forked from Minki/linux
Merge branch 'ib-mfd-iio-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into acpi-pmic
Pull MFD changes that the ACPI PMIC changes depend on from Lee Jones.
This commit is contained in:
Rafael J. Wysocki
commit
a26033a1f5
@ -127,6 +127,14 @@ config AT91_ADC
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help
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Say yes here to build support for Atmel AT91 ADC.
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config AXP288_ADC
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tristate "X-Powers AXP288 ADC driver"
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depends on MFD_AXP20X
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help
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Say yes here to have support for X-Powers power management IC (PMIC) ADC
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device. Depending on platform configuration, this general purpose ADC can
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be used for sampling sensors such as thermal resistors.
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config EXYNOS_ADC
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tristate "Exynos ADC driver support"
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depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || (OF && COMPILE_TEST)
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@ -14,6 +14,7 @@ obj-$(CONFIG_AD7793) += ad7793.o
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obj-$(CONFIG_AD7887) += ad7887.o
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obj-$(CONFIG_AD799X) += ad799x.o
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obj-$(CONFIG_AT91_ADC) += at91_adc.o
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obj-$(CONFIG_AXP288_ADC) += axp288_adc.o
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obj-$(CONFIG_EXYNOS_ADC) += exynos_adc.o
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obj-$(CONFIG_LP8788_ADC) += lp8788_adc.o
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obj-$(CONFIG_MAX1027) += max1027.o
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261
drivers/iio/adc/axp288_adc.c
Normal file
261
drivers/iio/adc/axp288_adc.c
Normal file
@ -0,0 +1,261 @@
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/*
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* axp288_adc.c - X-Powers AXP288 PMIC ADC Driver
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*
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* Copyright (C) 2014 Intel Corporation
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/device.h>
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#include <linux/regmap.h>
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#include <linux/mfd/axp20x.h>
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#include <linux/platform_device.h>
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#include <linux/iio/iio.h>
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#include <linux/iio/machine.h>
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#include <linux/iio/driver.h>
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#define AXP288_ADC_EN_MASK 0xF1
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#define AXP288_ADC_TS_PIN_GPADC 0xF2
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#define AXP288_ADC_TS_PIN_ON 0xF3
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enum axp288_adc_id {
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AXP288_ADC_TS,
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AXP288_ADC_PMIC,
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AXP288_ADC_GP,
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AXP288_ADC_BATT_CHRG_I,
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AXP288_ADC_BATT_DISCHRG_I,
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AXP288_ADC_BATT_V,
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AXP288_ADC_NR_CHAN,
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};
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struct axp288_adc_info {
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int irq;
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struct regmap *regmap;
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};
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static const struct iio_chan_spec const axp288_adc_channels[] = {
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{
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.indexed = 1,
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.type = IIO_TEMP,
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.channel = 0,
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.address = AXP288_TS_ADC_H,
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.datasheet_name = "TS_PIN",
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}, {
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.indexed = 1,
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.type = IIO_TEMP,
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.channel = 1,
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.address = AXP288_PMIC_ADC_H,
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.datasheet_name = "PMIC_TEMP",
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}, {
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.indexed = 1,
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.type = IIO_TEMP,
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.channel = 2,
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.address = AXP288_GP_ADC_H,
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.datasheet_name = "GPADC",
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}, {
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.indexed = 1,
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.type = IIO_CURRENT,
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.channel = 3,
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.address = AXP20X_BATT_CHRG_I_H,
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.datasheet_name = "BATT_CHG_I",
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.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
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}, {
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.indexed = 1,
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.type = IIO_CURRENT,
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.channel = 4,
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.address = AXP20X_BATT_DISCHRG_I_H,
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.datasheet_name = "BATT_DISCHRG_I",
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.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
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}, {
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.indexed = 1,
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.type = IIO_VOLTAGE,
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.channel = 5,
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.address = AXP20X_BATT_V_H,
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.datasheet_name = "BATT_V",
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.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
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},
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};
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#define AXP288_ADC_MAP(_adc_channel_label, _consumer_dev_name, \
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_consumer_channel) \
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{ \
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.adc_channel_label = _adc_channel_label, \
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.consumer_dev_name = _consumer_dev_name, \
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.consumer_channel = _consumer_channel, \
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}
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/* for consumer drivers */
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static struct iio_map axp288_adc_default_maps[] = {
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AXP288_ADC_MAP("TS_PIN", "axp288-batt", "axp288-batt-temp"),
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AXP288_ADC_MAP("PMIC_TEMP", "axp288-pmic", "axp288-pmic-temp"),
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AXP288_ADC_MAP("GPADC", "axp288-gpadc", "axp288-system-temp"),
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AXP288_ADC_MAP("BATT_CHG_I", "axp288-chrg", "axp288-chrg-curr"),
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AXP288_ADC_MAP("BATT_DISCHRG_I", "axp288-chrg", "axp288-chrg-d-curr"),
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AXP288_ADC_MAP("BATT_V", "axp288-batt", "axp288-batt-volt"),
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{},
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};
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static int axp288_adc_read_channel(int *val, unsigned long address,
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struct regmap *regmap)
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{
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u8 buf[2];
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if (regmap_bulk_read(regmap, address, buf, 2))
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return -EIO;
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*val = (buf[0] << 4) + ((buf[1] >> 4) & 0x0F);
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return IIO_VAL_INT;
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}
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static int axp288_adc_set_ts(struct regmap *regmap, unsigned int mode,
