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[PATCH 02/06] MFD: DA9052/53 MFD core module v9 Added ADC support

by Ashish Jangam

13 years, 5 months

[PATCH 01/06] MFD: DA9052/53 MFD core module v9

by Ashish Jangam

The DA9052/53 is a highly integrated PMIC subsystem with supply domain flexibility to support wide range of high performance application. It provides voltage regulators, GPIO controller, Touch Screen, RTC, Battery control and other functionality. This patch is functionally tested on Samsung SMDKV6410. Signed-off-by: David Dajun Chen <dchen(a)diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam(a)kpitcummins.com> --- Changes since v9: - Add support for regmap_irq - Patch split into I2C, ADC and SPI - Support unconditional registration of all the regulators - Replace magic number with define - Remove user define bus_type from struct da9052 - Use spi_device_id - implemented in spi incremental patch - Remove ADC deadlock issue - implemented in ADC incremental patch Changes since v8: - Add read/write mask flag for SPI Changes since v7: - Replace ADC polling with interrupt mechanism - Move macros related to battery module IRQs to header file Changes since v6: - Move inlined device I/O functions to header file Changes since v5: - Inline device I/O - Unhandle IRQ return IRQ_NONE - Remove register address conversion Changes since v4: - Modify KConfig - Use device registration for detemining chip id - Remove preprocessor directive with runtime bustype variable - Replace module_init() for spi with subsys_initcall() - Remove platform string from MODULE_ALIAS of spi module. Changes since v3: - Code refactored to use REGMAP API. - Add Battery resources. - da9052_set_bits() and da9052_clear_bits() replaced by da9052_reg_update(). - Add support for DA9053 PMIC Changes since v2: - Drop da9052_irqs[] table. - Move struct da9052_subdev_info[]. - Remove initialization of static member. - Care for NULL pdata init(). - Check removal of subdevices on errors. - Remove open source spi code. - Remove '_spi' from the driver name. - Move tbat_lookup table from header file. - Remove irq.h - Remove num_gpio variable from pdata --- drivers/mfd/Kconfig | 16 + drivers/mfd/Makefile | 4 + drivers/mfd/da9052-core.c | 366 +++++++++++++++++ drivers/mfd/da9052-i2c.c | 144 +++++++ include/linux/mfd/da9052/da9052.h | 150 +++++++ include/linux/mfd/da9052/pdata.h | 40 ++ include/linux/mfd/da9052/reg.h | 778 +++++++++++++++++++++++++++++++++++++ 7 files changed, 1498 insertions(+), 0 deletions(-) create mode 100644 drivers/mfd/da9052-core.c create mode 100644 drivers/mfd/da9052-i2c.c create mode 100644 include/linux/mfd/da9052/da9052.h create mode 100644 include/linux/mfd/da9052/pdata.h create mode 100644 include/linux/mfd/da9052/reg.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index f1391c2..baced42 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -328,6 +328,22 @@ config PMIC_DA903X individual components like LCD backlight, voltage regulators, LEDs and battery-charger under the corresponding menus. +config PMIC_DA9052 + bool + select MFD_CORE + +config MFD_DA9052_I2C + bool "Support Dialog Semiconductor DA9052/53 PMIC variants with I2C" + select REGMAP_I2C + select REGMAP_IRQ + select PMIC_DA9052 + depends on I2C=y + help + Support for the Dialog Semiconductor DA9052 PMIC + when controlled using I2C. This driver provides common support + for accessing the device, additional drivers must be enabled in + order to use the functionality of the device. + config PMIC_ADP5520 bool "Analog Devices ADP5520/01 MFD PMIC Core Support" depends on I2C=y diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index b2292eb..484f209 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -67,6 +67,10 @@ endif obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o obj-$(CONFIG_PMIC_DA903X) += da903x.o + +obj-$(CONFIG_PMIC_DA9052) += da9052-core.o +obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o + max8925-objs := max8925-core.o max8925-i2c.o obj-$(CONFIG_MFD_MAX8925) += max8925.o obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c new file mode 100644 index 0000000..0e12055 --- /dev/null +++ b/drivers/mfd/da9052-core.c @@ -0,0 +1,366 @@ +/* + * Device access for Dialog DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * 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. + */ + +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/mutex.h> +#include <linux/mfd/core.h> +#include <linux/slab.h> +#include <linux/module.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/pdata.h> +#include <linux/mfd/da9052/reg.h> + +#define DA9052_NUM_IRQ_REGS 4 +#define DA9052_IRQ_MASK_POS_1 0x01 +#define DA9052_IRQ_MASK_POS_2 0x02 +#define DA9052_IRQ_MASK_POS_3 0x04 +#define DA9052_IRQ_MASK_POS_4 0x08 +#define DA9052_IRQ_MASK_POS_5 0x10 +#define DA9052_IRQ_MASK_POS_6 0x20 +#define DA9052_IRQ_MASK_POS_7 0x40 +#define DA9052_IRQ_MASK_POS_8 0x80 + +static struct resource da9052_rtc_resource = { + .name = "ALM", + .start = DA9052_IRQ_ALARM, + .end = DA9052_IRQ_ALARM, + .flags = IORESOURCE_IRQ, +}; + +static struct resource da9052_onkey_resource = { + .name = "ONKEY", + .start = DA9052_IRQ_NONKEY, + .end = DA9052_IRQ_NONKEY, + .flags = IORESOURCE_IRQ, +}; + +static struct resource da9052_bat_resources[] = { + { + .name = "BATT TEMP", + .start = DA9052_IRQ_TBAT, + .end = DA9052_IRQ_TBAT, + .flags = IORESOURCE_IRQ, + }, + { + .name = "DCIN DET", + .start = DA9052_IRQ_DCIN, + .end = DA9052_IRQ_DCIN, + .flags = IORESOURCE_IRQ, + }, + { + .name = "DCIN REM", + .start = DA9052_IRQ_DCINREM, + .end = DA9052_IRQ_DCINREM, + .flags = IORESOURCE_IRQ, + }, + { + .name = "VBUS DET", + .start = DA9052_IRQ_VBUS, + .end = DA9052_IRQ_VBUS, + .flags = IORESOURCE_IRQ, + }, + { + .name = "VBUS REM", + .start = DA9052_IRQ_VBUSREM, + .end = DA9052_IRQ_VBUSREM, + .flags = IORESOURCE_IRQ, + }, + { + .name = "CHG END", + .start = DA9052_IRQ_CHGEND, + .end = DA9052_IRQ_CHGEND, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource da9052_tsi_resources[] = { + { + .name = "PENDWN", + .start = DA9052_IRQ_PENDOWN, + .end = DA9052_IRQ_PENDOWN, + .flags = IORESOURCE_IRQ, + }, + { + .name = "TSIRDY", + .start = DA9052_IRQ_TSIREADY, + .end = DA9052_IRQ_TSIREADY, + .flags = IORESOURCE_IRQ, + }, +}; + +int da9052_add_regulator_devices(struct da9052 *da9052) +{ + struct platform_device *pdev; + int i, ret; + + for (i = 0; i < DA9052_MAX_REGULATORS; i++) { + pdev = platform_device_alloc("da9052-regulator", i); + if (!pdev) + return -ENOMEM; + + pdev->dev.parent = da9052->dev; + ret = platform_device_add(pdev); + if (ret) { + platform_device_put(pdev); + return ret; + } + } + + return 0; +} + +static struct mfd_cell __initdata da9052_subdev_info[] = { + { + .name = "da9052-onkey", + .resources = &da9052_onkey_resource, + .num_resources = 1, + }, + { + .name = "da9052-rtc", + .resources = &da9052_rtc_resource, + .num_resources = 1, + }, + { + .name = "da9052-gpio", + }, + { + .name = "da9052-hwmon", + }, + { + .name = "da9052-leds", + }, + { + .name = "da9052-wled1", + }, + { + .name = "da9052-wled2", + }, + { + .name = "da9052-wled3", + }, + { + .name = "da9052-tsi", + .resources = da9052_tsi_resources, + .num_resources = ARRAY_SIZE(da9052_tsi_resources), + }, + { + .name = "da9052-bat", + .resources = da9052_bat_resources, + .num_resources = ARRAY_SIZE(da9052_bat_resources), + }, + { + .name = "da9052-watchdog", + }, +}; + +static struct regmap_irq da9052_irqs[] = { + [DA9052_IRQ_DCIN] = { + .reg_offset = 0, + .mask = DA9052_IRQ_MASK_POS_1, + }, + [DA9052_IRQ_VBUS] = { + .reg_offset = 0, + .mask = DA9052_IRQ_MASK_POS_2, + }, + [DA9052_IRQ_DCINREM] = { + .reg_offset = 0, + .mask = DA9052_IRQ_MASK_POS_3, + }, + [DA9052_IRQ_VBUSREM] = { + .reg_offset = 0, + .mask = DA9052_IRQ_MASK_POS_4, + }, + [DA9052_IRQ_VDDLOW] = { + .reg_offset = 0, + .mask = DA9052_IRQ_MASK_POS_5, + }, + [DA9052_IRQ_ALARM] = { + .reg_offset = 0, + .mask = DA9052_IRQ_MASK_POS_6, + }, + [DA9052_IRQ_SEQRDY] = { + .reg_offset = 0, + .mask = DA9052_IRQ_MASK_POS_7, + }, + [DA9052_IRQ_COMP1V2] = { + .reg_offset = 0, + .mask = DA9052_IRQ_MASK_POS_8, + }, + [DA9052_IRQ_NONKEY] = { + .reg_offset = 1, + .mask = DA9052_IRQ_MASK_POS_1, + }, + [DA9052_IRQ_IDFLOAT] = { + .reg_offset = 1, + .mask = DA9052_IRQ_MASK_POS_2, + }, + [DA9052_IRQ_IDGND] = { + .reg_offset = 1, + .mask = DA9052_IRQ_MASK_POS_3, + }, + [DA9052_IRQ_CHGEND] = { + .reg_offset = 1, + .mask = DA9052_IRQ_MASK_POS_4, + }, + [DA9052_IRQ_TBAT] = { + .reg_offset = 1, + .mask = DA9052_IRQ_MASK_POS_5, + }, + [DA9052_IRQ_ADC_EOM] = { + .reg_offset = 1, + .mask = DA9052_IRQ_MASK_POS_6, + }, + [DA9052_IRQ_PENDOWN] = { + .reg_offset = 1, + .mask = DA9052_IRQ_MASK_POS_7, + }, + [DA9052_IRQ_TSIREADY] = { + .reg_offset = 1, + .mask = DA9052_IRQ_MASK_POS_8, + }, + [DA9052_IRQ_GPI0] = { + .reg_offset = 2, + .mask = DA9052_IRQ_MASK_POS_1, + }, + [DA9052_IRQ_GPI1] = { + .reg_offset = 2, + .mask = DA9052_IRQ_MASK_POS_2, + }, + [DA9052_IRQ_GPI2] = { + .reg_offset = 2, + .mask = DA9052_IRQ_MASK_POS_3, + }, + [DA9052_IRQ_GPI3] = { + .reg_offset = 2, + .mask = DA9052_IRQ_MASK_POS_4, + }, + [DA9052_IRQ_GPI4] = { + .reg_offset = 2, + .mask = DA9052_IRQ_MASK_POS_5, + }, + [DA9052_IRQ_GPI5] = { + .reg_offset = 2, + .mask = DA9052_IRQ_MASK_POS_6, + }, + [DA9052_IRQ_GPI6] = { + .reg_offset = 2, + .mask = DA9052_IRQ_MASK_POS_7, + }, + [DA9052_IRQ_GPI7] = { + .reg_offset = 2, + .mask = DA9052_IRQ_MASK_POS_8, + }, + [DA9052_IRQ_GPI8] = { + .reg_offset = 3, + .mask = DA9052_IRQ_MASK_POS_1, + }, + [DA9052_IRQ_GPI9] = { + .reg_offset = 3, + .mask = DA9052_IRQ_MASK_POS_2, + }, + [DA9052_IRQ_GPI10] = { + .reg_offset = 3, + .mask = DA9052_IRQ_MASK_POS_3, + }, + [DA9052_IRQ_GPI11] = { + .reg_offset = 3, + .mask = DA9052_IRQ_MASK_POS_4, + }, + [DA9052_IRQ_GPI12] = { + .reg_offset = 3, + .mask = DA9052_IRQ_MASK_POS_5, + }, + [DA9052_IRQ_GPI13] = { + .reg_offset = 3, + .mask = DA9052_IRQ_MASK_POS_6, + }, + [DA9052_IRQ_GPI14] = { + .reg_offset = 3, + .mask = DA9052_IRQ_MASK_POS_7, + }, + [DA9052_IRQ_GPI15] = { + .reg_offset = 3, + .mask = DA9052_IRQ_MASK_POS_8, + }, +}; + +static struct regmap_irq_chip da9052_regmap_irq_chip = { + .name = "da9052_irq", + .status_base = DA9052_EVENT_A_REG, + .mask_base = DA9052_IRQ_MASK_A_REG, + .ack_base = DA9052_EVENT_A_REG, + .num_regs = DA9052_NUM_IRQ_REGS, + .irqs = da9052_irqs, + .num_irqs = ARRAY_SIZE(da9052_irqs), +}; + +int da9052_device_init(struct da9052 *da9052, u8 chip_id) +{ + struct da9052_pdata *pdata = da9052->dev->platform_data; + struct irq_desc *desc; + int ret; + + mutex_init(&da9052->io_lock); + + if (pdata && pdata->init != NULL) + pdata->init(da9052); + + da9052->chip_id = chip_id; + + if (!pdata && !pdata->irq_base) + da9052->irq_base = -1; + else + da9052->irq_base = pdata->irq_base; + + ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + da9052->irq_base, &da9052_regmap_irq_chip, + NULL); + if (ret < 0) + goto regmap_err; + + ret = da9052_add_regulator_devices(da9052); + if (ret) + goto err; + + desc = irq_to_desc(da9052->chip_irq); + da9052->irq_base = regmap_irq_chip_get_base(desc->action->dev_id); + + ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info, + ARRAY_SIZE(da9052_subdev_info), NULL, 0); + if (ret) + goto err; + + return 0; + +err: + mfd_remove_devices(da9052->dev); +regmap_err: + return ret; +} + +void da9052_device_exit(struct da9052 *da9052) +{ + regmap_del_irq_chip(da9052->chip_irq, + irq_get_irq_data(da9052->irq_base)->chip_data); + mfd_remove_devices(da9052->dev); +} + +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_DESCRIPTION("DA9052 MFD Core"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c new file mode 100644 index 0000000..3c49c56 --- /dev/null +++ b/drivers/mfd/da9052-i2c.c @@ -0,0 +1,144 @@ +/* + * I2C access for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * 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. + * + */ + +#include <linux/device.h> +#include <linux/module.h> +#include <linux/input.h> +#include <linux/mfd/core.h> +#include <linux/i2c.h> +#include <linux/err.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/reg.h> + +static int da9052_i2c_enable_multiwrite(struct da9052 *da9052) +{ + int reg_val, ret; + + ret = regmap_read(da9052->regmap, DA9052_CONTROL_B_REG, &reg_val); + if (ret < 0) + return ret; + + if (reg_val & DA9052_CONTROL_B_WRITEMODE) { + reg_val &= ~DA9052_CONTROL_B_WRITEMODE; + ret = regmap_write(da9052->regmap, DA9052_CONTROL_B_REG, + reg_val); + if (ret < 0) + return ret; + } + + return 0; +} + +static struct regmap_config da9052_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +static int __devinit da9052_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct da9052 *da9052; + int ret; + + da9052 = kzalloc(sizeof(struct da9052), GFP_KERNEL); + if (!da9052) + return -ENOMEM; + + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_BYTE_DATA)) { + dev_info(&client->dev, "Error in %s:i2c_check_functionality\n", + __func__); + return -ENODEV; + } + + da9052->dev = &client->dev; + da9052->chip_irq = client->irq; + + i2c_set_clientdata(client, da9052); + + da9052->regmap = regmap_init_i2c(client, &da9052_regmap_config); + if (IS_ERR(da9052->regmap)) { + ret = PTR_ERR(da9052->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + ret); + goto err; + } + + ret = da9052_i2c_enable_multiwrite(da9052); + if (ret < 0) + goto err; + + ret = da9052_device_init(da9052, id->driver_data); + if (ret != 0) + goto err; + + return 0; + +err: + kfree(da9052); + return ret; +} + +static int da9052_i2c_remove(struct i2c_client *client) +{ + struct da9052 *da9052 = i2c_get_clientdata(client); + + da9052_device_exit(da9052); + kfree(da9052); + + return 0; +} + +static struct i2c_device_id da9052_i2c_id[] = { + {"da9052", DA9052}, + {"da9053-aa", DA9053_AA}, + {"da9053-ba", DA9053_BA}, + {"da9053-bb", DA9053_BB}, + {} +}; + +static struct i2c_driver da9052_i2c_driver = { + .probe = da9052_i2c_probe, + .remove = da9052_i2c_remove, + .id_table = da9052_i2c_id, + .driver = { + .name = "da9052", + .owner = THIS_MODULE, + }, +}; + +static int __init da9052_i2c_init(void) +{ + int ret; + + ret = i2c_add_driver(&da9052_i2c_driver); + if (ret != 0) { + pr_err("DA9052 I2C registration failed %d\n", ret); + return ret; + } + + return 0; +} +subsys_initcall(da9052_i2c_init); + +static void __exit da9052_i2c_exit(void) +{ + i2c_del_driver(&da9052_i2c_driver); +} +module_exit(da9052_i2c_exit); + +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_DESCRIPTION("I2C driver for Dialog DA9052 PMIC"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h new file mode 100644 index 0000000..f53b77a --- /dev/null +++ b/include/linux/mfd/da9052/da9052.h @@ -0,0 +1,150 @@ +/* + * da9052 declarations for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __MFD_DA9052_DA9052_H +#define __MFD_DA9052_DA9052_H + +#include <linux/interrupt.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/completion.h> +#include <linux/list.h> +#include <linux/mfd/core.h> + +#include <linux/mfd/da9052/reg.h> + +#define DA9052_IRQ_DCIN 0 +#define DA9052_IRQ_VBUS 1 +#define DA9052_IRQ_DCINREM 2 +#define DA9052_IRQ_VBUSREM 3 +#define DA9052_IRQ_VDDLOW 4 +#define DA9052_IRQ_ALARM 5 +#define DA9052_IRQ_SEQRDY 6 +#define DA9052_IRQ_COMP1V2 7 +#define DA9052_IRQ_NONKEY 8 +#define DA9052_IRQ_IDFLOAT 9 +#define DA9052_IRQ_IDGND 10 +#define DA9052_IRQ_CHGEND 11 +#define DA9052_IRQ_TBAT 12 +#define DA9052_IRQ_ADC_EOM 13 +#define DA9052_IRQ_PENDOWN 14 +#define DA9052_IRQ_TSIREADY 15 +#define DA9052_IRQ_GPI0 16 +#define DA9052_IRQ_GPI1 17 +#define DA9052_IRQ_GPI2 18 +#define DA9052_IRQ_GPI3 19 +#define DA9052_IRQ_GPI4 20 +#define DA9052_IRQ_GPI5 21 +#define DA9052_IRQ_GPI6 22 +#define DA9052_IRQ_GPI7 23 +#define DA9052_IRQ_GPI8 24 +#define DA9052_IRQ_GPI9 25 +#define DA9052_IRQ_GPI10 26 +#define DA9052_IRQ_GPI11 27 +#define DA9052_IRQ_GPI12 28 +#define DA9052_IRQ_GPI13 29 +#define DA9052_IRQ_GPI14 30 +#define DA9052_IRQ_GPI15 31 + +enum da9052_chip_id { + DA9052, + DA9053_AA, + DA9053_BA, + DA9053_BB, +}; + +struct da9052_pdata; + +struct da9052 { + struct mutex io_lock; + + struct device *dev; + struct i2c_client *i2c_client; + struct regmap *regmap; + + int irq_base; + u8 chip_id; + + int chip_irq; +}; + +/* Device I/O API */ +static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg) +{ + int val, ret; + + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + ret = regmap_read(da9052->regmap, reg, &val); + if (ret < 0) + return ret; + return val; +} + +static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg, + unsigned char val) +{ + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + return regmap_write(da9052->regmap, reg, val); +} + +static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg, + unsigned reg_cnt, unsigned char *val) +{ + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + return regmap_bulk_read(da9052->regmap, reg, val, reg_cnt); +} + +static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg, + unsigned reg_cnt, unsigned char *val) +{ + return regmap_raw_write(da9052->regmap, reg, val, reg_cnt); +} + +static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg, + unsigned char bit_mask, + unsigned char reg_val) +{ + if (reg > DA9052_MAX_REG_CNT) { + dev_err(da9052->dev, "invalid reg %x\n", reg); + return -EINVAL; + } + + return regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val); +} + +int da9052_device_init(struct da9052 *da9052, u8 chip_id); +void da9052_device_exit(struct da9052 *da9052); + +#endif /* __MFD_DA9052_DA9052_H */ diff --git a/include/linux/mfd/da9052/pdata.h b/include/linux/mfd/da9052/pdata.h new file mode 100644 index 0000000..62c5c3c --- /dev/null +++ b/include/linux/mfd/da9052/pdata.h @@ -0,0 +1,40 @@ +/* + * Platform data declarations for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __MFD_DA9052_PDATA_H__ +#define __MFD_DA9052_PDATA_H__ + +#define DA9052_MAX_REGULATORS 14 + +struct da9052; + +struct da9052_pdata { + struct led_platform_data *pled; + int (*init) (struct da9052 *da9052); + int irq_base; + int gpio_base; + int use_for_apm; + struct regulator_init_data *regulators[DA9052_MAX_REGULATORS]; +}; + +#endif diff --git a/include/linux/mfd/da9052/reg.h b/include/linux/mfd/da9052/reg.h new file mode 100644 index 0000000..7552456 --- /dev/null +++ b/include/linux/mfd/da9052/reg.h @@ -0,0 +1,778 @@ +/* + * Register declarations for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __LINUX_MFD_DA9052_REG_H +#define __LINUX_MFD_DA9052_REG_H + +#define DA9052_MAX_REG_CNT 128 + +/*STATUS REGISTERS*/ +#define DA9052_STATUS_A_REG 1 +#define DA9052_STATUS_B_REG 2 +#define DA9052_STATUS_C_REG 3 +#define DA9052_STATUS_D_REG 4 + +/*EVENT REGISTERS*/ +#define DA9052_EVENT_A_REG 5 +#define DA9052_EVENT_B_REG 6 +#define DA9052_EVENT_C_REG 7 +#define DA9052_EVENT_D_REG 8 +#define DA9052_FAULTLOG_REG 9 + +/*IRQ REGISTERS*/ +#define DA9052_IRQ_MASK_A_REG 10 +#define DA9052_IRQ_MASK_B_REG 11 +#define DA9052_IRQ_MASK_C_REG 12 +#define DA9052_IRQ_MASK_D_REG 13 + +/*CONTROL REGISTERS*/ +#define DA9052_CONTROL_A_REG 14 +#define DA9052_CONTROL_B_REG 15 +#define DA9052_CONTROL_C_REG 16 +#define DA9052_CONTROL_D_REG 17 + +#define DA9052_PDDIS_REG 18 +#define DA9052_INTERFACE_REG 19 +#define DA9052_RESET_REG 20 + +/*GPIO REGISTERS*/ +#define DA9052_GPIO_0_1_REG 21 +#define DA9052_GPIO_2_3_REG 22 +#define DA9052_GPIO_4_5_REG 23 +#define DA9052_GPIO_6_7_REG 24 +#define DA9052_GPIO_14_15_REG 28 + +/*LDO AND BUCK REGISTERS*/ +#define DA9052_BUCKA_REG 44 +#define DA9052_BUCKB_REG 45 +#define DA9052_BUCKCORE_REG 46 +#define DA9052_BUCKPRO_REG 47 +#define DA9052_BUCKMEM_REG 48 +#define DA9052_BUCKPERI_REG 49 +#define DA9052_LDO1_REG 