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kernel/linux-imx6_3.14.28/drivers/pinctrl/pinctrl-imx1.h 1.92 KB
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  /*
   * IMX pinmux core definitions
   *
   * Copyright (C) 2012 Freescale Semiconductor, Inc.
   * Copyright (C) 2012 Linaro Ltd.
   *
   * Author: Dong Aisheng <dong.aisheng@linaro.org>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  
  #ifndef __DRIVERS_PINCTRL_IMX1_H
  #define __DRIVERS_PINCTRL_IMX1_H
  
  struct platform_device;
  
  /**
   * struct imx1_pin - describes an IMX1/21/27 pin.
   * @pin_id: ID of the described pin.
   * @mux_id: ID of the mux setup.
   * @config: Configuration of the pin (currently only pullup-enable).
   */
  struct imx1_pin {
  	unsigned int pin_id;
  	unsigned int mux_id;
  	unsigned long config;
  };
  
  /**
   * struct imx1_pin_group - describes an IMX pin group
   * @name: the name of this specific pin group
   * @pins: an array of imx1_pin structs used in this group
   * @npins: the number of pins in this group array, i.e. the number of
   *	elements in .pins so we can iterate over that array
   */
  struct imx1_pin_group {
  	const char *name;
  	unsigned int *pin_ids;
  	struct imx1_pin *pins;
  	unsigned npins;
  };
  
  /**
   * struct imx1_pmx_func - describes IMX pinmux functions
   * @name: the name of this specific function
   * @groups: corresponding pin groups
   * @num_groups: the number of groups
   */
  struct imx1_pmx_func {
  	const char *name;
  	const char **groups;
  	unsigned num_groups;
  };
  
  struct imx1_pinctrl_soc_info {
  	struct device *dev;
  	const struct pinctrl_pin_desc *pins;
  	unsigned int npins;
  	struct imx1_pin_group *groups;
  	unsigned int ngroups;
  	struct imx1_pmx_func *functions;
  	unsigned int nfunctions;
  };
  
  #define IMX_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin)
  
  int imx1_pinctrl_core_probe(struct platform_device *pdev,
  			struct imx1_pinctrl_soc_info *info);
  int imx1_pinctrl_core_remove(struct platform_device *pdev);
  #endif /* __DRIVERS_PINCTRL_IMX1_H */