1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2020 Yangtao Li <frank@allwinnertech.com>
4  */
5 
6 #include <linux/clk-provider.h>
7 #include <linux/io.h>
8 #include <linux/module.h>
9 #include <linux/of_address.h>
10 #include <linux/platform_device.h>
11 
12 #include "ccu_common.h"
13 #include "ccu_reset.h"
14 
15 #include "ccu_div.h"
16 #include "ccu_gate.h"
17 #include "ccu_mp.h"
18 #include "ccu_mult.h"
19 #include "ccu_nk.h"
20 #include "ccu_nkm.h"
21 #include "ccu_nkmp.h"
22 #include "ccu_nm.h"
23 
24 #include "ccu-sun50i-a100.h"
25 
26 #define SUN50I_A100_PLL_SDM_ENABLE		BIT(24)
27 #define SUN50I_A100_PLL_OUTPUT_ENABLE		BIT(27)
28 #define SUN50I_A100_PLL_LOCK			BIT(28)
29 #define SUN50I_A100_PLL_LOCK_ENABLE		BIT(29)
30 #define SUN50I_A100_PLL_ENABLE			BIT(31)
31 
32 #define SUN50I_A100_PLL_PERIPH1_PATTERN0	0xd1303333
33 
34 /*
35  * The CPU PLL is actually NP clock, with P being /1, /2 or /4. However
36  * P should only be used for output frequencies lower than 288 MHz.
37  *
38  * For now we can just model it as a multiplier clock, and force P to /1.
39  *
40  * The M factor is present in the register's description, but not in the
41  * frequency formula, and it's documented as "M is only used for backdoor
42  * testing", so it's not modelled and then force to 0.
43  */
44 #define SUN50I_A100_PLL_CPUX_REG		0x000
45 static struct ccu_mult pll_cpux_clk = {
46 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
47 	.lock		= SUN50I_A100_PLL_LOCK,
48 	.mult		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
49 	.common		= {
50 		.reg		= 0x000,
51 		.hw.init	= CLK_HW_INIT("pll-cpux", "dcxo24M",
52 					      &ccu_mult_ops,
53 					      CLK_SET_RATE_UNGATE),
54 	},
55 };
56 
57 /* Some PLLs are input * N / div1 / P. Model them as NKMP with no K */
58 #define SUN50I_A100_PLL_DDR0_REG		0x010
59 static struct ccu_nkmp pll_ddr0_clk = {
60 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
61 	.lock		= SUN50I_A100_PLL_LOCK,
62 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
63 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
64 	.p		= _SUNXI_CCU_DIV(0, 1), /* output divider */
65 	.common		= {
66 		.reg		= 0x010,
67 		.hw.init	= CLK_HW_INIT("pll-ddr0", "dcxo24M",
68 					      &ccu_nkmp_ops,
69 					      CLK_SET_RATE_UNGATE |
70 					      CLK_IS_CRITICAL),
71 	},
72 };
73 
74 #define SUN50I_A100_PLL_PERIPH0_REG	0x020
75 static struct ccu_nkmp pll_periph0_clk = {
76 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
77 	.lock		= SUN50I_A100_PLL_LOCK,
78 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
79 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
80 	.p		= _SUNXI_CCU_DIV(0, 1), /* output divider */
81 	.fixed_post_div	= 2,
82 	.common		= {
83 		.reg		= 0x020,
84 		.features	= CCU_FEATURE_FIXED_POSTDIV,
85 		.hw.init	= CLK_HW_INIT("pll-periph0", "dcxo24M",
86 					      &ccu_nkmp_ops,
87 					      CLK_SET_RATE_UNGATE),
88 	},
89 };
90 
91 #define SUN50I_A100_PLL_PERIPH1_REG	0x028
92 static struct ccu_nkmp pll_periph1_clk = {
93 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
94 	.lock		= SUN50I_A100_PLL_LOCK,
95 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
96 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
97 	.p		= _SUNXI_CCU_DIV(0, 1), /* output divider */
98 	.fixed_post_div	= 2,
99 	.common		= {
100 		.reg		= 0x028,
101 		.features	= CCU_FEATURE_FIXED_POSTDIV,
102 		.hw.init	= CLK_HW_INIT("pll-periph1", "dcxo24M",
103 					      &ccu_nkmp_ops,
104 					      CLK_SET_RATE_UNGATE),
105 	},
106 };
107 #define SUN50I_A100_PLL_PERIPH1_PATTERN0_REG	0x128
108 
109 #define SUN50I_A100_PLL_GPU_REG		0x030
110 static struct ccu_nkmp pll_gpu_clk = {
111 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
112 	.lock		= SUN50I_A100_PLL_LOCK,
113 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
114 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
115 	.p		= _SUNXI_CCU_DIV(0, 1), /* output divider */
116 	.common		= {
117 		.reg		= 0x030,
118 		.hw.init	= CLK_HW_INIT("pll-gpu", "dcxo24M",
119 					      &ccu_nkmp_ops,
120 					      CLK_SET_RATE_UNGATE),
121 	},
122 };
123 
124 /*
125  * For Video PLLs, the output divider is described as "used for testing"
126  * in the user manual. So it's not modelled and forced to 0.
