1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * IMX pinmux core definitions
4 *
5 * Copyright (C) 2012 Freescale Semiconductor, Inc.
6 * Copyright (C) 2012 Linaro Ltd.
7 *
8 * Author: Dong Aisheng <dong.aisheng@linaro.org>
9 */
10
11#ifndef __DRIVERS_PINCTRL_IMX1_H
12#define __DRIVERS_PINCTRL_IMX1_H
13
14struct platform_device;
15
16/**
17 * struct imx1_pin - describes an IMX1/21/27 pin.
18 * @pin_id: ID of the described pin.
19 * @mux_id: ID of the mux setup.
20 * @config: Configuration of the pin (currently only pullup-enable).
21 */
22struct imx1_pin {
23	unsigned int pin_id;
24	unsigned int mux_id;
25	unsigned long config;
26};
27
28/**
29 * struct imx1_pin_group - describes an IMX pin group
30 * @name: the name of this specific pin group
31 * @pins: an array of imx1_pin structs used in this group
32 * @npins: the number of pins in this group array, i.e. the number of
33 *	elements in .pins so we can iterate over that array
34 */
35struct imx1_pin_group {
36	const char *name;
37	unsigned int *pin_ids;
38	struct imx1_pin *pins;
39	unsigned npins;
40};
41
42/**
43 * struct imx1_pmx_func - describes IMX pinmux functions
44 * @name: the name of this specific function
45 * @groups: corresponding pin groups
46 * @num_groups: the number of groups
47 */
48struct imx1_pmx_func {
49	const char *name;
50	const char **groups;
51	unsigned num_groups;
52};
53
54struct imx1_pinctrl_soc_info {
55	struct device *dev;
56	const struct pinctrl_pin_desc *pins;
57	unsigned int npins;
58	struct imx1_pin_group *groups;
59	unsigned int ngroups;
60	struct imx1_pmx_func *functions;
61	unsigned int nfunctions;
62};
63
64#define IMX_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin)
65
66int imx1_pinctrl_core_probe(struct platform_device *pdev,
67			struct imx1_pinctrl_soc_info *info);
68#endif /* __DRIVERS_PINCTRL_IMX1_H */
69