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c3a973a7 JC |
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>"); |