1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2018 MediaTek Inc.
4 * Author: Ryder Lee <ryder.lee@mediatek.com>
5 */
6
7#include <linux/clk-provider.h>
8#include <linux/of.h>
9#include <linux/of_address.h>
10#include <linux/of_platform.h>
11#include <linux/platform_device.h>
12
13#include "clk-mtk.h"
14#include "clk-gate.h"
15
16#include <dt-bindings/clock/mt2701-clk.h>
17
18#define GATE_AUDIO0(_id, _name, _parent, _shift)		\
19	GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
20
21#define GATE_AUDIO1(_id, _name, _parent, _shift)		\
22	GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
23
24#define GATE_AUDIO2(_id, _name, _parent, _shift)		\
25	GATE_MTK(_id, _name, _parent, &audio2_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
26
27#define GATE_AUDIO3(_id, _name, _parent, _shift)		\
28	GATE_MTK(_id, _name, _parent, &audio3_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
29
30static const struct mtk_gate_regs audio0_cg_regs = {
31	.set_ofs = 0x0,
32	.clr_ofs = 0x0,
33	.sta_ofs = 0x0,
34};
35
36static const struct mtk_gate_regs audio1_cg_regs = {
37	.set_ofs = 0x10,
38	.clr_ofs = 0x10,
39	.sta_ofs = 0x10,
40};
41
42static const struct mtk_gate_regs audio2_cg_regs = {
43	.set_ofs = 0x14,
44	.clr_ofs = 0x14,
45	.sta_ofs = 0x14,
46};
47
48static const struct mtk_gate_regs audio3_cg_regs = {
49	.set_ofs = 0x634,
50	.clr_ofs = 0x634,
51	.sta_ofs = 0x634,
52};
53
54static const struct mtk_gate audio_clks[] = {
55	GATE_DUMMY(CLK_DUMMY, "aud_dummy"),
56	/* AUDIO0 */
57	GATE_AUDIO0(CLK_AUD_AFE, "audio_afe", "aud_intbus_sel", 2),
58	GATE_AUDIO0(CLK_AUD_HDMI, "audio_hdmi", "audpll_sel", 20),
59	GATE_AUDIO0(CLK_AUD_SPDF, "audio_spdf", "audpll_sel", 21),
60	GATE_AUDIO0(CLK_AUD_SPDF2, "audio_spdf2", "audpll_sel", 22),
61	GATE_AUDIO0(CLK_AUD_APLL, "audio_apll", "audpll_sel", 23),
62	/* AUDIO1 */
63	GATE_AUDIO1(CLK_AUD_I2SIN1, "audio_i2sin1", "aud_mux1_sel", 0),
64	GATE_AUDIO1(CLK_AUD_I2SIN2, "audio_i2sin2", "aud_mux1_sel", 1),
65	GATE_AUDIO1(CLK_AUD_I2SIN3, "audio_i2sin3", "aud_mux1_sel", 2),
66	GATE_AUDIO1(CLK_AUD_I2SIN4, "audio_i2sin4", "aud_mux1_sel", 3),
67	GATE_AUDIO1(CLK_AUD_I2SIN5, "audio_i2sin5", "aud_mux1_sel", 4),
68	GATE_AUDIO1(CLK_AUD_I2SIN6, "audio_i2sin6", "aud_mux1_sel", 5),
69	GATE_AUDIO1(CLK_AUD_I2SO1, "audio_i2so1", "aud_mux1_sel", 6),
70	GATE_AUDIO1(CLK_AUD_I2SO2, "audio_i2so2", "aud_mux1_sel", 7),
71	GATE_AUDIO1(CLK_AUD_I2SO3, "audio_i2so3", "aud_mux1_sel", 8),
72	GATE_AUDIO1(CLK_AUD_I2SO4, "audio_i2so4", "aud_mux1_sel", 9),
73	GATE_AUDIO1(CLK_AUD_I2SO5, "audio_i2so5", "aud_mux1_sel", 10),
74	GATE_AUDIO1(CLK_AUD_I2SO6, "audio_i2so6", "aud_mux1_sel", 11),
75	GATE_AUDIO1(CLK_AUD_ASRCI1, "audio_asrci1", "asm_h_sel", 12),
76	GATE_AUDIO1(CLK_AUD_ASRCI2, "audio_asrci2", "asm_h_sel", 13),
77	GATE_AUDIO1(CLK_AUD_ASRCO1, "audio_asrco1", "asm_h_sel", 14),
78	GATE_AUDIO1(CLK_AUD_ASRCO2, "audio_asrco2", "asm_h_sel", 15),
79	GATE_AUDIO1(CLK_AUD_INTDIR, "audio_intdir", "intdir_sel", 20),
80	GATE_AUDIO1(CLK_AUD_A1SYS, "audio_a1sys", "aud_mux1_sel", 21),
81	GATE_AUDIO1(CLK_AUD_A2SYS, "audio_a2sys", "aud_mux2_sel", 22),
82	GATE_AUDIO1(CLK_AUD_AFE_CONN, "audio_afe_conn", "aud_mux1_sel", 23),
83	GATE_AUDIO1(CLK_AUD_AFE_MRGIF, "audio_afe_mrgif", "aud_mux1_sel", 25),
84	/* AUDIO2 */
85	GATE_AUDIO2(CLK_AUD_MMIF_UL1, "audio_ul1", "aud_mux1_sel", 0),
