mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 12:43:55 +08:00
30612cd900
Core driver for register formats of imx1/imx21/imx27 processors. The pins of those processors are grouped into ports. Each port has 32 pins. The pins mux configuration is controlled by registers with 1 or 2 bit per pin, depending on the specific control register. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
|
|
* 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 */
|