50 +#define DA9052_LDO2_REG 51 +#define DA9052_LDO3_REG 52 +#define DA9052_LDO4_REG 53 +#define DA9052_LDO5_REG 54 +#define DA9052_LDO6_REG 55 +#define DA9052_LDO7_REG 56 +#define DA9052_LDO8_REG 57 +#define DA9052_LDO9_REG 58 +#define DA9052_LDO10_REG 59 +#define DA9052_SUPPLY_REG 60 +#define DA9052_PULLDOWN_REG 61 +#define DA9052_CHGBUCK_REG 62 +#define DA9052_WAITCONT_REG 63 +#define DA9052_ISET_REG 64 +#define DA9052_BATCHG_REG 65 + +/*BATTERY CONTROL REGISTRS*/ +#define DA9052_CHG_CONT_REG 66 +#define DA9052_INPUT_CONT_REG 67 +#define DA9052_CHG_TIME_REG 68 +#define DA9052_BBAT_CONT_REG 69 + +/*LED CONTROL REGISTERS*/ +#define DA9052_BOOST_REG 70 +#define DA9052_LED_CONT_REG 71 +#define DA9052_LEDMIN123_REG 72 +#define DA9052_LED1_CONF_REG 73 +#define DA9052_LED2_CONF_REG 74 +#define DA9052_LED3_CONF_REG 75 +#define DA9052_LED1CONT_REG 76 +#define DA9052_LED2CONT_REG 77 +#define DA9052_LED3CONT_REG 78 +#define DA9052_LED_CONT_4_REG 79 +#define DA9052_LED_CONT_5_REG 80 + +/*ADC CONTROL REGISTERS*/ +#define DA9052_ADC_MAN_REG 81 +#define DA9052_ADC_CONT_REG 82 +#define DA9052_ADC_RES_L_REG 83 +#define DA9052_ADC_RES_H_REG 84 +#define DA9052_VDD_RES_REG 85 +#define DA9052_VDD_MON_REG 86 + +/*SM CONTROL REGISTERS*/ +#define DA9052_ICHG_AV_REG 87 +#define DA9052_ICHG_THD_REG 88 +#define DA9052_ICHG_END_REG 89 +#define DA9052_TBAT_RES_REG 90 +#define DA9052_TBAT_HIGHP_REG 91 +#define DA9052_TBAT_HIGHIN_REG 92 +#define DA9052_TBAT_LOW_REG 93 +#define DA9052_T_OFFSET_REG 94 + +/*TSI CONTROL REGISTERS*/ +#define DA9052_TJUNC_RES_REG 104 +#define DA9052_TSI_CONT_A_REG 105 +#define DA9052_TSI_CONT_B_REG 106 +#define DA9052_TSI_X_MSB_REG 107 +#define DA9052_TSI_Y_MSB_REG 108 +#define DA9052_TSI_LSB_REG 109 +#define DA9052_TSI_Z_MSB_REG 110 + +/*RTC COUNT REGISTERS*/ +#define DA9052_COUNT_S_REG 111 +#define DA9052_COUNT_MI_REG 112 +#define DA9052_COUNT_H_REG 113 +#define DA9052_COUNT_D_REG 114 +#define DA9052_COUNT_MO_REG 115 +#define DA9052_COUNT_Y_REG 116 + +/*RTC CONTROL REGISTERS*/ +#define DA9052_ALARM_MI_REG 117 +#define DA9052_ALARM_H_REG 118 +#define DA9052_ALARM_D_REG 119 +#define DA9052_ALARM_MO_REG 120 +#define DA9052_ALARM_Y_REG 121 + +/* Reg Page Configuration */ +#define DA9052_PAGECON0_REGPAGE 0x80 + +/* Onkey Event Registers */ +#define DA9052_M_nONKEY 0x0100 +#define DA9052_E_nONKEY 0x01 + +/* TSI Event Registers */ +#define DA9052_E_PEN_DOWN 0x4000 +#define DA9052_E_TSI_READY 0x8000 + +/* PAGE CONFIGURATION 128 REGISTER */ +#define DA9052_PAGECON128_REGPAGE 0x80 + +/* STATUS REGISTER A */ +#define DA9052_STATUSA_VDATDET 0x80 +#define DA9052_STATUSA_VBUSSEL 0x40 +#define DA9052_STATUSA_DCINSEL 0x20 +#define DA9052_STATUSA_VBUSDET 0x10 +#define DA9052_STATUSA_DCINDET 0x08 +#define DA9052_STATUSA_IDGND 0x04 +#define DA9052_STATUSA_IDFLOAT 0x02 +#define DA9052_STATUSA_NONKEY 0x01 + +/* STATUS REGISTER B */ +#define DA9052_STATUSB_COMPDET 0x80 +#define DA9052_STATUSB_SEQUENCING 0x40 +#define DA9052_STATUSB_GPFB2 0x20 +#define DA9052_STATUSB_CHGTO 0x10 +#define DA9052_STATUSB_CHGEND 0x08 +#define DA9052_STATUSB_CHGLIM 0x04 +#define DA9052_STATUSB_CHGPRE 0x02 +#define DA9052_STATUSB_CHGATT 0x01 + +/* STATUS REGISTER C */ +#define DA9052_STATUSC_GPI7 0x80 +#define DA9052_STATUSC_GPI6 0x40 +#define DA9052_STATUSC_GPI5 0x20 +#define DA9052_STATUSC_GPI4 0x10 +#define DA9052_STATUSC_GPI3 0x08 +#define DA9052_STATUSC_GPI2 0x04 +#define DA9052_STATUSC_GPI1 0x02 +#define DA9052_STATUSC_GPI0 0x01 + +/* STATUS REGISTER D */ +#define DA9052_STATUSD_GPI15 0x80 +#define DA9052_STATUSD_GPI14 0x40 +#define DA9052_STATUSD_GPI13 0x20 +#define DA9052_STATUSD_GPI12 0x10 +#define DA9052_STATUSD_GPI11 0x08 +#define DA9052_STATUSD_GPI10 0x04 +#define DA9052_STATUSD_GPI9 0x02 +#define DA9052_STATUSD_GPI8 0x01 + +/* EVENT REGISTER A */ +#define DA9052_EVENTA_ECOMP1V2 0x80 +#define DA9052_EVENTA_ESEQRDY 0x40 +#define DA9052_EVENTA_EALRAM 0x20 +#define DA9052_EVENTA_EVDDLOW 0x10 +#define DA9052_EVENTA_EVBUSREM 0x08 +#define DA9052_EVENTA_EDCINREM 0x04 +#define DA9052_EVENTA_EVBUSDET 0x02 +#define DA9052_EVENTA_EDCINDET 0x01 + +/* EVENT REGISTER B */ +#define DA9052_EVENTB_ETSIREADY 0x80 +#define DA9052_EVENTB_EPENDOWN 0x40 +#define DA9052_EVENTB_EADCEOM 0x20 +#define DA9052_EVENTB_ETBAT 0x10 +#define DA9052_EVENTB_ECHGEND 0x08 +#define DA9052_EVENTB_EIDGND 0x04 +#define DA9052_EVENTB_EIDFLOAT 0x02 +#define DA9052_EVENTB_ENONKEY 0x01 + +/* EVENT REGISTER C */ +#define DA9052_EVENTC_EGPI7 0x80 +#define DA9052_EVENTC_EGPI6 0x40 +#define DA9052_EVENTC_EGPI5 0x20 +#define DA9052_EVENTC_EGPI4 0x10 +#define DA9052_EVENTC_EGPI3 0x08 +#define DA9052_EVENTC_EGPI2 0x04 +#define DA9052_EVENTC_EGPI1 0x02 +#define DA9052_EVENTC_EGPI0 0x01 + +/* EVENT REGISTER D */ +#define DA9052_EVENTD_EGPI15 0x80 +#define DA9052_EVENTD_EGPI14 0x40 +#define DA9052_EVENTD_EGPI13 0x20 +#define DA9052_EVENTD_EGPI12 0x10 +#define DA9052_EVENTD_EGPI11 0x08 +#define DA9052_EVENTD_EGPI10 0x04 +#define DA9052_EVENTD_EGPI9 0x02 +#define DA9052_EVENTD_EGPI8 0x01 + +/* FAULT LOG REGISTER */ +#define DA9052_FAULTLOG_WAITSET 0x80 +#define DA9052_FAULTLOG_NSDSET 0x40 +#define DA9052_FAULTLOG_KEYSHUT 0x20 +#define DA9052_FAULTLOG_TEMPOVER 0x08 +#define DA9052_FAULTLOG_VDDSTART 0x04 +#define DA9052_FAULTLOG_VDDFAULT 0x02 +#define DA9052_FAULTLOG_TWDERROR 0x01 + +/* CONTROL REGISTER A */ +#define DA9052_CONTROLA_GPIV 0x80 +#define DA9052_CONTROLA_PMOTYPE 0x20 +#define DA9052_CONTROLA_PMOV 0x10 +#define DA9052_CONTROLA_PMIV 0x08 +#define DA9052_CONTROLA_PMIFV 0x08 +#define DA9052_CONTROLA_PWR1EN 0x04 +#define DA9052_CONTROLA_PWREN 0x02 +#define DA9052_CONTROLA_SYSEN 0x01 + +/* CONTROL REGISTER B */ +#define DA9052_CONTROLB_SHUTDOWN 0x80 +#define DA9052_CONTROLB_DEEPSLEEP 0x40 +#define DA9052_CONTROL_B_WRITEMODE 0x20 +#define DA9052_CONTROLB_BBATEN 0x10 +#define DA9052_CONTROLB_OTPREADEN 0x08 +#define DA9052_CONTROLB_AUTOBOOT 0x04 +#define DA9052_CONTROLB_ACTDIODE 0x02 +#define DA9052_CONTROLB_BUCKMERGE 0x01 + +/* CONTROL REGISTER C */ +#define DA9052_CONTROLC_BLINKDUR 0x80 +#define DA9052_CONTROLC_BLINKFRQ 0x60 +#define DA9052_CONTROLC_DEBOUNCING 0x1C +#define DA9052_CONTROLC_PMFB2PIN 0x02 +#define DA9052_CONTROLC_PMFB1PIN 0x01 + +/* CONTROL REGISTER D */ +#define DA9052_CONTROLD_WATCHDOG 0x80 +#define DA9052_CONTROLD_ACCDETEN 0x40 +#define DA9052_CONTROLD_GPI1415SD 0x20 +#define DA9052_CONTROLD_NONKEYSD 0x10 +#define DA9052_CONTROLD_KEEPACTEN 0x08 +#define DA9052_CONTROLD_TWDSCALE 0x07 + +/* POWER DOWN DISABLE REGISTER */ +#define DA9052_PDDIS_PMCONTPD 0x80 +#define DA9052_PDDIS_OUT32KPD 0x40 +#define DA9052_PDDIS_CHGBBATPD 0x20 +#define DA9052_PDDIS_CHGPD 0x10 +#define DA9052_PDDIS_HS2WIREPD 0x08 +#define DA9052_PDDIS_PMIFPD 0x04 +#define DA9052_PDDIS_GPADCPD 0x02 +#define DA9052_PDDIS_GPIOPD 0x01 + +/* CONTROL REGISTER D */ +#define DA9052_INTERFACE_IFBASEADDR 0xE0 +#define DA9052_INTERFACE_NCSPOL 0x10 +#define DA9052_INTERFACE_RWPOL 0x08 +#define DA9052_INTERFACE_CPHA 0x04 +#define DA9052_INTERFACE_CPOL 0x02 +#define DA9052_INTERFACE_IFTYPE 0x01 + +/* CONTROL REGISTER D */ +#define DA9052_RESET_RESETEVENT 0xC0 +#define DA9052_RESET_RESETTIMER 0x3F + +/* GPIO REGISTERS */ + +/* GPIO control register */ +#define DA9052_GPIO_EVEN_PORT_PIN 0x03 +#define DA9052_GPIO_EVEN_PORT_TYPE 0x04 +#define DA9052_GPIO_EVEN_PORT_MODE 0x08 + +#define DA9052_GPIO_ODD_PORT_PIN 0x30 +#define DA9052_GPIO_ODD_PORT_TYPE 0x40 +#define DA9052_GPIO_ODD_PORT_MODE 0x80 + +/*POWER SEQUENCER REGISTER*/ + +/* SEQ control register for ID 0 and 1 */ +#define DA9052_ID01_LDO1STEP 0xF0 +#define DA9052_ID01_SYSPRE 0x04 +#define DA9052_ID01_DEFSUPPLY 0x02 +#define DA9052_ID01_nRESMODE 0x01 + +/* SEQ control register for ID 2 and 3 */ +#define DA9052_ID23_LDO3STEP 0xF0 +#define DA9052_ID23_LDO2STEP 0x0F + +/* SEQ control register for ID 4 and 5 */ +#define DA9052_ID45_LDO5STEP 0xF0 +#define DA9052_ID45_LDO4STEP 0x0F + +/* SEQ control register for ID 6 and 7 */ +#define DA9052_ID67_LDO7STEP 0xF0 +#define DA9052_ID67_LDO6STEP 0x0F + +/* SEQ control register for ID 8 and 9 */ +#define DA9052_ID89_LDO9STEP 0xF0 +#define DA9052_ID89_LDO8STEP 0x0F + +/* SEQ control register for ID 10 and 11 */ +#define DA9052_ID1011_PDDISSTEP 0xF0 +#define DA9052_ID1011_LDO10STEP 0x0F + +/* SEQ control register for ID 12 and 13 */ +#define DA9052_ID1213_VMEMSWSTEP 0xF0 +#define DA9052_ID1213_VPERISWSTEP 0x0F + +/* SEQ control register for ID 14 and 15 */ +#define DA9052_ID1415_BUCKPROSTEP 0xF0 +#define DA9052_ID1415_BUCKCORESTEP 0x0F + +/* SEQ control register for ID 16 and 17 */ +#define DA9052_ID1617_BUCKPERISTEP 0xF0 +#define DA9052_ID1617_BUCKMEMSTEP 0x0F + +/* SEQ control register for ID 18 and 19 */ +#define DA9052_ID1819_GPRISE2STEP 0xF0 +#define DA9052_ID1819_GPRISE1STEP 0x0F + +/* SEQ control register for ID 20 and 21 */ +#define DA9052_ID2021_GPFALL2STEP 0xF0 +#define DA9052_ID2021_GPFALL1STEP 0x0F + +/* Power SEQ Status register */ +#define DA9052_SEQSTATUS_SEQPOINTER 0xF0 +#define DA9052_SEQSTATUS_WAITSTEP 0x0F + +/* Power SEQ A register */ +#define DA9052_SEQA_POWEREND 0xF0 +#define DA9052_SEQA_SYSTEMEND 0x0F + +/* Power SEQ B register */ +#define DA9052_SEQB_PARTDOWN 0xF0 +#define DA9052_SEQB_MAXCOUNT 0x0F + +/* Power SEQ TIMER register */ +#define DA9052_SEQTIMER_SEQDUMMY 0xF0 +#define DA9052_SEQTIMER_SEQTIME 0x0F + +/*POWER SUPPLY CONTROL REGISTER*/ + +/* BUCK REGISTER A */ +#define DA9052_BUCKA_BPROILIM 0xC0 +#define DA9052_BUCKA_BPROMODE 0x30 +#define DA9052_BUCKA_BCOREILIM 0x0C +#define DA9052_BUCKA_BCOREMODE 0x03 + +/* BUCK REGISTER B */ +#define DA9052_BUCKB_BERIILIM 0xC0 +#define DA9052_BUCKB_BPERIMODE 0x30 +#define DA9052_BUCKB_BMEMILIM 0x0C +#define DA9052_BUCKB_BMEMMODE 0x03 + +/* BUCKCORE REGISTER */ +#define DA9052_BUCKCORE_BCORECONF 0x80 +#define DA9052_BUCKCORE_BCOREEN 0x40 +#define DA9052_BUCKCORE_VBCORE 0x3F + +/* BUCKPRO REGISTER */ +#define DA9052_BUCKPRO_BPROCONF 0x80 +#define DA9052_BUCKPRO_BPROEN 0x40 +#define DA9052_BUCKPRO_VBPRO 0x3F + +/* BUCKMEM REGISTER */ +#define DA9052_BUCKMEM_BMEMCONF 0x80 +#define DA9052_BUCKMEM_BMEMEN 0x40 +#define DA9052_BUCKMEM_VBMEM 0x3F + +/* BUCKPERI REGISTER */ +#define DA9052_BUCKPERI_BPERICONF 0x80 +#define DA9052_BUCKPERI_BPERIEN 0x40 +#define DA9052_BUCKPERI_BPERIHS 0x20 +#define DA9052_BUCKPERI_VBPERI 0x1F + +/* LDO1 REGISTER */ +#define DA9052_LDO1_LDO1CONF 0x80 +#define DA9052_LDO1_LDO1EN 0x40 +#define DA9052_LDO1_VLDO1 0x1F + +/* LDO2 REGISTER */ +#define DA9052_LDO2_LDO2CONF 0x80 +#define DA9052_LDO2_LDO2EN 0x40 +#define DA9052_LDO2_VLDO2 0x3F + +/* LDO3 REGISTER */ +#define DA9052_LDO3_LDO3CONF 0x80 +#define DA9052_LDO3_LDO3EN 0x40 +#define DA9052_LDO3_VLDO3 0x3F + +/* LDO4 REGISTER */ +#define DA9052_LDO4_LDO4CONF 0x80 +#define DA9052_LDO4_LDO4EN 0x40 +#define DA9052_LDO4_VLDO4 0x3F + +/* LDO5 REGISTER */ +#define DA9052_LDO5_LDO5CONF 0x80 +#define DA9052_LDO5_LDO5EN 0x40 +#define DA9052_LDO5_VLDO5 0x3F + +/* LDO6 REGISTER */ +#define DA9052_LDO6_LDO6CONF 0x80 +#define DA9052_LDO6_LDO6EN 0x40 +#define DA9052_LDO6_VLDO6 0x3F + +/* LDO7 REGISTER */ +#define DA9052_LDO7_LDO7CONF 0x80 +#define DA9052_LDO7_LDO7EN 0x40 +#define DA9052_LDO7_VLDO7 0x3F + +/* LDO8 REGISTER */ +#define DA9052_LDO8_LDO8CONF 0x80 +#define DA9052_LDO8_LDO8EN 0x40 +#define DA9052_LDO8_VLDO8 0x3F + +/* LDO9 REGISTER */ +#define DA9052_LDO9_LDO9CONF 0x80 +#define DA9052_LDO9_LDO9EN 0x40 +#define DA9052_LDO9_VLDO9 0x3F + +/* LDO10 REGISTER */ +#define DA9052_LDO10_LDO10CONF 0x80 +#define DA9052_LDO10_LDO10EN 0x40 +#define DA9052_LDO10_VLDO10 0x3F + +/* SUPPLY REGISTER */ +#define DA9052_SUPPLY_VLOCK 0x80 +#define DA9052_SUPPLY_VMEMSWEN 0x40 +#define DA9052_SUPPLY_VPERISWEN 0x20 +#define DA9052_SUPPLY_VLDO3GO 0x10 +#define DA9052_SUPPLY_VLDO2GO 0x08 +#define DA9052_SUPPLY_VBMEMGO 0x04 +#define DA9052_SUPPLY_VBPROGO 0x02 +#define DA9052_SUPPLY_VBCOREGO 0x01 + +/* PULLDOWN REGISTER */ +#define DA9052_PULLDOWN_LDO5PDDIS 0x20 +#define DA9052_PULLDOWN_LDO2PDDIS 0x10 +#define DA9052_PULLDOWN_LDO1PDDIS 0x08 +#define DA9052_PULLDOWN_MEMPDDIS 0x04 +#define DA9052_PULLDOWN_PROPDDIS 0x02 +#define DA9052_PULLDOWN_COREPDDIS 0x01 + +/* BAT CHARGER REGISTER */ + +/* CHARGER BUCK REGISTER */ +#define DA9052_CHGBUCK_CHGTEMP 0x80 +#define DA9052_CHGBUCK_CHGUSBILIM 0x40 +#define DA9052_CHGBUCK_CHGBUCKLP 0x20 +#define DA9052_CHGBUCK_CHGBUCKEN 0x10 +#define DA9052_CHGBUCK_ISETBUCK 0x0F + +/* WAIT COUNTER REGISTER */ +#define DA9052_WAITCONT_WAITDIR 0x80 +#define DA9052_WAITCONT_RTCCLOCK 0x40 +#define DA9052_WAITCONT_WAITMODE 0x20 +#define DA9052_WAITCONT_EN32KOUT 0x10 +#define DA9052_WAITCONT_DELAYTIME 0x0F + +/* ISET CONTROL REGISTER */ +#define DA9052_ISET_ISETDCIN 0xF0 +#define DA9052_ISET_ISETVBUS 0x0F + +/* BATTERY CHARGER CONTROL REGISTER */ +#define DA9052_BATCHG_ICHGPRE 0xC0 +#define DA9052_BATCHG_ICHGBAT 0x3F + +/* CHARGER COUNTER REGISTER */ +#define DA9052_CHG_CONT_VCHG_BAT 0xF8 +#define DA9052_CHG_CONT_TCTR 0x07 + +/* INPUT CONTROL REGISTER */ +#define DA9052_INPUT_CONT_TCTR_MODE 0x80 +#define DA9052_INPUT_CONT_VBUS_SUSP 0x10 +#define DA9052_INPUT_CONT_DCIN_SUSP 0x08 + +/* CHARGING TIME REGISTER */ +#define DA9052_CHGTIME_CHGTIME 0xFF + +/* BACKUP BATTERY CONTROL REGISTER */ +#define DA9052_BBATCONT_BCHARGERISET 0xF0 +#define DA9052_BBATCONT_BCHARGERVSET 0x0F + +/* LED REGISTERS */ +/* LED BOOST REGISTER */ +#define DA9052_BOOST_EBFAULT 0x80 +#define DA9052_BOOST_MBFAULT 0x40 +#define DA9052_BOOST_BOOSTFRQ 0x20 +#define DA9052_BOOST_BOOSTILIM 0x10 +#define DA9052_BOOST_LED3INEN 0x08 +#define DA9052_BOOST_LED2INEN 0x04 +#define DA9052_BOOST_LED1INEN 0x02 +#define DA9052_BOOST_BOOSTEN 0x01 + +/* LED CONTROL REGISTER */ +#define DA9052_LEDCONT_SELLEDMODE 0x80 +#define DA9052_LEDCONT_LED3ICONT 0x40 +#define DA9052_LEDCONT_LED3RAMP 0x20 +#define DA9052_LEDCONT_LED3EN 0x10 +#define DA9052_LEDCONT_LED2RAMP 0x08 +#define DA9052_LEDCONT_LED2EN 0x04 +#define DA9052_LEDCONT_LED1RAMP 0x02 +#define DA9052_LEDCONT_LED1EN 0x01 + +/* LEDMIN123 REGISTER */ +#define DA9052_LEDMIN123_LEDMINCURRENT 0xFF + +/* LED1CONF REGISTER */ +#define DA9052_LED1CONF_LED1CURRENT 0xFF + +/* LED2CONF REGISTER */ +#define DA9052_LED2CONF_LED2CURRENT 0xFF + +/* LED3CONF REGISTER */ +#define DA9052_LED3CONF_LED3CURRENT 0xFF + +/* LED COUNT REGISTER */ +#define DA9052_LED_CONT_DIM 0x80 + +/* ADC MAN registers */ +#define DA9052_ADC_MAN_MAN_CONV 0x10 +#define DA9052_ADC_MAN_MUXSEL_VDDOUT 0x00 +#define DA9052_ADC_MAN_MUXSEL_ICH 0x01 +#define DA9052_ADC_MAN_MUXSEL_TBAT 0x02 +#define DA9052_ADC_MAN_MUXSEL_VBAT 0x03 +#define DA9052_ADC_MAN_MUXSEL_AD4 0x04 +#define DA9052_ADC_MAN_MUXSEL_AD5 0x05 +#define DA9052_ADC_MAN_MUXSEL_AD6 0x06 +#define DA9052_ADC_MAN_MUXSEL_VBBAT 0x09 + +/* ADC CONTROL regsisters */ +#define DA9052_ADCCONT_COMP1V2EN 0x80 +#define DA9052_ADCCONT_ADCMODE 0x40 +#define DA9052_ADCCONT_TBATISRCEN 0x20 +#define DA9052_ADCCONT_AD4ISRCEN 0x10 +#define DA9052_ADCCONT_AUTOAD6EN 0x08 +#define DA9052_ADCCONT_AUTOAD5EN 0x04 +#define DA9052_ADCCONT_AUTOAD4EN 0x02 +#define DA9052_ADCCONT_AUTOVDDEN 0x01 + +/* ADC 10 BIT MANUAL CONVERSION RESULT LOW register */ +#define DA9052_ADC_RES_LSB 0x03 + +/* ADC 10 BIT MANUAL CONVERSION RESULT HIGH register */ +#define DA9052_ADCRESH_ADCRESMSB 0xFF + +/* VDD RES regsister*/ +#define DA9052_VDDRES_VDDOUTRES 0xFF + +/* VDD MON regsister*/ +#define DA9052_VDDMON_VDDOUTMON 0xFF + +/* ICHG_AV regsister*/ +#define DA9052_ICHGAV_ICHGAV 0xFF + +/* ICHG_THD regsister*/ +#define DA9052_ICHGTHD_ICHGTHD 0xFF + +/* ICHG_END regsister*/ +#define DA9052_ICHGEND_ICHGEND 0xFF + +/* TBAT_RES regsister*/ +#define DA9052_TBATRES_TBATRES 0xFF + +/* TBAT_HIGHP regsister*/ +#define DA9052_TBATHIGHP_TBATHIGHP 0xFF + +/* TBAT_HIGHN regsister*/ +#define DA9052_TBATHIGHN_TBATHIGHN 0xFF + +/* TBAT_LOW regsister*/ +#define DA9052_TBATLOW_TBATLOW 0xFF + +/* T_OFFSET regsister*/ +#define DA9052_TOFFSET_TOFFSET 0xFF + +/* ADCIN4_RES regsister*/ +#define DA9052_ADCIN4RES_ADCIN4RES 0xFF + +/* ADCIN4_HIGH regsister*/ +#define DA9052_AUTO4HIGH_AUTO4HIGH 0xFF + +/* ADCIN4_LOW regsister*/ +#define DA9052_AUTO4LOW_AUTO4LOW 0xFF + +/* ADCIN5_RES regsister*/ +#define DA9052_ADCIN5RES_ADCIN5RES 0xFF + +/* ADCIN5_HIGH regsister*/ +#define DA9052_AUTO5HIGH_AUTOHIGH 0xFF + +/* ADCIN5_LOW regsister*/ +#define DA9052_AUTO5LOW_AUTO5LOW 0xFF + +/* ADCIN6_RES regsister*/ +#define DA9052_ADCIN6RES_ADCIN6RES 0xFF + +/* ADCIN6_HIGH regsister*/ +#define DA9052_AUTO6HIGH_AUTO6HIGH 0xFF + +/* ADCIN6_LOW regsister*/ +#define DA9052_AUTO6LOW_AUTO6LOW 0xFF + +/* TJUNC_RES regsister*/ +#define DA9052_TJUNCRES_TJUNCRES 0xFF + +/* TSI REGISTER */ + +/* TSI Control Register A */ +#define DA9052_TSICONTA_TSIDELAY 0xC0 +#define DA9052_TSICONTA_TSISKIP 0x38 +#define DA9052_TSICONTA_TSIMODE 0x04 +#define DA9052_TSICONTA_PENDETEN 0x02 +#define DA9052_TSICONTA_AUTOTSIEN 0x01 + +/* TSI Control Register B */ +#define DA9052_TSICONTB_ADCREF 0x80 +#define DA9052_TSICONTB_TSIMAN 0x40 +#define DA9052_TSICONTB_TSIMUX 0x30 +#define DA9052_TSICONTB_TSISEL3 0x08 +#define DA9052_TSICONTB_TSISEL2 0x04 +#define DA9052_TSICONTB_TSISEL1 0x02 +#define DA9052_TSICONTB_TSISEL0 0x01 + +/* TSI X Co-ordinate MSB Result register */ +#define DA9052_TSIXMSB_TSIXM 0xFF + +/* TSI Y Co-ordinate MSB Result register */ +#define DA9052_TSIYMSB_TSIYM 0xFF + +/* TSI Co-ordinate LSB Result register */ +#define DA9052_TSILSB_PENDOWN 0x40 +#define DA9052_TSILSB_TSIZL 0x30 +#define DA9052_TSILSB_TSIYL 0x0C +#define DA9052_TSILSB_TSIXL 0x03 + +/* TSI Z Measurement MSB Result register */ +#define DA9052_TSIZMSB_TSIZM 0xFF + +/* RTC REGISTER */ + +/* RTC TIMER SECONDS REGISTER */ +#define DA9052_COUNTS_MONITOR 0x40 +#define DA9052_RTC_SEC 0x3F + +/* RTC TIMER MINUTES REGISTER */ +#define DA9052_RTC_MIN 0x3F + +/* RTC TIMER HOUR REGISTER */ +#define DA9052_RTC_HOUR 0x1F + +/* RTC TIMER DAYS REGISTER */ +#define DA9052_RTC_DAY 0x1F + +/* RTC TIMER MONTHS REGISTER */ +#define DA9052_RTC_MONTH 0x0F + +/* RTC TIMER YEARS REGISTER */ +#define DA9052_RTC_YEAR 0x3F + +/* RTC ALARM MINUTES REGISTER */ +#define DA9052_ALARMM_I_TICK_TYPE 0x80 +#define DA9052_ALARMMI_ALARMTYPE 0x40 + +/* RTC ALARM YEARS REGISTER */ +#define DA9052_ALARM_Y_TICK_ON 0x80 +#define DA9052_ALARM_Y_ALARM_ON 0x40 + +/* RTC SECONDS REGISTER A*/ +#define DA9052_SECONDA_SECONDSA 0xFF + +/* RTC SECONDS REGISTER B*/ +#define DA9052_SECONDB_SECONDSB 0xFF + +/* RTC SECONDS REGISTER C*/ +#define DA9052_SECONDC_SECONDSC 0xFF + +/* RTC SECONDS REGISTER D*/ +#define DA9052_SECONDD_SECONDSD 0xFF + +/* OTP REGISTER */ + +/* CHIP IDENTIFICATION REGISTER */ +#define DA9052_CHIPID_MRC 0xF0 +#define DA9052_CHIPID_TRC 0x0F + +/* CONFIGURATION IDENTIFICATION REGISTER */ +#define DA9052_CONFIGID_CUSTOMERID 0xF8 +#define DA9052_CONFIGID_CONFID 0x07 + +/* OTP CONTROL REGISTER */ +#define DA9052_OTPCONT_GPWRITEDIS 0x80 +#define DA9052_OTPCONT_OTPCONFLOCK 0x40 +#define DA9052_OTPCONT_OTPGPLOCK 0x20 +#define DA9052_OTPCONT_OTPCONFG 0x08 +#define DA9052_OTPCONT_OTPGP 0x04 +#define DA9052_OTPCONT_OTPRP 0x02 +#define DA9052_OTPCONT_OTPTRANSFER 0x01 + +/* RTC OSCILLATOR TRIM REGISTER */ +#define DA9052_OSCTRIM_TRIM32K 0xFF + +/* GP ID REGISTER 0 */ +#define DA9052_GPID0_GP0 0xFF + +/* GP ID REGISTER 1 */ +#define DA9052_GPID1_GP1 0xFF + +/* GP ID REGISTER 2 */ +#define DA9052_GPID2_GP2 0xFF + +/* GP ID REGISTER 3 */ +#define DA9052_GPID3_GP3 0xFF + +/* GP ID REGISTER 4 */ +#define DA9052_GPID4_GP4 0xFF + +/* GP ID REGISTER 5 */ +#define DA9052_GPID5_GP5 0xFF + +/* GP ID REGISTER 6 */ +#define DA9052_GPID6_GP6 0xFF + +/* GP ID REGISTER 7 */ +#define DA9052_GPID7_GP7 0xFF + +/* GP ID REGISTER 8 */ +#define DA9052_GPID8_GP8 0xFF + +/* GP ID REGISTER 9 */ +#define DA9052_GPID9_GP9 0xFF + +#endif +/* __LINUX_MFD_DA9052_REG_H */ -- 1.7.1