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unsigned long address)
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{
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/* channels other than GPADC do not need to switch TS pin */
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if (address != AXP288_GP_ADC_H)
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return 0;
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return regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, mode);
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}
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static int axp288_adc_read_raw(struct iio_dev *indio_dev,
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struct iio_chan_spec const *chan,
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int *val, int *val2, long mask)
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{
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int ret;
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struct axp288_adc_info *info = iio_priv(indio_dev);
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mutex_lock(&indio_dev->mlock);
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switch (mask) {
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case IIO_CHAN_INFO_RAW:
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if (axp288_adc_set_ts(info->regmap, AXP288_ADC_TS_PIN_GPADC,
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chan->address)) {
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dev_err(&indio_dev->dev, "GPADC mode\n");
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ret = -EINVAL;
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break;
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}
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ret = axp288_adc_read_channel(val, chan->address, info->regmap);
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if (axp288_adc_set_ts(info->regmap, AXP288_ADC_TS_PIN_ON,
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chan->address))
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dev_err(&indio_dev->dev, "TS pin restore\n");
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break;
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case IIO_CHAN_INFO_PROCESSED:
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ret = axp288_adc_read_channel(val, chan->address, info->regmap);
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break;
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default:
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ret = -EINVAL;
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}
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mutex_unlock(&indio_dev->mlock);
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return ret;
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}
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static int axp288_adc_set_state(struct regmap *regmap)
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{
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/* ADC should be always enabled for internal FG to function */
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if (regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, AXP288_ADC_TS_PIN_ON))
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return -EIO;
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return regmap_write(regmap, AXP20X_ADC_EN1, AXP288_ADC_EN_MASK);
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}
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static const struct iio_info axp288_adc_iio_info = {
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.read_raw = &axp288_adc_read_raw,
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.driver_module = THIS_MODULE,
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};
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static int axp288_adc_probe(struct platform_device *pdev)
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{
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int ret;
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struct axp288_adc_info *info;
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struct iio_dev *indio_dev;
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struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
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indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
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if (!indio_dev)
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return -ENOMEM;
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info = iio_priv(indio_dev);
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info->irq = platform_get_irq(pdev, 0);
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if (info->irq < 0) {
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dev_err(&pdev->dev, "no irq resource?\n");
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return info->irq;
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}
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platform_set_drvdata(pdev, indio_dev);
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info->regmap = axp20x->regmap;
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/*
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* Set ADC to enabled state at all time, including system suspend.
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* otherwise internal fuel gauge functionality may be affected.
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*/
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ret = axp288_adc_set_state(axp20x->regmap);
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if (ret) {
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dev_err(&pdev->dev, "unable to enable ADC device\n");
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return ret;
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}
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indio_dev->dev.parent = &pdev->dev;
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indio_dev->name = pdev->name;
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indio_dev->channels = axp288_adc_channels;
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indio_dev->num_channels = ARRAY_SIZE(axp288_adc_channels);
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indio_dev->info = &axp288_adc_iio_info;
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indio_dev->modes = INDIO_DIRECT_MODE;
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ret = iio_map_array_register(indio_dev, axp288_adc_default_maps);
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if (ret < 0)
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return ret;
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ret = iio_device_register(indio_dev);
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if (ret < 0) {
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dev_err(&pdev->dev, "unable to register iio device\n");
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goto err_array_unregister;
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}
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return 0;
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err_array_unregister:
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iio_map_array_unregister(indio_dev);
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return ret;
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}
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static int axp288_adc_remove(struct platform_device *pdev)
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{
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struct iio_dev *indio_dev = platform_get_drvdata(pdev);
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iio_device_unregister(indio_dev);
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iio_map_array_unregister(indio_dev);
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return 0;
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}
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static struct platform_device_id axp288_adc_id_table[] = {
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{ .name = "axp288_adc" },
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{},
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};
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static struct platform_driver axp288_adc_driver = {
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.probe = axp288_adc_probe,
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.remove = axp288_adc_remove,
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.id_table = axp288_adc_id_table,
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.driver = {
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.name = "axp288_adc",
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},
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};
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MODULE_DEVICE_TABLE(platform, axp288_adc_id_table);
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module_platform_driver(axp288_adc_driver);
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MODULE_AUTHOR("Jacob Pan <jacob.jun.pan@linux.intel.com>");
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MODULE_DESCRIPTION("X-Powers AXP288 ADC Driver");
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MODULE_LICENSE("GPL");
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@ -74,7 +74,8 @@ config MFD_AXP20X
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select REGMAP_IRQ
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depends on I2C=y
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help
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If you say Y here you get support for the X-Powers AXP202 and AXP209.
