xref: /openbmc/linux/drivers/clk/uniphier/clk-uniphier-sys.c (revision ca90578000afb0d8f177ea36f7259a9c3640cf49)
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_LD4_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_LD4_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_LD4_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 #define UNIPHIER_PRO4_SYS_CLK_AIO(idx)					\
61 	UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 8),		\
62 	UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2104, 13)
63 
64 #define UNIPHIER_PRO5_SYS_CLK_AIO(idx)					\
65 	UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 12),		\
66 	UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2104, 13)
67 
68 #define UNIPHIER_LD11_SYS_CLK_AIO(idx)					\
69 	UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 10),		\
70 	UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2108, 0)
71 
72 #define UNIPHIER_LD11_SYS_CLK_EVEA(idx)					\
73 	UNIPHIER_CLK_FACTOR("evea-io100m", -1, "spll", 1, 20),		\
74 	UNIPHIER_CLK_GATE("evea", (idx), "evea-io100m", 0x2108, 1)
75 
76 #define UNIPHIER_LD11_SYS_CLK_EXIV(idx)					\
77 	UNIPHIER_CLK_FACTOR("exiv-io200m", -1, "spll", 1, 10),		\
78 	UNIPHIER_CLK_GATE("exiv", (idx), "exiv-io200m", 0x2110, 2)
79 
80 #define UNIPHIER_PRO4_SYS_CLK_ETHER(idx)				\
81 	UNIPHIER_CLK_GATE("ether", (idx), NULL, 0x2104, 12)
82 
83 #define UNIPHIER_LD11_SYS_CLK_ETHER(idx)				\
84 	UNIPHIER_CLK_GATE("ether", (idx), NULL, 0x210c, 6)
85 
86 const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
87 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
88 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
89 	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
90 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
91 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
92 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
93 	UNIPHIER_LD4_SYS_CLK_NAND(2),
94 	UNIPHIER_LD4_SYS_CLK_SD,
95 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
96 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),			/* Ether, HSC, MIO */
97 	{ /* sentinel */ }
98 };
99 
100 const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
101 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
102 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
103 	UNIPHIER_CLK_FACTOR("a2pll", -1, "upll", 256, 125),	/* 589.824 MHz */
104 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
105 	UNIPHIER_CLK_FACTOR("gpll", -1, "ref", 10, 1),		/* 250 MHz */
106 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
107 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
108 	UNIPHIER_LD4_SYS_CLK_NAND(2),
109 	UNIPHIER_LD4_SYS_CLK_SD,
110 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
111 	UNIPHIER_PRO4_SYS_CLK_ETHER(6),
112 	UNIPHIER_CLK_GATE("ether-gb", 7, "gpll", 0x2104, 5),
113 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),			/* HSC, MIO, RLE */
114 	UNIPHIER_CLK_GATE("ether-phy", 10, "ref", 0x2260, 0),
115 	UNIPHIER_PRO4_SYS_CLK_GIO(12),			/* Ether, SATA, USB3 */
116 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
117 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
118 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x2104, 18),
119 	UNIPHIER_CLK_GATE("sata1", 29, NULL, 0x2104, 19),
120 	UNIPHIER_PRO4_SYS_CLK_AIO(40),
121 	{ /* sentinel */ }
122 };
123 
124 const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
125 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
126 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
127 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
128 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
129 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
130 	UNIPHIER_LD4_SYS_CLK_NAND(2),
131 	UNIPHIER_LD4_SYS_CLK_SD,
132 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
133 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),			/* Ether, HSC, MIO */
134 	{ /* sentinel */ }
135 };
136 
137 const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
138 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 120, 1),		/* 2400 MHz */
139 	UNIPHIER_CLK_FACTOR("dapll1", -1, "ref", 128, 1),	/* 2560 MHz */
140 	UNIPHIER_CLK_FACTOR("dapll2", -1, "dapll1", 144, 125),	/* 2949.12 MHz */
141 	UNIPHIER_CLK_FACTOR("uart", 0, "dapll2", 1, 40),
142 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
143 	UNIPHIER_PRO5_SYS_CLK_NAND(2),
144 	UNIPHIER_PRO5_SYS_CLK_SD,
145 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),				/* HSC */
146 	UNIPHIER_PRO4_SYS_CLK_GIO(12),				/* PCIe, USB3 */
147 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
148 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
149 	UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x2108, 2),
150 	UNIPHIER_PRO5_SYS_CLK_AIO(40),
151 	{ /* sentinel */ }
152 };
153 
154 const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
155 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 96, 1),		/* 2400 MHz */
156 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 27),
157 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
158 	UNIPHIER_PRO5_SYS_CLK_NAND(2),
159 	UNIPHIER_PRO5_SYS_CLK_SD,
160 	UNIPHIER_PRO4_SYS_CLK_ETHER(6),
161 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),				/* HSC, RLE */
162 	/* GIO is always clock-enabled: no function for 0x2104 bit6 */
163 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
164 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
165 	/* The document mentions 0x2104 bit 18, but not functional */
166 	UNIPHIER_CLK_GATE("usb30-phy", 16, NULL, 0x2104, 19),
167 	UNIPHIER_CLK_GATE("usb31-phy", 20, NULL, 0x2104, 20),
168 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x2104, 22),
