linux-imx

/*

 * Generic device tree based pinctrl driver for one register per pin

 * type pinmux controllers

 *

 * Copyright (C) 2012 Texas Instruments, Inc.

 *

 * This file is licensed under the terms of the GNU General Public

 * License version 2. This program is licensed "as is" without any

 * warranty of any kind, whether express or implied.

 */

​

#include <linux/init.h>

#include <linux/module.h>

#include <linux/io.h>

#include <linux/slab.h>

#include <linux/err.h>

#include <linux/list.h>

#include <linux/interrupt.h>

​

#include <linux/irqchip/chained_irq.h>

​

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/of_address.h>

#include <linux/of_irq.h>

​

#include <linux/pinctrl/pinctrl.h>

#include <linux/pinctrl/pinmux.h>

#include <linux/pinctrl/pinconf-generic.h>

​

#include <linux/platform_data/pinctrl-single.h>

​

#include "core.h"

#include "devicetree.h"

#include "pinconf.h"

#include "pinmux.h"

​

#define DRIVER_NAME         "pinctrl-single"

#define PCS_OFF_DISABLED        ~0U

​

/**

 * struct pcs_func_vals - mux function register offset and value pair

 * @reg:    register virtual address

 * @val:    register value

 */

struct pcs_func_vals {

    void __iomem *reg;

    unsigned val;

    unsigned mask;

};

​

/**

 * struct pcs_conf_vals - pinconf parameter, pinconf register offset

 * and value, enable, disable, mask

 * @param:  config parameter

 * @val:    user input bits in the pinconf register

 * @enable: enable bits in the pinconf register

 * @disable:    disable bits in the pinconf register

 * @mask:   mask bits in the register value

 */

struct pcs_conf_vals {

    enum pin_config_param param;

    unsigned val;