|
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If you say Y here you get support for the X-Powers AXP202, AXP209 and
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AXP288 power management IC (PMIC).
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This driver include only the core APIs. You have to select individual
|
||||
components like regulators or the PEK (Power Enable Key) under the
|
||||
corresponding menus.
|
||||
|
||||
@ -1,9 +1,9 @@
|
||||
/*
|
||||
* axp20x.c - MFD core driver for the X-Powers AXP202 and AXP209
|
||||
* axp20x.c - MFD core driver for the X-Powers' Power Management ICs
|
||||
*
|
||||
* AXP20x comprises an adaptive USB-Compatible PWM charger, 2 BUCK DC-DC
|
||||
* converters, 5 LDOs, multiple 12-bit ADCs of voltage, current and temperature
|
||||
* as well as 4 configurable GPIOs.
|
||||
* AXP20x typically comprises an adaptive USB-Compatible PWM charger, BUCK DC-DC
|
||||
* converters, LDOs, multiple 12-bit ADCs of voltage, current and temperature
|
||||
* as well as configurable GPIOs.
|
||||
*
|
||||
* Author: Carlo Caione <carlo@caione.org>
|
||||
*
|
||||
@ -25,9 +25,16 @@
|
||||
#include <linux/mfd/core.h>
|
||||
#include <linux/of_device.h>
|
||||
#include <linux/of_irq.h>
|
||||
#include <linux/acpi.h>
|
||||
|
||||
#define AXP20X_OFF 0x80
|
||||
|
||||
static const char const *axp20x_model_names[] = {
|
||||
"AXP202",
|
||||
"AXP209",
|
||||
"AXP288",
|
||||
};
|
||||
|
||||
static const struct regmap_range axp20x_writeable_ranges[] = {
|
||||
regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
|
||||
regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
|
||||
@ -47,6 +54,25 @@ static const struct regmap_access_table axp20x_volatile_table = {
|
||||
.n_yes_ranges = ARRAY_SIZE(axp20x_volatile_ranges),
|
||||
};
|
||||
|
||||
static const struct regmap_range axp288_writeable_ranges[] = {
|
||||
regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
|
||||
regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
|
||||
};
|
||||
|
||||
static const struct regmap_range axp288_volatile_ranges[] = {
|
||||
regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
|
||||
};
|
||||
|
||||
static const struct regmap_access_table axp288_writeable_table = {
|
||||
.yes_ranges = axp288_writeable_ranges,
|
||||
.n_yes_ranges = ARRAY_SIZE(axp288_writeable_ranges),
|
||||
};
|
||||
|
||||
static const struct regmap_access_table axp288_volatile_table = {
|
||||
.yes_ranges = axp288_volatile_ranges,
|
||||
.n_yes_ranges = ARRAY_SIZE(axp288_volatile_ranges),
|
||||
};
|
||||
|
||||
static struct resource axp20x_pek_resources[] = {
|
||||
{
|
||||
.name = "PEK_DBR",
|
||||
@ -61,6 +87,39 @@ static struct resource axp20x_pek_resources[] = {
|
||||
},
|
||||
};
|
||||
|
||||
static struct resource axp288_battery_resources[] = {
|
||||
{
|
||||
.start = AXP288_IRQ_QWBTU,
|
||||
.end = AXP288_IRQ_QWBTU,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_WBTU,
|
||||
.end = AXP288_IRQ_WBTU,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_QWBTO,
|
||||
.end = AXP288_IRQ_QWBTO,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_WBTO,
|
||||
.end = AXP288_IRQ_WBTO,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_WL2,
