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81 lines
2.2 KiB
81 lines
2.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* RSB driver for the X-Powers' Power Management ICs |
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* |
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* AXP20x typically comprises an adaptive USB-Compatible PWM charger, BUCK DC-DC |
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* converters, LDOs, multiple 12-bit ADCs of voltage, current and temperature |
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* as well as configurable GPIOs. |
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* |
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* This driver supports the RSB variants. |
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* |
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* Copyright (C) 2015 Chen-Yu Tsai |
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* |
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* Author: Chen-Yu Tsai <[email protected]> |
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*/ |
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#include <linux/acpi.h> |
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#include <linux/err.h> |
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#include <linux/mfd/axp20x.h> |
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#include <linux/module.h> |
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#include <linux/of.h> |
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#include <linux/regmap.h> |
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#include <linux/slab.h> |
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#include <linux/sunxi-rsb.h> |
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static int axp20x_rsb_probe(struct sunxi_rsb_device *rdev) |
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{ |
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struct axp20x_dev *axp20x; |
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int ret; |
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axp20x = devm_kzalloc(&rdev->dev, sizeof(*axp20x), GFP_KERNEL); |
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if (!axp20x) |
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return -ENOMEM; |
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axp20x->dev = &rdev->dev; |
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axp20x->irq = rdev->irq; |
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dev_set_drvdata(&rdev->dev, axp20x); |
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ret = axp20x_match_device(axp20x); |
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if (ret) |
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return ret; |
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axp20x->regmap = devm_regmap_init_sunxi_rsb(rdev, axp20x->regmap_cfg); |
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if (IS_ERR(axp20x->regmap)) { |
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ret = PTR_ERR(axp20x->regmap); |
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dev_err(&rdev->dev, "regmap init failed: %d\n", ret); |
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return ret; |
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} |
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return axp20x_device_probe(axp20x); |
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} |
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static void axp20x_rsb_remove(struct sunxi_rsb_device *rdev) |
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{ |
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struct axp20x_dev *axp20x = sunxi_rsb_device_get_drvdata(rdev); |
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axp20x_device_remove(axp20x); |
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} |
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static const struct of_device_id axp20x_rsb_of_match[] = { |
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{ .compatible = "x-powers,axp223", .data = (void *)AXP223_ID }, |
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{ .compatible = "x-powers,axp803", .data = (void *)AXP803_ID }, |
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{ .compatible = "x-powers,axp806", .data = (void *)AXP806_ID }, |
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{ .compatible = "x-powers,axp809", .data = (void *)AXP809_ID }, |
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{ .compatible = "x-powers,axp813", .data = (void *)AXP813_ID }, |
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{ }, |
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}; |
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MODULE_DEVICE_TABLE(of, axp20x_rsb_of_match); |
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static struct sunxi_rsb_driver axp20x_rsb_driver = { |
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.driver = { |
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.name = "axp20x-rsb", |
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.of_match_table = of_match_ptr(axp20x_rsb_of_match), |
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}, |
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.probe = axp20x_rsb_probe, |
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.remove = axp20x_rsb_remove, |
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}; |
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module_sunxi_rsb_driver(axp20x_rsb_driver); |
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MODULE_DESCRIPTION("PMIC MFD sunXi RSB driver for AXP20X"); |
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MODULE_AUTHOR("Chen-Yu Tsai <[email protected]>"); |
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MODULE_LICENSE("GPL v2");
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