From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756515AbbAIIp3 (ORCPT ); Fri, 9 Jan 2015 03:45:29 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:37271 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756021AbbAIIpT (ORCPT ); Fri, 9 Jan 2015 03:45:19 -0500 X-AuditID: cbfee691-f79b86d000004a5a-84-54af951c1068 From: Beomho Seo To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, sre@kernel.org Cc: lee.jone@linaro.org, broonie@kernel.org, dbaryshkov@gmail.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, cw00.choi@samsung.com, inki.dae@samsung.com, sw0312.kim@samsung.com, Beomho Seo , David Woodhouse Subject: [PATCH v2 2/3] power: rt5033_charger: Add RT5033 charger device driver Date: Fri, 09 Jan 2015 17:45:12 +0900 Message-id: <1420793114-20586-3-git-send-email-beomho.seo@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1420793114-20586-1-git-send-email-beomho.seo@samsung.com> References: <1420793114-20586-1-git-send-email-beomho.seo@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprHIsWRmVeSWpSXmKPExsWyRsSkUFdm6voQgxuvdCxOf9rGbjH14RM2 i+tfnrNaTHryntli/pFzrBYTV05mtuh/s5DV4tyrlYwWk+5PYLF4v+cMo8XlXXPYLD73HmG0 WHr9IpPFhOlrWSxa9x5htzi9u8RixuSXbA6CHmvmrWH0uNzXy+Sxc9Zddo+Vy7+weWxeoeWx aVUnm8eda3vYPPq2rGL0+LxJLoAzissmJTUnsyy1SN8ugSvj6LmCgp3VFYfvzmNsYPye1sXI ySEhYCJx6tEcZghbTOLCvfVsXYxcHEICSxklzr1sYYQpenC6kwkisYhR4sH3bywgCSGBNiaJ trmeIDabgKbE+ylXwOIiAhkS2zumMIM0MAucZZKY+LaHHSQhLOAv0de1gA3EZhFQlVjXOBls Na+Am8STzdeBbA6gbQoScybZgIQ5BdwlXm6ZwAqxy01iy4ZzrCAzJQQaOSRO/33DDDFHQOLb 5EMsEL2yEpsOQH0jKXFwxQ2WCYzCCxgZVjGKphYkFxQnpReZ6hUn5haX5qXrJefnbmIERtvp f88m7mC8f8D6EKMAB6MSD+8GufUhQqyJZcWVuYcYTYE2TGSWEk3OB8Z0Xkm8obGZkYWpiamx kbmlmZI4r470z2AhgfTEktTs1NSC1KL4otKc1OJDjEwcnFINjPzRTgGLHy+6cjT5yqZ/j08Y vlj4//yfz88cLllmaf25bMNn/y3gU9bcJu5r632zuswnFNZFtFdPcWl43v0xQlahV/l00r5p O/2zptpOff+yt5HlYOPJy6b9Hn4xnjprkl6nr6g2+Pni0O5ny/+673Y/58ym5bZtzpfV296a ScbZLrlvk9NVZa/EUpyRaKjFXFScCADTg2IIsQIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrBIsWRmVeSWpSXmKPExsVy+t9jAV2ZqetDDFYeVLA4/Wkbu8XUh0/Y LK5/ec5qMenJe2aL+UfOsVpMXDmZ2aL/zUJWi3OvVjJaTLo/gcXi/Z4zjBaXd81hs/jce4TR Yun1i0wWE6avZbFo3XuE3eL07hKLGZNfsjkIeqyZt4bR43JfL5PHzll32T1WLv/C5rF5hZbH plWdbB53ru1h8+jbsorR4/MmuQDOqAZGm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNL C3MlhbzE3FRbJRefAF23zBygX5QUyhJzSoFCAYnFxUr6dpgmhIa46VrANEbo+oYEwfUYGaCB hDWMGUfPFRTsrK44fHceYwPj97QuRk4OCQETiQenO5kgbDGJC/fWs3UxcnEICSxilHjw/RsL SEJIoI1Jom2uJ4jNJqAp8X7KFbC4iECGxPaOKcwgDcwCZ5kkJr7tYQdJCAv4S/R1LWADsVkE VCXWNU5mBrF5Bdwknmy+DmRzAG1TkJgzyQYkzCngLvFyywRWiF1uEls2nGOdwMi7gJFhFaNo akFyQXFSeq6RXnFibnFpXrpecn7uJkZwLD+T3sG4qsHiEKMAB6MSD+8GufUhQqyJZcWVuYcY JTiYlUR4D00ACvGmJFZWpRblxxeV5qQWH2I0BTpqIrOUaHI+MM3klcQbGpuYGVkamRtaGBmb K4nzKtm3hQgJpCeWpGanphakFsH0MXFwSjUwLlHnaOOK3/h2hpOtxieeTaZa60V0G+VKstcU M4mtzX9SctBks/VWfrcZKvwcuQs83vwqPO52PKFy74okDZvlSze/js+ZVPBgW2pe7YxZN7S1 cu68PMpVUDyjuJDDXtL8sUTD7MAbB50L/2cntyqUt1TppU5pFs/3XxgpuXLz/JhHxtN+cccr sRRnJBpqMRcVJwIAOu7BTvsCAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch add device driver of Richtek RT5033 PMIC. The driver support switching charger. rt5033 charger provide three charging mode. Three charging mode are pre charge mode, fast cahrge mode and constant voltage mode. They are have vary charge rate, charge parameters. The charge parameters can be controlled by i2c interface. Cc: Sebastian Reichel Cc: Dmitry Eremin-Solenikov Cc: David Woodhouse Signed-off-by: Beomho Seo Acked-by: Chanwoo Choi --- Changes in v2 - none --- drivers/power/Kconfig | 8 + drivers/power/Makefile | 1 + drivers/power/rt5033_charger.c | 485 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 494 insertions(+) create mode 100644 drivers/power/rt5033_charger.c diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index da6981f..629b101 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -405,6 +405,14 @@ config BATTERY_RT5033 The fuelgauge calculates and determines the battery state of charge according to battery open circuit voltage. +config CHARGER_RT5033 + tristate "RT5033 battery charger support" + depends on MFD_RT5033 + help + This adds support for battery charger in Richtek RT5033 PMIC. + The device supports pre-charge mode, fast charge mode and + constant voltage mode. + source "drivers/power/reset/Kconfig" endif # POWER_SUPPLY diff --git a/drivers/power/Makefile b/drivers/power/Makefile index b83a0c7..bb8cce3 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -57,6 +57,7 @@ obj-$(CONFIG_CHARGER_BQ2415X) += bq2415x_charger.o obj-$(CONFIG_CHARGER_BQ24190) += bq24190_charger.o obj-$(CONFIG_CHARGER_BQ24735) += bq24735-charger.o obj-$(CONFIG_POWER_AVS) += avs/ +obj-$(CONFIG_POWER_RT5033) += rt5033_charger.o obj-$(CONFIG_CHARGER_SMB347) += smb347-charger.o obj-$(CONFIG_CHARGER_TPS65090) += tps65090-charger.o obj-$(CONFIG_POWER_RESET) += reset/ diff --git a/drivers/power/rt5033_charger.c b/drivers/power/rt5033_charger.c new file mode 100644 index 0000000..9dcaef4 --- /dev/null +++ b/drivers/power/rt5033_charger.c @@ -0,0 +1,485 @@ +/* + * Battery charger driver for RT5033 + * + * Copyright (C) 2014 Samsung Electronics, Co., Ltd. + * Author: Beomho Seo + * + * 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 bythe Free Software Foundation. + */ + +#include +#include +#include +#include +#include + +static int rt5033_get_charger_state(struct rt5033_charger *charger) +{ + struct regmap *regmap = charger->rt5033->regmap; + int state = POWER_SUPPLY_STATUS_UNKNOWN; + u32 reg_data; + + if (!regmap) + return state; + + regmap_read(regmap, RT5033_REG_CHG_STAT, ®_data); + + switch (reg_data & RT5033_CHG_STAT_MASK) { + case RT5033_CHG_STAT_DISCHARGING: + state = POWER_SUPPLY_STATUS_DISCHARGING; + break; + case RT5033_CHG_STAT_CHARGING: + state = POWER_SUPPLY_STATUS_CHARGING; + break; + case RT5033_CHG_STAT_FULL: + state = POWER_SUPPLY_STATUS_FULL; + break; + case RT5033_CHG_STAT_NOT_CHARGING: + state = POWER_SUPPLY_STATUS_NOT_CHARGING; + break; + } + + return state; +} + +static int rt5033_get_charger_type(struct rt5033_charger *charger) +{ + struct regmap *regmap = charger->rt5033->regmap; + int state = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; + u32 reg_data; + + regmap_read(regmap, RT5033_REG_CHG_STAT, ®_data); + + switch (reg_data & RT5033_CHG_STAT_TYPE_MASK) { + case RT5033_CHG_STAT_TYPE_FAST: + state = POWER_SUPPLY_CHARGE_TYPE_FAST; + break; + case RT5033_CHG_STAT_TYPE_PRE: + state = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; + break; + } + + return state; +} + +static int rt5033_get_charger_current(struct rt5033_charger *charger, + enum power_supply_property psp) +{ + struct regmap *regmap = charger->rt5033->regmap; + unsigned int state, reg_data, data; + + if (psp == POWER_SUPPLY_PROP_CURRENT_MAX) + return RT5033_CHG_MAX_CURRENT; + + regmap_read(regmap, RT5033_REG_CHG_CTRL5, ®_data); + + state = (reg_data >> RT5033_CHGCTRL5_ICHG_SHIFT) & 0xf; + + if (state > RT5033_CHG_MAX_CURRENT) + state = RT5033_CHG_MAX_CURRENT; + + data = state * 100 + 700; + + return data; +} + +static int rt5033_get_charge_voltage(struct