|
||||
.end = AXP288_IRQ_WL2,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_WL1,
|
||||
.end = AXP288_IRQ_WL1,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct regmap_config axp20x_regmap_config = {
|
||||
.reg_bits = 8,
|
||||
.val_bits = 8,
|
||||
@ -70,47 +129,96 @@ static const struct regmap_config axp20x_regmap_config = {
|
||||
.cache_type = REGCACHE_RBTREE,
|
||||
};
|
||||
|
||||
#define AXP20X_IRQ(_irq, _off, _mask) \
|
||||
[AXP20X_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
|
||||
static const struct regmap_config axp288_regmap_config = {
|
||||
.reg_bits = 8,
|
||||
.val_bits = 8,
|
||||
.wr_table = &axp288_writeable_table,
|
||||
.volatile_table = &axp288_volatile_table,
|
||||
.max_register = AXP288_FG_TUNE5,
|
||||
.cache_type = REGCACHE_RBTREE,
|
||||
};
|
||||
|
||||
#define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask) \
|
||||
[_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
|
||||
|
||||
static const struct regmap_irq axp20x_regmap_irqs[] = {
|
||||
AXP20X_IRQ(ACIN_OVER_V, 0, 7),
|
||||
AXP20X_IRQ(ACIN_PLUGIN, 0, 6),
|
||||
AXP20X_IRQ(ACIN_REMOVAL, 0, 5),
|
||||
AXP20X_IRQ(VBUS_OVER_V, 0, 4),
|
||||
AXP20X_IRQ(VBUS_PLUGIN, 0, 3),
|
||||
AXP20X_IRQ(VBUS_REMOVAL, 0, 2),
|
||||
AXP20X_IRQ(VBUS_V_LOW, 0, 1),
|
||||
AXP20X_IRQ(BATT_PLUGIN, 1, 7),
|
||||
AXP20X_IRQ(BATT_REMOVAL, 1, 6),
|
||||
AXP20X_IRQ(BATT_ENT_ACT_MODE, 1, 5),
|
||||
AXP20X_IRQ(BATT_EXIT_ACT_MODE, 1, 4),
|
||||
AXP20X_IRQ(CHARG, 1, 3),
|
||||
AXP20X_IRQ(CHARG_DONE, 1, 2),
|
||||
AXP20X_IRQ(BATT_TEMP_HIGH, 1, 1),
|
||||
AXP20X_IRQ(BATT_TEMP_LOW, 1, 0),
|
||||
AXP20X_IRQ(DIE_TEMP_HIGH, 2, 7),
|
||||
AXP20X_IRQ(CHARG_I_LOW, 2, 6),
|
||||
AXP20X_IRQ(DCDC1_V_LONG, 2, 5),
|
||||
AXP20X_IRQ(DCDC2_V_LONG, 2, 4),
|
||||
AXP20X_IRQ(DCDC3_V_LONG, 2, 3),
|
||||
AXP20X_IRQ(PEK_SHORT, 2, 1),
|
||||
AXP20X_IRQ(PEK_LONG, 2, 0),
|
||||
AXP20X_IRQ(N_OE_PWR_ON, 3, 7),
|
||||
AXP20X_IRQ(N_OE_PWR_OFF, 3, 6),
|
||||
AXP20X_IRQ(VBUS_VALID, 3, 5),
|
||||
AXP20X_IRQ(VBUS_NOT_VALID, 3, 4),
|
||||
AXP20X_IRQ(VBUS_SESS_VALID, 3, 3),
|
||||
AXP20X_IRQ(VBUS_SESS_END, 3, 2),
|
||||
AXP20X_IRQ(LOW_PWR_LVL1, 3, 1),
|
||||
AXP20X_IRQ(LOW_PWR_LVL2, 3, 0),
|
||||
AXP20X_IRQ(TIMER, 4, 7),
|
||||
AXP20X_IRQ(PEK_RIS_EDGE, 4, 6),
|
||||
AXP20X_IRQ(PEK_FAL_EDGE, 4, 5),
|
||||
AXP20X_IRQ(GPIO3_INPUT, 4, 3),
|
||||
AXP20X_IRQ(GPIO2_INPUT, 4, 2),
|
||||
AXP20X_IRQ(GPIO1_INPUT, 4, 1),
|
||||
AXP20X_IRQ(GPIO0_INPUT, 4, 0),
|
||||
INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V, 0, 7),
|
||||
INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN, 0, 6),
|
||||
INIT_REGMAP_IRQ(AXP20X, ACIN_REMOVAL, 0, 5),
|
||||
INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V, 0, 4),
|
||||
INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN, 0, 3),
|
||||
INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL, 0, 2),
|
||||
INIT_REGMAP_IRQ(AXP20X, VBUS_V_LOW, 0, 1),
|
||||
INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN, 1, 7),
|
||||
INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL, 1, 6),
|
||||
INIT_REGMAP_IRQ(AXP20X, BATT_ENT_ACT_MODE, 1, 5),
|
||||
INIT_REGMAP_IRQ(AXP20X, BATT_EXIT_ACT_MODE, 1, 4),
|
||||
INIT_REGMAP_IRQ(AXP20X, CHARG, 1, 3),
|
