1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2018 MediaTek Inc.
4 * Author: Owen Chen <owen.chen@mediatek.com>
5 */
6
7#include <linux/clk-provider.h>
8#include <linux/platform_device.h>
9
10#include "clk-mtk.h"
11#include "clk-gate.h"
12
13#include <dt-bindings/clock/mt6765-clk.h>
14
15static const struct mtk_gate_regs audio0_cg_regs = {
16	.set_ofs = 0x0,
17	.clr_ofs = 0x0,
18	.sta_ofs = 0x0,
19};
20
21static const struct mtk_gate_regs audio1_cg_regs = {
22	.set_ofs = 0x4,
23	.clr_ofs = 0x4,
24	.sta_ofs = 0x4,
25};
26
27#define GATE_AUDIO0(_id, _name, _parent, _shift)		\
28	GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
29
30#define GATE_AUDIO1(_id, _name, _parent, _shift)		\
31	GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
32
33static const struct mtk_gate audio_clks[] = {
34	/* AUDIO0 */
35	GATE_AUDIO0(CLK_AUDIO_AFE, "aud_afe", "audio_ck", 2),
36	GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_engen1_ck", 8),
37	GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner",
38		    "aud_engen1_ck", 19),
39	GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_ck", 24),
40	GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_ck", 25),
41	GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis",
42		    "audio_ck", 26),
43	GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_ck", 27),
44	/* AUDIO1 */
45	GATE_AUDIO1(CLK_AUDIO_I2S1_BCLK, "aud_i2s1_bclk",
46		    "audio_ck", 4),
47	GATE_AUDIO1(CLK_AUDIO_I2S2_BCLK, "aud_i2s2_bclk",
48		    "audio_ck", 5),
49	GATE_AUDIO1(CLK_AUDIO_I2S3_BCLK, "aud_i2s3_bclk",
50		    "audio_ck", 6),
51	GATE_AUDIO1(CLK_AUDIO_I2S4_BCLK, "aud_i2s4_bclk",
52		    "audio_ck", 7),
53};
54
55static const struct mtk_clk_desc audio_desc = {
56	.clks = audio_clks,
57	.num_clks = ARRAY_SIZE(audio_clks),
58};
59
60static const struct of_device_id of_match_clk_mt6765_audio[] = {
61	{
62		.compatible = "mediatek,mt6765-audsys",
63		.data = &audio_desc,
64	}, {
65		/* sentinel */
66	}
67};
68MODULE_DEVICE_TABLE(of, of_match_clk_mt6765_audio);
69
70static struct platform_driver clk_mt6765_audio_drv = {
71	.probe = mtk_clk_simple_probe,
72	.remove_new = mtk_clk_simple_remove,
73	.driver = {
74		.name = "clk-mt6765-audio",
75		.of_match_table = of_match_clk_mt6765_audio,
76	},
77};
78module_platform_driver(clk_mt6765_audio_drv);
79MODULE_LICENSE("GPL");
80