From patchwork Wed Sep 23 11:18:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gene Chen X-Patchwork-Id: 11794857 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 64A0092C for ; Wed, 23 Sep 2020 11:18:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 423BA2388A for ; Wed, 23 Sep 2020 11:18:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fLswLrk+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726518AbgIWLSi (ORCPT ); Wed, 23 Sep 2020 07:18:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60498 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726332AbgIWLSi (ORCPT ); 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+ vinovp = <14500000>; + otg_vbus: usb-otg-vbus { + regulator-compatible = "usb-otg-vbus"; + regulator-name = "usb-otg-vbus"; + regulator-min-microvolt = <4425000>; + regulator-max-microvolt = <5825000>; + }; + }; +... From patchwork Wed Sep 23 11:18:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gene Chen X-Patchwork-Id: 11794859 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A17671668 for ; Wed, 23 Sep 2020 11:18:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69EC32388A for ; Wed, 23 Sep 2020 11:18:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OETeBnMo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726632AbgIWLSn (ORCPT ); Wed, 23 Sep 2020 07:18:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726630AbgIWLSn (ORCPT ); Wed, 23 Sep 2020 07:18:43 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CDD9C0613CE; Wed, 23 Sep 2020 04:18:43 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id y6so6658792plt.9; Wed, 23 Sep 2020 04:18:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=gfjeVqpNn04XfsoDapnW7nlhwRirzdXao9YsAzHkRIg=; b=OETeBnMoYsswhhWDtoQ5A0FSWYIHWXelW6HxUgNx8DwTmPBKE6+8Oih3jaQ+x4d8Tf y6U1M1FstZiXzfLv4q62otxMrv3MhhAFi2YXhu5ECF1wN4LAn9CAAtQbvftoQ+xH20TF jP+SO1aw9MFWacbSXse1Y+ANrFdzigLYovEXoE/ZvxbgC2WMr9Ceb8BKrsU/pqE27KDY m5ZebqRy2cMf4lmcOelRzz88eeBW4fAFEQnmhrYezS5WHQ/xWjmtHlDz8juiTInD+OAJ HkfWy9GB3H6JjyuvmUR9K+4gvOIXsl9M7bxvcozp+ZLlGwLFlj7PHB5sxIEk/SG5+2ra WDaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=gfjeVqpNn04XfsoDapnW7nlhwRirzdXao9YsAzHkRIg=; b=H9oy8IqH9hrH5H6QNm6cciPpviLKm0073a8pGeL1INg2Zv6sTq8mC4RtHNyRvz2qyH GCRe8NyXwrrcQbvc2wG1GlG0uv+DZOaMS9jyixaOe0oHsI3IEcff8uQdgz9nDbc9DuHy DWwhmirG2+UjeXoBU+dBA/avOIUHLmfp0nyMGB7Fy3gBeIrKHq5Hq0CljpxVBPqXghJt R3mkzf7zALRZM8CLXM0pEl6HZT2+RRSuUeED1wOGJhu0z4UReOKKoVomywAyZ6YFmfh7 AzQ1kNE8KJfQb6srNdeKp5ixM8+pa3QGgmLRxUEqYoSO6CL9NxWB8H4kdEhZDrXfPvIa +GoA== X-Gm-Message-State: AOAM530dntimOIv4MB0YgimFoFcHFBh2ETLOKclCPw3wZDmzRP3jhAyb Bq7uaEVnRYa4+Fgky0NykTcSs4lpTpE= X-Google-Smtp-Source: ABdhPJyOj/xj8PbgSlnV0RoOgtiTyoAJsQKYnwzjEaHWMTbAms4LKVnTx0zBMFekf8Z8QXE5gDxJxg== X-Received: by 2002:a17:90a:fe07:: with SMTP id ck7mr7818998pjb.20.1600859922431; Wed, 23 Sep 2020 04:18:42 -0700 (PDT) Received: from localhost.localdomain ([117.19.194.39]) by smtp.gmail.com with ESMTPSA id 25sm17549693pfj.35.2020.09.23.04.18.38 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 23 Sep 2020 04:18:42 -0700 (PDT) From: Gene Chen To: sre@kernel.org, matthias.bgg@gmail.com, robh+dt@kernel.org Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Gene Chen Subject: [PATCH 2/2] power: supply: mt6360_charger: add MT6360 charger support Date: Wed, 23 Sep 2020 19:18:30 +0800 Message-Id: <1600859910-15855-2-git-send-email-gene.chen.richtek@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1600859910-15855-1-git-send-email-gene.chen.richtek@gmail.com> References: <1600859910-15855-1-git-send-email-gene.chen.richtek@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Gene Chen Add basic support for the battery charger for MT6360 PMIC Signed-off-by: Gene Chen --- drivers/power/supply/Kconfig | 11 + drivers/power/supply/Makefile | 1 + drivers/power/supply/mt6360_charger.c | 1190 +++++++++++++++++++++++++++++++++ 3 files changed, 1202 insertions(+) create mode 100644 drivers/power/supply/mt6360_charger.c diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index faf2830..1beb6a4 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -562,6 +562,17 @@ config CHARGER_MP2629 Battery charger. This driver provides Battery charger power management functions on the systems. +config CHARGER_MT6360 + tristate "Mediatek MT6360 Charger Driver" + depends on MFD_MT6360 + depends on REGULATOR + select EXTCON + help + Say Y here to enable MT6360 Charger Part. + support High-Accuracy Voltage/Current Regulation, + Average Input Current