127  */
128 #define SUN50I_A100_PLL_VIDEO0_REG	0x040
129 static struct ccu_nm pll_video0_clk = {
130 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
131 	.lock		= SUN50I_A100_PLL_LOCK,
132 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
133 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
134 	.fixed_post_div	= 4,
135 	.common		= {
136 		.reg		= 0x040,
137 		.features	= CCU_FEATURE_FIXED_POSTDIV,
138 		.hw.init	= CLK_HW_INIT("pll-video0", "dcxo24M",
139 					      &ccu_nm_ops,
140 					      CLK_SET_RATE_UNGATE),
141 	},
142 };
143 
144 #define SUN50I_A100_PLL_VIDEO1_REG	0x048
145 static struct ccu_nm pll_video1_clk = {
146 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
147 	.lock		= SUN50I_A100_PLL_LOCK,
148 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
149 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
150 	.fixed_post_div	= 4,
151 	.common		= {
152 		.reg		= 0x048,
153 		.features	= CCU_FEATURE_FIXED_POSTDIV,
154 		.hw.init	= CLK_HW_INIT("pll-video1", "dcxo24M",
155 					      &ccu_nm_ops,
156 					      CLK_SET_RATE_UNGATE),
157 	},
158 };
159 
160 #define SUN50I_A100_PLL_VIDEO2_REG	0x050
161 static struct ccu_nm pll_video2_clk = {
162 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
163 	.lock		= SUN50I_A100_PLL_LOCK,
164 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
165 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
166 	.fixed_post_div	= 4,
167 	.common		= {
168 		.reg		= 0x050,
169 		.features	= CCU_FEATURE_FIXED_POSTDIV,
170 		.hw.init	= CLK_HW_INIT("pll-video2", "dcxo24M",
171 					      &ccu_nm_ops,
172 					      CLK_SET_RATE_UNGATE),
173 	},
174 };
175 
176 #define SUN50I_A100_PLL_VE_REG		0x058
177 static struct ccu_nkmp pll_ve_clk = {
178 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
179 	.lock		= SUN50I_A100_PLL_LOCK,
180 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
181 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
182 	.p		= _SUNXI_CCU_DIV(0, 1), /* output divider */
183 	.common		= {
184 		.reg		= 0x058,
185 		.hw.init	= CLK_HW_INIT("pll-ve", "dcxo24M",
186 					      &ccu_nkmp_ops,
187 					      CLK_SET_RATE_UNGATE),
188 	},
189 };
190 
191 /*
192  * The COM PLL has m0 dividers in addition to the usual N, M
193  * factors. Since we only need 1 frequencies from this PLL: 45.1584 MHz,
194  * ignore it for now.
195  */
196 #define SUN50I_A100_PLL_COM_REG		0x060
197 static struct ccu_sdm_setting pll_com_sdm_table[] = {
198 	{ .rate = 451584000, .pattern = 0xc0014396, .m = 2, .n = 37 },
199 };
200 
201 static struct ccu_nm pll_com_clk = {
202 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
203 	.lock		= SUN50I_A100_PLL_LOCK,
204 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
205 	.m		= _SUNXI_CCU_DIV(0, 1),
206 	.sdm		= _SUNXI_CCU_SDM(pll_com_sdm_table, BIT(24),
207 					 0x160, BIT(31)),
208 	.common		= {
209 		.reg		= 0x060,
210 		.features	= CCU_FEATURE_SIGMA_DELTA_MOD,
211 		.hw.init	= CLK_HW_INIT("pll-com", "dcxo24M",
212 					      &ccu_nm_ops,
213 					      CLK_SET_RATE_UNGATE),
214 	},
215 };
216 
217 #define SUN50I_A100_PLL_VIDEO3_REG	0x068
218 static struct ccu_nm pll_video3_clk = {
219 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
220 	.lock		= SUN50I_A100_PLL_LOCK,
221 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
222 	.m		= _SUNXI_CCU_DIV(1, 1), /* input divider */
223 	.fixed_post_div	= 4,
224 	.common		= {
225 		.reg		= 0x068,
226 		.features	= CCU_FEATURE_FIXED_POSTDIV,
227 		.hw.init	= CLK_HW_INIT("pll-video3", "dcxo24M",
228 					      &ccu_nm_ops,
229 					      CLK_SET_RATE_UNGATE),
230 	},
231 };
232 
233 /*
234  * The Audio PLL has m0, m1 dividers in addition to the usual N, M
235  * factors. Since we only need 4 frequencies from this PLL: 22.5792 MHz,
236  * 24.576 MHz, 90.3168MHz and 98.304MHz ignore them for now.
237  * Enforce the default for them, which is m0 = 1, m1 = 0.
238  */
239 #define SUN50I_A100_PLL_AUDIO_REG		0x078
240 static struct ccu_sdm_setting pll_audio_sdm_table[] = {
241 	{ .rate = 45158400, .pattern = 0xc001bcd3, .m = 18, .n = 33 },
242 	{ .rate = 49152000, .pattern = 0xc001eb85, .m = 20, .n = 40 },
243 	{ .rate = 180633600, .pattern = 0xc001288d, .m = 3, .n = 22 },
244 	{ .rate = 196608000, .pattern = 0xc001eb85, .m = 5, .n = 40 },
245 };
246 
247 static struct ccu_nm pll_audio_clk = {
248 	.enable		= SUN50I_A100_PLL_OUTPUT_ENABLE,
249 	.lock		= SUN50I_A100_PLL_LOCK,
250 	.n		= _SUNXI_CCU_MULT_MIN(8, 8, 12),
251 	.m		= _SUNXI_CCU_DIV(16, 6),
252 	.fixed_post_div	= 2,
253 	.sdm		= _SUNXI_CCU_SDM(pll_audio_sdm_table, BIT(24),
