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[209.132.180.67]) by mx.google.com with ESMTP id a61si12850776edf.157.2019.11.17.22.59.38; Sun, 17 Nov 2019 23:00:03 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726980AbfKRG4F (ORCPT + 99 others); Mon, 18 Nov 2019 01:56:05 -0500 Received: from mail-lf1-f68.google.com ([209.85.167.68]:41438 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726765AbfKRG4E (ORCPT ); Mon, 18 Nov 2019 01:56:04 -0500 Received: by mail-lf1-f68.google.com with SMTP id j14so12839866lfb.8; Sun, 17 Nov 2019 22:56:00 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=JUK8/+C7O0/aTYXd8Qdkr3MxSXkXduHEc8kodzdf6sM=; b=uhwPVDGOJX16cLAGz6MEWRiqeMY4c1tGe5+eKtCbyzZ141+iC9kodZkzSyTccpYI7T sIux7yO7VGqWx30WUbCiajqFpXpRQtL5STcWiD2yQImTRQUwFce7DpW3kAZiFe3D3DUQ EmBa/Ak4SayYBb6LYhRoL/KGMMqHp4mpJZ0zSCGzhUh1+DtmeTyU9kHyeTVgvT4SKJ3H 2Y0wAElSGvCjR7C9auRAOAMp7haEB4nqLiiHe+pzW3fEC0Brc1repfoi22gzUGaWvB7/ j/mlqXAmSvKshGINahYgkd9Q84t2CFp/m6+FZHQUEgi38UyuCbAhykwN1Wvyo9wBJmko 3aag== X-Gm-Message-State: APjAAAVvM0JdBNql5ImW5PeKUVciqzAu7zMyA754y/Et6i5lXJAVQ92P qmcyZgBFTNs/aBp+sp8pzHQ= X-Received: by 2002:a19:c143:: with SMTP id r64mr3103163lff.90.1574060158782; Sun, 17 Nov 2019 22:55:58 -0800 (PST) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id r19sm8142721lfi.13.2019.11.17.22.55.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Nov 2019 22:55:57 -0800 (PST) Date: Mon, 18 Nov 2019 08:55:51 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Lee Jones , Jacek Anaszewski , Pavel Machek , Dan Murphy , Rob Herring , Mark Rutland , Liam Girdwood , Mark Brown , Jonathan Corbet , Michael Turquette , Stephen Boyd , Linus Walleij , Bartosz Golaszewski , Alessandro Zummo , Alexandre Belloni , Mauro Carvalho Chehab , Jeff Kirsher , Wolfram Sang , Marek Szyprowski , Heiner Kallweit , Nicholas Mc Guire , Phil Edworthy , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org Subject: [PATCH v5 05/16] mfd: bd71828: Support ROHM BD71828 PMIC - core Message-ID: <16c4dcbb69836a50a71db14940bdd2714bedcc4a.1574059625.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org BD71828GW is a single-chip power management IC for battery-powered portable devices. The IC integrates 7 buck converters, 7 LDOs, and a 1500 mA single-cell linear charger. Also included is a Coulomb counter, a real-time clock (RTC), 3 GPO/regulator control pins, HALL input and a 32.768 kHz clock gate. Add MFD core driver providing interrupt controller facilities and i2c access to sub device drivers. Signed-off-by: Matti Vaittinen --- No changes from v4 drivers/mfd/Kconfig | 15 ++ drivers/mfd/Makefile | 2 +- drivers/mfd/rohm-bd71828.c | 319 +++++++++++++++++++++++ include/linux/mfd/rohm-bd71828.h | 425 +++++++++++++++++++++++++++++++ include/linux/mfd/rohm-generic.h | 1 + 5 files changed, 761 insertions(+), 1 deletion(-) create mode 100644 drivers/mfd/rohm-bd71828.c create mode 100644 include/linux/mfd/rohm-bd71828.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index ae24d3ea68ea..ff06e853f799 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1913,6 +1913,21 @@ config MFD_ROHM_BD70528 10 bits SAR ADC for battery temperature monitor and 1S battery charger. +config MFD_ROHM_BD71828 + tristate "ROHM BD71828 Power Management IC" + depends on I2C=y + depends on OF + select REGMAP_I2C + select REGMAP_IRQ + select MFD_CORE + help + Select this option to get support for the ROHM BD71828 Power + Management IC. BD71828GW is a single-chip power management IC for + battery-powered portable devices. The IC integrates 7 buck + converters, 7 LDOs, and a 1500 mA single-cell linear charger. + Also included is a Coulomb counter, a real-time clock (RTC), and + a 32.768 kHz clock gate. + config MFD_STM32_LPTIMER tristate "Support for STM32 Low-Power Timer" depends on (ARCH_STM32 && OF) || COMPILE_TEST diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index c1067ea46204..437c47ffd315 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -253,6 +253,6 @@ obj-$(CONFIG_MFD_MXS_LRADC) += mxs-lradc.o obj-$(CONFIG_MFD_SC27XX_PMIC) += sprd-sc27xx-spi.o obj-$(CONFIG_RAVE_SP_CORE) += rave-sp.o obj-$(CONFIG_MFD_ROHM_BD70528) += rohm-bd70528.o +obj-$(CONFIG_MFD_ROHM_BD71828) += rohm-bd71828.o obj-$(CONFIG_MFD_ROHM_BD718XX) += rohm-bd718x7.o obj-$(CONFIG_MFD_STMFX) += stmfx.o - diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c new file mode 100644 index 000000000000..7f445d699fd9 --- /dev/null +++ b/drivers/mfd/rohm-bd71828.c @@ -0,0 +1,319 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (C) 2019 ROHM Semiconductors +// +// ROHM BD71828 PMIC driver + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static const struct resource rtc_irqs[] = { + DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC0, "bd71828-rtc-alm-0"), + DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC1, "bd71828-rtc-alm-1"), + DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC2, "bd71828-rtc-alm-2"), +}; + +static struct mfd_cell bd71828_mfd_cells[] = { + { .name = "bd71828-pmic", }, + { .name = "bd71828-gpio", }, + { .name = "bd71828-led", .of_compatible = "rohm,bd71828-leds" }, + /* + * We use BD71837 driver to drive the clock block. Only differences to + * BD70528 clock gate are the register address and mask. + */ + { .name = "bd71828-clk", }, + { .name = "bd71827-power", }, + { + .name = "bd71828-rtc", + .resources = rtc_irqs, + .num_resources = ARRAY_SIZE(rtc_irqs), + }, +}; + +static const struct regmap_range volatile_ranges[] = { + { + .range_min = BD71828_REG_PS_CTRL_1, + .range_max = BD71828_REG_PS_CTRL_1, + }, { + .range_min = BD71828_REG_PS_CTRL_3, + .range_max = BD71828_REG_PS_CTRL_3, + }, { + .range_min = BD71828_REG_RTC_SEC, + .range_max = BD71828_REG_RTC_YEAR, + }, { + /* + * For now make all charger registers volatile because many + * needs to be and because the charger block is not that + * performance critical. + */ + .range_min = BD71828_REG_CHG_STATE, + .range_max = BD71828_REG_CHG_FULL, + }, { + .range_min = BD71828_REG_INT_MAIN, + .range_max = BD71828_REG_IO_STAT, + }, +}; + +static const struct regmap_access_table volatile_regs = { + .yes_ranges = &volatile_ranges[0], + .n_yes_ranges = ARRAY_SIZE(volatile_ranges), +}; + +static struct regmap_config bd71828_regmap = { + .reg_bits = 8, + .val_bits = 8, + .volatile_table = &volatile_regs, + .max_register = BD71828_MAX_REGISTER, + .cache_type = REGCACHE_RBTREE, +}; + +/* + * Mapping of main IRQ register bits to sub-IRQ register offsets so that we can + * access corect sub-IRQ registers based on bits that are set in main IRQ + * register. + */ + +static unsigned int bit0_offsets[] = {11}; /* RTC IRQ */ +static unsigned int bit1_offsets[] = {10}; /* TEMP IRQ */ +static unsigned int bit2_offsets[] = {6, 7, 8, 9}; /* BAT MON IRQ */ +static unsigned int bit3_offsets[] = {5}; /* BAT IRQ */ +static unsigned int bit4_offsets[] = {4}; /* CHG IRQ */ +static unsigned int bit5_offsets[] = {3}; /* VSYS IRQ */ +static unsigned int bit6_offsets[] = {1, 2}; /* DCIN IRQ */ +static unsigned int bit7_offsets[] = {0}; /* BUCK IRQ */ + +static struct regmap_irq_sub_irq_map bd71828_sub_irq_offsets[] = { + REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets), + REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets), + REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets), + REGMAP_IRQ_MAIN_REG_OFFSET(bit3_offsets), + REGMAP_IRQ_MAIN_REG_OFFSET(bit4_offsets), + REGMAP_IRQ_MAIN_REG_OFFSET(bit5_offsets), + REGMAP_IRQ_MAIN_REG_OFFSET(bit6_offsets), + REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets), +}; + +static