13 years, 5 months

[PATCH] backlight: add new lp855x backlight driver

by Kim, Milo

Hello, All I send the new backlight driver patch for TI LP855x. * Test Environment On the OMAP3530 beagleboard. * Patch base version Linux-3.2-stable This patch supports TI LP8550/LP8551/LP8852/LP8553/LP8556 backlight driver. Signed-off-by: Milo(Woogyom) Kim <milo.kim(a)ti.com> --- Documentation/backlight/lp855x-driver.txt | 89 ++++++ drivers/video/backlight/Kconfig | 7 + drivers/video/backlight/Makefile | 1 + drivers/video/backlight/lp855x_bl.c | 474 +++++++++++++++++++++++++++++ include/linux/lp855x.h | 133 ++++++++ 5 files changed, 704 insertions(+), 0 deletions(-) create mode 100644 Documentation/backlight/lp855x-driver.txt create mode 100755 drivers/video/backlight/lp855x_bl.c create mode 100644 include/linux/lp855x.h diff --git a/Documentation/backlight/lp855x-driver.txt b/Documentation/backlight/lp855x-driver.txt new file mode 100644 index 0000000..0879c1e --- /dev/null +++ b/Documentation/backlight/lp855x-driver.txt @@ -0,0 +1,89 @@ +Kernel driver lp855x +==================== + +Backlight driver for LP855x ICs + +Supported chips: + Texas Instruments LP8550, LP8551, LP8552, LP8553 and LP8556 + +Author: Milo(Woogyom) Kim <milo.kim(a)ti.com> + +Description +----------- + +* Brightness control + +Brightness can be controlled by the pwm input or the i2c command. +The lp855x driver supports both cases. + +* Debugfs nodes + +For debug information, 3 files are exported in the debugfs. + +1) bl_ctl_mode +Backlight control mode. +Value : pwm based or register based + +2) chip_id +The lp855x chip id. +Value : lp8550/lp8551/lp8552/lp8553/lp8556 + +3) registers +We can control the lp855x registers via the debugfs. +Read/Write/Dump mode are supported. + + +Platform data for lp855x +------------------------ + +For supporting platform specific data, the lp855x platform data can be used. + +* name : Backlight driver name. +* mode : Brightness control mode. PWM or register based. +* device_control : Value of DEVICE CONTROL register. +* initial_brightness : Initial value of backlight brightness. +* max_brightness : Maximum value of backlight brightness. +* pwm_data : Platform specific pwm generation functions. + Only valid when brightness is pwm input mode. + Functions should be implemented by PWM driver. + - pwm_set_intensity() : set duty of PWM + - pwm_get_intensity() : get current duty of PWM +* load_new_rom_data : + 0 : use default configuration data + 1 : update values of eeprom or eprom registers on loading driver +* size_program : Total size of lp855x_rom_data. +* rom_data : List of new eeprom/eprom registers. + +example 1) lp8552 platform data : i2c register mode with new eeprom data + +#define EEPROM_A5_ADDR 0xA5 +#define EEPROM_A5_VAL 0x4f /* EN_VSYNC=0 */ + +static struct lp855x_rom_data lp8552_eeprom_arr[] = { + {EEPROM_A5_ADDR, EEPROM_A5_VAL}, +}; + +static struct lp855x_platform_data lp8552_pdata = { + .name = "lcd-backlight", + .mode = REGISTER_BASED, + .device_control = I2C_CONFIG(LP8552), + .initial_brightness = INITIAL_BRT, + .max_brightness = MAX_BRT, + .load_new_rom_data = 1, + .size_program = ARRAY_SIZE(lp8552_eeprom_arr), + .rom_data = lp8552_eeprom_arr, +}; + +example 2) lp8556 platform data : pwm input mode with default rom data + +static struct lp855x_platform_data lp8556_pdata = { + .name = "lcd-backlight", + .mode = PWM_BASED, + .device_control = PWM_CONFIG(LP8556), + .initial_brightness = INITIAL_BRT, + .max_brightness = MAX_BRT, + .pwm_data = { + .pwm_set_intensity = platform_pwm_set_intensity, + .pwm_get_intensity = platform_pwm_get_intensity, + }, +}; diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 278aeaa..4d98c2a 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -342,6 +342,13 @@ config BACKLIGHT_AAT2870 If you have a AnalogicTech AAT2870 say Y to enable the backlight driver. +config BACKLIGHT_LP855X + tristate "Backlight driver for Texas Instruments LP855X" + depends on BACKLIGHT_CLASS_DEVICE && I2C + help + This supports TI LP8550, LP8551, LP8552, LP8553 and LP8556 + backlight driver. + endif # BACKLIGHT_CLASS_DEVICE endif # BACKLIGHT_LCD_SUPPORT diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index fdd1fc4..91ae232 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -39,4 +39,5 @@ obj-$(CONFIG_BACKLIGHT_ADP8870) += adp8870_bl.o obj-$(CONFIG_BACKLIGHT_88PM860X) += 88pm860x_bl.o obj-$(CONFIG_BACKLIGHT_PCF50633) += pcf50633-backlight.o obj-$(CONFIG_BACKLIGHT_AAT2870) += aat2870_bl.o +obj-$(CONFIG_BACKLIGHT_LP855X) += lp855x_bl.o diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c new file mode 100755 index 0000000..7a2d891 --- /dev/null +++ b/drivers/video/backlight/lp855x_bl.c @@ -0,0 +1,474 @@ +/* + * TI LP855x Backlight Driver + * + * Copyright (C) 2011 Texas Instruments + * + * 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. + * + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/backlight.h> +#include <linux/err.h> +#include <linux/debugfs.h> +#include <linux/uaccess.h> +#include <linux/lp855x.h> + +#define BRIGHTNESS_CTRL (0x00) +#define DEVICE_CTRL (0x01) + +#ifdef CONFIG_DEBUG_FS +struct debug_dentry { + struct dentry *dir; + struct dentry *reg; + struct dentry *chip; + struct dentry *blmode; +}; +#endif + +struct lp855x { + const char *chipid; + struct i2c_client *client; + struct backlight_device *bl; + struct device *dev; + struct mutex xfer_lock; + struct lp855x_platform_data *pdata; +#ifdef CONFIG_DEBUG_FS + struct debug_dentry dd; +#endif +}; + +static int lp855x_i2c_read(struct lp855x *lp, u8 reg, u8 *data, u8 len) +{ + s32 ret; + + mutex_lock(&lp->xfer_lock); + ret = i2c_smbus_read_i2c_block_data(lp->client, reg, len, data); + mutex_unlock(&lp->xfer_lock); + + return (ret != len) ? -EIO : 0; +} + +static int lp855x_i2c_write(struct lp855x *lp, u8 reg, u8 *data, u8 len) +{ + s32 ret; + + mutex_lock(&lp->xfer_lock); + ret = i2c_smbus_write_i2c_block_data(lp->client, reg, len, data); + mutex_unlock(&lp->xfer_lock); + + return ret; +} + +static inline int lp855x_read_byte(struct lp855x *lp, u8 reg, u8 *data) +{ + return lp855x_i2c_read(lp, reg, data, 1); +} + +static inline int lp855x_write_byte(struct lp855x *lp, u8 reg, u8 data) +{ + u8 written = data; + return lp855x_i2c_write(lp, reg, &written, 1); +} + +#ifdef CONFIG_DEBUG_FS +static int lp855x_dbg_open(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +static ssize_t lp855x_help_register(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char buf[320]; + unsigned int len; + const char *help = "\n How to read/write LP855x registers\n\n \ + (example) To read 0x00 register,\n \ + echo 0x00 r > /sys/kernel/debug/lp855x/registers\n \ + To write 0xff into 0x1 address,\n \ + echo 0x00 0xff w > /sys/kernel/debug/lp855x/registers \n \ + To dump values from 0x00 to 0x06 address,\n \ + echo 0x00 0x06 d > /sys/kernel/debug/lp855x/registers\n"; + + len = snprintf(buf, sizeof(buf), "%s\n", help); + if (len > sizeof(buf)) + len = sizeof(buf); + + return simple_read_from_buffer(userbuf, count, ppos, buf, len); +} + +static char *lp855x_parse_register_cmd(const char *cmd, u8 *byte) +{ + char tmp[10]; + char *blank; + unsigned long arg; + + blank = strchr(cmd, ' '); + memset(tmp, 0x0, sizeof(tmp)); + memcpy(tmp, cmd, blank - cmd); + + if (strict_strtol(tmp, 16, &arg) < 0) + return NULL; + + *byte = arg; + return blank; +} + +static ssize_t lp855x_ctrl_register(struct file *file, + const char __user *userbuf, size_t count, + loff_t *ppos) +{ + char mode, buf[20]; + char *pos, *pos2; + u8 i, arg1, arg2, val; + struct lp855x *lp = file->private_data; + + if (copy_from_user(buf, userbuf, min(count, sizeof(buf)))) + return -EFAULT; + + mode = buf[count - 2]; + switch (mode) { + case 'r': + if (!lp855x_parse_register_cmd(buf, &arg1)) + return -EINVAL; + + lp855x_read_byte(lp, arg1, &val); + dev_info(lp->dev, "Read [0x%.2x] = 0x%.2x\n", arg1, val); + break; + case 'w': + pos = lp855x_parse_register_cmd(buf, &arg1); + if (!pos) + return -EINVAL; + pos2 = lp855x_parse_register_cmd(pos + 1, &arg2); + if (!pos2) + return -EINVAL; + + lp855x_write_byte(lp, arg1, arg2); + dev_info(lp->dev, "Written [0x%.2x] = 0x%.2x\n", arg1, arg2); + break; + case 'd': + pos = lp855x_parse_register_cmd(buf, &arg1); + if (!pos) + return -EINVAL; + pos2 = lp855x_parse_register_cmd(pos + 1, &arg2); + if (!pos2) + return -EINVAL; + + for (i = arg1; i <= arg2; i++) { + lp855x_read_byte(lp, i, &val); + dev_info(lp->dev, "Read [0x%.2x] = 0x%.2x\n", i, val); + } + break; + default: + break; + } + + return count; +} + +static ssize_t lp855x_get_chipid(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct lp855x *lp = file->private_data; + char buf[10]; + unsigned int len; + + len = snprintf(buf, sizeof(buf), "%s\n", lp->chipid); + + if (len > sizeof(buf)) + len = sizeof(buf); + + return simple_read_from_buffer(userbuf, count, ppos, buf, len); +} + +static ssize_t lp855x_get_bl_mode(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char buf[20]; + unsigned int len; + char *strmode = NULL; + struct lp855x *lp = file->private_data; + enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; + + if (mode == PWM_BASED) + strmode = "pwm based"; + else if (mode == REGISTER_BASED) + strmode = "register based"; + + len = snprintf(buf, sizeof(buf), "%s\n", strmode); + + if (len > sizeof(buf)) + len = sizeof(buf); + + return simple_read_from_buffer(userbuf, count, ppos, buf, len); +} + +#define LP855X_DBG_ENTRY(name, pread, pwrite) \ +static const struct file_operations dbg_##name##_fops = { \ + .open = lp855x_dbg_open, \ + .read = pread, \ + .write = pwrite, \ + .owner = THIS_MODULE, \ + .llseek = default_llseek, \ +} + +LP855X_DBG_ENTRY(registers, lp855x_help_register, lp855x_ctrl_register); +LP855X_DBG_ENTRY(chip, lp855x_get_chipid, NULL); +LP855X_DBG_ENTRY(blmode, lp855x_get_bl_mode, NULL); + +static void lp855x_create_debugfs(struct lp855x *lp) +{ + struct debug_dentry *dd = &lp->dd; + + dd->dir = debugfs_create_dir("lp855x", NULL); + + dd->reg = debugfs_create_file("registers", S_IWUSR | S_IRUGO, + dd->dir, lp, &dbg_registers_fops); + + dd->chip = debugfs_create_file("chip_id", S_IRUGO, + dd->dir, lp, &dbg_chip_fops); + + dd->blmode = debugfs_create_file("bl_ctl_mode", S_IRUGO, + dd->dir, lp, &dbg_blmode_fops); +} + +static void lp855x_remove_debugfs(struct lp855x *lp) +{ + struct debug_dentry *dd = &lp->dd; + + debugfs_remove(dd->blmode); + debugfs_remove(dd->chip); + debugfs_remove(dd->reg); + debugfs_remove(dd->dir); +} +#else +static inline void lp855x_create_debugfs(struct lp855x *lp) +{ + return; +} + +static inline void lp855x_remove_debugfs(struct lp855x *lp) +{ + return; +} +#endif + +static int lp855x_is_valid_rom_area(struct lp855x *lp, u8 addr) +{ + const char *id = lp->chipid; + u8 start, end; + + if (strstr(id, "lp8550") || strstr(id, "lp8551") + || strstr(id, "lp8552") || strstr(id, "lp8553")) { + start = EEPROM_START; + end = EEPROM_END; + } else if (strstr(id, "lp8556")) { + start = EPROM_START; + end = EPROM_END; + } + + return (addr >= start && addr <= end) ? 1 : 0; +} + +static void lp855x_init_device(struct lp855x *lp) +{ + u8 val, addr; + int i, ret; + struct lp855x_platform_data *pd = lp->pdata; + + val = pd->initial_brightness; + ret = lp855x_write_byte(lp, BRIGHTNESS_CTRL, val); + + val = pd->device_control; + ret |= lp855x_write_byte(lp, DEVICE_CTRL, val); + + if (pd->load_new_rom_data && pd->size_program) { + for (i = 0; i < pd->size_program; i++) { + addr = pd->rom_data[i].addr; + val = pd->rom_data[i].val; + if (!lp855x_is_valid_rom_area(lp, addr)) + continue; + + ret |= lp855x_write_byte(lp, addr, val); + } + } + + if (ret) + dev_err(lp->dev, "i2c write err\n"); +} + +static int lp855x_bl_update_status(struct backlight_device *bl) +{ + struct lp855x *lp = bl_get_data(bl); + enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; + + if (bl->props.state & BL_CORE_SUSPENDED) + bl->props.brightness = 0; + + if (mode == PWM_BASED) { + struct lp855x_pwm_data *pd = &lp->pdata->pwm_data; + int br = bl->props.brightness; + int max_br = bl->props.max_brightness; + + if (pd->pwm_set_intensity) + pd->pwm_set_intensity(br, max_br); + + } else if (mode == REGISTER_BASED) { + u8 val = bl->props.brightness; + lp855x_write_byte(lp, BRIGHTNESS_CTRL, val); + } + + return (bl->props.brightness); +} + +static int lp855x_bl_get_brightness(struct backlight_device *bl) +{ + struct lp855x *lp = bl_get_data(bl); + enum lp855x_brightness_ctrl_mode mode = lp->pdata->mode; + + if (mode == PWM_BASED) { + struct lp855x_pwm_data *pd = &lp->pdata->pwm_data; + int max_br = bl->props.max_brightness; + + if (pd->pwm_get_intensity) + bl->props.brightness = pd->pwm_get_intensity(max_br); + + } else if (mode == REGISTER_BASED) { + u8 val; + + lp855x_read_byte(lp, BRIGHTNESS_CTRL, &val); + bl->props.brightness = val; + } + + return (bl->props.brightness); +} + +static const struct backlight_ops lp855x_bl_ops = { + .options = BL_CORE_SUSPENDRESUME, + .update_status = lp855x_bl_update_status, + .get_brightness = lp855x_bl_get_brightness, +}; + +static int lp855x_backlight_register(struct lp855x *lp) +{ + struct backlight_device *bl; + struct backlight_properties props; + const char *name = lp->pdata->name; + + if (!name) + return -ENODEV; + + props.brightness = lp->pdata->initial_brightness; + props.max_brightness = + (lp->pdata->max_brightness < lp->pdata->initial_brightness) ? + 255 : lp->pdata->max_brightness; + + bl = backlight_device_register(name, lp->dev, lp, + &lp855x_bl_ops, &props); + if (IS_ERR(bl)) + return -EIO; + + lp->bl = bl; + + return 0; +} + +static void lp855x_backlight_unregister(struct lp855x *lp) +{ + if (lp->bl) + backlight_device_unregister(lp->bl); +} + +static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) +{ + struct lp855x *lp; + struct lp855x_platform_data *pdata = cl->dev.platform_data; + int ret; + + if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) + goto err_io; + + lp = kzalloc(sizeof(struct lp855x), GFP_KERNEL); + if (!lp) + goto err_mem; + + lp->client = cl; + lp->dev = &cl->dev; + lp->pdata = pdata; + lp->chipid = id->name; + i2c_set_clientdata(cl, lp); + + mutex_init(&lp->xfer_lock); + + lp855x_init_device(lp); + ret = lp855x_backlight_register(lp); + if (ret) + goto err_dev; + + backlight_update_status(lp->bl); + lp855x_create_debugfs(lp); + + return ret; + +err_io: + return -EIO; +err_mem: + return -ENOMEM; +err_dev: + dev_err(lp->dev, "can not register backlight device. errcode = %d\n", + ret); + kfree(lp); + return ret; +} + +static int __devexit lp855x_remove(struct i2c_client *cl) +{ + struct lp855x *lp = i2c_get_clientdata(cl); + + lp->bl->props.brightness = 0; + backlight_update_status(lp->bl); + lp855x_remove_debugfs(lp); + lp855x_backlight_unregister(lp); + kfree(lp); + + return 0; +} + +static const struct i2c_device_id lp855x_ids[] = { + {"lp8550", LP8550}, + {"lp8551", LP8551}, + {"lp8552", LP8552}, + {"lp8553", LP8553}, + {"lp8556", LP8556}, +}; + +static struct i2c_driver lp855x_driver = { + .driver = { + .name = "lp855x", + }, + .probe = lp855x_probe, + .remove = __devexit_p(lp855x_remove), + .id_table = lp855x_ids, +}; + +static int __init lp855x_init(void) +{ + return i2c_add_driver(&lp855x_driver); +} + +static void __exit lp855x_exit(void) +{ + i2c_del_driver(&lp855x_driver); +} + +module_init(lp855x_init); +module_exit(lp855x_exit); + +MODULE_DESCRIPTION("Texas Instruments LP855x Backlight driver"); +MODULE_AUTHOR("Milo Kim <milo.kim(a)ti.com>, Dainel Jeong <daniel.jeong(a)ti.com>"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/lp855x.h b/include/linux/lp855x.h new file mode 100644 index 0000000..16e2474 --- /dev/null +++ b/include/linux/lp855x.h @@ -0,0 +1,133 @@ +/* + * lp855x.h - TI LP8556 Backlight Driver + * + * Copyright (C) 2011 Texas Instruments + * + * 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. + * + */ + +#ifndef _LP855X_H +#define _LP855X_H + +#define BL_CTL_SHFT (0) +#define BRT_MODE_SHFT (1) +#define BRT_MODE_MASK (0x06) + +/* Enable backlight. Only valid when BRT_MODE=10(I2C only) */ +#define ENABLE_BL (1) +#define DISABLE_BL (0) + +#define I2C_CONFIG(id) id ## _I2C_CONFIG +#define PWM_CONFIG(id) id ## _PWM_CONFIG + +/* DEVICE CONTROL register - LP8550 */ +#define LP8550_PWM_CONFIG (LP8550_PWM_ONLY << BRT_MODE_SHFT) +#define LP8550_I2C_CONFIG ((ENABLE_BL << BL_CTL_SHFT) | \ + (LP8550_I2C_ONLY << BRT_MODE_SHFT)) + +/* DEVICE CONTROL register - LP8551 */ +#define LP8551_PWM_CONFIG LP8550_PWM_CONFIG +#define LP8551_I2C_CONFIG LP8550_I2C_CONFIG + +/* DEVICE CONTROL register - LP8552 */ +#define LP8552_PWM_CONFIG LP8550_PWM_CONFIG +#define LP8552_I2C_CONFIG LP8550_I2C_CONFIG + +/* DEVICE CONTROL register - LP8553 */ +#define LP8553_PWM_CONFIG LP8550_PWM_CONFIG +#define LP8553_I2C_CONFIG LP8550_I2C_CONFIG + +/* DEVICE CONTROL register - LP8556 */ +#define LP8556_PWM_CONFIG (LP8556_PWM_ONLY << BRT_MODE_SHFT) +#define LP8556_COMB1_CONFIG (LP8556_COMBINED1 << BRT_MODE_SHFT) +#define LP8556_I2C_CONFIG ((ENABLE_BL << BL_CTL_SHFT) | \ + (LP8556_I2C_ONLY << BRT_MODE_SHFT)) +#define LP8556_COMB2_CONFIG (LP8556_COMBINED2 << BRT_MODE_SHFT) + +/* ROM area boundary */ +#define EEPROM_START (0xA0) +#define EEPROM_END (0xA7) +#define EPROM_START (0xA0) +#define EPROM_END (0xAF) + +enum lp855x_chip_id { + LP8550, + LP8551, + LP8552, + LP8553, + LP8556, +}; + +enum lp855x_brightness_ctrl_mode { + PWM_BASED = 1, + REGISTER_BASED, +}; + +enum lp8550_brighntess_source { + LP8550_PWM_ONLY, + LP8550_I2C_ONLY = 2, +}; + +enum lp8551_brighntess_source { + LP8551_PWM_ONLY = LP8550_PWM_ONLY, + LP8551_I2C_ONLY = LP8550_I2C_ONLY, +}; + +enum lp8552_brighntess_source { + LP8552_PWM_ONLY = LP8550_PWM_ONLY, + LP8552_I2C_ONLY = LP8550_I2C_ONLY, +}; + +enum lp8553_brighntess_source { + LP8553_PWM_ONLY = LP8550_PWM_ONLY, + LP8553_I2C_ONLY = LP8550_I2C_ONLY, +}; + +enum lp8556_brightness_source { + LP8556_PWM_ONLY, + LP8556_COMBINED1, /* pwm + i2c before the shaper block */ + LP8556_I2C_ONLY, + LP8556_COMBINED2, /* pwm + i2c after the shaper block */ +}; + +struct lp855x_pwm_data { + void (*pwm_set_intensity) (int brightness, int max_brightness); + int (*pwm_get_intensity) (int max_brightness); +}; + +struct lp855x_rom_data { + u8 addr; + u8 val; +}; + +/** + * struct lp855x_platform_data + * @name : backlight driver name + * @mode : brightness control by pwm or lp855x register + * @device_control : value of DEVICE CONTROL register + * @initial_brightness : initial value of backlight brightness + * @max_brightness : maximum value of backlight brightness + * @pwm_data : platform specific pwm generation functions. + Only valid when mode is PWM_BASED. + * @load_new_rom_data : + 0 : use default configuration data + 1 : update values of eeprom or eprom registers on loading driver + * @size_program : total size of lp855x_rom_data + * @rom_data : list of new eeprom/eprom registers + */ +struct lp855x_platform_data { + const char *name; + enum lp855x_brightness_ctrl_mode mode; + u8 device_control; + int initial_brightness; + int max_brightness; + struct lp855x_pwm_data pwm_data; + u8 load_new_rom_data; + int size_program; + struct lp855x_rom_data *rom_data; +}; + +#endif -- 1.7.4.1 Best Regards Milo (Woogyom) Kim Texas Instruments Incorporated