Regulation, Battery Tempature Sensing, + Over-Temperature Protection, DPDM Detection for BC1.2 + config CHARGER_QCOM_SMBB tristate "Qualcomm Switch-Mode Battery Charger and Boost" depends on MFD_SPMI_PMIC || COMPILE_TEST diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index b3c694a..9abecb9c 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -77,6 +77,7 @@ obj-$(CONFIG_CHARGER_MAX77693) += max77693_charger.o obj-$(CONFIG_CHARGER_MAX8997) += max8997_charger.o obj-$(CONFIG_CHARGER_MAX8998) += max8998_charger.o obj-$(CONFIG_CHARGER_MP2629) += mp2629_charger.o +obj-$(CONFIG_CHARGER_MT6360) += mt6360_charger.o obj-$(CONFIG_CHARGER_QCOM_SMBB) += qcom_smbb.o obj-$(CONFIG_CHARGER_BQ2415X) += bq2415x_charger.o obj-$(CONFIG_CHARGER_BQ24190) += bq24190_charger.o diff --git a/drivers/power/supply/mt6360_charger.c b/drivers/power/supply/mt6360_charger.c new file mode 100644 index 0000000..70e3fb6 --- /dev/null +++ b/drivers/power/supply/mt6360_charger.c @@ -0,0 +1,1190 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 MediaTek Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define MT6360_PMU_CHG_CTRL1 (0x11) +#define MT6360_PMU_CHG_CTRL2 (0x12) +#define MT6360_PMU_CHG_CTRL3 (0x13) +#define MT6360_PMU_CHG_CTRL4 (0x14) +#define MT6360_PMU_CHG_CTRL5 (0x15) +#define MT6360_PMU_CHG_CTRL6 (0x16) +#define MT6360_PMU_CHG_CTRL7 (0x17) +#define MT6360_PMU_CHG_CTRL8 (0x18) +#define MT6360_PMU_CHG_CTRL9 (0x19) +#define MT6360_PMU_CHG_CTRL10 (0x1A) +#define MT6360_PMU_CHG_CTRL11 (0x1B) +#define MT6360_PMU_CHG_CTRL12 (0x1C) +#define MT6360_PMU_CHG_CTRL13 (0x1D) +#define MT6360_PMU_DEVICE_TYPE (0x22) +#define MT6360_PMU_USB_STATUS1 (0x27) +#define MT6360_PMU_CHG_CTRL17 (0x2B) +#define MT6360_PMU_CHG_CTRL18 (0x2C) +#define MT6360_PMU_CHG_STAT (0x4A) +#define MT6360_PMU_CHG_CTRL19 (0x61) +#define MT6360_PMU_FOD_STAT (0xE7) + +/* 0x11 */ +#define MT6360_MASK_FSLP BIT(3) +#define MT6360_SHFT_FSLP (3) +#define MT6360_MASK_HIZ BIT(2) +#define MT6360_SHFT_HIZ (2) +#define MT6360_MASK_OPA_MODE BIT(0) +#define MT6360_SHFT_OPA_MODE (0) +/* 0x12 */ +#define MT6360_MASK_TE BIT(4) +#define MT6360_SHFT_TE (4) +#define MT6360_MASK_IINLMTSEL GENMASK(3, 2) +#define MT6360_SHFT_IINLMTSEL (2) +#define MT6360_MASK_CHG_EN BIT(0) +#define MT6360_SHFT_CHG_EN (0) +/* 0x13 */ +#define MT6360_MASK_IAICR GENMASK(7, 2) +#define MT6360_SHFT_IAICR (2) +#define MT6360_MASK_ILIM_EN BIT(0) +/* 0x14 */ +#define MT6360_MASK_VOREG GENMASK(7, 1) +#define MT6360_SHFT_VOREG (1) +/* 0x15 */ +#define MT6360_MASK_VOBST GENMASK(7, 2) +/* 0x16 */ +#define MT6360_MASK_VMIVR GENMASK(7, 1) +#define MT6360_SHFT_VMIVR (1) +/* 0x17 */ +#define MT6360_MASK_ICHG GENMASK(7, 2) +#define MT6360_SHFT_ICHG (2) +/* 0x18 */ +#define MT6360_MASK_IPREC GENMASK(3, 0) +#define MT6360_SHFT_IPREC (0) +/* 0x19 */ +#define MT6360_MASK_IEOC GENMASK(7, 4) +#define MT6360_SHFT_IEOC (4) +/* 0x1A */ +#define MT6360_MASK_LBP GENMASK(7, 4) +#define MT6360_SHFT_LBP (4) +#define MT6360_MASK_OTG_OC GENMASK(3, 0) +#define MT6360_SHFT_OTG_OC (0) +/* 0x1B */ +#define MT6360_MASK_SYSREG GENMASK(4, 2) +#define MT6360_SHFT_SYSREG (2) +#define MT6360_MASK_VREC GENMASK(2, 0) +#define MT6360_SHFT_VREC (0) +/* 0x1C */ +#define MT6360_MASK_WT_FC GENMASK(7, 5) +#define MT6360_SHFT_WT_FC (5) +/* 0x1D */ +#define MT6360_MASK_CHG_WDT_EN BIT(7) +#define MT6360_SHFT_CHG_WDT_EN (7) +#define MT6360_MASK_CHG_WDT GENMASK(5, 4) +#define MT6360_SHFT_CHG_WDT (4) +/* 0x22 */ +#define MT6360_MASK_USBCHGEN BIT(7) +#define MT6360_SHFT_USBCHGEN (7) +/* 0x27 */ +#define MT6360_MASK_USB_STATUS GENMASK(6, 4) +#define MT6360_SHFT_USB_STATUS (4) +/* 0x2C */ +#define MT6360_MASK_BAT_COMP GENMASK(5, 3) +#define MT6360_SHFT_BAT_COMP (3) +#define MT6360_MASK_VCLAMP GENMASK(2, 0) +#define MT6360_SHFT_VCLAMP (0) +/* 0x4A */ +#define MT6360_MASK_CHG_STAT GENMASK(7, 6) +#define MT6360_SHFT_CHG_STAT (6) +#define MT6360_MASK_VBAT_LVL BIT(5) +/* 0x61 */ +#define MT6360_MASK_VINOVP GENMASK(6, 5) +#define MT6360_SHFT_VINOVP (5) +/* 0xE7 */ +#define MT6360_MASK_CHRDET_EXT BIT(4) +#define MT6360_SHFT_CHRDET_EXT (4) + +/* uA */ +#define MT6360_ICHG_MIN 100000 +#define MT6360_ICHG_MAX 5000000 +#define MT6360_ICHG_STEP 100000 +/* uV */ +#define MT6360_VOREG_MIN 3900000 +#define MT6360_VOREG_MAX 4710000 +#define MT6360_VOREG_STEP 10000 +/* uA */ +#define MT6360_AICR_MIN 100000 +#define MT6360_AICR_MAX 3250000 +#define MT6360_AICR_STEP 50000 +/* uA */ +#define MT6360_IPREC_MIN 100000 +#define MT6360_IPREC_MAX 850000 +#define MT6360_IPREC_STEP 50000 +/* uA */ +#define MT6360_IEOC_MIN 