1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun //
3*4882a593Smuzhiyun // Copyright (c) 2018 MediaTek Inc.
4*4882a593Smuzhiyun // Author: Weiyi Lu <weiyi.lu@mediatek.com>
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include <linux/clk-provider.h>
7*4882a593Smuzhiyun #include <linux/of_platform.h>
8*4882a593Smuzhiyun #include <linux/platform_device.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include "clk-mtk.h"
11*4882a593Smuzhiyun #include "clk-gate.h"
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <dt-bindings/clock/mt8183-clk.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun static const struct mtk_gate_regs audio0_cg_regs = {
16*4882a593Smuzhiyun .set_ofs = 0x0,
17*4882a593Smuzhiyun .clr_ofs = 0x0,
18*4882a593Smuzhiyun .sta_ofs = 0x0,
19*4882a593Smuzhiyun };
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun static const struct mtk_gate_regs audio1_cg_regs = {
22*4882a593Smuzhiyun .set_ofs = 0x4,
23*4882a593Smuzhiyun .clr_ofs = 0x4,
24*4882a593Smuzhiyun .sta_ofs = 0x4,
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun #define GATE_AUDIO0(_id, _name, _parent, _shift) \
28*4882a593Smuzhiyun GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, \
29*4882a593Smuzhiyun &mtk_clk_gate_ops_no_setclr)
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun #define GATE_AUDIO1(_id, _name, _parent, _shift) \
32*4882a593Smuzhiyun GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, \
33*4882a593Smuzhiyun &mtk_clk_gate_ops_no_setclr)
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun static const struct mtk_gate audio_clks[] = {
36*4882a593Smuzhiyun /* AUDIO0 */
37*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_AFE, "aud_afe", "audio_sel",
38*4882a593Smuzhiyun 2),
39*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_eng1_sel",
40*4882a593Smuzhiyun 8),
41*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_24M, "aud_24m", "aud_eng2_sel",
42*4882a593Smuzhiyun 9),
43*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_APLL2_TUNER, "aud_apll2_tuner", "aud_eng2_sel",
44*4882a593Smuzhiyun 18),
45*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner", "aud_eng1_sel",
46*4882a593Smuzhiyun 19),
47*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_TDM, "aud_tdm", "apll12_divb",
48*4882a593Smuzhiyun 20),
49*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_sel",
50*4882a593Smuzhiyun 24),
51*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_sel",
52*4882a593Smuzhiyun 25),
53*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis", "audio_sel",
54*4882a593Smuzhiyun 26),
55*4882a593Smuzhiyun GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_sel",
56*4882a593Smuzhiyun 27),
57*4882a593Smuzhiyun /* AUDIO1 */
58*4882a593Smuzhiyun GATE_AUDIO1(CLK_AUDIO_I2S1, "aud_i2s1", "audio_sel",
59*4882a593Smuzhiyun 4),
60*4882a593Smuzhiyun GATE_AUDIO1(CLK_AUDIO_I2S2, "aud_i2s2", "audio_sel",
61*4882a593Smuzhiyun 5),
62*4882a593Smuzhiyun GATE_AUDIO1(CLK_AUDIO_I2S3, "aud_i2s3", "audio_sel",
63*4882a593Smuzhiyun 6),
64*4882a593Smuzhiyun GATE_AUDIO1(CLK_AUDIO_I2S4, "aud_i2s4", "audio_sel",
65*4882a593Smuzhiyun 7),
66*4882a593Smuzhiyun GATE_AUDIO1(CLK_AUDIO_PDN_ADDA6_ADC, "aud_pdn_adda6_adc", "audio_sel",
67*4882a593Smuzhiyun 20),
68*4882a593Smuzhiyun };
69*4882a593Smuzhiyun
clk_mt8183_audio_probe(struct platform_device * pdev)70*4882a593Smuzhiyun static int clk_mt8183_audio_probe(struct platform_device *pdev)
71*4882a593Smuzhiyun {
72*4882a593Smuzhiyun struct clk_onecell_data *clk_data;
73*4882a593Smuzhiyun int r;
74*4882a593Smuzhiyun struct device_node *node = pdev->dev.of_node;
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun clk_data = mtk_alloc_clk_data(CLK_AUDIO_NR_CLK);
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks),
79*4882a593Smuzhiyun clk_data);
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
82*4882a593Smuzhiyun if (r)
83*4882a593Smuzhiyun return r;
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun r = devm_of_platform_populate(&pdev->dev);
86*4882a593Smuzhiyun if (r)
87*4882a593Smuzhiyun of_clk_del_provider(node);
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun return r;
90*4882a593Smuzhiyun }
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun static const struct of_device_id of_match_clk_mt8183_audio[] = {
93*4882a593Smuzhiyun { .compatible = "mediatek,mt8183-audiosys", },
94*4882a593Smuzhiyun {}
95*4882a593Smuzhiyun };
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun static struct platform_driver clk_mt8183_audio_drv = {
98*4882a593Smuzhiyun .probe = clk_mt8183_audio_probe,
99*4882a593Smuzhiyun .driver = {
100*4882a593Smuzhiyun .name = "clk-mt8183-audio",
101*4882a593Smuzhiyun .of_match_table = of_match_clk_mt8183_audio,
102*4882a593Smuzhiyun },
103*4882a593Smuzhiyun };
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun builtin_platform_driver(clk_mt8183_audio_drv);
106