254 					 0x178, BIT(31)),
255 	.common		= {
256 		.reg		= 0x078,
257 		.features	= CCU_FEATURE_FIXED_POSTDIV |
258 				  CCU_FEATURE_SIGMA_DELTA_MOD,
259 		.hw.init	= CLK_HW_INIT("pll-audio", "dcxo24M",
260 					      &ccu_nm_ops,
261 					      CLK_SET_RATE_UNGATE),
262 	},
263 };
264 
265 static const char * const cpux_parents[] = { "dcxo24M", "osc32k",
266 					     "iosc", "pll-cpux",
267 					      "pll-periph0" };
268 static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
269 		     0x500, 24, 3, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
270 static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x500, 0, 2, 0);
271 static SUNXI_CCU_M(cpux_apb_clk, "cpux-apb", "cpux", 0x500, 8, 2, 0);
272 
273 static const char * const psi_ahb1_ahb2_parents[] = { "dcxo24M", "osc32k",
274 						      "iosc", "pll-periph0",
275 						      "pll-periph0-2x" };
276 static SUNXI_CCU_MP_WITH_MUX(psi_ahb1_ahb2_clk, "psi-ahb1-ahb2",
277 			     psi_ahb1_ahb2_parents, 0x510,
278 			     0, 2,	/* M */
279 			     8, 2,	/* P */
280 			     24, 3,	/* mux */
281 			     0);
282 
283 static const char * const ahb3_apb1_apb2_parents[] = { "dcxo24M", "osc32k",
284 						       "psi-ahb1-ahb2",
285 						       "pll-periph0",
286 						       "pll-periph0-2x" };
287 static SUNXI_CCU_MP_WITH_MUX(ahb3_clk, "ahb3", ahb3_apb1_apb2_parents, 0x51c,
288 			     0, 2,	/* M */
289 			     8, 2,	/* P */
290 			     24, 3,	/* mux */
291 			     0);
292 
293 static SUNXI_CCU_MP_WITH_MUX(apb1_clk, "apb1", ahb3_apb1_apb2_parents, 0x520,
294 			     0, 2,	/* M */
295 			     8, 2,	/* P */
296 			     24, 3,	/* mux */
297 			     0);
298 
299 static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", ahb3_apb1_apb2_parents, 0x524,
300 			     0, 2,	/* M */
301 			     8, 2,	/* P */
302 			     24, 3,	/* mux */
303 			     0);
304 
305 static const char * const mbus_parents[] = { "dcxo24M", "pll-ddr0",
306 					     "pll-periph0",
307 					     "pll-periph0-2x" };
308 static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x540,
309 				 0, 3,		/* M */
310 				 24, 2,		/* mux */
311 				 BIT(31),	/* gate */
312 				 CLK_IS_CRITICAL);
313 
314 static const char * const de_parents[] = { "pll-com", "pll-periph0-2x" };
315 static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de0", de_parents, 0x600,
316 				 0, 4,		/* M */
317 				 24, 1,		/* mux */
318 				 BIT(31),	/* gate */
319 				 CLK_SET_RATE_PARENT);
320 
321 static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "psi-ahb1-ahb2",
322 		      0x60c, BIT(0), 0);
323 
324 static const char * const g2d_parents[] = { "pll-com", "pll-periph0-2x",
325 					     "pll-video0-2x", "pll-video1-2x",
326 					     "pll-video2-2x"};
327 static SUNXI_CCU_M_WITH_MUX_GATE(g2d_clk, "g2d",
328 				 g2d_parents,
329 				 0x630,
330 				 0, 4,		/* M */
331 				 24, 3,		/* mux */
332 				 BIT(31),	/* gate */
333 				 0);
334 
335 static SUNXI_CCU_GATE(bus_g2d_clk, "bus-g2d", "psi-ahb1-ahb2",
336 		      0x63c, BIT(0), 0);
337 
338 static const char * const gpu_parents[] = { "pll-gpu" };
339 static SUNXI_CCU_M_WITH_MUX_GATE(gpu_clk, "gpu", gpu_parents, 0x670,
340 				       0, 2,	/* M */
341 				       24, 1,	/* mux */
342 				       BIT(31),	/* gate */
343 				       0);
344 
345 static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "psi-ahb1-ahb2",
346 		      0x67c, BIT(0), 0);
347 
348 static const char * const ce_parents[] = { "dcxo24M", "pll-periph0-2x" };
349 static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_parents, 0x680,
350 				  0, 4,		/* M */
351 				  8, 2,		/* P */
352 				  24, 1,	/* mux */
353 				  BIT(31),	/* gate */
354 				  0);
355 
356 static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "psi-ahb1-ahb2",
357 		      0x68c, BIT(0), 0);
358 
359 static const char * const ve_parents[] = { "pll-ve" };
360 static SUNXI_CCU_M_WITH_MUX_GATE(ve_clk, "ve", ve_parents, 0x690,
361 				 0, 3,		/* M */
362 				 24, 1,		/* mux */
363 				 BIT(31),	/* gate */
364 				 CLK_SET_RATE_PARENT);
365 
366 static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "psi-ahb1-ahb2",
367 		      0x69c, BIT(0), 0);
368 
369 static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "psi-ahb1-ahb2",
370 		      0x70c, BIT(0), 0);
371 
372 static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "psi-ahb1-ahb2",
373 		      0x71c, BIT(0), 0);
374 
375 static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "psi-ahb1-ahb2",
376 		      0x72c, BIT(0), 0);
377 
378 static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "psi-ahb1-ahb2",
379 		      0x73c, BIT(0), 0);
