linux-imx

/*

 * Abilis Systems TB10x pin control driver

 *

 * Copyright (C) Abilis Systems 2012

 *

 * Author: Christian Ruppert <christian.ruppert@abilis.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

 */

​

#include <linux/stringify.h>

#include <linux/pinctrl/pinctrl.h>

#include <linux/pinctrl/pinmux.h>

#include <linux/pinctrl/machine.h>

#include <linux/platform_device.h>

#include <linux/module.h>

#include <linux/mutex.h>

#include <linux/err.h>

#include <linux/io.h>

#include <linux/of.h>

#include <linux/slab.h>

​

#include "pinctrl-utils.h"

​

#define TB10X_PORT1 (0)

#define TB10X_PORT2 (16)

#define TB10X_PORT3 (32)

#define TB10X_PORT4 (48)

#define TB10X_PORT5 (128)

#define TB10X_PORT6 (64)

#define TB10X_PORT7 (80)

#define TB10X_PORT8 (96)

#define TB10X_PORT9 (112)

#define TB10X_GPIOS (256)

​

#define PCFG_PORT_BITWIDTH (2)

#define PCFG_PORT_MASK(PORT) \

    (((1 << PCFG_PORT_BITWIDTH) - 1) << (PCFG_PORT_BITWIDTH * (PORT)))

​

static const struct pinctrl_pin_desc tb10x_pins[] = {

    /* Port 1 */

    PINCTRL_PIN(TB10X_PORT1 +  0, "MICLK_S0"),

    PINCTRL_PIN(TB10X_PORT1 +  1, "MISTRT_S0"),

    PINCTRL_PIN(TB10X_PORT1 +  2, "MIVAL_S0"),

    PINCTRL_PIN(TB10X_PORT1 +  3, "MDI_S0"),

    PINCTRL_PIN(TB10X_PORT1 +  4, "GPIOA0"),

    PINCTRL_PIN(TB10X_PORT1 +  5, "GPIOA1"),

    PINCTRL_PIN(TB10X_PORT1 +  6, "GPIOA2"),

    PINCTRL_PIN(TB10X_PORT1 +  7, "MDI_S1"),

    PINCTRL_PIN(TB10X_PORT1 +  8, "MIVAL_S1"),

    PINCTRL_PIN(TB10X_PORT1 +  9, "MISTRT_S1"),

    PINCTRL_PIN(TB10X_PORT1 + 10, "MICLK_S1"),