blob: 059656f2a1bd698c3a7f463cc34463fdec15caf8 [file] [log] [blame]
Thomas Gleixnerd2912cb2019-06-04 10:11:33 +02001// SPDX-License-Identifier: GPL-2.0-only
Chen-Yu Tsai02071f02016-02-12 10:02:44 +08002/*
3 * RSB driver for the X-Powers' Power Management ICs
4 *
5 * AXP20x typically comprises an adaptive USB-Compatible PWM charger, BUCK DC-DC
6 * converters, LDOs, multiple 12-bit ADCs of voltage, current and temperature
7 * as well as configurable GPIOs.
8 *
9 * This driver supports the RSB variants.
10 *
11 * Copyright (C) 2015 Chen-Yu Tsai
12 *
13 * Author: Chen-Yu Tsai <wens@csie.org>
Chen-Yu Tsai02071f02016-02-12 10:02:44 +080014 */
15
16#include <linux/acpi.h>
17#include <linux/err.h>
18#include <linux/mfd/axp20x.h>
19#include <linux/module.h>
20#include <linux/of.h>
21#include <linux/regmap.h>
22#include <linux/slab.h>
23#include <linux/sunxi-rsb.h>
24
25static int axp20x_rsb_probe(struct sunxi_rsb_device *rdev)
26{
27 struct axp20x_dev *axp20x;
28 int ret;
29
30 axp20x = devm_kzalloc(&rdev->dev, sizeof(*axp20x), GFP_KERNEL);
31 if (!axp20x)
32 return -ENOMEM;
33
34 axp20x->dev = &rdev->dev;
35 axp20x->irq = rdev->irq;
36 dev_set_drvdata(&rdev->dev, axp20x);
37
38 ret = axp20x_match_device(axp20x);
39 if (ret)
40 return ret;
41
42 axp20x->regmap = devm_regmap_init_sunxi_rsb(rdev, axp20x->regmap_cfg);
43 if (IS_ERR(axp20x->regmap)) {
44 ret = PTR_ERR(axp20x->regmap);
45 dev_err(&rdev->dev, "regmap init failed: %d\n", ret);
46 return ret;
47 }
48
49 return axp20x_device_probe(axp20x);
50}
51
Uwe Kleine-König3c15e002020-11-26 11:41:42 +010052static void axp20x_rsb_remove(struct sunxi_rsb_device *rdev)
Chen-Yu Tsai02071f02016-02-12 10:02:44 +080053{
54 struct axp20x_dev *axp20x = sunxi_rsb_device_get_drvdata(rdev);
55
Uwe Kleine-König3c15e002020-11-26 11:41:42 +010056 axp20x_device_remove(axp20x);
Chen-Yu Tsai02071f02016-02-12 10:02:44 +080057}
58
59static const struct of_device_id axp20x_rsb_of_match[] = {
60 { .compatible = "x-powers,axp223", .data = (void *)AXP223_ID },
Andre Przywarab5bfc8a2024-03-10 01:02:10 +000061 { .compatible = "x-powers,axp717", .data = (void *)AXP717_ID },
Icenowy Zheng15783532017-04-17 19:57:40 +080062 { .compatible = "x-powers,axp803", .data = (void *)AXP803_ID },
Chen-Yu Tsai8824ee82016-08-27 15:55:38 +080063 { .compatible = "x-powers,axp806", .data = (void *)AXP806_ID },
Chen-Yu Tsai20147f02016-03-29 17:22:26 +080064 { .compatible = "x-powers,axp809", .data = (void *)AXP809_ID },
Chen-Yu Tsai73037332017-07-26 16:28:26 +080065 { .compatible = "x-powers,axp813", .data = (void *)AXP813_ID },
Chen-Yu Tsai02071f02016-02-12 10:02:44 +080066 { },
67};
68MODULE_DEVICE_TABLE(of, axp20x_rsb_of_match);
69
70static struct sunxi_rsb_driver axp20x_rsb_driver = {
71 .driver = {
72 .name = "axp20x-rsb",
73 .of_match_table = of_match_ptr(axp20x_rsb_of_match),
74 },
75 .probe = axp20x_rsb_probe,
76 .remove = axp20x_rsb_remove,
77};
78module_sunxi_rsb_driver(axp20x_rsb_driver);
79
80MODULE_DESCRIPTION("PMIC MFD sunXi RSB driver for AXP20X");
81MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
82MODULE_LICENSE("GPL v2");