380 
381 static SUNXI_CCU_GATE(avs_clk, "avs", "dcxo24M", 0x740, BIT(31), 0);
382 
383 static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "psi-ahb1-ahb2",
384 		      0x78c, BIT(0), 0);
385 
386 static SUNXI_CCU_GATE(bus_psi_clk, "bus-psi", "psi-ahb1-ahb2",
387 		      0x79c, BIT(0), 0);
388 
389 static SUNXI_CCU_GATE(bus_pwm_clk, "bus-pwm", "apb1", 0x7ac, BIT(0), 0);
390 
391 static SUNXI_CCU_GATE(bus_iommu_clk, "bus-iommu", "apb1", 0x7bc, BIT(0), 0);
392 
393 static SUNXI_CCU_GATE(mbus_dma_clk, "mbus-dma", "mbus",
394 		      0x804, BIT(0), 0);
395 static SUNXI_CCU_GATE(mbus_ve_clk, "mbus-ve", "mbus",
396 		      0x804, BIT(1), 0);
397 static SUNXI_CCU_GATE(mbus_ce_clk, "mbus-ce", "mbus",
398 		      0x804, BIT(2), 0);
399 static SUNXI_CCU_GATE(mbus_nand_clk, "mbus-nand", "mbus",
400 		      0x804, BIT(5), 0);
401 static SUNXI_CCU_GATE(mbus_csi_clk, "mbus-csi", "mbus",
402 		      0x804, BIT(8), 0);
403 static SUNXI_CCU_GATE(mbus_isp_clk, "mbus-isp", "mbus",
404 		      0x804, BIT(9), 0);
405 static SUNXI_CCU_GATE(mbus_g2d_clk, "mbus-g2d", "mbus",
406 		      0x804, BIT(10), 0);
407 
408 static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "psi-ahb1-ahb2",
409 		      0x80c, BIT(0), CLK_IS_CRITICAL);
410 
411 static const char * const nand_spi_parents[] = { "dcxo24M",
412 						 "pll-periph0",
413 						 "pll-periph1",
414 						 "pll-periph0-2x",
415 						 "pll-periph1-2x" };
416 static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_clk, "nand0", nand_spi_parents, 0x810,
417 				  0, 4,		/* M */
418 				  8, 2,		/* P */
419 				  24, 3,	/* mux */
420 				  BIT(31),	/* gate */
421 				  0);
422 
423 static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_clk, "nand1", nand_spi_parents, 0x814,
424 				  0, 4,		/* M */
425 				  8, 2,		/* P */
426 				  24, 3,	/* mux */
427 				  BIT(31),	/* gate */
428 				  0);
429 
430 static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb3", 0x82c, BIT(0), 0);
431 
432 static const char * const mmc_parents[] = { "dcxo24M", "pll-periph0-2x",
433 					    "pll-periph1-2x" };
434 static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0", mmc_parents, 0x830,
435 					  0, 4,		/* M */
436 					  8, 2,		/* P */
437 					  24, 2,	/* mux */
438 					  BIT(31),	/* gate */
439 					  2,		/* post-div */
440 					  CLK_SET_RATE_NO_REPARENT);
441 
442 static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", mmc_parents, 0x834,
443 					  0, 4,		/* M */
444 					  8, 2,		/* P */
445 					  24, 2,	/* mux */
446 					  BIT(31),	/* gate */
447 					  2,		/* post-div */
448 					  CLK_SET_RATE_NO_REPARENT);
449 
450 static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2", mmc_parents, 0x838,
451 					  0, 4,		/* M */
452 					  8, 2,		/* P */
453 					  24, 2,	/* mux */
454 					  BIT(31),	/* gate */
455 					  2,		/* post-div */
456 					  CLK_SET_RATE_NO_REPARENT);
457 
458 static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb3", 0x84c, BIT(0), 0);
459 static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb3", 0x84c, BIT(1), 0);
460 static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb3", 0x84c, BIT(2), 0);
461 
462 static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 0x90c, BIT(0), 0);
463 static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 0x90c, BIT(1), 0);
464 static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", 0x90c, BIT(2), 0);
465 static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", 0x90c, BIT(3), 0);
466 static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2", 0x90c, BIT(4), 0);
467 
468 static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 0x91c, BIT(0), 0);
469 static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 0x91c, BIT(1), 0);
470 static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", 0x91c, BIT(2), 0);
471 static SUNXI_CCU_GATE(bus_i2c3_clk, "bus-i2c3", "apb2", 0x91c, BIT(3), 0);
472 
473 static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", nand_spi_parents, 0x940,
474 				  0, 4,		/* M */
475 				  8, 2,		/* P */
476 				  24, 3,	/* mux */
477 				  BIT(31),	/* gate */
478 				  0);
479 
480 static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", nand_spi_parents, 0x944,
481 				  0, 4,		/* M */
482 				  8, 2,		/* P */
483 				  24, 3,	/* mux */
484 				  BIT(31),	/* gate */
485 				  0);
486 
487 static SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", nand_spi_parents, 0x948,
488 				  0, 4,		/* M */
489 				  8, 2,		/* P */
490 				  24, 3,	/* mux */
491 				  BIT(31),	/* gate */
492 				  0);
493 
