linux-imx

/*

 * Driver for the U300 pin controller

 *

 * Based on the original U300 padmux functions

 * Copyright (C) 2009-2011 ST-Ericsson AB

 * Author: Martin Persson <martin.persson@stericsson.com>

 * Author: Linus Walleij <linus.walleij@linaro.org>

 *

 * The DB3350 design and control registers are oriented around pads rather than

 * pins, so we enumerate the pads we can mux rather than actual pins. The pads

 * are connected to different pins in different packaging types, so it would

 * be confusing.

 */

#include <linux/init.h>

#include <linux/module.h>

#include <linux/mod_devicetable.h>

#include <linux/platform_device.h>

#include <linux/io.h>

#include <linux/slab.h>

#include <linux/err.h>

#include <linux/pinctrl/pinctrl.h>

#include <linux/pinctrl/pinmux.h>

#include <linux/pinctrl/pinconf.h>

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

#include "pinctrl-coh901.h"

​

/*

 * Register definitions for the U300 Padmux control registers in the

 * system controller

 */

​

/* PAD MUX Control register 1 (LOW) 16bit (R/W) */

#define U300_SYSCON_PMC1LR                  0x007C

#define U300_SYSCON_PMC1LR_MASK                 0xFFFF

#define U300_SYSCON_PMC1LR_CDI_MASK             0xC000

#define U300_SYSCON_PMC1LR_CDI_CDI              0x0000

#define U300_SYSCON_PMC1LR_CDI_EMIF             0x4000

/* For BS335 */

#define U300_SYSCON_PMC1LR_CDI_CDI2             0x8000

#define U300_SYSCON_PMC1LR_CDI_WCDMA_APP_GPIO           0xC000

/* For BS365 */

#define U300_SYSCON_PMC1LR_CDI_GPIO             0x8000

#define U300_SYSCON_PMC1LR_CDI_WCDMA                0xC000

/* Common defs */

#define U300_SYSCON_PMC1LR_PDI_MASK             0x3000

#define U300_SYSCON_PMC1LR_PDI_PDI              0x0000

#define U300_SYSCON_PMC1LR_PDI_EGG              0x1000

#define U300_SYSCON_PMC1LR_PDI_WCDMA                0x3000

#define U300_SYSCON_PMC1LR_MMCSD_MASK               0x0C00

#define U300_SYSCON_PMC1LR_MMCSD_MMCSD              0x0000

#define U300_SYSCON_PMC1LR_MMCSD_MSPRO              0x0400

#define U300_SYSCON_PMC1LR_MMCSD_DSP                0x0800

#define U300_SYSCON_PMC1LR_MMCSD_WCDMA              0x0C00

#define U300_SYSCON_PMC1LR_ETM_MASK             0x0300

#define U300_SYSCON_PMC1LR_ETM_ACC              0x0000

#define U300_SYSCON_PMC1LR_ETM_APP              0x0100

#define U300_SYSCON_PMC1LR_EMIF_1_CS2_MASK          0x00C0

#define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC            0x0000

#define U300_SYSCON_PMC1LR_EMIF_1_CS2_NFIF          0x0040

#define U300_SYSCON_PMC1LR_EMIF_1_CS2_SDRAM         0x0080

#define U300_SYSCON_PMC1LR_EMIF_1_CS2_STATIC_2GB        0x00C0

#define U300_SYSCON_PMC1LR_EMIF_1_CS1_MASK          0x0030

#define U300_SYSCON_PMC1LR_EMIF_1_CS1_STATIC            0x0000