xref: /linux/drivers/clk/uniphier/clk-uniphier-sys.c (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2016 Socionext Inc.
4  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5  */
6 
7 #include <linux/stddef.h>
8 
9 #include "clk-uniphier.h"
10 
11 #define UNIPHIER_LD4_SYS_CLK_SD					\
12 	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 8),		\
13 	UNIPHIER_CLK_FACTOR("sd-133m", -1, "vpll27a", 1, 2)
14 
15 #define UNIPHIER_PRO5_SYS_CLK_SD					\
16 	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 12),		\
17 	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 18)
18 
19 #define UNIPHIER_LD20_SYS_CLK_SD					\
20 	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 10),		\
21 	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 15)
22 
23 #define UNIPHIER_LD4_SYS_CLK_NAND(idx)					\
24 	UNIPHIER_CLK_FACTOR("nand-50m", -1, "spll", 1, 32),		\
25 	UNIPHIER_CLK_GATE("nand", (idx), "nand-50m", 0x2104, 2)
26 
27 #define UNIPHIER_PRO5_SYS_CLK_NAND(idx)					\
28 	UNIPHIER_CLK_FACTOR("nand-50m", -1, "spll", 1, 48),		\
29 	UNIPHIER_CLK_GATE("nand", (idx), "nand-50m", 0x2104, 2)
30 
31 #define UNIPHIER_LD11_SYS_CLK_NAND(idx)					\
32 	UNIPHIER_CLK_FACTOR("nand-50m", -1, "spll", 1, 40),		\
33 	UNIPHIER_CLK_GATE("nand", (idx), "nand-50m", 0x210c, 0)
34 
35 #define UNIPHIER_SYS_CLK_NAND_4X(idx)					\
36 	UNIPHIER_CLK_FACTOR("nand-4x", (idx), "nand", 4, 1)
37 
38 #define UNIPHIER_LD11_SYS_CLK_EMMC(idx)					\
39 	UNIPHIER_CLK_GATE("emmc", (idx), NULL, 0x210c, 2)
40 
41 #define UNIPHIER_LD4_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_LD11_SYS_CLK_HSC(idx)					\
48 	UNIPHIER_CLK_GATE("hsc", (idx), NULL, 0x210c, 9)
49 
50 #define UNIPHIER_PRO4_SYS_CLK_GIO(idx)					\
51 	UNIPHIER_CLK_GATE("gio", (idx), NULL, 0x2104, 6)
52 
53 #define UNIPHIER_PRO4_SYS_CLK_USB3(idx, ch)				\
54 	UNIPHIER_CLK_GATE("usb3" #ch, (idx), NULL, 0x2104, 16 + (ch))
55 
56 #define UNIPHIER_PRO4_SYS_CLK_AIO(idx)					\
57 	UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 8),		\
58 	UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2104, 13)
59 
60 #define UNIPHIER_PRO5_SYS_CLK_AIO(idx)					\
61 	UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 12),		\
62 	UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2104, 13)
63 
64 #define UNIPHIER_LD11_SYS_CLK_AIO(idx)					\
65 	UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 10),		\
66 	UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2108, 0)
67 
68 #define UNIPHIER_LD11_SYS_CLK_EVEA(idx)					\
69 	UNIPHIER_CLK_FACTOR("evea-io100m", -1, "spll", 1, 20),		\
70 	UNIPHIER_CLK_GATE("evea", (idx), "evea-io100m", 0x2108, 1)
71 
72 #define UNIPHIER_LD11_SYS_CLK_EXIV(idx)					\
73 	UNIPHIER_CLK_FACTOR("exiv-io200m", -1, "spll", 1, 10),		\
74 	UNIPHIER_CLK_GATE("exiv", (idx), "exiv-io200m", 0x2110, 2)
75 
76 #define UNIPHIER_PRO4_SYS_CLK_ETHER(idx)				\
77 	UNIPHIER_CLK_GATE("ether", (idx), NULL, 0x2104, 12)
78 
79 #define UNIPHIER_LD11_SYS_CLK_ETHER(idx)				\
80 	UNIPHIER_CLK_GATE("ether", (idx), NULL, 0x210c, 6)
81 
82 const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
83 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 65, 1),		/* 1597.44 MHz */
84 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 6000, 512),	/* 288 MHz */
85 	UNIPHIER_CLK_FACTOR("a2pll", -1, "ref", 24, 1),		/* 589.824 MHz */
86 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
87 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
88 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