494 static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb3", 0x96c, BIT(0), 0);
495 static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb3", 0x96c, BIT(1), 0);
496 static SUNXI_CCU_GATE(bus_spi2_clk, "bus-spi2", "ahb3", 0x96c, BIT(2), 0);
497 
498 static SUNXI_CCU_GATE(emac_25m_clk, "emac-25m", "ahb3", 0x970,
499 		      BIT(31) | BIT(30), 0);
500 
501 static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb3", 0x97c, BIT(0), 0);
502 
503 static const char * const ir_parents[] = { "osc32k", "iosc",
504 					   "pll-periph0", "pll-periph1" };
505 static SUNXI_CCU_MP_WITH_MUX_GATE(ir_rx_clk, "ir-rx", ir_parents, 0x990,
506 				  0, 4,		/* M */
507 				  8, 2,		/* P */
508 				  24, 3,	/* mux */
509 				  BIT(31),	/* gate */
510 				  0);
511 
512 static SUNXI_CCU_GATE(bus_ir_rx_clk, "bus-ir-rx", "ahb3", 0x99c, BIT(0), 0);
513 
514 static SUNXI_CCU_MP_WITH_MUX_GATE(ir_tx_clk, "ir-tx", ir_parents, 0x9c0,
515 				  0, 4,		/* M */
516 				  8, 2,		/* P */
517 				  24, 3,	/* mux */
518 				  BIT(31),	/* gate */
519 				  0);
520 
521 static SUNXI_CCU_GATE(bus_ir_tx_clk, "bus-ir-tx", "apb1", 0x9cc, BIT(0), 0);
522 
523 static SUNXI_CCU_GATE(bus_gpadc_clk, "bus-gpadc", "apb1", 0x9ec, BIT(0), 0);
524 
525 static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1", 0x9fc, BIT(0), 0);
526 
527 static const char * const audio_parents[] = { "pll-audio", "pll-com-audio" };
528 static struct ccu_div i2s0_clk = {
529 	.enable		= BIT(31),
530 	.div		= _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
531 	.mux		= _SUNXI_CCU_MUX(24, 2),
532 	.common		= {
533 		.reg		= 0xa10,
534 		.hw.init	= CLK_HW_INIT_PARENTS("i2s0",
535 						      audio_parents,
536 						      &ccu_div_ops,
537 						      CLK_SET_RATE_PARENT),
538 	},
539 };
540 
541 static struct ccu_div i2s1_clk = {
542 	.enable		= BIT(31),
543 	.div		= _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
544 	.mux		= _SUNXI_CCU_MUX(24, 2),
545 	.common		= {
546 		.reg		= 0xa14,
547 		.hw.init	= CLK_HW_INIT_PARENTS("i2s1",
548 						      audio_parents,
549 						      &ccu_div_ops,
550 						      CLK_SET_RATE_PARENT),
551 	},
552 };
553 
554 static struct ccu_div i2s2_clk = {
555 	.enable		= BIT(31),
556 	.div		= _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
557 	.mux		= _SUNXI_CCU_MUX(24, 2),
558 	.common		= {
559 		.reg		= 0xa18,
560 		.hw.init	= CLK_HW_INIT_PARENTS("i2s2",
561 						      audio_parents,
562 						      &ccu_div_ops,
563 						      CLK_SET_RATE_PARENT),
564 	},
565 };
566 
567 static struct ccu_div i2s3_clk = {
568 	.enable		= BIT(31),
569 	.div		= _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
570 	.mux		= _SUNXI_CCU_MUX(24, 2),
571 	.common		= {
572 		.reg		= 0xa1c,
573 		.hw.init	= CLK_HW_INIT_PARENTS("i2s3",
574 						      audio_parents,
575 						      &ccu_div_ops,
576 						      CLK_SET_RATE_PARENT),
577 	},
578 };
579 
580 static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", 0xa20, BIT(0), 0);
581 static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", 0xa20, BIT(1), 0);
582 static SUNXI_CCU_GATE(bus_i2s2_clk, "bus-i2s2", "apb1", 0xa20, BIT(2), 0);
583 static SUNXI_CCU_GATE(bus_i2s3_clk, "bus-i2s3", "apb1", 0xa20, BIT(3), 0);
584 
585 static struct ccu_div spdif_clk = {
586 	.enable		= BIT(31),
587 	.div		= _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
588 	.mux		= _SUNXI_CCU_MUX(24, 2),
589 	.common		= {
590 		.reg		= 0xa24,
591 		.hw.init	= CLK_HW_INIT_PARENTS("spdif",
592 						      audio_parents,
593 						      &ccu_div_ops,
594 						      0),
595 	},
596 };
597 
598 static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1", 0xa2c, BIT(0), 0);
599 
600 static struct ccu_div dmic_clk = {
601 	.enable		= BIT(31),
602 	.div		= _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO),
603 	.mux		= _SUNXI_CCU_MUX(24, 2),
604 	.common		= {
605 		.reg		= 0xa40,
606 		.hw.init	= CLK_HW_INIT_PARENTS("dmic",
607 						      audio_parents,
608 						      &ccu_div_ops,
609 						      0),
610 	},
611 };
612 
613 static SUNXI_CCU_GATE(bus_dmic_clk, "bus-dmic", "apb1", 0xa4c, BIT(0), 0);
614 
615 static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_dac_clk, "audio-codec-dac",
616 				 audio_parents, 0xa50,
617 				 0, 4,		/* M */
618 				 24, 2,		/* mux */
619 				 BIT(31),	/* gate */
620 				 0);
621 
622 static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_adc_clk, "audio-codec-adc",
623 				 audio_parents, 0xa54,
624 				 0, 4,		/* M */
625 				 24, 2,		/* mux */
626 				 BIT(31),	/* gate */
627 				 0);
628 
