1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright (c) 2021 MediaTek Inc.
4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
5 
6 #include "clk-gate.h"
7 #include "clk-mtk.h"
8 
9 #include <dt-bindings/clock/mt8195-clk.h>
10 #include <linux/of_device.h>
11 #include <linux/platform_device.h>
12 
13 static const struct mtk_gate_regs apmixed_cg_regs = {
14 	.set_ofs = 0x8,
15 	.clr_ofs = 0x8,
16 	.sta_ofs = 0x8,
17 };
18 
19 #define GATE_APMIXED(_id, _name, _parent, _shift)			\
20 	GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
21 
22 static const struct mtk_gate apmixed_clks[] = {
23 	GATE_APMIXED(CLK_APMIXED_PLL_SSUSB26M, "pll_ssusb26m", "clk26m", 1),
24 };
25 
26 #define MT8195_PLL_FMAX		(3800UL * MHZ)
27 #define MT8195_PLL_FMIN		(1500UL * MHZ)
28 #define MT8195_INTEGER_BITS	8
29 
30 #define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags,		\
31 	    _rst_bar_mask, _pcwbits, _pd_reg, _pd_shift,		\
32 	    _tuner_reg, _tuner_en_reg, _tuner_en_bit,			\
33 	    _pcw_reg, _pcw_shift, _pcw_chg_reg,				\
34 	    _en_reg, _pll_en_bit) {					\
35 		.id = _id,						\
36 		.name = _name,						\
37 		.reg = _reg,						\
38 		.pwr_reg = _pwr_reg,					\
39 		.en_mask = _en_mask,					\
40 		.flags = _flags,					\
41 		.rst_bar_mask = _rst_bar_mask,				\
42 		.fmax = MT8195_PLL_FMAX,				\
43 		.fmin = MT8195_PLL_FMIN,				\
44 		.pcwbits = _pcwbits,					\
45 		.pcwibits = MT8195_INTEGER_BITS,			\
46 		.pd_reg = _pd_reg,					\
47 		.pd_shift = _pd_shift,					\
48 		.tuner_reg = _tuner_reg,				\
49 		.tuner_en_reg = _tuner_en_reg,				\
50 		.tuner_en_bit = _tuner_en_bit,				\
51 		.pcw_reg = _pcw_reg,					\
52 		.pcw_shift = _pcw_shift,				\
53 		.pcw_chg_reg = _pcw_chg_reg,				\
54 		.en_reg = _en_reg,					\
55 		.pll_en_bit = _pll_en_bit,				\
56 	}
57 
58 static const struct mtk_pll_data plls[] = {
59 	PLL(CLK_APMIXED_NNAPLL, "nnapll", 0x0390, 0x03a0, 0,
60 	    0, 0, 22, 0x0398, 24, 0, 0, 0, 0x0398, 0, 0x0398, 0, 9),
61 	PLL(CLK_APMIXED_RESPLL, "respll", 0x0190, 0x0320, 0,
62 	    0, 0, 22, 0x0198, 24, 0, 0, 0, 0x0198, 0, 0x0198, 0, 9),
63 	PLL(CLK_APMIXED_ETHPLL, "ethpll", 0x0360, 0x0370, 0,
64 	    0, 0, 22, 0x0368, 24, 0, 0, 0, 0x0368, 0, 0x0368, 0, 9),
65 	PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0710, 0x0720, 0,
66 	    0, 0, 22, 0x0718, 24, 0, 0, 0, 0x0718, 0, 0x0718, 0, 9),
67 	PLL(CLK_APMIXED_TVDPLL1, "tvdpll1", 0x00a0, 0x00b0, 0,
68 	    0, 0, 22, 0x00a8, 24, 0, 0, 0, 0x00a8, 0, 0x00a8, 0, 9),
69 	PLL(CLK_APMIXED_TVDPLL2, "tvdpll2", 0x00c0, 0x00d0, 0,
70 	    0, 0, 22, 0x00c8, 24, 0, 0, 0, 0x00c8, 0, 0x00c8, 0, 9),
71 	PLL(CLK_APMIXED_MMPLL, "mmpll", 0x00e0, 0x00f0, 0xff000000,
72 	    HAVE_RST_BAR, BIT(23), 22, 0x00e8, 24, 0, 0, 0, 0x00e8, 0, 0x00e8, 0, 9),
73 	PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x01d0, 0x01e0, 0xff000000,
74 	    HAVE_RST_BAR, BIT(23), 22, 0x01d8, 24, 0, 0, 0, 0x01d8, 0, 0x01d8, 0, 9),
75 	PLL(CLK_APMIXED_VDECPLL, "vdecpll", 0x0890, 0x08a0, 0,
76 	    0, 0, 22, 0x0898, 24, 0, 0, 0, 0x0898, 0, 0x0898, 0, 9),
