From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755682Ab2D3I54 (ORCPT ); Mon, 30 Apr 2012 04:57:56 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:32807 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751441Ab2D3I5y (ORCPT ); Mon, 30 Apr 2012 04:57:54 -0400 X-AuditID: cbfee60f-b7b17ae000001e78-3a-4f9e54092a5c Date: Mon, 30 Apr 2012 08:57:45 +0000 (GMT) From: =?euc-kr?B?x9S47cHW?= Subject: Re: [PATCH] MFD : add MAX77686 mfd driver To: =?euc-kr?Q?=C0=CC=C1=BE=C8=AD?= , "sameo@linux.intel.com" Cc: "linux-kernel@vger.kernel.org" , =?euc-kr?Q?=C3=D6=C2=F9=BF=EC?= , =?euc-kr?Q?=BA=AF=C4=A1=BF=F5?= , =?euc-kr?Q?=B9=DA=B0=E6=B9=CE?= Reply-to: myungjoo.ham@samsung.com MIME-version: 1.0 X-MTR: 20120430085548277@myungjoo.ham Msgkey: 20120430085548277@myungjoo.ham X-EPLocale: ko_KR.euc-kr X-Priority: 3 X-EPWebmail-Msg-Type: personal X-EPWebmail-Reply-Demand: 0 X-EPApproval-Locale: X-EPHeader: ML X-EPTrCode: X-EPTrName: X-MLAttribute: X-RootMTR: 20120430085548277@myungjoo.ham X-ParentMTR: Content-type: text/plain; charset=euc-kr MIME-version: 1.0 Message-id: <5850065.69661335776264689.JavaMail.weblogic@epml25> X-Brightmail-Tracker: AAAAAA== X-TM-AS-MML: No Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id q3U8w4wJ006467 > From: Chiwoong byun > > This driver is for MAXIM 77686 mfd chip. > It contains RTC, PMIC on it. > They share same I2C bus and included in this mfd driver. > > Signed-off-by: Jonghwa Lee > Signed-off-by: Kyungmin Park > Signed-off-by: MyungJoo Ham > --- > drivers/mfd/Kconfig | 11 + > drivers/mfd/Makefile | 1 + > drivers/mfd/max77686-irq.c | 343 ++++++++++++++++++++++++++++ > drivers/mfd/max77686.c | 407 ++++++++++++++++++++++++++++++++++ > include/linux/mfd/max77686-private.h | 259 +++++++++++++++++++++ > include/linux/mfd/max77686.h | 137 ++++++++++++ > 6 files changed, 1158 insertions(+), 0 deletions(-) > create mode 100644 drivers/mfd/max77686-irq.c > create mode 100644 drivers/mfd/max77686.c > create mode 100644 include/linux/mfd/max77686-private.h > create mode 100644 include/linux/mfd/max77686.h > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index 13a1789..998356f 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -441,6 +441,17 @@ config MFD_MAX8998 > additional drivers must be enabled in order to use the functionality > of the device. > > +config MFD_MAX77686 > + bool "Maxim Semiconductor MAX77686 PMIC Support" > + depends on I2C=y && GENERIC_HARDIRQS > + select MFD_CORE > + help > + Say yes here to support for Maxim Semiconductor MAX77686. > + This is a Power Management IC with RTC on chip. > + This driver provides common support for accessing the device; > + additional drivers must be enabled in order to use the functionality > + of the device. > + > config MFD_S5M_CORE > bool "SAMSUNG S5M Series Support" > depends on I2C=y && GENERIC_HARDIRQS > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile > index ddd9fa7..d93a7a6 100644 > --- a/drivers/mfd/Makefile > +++ b/drivers/mfd/Makefile > @@ -80,6 +80,7 @@ obj-$(CONFIG_MFD_MAX8925) += max8925.o > obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o > obj-$(CONFIG_MFD_MAX8998) += max8998.o max8998-irq.o > obj-$(CONFIG_MFD_MAX77693) += max77693.o max77693-irq.o > +obj-$(CONFIG_MFD_MAX77693) += max77686.o max77686-irq.o WAIT! correct CONFIG_MFD_MAX77693 to CONFIG_MFD_MAX77686 > > pcf50633-objs := pcf50633-core.o pcf50633-irq.o > obj-$(CONFIG_MFD_PCF50633) += pcf50633.o > diff --git a/drivers/mfd/max77686-irq.c b/drivers/mfd/max77686-irq.c > new file mode 100644 > index 0000000..c086da3 > --- /dev/null > +++ b/drivers/mfd/max77686-irq.c > @@ -0,0 +1,343 @@ > +/* > + * max77686-irq.c - Interrupt controller support for MAX77686 > + * > + * Copyright (C) 2012 Samsung Electronics Co.Ltd > + * Chiwoong Byun > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * 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 > + * > + * This driver is based on max8997-irq.c > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > + > +#undef MAX77686_IRQ_TEST > + > +enum { > + MAX77686_DEBUG_IRQ_INFO = 1 << 0, > + MAX77686_DEBUG_IRQ_MASK = 1 << 1, > + MAX77686_DEBUG_IRQ_INT = 1 << 2, > +}; > + > +static int debug_mask = MAX77686_DEBUG_IRQ_INFO | MAX77686_DEBUG_IRQ_MASK | > + MAX77686_DEBUG_IRQ_INT; > + > +static const u8 