||||
INIT_REGMAP_IRQ(AXP20X, CHARG_DONE, 1, 2),
|
||||
INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_HIGH, 1, 1),
|
||||
INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_LOW, 1, 0),
|
||||
INIT_REGMAP_IRQ(AXP20X, DIE_TEMP_HIGH, 2, 7),
|
||||
INIT_REGMAP_IRQ(AXP20X, CHARG_I_LOW, 2, 6),
|
||||
INIT_REGMAP_IRQ(AXP20X, DCDC1_V_LONG, 2, 5),
|
||||
INIT_REGMAP_IRQ(AXP20X, DCDC2_V_LONG, 2, 4),
|
||||
INIT_REGMAP_IRQ(AXP20X, DCDC3_V_LONG, 2, 3),
|
||||
INIT_REGMAP_IRQ(AXP20X, PEK_SHORT, 2, 1),
|
||||
INIT_REGMAP_IRQ(AXP20X, PEK_LONG, 2, 0),
|
||||
INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_ON, 3, 7),
|
||||
INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_OFF, 3, 6),
|
||||
INIT_REGMAP_IRQ(AXP20X, VBUS_VALID, 3, 5),
|
||||
INIT_REGMAP_IRQ(AXP20X, VBUS_NOT_VALID, 3, 4),
|
||||
INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_VALID, 3, 3),
|
||||
INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_END, 3, 2),
|
||||
INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL1, 3, 1),
|
||||
INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL2, 3, 0),
|
||||
INIT_REGMAP_IRQ(AXP20X, TIMER, 4, 7),
|
||||
INIT_REGMAP_IRQ(AXP20X, PEK_RIS_EDGE, 4, 6),
|
||||
INIT_REGMAP_IRQ(AXP20X, PEK_FAL_EDGE, 4, 5),
|
||||
INIT_REGMAP_IRQ(AXP20X, GPIO3_INPUT, 4, 3),
|
||||
INIT_REGMAP_IRQ(AXP20X, GPIO2_INPUT, 4, 2),
|
||||
INIT_REGMAP_IRQ(AXP20X, GPIO1_INPUT, 4, 1),
|
||||
INIT_REGMAP_IRQ(AXP20X, GPIO0_INPUT, 4, 0),
|
||||
};
|
||||
|
||||
/* some IRQs are compatible with axp20x models */
|
||||
static const struct regmap_irq axp288_regmap_irqs[] = {
|
||||
INIT_REGMAP_IRQ(AXP288, VBUS_FALL, 0, 2),
|
||||
INIT_REGMAP_IRQ(AXP288, VBUS_RISE, 0, 3),
|
||||
INIT_REGMAP_IRQ(AXP288, OV, 0, 4),
|
||||
|
||||
INIT_REGMAP_IRQ(AXP288, DONE, 1, 2),
|
||||
INIT_REGMAP_IRQ(AXP288, CHARGING, 1, 3),
|
||||
INIT_REGMAP_IRQ(AXP288, SAFE_QUIT, 1, 4),
|
||||
INIT_REGMAP_IRQ(AXP288, SAFE_ENTER, 1, 5),
|
||||
INIT_REGMAP_IRQ(AXP288, ABSENT, 1, 6),
|
||||
INIT_REGMAP_IRQ(AXP288, APPEND, 1, 7),
|
||||
|
||||
INIT_REGMAP_IRQ(AXP288, QWBTU, 2, 0),
|
||||
INIT_REGMAP_IRQ(AXP288, WBTU, 2, 1),
|
||||
INIT_REGMAP_IRQ(AXP288, QWBTO, 2, 2),
|
||||
INIT_REGMAP_IRQ(AXP288, WBTO, 2, 3),
|
||||
INIT_REGMAP_IRQ(AXP288, QCBTU, 2, 4),
|
||||
INIT_REGMAP_IRQ(AXP288, CBTU, 2, 5),
|
||||
INIT_REGMAP_IRQ(AXP288, QCBTO, 2, 6),
|
||||
INIT_REGMAP_IRQ(AXP288, CBTO, 2, 7),
|
||||
|
||||
INIT_REGMAP_IRQ(AXP288, WL2, 3, 0),
|
||||
INIT_REGMAP_IRQ(AXP288, WL1, 3, 1),
|
||||
INIT_REGMAP_IRQ(AXP288, GPADC, 3, 2),
|
||||
INIT_REGMAP_IRQ(AXP288, OT, 3, 7),
|
||||
|
||||
INIT_REGMAP_IRQ(AXP288, GPIO0, 4, 0),
|
||||
INIT_REGMAP_IRQ(AXP288, GPIO1, 4, 1),
|
||||
INIT_REGMAP_IRQ(AXP288, POKO, 4, 2),
|
||||
INIT_REGMAP_IRQ(AXP288, POKL, 4, 3),
|
||||
INIT_REGMAP_IRQ(AXP288, POKS, 4, 4),
|
||||
INIT_REGMAP_IRQ(AXP288, POKN, 4, 5),
|
||||
INIT_REGMAP_IRQ(AXP288, POKP, 4, 6),
|
||||
INIT_REGMAP_IRQ(AXP288, TIMER, 4, 7),
|
||||
|
||||
INIT_REGMAP_IRQ(AXP288, MV_CHNG, 5, 0),
|
||||
INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG, 5, 1),
|
||||
};
|
||||
|
||||
static const struct of_device_id axp20x_of_match[] = {
|
||||
@ -128,16 +236,39 @@ static const struct i2c_device_id axp20x_i2c_id[] = {
