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 /* Denali driver requires clk_x rate (clk: 50MHz, clk_x & ecc_clk: 200MHz) */
33 #define UNIPHIER_SLD3_SYS_CLK_NAND(idx)					\
34 	UNIPHIER_CLK_FACTOR("nand-200m", -1, "spll", 1, 8),		\
35 	UNIPHIER_CLK_GATE("nand", (idx), "nand-200m", 0x2104, 2)
36 
37 #define UNIPHIER_PRO5_SYS_CLK_NAND(idx)					\
38 	UNIPHIER_CLK_FACTOR("nand-200m", -1, "spll", 1, 12),		\
39 	UNIPHIER_CLK_GATE("nand", (idx), "nand-200m", 0x2104, 2)
40 
41 #define UNIPHIER_LD11_SYS_CLK_NAND(idx)					\
42 	UNIPHIER_CLK_FACTOR("nand-200m", -1, "spll", 1, 10),		\
43 	UNIPHIER_CLK_GATE("nand", (idx), "nand-200m", 0x210c, 0)
44 
45 #define UNIPHIER_LD11_SYS_CLK_EMMC(idx)					\
46 	UNIPHIER_CLK_GATE("emmc", (idx), NULL, 0x210c, 2)
47 
48 #define UNIPHIER_SLD3_SYS_CLK_STDMAC(idx)				\
49 	UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x2104, 10)
50 
51 #define UNIPHIER_LD11_SYS_CLK_STDMAC(idx)				\
52 	UNIPHIER_CLK_GATE("stdmac", (idx), NULL, 0x210c, 8)
53 
54 #define UNIPHIER_PRO4_SYS_CLK_GIO(idx)					\
55 	UNIPHIER_CLK_GATE("gio", (idx), NULL, 0x2104, 6)
56 
57 #define UNIPHIER_PRO4_SYS_CLK_USB3(idx, ch)				\
58 	UNIPHIER_CLK_GATE("usb3" #ch, (idx), NULL, 0x2104, 16 + (ch))
59 
60 const struct uniphier_clk_data uniphier_sld3_sys_clk_data[] = {
61 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
62 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
63 	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
64 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
65 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
66 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
67 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
68 	UNIPHIER_SLD3_SYS_CLK_SD,
69 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
70 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),
71 	{ /* sentinel */ }
72 };
73 
74 const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
75 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
76 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
77 	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
78 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
79 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
80 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
81 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
82 	UNIPHIER_SLD3_SYS_CLK_SD,
83 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
84 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* Ether, HSC, MIO */
85 	{ /* sentinel */ }
86 };
87 
88 const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
89 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
90 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
91 	UNIPHIER_CLK_FACTOR("a2pll", -1, "upll", 256, 125),	/* 589.824 MHz */
92 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
93 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
94 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
95 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
96 	UNIPHIER_SLD3_SYS_CLK_SD,
97 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
98 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* HSC, MIO, RLE */
99 	UNIPHIER_PRO4_SYS_CLK_GIO(12),			/* Ether, SATA, USB3 */
100 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
101 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
102 	{ /* sentinel */ }
103 };
104 
105 const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
106 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
107 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
108 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
109 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
110 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
111 	UNIPHIER_SLD3_SYS_CLK_NAND(2),
112 	UNIPHIER_SLD3_SYS_CLK_SD,
113 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
114 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),		/* Ether, HSC, MIO */
115 	{ /* sentinel */ }
116 };
117 
118 const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
119 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 120, 1),		/* 2400 MHz */
120 	UNIPHIER_CLK_FACTOR("dapll1", -1, "ref", 128, 1),	/* 2560 MHz */
121 	UNIPHIER_CLK_FACTOR("dapll2", -1, "ref", 144, 125),	/* 2949.12 MHz */
122 	UNIPHIER_CLK_FACTOR("uart", 0, "dapll2", 1, 40),
123 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
124 	UNIPHIER_PRO5_SYS_CLK_NAND(2),