max77686_mask_reg[] = { > + [PMIC_INT1] = MAX77686_REG_INT1MSK, > + [PMIC_INT2] = MAX77686_REG_INT2MSK, > + [RTC_INT] = MAX77686_RTC_INTM, > +}; > + > +static struct i2c_client *max77686_get_i2c(struct max77686_dev *max77686, > + enum max77686_irq_source src) > +{ > + switch (src) { > + case PMIC_INT1 ... PMIC_INT2: > + return max77686->i2c; > + case RTC_INT: > + return max77686->rtc; > + default: > + return ERR_PTR(-EINVAL); > + } > +} > + > +struct max77686_irq_data { > + int mask; > + enum max77686_irq_source group; > +}; > + > +static const struct max77686_irq_data max77686_irqs[] = { > + [MAX77686_PMICIRQ_PWRONF] = { .group = PMIC_INT1, .mask = 1 << 0 }, > + [MAX77686_PMICIRQ_PWRONR] = { .group = PMIC_INT1, .mask = 1 << 1 }, > + [MAX77686_PMICIRQ_JIGONBF] = { .group = PMIC_INT1, .mask = 1 << 2 }, > + [MAX77686_PMICIRQ_JIGONBR] = { .group = PMIC_INT1, .mask = 1 << 3 }, > + [MAX77686_PMICIRQ_ACOKBF] = { .group = PMIC_INT1, .mask = 1 << 4 }, > + [MAX77686_PMICIRQ_ACOKBR] = { .group = PMIC_INT1, .mask = 1 << 5 }, > + [MAX77686_PMICIRQ_ONKEY1S] = { .group = PMIC_INT1, .mask = 1 << 6 }, > + [MAX77686_PMICIRQ_MRSTB] = { .group = PMIC_INT1, .mask = 1 << 7 }, > + [MAX77686_PMICIRQ_140C] = { .group = PMIC_INT2, .mask = 1 << 0 }, > + [MAX77686_PMICIRQ_120C] = { .group = PMIC_INT2, .mask = 1 << 1 }, > + [MAX77686_RTCIRQ_RTC60S] = { .group = RTC_INT, .mask = 1 << 0 }, > + [MAX77686_RTCIRQ_RTCA1] = { .group = RTC_INT, .mask = 1 << 1 }, > + [MAX77686_RTCIRQ_RTCA2] = { .group = RTC_INT, .mask = 1 << 2 }, > + [MAX77686_RTCIRQ_SMPL] = { .group = RTC_INT, .mask = 1 << 3 }, > + [MAX77686_RTCIRQ_RTC1S] = { .group = RTC_INT, .mask = 1 << 4 }, > + [MAX77686_RTCIRQ_WTSR] = { .group = RTC_INT, .mask = 1 << 5 }, > +}; > + > +static void max77686_irq_lock(struct irq_data *data) > +{ > + struct max77686_dev *max77686 = irq_get_chip_data(data->irq); > + > + if (debug_mask & MAX77686_DEBUG_IRQ_MASK) > + pr_debug("%s\n", __func__); > + > + mutex_lock(&max77686->irqlock); > +} > + > +static void max77686_irq_sync_unlock(struct irq_data *data) > +{ > + struct max77686_dev *max77686 = irq_get_chip_data(data->irq); > + int i; > + > + for (i = 0; i < MAX77686_IRQ_GROUP_NR; i++) { > + u8 mask_reg = max77686_mask_reg[i]; > + struct i2c_client *i2c = max77686_get_i2c(max77686, i); > + > + if (debug_mask & MAX77686_DEBUG_IRQ_MASK) > + pr_debug("%s: mask_reg[%d]=0x%x, cur=0x%x\n", __func__, > + i, mask_reg, max77686->irq_masks_cur[i]); > + > + if (mask_reg == MAX77686_REG_INVALID || > + IS_ERR_OR_NULL(i2c)) > + continue; > + > + max77686->irq_masks_cache[i] = max77686->irq_masks_cur[i]; > + > + max77686_write_reg(i2c, max77686_mask_reg[i], > + max77686->irq_masks_cur[i]); > + } > + > + mutex_unlock(&max77686->irqlock); > +} > + > +static const inline struct max77686_irq_data * > +irq_to_max77686_irq(struct max77686_dev *max77686, int irq) > +{ > + return &max77686_irqs[irq - max77686->irq_base]; > +} > + > +static void max77686_irq_mask(struct irq_data *data) > +{ > + struct max77686_dev *max77686 = irq_get_chip_data(data->irq); > + const struct max77686_irq_data *irq_data = irq_to_max77686_irq(max77686, > + data->irq); > + > + max77686->irq_masks_cur[irq_data->group] |= irq_data->mask; > + > + if (debug_mask & MAX77686_DEBUG_IRQ_MASK) > + pr_info("%s: group=%d, cur=0x%x\n", > + __func__, irq_data->group, > + max77686->irq_masks_cur[irq_data->group]); > +} > + > +static void max77686_irq_unmask(struct irq_data *data) > +{ > + struct max77686_dev *max77686 = irq_get_chip_data(data->irq); > + const struct max77686_irq_data *irq_data = irq_to_max77686_irq(max77686, > + data->irq); > + > + max77686->irq_masks_cur[irq_data->group] &= ~irq_data->mask; > + > + if (debug_mask & MAX77686_DEBUG_IRQ_MASK) > + pr_info("%s: group=%d, cur=0x%x\n", > + __func__, irq_data->group, > + max77686->irq_masks_cur[irq_data->group]); > +} > + > +static struct irq_chip max77686_irq_chip = { > + .name = "max77686", > + .irq_bus_lock = max77686_irq_lock, > + .irq_bus_sync_unlock = max77686_irq_sync_unlock, > + .irq_mask = max77686_irq_mask, > + .irq_unmask = max77686_irq_unmask, > +}; > + > +static irqreturn_t max77686_irq_thread(int irq, void *data) > +{ > + struct max77686_dev *max77686 = data; > + u8 irq_reg[MAX77686_IRQ_GROUP_NR] = {}; > + u8 irq_src; > + int ret; > + int i; > + > + ret = max77686_read_reg(max77686->i2c, MAX77686_REG_INTSRC, &irq_src); > + if (ret < 0) { > + dev_err(max77686->dev, "Failed to read interrupt source: %d\n", > + ret); > + return IRQ_NONE; > + } > + > + if (debug_mask & MAX77686_DEBUG_IRQ_INT) > + pr_info("%s: irq_src=0x%x\n", __func__, irq_src); > + > + /* MAX77686_IRQSRC_RTC may be set even if there are pending at INT1/2 */ > + ret = max77686_read_reg(max77686->i2c, MAX77686_REG_INT1, &irq_reg[0]); > + ret = max77686_read_reg(max77686->i2c, MAX77686_REG_INT2, &irq_reg[1]); > + if (ret < 0) { > + dev_err(max77686->dev, "Failed to read pmic interrupt: %d\n", > + ret); > + return IRQ_NONE; > + } > + > + if (debug_mask & MAX77686_DEBUG_IRQ_INT) > + pr_info("%s: int1=0x%x, int2=0x%x\n", > + __func__, irq_reg[PMIC_INT1], irq_reg[PMIC_INT2]); > + > + if (irq_src & MAX77686_IRQSRC_RTC) { > +#ifdef CONFIG_RTC_DRV_MAX77686 > + ret = max77686_read_reg(max77686->rtc, MAX77686_RTC_INT, > + &irq_reg[RTC_INT]); > +#else > + ret = -ENODEV; > +#endif > + if (ret < 0) { > + dev_err(max77686->dev, "Failed to read rtc interrupt: %d\n", > + ret); > + return IRQ_NONE; > + } > + > + if (debug_mask & MAX77686_DEBUG_IRQ_INT) > + pr_info("%s: rtc int=0x%x\n", __func__, > + irq_reg[RTC_INT]); > + } > + > + for (i = 0; i < MAX77686_IRQ_NR; i++) { > + if (irq_reg[max77686_irqs[i].group] & max77686_irqs[i].mask) > + handle_nested_irq(max77686->irq_base + i); > + } > + > + return IRQ_HANDLED; > +} > + > +int max77686_irq_resume(struct max77686_dev *max77686) > +{ > + if (max77686->irq && max77686->irq_base) > + max77686_irq_thread(max77686->irq_base, max77686); > + return 0; > +} > + > +int max77686_irq_init(struct max77686_dev *max77686) > +{ > + int i; > + int cur_irq; > + int ret; > + int val; > +#ifdef MAX77686_IRQ_TEST > + u8 irq_reg[6] = { }; > + u8 irq_src; > +#endif > + > + if (debug_mask & MAX77686_DEBUG_IRQ_INFO) > + pr_info("%s+\n", __func__); > + > + if (!max77686->irq_gpio) { > + dev_warn(max77686->dev, "No interrupt gpio specified.\n"); > + max77686->irq_base = 0; > + return 0; > + } > + > + if (!max77686->irq_base) { > + dev_err(max77686->dev, "No interrupt base specified.\n"); > + return 0; > + } > + > + mutex_init(&max77686->irqlock); > + > + max77686->irq = gpio_to_irq(max77686->irq_gpio); > + ret = gpio_request(max77686->irq_gpio, "pmic_irq"); > + if (ret < 0 && ret != -EBUSY) { > + dev_err(max77686->dev, > + "Failed to request gpio %d with ret: %d\n", > + max77686->irq_gpio, ret); > + return IRQ_NONE; > + } > + if (ret == -EBUSY) > + dev_warn(max77686->dev, "gpio pmic_irq is already requested\n"); > + > + gpio_direction_input(max77686->irq_gpio); > + val = gpio_get_value(max77686->irq_gpio); > + gpio_free(max77686->irq_gpio); > + > + if (debug_mask & MAX77686_DEBUG_IRQ_INT) > + pr_info("%s: gpio_irq=%x\n", __func__, val); > + > +#ifdef MAX77686_IRQ_TEST > + ret = max77686_read_reg(max77686->i2c, MAX77686_REG_INTSRC, &irq_src); > + if (ret < 0) { > + dev_err(max77686->dev, "Failed to read interrupt source: %d\n", > + ret); > + return IRQ_NONE; > + } > + > + pr_info("%s: irq_src=0x%x\n", __func__, irq_src); > + > + ret = max77686_bulk_read(max77686->i2c, MAX77686_REG_INT1, 6, irq_reg); > + if (ret < 0) { > + dev_err(max77686->dev, "Failed to read interrupt source: %d\n", > + ret); > + return IRQ_NONE; > + } > + > + for (i = 0; i < 6; i++) > + pr_info("%s: i[%d]=0x%x\n", __func__, i, irq_reg[i]); > +#endif /* MAX77686_IRQ_TEST */ > + > + /* Mask individual interrupt sources */ > + for (i = 0; i < MAX77686_IRQ_GROUP_NR; i++) { > + struct i2c_client *i2c; > + > + max77686->irq_masks_cur[i] = 0xff; > + max77686->irq_masks_cache[i] = 0xff; > + i2c = max77686_get_i2c(max77686, i); > + > + if (IS_ERR_OR_NULL(i2c)) > + continue; > + if (max77686_mask_reg[i] == MAX77686_REG_INVALID) > + continue; > + > + max77686_write_reg(i2c, max77686_mask_reg[i], 0xff); > + } > + > + /* Register with genirq */ > + for (i = 0; i < MAX77686_IRQ_NR; i++) { > + cur_irq = i + max77686->irq_base; > + irq_set_chip_data(cur_irq, max77686); > + irq_set_chip_and_handler(cur_irq, &max77686_irq_chip, > + handle_edge_irq); > + irq_set_nested_thread(cur_irq, 1); > +#ifdef CONFIG_ARM > + set_irq_flags(cur_irq, IRQF_VALID); > +#else > + irq_set_noprobe(cur_irq); > +#endif > + } > + > + ret = request_threaded_irq(max77686->irq, NULL, max77686_irq_thread, > + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, > + "max77686-irq", max77686); > + > + if (ret) { > + dev_err(max77686->dev, "Failed to request IRQ %d: %d\n", > + max77686->irq, ret); > + return ret; > + } > + > + if (debug_mask & MAX77686_DEBUG_IRQ_INFO) > + pr_info("%s-\n", __func__); > + > + return 0; > +} > + > +void max77686_irq_exit(struct max77686_dev *max77686) > +{ > + if (max77686->irq) > + free_irq(max77686->irq, max77686); > +} > diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c > new file mode 100644 > index 0000000..77b325c > --- /dev/null > +++ b/drivers/mfd/max77686.c > @@ -0,0 +1,407 @@ > +/* > + * max77686.c - mfd core driver for the Maxim 77686 > + * > + * Copyright (C) 2012 Samsung Electronics > + * Chiwoong Byun > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * 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 > + * > + * This driver is based on max8997.c > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#define I2C_ADDR_RTC (0x0C >> 1) > + > +static struct mfd_cell max77686_devs[] = { > + { .name = "max77686-pmic", }, > +#ifdef CONFIG_RTC_DRV_MAX77686 > + { .name = "max77686-rtc", }, > +#endif > +}; > + > +int max77686_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest) > +{ > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + int ret; > + > + mutex_lock(&max77686->iolock); > + ret = i2c_smbus_read_byte_data(i2c, reg); > + mutex_unlock(&max77686->iolock); > + if (ret < 0) > + return ret; > + > + ret &= 0xff; > + *dest = ret; > + return 0; > +} > +EXPORT_SYMBOL_GPL(max77686_read_reg); > + > +int max77686_bulk_read(struct i2c_client *i2c, u8 reg, int count, u8 *buf) > +{ > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + int ret; > + > + mutex_lock(&max77686->iolock); > + ret = i2c_smbus_read_i2c_block_data(i2c, reg, count, buf); > + mutex_unlock(&max77686->iolock); > + if (ret < 0) > + return ret; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(max77686_bulk_read); > + > +int max77686_write_reg(struct i2c_client *i2c, u8 reg, u8 value) > +{ > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + int ret; > + > + mutex_lock(&max77686->iolock); > + ret = i2c_smbus_write_byte_data(i2c, reg, value); > + mutex_unlock(&max77686->iolock); > + return ret; > +} > +EXPORT_SYMBOL_GPL(max77686_write_reg); > + > +int max77686_bulk_write(struct i2c_client *i2c, u8 reg, int count, u8 *buf) > +{ > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + int ret; > + > + mutex_lock(&max77686->iolock); > + ret = i2c_smbus_write_i2c_block_data(i2c, reg, count, buf); > + mutex_unlock(&max77686->iolock); > + if (ret < 0) > + return ret; > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(max77686_bulk_write); > + > +int max77686_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask) > +{ > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + int ret; > + > + mutex_lock(&max77686->iolock); > + ret = i2c_smbus_read_byte_data(i2c, reg); > + if (ret >= 0) { > + u8 old_val = ret & 0xff; > + u8 new_val = (val & mask) | (old_val & (~mask)); > + ret = i2c_smbus_write_byte_data(i2c, reg, new_val); > + } > + mutex_unlock(&max77686->iolock); > + return ret; > +} > +EXPORT_SYMBOL_GPL(max77686_update_reg); > + > +static int max77686_i2c_probe(struct i2c_client *i2c, > + const struct i2c_device_id *id) > +{ > + struct max77686_dev *max77686; > + struct max77686_platform_data *pdata = i2c->dev.platform_data; > + u8 data; > + int ret = 0; > + > + max77686 = kzalloc(sizeof(struct max77686_dev), GFP_KERNEL); > + if (max77686 == NULL) > + return -ENOMEM; > + > + i2c_set_clientdata(i2c, max77686); > + max77686->dev = &i2c->dev; > + max77686->i2c = i2c; > + max77686->type = id->driver_data; > + > + if (!pdata) { > + ret = -EIO; > + goto err; > + } > + > + max77686->wakeup = pdata->wakeup; > + max77686->irq_gpio = pdata->irq_gpio; > + max77686->irq_base = pdata->irq_base; > + max77686->wtsr_smpl = pdata->wtsr_smpl; > + > + mutex_init(&max77686->iolock); > + > + if (max77686_read_reg(i2c, MAX77686_REG_DEVICE_ID, &data) < 0) { > + dev_err(max77686->dev, > + "device not found on this channel (this is not an error)\n"); > + ret = -ENODEV; > + goto err; > + } else > + dev_info(max77686->dev, "device found\n"); > + > +#ifdef CONFIG_RTC_DRV_MAX77686 > + max77686->rtc = i2c_new_dummy(i2c->adapter, I2C_ADDR_RTC); > + i2c_set_clientdata(max77686->rtc, max77686); > +#endif > + > + max77686_irq_init(max77686); > + > + ret = mfd_add_devices(max77686->dev, -1, max77686_devs, > + ARRAY_SIZE(max77686_devs), NULL, 0); > + > + if (ret < 0) > + goto err_mfd; > + > + device_init_wakeup(max77686->dev, pdata->wakeup); > + > + return ret; > + > +err_mfd: > + mfd_remove_devices(max77686->dev); > +#ifdef CONFIG_RTC_DRV_MAX77686 > + i2c_unregister_device(max77686->rtc); > +#endif > +err: > + kfree(max77686); > + return ret; > +} > + > +static int max77686_i2c_remove(struct i2c_client *i2c) > +{ > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + > + mfd_remove_devices(max77686->dev); > +#ifdef CONFIG_RTC_DRV_MAX77686 > + i2c_unregister_device(max77686->rtc); > +#endif > + kfree(max77686); > + > + return 0; > +} > + > +static const struct i2c_device_id max77686_i2c_id[] = { > + { "max77686", TYPE_MAX77686 }, > + { } > +}; > +MODULE_DEVICE_TABLE(i2c, max77686_i2c_id); > + > +#ifdef CONFIG_PM > +static int max77686_suspend(struct device *dev) > +{ > + struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + > + disable_irq(max77686->irq); > + > + if (device_may_wakeup(dev)) > + enable_irq_wake(max77686->irq); > + > + return 0; > +} > + > +static int max77686_resume(struct device *dev) > +{ > + struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + > + if (device_may_wakeup(dev)) > + disable_irq_wake(max77686->irq); > + > + enable_irq(max77686->irq); > + > + return max77686_irq_resume(max77686); > +} > +#else > +#define max77686_suspend NULL > +#define max77686_resume NULL > +#endif /* CONFIG_PM */ > + > +#ifdef CONFIG_HIBERNATION > + > +u8 max77686_dumpaddr_pmic[] = { > + MAX77686_REG_INT1MSK, > + MAX77686_REG_INT2MSK, > + MAX77686_REG_ONOFF_DELAY, > + MAX77686_REG_MRSTB , > + /* Reserved: 0x0B-0x0F */ > + MAX77686_REG_BUCK1CTRL, > + MAX77686_REG_BUCK1OUT, > + MAX77686_REG_BUCK2CTRL1, > + MAX77686_REG_BUCK234FREQ, > + MAX77686_REG_BUCK2DVS1, > + MAX77686_REG_BUCK2DVS2, > + MAX77686_REG_BUCK2DVS3, > + MAX77686_REG_BUCK2DVS4, > + MAX77686_REG_BUCK2DVS5, > + MAX77686_REG_BUCK2DVS6, > + MAX77686_REG_BUCK2DVS7, > + MAX77686_REG_BUCK2DVS8, > + MAX77686_REG_BUCK3CTRL1, > + /* Reserved: 0x1D */ > + MAX77686_REG_BUCK3DVS1, > + MAX77686_REG_BUCK3DVS2, > + MAX77686_REG_BUCK3DVS3, > + MAX77686_REG_BUCK3DVS4, > + MAX77686_REG_BUCK3DVS5, > + MAX77686_REG_BUCK3DVS6, > + MAX77686_REG_BUCK3DVS7, > + MAX77686_REG_BUCK3DVS8, > + MAX77686_REG_BUCK4CTRL1, > + /* Reserved: 0x27 */ > + MAX77686_REG_BUCK4DVS1, > + MAX77686_REG_BUCK4DVS2, > + MAX77686_REG_BUCK4DVS3, > + MAX77686_REG_BUCK4DVS4, > + MAX77686_REG_BUCK4DVS5, > + MAX77686_REG_BUCK4DVS6, > + MAX77686_REG_BUCK4DVS7, > + MAX77686_REG_BUCK4DVS8, > + MAX77686_REG_BUCK5CTRL, > + MAX77686_REG_BUCK5OUT, > + MAX77686_REG_BUCK6CTRL, > + MAX77686_REG_BUCK6OUT, > + MAX77686_REG_BUCK7CTRL, > + MAX77686_REG_BUCK7OUT, > + MAX77686_REG_BUCK8CTRL, > + MAX77686_REG_BUCK8OUT, > + MAX77686_REG_BUCK9CTRL, > + MAX77686_REG_BUCK9OUT, > + /* Reserved: 0x3A-0x3F */ > + MAX77686_REG_LDO1CTRL1 , > + MAX77686_REG_LDO2CTRL1 , > + MAX77686_REG_LDO3CTRL1 , > + MAX77686_REG_LDO4CTRL1 , > + MAX77686_REG_LDO5CTRL1 , > + MAX77686_REG_LDO6CTRL1, > + MAX77686_REG_LDO7CTRL1 , > + MAX77686_REG_LDO8CTRL1 , > + MAX77686_REG_LDO9CTRL1 , > + MAX77686_REG_LDO10CTRL1, > + MAX77686_REG_LDO11CTRL1, > + MAX77686_REG_LDO12CTRL1, > + MAX77686_REG_LDO13CTRL1, > + MAX77686_REG_LDO14CTRL1, > + MAX77686_REG_LDO15CTRL1, > + MAX77686_REG_LDO16CTRL1, > + MAX77686_REG_LDO17CTRL1, > + MAX77686_REG_LDO18CTRL1, > + MAX77686_REG_LDO19CTRL1, > + MAX77686_REG_LDO20CTRL1, > + MAX77686_REG_LDO21CTRL1, > + MAX77686_REG_LDO22CTRL1, > + MAX77686_REG_LDO23CTRL1, > + MAX77686_REG_LDO24CTRL1, > + MAX77686_REG_LDO25CTRL1, > + MAX77686_REG_LDO26CTRL1, > + /* Reserved: 0x5A-0x5F */ > + MAX77686_REG_LDO1CTRL2 , > + MAX77686_REG_LDO2CTRL2 , > + MAX77686_REG_LDO3CTRL2 , > + MAX77686_REG_LDO4CTRL2 , > + MAX77686_REG_LDO5CTRL2 , > + MAX77686_REG_LDO6CTRL2, > + MAX77686_REG_LDO7CTRL2 , > + MAX77686_REG_LDO8CTRL2 , > + MAX77686_REG_LDO9CTRL2 , > + MAX77686_REG_LDO10CTRL2, > + MAX77686_REG_LDO11CTRL2, > + MAX77686_REG_LDO12CTRL2, > + MAX77686_REG_LDO13CTRL2, > + MAX77686_REG_LDO14CTRL2, > + MAX77686_REG_LDO15CTRL2, > + MAX77686_REG_LDO16CTRL2, > + MAX77686_REG_LDO17CTRL2, > + MAX77686_REG_LDO18CTRL2, > + MAX77686_REG_LDO19CTRL2, > + MAX77686_REG_LDO20CTRL2, > + MAX77686_REG_LDO21CTRL2, > + MAX77686_REG_LDO22CTRL2, > + MAX77686_REG_LDO23CTRL2, > + MAX77686_REG_LDO24CTRL2, > + MAX77686_REG_LDO25CTRL2, > + MAX77686_REG_LDO26CTRL2, > + MAX77686_REG_BBAT_CHG, > + MAX77686_REG_32KHZ, > +}; > + > +static int max77686_freeze(struct device *dev) > +{ > + struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + int i; > + > + for (i = 0; i < ARRAY_SIZE(max77686_dumpaddr_pmic); i++) > + max77686_read_reg(i2c, max77686_dumpaddr_pmic[i], > + &max77686->reg_dump[i]); > + > + disable_irq(max77686->irq); > + > + return 0; > +} > + > +static int max77686_restore(struct device *dev) > +{ > + struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); > + struct max77686_dev *max77686 = i2c_get_clientdata(i2c); > + int i; > + > + enable_irq(max77686->irq); > + > + for (i = 0; i < ARRAY_SIZE(max77686_dumpaddr_pmic); i++) > + max77686_write_reg(i2c, max77686_dumpaddr_pmic[i], > + max77686->reg_dump[i]); > + > + return 0; > +} > +#endif > + > +const struct dev_pm_ops max77686_pm = { > + .suspend = max77686_suspend, > + .resume = max77686_resume, > +#ifdef CONFIG_HIBERNATION > + .freeze = max77686_freeze, > + .thaw = max77686_restore, > + .restore = max77686_restore, > +#endif > +}; > + > +static struct i2c_driver max77686_i2c_driver = { > + .driver = { > + .name = "max77686", > + .owner = THIS_MODULE, > + .pm = &max77686_pm, > + }, > + .probe = max77686_i2c_probe, > + .remove = max77686_i2c_remove, > + .id_table = max77686_i2c_id, > +}; > + > +static int __init max77686_i2c_init(void) > +{ > + return i2c_add_driver(&max77686_i2c_driver); > +} > +/* init early so consumer devices can complete system boot */ > +subsys_initcall(max77686_i2c_init); > + > +static void __exit max77686_i2c_exit(void) > +{ > + i2c_del_driver(&max77686_i2c_driver); > +} > +module_exit(max77686_i2c_exit); > + > +MODULE_DESCRIPTION("MAXIM 77686 multi-function core driver"); > +MODULE_AUTHOR("Chiwoong Byun "); > +MODULE_LICENSE("GPL"); > diff --git a/include/linux/mfd/max77686-private.h b/include/linux/mfd/max77686-private.h > new file mode 100644 > index 0000000..a44a743 > --- /dev/null > +++ b/include/linux/mfd/max77686-private.h > @@ -0,0 +1,259 @@ > +/* > + * max77686.h - Voltage regulator driver for the Maxim 77686 > + * > + * Copyright (C) 2012 Samsung Electrnoics > + * Chiwoong Byun > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * 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 > + */ > + > +#ifndef __LINUX_MFD_MAX77686_PRIV_H > +#define __LINUX_MFD_MAX77686_PRIV_H > + > +#include > + > +#define MAX77686_REG_INVALID (0xff) > + > +enum max77686_pmic_reg { > + MAX77686_REG_DEVICE_ID = 0x00, > + MAX77686_REG_INTSRC = 0x01, > + MAX77686_REG_INT1 = 0x02, > + MAX77686_REG_INT2 = 0x03, > + > + MAX77686_REG_INT1MSK = 0x04, > + MAX77686_REG_INT2MSK = 0x05, > + > + MAX77686_REG_STATUS1 = 0x06, > + MAX77686_REG_STATUS2 = 0x07, > + > + MAX77686_REG_PWRON = 0x08, > + MAX77686_REG_ONOFF_DELAY = 0x09, > + MAX77686_REG_MRSTB = 0x0A, > + /* Reserved: 0x0B-0x0F */ > + > + MAX77686_REG_BUCK1CTRL = 0x10, > + MAX77686_REG_BUCK1OUT = 0x11, > + MAX77686_REG_BUCK2CTRL1 = 0x12, > + MAX77686_REG_BUCK234FREQ = 0x13, > + MAX77686_REG_BUCK2DVS1 = 0x14, > + MAX77686_REG_BUCK2DVS2 = 0x15, > + MAX77686_REG_BUCK2DVS3 = 0x16, > + MAX77686_REG_BUCK2DVS4 = 0x17, > + MAX77686_REG_BUCK2DVS5 = 0x18, > + MAX77686_REG_BUCK2DVS6 = 0x19, > + MAX77686_REG_BUCK2DVS7 = 0x1A, > + MAX77686_REG_BUCK2DVS8 = 0x1B, > + MAX77686_REG_BUCK3CTRL1 = 0x1C, > + /* Reserved: 0x1D */ > + MAX77686_REG_BUCK3DVS1 = 0x1E, > + MAX77686_REG_BUCK3DVS2 = 0x1F, > + MAX77686_REG_BUCK3DVS3 = 0x20, > + MAX77686_REG_BUCK3DVS4 = 0x21, > + MAX77686_REG_BUCK3DVS5 = 0x22, > + MAX77686_REG_BUCK3DVS6 = 0x23, > + MAX77686_REG_BUCK3DVS7 = 0x24, > + MAX77686_REG_BUCK3DVS8 = 0x25, > + MAX77686_REG_BUCK4CTRL1 = 0x26, > + /* Reserved: 0x27 */ > + MAX77686_REG_BUCK4DVS1 = 0x28, > + MAX77686_REG_BUCK4DVS2 = 0x29, > + MAX77686_REG_BUCK4DVS3 = 0x2A, > + MAX77686_REG_BUCK4DVS4 = 0x2B, > + MAX77686_REG_BUCK4DVS5 = 0x2C, > + MAX77686_REG_BUCK4DVS6 = 0x2D, > + MAX77686_REG_BUCK4DVS7 = 0x2E, > + MAX77686_REG_BUCK4DVS8 = 0x2F, > + MAX77686_REG_BUCK5CTRL = 