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, axp20x_i2c_id);
|
||||
|
||||
static struct acpi_device_id axp20x_acpi_match[] = {
|
||||
{
|
||||
.id = "INT33F4",
|
||||
.driver_data = AXP288_ID,
|
||||
},
|
||||
{ },
|
||||
};
|
||||
MODULE_DEVICE_TABLE(acpi, axp20x_acpi_match);
|
||||
|
||||
static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
|
||||
.name = "axp20x_irq_chip",
|
||||
.status_base = AXP20X_IRQ1_STATE,
|
||||
.ack_base = AXP20X_IRQ1_STATE,
|
||||
.mask_base = AXP20X_IRQ1_EN,
|
||||
.num_regs = 5,
|
||||
.irqs = axp20x_regmap_irqs,
|
||||
.num_irqs = ARRAY_SIZE(axp20x_regmap_irqs),
|
||||
.mask_invert = true,
|
||||
.init_ack_masked = true,
|
||||
.irqs = axp20x_regmap_irqs,
|
||||
.num_irqs = ARRAY_SIZE(axp20x_regmap_irqs),
|
||||
.num_regs = 5,
|
||||
|
||||
};
|
||||
|
||||
static const struct regmap_irq_chip axp288_regmap_irq_chip = {
|
||||
.name = "axp288_irq_chip",
|
||||
.status_base = AXP20X_IRQ1_STATE,
|
||||
.ack_base = AXP20X_IRQ1_STATE,
|
||||
.mask_base = AXP20X_IRQ1_EN,
|
||||
.mask_invert = true,
|
||||
.init_ack_masked = true,
|
||||
.irqs = axp288_regmap_irqs,
|
||||
.num_irqs = ARRAY_SIZE(axp288_regmap_irqs),
|
||||
.num_regs = 6,
|
||||
|
||||
};
|
||||
|
||||
static struct mfd_cell axp20x_cells[] = {
|
||||
@ -150,36 +281,155 @@ static struct mfd_cell axp20x_cells[] = {
|
||||
},
|
||||
};
|
||||
|
||||
static struct resource axp288_adc_resources[] = {
|
||||
{
|
||||
.name = "GPADC",
|
||||
.start = AXP288_IRQ_GPADC,
|
||||
.end = AXP288_IRQ_GPADC,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
};
|
||||
|
||||
static struct resource axp288_charger_resources[] = {
|
||||
{
|
||||
.start = AXP288_IRQ_OV,
|
||||
.end = AXP288_IRQ_OV,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_DONE,
|
||||
.end = AXP288_IRQ_DONE,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_CHARGING,
|
||||
.end = AXP288_IRQ_CHARGING,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_SAFE_QUIT,
|
||||
.end = AXP288_IRQ_SAFE_QUIT,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_SAFE_ENTER,
|
||||
.end = AXP288_IRQ_SAFE_ENTER,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_QCBTU,
|
||||
.end = AXP288_IRQ_QCBTU,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_CBTU,
|
||||
.end = AXP288_IRQ_CBTU,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_QCBTO,
|
||||
.end = AXP288_IRQ_QCBTO,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
{
|
||||
.start = AXP288_IRQ_CBTO,
|
||||
.end = AXP288_IRQ_CBTO,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
};
|
||||
|
||||
static struct mfd_cell axp288_cells[] = {
|
||||
{
|
||||
.name = "axp288_adc",
|
||||
.num_resources = ARRAY_SIZE(axp288_adc_resources),
|
||||
.resources = axp288_adc_resources,
|
||||
},
|
||||
{
|
||||
.name = "axp288_charger",
|
||||
.num_resources = ARRAY_SIZE(axp288_charger_resources),
|
||||
.resources = axp288_charger_resources,
|
||||
},
|
||||
{
|
||||
.name = "axp288_battery",
|
||||
.num_resources = ARRAY_SIZE(axp288_battery_resources),
|
||||
.resources = axp288_battery_resources,
|
||||
},
|
||||
};
|
||||
|
||||
static struct axp20x_dev *axp20x_pm_power_off;
|
||||
static void axp20x_power_off(void)
|
||||
{
|
||||
