linux-imx

/*

 * MFD driver for TWL6040 audio device

 *

 * Authors: Misael Lopez Cruz <misael.lopez@ti.com>

 *      Jorge Eduardo Candelaria <jorge.candelaria@ti.com>

 *      Peter Ujfalusi <peter.ujfalusi@ti.com>

 *

 * Copyright:   (C) 2011 Texas Instruments, Inc.

 *

 * 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., 51 Franklin St, Fifth Floor, Boston, MA

 * 02110-1301 USA

 *

 */

​

#include <linux/module.h>

#include <linux/types.h>

#include <linux/slab.h>

#include <linux/kernel.h>

#include <linux/err.h>

#include <linux/platform_device.h>

#include <linux/of.h>

#include <linux/of_irq.h>

#include <linux/of_gpio.h>

#include <linux/of_platform.h>

#include <linux/gpio.h>

#include <linux/delay.h>

#include <linux/i2c.h>

#include <linux/regmap.h>

#include <linux/mfd/core.h>

#include <linux/mfd/twl6040.h>

#include <linux/regulator/consumer.h>

​

#define VIBRACTRL_MEMBER(reg) ((reg == TWL6040_REG_VIBCTLL) ? 0 : 1)

#define TWL6040_NUM_SUPPLIES    (2)

​

static const struct reg_default twl6040_defaults[] = {

    { 0x01, 0x4B }, /* REG_ASICID   (ro) */

    { 0x02, 0x00 }, /* REG_ASICREV  (ro) */

    { 0x03, 0x00 }, /* REG_INTID    */

    { 0x04, 0x00 }, /* REG_INTMR    */

    { 0x05, 0x00 }, /* REG_NCPCTRL  */

    { 0x06, 0x00 }, /* REG_LDOCTL   */

    { 0x07, 0x60 }, /* REG_HPPLLCTL */

    { 0x08, 0x00 }, /* REG_LPPLLCTL */

    { 0x09, 0x4A }, /* REG_LPPLLDIV */

    { 0x0A, 0x00 }, /* REG_AMICBCTL */

    { 0x0B, 0x00 }, /* REG_DMICBCTL */

    { 0x0C, 0x00 }, /* REG_MICLCTL  */

    { 0x0D, 0x00 }, /* REG_MICRCTL  */

    { 0x0E, 0x00 }, /* REG_MICGAIN  */

    { 0x0F, 0x1B }, /* REG_LINEGAIN */

    { 0x10, 0x00 }, /* REG_HSLCTL   */

    { 0x11, 0x00 }, /* REG_HSRCTL   */

    { 0x12, 0x00 }, /* REG_HSGAIN   */

    { 0x13, 0x00 }, /* REG_EARCTL   */

    { 0x14, 0x00 }, /* REG_HFLCTL   */

    { 0x15, 0x00 }, /* REG_HFLGAIN  */

    { 0x16, 0x00 }, /* REG_HFRCTL   */

    { 0x17, 0x00 }, /* REG_HFRGAIN  */

    { 0x18, 0x00 }, /* REG_VIBCTLL  */

    { 0x19, 0x00 }, /* REG_VIBDATL  */

    { 0x1A, 0x00 }, /* REG_VIBCTLR  */

    { 0x1B, 0x00 }, /* REG_VIBDATR  */

    { 0x1C, 0x00 }, /* REG_HKCTL1   */

    { 0x1D, 0x00 }, /* REG_HKCTL2   */

    { 0x1E, 0x00 }, /* REG_GPOCTL   */

    { 0x1F, 0x00 }, /* REG_ALB  */

    { 0x20, 0x00 }, /* REG_DLB  */

    /* 0x28, REG_TRIM1 */

    /* 0x29, REG_TRIM2 */

    /* 0x2A, REG_TRIM3 */

    /* 0x2B, REG_HSOTRIM */

    /* 0x2C, REG_HFOTRIM */

    { 0x2D, 0x08 }, /* REG_ACCCTL   */

    { 0x2E, 0x00 }, /* REG_STATUS   (ro) */

};

​

static struct reg_sequence twl6040_patch[] = {

    /*

     * Select I2C bus access to dual access registers

     * Interrupt register is cleared on read