86	GATE_AUDIO2(CLK_AUD_MMIF_UL2, "audio_ul2", "aud_mux1_sel", 1),
87	GATE_AUDIO2(CLK_AUD_MMIF_UL3, "audio_ul3", "aud_mux1_sel", 2),
88	GATE_AUDIO2(CLK_AUD_MMIF_UL4, "audio_ul4", "aud_mux1_sel", 3),
89	GATE_AUDIO2(CLK_AUD_MMIF_UL5, "audio_ul5", "aud_mux1_sel", 4),
90	GATE_AUDIO2(CLK_AUD_MMIF_UL6, "audio_ul6", "aud_mux1_sel", 5),
91	GATE_AUDIO2(CLK_AUD_MMIF_DL1, "audio_dl1", "aud_mux1_sel", 6),
92	GATE_AUDIO2(CLK_AUD_MMIF_DL2, "audio_dl2", "aud_mux1_sel", 7),
93	GATE_AUDIO2(CLK_AUD_MMIF_DL3, "audio_dl3", "aud_mux1_sel", 8),
94	GATE_AUDIO2(CLK_AUD_MMIF_DL4, "audio_dl4", "aud_mux1_sel", 9),
95	GATE_AUDIO2(CLK_AUD_MMIF_DL5, "audio_dl5", "aud_mux1_sel", 10),
96	GATE_AUDIO2(CLK_AUD_MMIF_DL6, "audio_dl6", "aud_mux1_sel", 11),
97	GATE_AUDIO2(CLK_AUD_MMIF_DLMCH, "audio_dlmch", "aud_mux1_sel", 12),
98	GATE_AUDIO2(CLK_AUD_MMIF_ARB1, "audio_arb1", "aud_mux1_sel", 13),
99	GATE_AUDIO2(CLK_AUD_MMIF_AWB1, "audio_awb", "aud_mux1_sel", 14),
100	GATE_AUDIO2(CLK_AUD_MMIF_AWB2, "audio_awb2", "aud_mux1_sel", 15),
101	GATE_AUDIO2(CLK_AUD_MMIF_DAI, "audio_dai", "aud_mux1_sel", 16),
102	/* AUDIO3 */
103	GATE_AUDIO3(CLK_AUD_ASRCI3, "audio_asrci3", "asm_h_sel", 2),
104	GATE_AUDIO3(CLK_AUD_ASRCI4, "audio_asrci4", "asm_h_sel", 3),
105	GATE_AUDIO3(CLK_AUD_ASRCI5, "audio_asrci5", "asm_h_sel", 4),
106	GATE_AUDIO3(CLK_AUD_ASRCI6, "audio_asrci6", "asm_h_sel", 5),
107	GATE_AUDIO3(CLK_AUD_ASRCO3, "audio_asrco3", "asm_h_sel", 6),
108	GATE_AUDIO3(CLK_AUD_ASRCO4, "audio_asrco4", "asm_h_sel", 7),
109	GATE_AUDIO3(CLK_AUD_ASRCO5, "audio_asrco5", "asm_h_sel", 8),
110	GATE_AUDIO3(CLK_AUD_ASRCO6, "audio_asrco6", "asm_h_sel", 9),
111	GATE_AUDIO3(CLK_AUD_MEM_ASRC1, "audio_mem_asrc1", "asm_h_sel", 10),
112	GATE_AUDIO3(CLK_AUD_MEM_ASRC2, "audio_mem_asrc2", "asm_h_sel", 11),
113	GATE_AUDIO3(CLK_AUD_MEM_ASRC3, "audio_mem_asrc3", "asm_h_sel", 12),
114	GATE_AUDIO3(CLK_AUD_MEM_ASRC4, "audio_mem_asrc4", "asm_h_sel", 13),
115	GATE_AUDIO3(CLK_AUD_MEM_ASRC5, "audio_mem_asrc5", "asm_h_sel", 14),
116};
117
118static const struct mtk_clk_desc audio_desc = {
119	.clks = audio_clks,
120	.num_clks = ARRAY_SIZE(audio_clks),
121};
122
123static const struct of_device_id of_match_clk_mt2701_aud[] = {
124	{ .compatible = "mediatek,mt2701-audsys", .data = &audio_desc },
125	{ /* sentinel */ }
126};
127MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_aud);
128
129static int clk_mt2701_aud_probe(struct platform_device *pdev)
130{
131	int r;
132
133	r = mtk_clk_simple_probe(pdev);
134	if (r) {
135		dev_err(&pdev->dev,
136			"could not register clock provider: %s: %d\n",
137			pdev->name, r);
138
139		return r;
140	}
141
142	r = devm_of_platform_populate(&pdev->dev);
143	if (r)
144		goto err_plat_populate;
145
146	return 0;
147
148err_plat_populate:
149	mtk_clk_simple_remove(pdev);
150	return r;
151}
152
153static void clk_mt2701_aud_remove(struct platform_device *pdev)
154{
155	of_platform_depopulate(&pdev->dev);
156	mtk_clk_simple_remove(pdev);
157}
158
159static struct platform_driver clk_mt2701_aud_drv = {
160	.probe = clk_mt2701_aud_probe,
161	.remove_new = clk_mt2701_aud_remove,
162	.driver = {
163		.name = "clk-mt2701-aud",
164		.of_match_table = of_match_clk_mt2701_aud,
165	},
166};
167module_platform_driver(clk_mt2701_aud_drv);
168MODULE_LICENSE("GPL");
169