100000 +#define MT6360_IEOC_MAX 850000 +#define MT6360_IEOC_STEP 50000 + +struct mt6360_chg_platform_data { + u32 vinovp; +}; + +struct mt6360_chg_info { + struct device *dev; + struct mt6360_chg_platform_data *pdata; + struct regmap *regmap; + struct extcon_dev *edev; + struct power_supply_desc psy_desc; + struct power_supply *psy; + struct regulator_desc otg_rdesc; + struct regulator_dev *otg_rdev; + struct mutex chgdet_lock; + bool pwr_rdy; + bool bc12_en; + int psy_usb_type; + struct work_struct chrdet_work; +}; + +static struct mt6360_chg_platform_data def_platform_data = { + .vinovp = 6500000, +}; + +struct mt6360_irq_desc { + const char *name; + irq_handler_t irq_handler; +}; + +enum mt6360_iinlmtsel { + MT6360_IINLMTSEL_AICR_3250 = 0, + MT6360_IINLMTSEL_CHG_TYPE, + MT6360_IINLMTSEL_AICR, + MT6360_IINLMTSEL_LOWER_LEVEL, +}; + +enum mt6360_pmu_chg_type { + MT6360_CHG_TYPE_NOVBUS = 0, + MT6360_CHG_TYPE_UNDER_GOING, + MT6360_CHG_TYPE_SDP, + MT6360_CHG_TYPE_SDPNSTD, + MT6360_CHG_TYPE_DCP, + MT6360_CHG_TYPE_CDP, + MT6360_CHG_TYPE_MAX, +}; + +static enum power_supply_usb_type mt6360_charger_usb_types[] = { + POWER_SUPPLY_USB_TYPE_UNKNOWN, + POWER_SUPPLY_USB_TYPE_SDP, + POWER_SUPPLY_USB_TYPE_DCP, + POWER_SUPPLY_USB_TYPE_CDP, + POWER_SUPPLY_USB_TYPE_C, + POWER_SUPPLY_USB_TYPE_PD, + POWER_SUPPLY_USB_TYPE_PD_DRP, + POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID +}; + +static inline unsigned int mt6360_trans_reg_sel(u32 data, u32 min_val, u32 step, + u32 max_sel) +{ + unsigned int target = 0; + + if (data >= min_val) + target = (data - min_val) / step; + if (target > max_sel) + target = max_sel; + return target; +} + +static inline int mt6360_get_chrdet_ext_stat(struct mt6360_chg_info *mci, + bool *pwr_rdy) +{ + int ret; + unsigned int regval; + + ret = regmap_read(mci->regmap, MT6360_PMU_FOD_STAT, ®val); + if (ret < 0) + return ret; + *pwr_rdy = (regval & MT6360_MASK_CHRDET_EXT) ? true : false; + return 0; +} + +static int mt6360_charger_get_online(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + int ret; + bool pwr_rdy; + + ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy); + if (ret < 0) + return ret; + val->intval = pwr_rdy ? true : false; + return 0; +} + +static int mt6360_charger_get_status(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + int status, ret; + unsigned int regval; + bool pwr_rdy; + + ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy); + if (ret < 0) + return ret; + if (!pwr_rdy) { + status = POWER_SUPPLY_STATUS_DISCHARGING; + goto out; + } + + ret = regmap_read(mci->regmap, MT6360_PMU_CHG_STAT, ®val); + if (ret < 0) + return ret; + regval &= MT6360_MASK_CHG_STAT; + regval >>= MT6360_SHFT_CHG_STAT; + switch (regval) { + case 0x0: + status = POWER_SUPPLY_STATUS_NOT_CHARGING; + break; + case 0x1: + status = POWER_SUPPLY_STATUS_CHARGING; + break; + case 0x2: + status = POWER_SUPPLY_STATUS_FULL; + break; + default: + ret = -EIO; + } +out: + if (!ret) + val->intval = status; + return ret; +} + +static int mt6360_charger_get_charge_type(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + int type, ret; + unsigned int regval; + u8 chg_stat; + + ret = regmap_read(mci->regmap, MT6360_PMU_CHG_STAT, ®val); + if (ret < 0) + return ret; + chg_stat = (regval & MT6360_MASK_CHG_STAT) >> MT6360_SHFT_CHG_STAT; + switch (chg_stat) { + case 0x00: /* Not Charging */ + type = POWER_SUPPLY_CHARGE_TYPE_NONE; + break; + case 0x01: /* Charge in Progress */ + if (regval & MT6360_MASK_VBAT_LVL) + type = POWER_SUPPLY_CHARGE_TYPE_FAST; + else + type = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; + break; + case 0x02: /* Charge Done */ + type = POWER_SUPPLY_CHARGE_TYPE_NONE; + break; + case 0x03: /* Charge Fault */ + type = POWER_SUPPLY_STATUS_UNKNOWN; + break; + default: + break; + } + val->intval = type; + return 0; +} + +static int mt6360_charger_get_ichg(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + int ichg, ret; + unsigned int regval; + + ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL7, ®val); + if (ret < 0) + return ret; + regval = (regval & MT6360_MASK_ICHG) >> MT6360_SHFT_ICHG; + ichg = MT6360_ICHG_MIN + (regval * MT6360_ICHG_STEP); + if (ichg > MT6360_ICHG_MAX) + ichg = MT6360_ICHG_MAX; + val->intval = ichg; + return 0; +} + +static int mt6360_charger_get_max_ichg(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + val->intval = MT6360_ICHG_MAX; + return 0; +} + +static int mt6360_charger_get_cv(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + int