1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2022, Linaro Limited
4 */
5
6#include <linux/clk-provider.h>
7#include <linux/err.h>
8#include <linux/kernel.h>
9#include <linux/mod_devicetable.h>
10#include <linux/module.h>
11#include <linux/of.h>
12#include <linux/platform_device.h>
13#include <linux/regmap.h>
14
15#include <dt-bindings/clock/qcom,sc8280xp-lpasscc.h>
16
17#include "common.h"
18#include "reset.h"
19
20static const struct qcom_reset_map lpass_audiocc_sc8280xp_resets[] = {
21	[LPASS_AUDIO_SWR_RX_CGCR] =  { 0xa0, 1 },
22	[LPASS_AUDIO_SWR_WSA_CGCR] = { 0xb0, 1 },
23	[LPASS_AUDIO_SWR_WSA2_CGCR] =  { 0xd8, 1 },
24};
25
26static struct regmap_config lpass_audiocc_sc8280xp_regmap_config = {
27	.reg_bits = 32,
28	.reg_stride = 4,
29	.val_bits = 32,
30	.name = "lpass-audio-csr",
31	.max_register = 0x1000,
32};
33
34static const struct qcom_cc_desc lpass_audiocc_sc8280xp_reset_desc = {
35	.config = &lpass_audiocc_sc8280xp_regmap_config,
36	.resets = lpass_audiocc_sc8280xp_resets,
37	.num_resets = ARRAY_SIZE(lpass_audiocc_sc8280xp_resets),
38};
39
40static const struct qcom_reset_map lpasscc_sc8280xp_resets[] = {
41	[LPASS_AUDIO_SWR_TX_CGCR] = { 0xc010, 1 },
42};
43
44static struct regmap_config lpasscc_sc8280xp_regmap_config = {
45	.reg_bits = 32,
46	.reg_stride = 4,
47	.val_bits = 32,
48	.name = "lpass-tcsr",
49	.max_register = 0x12000,
50};
51
52static const struct qcom_cc_desc lpasscc_sc8280xp_reset_desc = {
53	.config = &lpasscc_sc8280xp_regmap_config,
54	.resets = lpasscc_sc8280xp_resets,
55	.num_resets = ARRAY_SIZE(lpasscc_sc8280xp_resets),
56};
57
58static const struct of_device_id lpasscc_sc8280xp_match_table[] = {
59	{
60		.compatible = "qcom,sc8280xp-lpassaudiocc",
61		.data = &lpass_audiocc_sc8280xp_reset_desc,
62	}, {
63		.compatible = "qcom,sc8280xp-lpasscc",
64		.data = &lpasscc_sc8280xp_reset_desc,
65	},
66	{ }
67};
68MODULE_DEVICE_TABLE(of, lpasscc_sc8280xp_match_table);
69
70static int lpasscc_sc8280xp_probe(struct platform_device *pdev)
71{
72	const struct qcom_cc_desc *desc = of_device_get_match_data(&pdev->dev);
73
74	return qcom_cc_probe_by_index(pdev, 0, desc);
75}
76
77static struct platform_driver lpasscc_sc8280xp_driver = {
78	.probe = lpasscc_sc8280xp_probe,
79	.driver = {
80		.name = "lpasscc-sc8280xp",
81		.of_match_table = lpasscc_sc8280xp_match_table,
82	},
83};
84
85module_platform_driver(lpasscc_sc8280xp_driver);
86
87MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
88MODULE_DESCRIPTION("QTI LPASSCC SC8280XP Driver");
89MODULE_LICENSE("GPL");
90