struct regmap_irq bd71828_irqs[] = { + REGMAP_IRQ_REG(BD71828_INT_BUCK1_OCP, 0, BD71828_INT_BUCK1_OCP_MASK), + REGMAP_IRQ_REG(BD71828_INT_BUCK2_OCP, 0, BD71828_INT_BUCK2_OCP_MASK), + REGMAP_IRQ_REG(BD71828_INT_BUCK3_OCP, 0, BD71828_INT_BUCK3_OCP_MASK), + REGMAP_IRQ_REG(BD71828_INT_BUCK4_OCP, 0, BD71828_INT_BUCK4_OCP_MASK), + REGMAP_IRQ_REG(BD71828_INT_BUCK5_OCP, 0, BD71828_INT_BUCK5_OCP_MASK), + REGMAP_IRQ_REG(BD71828_INT_BUCK6_OCP, 0, BD71828_INT_BUCK6_OCP_MASK), + REGMAP_IRQ_REG(BD71828_INT_BUCK7_OCP, 0, BD71828_INT_BUCK7_OCP_MASK), + REGMAP_IRQ_REG(BD71828_INT_PGFAULT, 0, BD71828_INT_PGFAULT_MASK), + /* DCIN1 interrupts */ + REGMAP_IRQ_REG(BD71828_INT_DCIN_DET, 1, BD71828_INT_DCIN_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_DCIN_RMV, 1, BD71828_INT_DCIN_RMV_MASK), + REGMAP_IRQ_REG(BD71828_INT_CLPS_OUT, 1, BD71828_INT_CLPS_OUT_MASK), + REGMAP_IRQ_REG(BD71828_INT_CLPS_IN, 1, BD71828_INT_CLPS_IN_MASK), + /* DCIN2 interrupts */ + REGMAP_IRQ_REG(BD71828_INT_DCIN_MON_RES, 2, + BD71828_INT_DCIN_MON_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_DCIN_MON_DET, 2, + BD71828_INT_DCIN_MON_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_LONGPUSH, 2, BD71828_INT_LONGPUSH_MASK), + REGMAP_IRQ_REG(BD71828_INT_MIDPUSH, 2, BD71828_INT_MIDPUSH_MASK), + REGMAP_IRQ_REG(BD71828_INT_SHORTPUSH, 2, BD71828_INT_SHORTPUSH_MASK), + REGMAP_IRQ_REG(BD71828_INT_PUSH, 2, BD71828_INT_PUSH_MASK), + REGMAP_IRQ_REG(BD71828_INT_WDOG, 2, BD71828_INT_WDOG_MASK), + REGMAP_IRQ_REG(BD71828_INT_SWRESET, 2, BD71828_INT_SWRESET_MASK), + /* Vsys */ + REGMAP_IRQ_REG(BD71828_INT_VSYS_UV_RES, 3, + BD71828_INT_VSYS_UV_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_VSYS_UV_DET, 3, + BD71828_INT_VSYS_UV_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_VSYS_LOW_RES, 3, + BD71828_INT_VSYS_LOW_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_VSYS_LOW_DET, 3, + BD71828_INT_VSYS_LOW_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_VSYS_HALL_IN, 3, + BD71828_INT_VSYS_HALL_IN_MASK), + REGMAP_IRQ_REG(BD71828_INT_VSYS_HALL_TOGGLE, 3, + BD71828_INT_VSYS_HALL_TOGGLE_MASK), + REGMAP_IRQ_REG(BD71828_INT_VSYS_MON_RES, 3, + BD71828_INT_VSYS_MON_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_VSYS_MON_DET, 3, + BD71828_INT_VSYS_MON_DET_MASK), + /* Charger */ + REGMAP_IRQ_REG(BD71828_INT_CHG_DCIN_ILIM, 4, + BD71828_INT_CHG_DCIN_ILIM_MASK), + REGMAP_IRQ_REG(BD71828_INT_CHG_TOPOFF_TO_DONE, 4, + BD71828_INT_CHG_TOPOFF_TO_DONE_MASK), + REGMAP_IRQ_REG(BD71828_INT_CHG_WDG_TEMP, 4, + BD71828_INT_CHG_WDG_TEMP_MASK), + REGMAP_IRQ_REG(BD71828_INT_CHG_WDG_TIME, 4, + BD71828_INT_CHG_WDG_TIME_MASK), + REGMAP_IRQ_REG(BD71828_INT_CHG_RECHARGE_RES, 4, + BD71828_INT_CHG_RECHARGE_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_CHG_RECHARGE_DET, 4, + BD71828_INT_CHG_RECHARGE_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_CHG_RANGED_TEMP_TRANSITION, 4, + BD71828_INT_CHG_RANGED_TEMP_TRANSITION_MASK), + REGMAP_IRQ_REG(BD71828_INT_CHG_STATE_TRANSITION, 4, + BD71828_INT_CHG_STATE_TRANSITION_MASK), + /* Battery */ + REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_NORMAL, 5, + BD71828_INT_BAT_TEMP_NORMAL_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_ERANGE, 5, + BD71828_INT_BAT_TEMP_ERANGE_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_WARN, 5, + BD71828_INT_BAT_TEMP_WARN_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_REMOVED, 5, + BD71828_INT_BAT_REMOVED_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_DETECTED, 5, + BD71828_INT_BAT_DETECTED_MASK), + REGMAP_IRQ_REG(BD71828_INT_THERM_REMOVED, 5, + BD71828_INT_THERM_REMOVED_MASK), + REGMAP_IRQ_REG(BD71828_INT_THERM_DETECTED, 