if (axp20x_pm_power_off->variant == AXP288_ID)
|
||||
return;
|
||||
|
||||
regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL,
|
||||
AXP20X_OFF);
|
||||
}
|
||||
|
||||
static int axp20x_match_device(struct axp20x_dev *axp20x, struct device *dev)
|
||||
{
|
||||
const struct acpi_device_id *acpi_id;
|
||||
const struct of_device_id *of_id;
|
||||
|
||||
if (dev->of_node) {
|
||||
of_id = of_match_device(axp20x_of_match, dev);
|
||||
if (!of_id) {
|
||||
dev_err(dev, "Unable to match OF ID\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
axp20x->variant = (long) of_id->data;
|
||||
} else {
|
||||
acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
|
||||
if (!acpi_id || !acpi_id->driver_data) {
|
||||
dev_err(dev, "Unable to match ACPI ID and data\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
axp20x->variant = (long) acpi_id->driver_data;
|
||||
}
|
||||
|
||||
switch (axp20x->variant) {
|
||||
case AXP202_ID:
|
||||
case AXP209_ID:
|
||||
axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
|
||||
axp20x->cells = axp20x_cells;
|
||||
axp20x->regmap_cfg = &axp20x_regmap_config;
|
||||
axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip;
|
||||
break;
|
||||
case AXP288_ID:
|
||||
axp20x->cells = axp288_cells;
|
||||
axp20x->nr_cells = ARRAY_SIZE(axp288_cells);
|
||||
axp20x->regmap_cfg = &axp288_regmap_config;
|
||||
axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
|
||||
break;
|
||||
default:
|
||||
dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant);
|
||||
return -EINVAL;
|
||||
}
|
||||
dev_info(dev, "AXP20x variant %s found\n",
|
||||
axp20x_model_names[axp20x->variant]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int axp20x_i2c_probe(struct i2c_client *i2c,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct axp20x_dev *axp20x;
|
||||
const struct of_device_id *of_id;
|
||||
int ret;
|
||||
|
||||
axp20x = devm_kzalloc(&i2c->dev, sizeof(*axp20x), GFP_KERNEL);
|
||||
if (!axp20x)
|
||||
return -ENOMEM;
|
||||
|
||||
of_id = of_match_device(axp20x_of_match, &i2c->dev);
|
||||
if (!of_id) {
|
||||
dev_err(&i2c->dev, "Unable to setup AXP20X data\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
axp20x->variant = (long) of_id->data;
|
||||
ret = axp20x_match_device(axp20x, &i2c->dev);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
axp20x->i2c_client = i2c;
|
||||
axp20x->dev = &i2c->dev;
|
||||
dev_set_drvdata(axp20x->dev, axp20x);
|
||||
|
||||
axp20x->regmap = devm_regmap_init_i2c(i2c, &axp20x_regmap_config);
|
||||
axp20x->regmap = devm_regmap_init_i2c(i2c, axp20x->regmap_cfg);
|
||||
if (IS_ERR(axp20x->regmap)) {
|
||||
ret = PTR_ERR(axp20x->regmap);
|
||||
dev_err(&i2c->dev, "regmap init failed: %d\n", ret);
|
||||
@ -188,15 +438,15 @@ static int axp20x_i2c_probe(struct i2c_client *i2c,
|
||||
|
||||
ret = regmap_add_irq_chip(axp20x->regmap, i2c->irq,
|
||||
IRQF_ONESHOT | IRQF_SHARED, -1,
|
||||
&axp20x_regmap_irq_chip,
|
||||
axp20x->regmap_irq_chip,
|
||||
&axp20x->regmap_irqc);
|
||||
if (ret) {
|
||||
dev_err(&i2c->dev, "failed to add irq chip: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = mfd_add_devices(axp20x->dev, -1, axp20x_cells,
|
||||
ARRAY_SIZE(axp20x_cells), NULL, 0, NULL);
|
||||
ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells,
|
||||
axp20x->nr_cells, NULL, 0, NULL);
|
||||
|
||||
if (ret) {
|
||||
dev_err(&i2c->dev, "failed to add MFD devices: %d\n", ret);
|
||||
@ -234,6 +484,7 @@ static struct i2c_driver axp20x_i2c_driver = {
|
||||
.name = "axp20x",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = of_match_ptr(axp20x_of_match),
|
||||
.acpi_match_table = ACPI_PTR(axp20x_acpi_match),
|
||||
},
|
||||
.probe = axp20x_i2c_probe,
|
||||
.remove = axp20x_i2c_remove,
|
||||
|
||||
@ -14,6 +14,8 @@
|
||||
enum {
|
||||
AXP202_ID = 0,
|
||||
AXP209_ID,
|
||||
AXP288_ID,
|
||||
NR_AXP20X_VARIANTS,
|
||||
};
|
||||
|
||||
#define AXP20X_DATACACHE(m) (0x04 + (m))
|
||||
@ -49,11 +51,13 @@ enum {
|
||||
#define AXP20X_IRQ3_EN 0x42
|
||||
#define AXP20X_IRQ4_EN 0x43
|
||||
#define AXP20X_IRQ5_EN 0x44
|
||||
#define AXP20X_IRQ6_EN 0x45
|
||||
#define AXP20X_IRQ1_STATE 0x48
|
||||
#define AXP20X_IRQ2_STATE 0x49
|
||||
#define AXP20X_IRQ3_STATE 0x4a
|
||||
#define AXP20X_IRQ4_STATE 0x4b
|
||||
#define AXP20X_IRQ5_STATE 0x4c
|
||||
#define AXP20X_IRQ6_STATE 0x4d
|
||||
|
||||
/* ADC */
|
||||
#define AXP20X_ACIN_V_ADC_H 0x56
|
||||
@ -116,6 +120,15 @@ enum {
|
||||
#define AXP20X_CC_CTRL 0xb8
|
||||
#define AXP20X_FG_RES 0xb9
|
||||
|
||||
/* AXP288 specific registers */
|
||||
#define AXP288_PMIC_ADC_H 0x56
|
||||
#define AXP288_PMIC_ADC_L 0x57
|
||||
#define AXP288_ADC_TS_PIN_CTRL 0x84
|
||||
|
||||
#define AXP288_PMIC_ADC_EN 0x84
|
||||
#define AXP288_FG_TUNE5 0xed
|
||||
|
||||
|
||||
/* Regulators IDs */
|
||||
enum {
|
||||
AXP20X_LDO1 = 0,
|
||||
@ -169,12 +182,58 @@ enum {
|
||||
AXP20X_IRQ_GPIO0_INPUT,
|
||||
};
|
||||
|
||||
enum axp288_irqs {
|
||||
AXP288_IRQ_VBUS_FALL = 2,
|
||||
AXP288_IRQ_VBUS_RISE,
|
||||
AXP288_IRQ_OV,
|
||||
AXP288_IRQ_FALLING_ALT,
|
||||
AXP288_IRQ_RISING_ALT,
|
||||
AXP288_IRQ_OV_ALT,
|
||||
AXP288_IRQ_DONE = 10,
|
||||
AXP288_IRQ_CHARGING,
|
||||
AXP288_IRQ_SAFE_QUIT,
|
||||
AXP288_IRQ_SAFE_ENTER,
|
||||
AXP288_IRQ_ABSENT,
|
||||
AXP288_IRQ_APPEND,
|
||||
AXP288_IRQ_QWBTU,
|
||||
AXP288_IRQ_WBTU,
|
||||
AXP288_IRQ_QWBTO,
|
||||
AXP288_IRQ_WBTO,
|
||||
AXP288_IRQ_QCBTU,
|
||||
AXP288_IRQ_CBTU,
|
||||
AXP288_IRQ_QCBTO,
|
||||
AXP288_IRQ_CBTO,
|
||||
AXP288_IRQ_WL2,
|
||||
AXP288_IRQ_WL1,
|
||||
AXP288_IRQ_GPADC,
|
||||
AXP288_IRQ_OT = 31,
|
||||
AXP288_IRQ_GPIO0,
|
||||
AXP288_IRQ_GPIO1,
|
||||
AXP288_IRQ_POKO,
|
||||
AXP288_IRQ_POKL,
|
||||
AXP288_IRQ_POKS,
|
||||
AXP288_IRQ_POKN,
|
||||
AXP288_IRQ_POKP,
|
||||
AXP288_IRQ_TIMER,
|
||||
AXP288_IRQ_MV_CHNG,
|
||||
AXP288_IRQ_BC_USB_CHNG,
|
||||
};
|
||||
|
||||
#define AXP288_TS_ADC_H 0x58
|
||||
#define AXP288_TS_ADC_L 0x59
|
||||
#define AXP288_GP_ADC_H 0x5a
|
||||
#define AXP288_GP_ADC_L 0x5b
|
||||
|
||||
struct axp20x_dev {
|
||||
struct device *dev;
|
||||
struct i2c_client *i2c_client;
|
||||
struct regmap *regmap;
|
||||
struct regmap_irq_chip_data *regmap_irqc;
|
||||
long variant;
|
||||
int nr_cells;
|
||||
struct mfd_cell *cells;
|
||||
const struct regmap_config *regmap_cfg;
|
||||
const struct regmap_irq_chip *regmap_irq_chip;
|
||||
};
|
||||
|
||||
#endif /* __LINUX_MFD_AXP20X_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user