13 years, 5 months

Linaro Audio Roadmap - requirements and comments?

by Kurt Taylor

Here is a list of the upcoming audio work for Linaro. I am planning on putting this together into a much more polished roadmap and schedule, but its a start. This is absolutely not set and I am actually looking for any additional requirements and comments. I am sure I have forgotten some, if you don't see your hot topic here, please respond. For the release++ (12.01) =================== Audio defects - several (~5) open at the moment, panda, android, etc UCM for PulseAudio - follow on work? Initial UCM for Android - ICS is here, time to actually get this started - port to panda first, decide on format/functionality Backlog: ====== PulseAudio optimization - continue the work I started in 1Q this year e2eAudioTest integration - further integration and feature enhancement of the code I just dropped and will be finishing this release (11.12) Audio Just Works - there is a lot of good usability tweaks that could be done so that the audio stack on the LEBs just work on all the dev boards AudioFlinger optimization - similar to the pulseaudio profiling and power optimization ST-E Alsa support - Landing Team? - this proposed for the landing team, just checking on the status as a possibility Others? Comments? -- Kurt Taylor (irc krtaylor) Linaro Multimedia Linaro.org <http://www.linaro.org/>* **│ *Open source software for ARM SoCs Follow *Linaro: *Facebook <http://www.facebook.com/pages/Linaro> | Twitter<http://twitter.com/#%21/linaroorg>| Blog <http://www.linaro.org/linaro-blog/>

13 years, 5 months

[ACTIVITY] OCTO weekly status report - wk48.2011 (20111128-20111202)

by Ilias Biris

Detailed report in https://wiki.linaro.org/OfficeofCTO/WeeklyReport Last weekly meeting minutes: https://wiki.linaro.org/OfficeofCTO/2011-12-06 Highlights (see the report for details - link at the top): - ARMHF is progressing well, on Debian and Ubuntu. Check out the daily images for Precise delivered in eg http://cdimage.ubuntu.com/daily-preinstalled/20111209/ (support for omap4/omap/mx5/ac1000 and possibly soon efika) - ARM Server - Started Server PM discussions with Paul and Amit - Kernel work - worked with PMWG to rework CPU hotplug on ARM, and also worked on 4G/4G - Boot Architecture: Meetings restarted, taking place once a month now. Let me know if you want to be invited to that. Next meeting is on Jan 12. Questions, clarifications, omissions? Please let me know! -- Ilias Biris ilias.biris(a)linaro.org Project Manager, Linaro M: +358504839608, IRC: ibiris Skype: ilias_biris Linaro.org│ Open source software for ARM SoCs

13 years, 5 months

[ACTIVITY] Multimedia WG - weekly report for wk48.2011 (20111128-20111202)

by Ilias Biris

Weekly dashboard (NEW layout!) with details and links: https://wiki.linaro.org/WorkingGroups/Middleware/Multimedia/WeeklyReport Last weekly meeting: https://wiki.linaro.org/WorkingGroups/Middleware/Multimedia/Notes/2011-12-06 Highlights: - New technical lead in charge and at large! Transition ongoing - completed drop of e2eaudiotest code - continued cleanup, testing on ubuntu on various platforms, tested device passing - pushed patches for DMM/TILER support for omapdrm and started dmabuf branch w/ DRM and V4L2 support - CMA testing seems to have been unblocked and LAVA tests are now being attempted - Realvideo - First set of Realvideo NEON patches sent upstream and Realvideo samples uploaded - Docs updated: LAVA testing for CMA (https://wiki.linaro.org/OfficeofCTO/MemoryManagement/Validation/CMATest) and Test definition for LAVA testing of Multimedia components (https://wiki.linaro.org/Internal/People/RonyNandy/LAVAforMultimedia) Issues/Changes - Due to a misunderstanding UCM 4 Android was planned for 11.12 - but work will start in 12.01 so the blueprint will move to 12.01 - xbmc + dri2video work - started but since there's no xorg hw support on i.mx53 with linaro image (and will probably be missing also for 11.12) the blueprint will move to 12.01 - LJT huffman decoder NEON optimisation will probably also move to 12.01. Questions/issues? Please let me know, -- Ilias Biris ilias.biris(a)linaro.org Project Manager, Linaro M: +358504839608, IRC: ibiris Skype: ilias_biris Linaro.org│ Open source software for ARM SoCs