cv, ret; + unsigned int regval; + + ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL4, ®val); + if (ret < 0) + return ret; + regval = (regval & MT6360_MASK_VOREG) >> MT6360_SHFT_VOREG; + cv = MT6360_VOREG_MIN + (regval * MT6360_VOREG_STEP); + if (cv > MT6360_VOREG_MAX) + cv = MT6360_VOREG_MAX; + val->intval = cv; + return 0; +} + +static int mt6360_charger_get_max_cv(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + val->intval = MT6360_VOREG_MAX; + return 0; +} + +static int mt6360_charger_get_aicr(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + int ret; + unsigned int regval; + + ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL3, ®val); + if (ret < 0) + return ret; + regval = (regval & MT6360_MASK_IAICR) >> MT6360_SHFT_IAICR; + val->intval = MT6360_AICR_MIN + (regval * MT6360_AICR_STEP); + return 0; +} + +static int mt6360_charger_get_iprechg(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + int ret; + unsigned int regval; + + ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL8, ®val); + if (ret < 0) + return ret; + regval = (regval & MT6360_MASK_IPREC) >> MT6360_SHFT_IPREC; + val->intval = MT6360_IPREC_MIN + (regval * MT6360_IPREC_STEP); + return 0; +} + +static int mt6360_charger_get_ieoc(struct mt6360_chg_info *mci, + union power_supply_propval *val) +{ + int ret; + unsigned int regval; + + ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL9, ®val); + if (ret < 0) + return ret; + regval = (regval & MT6360_MASK_IEOC) >> MT6360_SHFT_IEOC; + val->intval = MT6360_IEOC_MIN + (regval * MT6360_IEOC_STEP); + return 0; +} + +static int mt6360_charger_set_online(struct mt6360_chg_info *mci, + const union power_supply_propval *val) +{ + u8 force_sleep = val->intval ? 0 : 1; + + return regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL1, + MT6360_MASK_FSLP, + force_sleep << MT6360_SHFT_FSLP); +} + +static int mt6360_charger_set_ichg(struct mt6360_chg_info *mci, + const union power_supply_propval *val) +{ + unsigned int regval; + + regval = mt6360_trans_reg_sel(val->intval, 100000, 100000, 0x31); + return regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL7, + MT6360_MASK_ICHG, regval << MT6360_SHFT_ICHG); +} + +static int mt6360_charger_set_cv(struct mt6360_chg_info *mci, + const union power_supply_propval *val) +{ + unsigned int regval; + + regval = mt6360_trans_reg_sel(val->intval, 3900000, 10000, 0x51); + return regmap_update_bits(mci->regmap, + MT6360_PMU_CHG_CTRL4, + MT6360_MASK_VOREG, + regval << MT6360_SHFT_VOREG); +} + +static int mt6360_charger_set_aicr(struct mt6360_chg_info *mci, + const union power_supply_propval *val) +{ + unsigned int regval; + + regval = mt6360_trans_reg_sel(val->intval, 100000, 50000, 0x3F); + return regmap_update_bits(mci->regmap, + MT6360_PMU_CHG_CTRL3, + MT6360_MASK_IAICR, + regval << MT6360_SHFT_IAICR); +} + +static int mt6360_charger_set_iprechg(struct mt6360_chg_info *mci, + const union power_supply_propval *val) +{ + unsigned int regval; + + regval = mt6360_trans_reg_sel(val->intval, 100000, 50000, 0x0F); + return regmap_update_bits(mci->regmap, + MT6360_PMU_CHG_CTRL8, + MT6360_MASK_IPREC, + regval << MT6360_SHFT_IPREC); +} + +static int mt6360_charger_set_ieoc(struct mt6360_chg_info *mci, + const union power_supply_propval *val) +{ + unsigned int regval; + + regval = mt6360_trans_reg_sel(val->intval, 100000, 50000, 0x0F); + return regmap_update_bits(mci->regmap, + MT6360_PMU_CHG_CTRL9, + MT6360_MASK_IEOC, + regval << MT6360_SHFT_IEOC); +} + +static int mt6360_charger_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct mt6360_chg_info *mci = power_supply_get_drvdata(psy); + int ret = 0; + + dev_dbg(mci->dev, "%s: prop = %d\n", __func__, psp); + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + ret = mt6360_charger_get_online(mci, val); + break; + case POWER_SUPPLY_PROP_STATUS: + ret = mt6360_charger_get_status(mci, val); + break; + case POWER_SUPPLY_PROP_CHARGE_TYPE: + ret = mt6360_charger_get_charge_type(mci, val); + break; + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + ret = mt6360_charger_get_ichg(mci, val); + break; + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX: + ret = mt6360_charger_get_max_ichg(mci, val); + break; + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: + ret = mt6360_charger_get_cv(mci, val); + break; + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX: + ret = mt6360_charger_get_max_cv(mci, val); + break; + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + ret = mt6360_charger_get_aicr(mci, val); + break; + case