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30612cd9 MP |
1 | /* |
2 | * IMX pinmux core definitions | |
3 | * | |
4 | * Copyright (C) 2012 Freescale Semiconductor, Inc. | |
5 | * Copyright (C) 2012 Linaro Ltd. | |
6 | * | |
7 | * Author: Dong Aisheng <dong.aisheng@linaro.org> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | */ | |
14 | ||
15 | #ifndef __DRIVERS_PINCTRL_IMX1_H | |
16 | #define __DRIVERS_PINCTRL_IMX1_H | |
17 | ||
18 | struct platform_device; | |
19 | ||
20 | /** | |
21 | * struct imx1_pin - describes an IMX1/21/27 pin. | |
22 | * @pin_id: ID of the described pin. | |
23 | * @mux_id: ID of the mux setup. | |
24 | * @config: Configuration of the pin (currently only pullup-enable). | |
25 | */ | |
26 | struct imx1_pin { | |
27 | unsigned int pin_id; | |
28 | unsigned int mux_id; | |
29 | unsigned long config; | |
30 | }; | |
31 | ||
32 | /** | |
33 | * struct imx1_pin_group - describes an IMX pin group | |
34 | * @name: the name of this specific pin group | |
35 | * @pins: an array of imx1_pin structs used in this group | |
36 | * @npins: the number of pins in this group array, i.e. the number of | |
37 | * elements in .pins so we can iterate over that array | |
38 | */ | |
39 | struct imx1_pin_group { | |
40 | const char *name; | |
41 | unsigned int *pin_ids; | |
42 | struct imx1_pin *pins; | |
43 | unsigned npins; | |
44 | }; | |
45 | ||
46 | /** | |
47 | * struct imx1_pmx_func - describes IMX pinmux functions | |
48 | * @name: the name of this specific function | |
49 | * @groups: corresponding pin groups | |
50 | * @num_groups: the number of groups | |
51 | */ | |
52 | struct imx1_pmx_func { | |
53 | const char *name; | |
54 | const char **groups; | |
55 | unsigned num_groups; | |
56 | }; | |
57 | ||
58 | struct imx1_pinctrl_soc_info { | |
59 | struct device *dev; | |
60 | const struct pinctrl_pin_desc *pins; | |
61 | unsigned int npins; | |
62 | struct imx1_pin_group *groups; | |
63 | unsigned int ngroups; | |
64 | struct imx1_pmx_func *functions; | |
65 | unsigned int nfunctions; | |
66 | }; | |
67 | ||
68 | #define IMX_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin) | |
69 | ||
70 | int imx1_pinctrl_core_probe(struct platform_device *pdev, | |
71 | struct imx1_pinctrl_soc_info *info); | |
72 | int imx1_pinctrl_core_remove(struct platform_device *pdev); | |
73 | #endif /* __DRIVERS_PINCTRL_IMX1_H */ |