629 static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_4x_clk, "audio-codec-4x",
630 				 audio_parents, 0xa58,
631 				 0, 4,		/* M */
632 				 24, 2,		/* mux */
633 				 BIT(31),	/* gate */
634 				 0);
635 
636 static SUNXI_CCU_GATE(bus_audio_codec_clk, "bus-audio-codec", "apb1", 0xa5c,
637 		      BIT(0), 0);
638 
639 /*
640  * There are OHCI 12M clock source selection bits for 2 USB 2.0 ports.
641  * We will force them to 0 (12M divided from 48M).
642  */
643 #define SUN50I_A100_USB0_CLK_REG		0xa70
644 #define SUN50I_A100_USB1_CLK_REG		0xa74
645 
646 static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M", 0xa70, BIT(31), 0);
647 static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "dcxo24M", 0xa70, BIT(29), 0);
648 
649 static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "osc12M", 0xa74, BIT(31), 0);
650 static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "dcxo24M", 0xa74, BIT(29), 0);
651 
652 static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb3", 0xa8c, BIT(0), 0);
653 static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb3", 0xa8c, BIT(1), 0);
654 static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb3", 0xa8c, BIT(4), 0);
655 static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb3", 0xa8c, BIT(5), 0);
656 static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb3", 0xa8c, BIT(8), 0);
657 
658 static SUNXI_CCU_GATE(bus_lradc_clk, "bus-lradc", "ahb3", 0xa9c, BIT(0), 0);
659 
660 static SUNXI_CCU_GATE(bus_dpss_top0_clk, "bus-dpss-top0", "ahb3",
661 		      0xabc, BIT(0), 0);
662 
663 static SUNXI_CCU_GATE(bus_dpss_top1_clk, "bus-dpss-top1", "ahb3",
664 		      0xacc, BIT(0), 0);
665 
666 static const char * const mipi_dsi_parents[] = { "dcxo24M", "pll-periph0-2x",
667 						 "pll-periph0" };
668 static SUNXI_CCU_M_WITH_MUX_GATE(mipi_dsi_clk, "mipi-dsi",
669 				 mipi_dsi_parents,
670 				 0xb24,
671 				 0, 4,		/* M */
672 				 24, 2,		/* mux */
673 				 BIT(31),	/* gate */
674 				 0);
675 
676 static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb3",
677 		      0xb4c, BIT(0), 0);
678 
679 static const char * const tcon_lcd_parents[] = { "pll-video0-4x",
680 						  "pll-video1-4x",
681 						  "pll-video2-4x",
682 						  "pll-video3-4x",
683 						  "pll-periph0-2x" };
684 static SUNXI_CCU_MP_WITH_MUX_GATE(tcon_lcd_clk, "tcon-lcd0",
685 				  tcon_lcd_parents, 0xb60,
686 				  0, 4,		/* M */
687 				  8, 2,		/* P */
688 				  24, 3,	/* mux */
689 				  BIT(31),	/* gate */
690 				  0);
691 
692 static SUNXI_CCU_GATE(bus_tcon_lcd_clk, "bus-tcon-lcd0", "ahb3",
693 		      0xb7c, BIT(0), 0);
694 
695 static const char * const ledc_parents[] = { "dcxo24M",
696 					     "pll-periph0" };
697 static SUNXI_CCU_MP_WITH_MUX_GATE(ledc_clk, "ledc",
698 				  ledc_parents, 0xbf0,
699 				  0, 4,		/* M */
700 				  8, 2,		/* P */
701 				  24, 3,	/* mux */
702 				  BIT(31),	/* gate */
703 				  0);
704 
705 static SUNXI_CCU_GATE(bus_ledc_clk, "bus-ledc", "ahb3", 0xbfc, BIT(0), 0);
706 
707 static const char * const csi_top_parents[] = { "pll-periph0-2x",
708 						"pll-video0-2x",
709 						"pll-video1-2x",
710 						"pll-video2-2x",
711 						"pll-video3-2x" };
712 static SUNXI_CCU_M_WITH_MUX_GATE(csi_top_clk, "csi-top",
713 				 csi_top_parents, 0xc04,
714 				 0, 4,		/* M */
715 				 24, 3,		/* mux */
716 				 BIT(31),	/* gate */
717 				 0);
718 
719 static const char * const csi0_mclk_parents[] = { "dcxo24M", "pll-video2",
720 						  "pll-video3", "pll-video0",
721 						  "pll-video1" };
722 static SUNXI_CCU_M_WITH_MUX_GATE(csi0_mclk_clk, "csi0-mclk",
723 				 csi0_mclk_parents, 0xc08,
724 				 0, 5,		/* M */
725 				 24, 3,		/* mux */
726 				 BIT(31),	/* gate */
727 				 0);
728 
729 static const char * const csi1_mclk_parents[] = { "dcxo24M", "pll-video3",
730 						  "pll-video0", "pll-video1",
731 						  "pll-video2" };
732 static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi1-mclk",
733 				 csi1_mclk_parents, 0xc0c,
734 				 0, 5,		/* M */
735 				 24, 3,		/* mux */
736 				 BIT(31),	/* gate */
737 				 0);
738 
739 static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb3", 0xc1c, BIT(0), 0);
740 
741 static const char * const csi_isp_parents[] = { "pll-periph0-2x",
742 						"pll-video0-2x",
743 						"pll-video1-2x",
744 						"pll-video2-2x",
745 						"pll-video3-2x" };
746 static SUNXI_CCU_M_WITH_MUX_GATE(csi_isp_clk, "csi-isp",
747 				 csi_isp_parents, 0xc20,
748 				 0, 5,		/* M */
749 				 24, 3,		/* mux */
750 				 BIT(31),	/* gate */
751 				 0);
752 
753 /* Fixed factor clocks */
754 static CLK_FIXED_FACTOR_FW_NAME(osc12M_clk, "osc12M", "hosc", 2, 1, 0);
