Merge tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
[linux-2.6-block.git] / drivers / pinctrl / freescale / pinctrl-imx1.h
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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
18struct 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 */
26struct 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 */
39struct 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 */
52struct imx1_pmx_func {
53 const char *name;
54 const char **groups;
55 unsigned num_groups;
56};
57
58struct 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
70int imx1_pinctrl_core_probe(struct platform_device *pdev,
71 struct imx1_pinctrl_soc_info *info);
72int imx1_pinctrl_core_remove(struct platform_device *pdev);
73#endif /* __DRIVERS_PINCTRL_IMX1_H */