From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/mfd/axp20x-i2c.c | 117 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 drivers/mfd/axp20x-i2c.c (limited to 'drivers/mfd/axp20x-i2c.c') diff --git a/drivers/mfd/axp20x-i2c.c b/drivers/mfd/axp20x-i2c.c new file mode 100644 index 0000000000..68d3560cfe --- /dev/null +++ b/drivers/mfd/axp20x-i2c.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * I2C driver for the X-Powers' Power Management ICs + * + * 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. + * + * This driver supports the I2C variants. + * + * Copyright (C) 2014 Carlo Caione + * + * Author: Carlo Caione + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +static int axp20x_i2c_probe(struct i2c_client *i2c) +{ + struct axp20x_dev *axp20x; + int ret; + + axp20x = devm_kzalloc(&i2c->dev, sizeof(*axp20x), GFP_KERNEL); + if (!axp20x) + return -ENOMEM; + + axp20x->dev = &i2c->dev; + axp20x->irq = i2c->irq; + dev_set_drvdata(axp20x->dev, axp20x); + + ret = axp20x_match_device(axp20x); + if (ret) + return ret; + + 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); + return ret; + } + + return axp20x_device_probe(axp20x); +} + +static void axp20x_i2c_remove(struct i2c_client *i2c) +{ + struct axp20x_dev *axp20x = i2c_get_clientdata(i2c); + + axp20x_device_remove(axp20x); +} + +#ifdef CONFIG_OF +static const struct of_device_id axp20x_i2c_of_match[] = { + { .compatible = "x-powers,axp152", .data = (void *)AXP152_ID }, + { .compatible = "x-powers,axp192", .data = (void *)AXP192_ID }, + { .compatible = "x-powers,axp202", .data = (void *)AXP202_ID }, + { .compatible = "x-powers,axp209", .data = (void *)AXP209_ID }, + { .compatible = "x-powers,axp221", .data = (void *)AXP221_ID }, + { .compatible = "x-powers,axp223", .data = (void *)AXP223_ID }, + { .compatible = "x-powers,axp313a", .data = (void *)AXP313A_ID }, + { .compatible = "x-powers,axp803", .data = (void *)AXP803_ID }, + { .compatible = "x-powers,axp806", .data = (void *)AXP806_ID }, + { .compatible = "x-powers,axp15060", .data = (void *)AXP15060_ID }, + { }, +}; +MODULE_DEVICE_TABLE(of, axp20x_i2c_of_match); +#endif + +static const struct i2c_device_id axp20x_i2c_id[] = { + { "axp152", 0 }, + { "axp192", 0 }, + { "axp202", 0 }, + { "axp209", 0 }, + { "axp221", 0 }, + { "axp223", 0 }, + { "axp313a", 0 }, + { "axp803", 0 }, + { "axp806", 0 }, + { "axp15060", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, axp20x_i2c_id); + +#ifdef CONFIG_ACPI +static const struct acpi_device_id axp20x_i2c_acpi_match[] = { + { + .id = "INT33F4", + .driver_data = AXP288_ID, + }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, axp20x_i2c_acpi_match); +#endif + +static struct i2c_driver axp20x_i2c_driver = { + .driver = { + .name = "axp20x-i2c", + .of_match_table = of_match_ptr(axp20x_i2c_of_match), + .acpi_match_table = ACPI_PTR(axp20x_i2c_acpi_match), + }, + .probe = axp20x_i2c_probe, + .remove = axp20x_i2c_remove, + .id_table = axp20x_i2c_id, +}; + +module_i2c_driver(axp20x_i2c_driver); + +MODULE_DESCRIPTION("PMIC MFD I2C driver for AXP20X"); +MODULE_AUTHOR("Carlo Caione "); +MODULE_LICENSE("GPL"); -- cgit v1.2.3