1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Copyright (c) 2019 MediaTek Inc. |
4 | * Author: Wendell Lin <wendell.lin@mediatek.com> |
5 | */ |
6 | |
7 | #include <linux/module.h> |
8 | #include <linux/clk-provider.h> |
9 | #include <linux/mod_devicetable.h> |
10 | #include <linux/platform_device.h> |
11 | |
12 | #include "clk-mtk.h" |
13 | #include "clk-gate.h" |
14 | |
15 | #include <dt-bindings/clock/mt6779-clk.h> |
16 | |
17 | static const struct mtk_gate_regs audio0_cg_regs = { |
18 | .set_ofs = 0x0, |
19 | .clr_ofs = 0x0, |
20 | .sta_ofs = 0x0, |
21 | }; |
22 | |
23 | static const struct mtk_gate_regs audio1_cg_regs = { |
24 | .set_ofs = 0x4, |
25 | .clr_ofs = 0x4, |
26 | .sta_ofs = 0x4, |
27 | }; |
28 | |
29 | #define GATE_AUDIO0(_id, _name, _parent, _shift) \ |
30 | GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, \ |
31 | &mtk_clk_gate_ops_no_setclr) |
32 | #define GATE_AUDIO1(_id, _name, _parent, _shift) \ |
33 | GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, \ |
34 | &mtk_clk_gate_ops_no_setclr) |
35 | |
36 | static const struct mtk_gate audio_clks[] = { |
37 | /* AUDIO0 */ |
38 | GATE_AUDIO0(CLK_AUD_AFE, "aud_afe" , "audio_sel" , 2), |
39 | GATE_AUDIO0(CLK_AUD_22M, "aud_22m" , "aud_eng1_sel" , 8), |
40 | GATE_AUDIO0(CLK_AUD_24M, "aud_24m" , "aud_eng2_sel" , 9), |
41 | GATE_AUDIO0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner" , |
42 | "aud_eng2_sel" , 18), |
43 | GATE_AUDIO0(CLK_AUD_APLL_TUNER, "aud_apll_tuner" , |
44 | "aud_eng1_sel" , 19), |
45 | GATE_AUDIO0(CLK_AUD_TDM, "aud_tdm" , "aud_eng1_sel" , 20), |
46 | GATE_AUDIO0(CLK_AUD_ADC, "aud_adc" , "audio_sel" , 24), |
47 | GATE_AUDIO0(CLK_AUD_DAC, "aud_dac" , "audio_sel" , 25), |
48 | GATE_AUDIO0(CLK_AUD_DAC_PREDIS, "aud_dac_predis" , |
49 | "audio_sel" , 26), |
50 | GATE_AUDIO0(CLK_AUD_TML, "aud_tml" , "audio_sel" , 27), |
51 | GATE_AUDIO0(CLK_AUD_NLE, "aud_nle" , "audio_sel" , 28), |
52 | /* AUDIO1 */ |
53 | GATE_AUDIO1(CLK_AUD_I2S1_BCLK_SW, "aud_i2s1_bclk" , |
54 | "audio_sel" , 4), |
55 | GATE_AUDIO1(CLK_AUD_I2S2_BCLK_SW, "aud_i2s2_bclk" , |
56 | "audio_sel" , 5), |
57 | GATE_AUDIO1(CLK_AUD_I2S3_BCLK_SW, "aud_i2s3_bclk" , |
58 | "audio_sel" , 6), |
59 | GATE_AUDIO1(CLK_AUD_I2S4_BCLK_SW, "aud_i2s4_bclk" , |
60 | "audio_sel" , 7), |
61 | GATE_AUDIO1(CLK_AUD_I2S5_BCLK_SW, "aud_i2s5_bclk" , |
62 | "audio_sel" , 8), |
63 | GATE_AUDIO1(CLK_AUD_CONN_I2S_ASRC, "aud_conn_i2s" , |
64 | "audio_sel" , 12), |
65 | GATE_AUDIO1(CLK_AUD_GENERAL1_ASRC, "aud_general1" , |
66 | "audio_sel" , 13), |
67 | GATE_AUDIO1(CLK_AUD_GENERAL2_ASRC, "aud_general2" , |
68 | "audio_sel" , 14), |
69 | GATE_AUDIO1(CLK_AUD_DAC_HIRES, "aud_dac_hires" , |
70 | "audio_h_sel" , 15), |
71 | GATE_AUDIO1(CLK_AUD_ADC_HIRES, "aud_adc_hires" , |
72 | "audio_h_sel" , 16), |
73 | GATE_AUDIO1(CLK_AUD_ADC_HIRES_TML, "aud_adc_hires_tml" , |
74 | "audio_h_sel" , 17), |
75 | GATE_AUDIO1(CLK_AUD_PDN_ADDA6_ADC, "aud_pdn_adda6_adc" , |
76 | "audio_sel" , 20), |
77 | GATE_AUDIO1(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires" , |
78 | "audio_h_sel" , |
79 | 21), |
80 | GATE_AUDIO1(CLK_AUD_3RD_DAC, "aud_3rd_dac" , "audio_sel" , |
81 | 28), |
82 | GATE_AUDIO1(CLK_AUD_3RD_DAC_PREDIS, "aud_3rd_dac_predis" , |
83 | "audio_sel" , 29), |
84 | GATE_AUDIO1(CLK_AUD_3RD_DAC_TML, "aud_3rd_dac_tml" , |
85 | "audio_sel" , 30), |
86 | GATE_AUDIO1(CLK_AUD_3RD_DAC_HIRES, "aud_3rd_dac_hires" , |
87 | "audio_h_sel" , 31), |
88 | }; |
89 | |
90 | static const struct mtk_clk_desc audio_desc = { |
91 | .clks = audio_clks, |
92 | .num_clks = ARRAY_SIZE(audio_clks), |
93 | }; |
94 | |
95 | static const struct of_device_id of_match_clk_mt6779_aud[] = { |
96 | { |
97 | .compatible = "mediatek,mt6779-audio" , |
98 | .data = &audio_desc, |
99 | }, { |
100 | /* sentinel */ |
101 | } |
102 | }; |
103 | MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_aud); |
104 | |
105 | static struct platform_driver clk_mt6779_aud_drv = { |
106 | .probe = mtk_clk_simple_probe, |
107 | .remove_new = mtk_clk_simple_remove, |
108 | .driver = { |
109 | .name = "clk-mt6779-aud" , |
110 | .of_match_table = of_match_clk_mt6779_aud, |
111 | }, |
112 | }; |
113 | |
114 | module_platform_driver(clk_mt6779_aud_drv); |
115 | MODULE_LICENSE("GPL" ); |
116 | |