summaryrefslogtreecommitdiff
path: root/drivers/clk/mediatek/clk-mt8195-apmixedsys.c
blob: 049ae8123e34508245288d4d0ec6be371f799914 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright (c) 2021 MediaTek Inc.
// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>

#include "clk-fhctl.h"
#include "clk-gate.h"
#include "clk-mtk.h"
#include "clk-pll.h"
#include "clk-pllfh.h"

#include <dt-bindings/clock/mt8195-clk.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>

static const struct mtk_gate_regs apmixed_cg_regs = {
	.set_ofs = 0x8,
	.clr_ofs = 0x8,
	.sta_ofs = 0x8,
};

#define GATE_APMIXED(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)

static const struct mtk_gate apmixed_clks[] = {
	GATE_APMIXED(CLK_APMIXED_PLL_SSUSB26M, "pll_ssusb26m", "clk26m", 1),
};

#define MT8195_PLL_FMAX		(3800UL * MHZ)
#define MT8195_PLL_FMIN		(1500UL * MHZ)
#define MT8195_INTEGER_BITS	8

#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags,		\
	    _rst_bar_mask, _pcwbits, _pd_reg, _pd_shift,		\
	    _tuner_reg, _tuner_en_reg, _tuner_en_bit,			\
	    _pcw_reg, _pcw_shift, _pcw_chg_reg,				\
	    _en_reg, _pll_en_bit) {					\
		.id = _id,						\
		.name = _name,						\
		.reg = _reg,						\
		.pwr_reg = _pwr_reg,					\
		.en_mask = _en_mask,					\
		.flags = _flags,					\
		.rst_bar_mask = _rst_bar_mask,				\
		.fmax = MT8195_PLL_FMAX,				\
		.fmin = MT8195_PLL_FMIN,				\
		.pcwbits = _pcwbits,					\
		.pcwibits = MT8195_INTEGER_BITS,			\
		.pd_reg = _pd_reg,					\
		.pd_shift = _pd_shift,					\
		.tuner_reg = _tuner_reg,				\
		.tuner_en_reg = _tuner_en_reg,				\
		.tuner_en_bit = _tuner_en_bit,				\
		.pcw_reg = _pcw_reg,					\
		.pcw_shift = _pcw_shift,				\
		.pcw_chg_reg = _pcw_chg_reg,				\
		.en_reg = _en_reg,					\
		.pll_en_bit = _pll_en_bit,				\
	}

