| /* |
| * RSB 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 RSB variants. |
| * |
| * Copyright (C) 2015 Chen-Yu Tsai |
| * |
| * Author: Chen-Yu Tsai <wens@csie.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/acpi.h> |
| #include <linux/err.h> |
| #include <linux/mfd/axp20x.h> |
| #include <linux/module.h> |
| #include <linux/of.h> |
| #include <linux/regmap.h> |
| #include <linux/slab.h> |
| #include <linux/sunxi-rsb.h> |
| |
| static int axp20x_rsb_probe(struct sunxi_rsb_device *rdev) |
| { |
| struct axp20x_dev *axp20x; |
| int ret; |
| |
| axp20x = devm_kzalloc(&rdev->dev, sizeof(*axp20x), GFP_KERNEL); |
| if (!axp20x) |
| return -ENOMEM; |
| |
| axp20x->dev = &rdev->dev; |
| axp20x->irq = rdev->irq; |
| dev_set_drvdata(&rdev->dev, axp20x); |
| |
| ret = axp20x_match_device(axp20x); |
| if (ret) |
| return ret; |
| |
| axp20x->regmap = devm_regmap_init_sunxi_rsb(rdev, axp20x->regmap_cfg); |
| if (IS_ERR(axp20x->regmap)) { |
| ret = PTR_ERR(axp20x->regmap); |
| dev_err(&rdev->dev, "regmap init failed: %d\n", ret); |
| return ret; |
| } |
| |
| return axp20x_device_probe(axp20x); |
| } |
| |
| static int axp20x_rsb_remove(struct sunxi_rsb_device *rdev) |
| { |
| struct axp20x_dev *axp20x = sunxi_rsb_device_get_drvdata(rdev); |
| |
| return axp20x_device_remove(axp20x); |
| } |
| |
| static const struct of_device_id axp20x_rsb_of_match[] = { |
| { .compatible = "x-powers,axp223", .data = (void *)AXP223_ID }, |
| { .compatible = "x-powers,axp803", .data = (void *)AXP803_ID }, |
| { .compatible = "x-powers,axp806", .data = (void *)AXP806_ID }, |
| { .compatible = "x-powers,axp809", .data = (void *)AXP809_ID }, |
| { }, |
| }; |
| MODULE_DEVICE_TABLE(of, axp20x_rsb_of_match); |
| |
| static struct sunxi_rsb_driver axp20x_rsb_driver = { |
| .driver = { |
| .name = "axp20x-rsb", |
| .of_match_table = of_match_ptr(axp20x_rsb_of_match), |
| }, |
| .probe = axp20x_rsb_probe, |
| .remove = axp20x_rsb_remove, |
| }; |
| module_sunxi_rsb_driver(axp20x_rsb_driver); |
| |
| MODULE_DESCRIPTION("PMIC MFD sunXi RSB driver for AXP20X"); |
| MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>"); |
| MODULE_LICENSE("GPL v2"); |