13 years, 5 months

[Activity] Kernel WG Weekly Status report for week ending 2011-12-09

by Mounir Bsaibes

Enclosed please find the link to the Weekly Status & Individual Activity reports for the kernel working group for the week ending 2011-12-09 == Weekly Status Report == https://wiki.linaro.org/WorkingGroups/Kernel/Status/2011-12-08 == Individual Activity Report == https://wiki.linaro.org/WorkingGroups/Kernel/ActivityReports/2011-12-02 == Summary == (For more details, please see the Status report or the Individual Activity report above) * Initial sessions for Linaro Connect: http://connect.linaro.org/events/event/lcq1-12/ are set, please see http://summit.ubuntu.com/lcq1-12/track/linaro-kernel/ * Linaro-Android kernel 11.12 release is made available git:// android.git.linaro.org/kernel/linaro-android.git, tagged as: linux-linaro-3.2-2011.12-0- android-0 * Device Tree * Progressing on Versatile express DT support, reviewing of Pawel's patches, some issues came up when testing, but the series appears almost ready. * Sent v2 of mc13892-regulator device tree support series * Reviewed v5 of the regulator core DT support patches. * Started adding regulator DT support for Origen board. * omap-serial DT support patches acked by Rob. * Pinctl * Added support for pin-configuration for OMAP4 using the v4 of the pinconf core support patches. Data still in the driver and not moved to DT. * ashmem * Sent out fadvise based ashmem alternative patch to lkml for review. Writeup at lwn: http://lwn.net/Articles/468896/ * Started reworking ashmem alternative idea from lkml feedback. * Single kernel * Reworked AMBA modalias series on top of the file2alias.c cleanup patches proposed on lkml. Best regards, Mounir -- Mounir Bsaibes Project Manager Follow Linaro.org: facebook.com/pages/Linaro/155974581091106 http://twitter.com/#!/linaroorg http://www.linaro.org/linaro-blog <http://www.linaro.org/linaro-blog>

13 years, 5 months

[PATCH 05/06] Power: DA9052 Battery module V5

by Ashish Jangam

Driver for DA9052 battery charger. This driver depends on DA9052 MFD core dirver for definitions and methods. This patch is functionally tested on Samsung SMDKV6410. Signed-off-by: David Dajun Chen <dchen(a)diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam(a)kpitcummins.com> --- Changes since v4 - Remove unnecessary type cast - Improve code readability Changes since v3 - Included power_supply.h file - Corrected the definition of DA9052_BAT_THRESHOLD macro - Changed definition of charger_type_enum - Added API da9052_battery_read_end_current - Added API da9052_battery_check_status - Changed the way of handling the interrupts in da9052_bat_irq Changes since v2 - Correct code styling for inline functions - Remove averaging algorithm - Set use_for_apm thru board specific parameter --- drivers/power/Kconfig | 7 + drivers/power/Makefile | 1 + drivers/power/da9052-battery.c | 615 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 623 insertions(+), 0 deletions(-) create mode 100644 drivers/power/da9052-battery.c diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 9f88641..9696502 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -150,6 +150,13 @@ config BATTERY_DA9030 Say Y here to enable support for batteries charger integrated into DA9030 PMIC. +config BATTERY_DA9052 + tristate "Dialog DA9052 Battery" + depends on PMIC_DA9052 + help + Say Y here to enable support for batteries charger integrated into + DA9052 PMIC. + config BATTERY_MAX17040 tristate "Maxim MAX17040 Fuel Gauge" depends on I2C diff --git a/drivers/power/Makefile b/drivers/power/Makefile index b4af13d..c570e20 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o obj-$(CONFIG_BATTERY_BQ20Z75) += bq20z75.o obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o obj-$(CONFIG_BATTERY_DA9030) += da9030_battery.o +obj-$(CONFIG_BATTERY_DA9052) += da9052-battery.o obj-$(CONFIG_BATTERY_MAX17040) += max17040_battery.o obj-$(CONFIG_BATTERY_MAX17042) += max17042_battery.o obj-$(CONFIG_BATTERY_Z2) += z2_battery.o diff --git a/drivers/power/da9052-battery.c b/drivers/power/da9052-battery.c new file mode 100644 index 0000000..70f33ad --- /dev/null +++ b/drivers/power/da9052-battery.c @@ -0,0 +1,615 @@ +/* + * Batttery Driver for Dialog DA9052 PMICs + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * 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. + * + */ + +#include <linux/delay.h> +#include <linux/freezer.h> +#include <linux/fs.h> +#include <linux/jiffies.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/uaccess.h> +#include <linux/platform_device.h> +#include <linux/power_supply.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/pdata.h> +#include <linux/mfd/da9052/reg.h> + +/* STATIC CONFIGURATION */ +#define DA9052_BAT_CUTOFF_VOLT 2800 +#define DA9052_BAT_TSH 62000 +#define DA9052_BAT_LOW_CAP 4 +#define DA9052_AVG_SZ 4 +#define DA9052_VC_TBL_SZ 68 +#define DA9052_VC_TBL_REF_SZ 3 + +#define DA9052_MEAN(x, y) ((x + y) / 2) + +enum charger_type_enum { + DA9052_NOCHARGER = 1, + DA9052_CHARGER, +}; + +static const u16 vc_tbl_ref[3] = {10, 25, 40}; +/* Lookup table for voltage vs capacity */ +static u32 const vc_tbl[3][68][2] = { + /* For temperature 10 degree celisus*/ + { + {4082, 100}, {4036, 98}, + {4020, 96}, {4008, 95}, + {3997, 93}, {3983, 91}, + {3964, 90}, {3943, 88}, + {3926, 87}, {3912, 85}, + {3900, 84}, {3890, 82}, + {3881, 80}, {3873, 79}, + {3865, 77}, {3857, 76}, + {3848, 74}, {3839, 73}, + {3829, 71}, {3820, 70}, + {3811, 68}, {3802, 67}, + {3794, 65}, {3785, 64}, + {3778, 62}, {3770, 61}, + {3763, 59}, {3756, 58}, + {3750, 56}, {3744, 55}, + {3738, 53}, {3732, 52}, + {3727, 50}, {3722, 49}, + {3717, 47}, {3712, 46}, + {3708, 44}, {3703, 43}, + {3700, 41}, {3696, 40}, + {3693, 38}, {3691, 37}, + {3688, 35}, {3686, 34}, + {3683, 32}, {3681, 31}, + {3678, 29}, {3675, 28}, + {3672, 26}, {3669, 25}, + {3665, 23}, {3661, 22}, + {3656, 21}, {3651, 19}, + {3645, 18}, {3639, 16}, + {3631, 15}, {3622, 13}, + {3611, 12}, {3600, 10}, + {3587, 9}, {3572, 7}, + {3548, 6}, {3503, 5}, + {3420, 3}, {3268, 2}, + {2992, 1}, {2746, 0} + }, + /* For temperature 25 degree celisus */ + { + {4102, 100}, {4065, 98}, + {4048, 96}, {4034, 95}, + {4021, 93}, {4011, 92}, + {4001, 90}, {3986, 88}, + {3968, 87}, {3952, 85}, + {3938, 84}, {3926, 82}, + {3916, 81}, {3908, 79}, + {3900, 77}, {3892, 76}, + {3883, 74}, {3874, 73}, + {3864, 71}, {3855, 70}, + {3846, 68}, {3836, 67}, + {3827, 65}, {3819, 64}, + {3810, 62}, {3801, 61}, + {3793, 59}, {3786, 58}, + {3778, 56}, {3772, 55}, + {3765, 53}, {3759, 52}, + {3754, 50}, {3748, 49}, + {3743, 47}, {3738, 46}, + {3733, 44}, {3728, 43}, + {3724, 41}, {3720, 40}, + {3716, 38}, {3712, 37}, + {3709, 35}, {3706, 34}, + {3703, 33}, {3701, 31}, + {3698, 30}, {3696, 28}, + {3693, 27}, {3690, 25}, + {3687, 24}, {3683, 22}, + {3680, 21}, {3675, 19}, + {3671, 18}, {3666, 17}, + {3660, 15}, {3654, 14}, + {3647, 12}, {3639, 11}, + {3630, 9}, {3621, 8}, + {3613, 6}, {3606, 5}, + {3597, 4}, {3582, 2}, + {3546, 1}, {2747, 0} + }, + /* For temperature 40 degree celisus*/ + { + {4114, 100}, {4081, 98}, + {4065, 96}, {4050, 95}, + {4036, 93}, {4024, 92}, + {4013, 90}, {4002, 88}, + {3990, 87}, {3976, 85}, + {3962, 84}, {3950, 82}, + {3939, 81}, {3930, 79}, + {3921, 77}, {3912, 76}, + {3902, 74}, {3893, 73}, + {3883, 71}, {3874, 70}, + {3865, 68}, {3856, 67}, + {3847, 65}, {3838, 64}, + {3829, 62}, {3820, 61}, + {3812, 59}, {3803, 58}, + {3795, 56}, {3787, 55}, + {3780, 53}, {3773, 52}, + {3767, 50}, {3761, 49}, + {3756, 47}, {3751, 46}, + {3746, 44}, {3741, 43}, + {3736, 41}, {3732, 40}, + {3728, 38}, {3724, 37}, + {3720, 35}, {3716, 34}, + {3713, 33}, {3710, 31}, + {3707, 30}, {3704, 28}, + {3701, 27}, {3698, 25}, + {3695, 24}, {3691, 22}, + {3686, 21}, {3681, 19}, + {3676, 18}, {3671, 17}, + {3666, 15}, {3661, 14}, + {3655, 12}, {3648, 11}, + {3640, 9}, {3632, 8}, + {3622, 6}, {3616, 5}, + {3611, 4}, {3604, 2}, + {3594, 1}, {2747, 0} + } +}; + +struct da9052_battery { + struct da9052 *da9052; + struct power_supply psy; + int charger_type; + int status; + int health; +}; + +static inline int volt_reg_to_mV(int value) +{ + return ((value * 1000) / 512) + 2500; +} + +static inline int ichg_reg_to_mA(int value) +{ + return (value * 3900) / 1000; +} + +static int da9052_read_chgend_current(struct da9052_battery *bat, + int *current_mA) +{ + int ret; + + if (bat->status == POWER_SUPPLY_STATUS_DISCHARGING) + return -EINVAL; + + ret = da9052_reg_read(bat->da9052, DA9052_ICHG_END_REG); + if (ret < 0) + return ret; + + *current_mA = ichg_reg_to_mA(ret & DA9052_ICHGEND_ICHGEND); + + return 0; +} + +static int da9052_read_chg_current(struct da9052_battery *bat, int *current_mA) +{ + int ret; + + if (bat->status == POWER_SUPPLY_STATUS_DISCHARGING) + return -EINVAL; + + ret = da9052_reg_read(bat->da9052, DA9052_ICHG_AV_REG); + if (ret < 0) + return ret; + + *current_mA = ichg_reg_to_mA(ret & DA9052_ICHGAV_ICHGAV); + + return 0; +} + +static int da9052_bat_check_status(struct da9052_battery *bat, int *status) +{ + u8 v[2] = {0, 0}; + u8 bat_status; + u8 chg_end; + int ret; + int chg_current; + int chg_end_current; + bool dcinsel; + bool dcindet; + bool vbussel; + bool vbusdet; + bool dc; + bool vbus; + + ret = da9052_group_read(bat->da9052, DA9052_STATUS_A_REG, 2, v); + if (ret < 0) + return ret; + + bat_status = v[0]; + chg_end = v[1]; + + dcinsel = bat_status & DA9052_STATUSA_DCINSEL; + dcindet = bat_status & DA9052_STATUSA_DCINDET; + vbussel = bat_status & DA9052_STATUSA_VBUSSEL; + vbusdet = bat_status & DA9052_STATUSA_VBUSDET; + dc = dcinsel && dcindet; + vbus = vbussel && vbusdet; + + /* Preference to WALL(DCIN) charger unit */ + if (dc || vbus) { + bat->charger_type = DA9052_CHARGER; + + /* If charging end flag is set and Charging current is greater + * than charging end limit then battery is charging + */ + if ((chg_end & DA9052_STATUSB_CHGEND) != 0) { + ret = da9052_read_chg_current(bat, &chg_current); + if (ret < 0) + return ret; + ret = da9052_read_chgend_current(bat, &chg_end_current); + if (ret < 0) + return ret; + + if (chg_current >= chg_end_current) + bat->status = POWER_SUPPLY_STATUS_CHARGING; + else + bat->status = POWER_SUPPLY_STATUS_NOT_CHARGING; + } else { + /* If Charging end flag is cleared then battery is + * charging + */ + bat->status = POWER_SUPPLY_STATUS_CHARGING; + } + } else if (dcindet || vbusdet) { + bat->charger_type = DA9052_CHARGER; + bat->status = POWER_SUPPLY_STATUS_NOT_CHARGING; + } else { + bat->charger_type = DA9052_NOCHARGER; + bat->status = POWER_SUPPLY_STATUS_DISCHARGING; + } + + if (status != NULL) + *status = bat->status; + return 0; +} + +static int da9052_bat_read_volt(struct da9052_battery *bat, int *volt_mV) +{ + int volt; + + volt = da9052_adc_manual_read(bat->da9052, DA9052_ADC_MAN_MUXSEL_VBAT); + if (volt < 0) + return volt; + + *volt_mV = volt_reg_to_mV(volt); + + return 0; +} + +static int da9052_bat_check_presence(struct da9052_battery *bat, int *illegal) +{ + int bat_temp; + + bat_temp = da9052_adc_read_temp(bat->da9052); + if (bat_temp < 0) + return bat_temp; + + if (bat_temp > DA9052_BAT_TSH) + *illegal = 1; + else + *illegal = 0; + + return 0; +} + +static int da9052_bat_interpolate(int vbat_lower, int vbat_upper, + int level_lower, int level_upper, + int bat_voltage) +{ + int tmp; + + tmp = ((level_upper - level_lower) * 1000) / (vbat_upper - vbat_lower); + tmp = level_lower + (((bat_voltage - vbat_lower) * tmp) / 1000); + + return tmp; +} + +unsigned char da9052_determine_vc_tbl_index(unsigned char adc_temp) +{ + int i; + + if (adc_temp <= vc_tbl_ref[0]) + return 0; + + if (adc_temp > vc_tbl_ref[DA9052_VC_TBL_REF_SZ - 1]) + return DA9052_VC_TBL_REF_SZ - 1; + + for (i = 0; i < DA9052_VC_TBL_REF_SZ; i++) { + if ((adc_temp > vc_tbl_ref[i]) && + (adc_temp <= DA9052_MEAN(vc_tbl_ref[i], vc_tbl_ref[i + 1]))) + return i; + if ((adc_temp > DA9052_MEAN(vc_tbl_ref[i], vc_tbl_ref[i + 1])) + && (adc_temp <= vc_tbl_ref[i])) + return i + 1; + } +} + +static int da9052_bat_read_capacity(struct da9052_battery *bat, int *capacity) +{ + int adc_temp; + int bat_voltage; + int vbat_lower; + int vbat_upper; + int level_upper; + int level_lower; + int ret; + int flag; + int i = 0; + int j; + + ret = da9052_bat_read_volt(bat, &bat_voltage); + if (ret < 0) + return ret; + + adc_temp = da9052_adc_read_temp(bat->da9052); + if (adc_temp < 0) + return adc_temp; + + i = da9052_determine_vc_tbl_index(adc_temp); + + if (bat_voltage >= vc_tbl[i][0][0]) { + *capacity = 100; + return 0; + } + if (bat_voltage <= vc_tbl[i][DA9052_VC_TBL_SZ - 1][0]) { + *capacity = 0; + return 0; + } + flag = 0; + + for (j = 0; j < (DA9052_VC_TBL_SZ-1); j++) { + if ((bat_voltage <= vc_tbl[i][j][0]) && + (bat_voltage >= vc_tbl[i][j + 1][0])) { + vbat_upper = vc_tbl[i][j][0]; + vbat_lower = vc_tbl[i][j + 1][0]; + level_upper = vc_tbl[i][j][1]; + level_lower = vc_tbl[i][j + 1][1]; + flag = 1; + break; + } + } + if (!flag) + return -EIO; + + *capacity = da9052_bat_interpolate(vbat_lower, vbat_upper, level_lower, + level_upper, bat_voltage); + + return 0; +} + +static int da9052_bat_check_health(struct da9052_battery *bat, int *health) +{ + int ret; + int bat_illegal; + int capacity; + + ret = da9052_bat_check_presence(bat, &bat_illegal); + if (ret < 0) + return ret; + + if (bat_illegal) { + bat->health = POWER_SUPPLY_HEALTH_UNKNOWN; + return 0; + } + + if (bat->health != POWER_SUPPLY_HEALTH_OVERHEAT) { + ret = da9052_bat_read_capacity(bat, &capacity); + if (ret < 0) + return ret; + if (capacity < DA9052_BAT_LOW_CAP) + bat->health = POWER_SUPPLY_HEALTH_DEAD; + else + bat->health = POWER_SUPPLY_HEALTH_GOOD; + } + + *health = bat->health; + + return 0; +} + +static irqreturn_t da9052_bat_irq(int irq, void *data) +{ + struct da9052_battery *bat = data; + + irq -= bat->da9052->irq_base; + + if (irq == DA9052_IRQ_CHGEND) + bat->status = POWER_SUPPLY_STATUS_FULL; + else + da9052_bat_check_status(bat, NULL); + + if (irq == DA9052_IRQ_CHGEND || irq == DA9052_IRQ_DCIN || + irq == DA9052_IRQ_VBUS || irq == DA9052_IRQ_TBAT) { + power_supply_changed(&bat->psy); + } + + return IRQ_HANDLED; +} + +static int da9052_bat_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + int ret; + int illegal; + struct da9052_battery *bat = container_of(psy, struct da9052_battery, + psy); + + ret = da9052_bat_check_presence(bat, &illegal); + if (ret < 0) + return ret; + + if (illegal && psp != POWER_SUPPLY_PROP_PRESENT) + return -ENODEV; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + ret = da9052_bat_check_status(bat, &val->intval); + break; + case POWER_SUPPLY_PROP_ONLINE: + val->intval = + (bat->charger_type == DA9052_NOCHARGER) ? 0 : 1; + break; + case POWER_SUPPLY_PROP_PRESENT: + ret = da9052_bat_check_presence(bat, &val->intval); + break; + case POWER_SUPPLY_PROP_HEALTH: + ret = da9052_bat_check_health(bat, &val->intval); + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + val->intval = DA9052_BAT_CUTOFF_VOLT * 1000; + break; + case POWER_SUPPLY_PROP_VOLTAGE_AVG: + ret = da9052_bat_read_volt(bat, &val->intval); + break; + case POWER_SUPPLY_PROP_CURRENT_AVG: + ret = da9052_read_chg_current(bat, &val->intval); + break; + case POWER_SUPPLY_PROP_CAPACITY: + ret = da9052_bat_read_capacity(bat, &val->intval); + break; + case POWER_SUPPLY_PROP_TEMP: + val->intval = da9052_adc_read_temp(bat->da9052); + ret = val->intval; + break; + case POWER_SUPPLY_PROP_TECHNOLOGY: + val->intval = POWER_SUPPLY_TECHNOLOGY_LION; + break; + default: + return -EINVAL; + } + return ret; +} + +static enum power_supply_property da9052_bat_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_AVG, + POWER_SUPPLY_PROP_CURRENT_AVG, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_TECHNOLOGY, +}; + +static struct power_supply template_battery = { + .name = "da9052-bat", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = da9052_bat_props, + .num_properties = ARRAY_SIZE(da9052_bat_props), + .get_property = da9052_bat_get_property, +}; + +static const char *const da9052_bat_irqs[] = { + "BATT TEMP", + "DCIN DET", + "DCIN REM", + "VBUS DET", + "VBUS REM", + "CHG END", +}; + +static s32 __devinit da9052_bat_probe(struct platform_device *pdev) +{ + struct da9052_pdata *pdata; + struct da9052_battery *bat; + int ret; + int irq; + int i; + + bat = kzalloc(sizeof(struct da9052_battery), GFP_KERNEL); + if (!bat) + return -ENOMEM; + + bat->da9052 = dev_get_drvdata(pdev->dev.parent); + pdata = bat->da9052->dev->platform_data; + + bat->psy = template_battery; + if (pdata != NULL && pdata->use_for_apm) + bat->psy.use_for_apm = pdata->use_for_apm; + bat->charger_type = DA9052_NOCHARGER; + bat->status = POWER_SUPPLY_STATUS_UNKNOWN; + bat->health = POWER_SUPPLY_HEALTH_UNKNOWN; + + for (i = 0; i < ARRAY_SIZE(da9052_bat_irqs); i++) { + irq = platform_get_irq_byname(pdev, da9052_bat_irqs[i]); + ret = request_threaded_irq(bat->da9052->irq_base + irq, + NULL, da9052_bat_irq, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + da9052_bat_irqs[i], bat); + if (ret != 0) { + dev_err(bat->da9052->dev, + "DA9052 failed to request %s IRQ %d: %d\n", + da9052_bat_irqs[i], irq, ret); + goto err; + } + } + + ret = power_supply_register(&pdev->dev, &bat->psy); + if (ret) + goto err; + + return 0; + +err: + for (; i >= 0; i--) { + irq = platform_get_irq_byname(pdev, da9052_bat_irqs[i]); + free_irq(bat->da9052->irq_base + irq, bat); + } + kfree(bat); + return ret; +} +static int __devexit da9052_bat_remove(struct platform_device *pdev) +{ + int i; + int irq; + struct da9052_battery *bat = platform_get_drvdata(pdev); + + for (i = 0; i < ARRAY_SIZE(da9052_bat_irqs); i++) { + irq = platform_get_irq_byname(pdev, da9052_bat_irqs[i]); + free_irq(bat->da9052->irq_base + irq, bat); + } + power_supply_unregister(&bat->psy); + + return 0; +} + +static struct platform_driver da9052_bat_driver = { + .probe = da9052_bat_probe, + .remove = __devexit_p(da9052_bat_remove), + .driver = { + .name = "da9052-bat", + .owner = THIS_MODULE, + }, +}; + +static int __init da9052_bat_init(void) +{ + return platform_driver_register(&da9052_bat_driver); +} +module_init(da9052_bat_init); + +static void __exit da9052_bat_exit(void) +{ + platform_driver_unregister(&da9052_bat_driver); +} +module_exit(da9052_bat_exit); + +MODULE_DESCRIPTION("DA9052 BAT Device Driver"); +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9052-bat"); -- 1.7.1

