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 14 struct 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 */ 22 struct 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 */ 35 struct 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 */ 48 struct imx1_pmx_func { 49 const char *name; 50 const char **groups; 51 unsigned num_groups; 52 }; 53 54 struct 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 66 int imx1_pinctrl_core_probe(struct platform_device *pdev, 67 struct imx1_pinctrl_soc_info *info); 68 #endif /* __DRIVERS_PINCTRL_IMX1_H */ 69