rt5033_charger *charger, + enum power_supply_property psp) +{ + struct regmap *regmap = charger->rt5033->regmap; + unsigned int state, reg_data, data; + + if (psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX) + return RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX; + + regmap_read(regmap, RT5033_REG_CHG_CTRL2, ®_data); + + state = reg_data >> 2; + + data = RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN + + RT5033_CHARGER_CONST_VOLTAGE_STEP_NUM * state; + + if (data > RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX) + data = RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX; + + return data; +} + +static inline int rt5033_init_const_charge(struct rt5033_charger *psy) +{ + struct rt5033_charger_data *chg = psy->chg; + unsigned val; + int ret; + u8 reg_data; + + /* Set Constant voltage mode */ + if (chg->const_uvolt < RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN || + chg->const_uvolt > RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX) + return -EINVAL; + + if (chg->const_uvolt == RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN) + reg_data = 0x0; + else if (chg->const_uvolt == RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX) + reg_data = 0xfc; + else { + val = chg->const_uvolt; + val -= RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN; + val /= RT5033_CHARGER_CONST_VOLTAGE_STEP_NUM; + reg_data = val; + } + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL2, + RT5033_CHGCTRL2_CV_MASK, reg_data << 2); + if (ret) { + dev_err(psy->dev, "Failed regmap update\n"); + return -EINVAL; + } + + /* Set end of charge current */ + if (chg->eoc_uamp < RT5033_CHARGER_EOC_MIN || + chg->eoc_uamp > RT5033_CHARGER_EOC_MAX) + return -EINVAL; + + if (chg->eoc_uamp == RT5033_CHARGER_EOC_MIN) + reg_data = 0x1; + else if (chg->eoc_uamp == RT5033_CHARGER_EOC_MAX) + reg_data = 0x7; + else { + val = chg->eoc_uamp; + if (val < RT5033_CHARGER_EOC_REF) { + val -= RT5033_CHARGER_EOC_MIN; + val /= RT5033_CHARGER_EOC_STEP_NUM1; + reg_data = 0x01 + val; + } else if (val > RT5033_CHARGER_EOC_REF) { + val -= RT5033_CHARGER_EOC_REF; + val /= RT5033_CHARGER_EOC_STEP_NUM2; + reg_data = 0x04 + val; + } else { + reg_data = 0x04; + } + } + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL4, + RT5033_CHGCTRL4_EOC_MASK, reg_data); + if (ret) { + dev_err(psy->dev, "Failed regmap update\n"); + return -EINVAL; + } + + return 0; +} + +static inline int rt5033_init_fast_charge(struct rt5033_charger *psy) +{ + struct rt5033_charger_data *chg = psy->chg; + int ret; + u8 reg_data; + + /* Set limit input current */ + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL1, + RT5033_AICR_MODE_MASK, RT5033_AICR_2000_MODE); + if (ret) { + dev_err(psy->dev, "Failed regmap update\n"); + return -EINVAL; + } + + /* Set internal timer */ + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL3, + RT5033_CHGCTRL3_TIMER_MASK | RT5033_CHGCTRL3_TIMER_EN_MASK, + RT5033_FAST_CHARGE_TIMER4 | RT5033_INT_TIMER_ENABLE); + if (ret) { + dev_err(psy->dev, "Failed regmap update\n"); + return -EINVAL; + } + + /* Set fast-charge mode Carging current */ + if (chg->fast_uamp < RT5033_CHARGER_FAST_CURRENT_MIN || + chg->fast_uamp > RT5033_CHARGER_FAST_CURRENT_MAX) + return -EINVAL; + + if (chg->fast_uamp == RT5033_CHARGER_FAST_CURRENT_MIN) + reg_data = 0x0; + else if (chg->fast_uamp == RT5033_CHARGER_FAST_CURRENT_MAX) + reg_data = 0xd0; + else { + unsigned int val = chg->fast_uamp; + + val -= RT5033_CHARGER_FAST_CURRENT_MIN; + val /= RT5033_CHARGER_FAST_CURRENT_STEP_NUM; + reg_data = 0x10 + val; + } + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL5, + RT5033_CHGCTRL5_ICHG_MASK, reg_data); + if (ret) { + dev_err(psy->dev, "Failed regmap update\n"); + return -EINVAL; + } + + return 0; +} + +static inline int rt5033_init_pre_charge(struct rt5033_charger *psy) +{ + struct rt5033_charger_data *chg = psy->chg; + int ret; + u8 reg_data; + + /* Set pre-charge threshold voltage */ + if (chg->pre_uvolt < RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN || + chg->pre_uvolt > RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MAX) + return -EINVAL; + + if (chg->pre_uvolt == RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN) + reg_data = 0x00; + else if (chg->pre_uvolt == RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MAX) + reg_data = 0x0f; + else { + unsigned int val = chg->pre_uvolt; + + val -= RT5033_CHARGER_PRE_THRESHOLD_LIMIT_MIN; + val /= RT5033_CHARGER_PRE_THRESHOLD_STEP_NUM; + reg_data = 0x00 + val; + } + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL5, + RT5033_CHGCTRL5_VPREC_MASK, reg_data); + if (ret) { + dev_err(psy->dev, "Failed regmap update\n"); + return -EINVAL; + } + + /* Set pre-charge mode charging current */ + if (chg->pre_uamp < RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN || + chg->pre_uamp > RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX) + return -EINVAL; + + if (chg->pre_uamp == RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN) + reg_data = 0x00; + else if (chg->pre_uamp == RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX) + reg_data = 0x18; + else { + unsigned int val = chg->pre_uamp; + + val -= RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN; + val /= RT5033_CHARGER_PRE_CURRENT_STEP_NUM; + reg_data = 0x08 + val; + } + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL4, + RT5033_CHGCTRL4_IPREC_MASK, reg_data); + if (ret) { + dev_err(psy->dev, "Failed regmap update\n"); + return -EINVAL; + } + + return 0; +} + +static int rt5033_charger_reg_init(struct rt5033_charger *psy) +{ + int ret = 0; + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL1, + RT5033_CHGCTRL1_MODE_MASK, RT5033_CHARGER_MODE); + if (ret) { + dev_err(psy->dev, "Failed to update charger mode.\n"); + return -EINVAL; + } + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_RT_CTRL1, + RT5033_RT_CTRL1_UUG_MASK, RT5033_CHARGER_UUG_ENABLE); + if (ret) { + dev_err(psy->dev, "Failed to update rt ctrl register.\n"); + return -EINVAL; + } + + ret = rt5033_init_pre_charge(psy); + if (ret) + return ret; + + ret = rt5033_init_fast_charge(psy); + if (ret) + return ret; + + ret = rt5033_init_const_charge(psy); + if (ret) + return ret; + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL3, + RT5033_CHGCTRL3_CFO_EN_MASK, RT5033_CFO_ENABLE); + if (ret) { + dev_err(psy->dev, "Failed to set enable.\n"); + return -EINVAL; + } + + ret = regmap_update_bits(psy->rt5033->regmap, RT5033_REG_CHG_CTRL1, + RT5033_RT_HZ_MASK, RT5033_CHARGER_HZ_DISABLE); + if (ret) { + dev_err(psy->dev, "Failed to set high impedance mode.