1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // |
3 | // Copyright (c) 2018 MediaTek Inc. |
4 | // Author: Weiyi Lu <weiyi.lu@mediatek.com> |
5 | |
6 | #include <linux/clk-provider.h> |
7 | #include <linux/of_platform.h> |
8 | #include <linux/platform_device.h> |
9 | |
10 | #include "clk-mtk.h" |
11 | #include "clk-gate.h" |
12 | |
13 | #include <dt-bindings/clock/mt8183-clk.h> |
14 | |
15 | static const struct mtk_gate_regs audio0_cg_regs = { |
16 | .set_ofs = 0x0, |
17 | .clr_ofs = 0x0, |
18 | .sta_ofs = 0x0, |
19 | }; |
20 | |
21 | static 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, \ |
29 | &mtk_clk_gate_ops_no_setclr) |
30 | |
31 | #define GATE_AUDIO1(_id, _name, _parent, _shift) \ |
32 | GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, \ |
33 | &mtk_clk_gate_ops_no_setclr) |
34 | |
35 | static const struct mtk_gate audio_clks[] = { |
36 | /* AUDIO0 */ |
37 | GATE_AUDIO0(CLK_AUDIO_AFE, "aud_afe" , "audio_sel" , |
38 | 2), |
39 | GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m" , "aud_eng1_sel" , |
40 | 8), |
41 | GATE_AUDIO0(CLK_AUDIO_24M, "aud_24m" , "aud_eng2_sel" , |
42 | 9), |
43 | GATE_AUDIO0(CLK_AUDIO_APLL2_TUNER, "aud_apll2_tuner" , "aud_eng2_sel" , |
44 | 18), |
45 | GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner" , "aud_eng1_sel" , |
46 | 19), |
47 | GATE_AUDIO0(CLK_AUDIO_TDM, "aud_tdm" , "apll12_divb" , |
48 | 20), |
49 | GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc" , "audio_sel" , |
50 | 24), |
51 | GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac" , "audio_sel" , |
52 | 25), |
53 | GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis" , "audio_sel" , |
54 | 26), |
55 | GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml" , "audio_sel" , |
56 | 27), |
57 | /* AUDIO1 */ |
58 | GATE_AUDIO1(CLK_AUDIO_I2S1, "aud_i2s1" , "audio_sel" , |
59 | 4), |
60 | GATE_AUDIO1(CLK_AUDIO_I2S2, "aud_i2s2" , "audio_sel" , |
61 | 5), |
62 | GATE_AUDIO1(CLK_AUDIO_I2S3, "aud_i2s3" , "audio_sel" , |
63 | 6), |
64 | GATE_AUDIO1(CLK_AUDIO_I2S4, "aud_i2s4" , "audio_sel" , |
65 | 7), |
66 | GATE_AUDIO1(CLK_AUDIO_PDN_ADDA6_ADC, "aud_pdn_adda6_adc" , "audio_sel" , |
67 | 20), |
68 | }; |
69 | |
70 | static const struct mtk_clk_desc audio_desc = { |
71 | .clks = audio_clks, |
72 | .num_clks = ARRAY_SIZE(audio_clks), |
73 | }; |
74 | |
75 | static int clk_mt8183_audio_probe(struct platform_device *pdev) |
76 | { |
77 | int r; |
78 | |
79 | r = mtk_clk_simple_probe(pdev); |
80 | if (r) |
81 | return r; |
82 | |
83 | r = devm_of_platform_populate(dev: &pdev->dev); |
84 | if (r) |
85 | mtk_clk_simple_remove(pdev); |
86 | |
87 | return r; |
88 | } |
89 | |
90 | static void clk_mt8183_audio_remove(struct platform_device *pdev) |
91 | { |
92 | of_platform_depopulate(parent: &pdev->dev); |
93 | mtk_clk_simple_remove(pdev); |
94 | } |
95 | |
96 | static const struct of_device_id of_match_clk_mt8183_audio[] = { |
97 | { .compatible = "mediatek,mt8183-audiosys" , .data = &audio_desc }, |
98 | { /* sentinel */ } |
99 | }; |
100 | MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_audio); |
101 | |
102 | static struct platform_driver clk_mt8183_audio_drv = { |
103 | .probe = clk_mt8183_audio_probe, |
104 | .remove_new = clk_mt8183_audio_remove, |
105 | .driver = { |
106 | .name = "clk-mt8183-audio" , |
107 | .of_match_table = of_match_clk_mt8183_audio, |
108 | }, |
109 | }; |
110 | module_platform_driver(clk_mt8183_audio_drv); |
111 | MODULE_LICENSE("GPL" ); |
112 | |