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 18 struct 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 */ 26 struct 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 */ 39 struct 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 */ 52 struct imx1_pmx_func { 53 const char *name; 54 const char **groups; 55 unsigned num_groups; 56 }; 57 58 struct 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 70 int imx1_pinctrl_core_probe(struct platform_device *pdev, 71 struct imx1_pinctrl_soc_info *info); 72 #endif /* __DRIVERS_PINCTRL_IMX1_H */ 73