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
30 static const struct mtk_gate_regs audio0_cg_regs = {
31 .set_ofs = 0x0,
32 .clr_ofs = 0x0,
33 .sta_ofs = 0x0,
34 };
35
36 static const struct mtk_gate_regs audio1_cg_regs = {
37 .set_ofs = 0x10,
38 .clr_ofs = 0x10,
39 .sta_ofs = 0x10,
40 };
41
42 static const struct mtk_gate_regs audio2_cg_regs = {
43 .set_ofs = 0x14,
44 .clr_ofs = 0x14,
45 .sta_ofs = 0x14,
46 };
47
48 static const struct mtk_gate_regs audio3_cg_regs = {
49 .set_ofs = 0x634,
50 .clr_ofs = 0x634,
51 .sta_ofs = 0x634,
52 };
53
54 static 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
118 static const struct mtk_clk_desc audio_desc = {
119 .clks = audio_clks,
120 .num_clks = ARRAY_SIZE(audio_clks),
121 };
122
123 static const struct of_device_id of_match_clk_mt2701_aud[] = {
124 { .compatible = "mediatek,mt2701-audsys", .data = &audio_desc },
125 { /* sentinel */ }
126 };
127 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_aud);
128
clk_mt2701_aud_probe(struct platform_device * pdev)129 static 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
148 err_plat_populate:
149 mtk_clk_simple_remove(pdev);
150 return r;
151 }
152
clk_mt2701_aud_remove(struct platform_device * pdev)153 static void clk_mt2701_aud_remove(struct platform_device *pdev)
154 {
155 of_platform_depopulate(&pdev->dev);
156 mtk_clk_simple_remove(pdev);
157 }
158
159 static struct platform_driver clk_mt2701_aud_drv = {
160 .probe = clk_mt2701_aud_probe,
161 .remove = clk_mt2701_aud_remove,
162 .driver = {
163 .name = "clk-mt2701-aud",
164 .of_match_table = of_match_clk_mt2701_aud,
165 },
166 };
167 module_platform_driver(clk_mt2701_aud_drv);
168
169 MODULE_DESCRIPTION("MediaTek MT2701 audio clocks driver");
170 MODULE_LICENSE("GPL");
171