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 | |
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, &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 | |
33 | static 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 | |
55 | static const struct mtk_clk_desc audio_desc = { |
56 | .clks = audio_clks, |
57 | .num_clks = ARRAY_SIZE(audio_clks), |
58 | }; |
59 | |
60 | static 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 | }; |
68 | MODULE_DEVICE_TABLE(of, of_match_clk_mt6765_audio); |
69 | |
70 | static 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 | }; |
78 | module_platform_driver(clk_mt6765_audio_drv); |
79 | MODULE_LICENSE("GPL" ); |
80 | |