LXR linux/drivers/pinctrl/freescale/pinctrl-imx1.h

   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