POWER_SUPPLY_PROP_PRECHARGE_CURRENT: + ret = mt6360_charger_get_iprechg(mci, val); + break; + case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT: + ret = mt6360_charger_get_ieoc(mci, val); + break; + case POWER_SUPPLY_PROP_USB_TYPE: + val->intval = mci->psy_usb_type; + break; + default: + ret = -ENODATA; + } + return ret; +} + +static int mt6360_charger_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct mt6360_chg_info *mci = power_supply_get_drvdata(psy); + int ret; + + dev_dbg(mci->dev, "%s: prop = %d\n", __func__, psp); + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + ret = mt6360_charger_set_online(mci, val); + break; + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + ret = mt6360_charger_set_ichg(mci, val); + break; + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: + ret = mt6360_charger_set_cv(mci, val); + break; + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + ret = mt6360_charger_set_aicr(mci, val); + break; + case POWER_SUPPLY_PROP_PRECHARGE_CURRENT: + ret = mt6360_charger_set_iprechg(mci, val); + break; + case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT: + ret = mt6360_charger_set_ieoc(mci, val); + break; + default: + ret = -EINVAL; + } + return ret; +} + +static int mt6360_charger_property_is_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + case POWER_SUPPLY_PROP_PRECHARGE_CURRENT: + case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT: + return 1; + default: + return 0; + } +} + +static enum power_supply_property mt6360_charger_properties[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, + POWER_SUPPLY_PROP_PRECHARGE_CURRENT, + POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT, + POWER_SUPPLY_PROP_USB_TYPE, +}; + +static char *mt6360_charger_supplied_to[] = { + "main-battery" +}; + +static const struct power_supply_desc mt6360_charger_desc = { + .type = POWER_SUPPLY_TYPE_USB, + .properties = mt6360_charger_properties, + .num_properties = ARRAY_SIZE(mt6360_charger_properties), + .get_property = mt6360_charger_get_property, + .set_property = mt6360_charger_set_property, + .property_is_writeable = mt6360_charger_property_is_writeable, + .usb_types = mt6360_charger_usb_types, + .num_usb_types = ARRAY_SIZE(mt6360_charger_usb_types), +}; + +static const struct regulator_ops mt6360_chg_otg_ops = { + .list_voltage = regulator_list_voltage_linear, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, +}; + +static const struct regulator_desc mt6360_otg_rdesc = { + .of_match = "usb-otg-vbus", + .name = "usb-otg-vbus", + .ops = &mt6360_chg_otg_ops, + .owner = THIS_MODULE, + .type = REGULATOR_VOLTAGE, + .min_uV = 4425000, + .uV_step = 25000, /* step 25mV */ + .n_voltages = 57, /* 4425mV to 5825mV */ + .vsel_reg = MT6360_PMU_CHG_CTRL5, + .vsel_mask = MT6360_MASK_VOBST, + .enable_reg = MT6360_PMU_CHG_CTRL1, + .enable_mask = MT6360_MASK_OPA_MODE, +}; + +static const unsigned int mt6360_extcon_cable[] = { + EXTCON_USB, + EXTCON_USB_HOST, + EXTCON_CHG_USB_SDP, + EXTCON_CHG_USB_DCP, + EXTCON_CHG_USB_CDP, + EXTCON_CHG_USB_SLOW, /* For NonStandard Charger */ + EXTCON_NONE, +}; + +static irqreturn_t mt6360_pmu_chg_treg_evt_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_warn(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_pwr_rdy_evt_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_dbg(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_batsysuv_evt_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_warn(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_vsysuv_evt_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_warn(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_vsysov_evt_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_warn(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_vbatov_evt_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_warn(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_vbusov_evt_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_warn(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_aiccmeasl_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_dbg(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_wdtmri_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_dbg(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_rechgi_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_dbg(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_termi_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_dbg(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_chg_ieoci_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_dbg(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_pumpx_donei_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_dbg(mci->dev, "%s\n", __func__); + return