89 	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 32),
90 	UNIPHIER_LD4_SYS_CLK_NAND(2),
91 	UNIPHIER_SYS_CLK_NAND_4X(3),
92 	UNIPHIER_LD4_SYS_CLK_SD,
93 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
94 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),			/* Ether, HSC, MIO */
95 	{ /* sentinel */ }
96 };
97 
98 const struct uniphier_clk_data uniphier_pro4_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("a2pll", -1, "upll", 256, 125),	/* 589.824 MHz */
102 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
103 	UNIPHIER_CLK_FACTOR("gpll", -1, "ref", 10, 1),		/* 250 MHz */
104 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
105 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
106 	UNIPHIER_CLK_FACTOR("spi", 1, "spll", 1, 32),
107 	UNIPHIER_LD4_SYS_CLK_NAND(2),
108 	UNIPHIER_SYS_CLK_NAND_4X(3),
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_FACTOR("usb30-hsphy0", 16, "upll", 1, 12),
119 	UNIPHIER_CLK_FACTOR("usb30-ssphy0", 17, "ref", 1, 1),
120 	UNIPHIER_CLK_FACTOR("usb31-ssphy0", 20, "ref", 1, 1),
121 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x2104, 18),
122 	UNIPHIER_CLK_GATE("sata1", 29, NULL, 0x2104, 19),
123 	UNIPHIER_PRO4_SYS_CLK_AIO(40),
124 	{ /* sentinel */ }
125 };
126 
127 const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
128 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 64, 1),		/* 1600 MHz */
129 	UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25),	/* 288 MHz */
130 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
131 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
132 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
133 	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 32),
134 	UNIPHIER_LD4_SYS_CLK_NAND(2),
135 	UNIPHIER_SYS_CLK_NAND_4X(3),
136 	UNIPHIER_LD4_SYS_CLK_SD,
137 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
138 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),			/* Ether, HSC, MIO */
139 	{ /* sentinel */ }
140 };
141 
142 const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
143 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 120, 1),		/* 2400 MHz */
144 	UNIPHIER_CLK_FACTOR("dapll1", -1, "ref", 128, 1),	/* 2560 MHz */
145 	UNIPHIER_CLK_FACTOR("dapll2", -1, "dapll1", 144, 125),	/* 2949.12 MHz */
146 	UNIPHIER_CLK_FACTOR("uart", 0, "dapll2", 1, 40),
147 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
148 	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 48),
149 	UNIPHIER_PRO5_SYS_CLK_NAND(2),
150 	UNIPHIER_SYS_CLK_NAND_4X(3),
151 	UNIPHIER_PRO5_SYS_CLK_SD,
152 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),				/* HSC */
153 	UNIPHIER_PRO4_SYS_CLK_GIO(12),				/* PCIe, USB3 */
154 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
155 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
156 	UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x2108, 2),
157 	UNIPHIER_PRO5_SYS_CLK_AIO(40),
158 	{ /* sentinel */ }
159 };
160 
161 const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
162 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 96, 1),		/* 2400 MHz */
163 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 27),
164 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
165 	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 48),
166 	UNIPHIER_PRO5_SYS_CLK_NAND(2),
167 	UNIPHIER_SYS_CLK_NAND_4X(3),
168 	UNIPHIER_PRO5_SYS_CLK_SD,
169 	UNIPHIER_PRO4_SYS_CLK_ETHER(6),
170 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),				/* HSC, RLE */
