| Josh Cartwright | c3a973a | 2014-08-01 17:30:48 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2014, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/spmi.h> |
| 17 | #include <linux/regmap.h> |
| 18 | #include <linux/of_platform.h> |
| 19 | |
| 20 | static const struct regmap_config spmi_regmap_config = { |
| 21 | .reg_bits = 16, |
| 22 | .val_bits = 8, |
| 23 | .max_register = 0xffff, |
| 24 | .fast_io = true, |
| 25 | }; |
| 26 | |
| 27 | static int pmic_spmi_probe(struct spmi_device *sdev) |
| 28 | { |
| 29 | struct device_node *root = sdev->dev.of_node; |
| 30 | struct regmap *regmap; |
| 31 | |
| 32 | regmap = devm_regmap_init_spmi_ext(sdev, &spmi_regmap_config); |
| 33 | if (IS_ERR(regmap)) |
| 34 | return PTR_ERR(regmap); |
| 35 | |
| 36 | return of_platform_populate(root, NULL, NULL, &sdev->dev); |
| 37 | } |
| 38 | |
| 39 | static void pmic_spmi_remove(struct spmi_device *sdev) |
| 40 | { |
| 41 | of_platform_depopulate(&sdev->dev); |
| 42 | } |
| 43 | |
| 44 | static const struct of_device_id pmic_spmi_id_table[] = { |
| 45 | { .compatible = "qcom,spmi-pmic" }, |
| 46 | { .compatible = "qcom,pm8941" }, |
| 47 | { .compatible = "qcom,pm8841" }, |
| 48 | { .compatible = "qcom,pma8084" }, |
| 49 | { } |
| 50 | }; |
| 51 | MODULE_DEVICE_TABLE(of, pmic_spmi_id_table); |
| 52 | |
| 53 | static struct spmi_driver pmic_spmi_driver = { |
| 54 | .probe = pmic_spmi_probe, |
| 55 | .remove = pmic_spmi_remove, |
| 56 | .driver = { |
| 57 | .name = "pmic-spmi", |
| 58 | .of_match_table = pmic_spmi_id_table, |
| 59 | }, |
| 60 | }; |
| 61 | module_spmi_driver(pmic_spmi_driver); |
| 62 | |
| 63 | MODULE_DESCRIPTION("Qualcomm SPMI PMIC driver"); |
| 64 | MODULE_ALIAS("spmi:spmi-pmic"); |
| 65 | MODULE_LICENSE("GPL v2"); |
| 66 | MODULE_AUTHOR("Josh Cartwright <joshc@codeaurora.org>"); |
| 67 | MODULE_AUTHOR("Stanimir Varbanov <svarbanov@mm-sol.com>"); |