IRQ_HANDLED; +} + +static irqreturn_t mt6360_pmu_attach_i_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + int ret, chg_type = EXTCON_NONE; + unsigned int usb_status; + int last_usb_type; + + dev_dbg(mci->dev, "%s\n", __func__); + mutex_lock(&mci->chgdet_lock); + if (!mci->bc12_en) { + dev_info(mci->dev, "%s: bc12 disabled, ignore irq\n", __func__); + goto out; + } + last_usb_type = mci->psy_usb_type; + /* Plug in */ + ret = regmap_read(mci->regmap, MT6360_PMU_USB_STATUS1, &usb_status); + if (ret < 0) + goto out; + usb_status &= MT6360_MASK_USB_STATUS; + usb_status >>= MT6360_SHFT_USB_STATUS; + switch (usb_status) { + case MT6360_CHG_TYPE_UNDER_GOING: + dev_info(mci->dev, "%s: under going...\n", __func__); + goto out; + case MT6360_CHG_TYPE_SDP: + chg_type = EXTCON_CHG_USB_SDP; + mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_SDP; + break; + case MT6360_CHG_TYPE_SDPNSTD: + chg_type = EXTCON_CHG_USB_SLOW; + mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_SDP; + break; + case MT6360_CHG_TYPE_CDP: + chg_type = EXTCON_CHG_USB_CDP; + mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_CDP; + break; + case MT6360_CHG_TYPE_DCP: + chg_type = EXTCON_CHG_USB_DCP; + mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_DCP; + break; + default: + dev_warn(mci->dev, + "%s: disconnect or unknown status\n", __func__); + goto out; + } + + dev_info(mci->dev, "%s: chg_type = %d\n", __func__, chg_type); + if (chg_type == EXTCON_CHG_USB_SDP || chg_type == EXTCON_CHG_USB_CDP) { + extcon_set_state_sync(mci->edev, EXTCON_USB_HOST, false); + extcon_set_state_sync(mci->edev, EXTCON_USB, true); + } + extcon_set_state_sync(mci->edev, chg_type, true); + if (last_usb_type != mci->psy_usb_type) + power_supply_changed(mci->psy); +out: + mutex_unlock(&mci->chgdet_lock); + return IRQ_HANDLED; +} + +static void mt6360_handle_chrdet_ext_evt(struct mt6360_chg_info *mci) +{ + int i, ret; + bool pwr_rdy; + int last_usb_type; + + mutex_lock(&mci->chgdet_lock); + ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy); + if (ret < 0) + goto out; + if (mci->pwr_rdy == pwr_rdy) { + dev_info(mci->dev, + "%s: pwr_rdy is same(%d)\n", __func__, pwr_rdy); + goto out; + } + mci->pwr_rdy = pwr_rdy; + last_usb_type = mci->psy_usb_type; + dev_info(mci->dev, "%s: pwr_rdy = %d\n", __func__, pwr_rdy); + if (!pwr_rdy) { + for (i = 0; i < ARRAY_SIZE(mt6360_extcon_cable) - 1; i++) { + extcon_set_state_sync(mci->edev, + mt6360_extcon_cable[i], false); + } + mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_UNKNOWN; + if (last_usb_type != mci->psy_usb_type) + power_supply_changed(mci->psy); + + } + ret = regmap_update_bits(mci->regmap, + MT6360_PMU_DEVICE_TYPE, + MT6360_MASK_USBCHGEN, + pwr_rdy ? MT6360_MASK_USBCHGEN : 0); + if (ret < 0) + goto out; + mci->bc12_en = pwr_rdy; +out: + mutex_unlock(&mci->chgdet_lock); +} + +static void mt6360_chrdet_work(struct work_struct *work) +{ + struct mt6360_chg_info *mci = (struct mt6360_chg_info *)container_of( + work, struct mt6360_chg_info, chrdet_work); + + dev_info(mci->dev, "%s\n", __func__); + mt6360_handle_chrdet_ext_evt(mci); +} + +static irqreturn_t mt6360_pmu_chrdet_ext_evt_handler(int irq, void *data) +{ + struct mt6360_chg_info *mci = data; + + dev_info(mci->dev, "%s\n", __func__); + mt6360_handle_chrdet_ext_evt(mci); + return IRQ_HANDLED; +} + +static const struct mt6360_irq_desc mt6360_chg_irq_desc[] = { + { "chg_treg_evt", mt6360_pmu_chg_treg_evt_handler }, + { "pwr_rdy_evt", mt6360_pmu_pwr_rdy_evt_handler }, + { "chg_batsysuv_evt", mt6360_pmu_chg_batsysuv_evt_handler }, + { "chg_vsysuv_evt", mt6360_pmu_chg_vsysuv_evt_handler }, + { "chg_vsysov_evt", mt6360_pmu_chg_vsysov_evt_handler }, + { "chg_vbatov_evt", mt6360_pmu_chg_vbatov_evt_handler }, + { "chg_vbusov_evt", mt6360_pmu_chg_vbusov_evt_handler }, + { "chg_aiccmeasl", mt6360_pmu_chg_aiccmeasl_handler }, + { "wdtmri", mt6360_pmu_wdtmri_handler }, + { "chg_rechgi", mt6360_pmu_chg_rechgi_handler }, + { "chg_termi", mt6360_pmu_chg_termi_handler }, + { "chg_ieoci", mt6360_pmu_chg_ieoci_handler }, + { "pumpx_donei", mt6360_pmu_pumpx_donei_handler }, + { "attach_i", mt6360_pmu_attach_i_handler }, + { "chrdet_ext_evt", mt6360_pmu_chrdet_ext_evt_handler }, +}; + +static int mt6360_chg_irq_register(struct platform_device *pdev) +{ + const struct mt6360_irq_desc *irq_desc; + int i, irq, ret; + + for (i = 0; i < ARRAY_SIZE(mt6360_chg_irq_desc); i++) { + irq_desc = mt6360_chg_irq_desc + i; + if (unlikely(!irq_desc->name)) + continue; + irq = platform_get_irq_byname(pdev, irq_desc->name); + if (irq < 0) + continue; + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + irq_desc->irq_handler, + IRQF_TRIGGER_FALLING, + irq_desc->name, + platform_get_drvdata(pdev)); + if (ret < 0) { + dev_err(&pdev->dev, + "request %s irq fail\n", irq_desc->name); + return ret; + } + } + return 0; +} + +struct mt6360_field_info { + struct device_attribute dev_attr; + u8 reg; + u8 mask; + u8 shft; +}; + +static ssize_t mt6360_sysfs_show(struct device *dev, + struct device_attribute *attr, char *buf); +static ssize_t mt6360_sysfs_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count); + +#define MT6360_FIELD_RW(_name, _reg, _nbit) \ +{ \ + .dev_attr = __ATTR(_name, 0664, \ + mt6360_sysfs_show, mt6360_sysfs_store), \ + .reg = MT6360_PMU_##_reg, \ + .mask = MT6360_MASK_##_nbit, \ + .shft = MT6360_SHFT_##_nbit, \ +} + +#define MT6360_FIELD_RO(_name, _reg, _nbit) \ +{ \ + .dev_attr = __ATTR(_name, 0444, \ + mt6360_sysfs_show, NULL), \ + .reg = MT6360_PMU_##_reg, \ + .mask = MT6360_MASK_##_nbit, \ + .shft = MT6360_SHFT_##_nbit, \ +} + +static struct mt6360_field_info mt6360_field_tbl[] = { + MT6360_FIELD_RW(hiz, CHG_CTRL1, HIZ), + MT6360_FIELD_RW(vmivr, CHG_CTRL6, VMIVR), + MT6360_FIELD_RW(iaicr, CHG_CTRL3, IAICR), + MT6360_FIELD_RW(SYSREG, CHG_CTRL11, SYSREG), + MT6360_FIELD_RW(otg_oc, CHG_CTRL10, OTG_OC), + MT6360_FIELD_RW(ichg, CHG_CTRL17, ICHG), + MT6360_FIELD_RW(iprec, CHG_CTRL8, IPREC), + MT6360_FIELD_RW(ieoc, CHG_CTRL9, IEOC), + MT6360_FIELD_RW(voreg, CHG_CTRL4, VOREG), + MT6360_FIELD_RW(lbp, CHG_CTRL10, LBP), + MT6360_FIELD_RW(vrec, CHG_CTRL11, VREC), + MT6360_FIELD_RW(te, CHG_CTRL2, TE), + MT6360_FIELD_RW(chg_wdt_en, CHG_CTRL13, CHG_WDT_EN), + MT6360_FIELD_RW(chg_wdt, CHG_CTRL13, CHG_WDT), + MT6360_FIELD_RW(wt_fc, CHG_CTRL12, WT_FC), + MT6360_FIELD_RW(bat_comp, CHG_CTRL18, BAT_COMP), + MT6360_FIELD_RW(vclamp, CHG_CTRL18, VCLAMP), + MT6360_FIELD_RW(usbchgen, DEVICE_TYPE, USBCHGEN), + MT6360_FIELD_RW(chg_en, CHG_CTRL2, CHG_EN), + MT6360_FIELD_RO(chrdet_ext, FOD_STAT, CHRDET_EXT), +}; + +static struct attribute *mt6360_attrs[ARRAY_SIZE(mt6360_field_tbl) + 1]; + +static const struct attribute_group mt6360_attr_group = { + .attrs = mt6360_attrs, +}; + +static ssize_t mt6360_sysfs_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mt6360_chg_info *mci = dev_get_drvdata(dev->parent); + struct mt6360_field_info *info = (void *)attr; + unsigned int regval; + int ret; + + ret = regmap_read(mci->regmap, info->reg, ®val); + if (ret < 0) + return ret; + regval = (regval & info->mask) >> info->shft; + return scnprintf(buf, PAGE_SIZE, "%02x\n", regval); +} + +static ssize_t mt6360_sysfs_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct mt6360_chg_info *mci = dev_get_drvdata(dev->parent); + struct mt6360_field_info *info = (void *)attr; + int ret, tmp; + + if (kstrtoint(buf, 10, &tmp) < 0) { + dev_err(dev, "failed to parsing number\n"); + return -EINVAL; + } + ret = regmap_update_bits(mci->regmap, + info->reg, info->mask, tmp << info->shft); + if (ret < 0) + return ret; + return count; +} + +static int mt6360_sysfs_create_group(struct mt6360_chg_info *mci) +{ + int i, tb_size = ARRAY_SIZE(mt6360_field_tbl); + + for (i = 0; i < tb_size; i++) + mt6360_attrs[i] = &(mt6360_field_tbl[i].dev_attr.attr); + return devm_device_add_group(&mci->psy->dev, &mt6360_attr_group); +} + +static int mt6360_chg_init_setting(struct mt6360_chg_info *mci) +{ + int ret; + + /* Disable bc12 */ + ret = regmap_update_bits(mci->regmap, MT6360_PMU_DEVICE_TYPE, + MT6360_MASK_USBCHGEN, 0); + if (ret < 0) { + dev_err(mci->dev, "%s: disable bc12 fail\n", __func__); + goto out; + } + /* Set input current limit select by AICR */ + ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL2, + MT6360_MASK_IINLMTSEL, + MT6360_IINLMTSEL_AICR << + MT6360_SHFT_IINLMTSEL); + if (ret < 0) { + dev_err(mci->dev, + "%s: switch iinlmtsel to aicr fail\n", __func__); + goto out; + } + usleep_range(5000, 6000); + /* Disable ilim */ + ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL3, + MT6360_MASK_ILIM_EN, 0); + if (ret < 0) { + dev_err(mci->dev, + "%s: switch iinlmtsel to aicr fail\n", __func__); + goto out; + } + /* Enlarge OTG_OC to max 3A */ + ret = regmap_update_bits(mci->regmap, + MT6360_PMU_CHG_CTRL10, 0x07, 0x07); + if (ret < 0) { + dev_err(mci->dev, + "%s: faled config otg oc to maximum\n", __func__); + } +out: + return ret; +} + +static u32 mt6360_vinovp_trans_to_sel(u32 val) +{ + u32 vinovp_tbl[] = { 5500000, 6500000, 11000000, 14500000 }; + int i; + + /* Select the smaller and equal supported value */ + for (i = 0; i < ARRAY_SIZE(vinovp_tbl)-1; i++) { + if (val < vinovp_tbl[i+1]) + break; + } + return i; +} + +static struct mt6360_chg_platform_data *mt6360_parse_pdata( + struct platform_device *pdev) +{ + struct mt6360_chg_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct device_node *np = pdev->dev.of_node; + int ret; + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return ERR_PTR(-ENOMEM); + memcpy(pdata, &def_platform_data, sizeof(*pdata)); + ret = of_property_read_u32(np, "vinovp", &pdata->vinovp); + if (ret) { + dev_err(&pdev->dev, "failed to parse vinovp in DT\n"); + return ERR_PTR(ret); + } + return pdata; +} + +static int mt6360_apply_pdata(struct platform_device *pdev) +{ + struct mt6360_chg_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct mt6360_chg_info *mci = dev_get_drvdata(&pdev->dev); + int ret; + u32 sel; + + sel = mt6360_vinovp_trans_to_sel(pdata->vinovp); + ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL19, + MT6360_MASK_VINOVP, sel << MT6360_SHFT_VINOVP); + if (ret) + return ret; + return 0; +} + +static int mt6360_charger_probe(struct platform_device *pdev) +{ + struct mt6360_chg_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct mt6360_chg_info *mci; + struct power_supply_config charger_cfg = {}; + struct regulator_config config = { }; + int ret; + + mci = devm_kzalloc(&pdev->dev, sizeof(*mci), GFP_KERNEL); + if (!mci) + return -ENOMEM; + + pdata = mt6360_parse_pdata(pdev); + if (IS_ERR_OR_NULL(pdata)) + return PTR_ERR(pdata); + + pdev->dev.platform_data = pdata; + + mci->dev = &pdev->dev; + mutex_init(&mci->chgdet_lock); + platform_set_drvdata(pdev, mci); + INIT_WORK(&mci->chrdet_work, &mt6360_chrdet_work); + + mci->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!mci->regmap) { + dev_err(&pdev->dev, "Failed to get parent regmap\n"); + return -ENODEV; + } + + ret = mt6360_apply_pdata(pdev); + if (ret) { + dev_err(&pdev->dev, "Failed to apply pdata\n"); + return ret; + } + + mci->edev = devm_extcon_dev_allocate(&pdev->dev, mt6360_extcon_cable); + if (IS_ERR(mci->edev)) { + dev_err(&pdev->dev, "Failed to allocate memory for extcon\n"); + return -ENOMEM; + } + + ret = devm_extcon_dev_register(&pdev->dev, mci->edev); + if (ret) { + dev_err(&pdev->dev, "Failed to register extcon dev\n"); + return ret; + } + + memcpy(&mci->psy_desc, &mt6360_charger_desc, sizeof(mci->psy_desc)); + mci->psy_desc.name = dev_name(&pdev->dev); + charger_cfg.drv_data = mci; + charger_cfg.of_node = pdev->dev.of_node; + charger_cfg.supplied_to = mt6360_charger_supplied_to; + charger_cfg.num_supplicants = ARRAY_SIZE(mt6360_charger_supplied_to); + mci->psy = devm_power_supply_register(&pdev->dev, + &mci->psy_desc, &charger_cfg); + if (IS_ERR(mci->psy)) { + dev_err(&pdev->dev, "Failed to register power supply dev\n"); + return PTR_ERR(mci->psy); + } + + ret = mt6360_chg_init_setting(mci); + if (ret) { + dev_err(&pdev->dev, "Failed to initial setting\n"); + return ret; + } + + schedule_work(&mci->chrdet_work); + + ret = mt6360_chg_irq_register(pdev); + if (ret) { + dev_err(&pdev->dev, "Failed to register irqs\n"); + return ret; + } + + config.dev = &pdev->dev; + config.regmap = mci->regmap; + mci->otg_rdev = devm_regulator_register(&pdev->dev, &mt6360_otg_rdesc, + &config); + if (IS_ERR(mci->otg_rdev)) + return PTR_ERR(mci->otg_rdev); + + ret = mt6360_sysfs_create_group(mci); + if (ret) { + dev_err(&pdev->dev, + "%s: create sysfs attrs fail\n", __func__); + return ret; + } + + return 0; +} + +static const struct of_device_id __maybe_unused mt6360_charger_of_id[] = { + { .compatible = "mediatek,mt6360-chg", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mt6360_charger_of_id); + +static const struct platform_device_id mt6360_charger_id[] = { + { "mt6360-chg", 0 }, + {}, +}; +MODULE_DEVICE_TABLE(platform, mt6360_charger_id); + +static struct platform_driver mt6360_charger_driver = { + .driver = { + .name = "mt6360-chg", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(mt6360_charger_of_id), + }, + .probe = mt6360_charger_probe, + .id_table = mt6360_charger_id, +}; +module_platform_driver(mt6360_charger_driver); + +MODULE_AUTHOR("CY_Huang "); +MODULE_DESCRIPTION("MT6360 Charger Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("1.0.0");