\n"); + return -EINVAL; + } + + return 0; +} + +static enum power_supply_property rt5033_charger_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CURRENT_MAX, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX, + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_MANUFACTURER, +}; + +static int rt5033_charger_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct rt5033_charger *charger = container_of(psy, + struct rt5033_charger, psy); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + val->intval = rt5033_get_charger_state(charger); + break; + case POWER_SUPPLY_PROP_CHARGE_TYPE: + val->intval = rt5033_get_charger_type(charger); + break; + case POWER_SUPPLY_PROP_CURRENT_NOW: + case POWER_SUPPLY_PROP_CURRENT_MAX: + val->intval = rt5033_get_charger_current(charger, psp); + break; + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX: + val->intval = rt5033_get_charge_voltage(charger, psp); + break; + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = RT5033_CHARGER_MODEL; + break; + case POWER_SUPPLY_PROP_MANUFACTURER: + val->strval = RT5033_MANUFACTURER; + break; + default: + return -EINVAL; + } + + return ret; +} + +static struct rt5033_charger_data *rt5033_charger_dt_init( + struct platform_device *pdev) +{ + struct rt5033_charger_data *chg; + struct device_node *np = pdev->dev.of_node; + int ret; + + if (!np) { + dev_err(&pdev->dev, "No charger of_node\n"); + return ERR_PTR(-EINVAL); + } + + chg = devm_kzalloc(&pdev->dev, sizeof(*chg), GFP_KERNEL); + if (!chg) + return ERR_PTR(-ENOMEM); + + ret = of_property_read_u32(np, "richtek,pre-uamp", &chg->pre_uamp); + if (ret) + return ERR_PTR(ret); + + ret = of_property_read_u32(np, "richtek,pre-threshold-uvolt", + &chg->pre_uvolt); + if (ret) + return ERR_PTR(ret); + + /* + * Charging current is decided by external sensing register and + * regulated voltage. In this driver, external sensing regster value + * is 10 mili ohm + */ + ret = of_property_read_u32(np, "richtek,fast-uamp", &chg->fast_uamp); + if (ret) + return ERR_PTR(ret); + + ret = of_property_read_u32(np, "richtek,const-uvolt", + &chg->const_uvolt); + if (ret) + return ERR_PTR(ret); + + ret = of_property_read_u32(np, "richtek,eoc-uamp", &chg->eoc_uamp); + if (ret) + return ERR_PTR(ret); + + return chg; +} + +static int rt5033_charger_probe(struct platform_device *pdev) +{ + struct rt5033_charger *charger; + struct rt5033_dev *rt5033 = dev_get_drvdata(pdev->dev.parent); + int ret; + + charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL); + if (!charger) + return -ENOMEM; + + platform_set_drvdata(pdev, charger); + charger->dev = &pdev->dev; + charger->rt5033 = rt5033; + + charger->chg = rt5033_charger_dt_init(pdev); + if (IS_ERR_OR_NULL(charger->chg)) + return -ENODEV; + + ret = rt5033_charger_reg_init(charger); + if (ret) + return ret; + + charger->psy.name = "rt5033-charger", + charger->psy.type = POWER_SUPPLY_TYPE_BATTERY, + charger->psy.properties = rt5033_charger_props, + charger->psy.num_properties = ARRAY_SIZE(rt5033_charger_props), + charger->psy.get_property = rt5033_charger_get_property, + + ret = power_supply_register(&pdev->dev, &charger->psy); + if (ret) { + dev_err(&pdev->dev, "Failed to register power supply\n"); + return ret; + } + + return 0; +} + +static int rt5033_charger_remove(struct platform_device *pdev) +{ + struct rt5033_charger *charger = platform_get_drvdata(pdev); + + power_supply_unregister(&charger->psy); + + return 0; +} + +static const struct platform_device_id rt5033_charger_id[] = { + { "rt5033-charger", }, + { } +}; +MODULE_DEVICE_TABLE(platform, rt5033_charger_id); + +static struct platform_driver rt5033_charger_driver = { + .driver = { + .name = "rt5033-charger", + }, + .probe = rt5033_charger_probe, + .remove = rt5033_charger_remove, + .id_table = rt5033_charger_id, +}; +module_platform_driver(rt5033_charger_driver); + +MODULE_DESCRIPTION("Richtek RT5033 charger driver"); +MODULE_AUTHOR("Beomho Seo "); +MODULE_LICENSE("GPL"); -- 1.7.9.5