5, + BD71828_INT_THERM_DETECTED_MASK), + /* Battery Mon 1 */ + REGMAP_IRQ_REG(BD71828_INT_BAT_DEAD, 6, BD71828_INT_BAT_DEAD_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_SHORTC_RES, 6, + BD71828_INT_BAT_SHORTC_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_SHORTC_DET, 6, + BD71828_INT_BAT_SHORTC_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_LOW_VOLT_RES, 6, + BD71828_INT_BAT_LOW_VOLT_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_LOW_VOLT_DET, 6, + BD71828_INT_BAT_LOW_VOLT_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_VOLT_RES, 6, + BD71828_INT_BAT_OVER_VOLT_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_VOLT_DET, 6, + BD71828_INT_BAT_OVER_VOLT_DET_MASK), + /* Battery Mon 2 */ + REGMAP_IRQ_REG(BD71828_INT_BAT_MON_RES, 7, + BD71828_INT_BAT_MON_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_MON_DET, 7, + BD71828_INT_BAT_MON_DET_MASK), + /* Battery Mon 3 (Coulomb counter) */ + REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON1, 8, + BD71828_INT_BAT_CC_MON1_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON2, 8, + BD71828_INT_BAT_CC_MON2_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON3, 8, + BD71828_INT_BAT_CC_MON3_MASK), + /* Battery Mon 4 */ + REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_1_RES, 9, + BD71828_INT_BAT_OVER_CURR_1_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_1_DET, 9, + BD71828_INT_BAT_OVER_CURR_1_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_2_RES, 9, + BD71828_INT_BAT_OVER_CURR_2_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_2_DET, 9, + BD71828_INT_BAT_OVER_CURR_2_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_3_RES, 9, + BD71828_INT_BAT_OVER_CURR_3_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_3_DET, 9, + BD71828_INT_BAT_OVER_CURR_3_DET_MASK), + /* Temperature */ + REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_LOW_RES, 10, + BD71828_INT_TEMP_BAT_LOW_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_LOW_DET, 10, + BD71828_INT_TEMP_BAT_LOW_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_HI_RES, 10, + BD71828_INT_TEMP_BAT_HI_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_HI_DET, 10, + BD71828_INT_TEMP_BAT_HI_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_125_RES, 10, + BD71828_INT_TEMP_CHIP_OVER_125_RES_MASK), + REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_125_DET, 10, + BD71828_INT_TEMP_CHIP_OVER_125_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_VF_DET, 10, + BD71828_INT_TEMP_CHIP_OVER_VF_DET_MASK), + REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_VF_RES, 10, + BD71828_INT_TEMP_CHIP_OVER_VF_RES_MASK), + /* RTC Alarm */ + REGMAP_IRQ_REG(BD71828_INT_RTC0, 11, BD71828_INT_RTC0_MASK), + REGMAP_IRQ_REG(BD71828_INT_RTC1, 11, BD71828_INT_RTC1_MASK), + REGMAP_IRQ_REG(BD71828_INT_RTC2, 11, BD71828_INT_RTC2_MASK), +}; + +static struct regmap_irq_chip bd71828_irq_chip = { + .name = "bd71828_irq", + .main_status = BD71828_REG_INT_MAIN, + .irqs = &bd71828_irqs[0], + .num_irqs = ARRAY_SIZE(bd71828_irqs), + .status_base = BD71828_REG_INT_BUCK, + .mask_base = BD71828_REG_INT_MASK_BUCK, + .ack_base = BD71828_REG_INT_BUCK, + .mask_invert = true, + .init_ack_masked = true, + .num_regs = 12, + .num_main_regs = 1, + .sub_reg_offsets = &bd71828_sub_irq_offsets[0], + .num_main_status_bits = 8, + .irq_reg_stride = 1, +}; + +static int bd71828_i2c_probe(struct i2c_client *i2c) +{ + struct rohm_regmap_dev *chip; + struct regmap_irq_chip_data *irq_data; + int ret; + + if (!i2c->irq) { + dev_err(&i2c->dev, "No IRQ configured\n"); + return -EINVAL; + } + + chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + dev_set_drvdata(&i2c->dev, chip); + + chip->regmap = devm_regmap_init_i2c(i2c, &bd71828_regmap); + if (IS_ERR(chip->regmap)) { + dev_err(&i2c->dev, "Failed to initialize Regmap\n"); + return PTR_ERR(chip->regmap); + } + + ret = devm_regmap_add_irq_chip(&i2c->dev, chip->regmap, + i2c->irq, IRQF_ONESHOT, 0, + &bd71828_irq_chip, &irq_data); + if (ret) { + dev_err(&i2c->dev, "Failed to add IRQ chip\n"); + return ret; + } + + dev_dbg(&i2c->dev, "Registered %d IRQs for chip\n", + bd71828_irq_chip.num_irqs); + + ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, + bd71828_mfd_cells, + ARRAY_SIZE(bd71828_mfd_cells), NULL, 0, + regmap_irq_get_domain(irq_data)); + if (ret) + dev_err(&i2c->dev, "Failed to create subdevices\n"); + + return ret; +} + +static const struct of_device_id bd71828_of_match[] = { + { .compatible = "rohm,bd71828", }, + { }, +}; +MODULE_DEVICE_TABLE(of, bd71828_of_match); + +static struct i2c_driver bd71828_drv = { + .driver = { + .name = "rohm-bd71828", + .of_match_table = bd71828_of_match, + }, + .probe_new = &bd71828_i2c_probe, +}; + +module_i2c_driver(bd71828_drv); + +MODULE_AUTHOR("Matti Vaittinen "); +MODULE_DESCRIPTION("ROHM BD71828 Power Management IC driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/mfd/rohm-bd71828.h b/include/linux/mfd/rohm-bd71828.h new file mode 100644 index 000000000000..eb0557eb5314 --- /dev/null +++ b/include/linux/mfd/rohm-bd71828.h @@ -0,0 +1,425 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright (C) 2019 ROHM Semiconductors */ + +#ifndef __LINUX_MFD_BD71828_H__ +#define __LINUX_MFD_BD71828_H__ + +#include + +/* Regulator IDs */ +enum { + BD71828_BUCK1, + BD71828_BUCK2, + BD71828_BUCK3, + BD71828_BUCK4, + BD71828_BUCK5, + BD71828_BUCK6, + BD71828_BUCK7, + BD71828_LDO1, + BD71828_LDO2, + BD71828_LDO3, + BD71828_LDO4, + BD71828_LDO5, + BD71828_LDO6, + BD71828_LDO_SNVS, + BD71828_REGULATOR_AMOUNT, +}; + +#define BD71828_BUCK1267_VOLTS 0xEF +#define BD71828_BUCK3_VOLTS 0x10 +#define BD71828_BUCK4_VOLTS 0x20 +#define BD71828_BUCK5_VOLTS 0x10 +#define BD71828_LDO_VOLTS 0x32 +/* LDO6 is fixed 1.8V voltage */ +#define BD71828_LDO_6_VOLTAGE 1800000 + +/* Registers and masks*/ + +/* MODE control */ +#define BD71828_REG_PS_CTRL_1 0x04 +#define BD71828_REG_PS_CTRL_2 0x05 +#define BD71828_REG_PS_CTRL_3 0x06 + +//#define BD71828_REG_SWRESET 0x06 +#define BD71828_MASK_RUN_LVL_CTRL 0x30 + +/* Regulator control masks */ + +#define BD71828_MASK_RAMP_DELAY 0x6 + +#define BD71828_MASK_RUN_EN 0x08 +#define BD71828_MASK_SUSP_EN 0x04 +#define BD71828_MASK_IDLE_EN 0x02 +#define BD71828_MASK_LPSR_EN 0x01 + +#define BD71828_MASK_RUN0_EN 0x01 +#define BD71828_MASK_RUN1_EN 0x02 +#define BD71828_MASK_RUN2_EN 0x04 +#define BD71828_MASK_RUN3_EN 0x08 + +#define BD71828_MASK_DVS_BUCK1_CTRL 0x10 +#define BD71828_DVS_BUCK1_CTRL_I2C 0 +#define BD71828_DVS_BUCK1_USE_RUNLVL 0x10 + +#define BD71828_MASK_DVS_BUCK2_CTRL 0x20 +#define BD71828_DVS_BUCK2_CTRL_I2C 0 +#define BD71828_DVS_BUCK2_USE_RUNLVL 0x20 + +#define BD71828_MASK_DVS_BUCK6_CTRL 0x40 +#define BD71828_DVS_BUCK6_CTRL_I2C 0 +#define BD71828_DVS_BUCK6_USE_RUNLVL 0x40 + +#define BD71828_MASK_DVS_BUCK7_CTRL 0x80 +#define BD71828_DVS_BUCK7_CTRL_I2C 0 +#define BD71828_DVS_BUCK7_USE_RUNLVL 0x80 + +#define BD71828_MASK_BUCK1267_VOLT 0xff +#define BD71828_MASK_BUCK3_VOLT 0x1f +#define BD71828_MASK_BUCK4_VOLT 0x3f +#define BD71828_MASK_BUCK5_VOLT 0x1f +#define BD71828_MASK_LDO_VOLT 0x3f + +/* Regulator control regs */ +#define BD71828_REG_BUCK1_EN 0x08 +#define BD71828_REG_BUCK1_CTRL 0x09 +#define BD71828_REG_BUCK1_MODE 0x0a +#define BD71828_REG_BUCK1_IDLE_VOLT 0x0b +#define BD71828_REG_BUCK1_SUSP_VOLT 0x0c +#define BD71828_REG_BUCK1_VOLT 0x0d + +#define BD71828_REG_BUCK2_EN 0x12 +#define BD71828_REG_BUCK2_CTRL 0x13 +#define BD71828_REG_BUCK2_MODE 0x14 +#define BD71828_REG_BUCK2_IDLE_VOLT 0x15 +#define BD71828_REG_BUCK2_SUSP_VOLT 