linux-imx

/*

 * linux/drivers/mfd/aat2870-core.c

 *

 * Copyright (c) 2011, NVIDIA Corporation.

 * Author: Jin Park <jinyoungp@nvidia.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., 51 Franklin St, Fifth Floor, Boston, MA

 * 02110-1301 USA

 */

​

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/debugfs.h>

#include <linux/slab.h>

#include <linux/uaccess.h>

#include <linux/i2c.h>

#include <linux/delay.h>

#include <linux/gpio.h>

#include <linux/mfd/core.h>

#include <linux/mfd/aat2870.h>

#include <linux/regulator/machine.h>

​

static struct aat2870_register aat2870_regs[AAT2870_REG_NUM] = {

    /* readable, writeable, value */

    { 0, 1, 0x00 }, /* 0x00 AAT2870_BL_CH_EN */

    { 0, 1, 0x16 }, /* 0x01 AAT2870_BLM */

    { 0, 1, 0x16 }, /* 0x02 AAT2870_BLS */

    { 0, 1, 0x56 }, /* 0x03 AAT2870_BL1 */

    { 0, 1, 0x56 }, /* 0x04 AAT2870_BL2 */

    { 0, 1, 0x56 }, /* 0x05 AAT2870_BL3 */

    { 0, 1, 0x56 }, /* 0x06 AAT2870_BL4 */

    { 0, 1, 0x56 }, /* 0x07 AAT2870_BL5 */

    { 0, 1, 0x56 }, /* 0x08 AAT2870_BL6 */

    { 0, 1, 0x56 }, /* 0x09 AAT2870_BL7 */

    { 0, 1, 0x56 }, /* 0x0A AAT2870_BL8 */

    { 0, 1, 0x00 }, /* 0x0B AAT2870_FLR */

    { 0, 1, 0x03 }, /* 0x0C AAT2870_FM */

    { 0, 1, 0x03 }, /* 0x0D AAT2870_FS */

    { 0, 1, 0x10 }, /* 0x0E AAT2870_ALS_CFG0 */

    { 0, 1, 0x06 }, /* 0x0F AAT2870_ALS_CFG1 */

    { 0, 1, 0x00 }, /* 0x10 AAT2870_ALS_CFG2 */

    { 1, 0, 0x00 }, /* 0x11 AAT2870_AMB */

    { 0, 1, 0x00 }, /* 0x12 AAT2870_ALS0 */

    { 0, 1, 0x00 }, /* 0x13 AAT2870_ALS1 */

    { 0, 1, 0x00 }, /* 0x14 AAT2870_ALS2 */

    { 0, 1, 0x00 }, /* 0x15 AAT2870_ALS3 */

    { 0, 1, 0x00 }, /* 0x16 AAT2870_ALS4 */

    { 0, 1, 0x00 }, /* 0x17 AAT2870_ALS5 */

    { 0, 1, 0x00 }, /* 0x18 AAT2870_ALS6 */

    { 0, 1, 0x00 }, /* 0x19 AAT2870_ALS7 */

    { 0, 1, 0x00 }, /* 0x1A AAT2870_ALS8 */

    { 0, 1, 0x00 }, /* 0x1B AAT2870_ALS9 */

    { 0, 1, 0x00 }, /* 0x1C AAT2870_ALSA */

    { 0, 1, 0x00 }, /* 0x1D AAT2870_ALSB */

    { 0, 1, 0x00 }, /* 0x1E AAT2870_ALSC */

    { 0, 1, 0x00 }, /* 0x1F AAT2870_ALSD */

    { 0, 1, 0x00 }, /* 0x20 AAT2870_ALSE */

    { 0, 1, 0x00 }, /* 0x21 AAT2870_ALSF */

    { 0, 1, 0x00 }, /* 0x22 AAT2870_SUB_SET */

    { 0, 1, 0x00 }, /* 0x23 AAT2870_SUB_CTRL */

    { 0, 1, 0x00 }, /* 0x24 AAT2870_LDO_AB */

    { 0, 1, 0x00 }, /* 0x25 AAT2870_LDO_CD */

    { 0, 1, 0x00 }, /* 0x26 AAT2870_LDO_EN */

};

​

static struct mfd_cell aat2870_devs[] = {

    {

        .name = "aat2870-backlight",

        .id = AAT2870_ID_BL,

        .pdata_size = sizeof(struct aat2870_bl_platform_data),

    },

    {

        .name = "aat2870-regulator",

        .id = AAT2870_ID_LDOA,

        .pdata_size = sizeof(struct regulator_init_data),

    },

    {

        .name = "aat2870-regulator",

        .id = AAT2870_ID_LDOB,

        .pdata_size = sizeof(struct regulator_init_data),

    },