew F. Davis .remove = tps65912_spi_remove, 72796f5692SAndrew F. Davis .id_table = tps65912_spi_id_table, 73796f5692SAndrew F. Davis }; 74796f5692SAndrew F. Davis module_spi_driver(tps65912_spi_driver); 75796f5692SAndrew F. Davis 76796f5692SAndrew F. Davis MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); 77796f5692SAndrew F. Davis MODULE_DESCRIPTION("TPS65912x SPI Interface Driver"); 78796f5692SAndrew F. Davis MODULE_LICENSE("GPL v2"); 79