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linux-next/drivers/pinctrl/freescale/pinctrl-imx1.h
Fabio Estevam c2b39deced pinctrl: freescale: Switch to SPDX identifier
Adopt the SPDX license identifier headers to ease license compliance
management.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-05-24 09:32:58 +02:00

69 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* IMX pinmux core definitions
*
* Copyright (C) 2012 Freescale Semiconductor, Inc.
* Copyright (C) 2012 Linaro Ltd.
*
* Author: Dong Aisheng <dong.aisheng@linaro.org>
*/
#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);
#endif /* __DRIVERS_PINCTRL_IMX1_H */