Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /drivers/clk/uniphier/clk-uniphier-sys.c 
  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
/*
 * Copyright (C) 2016 Socionext Inc.
 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/stddef.h>

#include "clk-uniphier.h"

#define UNIPHIER_SLD3_SYS_CLK_SD					\
	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 8),		\
	UNIPHIER_CLK_FACTOR("sd-133m", -1, "vpll27a", 1, 2)

#define UNIPHIER_PRO5_SYS_CLK_SD					\
	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 12),		\
	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 18)

#define UNIPHIER_LD20_SYS_CLK_SD					\
	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 10),		\
	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 15)

#define UNIPHIER_SLD3_SYS_CLK_STDMAC(idx)				\
	UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x2104, 10)

#define UNIPHIER_LD11_SYS_CLK_STDMAC(idx)				\
	UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x210c, 8)

#define UNIPHIER_PRO4_SYS_CLK_GIO(idx)					\
	UNIPHIER_CLK_GATE("gio", (idx), NULL, 0x2104, 6)

#define UNIPHIER_PRO4_SYS_CLK_USB3(idx, ch)				\
	UNIPHIER_CLK_GATE("usb3" #ch, (idx), NULL, 0x2104, 16 + (ch))

const struct uniphier_clk_data uniphier_sld3_sys_clk_data[] = {
	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
	UNIPHIER_SLD3_SYS_CLK_SD,
	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),
	{ /* sentinel */ }
};

const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
	UNIPHIER_SLD3_SYS_CLK_SD,
	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* Ether, HSC, MIO */
	{ /* sentinel */ }
};

const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
	UNIPHIER_CLK_FACTOR("a2pll", -1, "upll", 256, 125),	/* 589.824 MHz */
	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
	UNIPHIER_SLD3_SYS_CLK_SD,
	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* HSC, MIO, RLE */
	UNIPHIER_PRO4_SYS_CLK_GIO(12),			/* Ether, SATA, USB3 */
	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
	{ /* sentinel */ }
};

const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
	UNIPHIER_SLD3_SYS_CLK_SD,
	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* Ether, HSC, MIO */
	{ /* sentinel */ }
};

const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 120, 1),		/* 2400 MHz */
	UNIPHIER_CLK_FACTOR("dapll1", -1, "ref", 128, 1),	/* 2560 MHz */
	UNIPHIER_CLK_FACTOR("dapll2", -1, "ref", 144, 125),	/* 2949.12 MHz */
	UNIPHIER_CLK_FACTOR("uart", 0, "dapll2", 1, 40),
	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
	UNIPHIER_PRO5_SYS_CLK_SD,
	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),			/* HSC */
	UNIPHIER_PRO4_SYS_CLK_GIO(12),				/* PCIe, USB3 */
	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
	{ /* sentinel */ }
};

const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 96, 1),		/* 2400 MHz */
	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 27),
	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
	UNIPHIER_PRO5_SYS_CLK_SD,
	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),			/* HSC, RLE */
	/* GIO is always clock-enabled: no function for 0x2104 bit6 */
	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
	/* The document mentions 0x2104 bit 18, but not functional */
	UNIPHIER_CLK_GATE("usb30-phy", 16, NULL, 0x2104, 19),
	UNIPHIER_CLK_GATE("usb31-phy", 20, NULL, 0x2104, 20),
	{ /* sentinel */ }
};

const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 392, 5),		/* 1960 MHz */
	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* 1600 MHz */
	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
	UNIPHIER_CLK_FACTOR("vspll", -1, "ref", 80, 1),		/* 2000 MHz */
	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC, MIO */
	UNIPHIER_CLK_FACTOR("usb2", -1, "ref", 24, 25),
	/* CPU gears */
	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
	UNIPHIER_CLK_DIV4("mpll", 2, 3, 4, 8),
	UNIPHIER_CLK_DIV3("spll", 3, 4, 8),
	/* Note: both gear1 and gear4 are spll/4.  This is not a bug. */
	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
			     "cpll/2", "spll/4", "cpll/3", "spll/3",
			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
			     "mpll/2", "spll/4", "mpll/3", "spll/3",
			     "spll/4", "spll/8", "mpll/4", "mpll/8"),
	{ /* sentinel */ }
};

const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 88, 1),		/* ARM: 2200 MHz */
	UNIPHIER_CLK_FACTOR("gppll", -1, "ref", 52, 1),		/* Mali: 1300 MHz */
	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* Codec: 1600 MHz */
	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
	UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1),		/* IPP: 2200 MHz */
	UNIPHIER_CLK_FACTOR("vppll", -1, "ref", 504, 5),	/* 2520 MHz */
	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
	UNIPHIER_LD20_SYS_CLK_SD,
	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC */
	/* GIO is always clock-enabled: no function for 0x210c bit5 */
	/*
	 * clock for USB Link is enabled by the logic "OR" of bit 14 and bit 15.
	 * We do not use bit 15 here.
	 */
	UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14),
	UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 12),
	UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 13),
	/* CPU gears */
	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
	UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8),
	UNIPHIER_CLK_DIV4("s2pll", 2, 3, 4, 8),
	UNIPHIER_CLK_CPUGEAR("cpu-ca72", 32, 0x8000, 0xf, 8,
			     "cpll/2", "spll/2", "cpll/3", "spll/3",
			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
			     "cpll/2", "spll/2", "cpll/3", "spll/3",
			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
			     "s2pll/2", "spll/2", "s2pll/3", "spll/3",
			     "spll/4", "spll/8", "s2pll/4", "s2pll/8"),
	{ /* sentinel */ }
};