0x30, > + MAX77686_REG_BUCK5OUT = 0x31, > + MAX77686_REG_BUCK6CTRL = 0x32, > + MAX77686_REG_BUCK6OUT = 0x33, > + MAX77686_REG_BUCK7CTRL = 0x34, > + MAX77686_REG_BUCK7OUT = 0x35, > + MAX77686_REG_BUCK8CTRL = 0x36, > + MAX77686_REG_BUCK8OUT = 0x37, > + MAX77686_REG_BUCK9CTRL = 0x38, > + MAX77686_REG_BUCK9OUT = 0x39, > + /* Reserved: 0x3A-0x3F */ > + > + MAX77686_REG_LDO1CTRL1 = 0x40, > + MAX77686_REG_LDO2CTRL1 = 0x41, > + MAX77686_REG_LDO3CTRL1 = 0x42, > + MAX77686_REG_LDO4CTRL1 = 0x43, > + MAX77686_REG_LDO5CTRL1 = 0x44, > + MAX77686_REG_LDO6CTRL1 = 0x45, > + MAX77686_REG_LDO7CTRL1 = 0x46, > + MAX77686_REG_LDO8CTRL1 = 0x47, > + MAX77686_REG_LDO9CTRL1 = 0x48, > + MAX77686_REG_LDO10CTRL1 = 0x49, > + MAX77686_REG_LDO11CTRL1 = 0x4A, > + MAX77686_REG_LDO12CTRL1 = 0x4B, > + MAX77686_REG_LDO13CTRL1 = 0x4C, > + MAX77686_REG_LDO14CTRL1 = 0x4D, > + MAX77686_REG_LDO15CTRL1 = 0x4E, > + MAX77686_REG_LDO16CTRL1 = 0x4F, > + MAX77686_REG_LDO17CTRL1 = 0x50, > + MAX77686_REG_LDO18CTRL1 = 0x51, > + MAX77686_REG_LDO19CTRL1 = 0x52, > + MAX77686_REG_LDO20CTRL1 = 0x53, > + MAX77686_REG_LDO21CTRL1 = 0x54, > + MAX77686_REG_LDO22CTRL1 = 0x55, > + MAX77686_REG_LDO23CTRL1 = 0x56, > + MAX77686_REG_LDO24CTRL1 = 0x57, > + MAX77686_REG_LDO25CTRL1 = 0x58, > + MAX77686_REG_LDO26CTRL1 = 0x59, > + /* Reserved: 0x5A-0x5F */ > + MAX77686_REG_LDO1CTRL2 = 0x60, > + MAX77686_REG_LDO2CTRL2 = 0x61, > + MAX77686_REG_LDO3CTRL2 = 0x62, > + MAX77686_REG_LDO4CTRL2 = 0x63, > + MAX77686_REG_LDO5CTRL2 = 0x64, > + MAX77686_REG_LDO6CTRL2 = 0x65, > + MAX77686_REG_LDO7CTRL2 = 0x66, > + MAX77686_REG_LDO8CTRL2 = 0x67, > + MAX77686_REG_LDO9CTRL2 = 0x68, > + MAX77686_REG_LDO10CTRL2 = 0x69, > + MAX77686_REG_LDO11CTRL2 = 0x6A, > + MAX77686_REG_LDO12CTRL2 = 0x6B, > + MAX77686_REG_LDO13CTRL2 = 0x6C, > + MAX77686_REG_LDO14CTRL2 = 0x6D, > + MAX77686_REG_LDO15CTRL2 = 0x6E, > + MAX77686_REG_LDO16CTRL2 = 0x6F, > + MAX77686_REG_LDO17CTRL2 = 0x70, > + MAX77686_REG_LDO18CTRL2 = 0x71, > + MAX77686_REG_LDO19CTRL2 = 0x72, > + MAX77686_REG_LDO20CTRL2 = 0x73, > + MAX77686_REG_LDO21CTRL2 = 0x74, > + MAX77686_REG_LDO22CTRL2 = 0x75, > + MAX77686_REG_LDO23CTRL2 = 0x76, > + MAX77686_REG_LDO24CTRL2 = 0x77, > + MAX77686_REG_LDO25CTRL2 = 0x78, > + MAX77686_REG_LDO26CTRL2 = 0x79, > + /* Reserved: 0x7A-0x7D */ > + > + MAX77686_REG_BBAT_CHG = 0x7E, > + MAX77686_REG_32KHZ = 0x7F, > + > + MAX77686_REG_PMIC_END = 0x80, > +}; > + > +enum max77686_rtc_reg { > + MAX77686_RTC_INT = 0x00, > + MAX77686_RTC_INTM = 0x01, > + MAX77686_RTC_CONTROLM = 0x02, > + MAX77686_RTC_CONTROL = 0x03, > + MAX77686_RTC_UPDATE0 = 0x04, > + /* Reserved: 0x5 */ > + MAX77686_WTSR_SMPL_CNTL = 0x06, > + MAX77686_RTC_SEC = 0x07, > + MAX77686_RTC_MIN = 0x08, > + MAX77686_RTC_HOUR = 0x09, > + MAX77686_RTC_WEEKDAY = 0x0A, > + MAX77686_RTC_MONTH = 0x0B, > + MAX77686_RTC_YEAR = 0x0C, > + MAX77686_RTC_DATE = 0x0D, > + MAX77686_ALARM1_SEC = 0x0E, > + MAX77686_ALARM1_MIN = 0x0F, > + MAX77686_ALARM1_HOUR = 0x10, > + MAX77686_ALARM1_WEEKDAY = 0x11, > + MAX77686_ALARM1_MONTH = 0x12, > + MAX77686_ALARM1_YEAR = 0x13, > + MAX77686_ALARM1_DATE = 0x14, > + MAX77686_ALARM2_SEC = 0x15, > + MAX77686_ALARM2_MIN = 0x16, > + MAX77686_ALARM2_HOUR = 0x17, > + MAX77686_ALARM2_WEEKDAY = 0x18, > + MAX77686_ALARM2_MONTH = 0x19, > + MAX77686_ALARM2_YEAR = 0x1A, > + MAX77686_ALARM2_DATE = 0x1B, > +}; > + > +#define MAX77686_IRQSRC_PMIC (0) > +#define MAX77686_IRQSRC_RTC (1 << 0) > + > +#define MAX77686_REG_RAMP_RATE_100MV (0x3<<6) > +#define MAX77686_REG_RAMP_RATE_55MV (0x2<<6) > +#define MAX77686_REG_RAMP_RATE_27MV (0x1<<6) > +#define MAX77686_REG_RAMP_RATE_13MV (0x0<<6) > + > +enum max77686_irq_source { > + PMIC_INT1 = 0, > + PMIC_INT2, > + RTC_INT, > + > + MAX77686_IRQ_GROUP_NR, > +}; > + > +enum max77686_irq { > + MAX77686_PMICIRQ_PWRONF, > + MAX77686_PMICIRQ_PWRONR, > + MAX77686_PMICIRQ_JIGONBF, > + MAX77686_PMICIRQ_JIGONBR, > + MAX77686_PMICIRQ_ACOKBF, > + MAX77686_PMICIRQ_ACOKBR, > + MAX77686_PMICIRQ_ONKEY1S, > + MAX77686_PMICIRQ_MRSTB, > + > + MAX77686_PMICIRQ_140C, > + MAX77686_PMICIRQ_120C, > + > + MAX77686_RTCIRQ_RTC60S, > + MAX77686_RTCIRQ_RTCA1, > + MAX77686_RTCIRQ_RTCA2, > + MAX77686_RTCIRQ_SMPL, > + MAX77686_RTCIRQ_RTC1S, > + MAX77686_RTCIRQ_WTSR, > + > + MAX77686_IRQ_NR, > +}; > + > +struct max77686_dev { > + struct device *dev; > + struct i2c_client *i2c; /* 0xcc / PMIC, Battery Control, and FLASH */ > + struct i2c_client *rtc; /* slave addr 0x0c */ > + struct mutex iolock; > + > + int type; > + > + int irq; > + int irq_gpio; > + int irq_base; > + bool wakeup; > + struct mutex irqlock; > + int irq_masks_cur[MAX77686_IRQ_GROUP_NR]; > + int irq_masks_cache[MAX77686_IRQ_GROUP_NR]; > + int wtsr_smpl; > + > +#ifdef CONFIG_HIBERNATION > + u8 reg_dump[MAX77686_REG_PMIC_END]; > +#endif > +}; > + > +enum max77686_types { > + TYPE_MAX77686, > +}; > + > +extern int max77686_irq_init(struct max77686_dev *max77686); > +extern void max77686_irq_exit(struct max77686_dev *max77686); > +extern int max77686_irq_resume(struct max77686_dev *max77686); > + > +extern int max77686_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest); > +extern int max77686_bulk_read(struct i2c_client *i2c, u8 reg, int count, > + u8 *buf); > +extern int max77686_write_reg(struct i2c_client *i2c, u8 reg, u8 value); > +extern int max77686_bulk_write(struct i2c_client *i2c, u8 reg, int count, > + u8 *buf); > +extern int max77686_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask); > + > +#endif /* __LINUX_MFD_MAX77686_PRIV_H */ > diff --git a/include/linux/mfd/max77686.h b/include/linux/mfd/max77686.h > new file mode 100644 > index 0000000..9dc81f0 > --- /dev/null > +++ b/include/linux/mfd/max77686.h > @@ -0,0 +1,137 @@ > +/* > + * max77686.h - Driver for the Maxim 77686 > + * > + * Copyright (C) 2012 Samsung Electrnoics > + * Chiwoong Byun > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * 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 > + * > + * This driver is based on max8997.h > + * > + * MAX77686 has PMIC, RTC devices. > + * The devices share the same I2C bus and included in > + * this mfd driver. > + */ > + > +#ifndef __LINUX_MFD_MAX77686_H > +#define __LINUX_MFD_MAX77686_H > + > +#include > + > +#define MAX77686_SMPL_ENABLE (0x1) > +#define MAX77686_WTSR_ENABLE (0x2) > + > +/* MAX77686 regulator IDs */ > +enum max77686_regulators { > + MAX77686_LDO1 = 0, > + MAX77686_LDO2, > + MAX77686_LDO3, > + MAX77686_LDO4, > + MAX77686_LDO5, > + MAX77686_LDO6, > + MAX77686_LDO7, > + MAX77686_LDO8, > + MAX77686_LDO9, > + MAX77686_LDO10, > + MAX77686_LDO11, > + MAX77686_LDO12, > + MAX77686_LDO13, > + MAX77686_LDO14, > + MAX77686_LDO15, > + MAX77686_LDO16, > + MAX77686_LDO17, > + MAX77686_LDO18, > + MAX77686_LDO19, > + MAX77686_LDO20, > + MAX77686_LDO21, > + MAX77686_LDO22, > + MAX77686_LDO23, > + MAX77686_LDO24, > + MAX77686_LDO25, > + MAX77686_LDO26, > + MAX77686_BUCK1, > + MAX77686_BUCK2, > + MAX77686_BUCK3, > + MAX77686_BUCK4, > + MAX77686_BUCK5, > + MAX77686_BUCK6, > + MAX77686_BUCK7, > + MAX77686_BUCK8, > + MAX77686_BUCK9, > + MAX77686_EN32KHZ_AP, > + MAX77686_EN32KHZ_CP, > + MAX77686_P32KH, > + > + MAX77686_REG_MAX, > +}; > + > +struct max77686_regulator_data { > + int id; > + struct regulator_init_data *initdata; > +}; > + > +enum max77686_opmode { > + MAX77686_OPMODE_NORMAL, > + MAX77686_OPMODE_LP, > + MAX77686_OPMODE_STANDBY, > +}; > + > +enum max77686_ramp_rate { > + MAX77686_RAMP_RATE_100MV, > + MAX77686_RAMP_RATE_13MV, > + MAX77686_RAMP_RATE_27MV, > + MAX77686_RAMP_RATE_55MV, > +}; > + > +struct max77686_opmode_data { > + int id; > + int mode; > +}; > + > +struct max77686_buck234_gpio_data { > + int gpio; > + int data; > +}; > + > +struct max77686_platform_data { > + /* IRQ */ > + int irq_gpio; > + int irq_base; > + int ono; > + int wakeup; > + > + /* ---- PMIC ---- */ > + struct max77686_regulator_data *regulators; > + int num_regulators; > + int has_full_constraints; > + > + struct max77686_opmode_data *opmode_data; > + int ramp_rate; > + int wtsr_smpl; > + > + /* > + * GPIO-DVS feature is not enabled with the current version of > + * MAX77686 driver. Buck2/3/4_voltages[0] is used as the default > + * voltage at probe. DVS/SELB gpios are set as OUTPUT-LOW. > + */ > + struct max77686_buck234_gpio_data buck234_gpio_dvs[3]; > + /* GPIO of [0]DVS1, [1]DVS2, [2]DVS3 */ > + int buck234_gpio_selb[3]; /* [0]SELB2, [1]SELB3, [2]SELB4 */ > + unsigned int buck2_voltage[8]; /* buckx_voltage in uV */ > + unsigned int buck3_voltage[8]; > + unsigned int buck4_voltage[8]; > +}; > + > +#endif /* __LINUX_MFD_MAX77686_H */ > -- > 1.7.4.1 > > > > > > > > {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I