1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Copyright (c) 2019 MediaTek Inc. |
4 | * Author: James Liao <jamesjj.liao@mediatek.com> |
5 | * Fabien Parent <fparent@baylibre.com> |
6 | * Copyright (c) 2023 Collabora Ltd. |
7 | */ |
8 | |
9 | #include <linux/clk-provider.h> |
10 | #include <linux/mod_devicetable.h> |
11 | #include <linux/platform_device.h> |
12 | |
13 | #include "clk-mtk.h" |
14 | #include "clk-gate.h" |
15 | |
16 | #include <dt-bindings/clock/mt8516-clk.h> |
17 | |
18 | static const struct mtk_gate_regs aud_cg_regs = { |
19 | .set_ofs = 0x0, |
20 | .clr_ofs = 0x0, |
21 | .sta_ofs = 0x0, |
22 | }; |
23 | |
24 | #define GATE_AUD(_id, _name, _parent, _shift) \ |
25 | GATE_MTK(_id, _name, _parent, &aud_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) |
26 | |
27 | static const struct mtk_gate aud_clks[] = { |
28 | GATE_AUD(CLK_AUD_AFE, "aud_afe" , "clk26m_ck" , 2), |
29 | GATE_AUD(CLK_AUD_I2S, "aud_i2s" , "i2s_infra_bck" , 6), |
30 | GATE_AUD(CLK_AUD_22M, "aud_22m" , "rg_aud_engen1" , 8), |
31 | GATE_AUD(CLK_AUD_24M, "aud_24m" , "rg_aud_engen2" , 9), |
32 | GATE_AUD(CLK_AUD_INTDIR, "aud_intdir" , "rg_aud_spdif_in" , 15), |
33 | GATE_AUD(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner" , "rg_aud_engen2" , 18), |
34 | GATE_AUD(CLK_AUD_APLL_TUNER, "aud_apll_tuner" , "rg_aud_engen1" , 19), |
35 | GATE_AUD(CLK_AUD_HDMI, "aud_hdmi" , "apll12_div4" , 20), |
36 | GATE_AUD(CLK_AUD_SPDF, "aud_spdf" , "apll12_div6" , 21), |
37 | GATE_AUD(CLK_AUD_ADC, "aud_adc" , "aud_afe" , 24), |
38 | GATE_AUD(CLK_AUD_DAC, "aud_dac" , "aud_afe" , 25), |
39 | GATE_AUD(CLK_AUD_DAC_PREDIS, "aud_dac_predis" , "aud_afe" , 26), |
40 | GATE_AUD(CLK_AUD_TML, "aud_tml" , "aud_afe" , 27), |
41 | }; |
42 | |
43 | static const struct mtk_clk_desc aud_desc = { |
44 | .clks = aud_clks, |
45 | .num_clks = ARRAY_SIZE(aud_clks), |
46 | }; |
47 | |
48 | static const struct of_device_id of_match_clk_mt8516_aud[] = { |
49 | { .compatible = "mediatek,mt8516-audsys" , .data = &aud_desc }, |
50 | { /* sentinel */ } |
51 | }; |
52 | MODULE_DEVICE_TABLE(of, of_match_clk_mt8516_aud); |
53 | |
54 | static struct platform_driver clk_mt8516_aud_drv = { |
55 | .probe = mtk_clk_simple_probe, |
56 | .remove_new = mtk_clk_simple_remove, |
57 | .driver = { |
58 | .name = "clk-mt8516-aud" , |
59 | .of_match_table = of_match_clk_mt8516_aud, |
60 | }, |
61 | }; |
62 | module_platform_driver(clk_mt8516_aud_drv); |
63 | |
64 | MODULE_DESCRIPTION("MediaTek MT8516 audiosys clocks driver" ); |
65 | MODULE_LICENSE("GPL" ); |
66 | |