125 	UNIPHIER_PRO5_SYS_CLK_SD,
126 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),			/* HSC */
127 	UNIPHIER_PRO4_SYS_CLK_GIO(12),				/* PCIe, USB3 */
128 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
129 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
130 	{ /* sentinel */ }
131 };
132 
133 const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
134 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 96, 1),		/* 2400 MHz */
135 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 27),
136 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
137 	UNIPHIER_PRO5_SYS_CLK_NAND(2),
138 	UNIPHIER_PRO5_SYS_CLK_SD,
139 	UNIPHIER_SLD3_SYS_CLK_STDMAC(8),			/* HSC, RLE */
140 	/* GIO is always clock-enabled: no function for 0x2104 bit6 */
141 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
142 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
143 	/* The document mentions 0x2104 bit 18, but not functional */
144 	UNIPHIER_CLK_GATE("usb30-phy", 16, NULL, 0x2104, 19),
145 	UNIPHIER_CLK_GATE("usb31-phy", 20, NULL, 0x2104, 20),
146 	{ /* sentinel */ }
147 };
148 
149 const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
150 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 392, 5),		/* 1960 MHz */
151 	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* 1600 MHz */
152 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
153 	UNIPHIER_CLK_FACTOR("vspll", -1, "ref", 80, 1),		/* 2000 MHz */
154 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
155 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
156 	UNIPHIER_LD11_SYS_CLK_NAND(2),
157 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
158 	/* Index 5 reserved for eMMC PHY */
159 	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC, MIO */
160 	UNIPHIER_CLK_FACTOR("usb2", -1, "ref", 24, 25),
161 	/* CPU gears */
162 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
163 	UNIPHIER_CLK_DIV4("mpll", 2, 3, 4, 8),
164 	UNIPHIER_CLK_DIV3("spll", 3, 4, 8),
165 	/* Note: both gear1 and gear4 are spll/4.  This is not a bug. */
166 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
167 			     "cpll/2", "spll/4", "cpll/3", "spll/3",
168 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
169 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
170 			     "mpll/2", "spll/4", "mpll/3", "spll/3",
171 			     "spll/4", "spll/8", "mpll/4", "mpll/8"),
172 	{ /* sentinel */ }
173 };
174 
175 const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
176 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 88, 1),		/* ARM: 2200 MHz */
177 	UNIPHIER_CLK_FACTOR("gppll", -1, "ref", 52, 1),		/* Mali: 1300 MHz */
178 	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* Codec: 1600 MHz */
179 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
180 	UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1),		/* IPP: 2200 MHz */
181 	UNIPHIER_CLK_FACTOR("vppll", -1, "ref", 504, 5),	/* 2520 MHz */
182 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
183 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
184 	UNIPHIER_LD11_SYS_CLK_NAND(2),
185 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
186 	/* Index 5 reserved for eMMC PHY */
187 	UNIPHIER_LD20_SYS_CLK_SD,
188 	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC */
189 	/* GIO is always clock-enabled: no function for 0x210c bit5 */
190 	/*
191 	 * clock for USB Link is enabled by the logic "OR" of bit 14 and bit 15.
192 	 * We do not use bit 15 here.
193 	 */
194 	UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14),
195 	UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 12),
196 	UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 13),
197 	/* CPU gears */
198 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
199 	UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8),
200 	UNIPHIER_CLK_DIV4("s2pll", 2, 3, 4, 8),
201 	UNIPHIER_CLK_CPUGEAR("cpu-ca72", 32, 0x8000, 0xf, 8,
202 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
203 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
204 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
205 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
206 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
207 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
208 			     "s2pll/2", "spll/2", "s2pll/3", "spll/3",
209 			     "spll/4", "spll/8", "s2pll/4", "s2pll/8"),
210 	{ /* sentinel */ }
211 };
212