0x16 +#define BD71828_REG_BUCK2_VOLT 0x17 + +#define BD71828_REG_BUCK3_EN 0x1c +#define BD71828_REG_BUCK3_MODE 0x1d +#define BD71828_REG_BUCK3_VOLT 0x1e + +#define BD71828_REG_BUCK4_EN 0x1f +#define BD71828_REG_BUCK4_MODE 0x20 +#define BD71828_REG_BUCK4_VOLT 0x21 + +#define BD71828_REG_BUCK5_EN 0x22 +#define BD71828_REG_BUCK5_MODE 0x23 +#define BD71828_REG_BUCK5_VOLT 0x24 + +#define BD71828_REG_BUCK6_EN 0x25 +#define BD71828_REG_BUCK6_CTRL 0x26 +#define BD71828_REG_BUCK6_MODE 0x27 +#define BD71828_REG_BUCK6_IDLE_VOLT 0x28 +#define BD71828_REG_BUCK6_SUSP_VOLT 0x29 +#define BD71828_REG_BUCK6_VOLT 0x2a + +#define BD71828_REG_BUCK7_EN 0x2f +#define BD71828_REG_BUCK7_CTRL 0x30 +#define BD71828_REG_BUCK7_MODE 0x31 +#define BD71828_REG_BUCK7_IDLE_VOLT 0x32 +#define BD71828_REG_BUCK7_SUSP_VOLT 0x33 +#define BD71828_REG_BUCK7_VOLT 0x34 + +#define BD71828_REG_LDO1_EN 0x39 +#define BD71828_REG_LDO1_VOLT 0x3a +#define BD71828_REG_LDO2_EN 0x3b +#define BD71828_REG_LDO2_VOLT 0x3c +#define BD71828_REG_LDO3_EN 0x3d +#define BD71828_REG_LDO3_VOLT 0x3e +#define BD71828_REG_LDO4_EN 0x3f +#define BD71828_REG_LDO4_VOLT 0x40 +#define BD71828_REG_LDO5_EN 0x41 +#define BD71828_REG_LDO5_VOLT 0x43 +#define BD71828_REG_LDO5_VOLT_OPT 0x42 +#define BD71828_REG_LDO6_EN 0x44 +//#define BD71828_REG_LDO6_VOLT 0x4 +#define BD71828_REG_LDO7_EN 0x45 +#define BD71828_REG_LDO7_VOLT 0x46 + +/* GPIO */ + +#define BD71828_GPIO_DRIVE_MASK 0x2 +#define BD71828_GPIO_OPEN_DRAIN 0x0 +#define BD71828_GPIO_PUSH_PULL 0x2 +#define BD71828_GPIO_OUT_HI 0x1 +#define BD71828_GPIO_OUT_LO 0x0 +#define BD71828_GPIO_OUT_MASK 0x1 + +#define BD71828_REG_GPIO_CTRL1 0x47 +#define BD71828_REG_GPIO_CTRL2 0x48 +#define BD71828_REG_GPIO_CTRL3 0x49 +#define BD71828_REG_IO_STAT 0xed + +/* RTC */ +#define BD71828_REG_RTC_SEC 0x4c +#define BD71828_REG_RTC_MINUTE 0x4d +#define BD71828_REG_RTC_HOUR 0x4e +#define BD71828_REG_RTC_WEEK 0x4f +#define BD71828_REG_RTC_DAY 0x50 +#define BD71828_REG_RTC_MONTH 0x51 +#define BD71828_REG_RTC_YEAR 0x52 + +#define BD71828_REG_RTC_ALM0_SEC 0x53 +#define BD71828_REG_RTC_ALM0_MINUTE 0x54 +#define BD71828_REG_RTC_ALM0_HOUR 0x55 +#define BD71828_REG_RTC_ALM0_WEEK 0x56 +#define BD71828_REG_RTC_ALM0_DAY 0x57 +#define BD71828_REG_RTC_ALM0_MONTH 0x58 +#define BD71828_REG_RTC_ALM0_YEAR 0x59 +#define BD71828_REG_RTC_ALM0_MASK 0x61 + +#define BD71828_REG_RTC_ALM1_SEC 0x5a +#define BD71828_REG_RTC_ALM1_MINUTE 0x5b +#define BD71828_REG_RTC_ALM1_HOUR 0x5c +#define BD71828_REG_RTC_ALM1_WEEK 0x5d +#define BD71828_REG_RTC_ALM1_DAY 0x5e +#define BD71828_REG_RTC_ALM1_MONTH 0x5f +#define BD71828_REG_RTC_ALM1_YEAR 0x60 +#define BD71828_REG_RTC_ALM1_MASK 0x62 + +#define BD71828_REG_RTC_ALM2 0x63 + +/* Charger/Battey */ +#define BD71828_REG_CHG_STATE 0x65 +#define BD71828_REG_CHG_FULL 0xd2 + +/* CLK */ +#define BD71828_REG_OUT32K 0x4B + +/* LEDs */ +#define BD71828_REG_LED_CTRL 0x4A +#define BD71828_MASK_LED_AMBER 0x80 +#define BD71828_MASK_LED_GREEN 0x40 +#define BD71828_LED_ON 0xff +#define BD71828_LED_OFF 0x0 + +/* IRQ registers */ +#define BD71828_REG_INT_MASK_BUCK 0xd3 +#define BD71828_REG_INT_MASK_DCIN1 0xd4 +#define BD71828_REG_INT_MASK_DCIN2 0xd5 +#define BD71828_REG_INT_MASK_VSYS 0xd6 +#define BD71828_REG_INT_MASK_CHG 0xd7 +#define BD71828_REG_INT_MASK_BAT 0xd8 +#define BD71828_REG_INT_MASK_BAT_MON1 0xd9 +#define BD71828_REG_INT_MASK_BAT_MON2 0xda +#define BD71828_REG_INT_MASK_BAT_MON3 0xdb +#define BD71828_REG_INT_MASK_BAT_MON4 0xdc +#define BD71828_REG_INT_MASK_TEMP 0xdd +#define BD71828_REG_INT_MASK_RTC 0xde + + +#define BD71828_REG_INT_MAIN 0xdf +#define BD71828_REG_INT_BUCK 0xe0 +#define BD71828_REG_INT_DCIN1 0xe1 +#define BD71828_REG_INT_DCIN2 0xe2 +#define BD71828_REG_INT_VSYS 0xe3 +#define BD71828_REG_INT_CHG 0xe4 +#define BD71828_REG_INT_BAT 0xe5 +#define BD71828_REG_INT_BAT_MON1 0xe6 +#define BD71828_REG_INT_BAT_MON2 0xe7 +#define BD71828_REG_INT_BAT_MON3 0xe8 +#define BD71828_REG_INT_BAT_MON4 0xe9 +#define BD71828_REG_INT_TEMP 0xea +#define BD71828_REG_INT_RTC 0xeb +#define BD71828_REG_INT_UPDATE 0xec + +#define BD71828_MAX_REGISTER BD71828_REG_IO_STAT + +/* Masks for main IRQ register bits */ +enum { + BD71828_INT_BUCK, +#define BD71828_INT_BUCK_MASK BIT(BD71828_INT_BUCK) + BD71828_INT_DCIN, +#define BD71828_INT_DCIN_MASK BIT(BD71828_INT_DCIN) + BD71828_INT_VSYS, +#define BD71828_INT_VSYS_MASK BIT(BD71828_INT_VSYS) + BD71828_INT_CHG, +#define BD71828_INT_CHG_MASK BIT(BD71828_INT_CHG) + BD71828_INT_BAT, +#define BD71828_INT_BAT_MASK BIT(BD71828_INT_BAT) + BD71828_INT_BAT_MON, +#define BD71828_INT_BAT_MON_MASK BIT(BD71828_INT_BAT_MON) + BD71828_INT_TEMP, +#define BD71828_INT_TEMP_MASK BIT(BD71828_INT_TEMP) + BD71828_INT_RTC, +#define BD71828_INT_RTC_MASK BIT(BD71828_INT_RTC) +}; + +/* Interrupts */ +enum { + /* BUCK reg interrupts */ + BD71828_INT_BUCK1_OCP, + BD71828_INT_BUCK2_OCP, + BD71828_INT_BUCK3_OCP, + BD71828_INT_BUCK4_OCP, + BD71828_INT_BUCK5_OCP, + BD71828_INT_BUCK6_OCP, + BD71828_INT_BUCK7_OCP, + BD71828_INT_PGFAULT, + /* DCIN1 interrupts */ + BD71828_INT_DCIN_DET, + BD71828_INT_DCIN_RMV, + BD71828_INT_CLPS_OUT, + BD71828_INT_CLPS_IN, + /* DCIN2 interrupts */ + BD71828_INT_DCIN_MON_RES, + BD71828_INT_DCIN_MON_DET, + BD71828_INT_LONGPUSH, + BD71828_INT_MIDPUSH, + BD71828_INT_SHORTPUSH, + BD71828_INT_PUSH, + BD71828_INT_WDOG, + BD71828_INT_SWRESET, + /* Vsys */ + BD71828_INT_VSYS_UV_RES, + BD71828_INT_VSYS_UV_DET, + BD71828_INT_VSYS_LOW_RES, + BD71828_INT_VSYS_LOW_DET, + BD71828_INT_VSYS_HALL_IN, + BD71828_INT_VSYS_HALL_TOGGLE, + BD71828_INT_VSYS_MON_RES, + BD71828_INT_VSYS_MON_DET, + /* Charger */ + BD71828_INT_CHG_DCIN_ILIM, + BD71828_INT_CHG_TOPOFF_TO_DONE, + BD71828_INT_CHG_WDG_TEMP, + BD71828_INT_CHG_WDG_TIME, + BD71828_INT_CHG_RECHARGE_RES, + BD71828_INT_CHG_RECHARGE_DET, + BD71828_INT_CHG_RANGED_TEMP_TRANSITION, + BD71828_INT_CHG_STATE_TRANSITION, + /* Battery */ + BD71828_INT_BAT_TEMP_NORMAL, + BD71828_INT_BAT_TEMP_ERANGE, + BD71828_INT_BAT_TEMP_WARN, + BD71828_INT_BAT_REMOVED, + BD71828_INT_BAT_DETECTED, + BD71828_INT_THERM_REMOVED, + BD71828_INT_THERM_DETECTED, + /* Battery Mon 1 */ + BD71828_INT_BAT_DEAD, + BD71828_INT_BAT_SHORTC_RES, + BD71828_INT_BAT_SHORTC_DET, + BD71828_INT_BAT_LOW_VOLT_RES, + BD71828_INT_BAT_LOW_VOLT_DET, + BD71828_INT_BAT_OVER_VOLT_RES, + BD71828_INT_BAT_OVER_VOLT_DET, + /* Battery Mon 2 */ + BD71828_INT_BAT_MON_RES, + BD71828_INT_BAT_MON_DET, + /* Battery Mon 3 (Coulomb counter) */ + BD71828_INT_BAT_CC_MON1, + BD71828_INT_BAT_CC_MON2, + BD71828_INT_BAT_CC_MON3, + /* Battery Mon 4 */ + BD71828_INT_BAT_OVER_CURR_1_RES, + BD71828_INT_BAT_OVER_CURR_1_DET, + BD71828_INT_BAT_OVER_CURR_2_RES, + BD71828_INT_BAT_OVER_CURR_2_DET, + BD71828_INT_BAT_OVER_CURR_3_RES, + BD71828_INT_BAT_OVER_CURR_3_DET, + /* Temperature */ + BD71828_INT_TEMP_BAT_LOW_RES, + BD71828_INT_TEMP_BAT_LOW_DET, + BD71828_INT_TEMP_BAT_HI_RES, + BD71828_INT_TEMP_BAT_HI_DET, + BD71828_INT_TEMP_CHIP_OVER_125_RES, + BD71828_INT_TEMP_CHIP_OVER_125_DET, + BD71828_INT_TEMP_CHIP_OVER_VF_DET, + BD71828_INT_TEMP_CHIP_OVER_VF_RES, + /* RTC Alarm */ + BD71828_INT_RTC0, + BD71828_INT_RTC1, + BD71828_INT_RTC2, +}; + +#define BD71828_INT_BUCK1_OCP_MASK 0x1 +#define BD71828_INT_BUCK2_OCP_MASK 0x2 +#define BD71828_INT_BUCK3_OCP_MASK 0x4 +#define BD71828_INT_BUCK4_OCP_MASK 0x8 +#define BD71828_INT_BUCK5_OCP_MASK 0x10 +#define BD71828_INT_BUCK6_OCP_MASK 0x20 +#define BD71828_INT_BUCK7_OCP_MASK 0x40 +#define BD71828_INT_PGFAULT_MASK 0x80 + +#define BD71828_INT_DCIN_DET_MASK 0x1 +#define BD71828_INT_DCIN_RMV_MASK 