169 	UNIPHIER_PRO5_SYS_CLK_AIO(40),
170 	{ /* sentinel */ }
171 };
172 
173 const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
174 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 392, 5),		/* 1960 MHz */
175 	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* 1600 MHz */
176 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
177 	UNIPHIER_CLK_FACTOR("vspll", -1, "ref", 80, 1),		/* 2000 MHz */
178 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
179 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
180 	UNIPHIER_LD11_SYS_CLK_NAND(2),
181 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
182 	/* Index 5 reserved for eMMC PHY */
183 	UNIPHIER_LD11_SYS_CLK_ETHER(6),
184 	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC, MIO */
185 	UNIPHIER_CLK_FACTOR("usb2", -1, "ref", 24, 25),
186 	UNIPHIER_LD11_SYS_CLK_AIO(40),
187 	UNIPHIER_LD11_SYS_CLK_EVEA(41),
188 	UNIPHIER_LD11_SYS_CLK_EXIV(42),
189 	/* CPU gears */
190 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
191 	UNIPHIER_CLK_DIV4("mpll", 2, 3, 4, 8),
192 	UNIPHIER_CLK_DIV3("spll", 3, 4, 8),
193 	/* Note: both gear1 and gear4 are spll/4.  This is not a bug. */
194 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
195 			     "cpll/2", "spll/4", "cpll/3", "spll/3",
196 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
197 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
198 			     "mpll/2", "spll/4", "mpll/3", "spll/3",
199 			     "spll/4", "spll/8", "mpll/4", "mpll/8"),
200 	{ /* sentinel */ }
201 };
202 
203 const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
204 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 88, 1),		/* ARM: 2200 MHz */
205 	UNIPHIER_CLK_FACTOR("gppll", -1, "ref", 52, 1),		/* Mali: 1300 MHz */
206 	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* Codec: 1600 MHz */
207 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
208 	UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1),		/* IPP: 2200 MHz */
209 	UNIPHIER_CLK_FACTOR("vppll", -1, "ref", 504, 5),	/* 2520 MHz */
210 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
211 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
212 	UNIPHIER_LD11_SYS_CLK_NAND(2),
213 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
214 	/* Index 5 reserved for eMMC PHY */
215 	UNIPHIER_LD20_SYS_CLK_SD,
216 	UNIPHIER_LD11_SYS_CLK_ETHER(6),
217 	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC */
218 	/* GIO is always clock-enabled: no function for 0x210c bit5 */
219 	/*
220 	 * clock for USB Link is enabled by the logic "OR" of bit 14 and bit 15.
221 	 * We do not use bit 15 here.
222 	 */
223 	UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14),
224 	UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 12),
225 	UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 13),
226 	UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 4),
227 	UNIPHIER_LD11_SYS_CLK_AIO(40),
228 	UNIPHIER_LD11_SYS_CLK_EVEA(41),
229 	UNIPHIER_LD11_SYS_CLK_EXIV(42),
230 	/* CPU gears */
231 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
232 	UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8),
233 	UNIPHIER_CLK_DIV4("s2pll", 2, 3, 4, 8),
234 	UNIPHIER_CLK_CPUGEAR("cpu-ca72", 32, 0x8000, 0xf, 8,
235 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
236 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
237 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
238 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
239 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
240 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
241 			     "s2pll/2", "spll/2", "s2pll/3", "spll/3",
242 			     "spll/4", "spll/8", "s2pll/4", "s2pll/8"),
243 	{ /* sentinel */ }
244 };
245 
246 const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = {
247 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 104, 1),		/* ARM: 2600 MHz */
248 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
249 	UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1),		/* IPP: 2400 MHz */
250 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
251 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
252 	UNIPHIER_LD20_SYS_CLK_SD,
253 	UNIPHIER_LD11_SYS_CLK_NAND(2),
254 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
255 	UNIPHIER_CLK_GATE("ether0", 6, NULL, 0x210c, 9),
256 	UNIPHIER_CLK_GATE("ether1", 7, NULL, 0x210c, 10),
257 	UNIPHIER_CLK_GATE("usb30", 12, NULL, 0x210c, 4),	/* =GIO0 */
258 	UNIPHIER_CLK_GATE("usb31-0", 13, NULL, 0x210c, 5),	/* =GIO1 */
259 	UNIPHIER_CLK_GATE("usb31-1", 14, NULL, 0x210c, 6),	/* =GIO1-1 */
260 	UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 16),
261 	UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 18),
262 	UNIPHIER_CLK_GATE("usb30-phy2", 18, NULL, 0x210c, 20),
263 	UNIPHIER_CLK_GATE("usb31-phy0", 20, NULL, 0x210c, 17),
264 	UNIPHIER_CLK_GATE("usb31-phy1", 21, NULL, 0x210c, 19),
265 	UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 3),
266 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x210c, 7),
267 	UNIPHIER_CLK_GATE("sata1", 29, NULL, 0x210c, 8),
268 	UNIPHIER_CLK_GATE("sata-phy", 30, NULL, 0x210c, 21),
269 	/* CPU gears */
270 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
271 	UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8),
272 	UNIPHIER_CLK_DIV4("s2pll", 2, 3, 4, 8),
273 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
274 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
275 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
276 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
277 			     "s2pll/2", "spll/2", "s2pll/3", "spll/3",
278 			     "spll/4", "spll/8", "s2pll/4", "s2pll/8"),
279 	{ /* sentinel */ }
280 };
281