static const struct mtk_pll_data plls[] = {
	PLL(CLK_APMIXED_NNAPLL, "nnapll", 0x0390, 0x03a0, 0,
	    0, 0, 22, 0x0398, 24, 0, 0, 0, 0x0398, 0, 0x0398, 0, 9),
	PLL(CLK_APMIXED_RESPLL, "respll", 0x0190, 0x0320, 0,
	    0, 0, 22, 0x0198, 24, 0, 0, 0, 0x0198, 0, 0x0198, 0, 9),
	PLL(CLK_APMIXED_ETHPLL, "ethpll", 0x0360, 0x0370, 0,
	    0, 0, 22, 0x0368, 24, 0, 0, 0, 0x0368, 0, 0x0368, 0, 9),
	PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0710, 0x0720, 0,
	    0, 0, 22, 0x0718, 24, 0, 0, 0, 0x0718, 0, 0x0718, 0, 9),
	PLL(CLK_APMIXED_TVDPLL1, "tvdpll1", 0x00a0, 0x00b0, 0,
	    0, 0, 22, 0x00a8, 24, 0, 0, 0, 0x00a8, 0, 0x00a8, 0, 9),
	PLL(CLK_APMIXED_TVDPLL2, "tvdpll2", 0x00c0, 0x00d0, 0,
	    0, 0, 22, 0x00c8, 24, 0, 0, 0, 0x00c8, 0, 0x00c8, 0, 9),
	PLL(CLK_APMIXED_MMPLL, "mmpll", 0x00e0, 0x00f0, 0xff000000,
	    HAVE_RST_BAR, BIT(23), 22, 0x00e8, 24, 0, 0, 0, 0x00e8, 0, 0x00e8, 0, 9),
	PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x01d0, 0x01e0, 0xff000000,
	    HAVE_RST_BAR, BIT(23), 22, 0x01d8, 24, 0, 0, 0, 0x01d8, 0, 0x01d8, 0, 9),
	PLL(CLK_APMIXED_VDECPLL, "vdecpll", 0x0890, 0x08a0, 0,
	    0, 0, 22, 0x0898, 24, 0, 0, 0, 0x0898, 0, 0x0898, 0, 9),
	PLL(CLK_APMIXED_IMGPLL, "imgpll", 0x0100, 0x0110, 0,
	    0, 0, 22, 0x0108, 24, 0, 0, 0, 0x0108, 0, 0x0108, 0, 9),
	PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x01f0, 0x0700, 0xff000000,
	    HAVE_RST_BAR, BIT(23), 22, 0x01f8, 24, 0, 0, 0, 0x01f8, 0, 0x01f8, 0, 9),
	PLL(CLK_APMIXED_HDMIPLL1, "hdmipll1", 0x08c0, 0x08d0, 0,
	    0, 0, 22, 0x08c8, 24, 0, 0, 0, 0x08c8, 0, 0x08c8, 0, 9),
	PLL(CLK_APMIXED_HDMIPLL2, "hdmipll2", 0x0870, 0x0880, 0,
	    0, 0, 22, 0x0878, 24, 0, 0, 0, 0x0878, 0, 0x0878, 0, 9),
	PLL(CLK_APMIXED_HDMIRX_APLL, "hdmirx_apll", 0x08e0, 0x0dd4, 0,
	    0, 0, 32, 0x08e8, 24, 0, 0, 0, 0x08ec, 0, 0x08e8, 0, 9),
	PLL(CLK_APMIXED_USB1PLL, "usb1pll", 0x01a0, 0x01b0, 0,
	    0, 0, 22, 0x01a8, 24, 0, 0, 0, 0x01a8, 0, 0x01a8, 0, 9),
	PLL(CLK_APMIXED_ADSPPLL, "adsppll", 0x07e0, 0x07f0, 0,
	    0, 0, 22, 0x07e8, 24, 0, 0, 0, 0x07e8, 0, 0x07e8, 0, 9),
	PLL(CLK_APMIXED_APLL1, "apll1", 0x07c0, 0x0dc0, 0,
	    0, 0, 32, 0x07c8, 24, 0x0470, 0x0000, 12, 0x07cc, 0, 0x07c8, 0, 9),
	PLL(CLK_APMIXED_APLL2, "apll2", 0x0780, 0x0dc4, 0,
	    0, 0, 32, 0x0788, 24, 0x0474, 0x0000, 13, 0x078c, 0, 0x0788, 0, 9),
	PLL(CLK_APMIXED_APLL3, "apll3", 0x0760, 0x0dc8, 0,
	    0, 0, 32, 0x0768, 24, 0x0478, 0x0000, 14, 0x076c, 0, 0x0768, 0, 9),
	PLL(CLK_APMIXED_APLL4, "apll4", 0x0740, 0x0dcc, 0,
	    0, 0, 32, 0x0748, 24, 0x047C, 0x0000, 15, 0x074c, 0, 0x0748, 0, 9),
	PLL(CLK_APMIXED_APLL5, "apll5", 0x07a0, 0x0dd0, 0x100000,
	    0, 0, 32, 0x07a8, 24, 0x0480, 0x0000, 16, 0x07ac, 0, 0x07a8, 0, 9),
	PLL(CLK_APMIXED_MFGPLL, "mfgpll", 0x0340, 0x0350, 0,
	    0, 0, 22, 0x0348, 24, 0, 0, 0, 0x0348, 0, 0x0348, 0, 9),
	PLL(CLK_APMIXED_DGIPLL, "dgipll", 0x0150, 0x0160, 0,
	    0, 0, 22, 0x0158, 24, 0, 0, 0, 0x0158, 0, 0x0158, 0, 9),
};

enum fh_pll_id {
	FH_ARMPLL_LL,
	FH_ARMPLL_BL,
	FH_MEMPLL,
	FH_ADSPPLL,
	FH_NNAPLL,
	FH_CCIPLL,
	FH_MFGPLL,
	FH_TVDPLL2,
	FH_MPLL,
	FH_MMPLL,
	FH_MAINPLL,
	FH_MSDCPLL,
	FH_IMGPLL,
	FH_VDECPLL,
	FH_TVDPLL1,
	FH_NR_FH,
};