171 	/* GIO is always clock-enabled: no function for 0x2104 bit6 */
172 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
173 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
174 	/* The document mentions 0x2104 bit 18, but not functional */
175 	UNIPHIER_CLK_GATE("usb30-hsphy0", 16, NULL, 0x2104, 19),
176 	UNIPHIER_CLK_FACTOR("usb30-ssphy0", 17, "ref", 1, 1),
177 	UNIPHIER_CLK_FACTOR("usb30-ssphy1", 18, "ref", 1, 1),
178 	UNIPHIER_CLK_GATE("usb31-hsphy0", 20, NULL, 0x2104, 20),
179 	UNIPHIER_CLK_FACTOR("usb31-ssphy0", 21, "ref", 1, 1),
180 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x2104, 22),
181 	UNIPHIER_PRO5_SYS_CLK_AIO(40),
182 	{ /* sentinel */ }
183 };
184 
185 const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
186 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 392, 5),		/* 1960 MHz */
187 	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* 1600 MHz */
188 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
189 	UNIPHIER_CLK_FACTOR("vspll", -1, "ref", 80, 1),		/* 2000 MHz */
190 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
191 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
192 	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
193 	UNIPHIER_LD11_SYS_CLK_NAND(2),
194 	UNIPHIER_SYS_CLK_NAND_4X(3),
195 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
196 	/* Index 5 reserved for eMMC PHY */
197 	UNIPHIER_LD11_SYS_CLK_ETHER(6),
198 	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC, MIO */
199 	UNIPHIER_LD11_SYS_CLK_HSC(9),
200 	UNIPHIER_CLK_FACTOR("usb2", -1, "ref", 24, 25),
201 	UNIPHIER_LD11_SYS_CLK_AIO(40),
202 	UNIPHIER_LD11_SYS_CLK_EVEA(41),
203 	UNIPHIER_LD11_SYS_CLK_EXIV(42),
204 	/* CPU gears */
205 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
206 	UNIPHIER_CLK_DIV4("mpll", 2, 3, 4, 8),
207 	UNIPHIER_CLK_DIV3("spll", 3, 4, 8),
208 	/* Note: both gear1 and gear4 are spll/4.  This is not a bug. */
209 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
210 			     "cpll/2", "spll/4", "cpll/3", "spll/3",
211 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
212 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
213 			     "mpll/2", "spll/4", "mpll/3", "spll/3",
214 			     "spll/4", "spll/8", "mpll/4", "mpll/8"),
215 	{ /* sentinel */ }
216 };
217 
218 const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
219 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 88, 1),		/* ARM: 2200 MHz */
220 	UNIPHIER_CLK_FACTOR("gppll", -1, "ref", 52, 1),		/* Mali: 1300 MHz */
221 	UNIPHIER_CLK_FACTOR("mpll", -1, "ref", 64, 1),		/* Codec: 1600 MHz */
222 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
223 	UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1),		/* IPP: 2200 MHz */
224 	UNIPHIER_CLK_FACTOR("vppll", -1, "ref", 504, 5),	/* 2520 MHz */
225 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
226 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
227 	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
228 	UNIPHIER_LD11_SYS_CLK_NAND(2),
229 	UNIPHIER_SYS_CLK_NAND_4X(3),
230 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
231 	/* Index 5 reserved for eMMC PHY */
232 	UNIPHIER_LD20_SYS_CLK_SD,
233 	UNIPHIER_LD11_SYS_CLK_ETHER(6),
234 	UNIPHIER_LD11_SYS_CLK_STDMAC(8),			/* HSC */
235 	UNIPHIER_LD11_SYS_CLK_HSC(9),
236 	/* GIO is always clock-enabled: no function for 0x210c bit5 */
237 	/*
238 	 * clock for USB Link is enabled by the logic "OR" of bit 14 and bit 15.
239 	 * We do not use bit 15 here.
