pinctrl-imx.h

Go to the documentation of this file.

/*
 * IMX pinmux core definitions
 *
 * Copyright (C) 2012 Freescale Semiconductor, Inc.
 * Copyright (C) 2012 Linaro Ltd.
 *
 * Author: Dong Aisheng <[email protected]>
 *
 * 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_IMX_H
#define __DRIVERS_PINCTRL_IMX_H

struct platform_device;

struct imx_pin_group {
    const char *name;
    unsigned int *pins;
    unsigned npins;
    unsigned int *mux_mode;
    unsigned long *configs;
};

struct imx_pmx_func {
    const char *name;
    const char **groups;
    unsigned num_groups;
};

struct imx_pin_reg {
    u16 pid;
    u16 mux_reg;
    u16 conf_reg;
    u8 mux_mode;
    u16 input_reg;
    u8 input_val;
};

struct imx_pinctrl_soc_info {
    struct device *dev;
    const struct pinctrl_pin_desc *pins;
    unsigned int npins;
    const struct imx_pin_reg *pin_regs;
    unsigned int npin_regs;
    struct imx_pin_group *groups;
    unsigned int ngroups;
    struct imx_pmx_func *functions;
    unsigned int nfunctions;
};

#define NO_MUX      0x0
#define NO_PAD      0x0

#define IMX_PIN_REG(id, conf, mux, mode, input, val)    \
    {                       \
        .pid = id,              \
        .conf_reg = conf,           \
        .mux_reg = mux,             \
        .mux_mode  = mode,          \
        .input_reg = input,         \
        .input_val = val,           \
    }

#define IMX_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin)

#define PAD_CTL_MASK(len)   ((1 << len) - 1)
#define IMX_MUX_MASK    0x7
#define IOMUXC_CONFIG_SION  (0x1 << 4)

int imx_pinctrl_probe(struct platform_device *pdev,
            struct imx_pinctrl_soc_info *info);
int imx_pinctrl_remove(struct platform_device *pdev);
#endif /* __DRIVERS_PINCTRL_IMX_H */