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 */