240 	 */
241 	UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14),
242 	UNIPHIER_CLK_GATE("usb30-hsphy0", 16, NULL, 0x210c, 12),
243 	UNIPHIER_CLK_GATE("usb30-hsphy1", 17, NULL, 0x210c, 13),
244 	UNIPHIER_CLK_FACTOR("usb30-ssphy0", 18, "ref", 1, 1),
245 	UNIPHIER_CLK_FACTOR("usb30-ssphy1", 19, "ref", 1, 1),
246 	UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 4),
247 	UNIPHIER_LD11_SYS_CLK_AIO(40),
248 	UNIPHIER_LD11_SYS_CLK_EVEA(41),
249 	UNIPHIER_LD11_SYS_CLK_EXIV(42),
250 	/* CPU gears */
251 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
252 	UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8),
253 	UNIPHIER_CLK_DIV4("s2pll", 2, 3, 4, 8),
254 	UNIPHIER_CLK_CPUGEAR("cpu-ca72", 32, 0x8000, 0xf, 8,
255 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
256 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
257 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
258 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
259 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
260 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
261 			     "s2pll/2", "spll/2", "s2pll/3", "spll/3",
262 			     "spll/4", "spll/8", "s2pll/4", "s2pll/8"),
263 	{ /* sentinel */ }
264 };
265 
266 const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = {
267 	UNIPHIER_CLK_FACTOR("cpll", -1, "ref", 104, 1),		/* ARM: 2600 MHz */
268 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 80, 1),		/* 2000 MHz */
269 	UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1),		/* IPP: 2400 MHz */
270 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
271 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
272 	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
273 	UNIPHIER_LD20_SYS_CLK_SD,
274 	UNIPHIER_LD11_SYS_CLK_NAND(2),
275 	UNIPHIER_SYS_CLK_NAND_4X(3),
276 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
277 	UNIPHIER_CLK_GATE("ether0", 6, NULL, 0x210c, 9),
278 	UNIPHIER_CLK_GATE("ether1", 7, NULL, 0x210c, 10),
279 	UNIPHIER_CLK_GATE("usb30", 12, NULL, 0x210c, 4),	/* =GIO0 */
280 	UNIPHIER_CLK_GATE("usb31-0", 13, NULL, 0x210c, 5),	/* =GIO1 */
281 	UNIPHIER_CLK_GATE("usb31-1", 14, NULL, 0x210c, 6),	/* =GIO1-1 */
282 	UNIPHIER_CLK_GATE("usb30-hsphy0", 16, NULL, 0x210c, 16),
283 	UNIPHIER_CLK_GATE("usb30-ssphy0", 17, NULL, 0x210c, 18),
284 	UNIPHIER_CLK_GATE("usb30-ssphy1", 18, NULL, 0x210c, 20),
285 	UNIPHIER_CLK_GATE("usb31-hsphy0", 20, NULL, 0x210c, 17),
286 	UNIPHIER_CLK_GATE("usb31-ssphy0", 21, NULL, 0x210c, 19),
287 	UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 3),
288 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x210c, 7),
289 	UNIPHIER_CLK_GATE("sata1", 29, NULL, 0x210c, 8),
290 	UNIPHIER_CLK_GATE("sata-phy", 30, NULL, 0x210c, 21),
291 	/* CPU gears */
292 	UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8),
293 	UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8),
294 	UNIPHIER_CLK_DIV4("s2pll", 2, 3, 4, 8),
295 	UNIPHIER_CLK_CPUGEAR("cpu-ca53", 33, 0x8080, 0xf, 8,
296 			     "cpll/2", "spll/2", "cpll/3", "spll/3",
297 			     "spll/4", "spll/8", "cpll/4", "cpll/8"),
298 	UNIPHIER_CLK_CPUGEAR("cpu-ipp", 34, 0x8100, 0xf, 8,
299 			     "s2pll/2", "spll/2", "s2pll/3", "spll/3",
300 			     "spll/4", "spll/8", "s2pll/4", "s2pll/8"),
301 	{ /* sentinel */ }
302 };
303