77 	PLL(CLK_APMIXED_IMGPLL, "imgpll", 0x0100, 0x0110, 0,
78 	    0, 0, 22, 0x0108, 24, 0, 0, 0, 0x0108, 0, 0x0108, 0, 9),
79 	PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x01f0, 0x0700, 0xff000000,
80 	    HAVE_RST_BAR, BIT(23), 22, 0x01f8, 24, 0, 0, 0, 0x01f8, 0, 0x01f8, 0, 9),
81 	PLL(CLK_APMIXED_HDMIPLL1, "hdmipll1", 0x08c0, 0x08d0, 0,
82 	    0, 0, 22, 0x08c8, 24, 0, 0, 0, 0x08c8, 0, 0x08c8, 0, 9),
83 	PLL(CLK_APMIXED_HDMIPLL2, "hdmipll2", 0x0870, 0x0880, 0,
84 	    0, 0, 22, 0x0878, 24, 0, 0, 0, 0x0878, 0, 0x0878, 0, 9),
85 	PLL(CLK_APMIXED_HDMIRX_APLL, "hdmirx_apll", 0x08e0, 0x0dd4, 0,
86 	    0, 0, 32, 0x08e8, 24, 0, 0, 0, 0x08ec, 0, 0x08e8, 0, 9),
87 	PLL(CLK_APMIXED_USB1PLL, "usb1pll", 0x01a0, 0x01b0, 0,
88 	    0, 0, 22, 0x01a8, 24, 0, 0, 0, 0x01a8, 0, 0x01a8, 0, 9),
89 	PLL(CLK_APMIXED_ADSPPLL, "adsppll", 0x07e0, 0x07f0, 0,
90 	    0, 0, 22, 0x07e8, 24, 0, 0, 0, 0x07e8, 0, 0x07e8, 0, 9),
91 	PLL(CLK_APMIXED_APLL1, "apll1", 0x07c0, 0x0dc0, 0,
92 	    0, 0, 32, 0x07c8, 24, 0x0470, 0x0000, 12, 0x07cc, 0, 0x07c8, 0, 9),
93 	PLL(CLK_APMIXED_APLL2, "apll2", 0x0780, 0x0dc4, 0,
94 	    0, 0, 32, 0x0788, 24, 0x0474, 0x0000, 13, 0x078c, 0, 0x0788, 0, 9),
95 	PLL(CLK_APMIXED_APLL3, "apll3", 0x0760, 0x0dc8, 0,
96 	    0, 0, 32, 0x0768, 24, 0x0478, 0x0000, 14, 0x076c, 0, 0x0768, 0, 9),
97 	PLL(CLK_APMIXED_APLL4, "apll4", 0x0740, 0x0dcc, 0,
98 	    0, 0, 32, 0x0748, 24, 0x047C, 0x0000, 15, 0x074c, 0, 0x0748, 0, 9),
99 	PLL(CLK_APMIXED_APLL5, "apll5", 0x07a0, 0x0dd0, 0x100000,
100 	    0, 0, 32, 0x07a8, 24, 0x0480, 0x0000, 16, 0x07ac, 0, 0x07a8, 0, 9),
101 	PLL(CLK_APMIXED_MFGPLL, "mfgpll", 0x0340, 0x0350, 0,
102 	    0, 0, 22, 0x0348, 24, 0, 0, 0, 0x0348, 0, 0x0348, 0, 9),
103 	PLL(CLK_APMIXED_DGIPLL, "dgipll", 0x0150, 0x0160, 0,
104 	    0, 0, 22, 0x0158, 24, 0, 0, 0, 0x0158, 0, 0x0158, 0, 9),
105 };
106 
107 static const struct of_device_id of_match_clk_mt8195_apmixed[] = {
108 	{ .compatible = "mediatek,mt8195-apmixedsys", },
109 	{}
110 };
111 
112 static int clk_mt8195_apmixed_probe(struct platform_device *pdev)
113 {
114 	struct clk_onecell_data *clk_data;
115 	struct device_node *node = pdev->dev.of_node;
116 	int r;
117 
118 	clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
119 	if (!clk_data)
120 		return -ENOMEM;
121 
122 	mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
123 	r = mtk_clk_register_gates(node, apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);
124 	if (r)
125 		goto free_apmixed_data;
126 
127 	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
128 	if (r)
129 		goto free_apmixed_data;
130 
131 	return r;
132 
133 free_apmixed_data:
134 	mtk_free_clk_data(clk_data);
135 	return r;
136 }
137 
138 static struct platform_driver clk_mt8195_apmixed_drv = {
139 	.probe = clk_mt8195_apmixed_probe,
140 	.driver = {
141 		.name = "clk-mt8195-apmixed",
142 		.of_match_table = of_match_clk_mt8195_apmixed,
143 	},
144 };
145 builtin_platform_driver(clk_mt8195_apmixed_drv);
146