1 /*
2  * Copyright (C) 2016 Socionext Inc.
3  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15 
16 #include <linux/stddef.h>
17 
18 #include "clk-uniphier.h"
19 
20 #define UNIPHIER_SLD3_SYS_CLK_SD					\
21 	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 8),		\
22 	UNIPHIER_CLK_FACTOR("sd-133m", -1, "vpll27a", 1, 2)
23 
24 #define UNIPHIER_PRO5_SYS_CLK_SD					\
25 	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 12),		\
26 	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 18)
27 
28 #define UNIPHIER_LD20_SYS_CLK_SD					\
29 	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 10),		\
30 	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 15)
31 
32 #define UNIPHIER_SLD3_SYS_CLK_NAND(idx)					\
33 	UNIPHIER_CLK_GATE("nand", (idx), NULL, 0x2104, 2)
34 
35 #define UNIPHIER_LD11_SYS_CLK_NAND(idx)					\
36 	UNIPHIER_CLK_GATE("nand", (idx), NULL, 0x210c, 0)
37 
38 #define UNIPHIER_LD11_SYS_CLK_EMMC(idx)					\
39 	UNIPHIER_CLK_GATE("emmc", (idx), NULL, 0x210c, 2)
40 
41 #define UNIPHIER_SLD3_SYS_CLK_STDMAC(idx)				\
42 	UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x2104, 10)
43 
44 #define UNIPHIER_LD11_SYS_CLK_STDMAC(idx)				\
45 	UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x210c, 8)
46 
47 #define UNIPHIER_PRO4_SYS_CLK_GIO(idx)					\
48 	UNIPHIER_CLK_GATE("gio", (idx), NULL, 0x2104, 6)
49 
50 #define UNIPHIER_PRO4_SYS_CLK_USB3(idx, ch)				\
51 	UNIPHIER_CLK_GATE("usb3" #ch, (idx), NULL, 0x2104, 16 + (ch))
52 
53 const struct uniphier_clk_data uniphier_sld3_sys_clk_data[] = {
54 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
55 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
56 	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
57 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
58 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
59 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
60 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
61 	UNIPHIER_SLD3_SYS_CLK_SD,
62 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
63 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),
64 	{ /* sentinel */ }
65 };
66 
67 const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
68 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
69 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
70 	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
71 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
72 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
73 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
74 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
75 	UNIPHIER_SLD3_SYS_CLK_SD,
76 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
77 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* Ether, HSC, MIO */
78 	{ /* sentinel */ }
79 };
80 
81 const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
82 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
83 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
84 	UNIPHIER_CLK_FACTOR("a2pll", -1, "upll", 256, 125),	/* 589.824 MHz */
85 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
86 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
87 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
88 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
89 	UNIPHIER_SLD3_SYS_CLK_SD,
90 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
91 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* HSC, MIO, RLE */
92 	UNIPHIER_PRO4_SYS_CLK_GIO(12),			/* Ether, SATA, USB3 */
93 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
94 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
95 	{ /* sentinel */ }
96 };
97 
98 const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
99 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
100 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
101 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
102 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
103 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
104 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
105 	UNIPHIER_SLD3_SYS_CLK_SD,
106 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
107 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* Ether, HSC, MIO */
108 	{ /* sentinel */ }
109 };
110 
111 const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
112 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 120, 1),		/* 2400 MHz */
113 	UNIPHIER_CLK_FACTOR("dapll1", -1, "ref", 128, 1),	/* 2560 MHz */
114 	UNIPHIER_CLK_FACTOR("dapll2", -1, "ref", 144, 125),	/* 2949.12 MHz */
115 	UNIPHIER_CLK_FACTOR("uart", 0, "dapll2", 1, 40),
116 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
117 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
118 	UNIPHIER_PRO5_SYS_CLK_SD,
119 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),			/* HSC */
120 	UNIPHIER_PRO4_SYS_CLK_GIO(12),				/* PCIe, USB3 */
121 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
122 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
123 	{ /* sentinel */ }
124 };
125 
126 const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
127 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 96, 1),		/* 2400 MHz */
128 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 27),
129 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
130 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
131 	UNIPHIER_PRO5_SYS_CLK_SD,
132 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),			/* HSC, RLE */
133 	/* GIO is always clock-enabled: no function for 0x2104 bit6 */
134 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
135 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
136 	/* The document mentions 0x2104 bit 18, but not functional */
137 	UNIPHIER_CLK_GATE("usb30-phy", 16, NULL, 0x2104, 19),
138 	UNIPHIER_CLK_GATE("usb31-phy", 20, NULL, 0x2104, 20),
139 	{ /* sentinel */ }
140 };
141 
142 const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
143 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 392, 5),		/* 1960 MHz */
144 	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* 1600 MHz */
145 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
146 	UNIPHIER_CLK_FACTOR("vspll", -1, "ref", 80, 1),		/* 2000 MHz */
147 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
148 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
149 	UNIPHIER_LD11_SYS_CLK_NAND(2),
150 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
151 	/* Index 5 reserved for eMMC PHY */
152 	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC, MIO */
153 	UNIPHIER_CLK_FACTOR("usb2", -1, "ref", 24, 25),
154 	/* CPU gears */
155 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
156 	UNIPHIER_CLK_DIV4("mpll", 2, 3, 4, 8),
157 	UNIPHIER_CLK_DIV3("spll", 3, 4, 8),
158 	/* Note: both gear1 and gear4 are spll/4.  This is not a bug. */
159 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
160 			     "cpll/2", "spll/4", "cpll/3", "spll/3",
161 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
162 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
163 			     "mpll/2", "spll/4", "mpll/3", "spll/3",
164 			     "spll/4", "spll/8", "mpll/4", "mpll/8"),
165 	{ /* sentinel */ }
166 };
167 
168 const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
169 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 88, 1),		/* ARM: 2200 MHz */
170 	UNIPHIER_CLK_FACTOR("gppll", -1, "ref", 52, 1),		/* Mali: 1300 MHz */
171 	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* Codec: 1600 MHz */
172 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
173 	UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1),		/* IPP: 2200 MHz */
174 	UNIPHIER_CLK_FACTOR("vppll", -1, "ref", 504, 5),	/* 2520 MHz */
175 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
176 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
177 	UNIPHIER_LD11_SYS_CLK_NAND(2),
178 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
179 	/* Index 5 reserved for eMMC PHY */
180 	UNIPHIER_LD20_SYS_CLK_SD,
181 	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC */
182 	/* GIO is always clock-enabled: no function for 0x210c bit5 */
183 	/*
184 	 * clock for USB Link is enabled by the logic "OR" of bit 14 and bit 15.
185 	 * We do not use bit 15 here.
186 	 */
187 	UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14),
188 	UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 12),
189 	UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 13),
190 	/* CPU gears */
191 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
192 	UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8),
193 	UNIPHIER_CLK_DIV4("s2pll", 2, 3, 4, 8),
194 	UNIPHIER_CLK_CPUGEAR("cpu-ca72", 32, 0x8000, 0xf, 8,
195 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
196 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
197 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
198 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
199 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
200 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
201 			     "s2pll/2", "spll/2", "s2pll/3", "spll/3",
202 			     "spll/4", "spll/8", "s2pll/4", "s2pll/8"),
203 	{ /* sentinel */ }
204 };
205