755 
756 static CLK_FIXED_FACTOR_HW(pll_com_audio_clk, "pll-com-audio",
757 			   &pll_com_clk.common.hw,
758 			   5, 1, CLK_SET_RATE_PARENT);
759 
760 static CLK_FIXED_FACTOR_HW(pll_periph0_2x_clk, "pll-periph0-2x",
761 			   &pll_periph0_clk.common.hw,
762 			   1, 2, 0);
763 
764 static CLK_FIXED_FACTOR_HW(pll_periph1_2x_clk, "pll-periph1-2x",
765 			   &pll_periph1_clk.common.hw,
766 			   1, 2, 0);
767 
768 static const struct clk_hw *pll_video0_parents[] = {
769 	&pll_video0_clk.common.hw
770 };
771 static CLK_FIXED_FACTOR_HWS(pll_video0_4x_clk, "pll-video0-4x",
772 			    pll_video0_parents,
773 			    1, 4, CLK_SET_RATE_PARENT);
774 static CLK_FIXED_FACTOR_HWS(pll_video0_2x_clk, "pll-video0-2x",
775 			    pll_video0_parents,
776 			    1, 2, CLK_SET_RATE_PARENT);
777 
778 static const struct clk_hw *pll_video1_parents[] = {
779 	&pll_video1_clk.common.hw
780 };
781 static CLK_FIXED_FACTOR_HWS(pll_video1_4x_clk, "pll-video1-4x",
782 			    pll_video1_parents,
783 			    1, 4, CLK_SET_RATE_PARENT);
784 static CLK_FIXED_FACTOR_HWS(pll_video1_2x_clk, "pll-video1-2x",
785 			    pll_video1_parents,
786 			    1, 2, CLK_SET_RATE_PARENT);
787 
788 static const struct clk_hw *pll_video2_parents[] = {
789 	&pll_video2_clk.common.hw
790 };
791 static CLK_FIXED_FACTOR_HWS(pll_video2_4x_clk, "pll-video2-4x",
792 			    pll_video2_parents,
793 			    1, 4, CLK_SET_RATE_PARENT);
794 static CLK_FIXED_FACTOR_HWS(pll_video2_2x_clk, "pll-video2-2x",
795 			    pll_video2_parents,
796 			    1, 2, CLK_SET_RATE_PARENT);
797 
798 static const struct clk_hw *pll_video3_parents[] = {
799 	&pll_video3_clk.common.hw
800 };
801 static CLK_FIXED_FACTOR_HWS(pll_video3_4x_clk, "pll-video3-4x",
802 			    pll_video3_parents,
803 			    1, 4, CLK_SET_RATE_PARENT);
804 static CLK_FIXED_FACTOR_HWS(pll_video3_2x_clk, "pll-video3-2x",
805 			    pll_video3_parents,
806 			    1, 2, CLK_SET_RATE_PARENT);
807 
808 static struct ccu_common *sun50i_a100_ccu_clks[] = {
809 	&pll_cpux_clk.common,
810 	&pll_ddr0_clk.common,
811 	&pll_periph0_clk.common,
812 	&pll_periph1_clk.common,
813 	&pll_gpu_clk.common,
814 	&pll_video0_clk.common,
815 	&pll_video1_clk.common,
816 	&pll_video2_clk.common,
817 	&pll_video3_clk.common,
818 	&pll_ve_clk.common,
819 	&pll_com_clk.common,
820 	&pll_audio_clk.common,
821 	&cpux_clk.common,
822 	&axi_clk.common,
823 	&cpux_apb_clk.common,
824 	&psi_ahb1_ahb2_clk.common,
825 	&ahb3_clk.common,
826 	&apb1_clk.common,
827 	&apb2_clk.common,
828 	&mbus_clk.common,
829 	&de_clk.common,
830 	&bus_de_clk.common,
831 	&g2d_clk.common,
832 	&bus_g2d_clk.common,
833 	&gpu_clk.common,
834 	&bus_gpu_clk.common,
835 	&ce_clk.common,
836 	&bus_ce_clk.common,
837 	&ve_clk.common,
838 	&bus_ve_clk.common,
839 	&bus_dma_clk.common,
840 	&bus_msgbox_clk.common,
841 	&bus_spinlock_clk.common,
842 	&bus_hstimer_clk.common,
843 	&avs_clk.common,
844 	&bus_dbg_clk.common,
845 	&bus_psi_clk.common,
846 	&bus_pwm_clk.common,
847 	&bus_iommu_clk.common,
848 	&mbus_dma_clk.common,
849 	&mbus_ve_clk.common,
850 	&mbus_ce_clk.common,
851 	&mbus_nand_clk.common,
852 	&mbus_csi_clk.common,
853 	&mbus_isp_clk.common,
854 	&mbus_g2d_clk.common,
855 	&bus_dram_clk.common,
856 	&nand0_clk.common,
857 	&nand1_clk.common,
858 	&bus_nand_clk.common,
859 	&mmc0_clk.common,
860 	&mmc1_clk.common,
861 	&mmc2_clk.common,
862 	&bus_mmc0_clk.common,
863 	&bus_mmc1_clk.common,
864 	&bus_mmc2_clk.common,
865 	&bus_uart0_clk.common,
866 	&bus_uart1_clk.common,
867 	&bus_uart2_clk.common,
868 	&bus_uart3_clk.common,
869 	&bus_uart4_clk.common,
870 	&bus_i2c0_clk.common,
871 	&bus_i2c1_clk.common,
872 	&bus_i2c2_clk.common,
873 	&bus_i2c3_clk.common,
874 	&spi0_clk.common,
875 	&spi1_clk.common,
876 	&spi2_clk.common,
877 	&bus_spi0_clk.common,
878 	&bus_spi1_clk.common,
879 	&bus_spi2_clk.common,
880 	&emac_25m_clk.common,
881 	&bus_emac_clk.common,
882 	&ir_rx_clk.common,
883 	&bus_ir_rx_clk.common,
884 	&ir_tx_clk.common,
885 	&bus_ir_tx_clk.common,
886 	&bus_gpadc_clk.common,
887 	&bus_ths_clk.common,
888 	&i2s0_clk.common,
889 	&i2s1_clk.common,
890 	&i2s2_clk.common,
891 	&i2s3_clk.common,
892 	&bus_i2s0_clk.common,
893 	&bus_i2s1_clk.common,
894 	&bus_i2s2_clk.common,
895 	&bus_i2s3_clk.common,
896 	&spdif_clk.common,
897 	&bus_spdif_clk.common,
898 	&dmic_clk.common,
899 	&bus_dmic_clk.common,
900 	&audio_codec_dac_clk.common,
901 	&audio_codec_adc_clk.common,
902 	&audio_codec_4x_clk.common,
903 	&bus_audio_codec_clk.common,
904 	&usb_ohci0_clk.common,
905 	&usb_phy0_clk.common,
906 	&usb_ohci1_clk.common,