13 years, 5 months

[PATCH 04/06] GPIO: Moved some defines to a header file v1

by Ashish Jangam

LED module has dependency on some gpio macros therefore they are moved to a header file. This patch is functionally tested on Samsung SMDKV6410. Signed-off-by: David Dajun Chen <dchen(a)diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam(a)kpitcummins.com> --- drivers/gpio/gpio-da9052.c | 26 ++------------------- include/linux/mfd/da9052/gpio.h | 46 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+), 23 deletions(-) create mode 100644 include/linux/mfd/da9052/gpio.h diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c index 038f5eb..662f92e 100644 --- a/drivers/gpio/gpio-da9052.c +++ b/drivers/gpio/gpio-da9052.c @@ -24,26 +24,6 @@ #include <linux/mfd/da9052/pdata.h> #include <linux/mfd/da9052/gpio.h> -#define DA9052_INPUT 1 -#define DA9052_OUTPUT_OPENDRAIN 2 -#define DA9052_OUTPUT_PUSHPULL 3 - -#define DA9052_SUPPLY_VDD_IO1 0 - -#define DA9052_DEBOUNCING_OFF 0 -#define DA9052_DEBOUNCING_ON 1 - -#define DA9052_OUTPUT_LOWLEVEL 0 - -#define DA9052_ACTIVE_LOW 0 -#define DA9052_ACTIVE_HIGH 1 - -#define DA9052_GPIO_MAX_PORTS_PER_REGISTER 8 -#define DA9052_GPIO_SHIFT_COUNT(no) (no%8) -#define DA9052_GPIO_MASK_UPPER_NIBBLE 0xF0 -#define DA9052_GPIO_MASK_LOWER_NIBBLE 0x0F -#define DA9052_GPIO_NIBBLE_SHIFT 4 - struct da9052_gpio { struct da9052 *da9052; struct gpio_chip gp; @@ -201,9 +181,9 @@ static struct gpio_chip reference_gp __devinitdata = { .direction_input = da9052_gpio_direction_input, .direction_output = da9052_gpio_direction_output, .to_irq = da9052_gpio_to_irq, - .can_sleep = 1; - .ngpio = 16; - .base = -1; + .can_sleep = 1, + .ngpio = 16, + .base = -1, }; static int __devinit da9052_gpio_probe(struct platform_device *pdev) diff --git a/include/linux/mfd/da9052/gpio.h b/include/linux/mfd/da9052/gpio.h new file mode 100644 index 0000000..8c8eda0 --- /dev/null +++ b/include/linux/mfd/da9052/gpio.h @@ -0,0 +1,46 @@ +/* + * GPIO module declarations for DA9052 PMICs. + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __LINUX_MFD_DA9052_GPIO_H +#define __LINUX_MFD_DA9052_GPIO_H + +#define DA9052_INPUT 1 +#define DA9052_OUTPUT_OPENDRAIN 2 +#define DA9052_OUTPUT_PUSHPULL 3 + +#define DA9052_SUPPLY_VDD_IO1 0 + +#define DA9052_DEBOUNCING_OFF 0 +#define DA9052_DEBOUNCING_ON 1 + +#define DA9052_OUTPUT_LOWLEVEL 0 + +#define DA9052_ACTIVE_LOW 0 +#define DA9052_ACTIVE_HIGH 1 + +#define DA9052_GPIO_MAX_PORTS_PER_REGISTER 8 +#define DA9052_GPIO_SHIFT_COUNT(no) (no%8) +#define DA9052_GPIO_MASK_UPPER_NIBBLE 0xF0 +#define DA9052_GPIO_MASK_LOWER_NIBBLE 0x0F +#define DA9052_GPIO_NIBBLE_SHIFT 4 +#define DA9052_IRQ_GPI0 16 + +#endif /* __LINUX_MFD_DA9052_GPIO_H */ -- 1.7.1

13 years, 5 months

[PATCH 00/06] DA9052 patch series

by Ashish Jangam

The following patch series adds initial support for the Dialog Semiconductor DA9052/53 PMICs. The DA9052/53 PMICs support many functionalities like GPIOs, regulators, power-supply, touchscreen, rtc, backlight, etc. So these patches are applicable to different sub-systems of the kernel separately. This patch series adds support for MFD, Regulator, Battery and GPIO. Support for rest of the devices will be added later. All the other patches depend on the MFD module of the patch series. There is no other interdependance of patches. Ashish Jangam (6): [MFD]: Core module of DA9052/53 PMICs with I2C and regmap support. [MFD]: Incremental with ADC support. Battery patch also depends on this. [MFD]: Incremental with SPI support. GPIO: Incremental patch for DA9052/53 PMICs gpio driver. [REGULATOR]: Support for DA9052/53 PMICs regulators. [POWER]: Support for DA9052/53 battery. drivers/gpio/gpio-da9052.c | 26 +- drivers/mfd/Kconfig | 28 ++ drivers/mfd/Makefile | 5 + drivers/mfd/da9052-core.c | 553 ++++++++++++++++++++++++ drivers/mfd/da9052-i2c.c | 144 +++++++ drivers/mfd/da9052-spi.c | 121 ++++++ drivers/power/Kconfig | 7 + drivers/power/Makefile | 1 + drivers/power/da9052-battery.c | 615 +++++++++++++++++++++++++++ drivers/regulator/Kconfig | 7 + drivers/regulator/Makefile | 1 + drivers/regulator/da9052-regulator.c | 600 ++++++++++++++++++++++++++ include/linux/mfd/da9052/da9052.h | 173 ++++++++ include/linux/mfd/da9052/gpio.h | 46 ++ include/linux/mfd/da9052/pdata.h | 40 ++ include/linux/mfd/da9052/reg.h | 778 ++++++++++++++++++++++++++++++++++ 16 files changed, 3122 insertions(+), 23 deletions(-) create mode 100644 drivers/mfd/da9052-core.c create mode 100644 drivers/mfd/da9052-i2c.c create mode 100644 drivers/mfd/da9052-spi.c create mode 100644 drivers/power/da9052-battery.c create mode 100644 drivers/regulator/da9052-regulator.c create mode 100644 include/linux/mfd/da9052/da9052.h create mode 100644 include/linux/mfd/da9052/gpio.h create mode 100644 include/linux/mfd/da9052/pdata.h create mode 100644 include/linux/mfd/da9052/reg.h

13 years, 5 months

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