0x2 +#define BD71828_INT_CLPS_OUT_MASK 0x4 +#define BD71828_INT_CLPS_IN_MASK 0x8 + /* DCIN2 interrupts */ +#define BD71828_INT_DCIN_MON_RES_MASK 0x1 +#define BD71828_INT_DCIN_MON_DET_MASK 0x2 +#define BD71828_INT_LONGPUSH_MASK 0x4 +#define BD71828_INT_MIDPUSH_MASK 0x8 +#define BD71828_INT_SHORTPUSH_MASK 0x10 +#define BD71828_INT_PUSH_MASK 0x20 +#define BD71828_INT_WDOG_MASK 0x40 +#define BD71828_INT_SWRESET_MASK 0x80 + /* Vsys */ +#define BD71828_INT_VSYS_UV_RES_MASK 0x1 +#define BD71828_INT_VSYS_UV_DET_MASK 0x2 +#define BD71828_INT_VSYS_LOW_RES_MASK 0x4 +#define BD71828_INT_VSYS_LOW_DET_MASK 0x8 +#define BD71828_INT_VSYS_HALL_IN_MASK 0x10 +#define BD71828_INT_VSYS_HALL_TOGGLE_MASK 0x20 +#define BD71828_INT_VSYS_MON_RES_MASK 0x40 +#define BD71828_INT_VSYS_MON_DET_MASK 0x80 + /* Charger */ +#define BD71828_INT_CHG_DCIN_ILIM_MASK 0x1 +#define BD71828_INT_CHG_TOPOFF_TO_DONE_MASK 0x2 +#define BD71828_INT_CHG_WDG_TEMP_MASK 0x4 +#define BD71828_INT_CHG_WDG_TIME_MASK 0x8 +#define BD71828_INT_CHG_RECHARGE_RES_MASK 0x10 +#define BD71828_INT_CHG_RECHARGE_DET_MASK 0x20 +#define BD71828_INT_CHG_RANGED_TEMP_TRANSITION_MASK 0x40 +#define BD71828_INT_CHG_STATE_TRANSITION_MASK 0x80 + /* Battery */ +#define BD71828_INT_BAT_TEMP_NORMAL_MASK 0x1 +#define BD71828_INT_BAT_TEMP_ERANGE_MASK 0x2 +#define BD71828_INT_BAT_TEMP_WARN_MASK 0x4 +#define BD71828_INT_BAT_REMOVED_MASK 0x10 +#define BD71828_INT_BAT_DETECTED_MASK 0x20 +#define BD71828_INT_THERM_REMOVED_MASK 0x40 +#define BD71828_INT_THERM_DETECTED_MASK 0x80 + /* Battery Mon 1 */ +#define BD71828_INT_BAT_DEAD_MASK 0x2 +#define BD71828_INT_BAT_SHORTC_RES_MASK 0x4 +#define BD71828_INT_BAT_SHORTC_DET_MASK 0x8 +#define BD71828_INT_BAT_LOW_VOLT_RES_MASK 0x10 +#define BD71828_INT_BAT_LOW_VOLT_DET_MASK 0x20 +#define BD71828_INT_BAT_OVER_VOLT_RES_MASK 0x40 +#define BD71828_INT_BAT_OVER_VOLT_DET_MASK 0x80 + /* Battery Mon 2 */ +#define BD71828_INT_BAT_MON_RES_MASK 0x1 +#define BD71828_INT_BAT_MON_DET_MASK 0x2 + /* Battery Mon 3 (Coulomb counter) */ +#define BD71828_INT_BAT_CC_MON1_MASK 0x1 +#define BD71828_INT_BAT_CC_MON2_MASK 0x2 +#define BD71828_INT_BAT_CC_MON3_MASK 0x4 + /* Battery Mon 4 */ +#define BD71828_INT_BAT_OVER_CURR_1_RES_MASK 0x1 +#define BD71828_INT_BAT_OVER_CURR_1_DET_MASK 0x2 +#define BD71828_INT_BAT_OVER_CURR_2_RES_MASK 0x4 +#define BD71828_INT_BAT_OVER_CURR_2_DET_MASK 0x8 +#define BD71828_INT_BAT_OVER_CURR_3_RES_MASK 0x10 +#define BD71828_INT_BAT_OVER_CURR_3_DET_MASK 0x20 + /* Temperature */ +#define BD71828_INT_TEMP_BAT_LOW_RES_MASK 0x1 +#define BD71828_INT_TEMP_BAT_LOW_DET_MASK 0x2 +#define BD71828_INT_TEMP_BAT_HI_RES_MASK 0x4 +#define BD71828_INT_TEMP_BAT_HI_DET_MASK 0x8 +#define BD71828_INT_TEMP_CHIP_OVER_125_RES_MASK 0x10 +#define BD71828_INT_TEMP_CHIP_OVER_125_DET_MASK 0x20 +#define BD71828_INT_TEMP_CHIP_OVER_VF_RES_MASK 0x40 +#define BD71828_INT_TEMP_CHIP_OVER_VF_DET_MASK 0x80 + /* RTC Alarm */ +#define BD71828_INT_RTC0_MASK 0x1 +#define BD71828_INT_RTC1_MASK 0x2 +#define BD71828_INT_RTC2_MASK 0x4 + +#define BD71828_OUT32K_EN 0x1 +#define BD71828_OUT_TYPE_MASK 0x2 +#define BD71828_OUT_TYPE_OPEN_DRAIN 0x0 +#define BD71828_OUT_TYPE_CMOS 0x2 + +#endif /* __LINUX_MFD_BD71828_H__ */ diff --git a/include/linux/mfd/rohm-generic.h b/include/linux/mfd/rohm-generic.h index 922f88008232..ff3dd7578fd3 100644 --- a/include/linux/mfd/rohm-generic.h +++ b/include/linux/mfd/rohm-generic.h @@ -8,6 +8,7 @@ enum rohm_chip_type { ROHM_CHIP_TYPE_BD71837 = 0, ROHM_CHIP_TYPE_BD71847, ROHM_CHIP_TYPE_BD70528, + ROHM_CHIP_TYPE_BD71828, ROHM_CHIP_TYPE_AMOUNT }; -- 2.21.0 -- Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~ Simon says - in Latin please. ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~ Thanks to Simon Glass for the translation =]