#define FH(_pllid, _fhid, _offset) {					\
		.data = {						\
			.pll_id = _pllid,				\
			.fh_id = _fhid,					\
			.fh_ver = FHCTL_PLLFH_V2,			\
			.fhx_offset = _offset,				\
			.dds_mask = GENMASK(21, 0),			\
			.slope0_value = 0x6003c97,			\
			.slope1_value = 0x6003c97,			\
			.sfstrx_en = BIT(2),				\
			.frddsx_en = BIT(1),				\
			.fhctlx_en = BIT(0),				\
			.tgl_org = BIT(31),				\
			.dvfs_tri = BIT(31),				\
			.pcwchg = BIT(31),				\
			.dt_val = 0x0,					\
			.df_val = 0x9,					\
			.updnlmt_shft = 16,				\
			.msk_frddsx_dys = GENMASK(23, 20),		\
			.msk_frddsx_dts = GENMASK(19, 16),		\
		},							\
	}

static struct mtk_pllfh_data pllfhs[] = {
	FH(CLK_APMIXED_ADSPPLL, FH_ADSPPLL, 0x78),
	FH(CLK_APMIXED_NNAPLL, FH_NNAPLL, 0x8c),
	FH(CLK_APMIXED_MFGPLL, FH_MFGPLL, 0xb4),
	FH(CLK_APMIXED_TVDPLL2, FH_TVDPLL2, 0xc8),
	FH(CLK_APMIXED_MMPLL, FH_MMPLL, 0xf0),
	FH(CLK_APMIXED_MAINPLL, FH_MAINPLL, 0x104),
	FH(CLK_APMIXED_MSDCPLL, FH_MSDCPLL, 0x118),
	FH(CLK_APMIXED_IMGPLL, FH_IMGPLL, 0x12c),
	FH(CLK_APMIXED_VDECPLL, FH_VDECPLL, 0x140),
	FH(CLK_APMIXED_TVDPLL2, FH_TVDPLL1, 0x154),
};

static const struct of_device_id of_match_clk_mt8195_apmixed[] = {
	{ .compatible = "mediatek,mt8195-apmixedsys", },
	{}
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_apmixed);

static int clk_mt8195_apmixed_probe(struct platform_device *pdev)
{
	struct clk_hw_onecell_data *clk_data;
	struct device_node *node = pdev->dev.of_node;
	const u8 *fhctl_node = "mediatek,mt8195-fhctl";
	int r;

	clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
	if (!clk_data)
		return -ENOMEM;

	fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs));

	r = mtk_clk_register_pllfhs(node, plls, ARRAY_SIZE(plls),
				    pllfhs, ARRAY_SIZE(pllfhs), clk_data);
	if (r)
		goto free_apmixed_data;

	r = mtk_clk_register_gates(&pdev->dev, node, apmixed_clks,
				   ARRAY_SIZE(apmixed_clks), clk_data);
	if (r)
		goto unregister_plls;

	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
	if (r)
		goto unregister_gates;

	platform_set_drvdata(pdev, clk_data);

	return r;

unregister_gates:
	mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);
unregister_plls:
	mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,
				  ARRAY_SIZE(pllfhs), clk_data);
free_apmixed_data:
	mtk_free_clk_data(clk_data);
	return r;
}

static void clk_mt8195_apmixed_remove(struct platform_device *pdev)
{
	struct device_node *node = pdev->dev.of_node;
	struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);

	of_clk_del_provider(node);
	mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);
	mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,
				  ARRAY_SIZE(pllfhs), clk_data);
	mtk_free_clk_data(clk_data);
}

static struct platform_driver clk_mt8195_apmixed_drv = {
	.probe = clk_mt8195_apmixed_probe,
	.remove_new = clk_mt8195_apmixed_remove,
	.driver = {
		.name = "clk-mt8195-apmixed",
		.of_match_table = of_match_clk_mt8195_apmixed,
	},
};
module_platform_driver(clk_mt8195_apmixed_drv);

MODULE_DESCRIPTION("MediaTek MT8195 apmixedsys clocks driver");
MODULE_LICENSE("GPL");