907 	&usb_phy1_clk.common,
908 	&bus_ohci0_clk.common,
909 	&bus_ohci1_clk.common,
910 	&bus_ehci0_clk.common,
911 	&bus_ehci1_clk.common,
912 	&bus_otg_clk.common,
913 	&bus_lradc_clk.common,
914 	&bus_dpss_top0_clk.common,
915 	&bus_dpss_top1_clk.common,
916 	&mipi_dsi_clk.common,
917 	&bus_mipi_dsi_clk.common,
918 	&tcon_lcd_clk.common,
919 	&bus_tcon_lcd_clk.common,
920 	&ledc_clk.common,
921 	&bus_ledc_clk.common,
922 	&csi_top_clk.common,
923 	&csi0_mclk_clk.common,
924 	&csi1_mclk_clk.common,
925 	&bus_csi_clk.common,
926 	&csi_isp_clk.common,
927 };
928 
929 static struct clk_hw_onecell_data sun50i_a100_hw_clks = {
930 	.hws	= {
931 		[CLK_OSC12M]		= &osc12M_clk.hw,
932 		[CLK_PLL_CPUX]		= &pll_cpux_clk.common.hw,
933 		[CLK_PLL_DDR0]		= &pll_ddr0_clk.common.hw,
934 		[CLK_PLL_PERIPH0]	= &pll_periph0_clk.common.hw,
935 		[CLK_PLL_PERIPH0_2X]	= &pll_periph0_2x_clk.hw,
936 		[CLK_PLL_PERIPH1]	= &pll_periph1_clk.common.hw,
937 		[CLK_PLL_PERIPH1_2X]	= &pll_periph1_2x_clk.hw,
938 		[CLK_PLL_GPU]		= &pll_gpu_clk.common.hw,
939 		[CLK_PLL_VIDEO0]	= &pll_video0_clk.common.hw,
940 		[CLK_PLL_VIDEO0_2X]	= &pll_video0_2x_clk.hw,
941 		[CLK_PLL_VIDEO0_4X]	= &pll_video0_4x_clk.hw,
942 		[CLK_PLL_VIDEO1]	= &pll_video1_clk.common.hw,
943 		[CLK_PLL_VIDEO1_2X]	= &pll_video1_2x_clk.hw,
944 		[CLK_PLL_VIDEO1_4X]	= &pll_video1_4x_clk.hw,
945 		[CLK_PLL_VIDEO2]	= &pll_video2_clk.common.hw,
946 		[CLK_PLL_VIDEO2_2X]	= &pll_video2_2x_clk.hw,
947 		[CLK_PLL_VIDEO2_4X]	= &pll_video2_4x_clk.hw,
948 		[CLK_PLL_VIDEO3]	= &pll_video3_clk.common.hw,
949 		[CLK_PLL_VIDEO3_2X]	= &pll_video3_2x_clk.hw,
950 		[CLK_PLL_VIDEO3_4X]	= &pll_video3_4x_clk.hw,
951 		[CLK_PLL_VE]		= &pll_ve_clk.common.hw,
952 		[CLK_PLL_COM]		= &pll_com_clk.common.hw,
953 		[CLK_PLL_COM_AUDIO]	= &pll_com_audio_clk.hw,
954 		[CLK_PLL_AUDIO]		= &pll_audio_clk.common.hw,
955 		[CLK_CPUX]		= &cpux_clk.common.hw,
956 		[CLK_AXI]		= &axi_clk.common.hw,
957 		[CLK_CPUX_APB]		= &cpux_apb_clk.common.hw,
958 		[CLK_PSI_AHB1_AHB2]	= &psi_ahb1_ahb2_clk.common.hw,
959 		[CLK_AHB3]		= &ahb3_clk.common.hw,
960 		[CLK_APB1]		= &apb1_clk.common.hw,
961 		[CLK_APB2]		= &apb2_clk.common.hw,
962 		[CLK_MBUS]		= &mbus_clk.common.hw,
963 		[CLK_DE]		= &de_clk.common.hw,
964 		[CLK_BUS_DE]		= &bus_de_clk.common.hw,
965 		[CLK_G2D]		= &g2d_clk.common.hw,
966 		[CLK_BUS_G2D]		= &bus_g2d_clk.common.hw,
967 		[CLK_GPU]		= &gpu_clk.common.hw,
968 		[CLK_BUS_GPU]		= &bus_gpu_clk.common.hw,
969 		[CLK_CE]		= &ce_clk.common.hw,
970 		[CLK_BUS_CE]		= &bus_ce_clk.common.hw,
971 		[CLK_VE]		= &ve_clk.common.hw,
972 		[CLK_BUS_VE]		= &bus_ve_clk.common.hw,
973 		[CLK_BUS_DMA]		= &bus_dma_clk.common.hw,
974 		[CLK_BUS_MSGBOX]	= &bus_msgbox_clk.common.hw,
975 		[CLK_BUS_SPINLOCK]	= &bus_spinlock_clk.common.hw,
976 		[CLK_BUS_HSTIMER]	= &bus_hstimer_clk.common.hw,
977 		[CLK_AVS]		= &avs_clk.common.hw,
978 		[CLK_BUS_DBG]		= &bus_dbg_clk.common.hw,
979 		[CLK_BUS_PSI]		= &bus_psi_clk.common.hw,
980 		[CLK_BUS_PWM]		= &bus_pwm_clk.common.hw,
981 		[CLK_BUS_IOMMU]		= &bus_iommu_clk.common.hw,
982 		[CLK_MBUS_DMA]		= &mbus_dma_clk.common.hw,
983 		[CLK_MBUS_VE]		= &mbus_ve_clk.common.hw,
984 		[CLK_MBUS_CE]		= &mbus_ce_clk.common.hw,
985 		[CLK_MBUS_NAND]		= &mbus_nand_clk.common.hw,
986 		[CLK_MBUS_CSI]		= &mbus_csi_clk.common.hw,
987 		[CLK_MBUS_ISP]		= &mbus_isp_clk.common.hw,
988 		[CLK_MBUS_G2D]		= &mbus_g2d_clk.common.hw,
989 		[CLK_BUS_DRAM]		= &bus_dram_clk.common.hw,
990 		[CLK_NAND0]		= &nand0_clk.common.hw,
991 		[CLK_NAND1]		= &nand1_clk.common.hw,
992 		[CLK_BUS_NAND]		= &bus_nand_clk.common.hw,
993 		[CLK_MMC0]		= &mmc0_clk.common.hw,
994 		[CLK_MMC1]		= &mmc1_clk.common.hw,
995 		[CLK_MMC2]		= &mmc2_clk.common.hw,
996 		[CLK_BUS_MMC0]		= &bus_mmc0_clk.common.hw,
997 		[CLK_BUS_MMC1]		= &bus_mmc1_clk.common.hw,
998 		[CLK_BUS_MMC2]		= &bus_mmc2_clk.common.hw,
999 		[CLK_BUS_UART0]		= &bus_uart0_clk.common.hw,
1000 		[CLK_BUS_UART1]		= &bus_uart1_clk.common.hw,
1001 		[CLK_BUS_UART2]		= &bus_uart2_clk.common.hw,
1002 		[CLK_BUS_UART3]		= &bus_uart3_clk.common.hw,
1003 		[CLK_BUS_UART4]		= &bus_uart4_clk.common.hw,
1004 		[CLK_BUS_I2C0]		= &bus_i2c0_clk.common.hw,
1005 		[CLK_BUS_I2C1]		= &bus_i2c1_clk.common.hw,
1006 		[CLK_BUS_I2C2]		= &bus_i2c2_clk.common.hw,
1007 		[CLK_BUS_I2C3]		= &bus_i2c3_clk.common.hw,
1008 		[CLK_SPI0]		= &spi0_clk.common.hw,
1009 		[CLK_SPI1]		= &spi1_clk.common.hw,
1010 		[CLK_SPI2]		= &spi2_clk.common.hw,
1011 		[CLK_BUS_SPI0]		= &bus_spi0_clk.common.hw,
1012 		[CLK_BUS_SPI1]		= &bus_spi1_clk.common.hw,
1013 		[CLK_BUS_SPI2]		= &bus_spi2_clk.common.hw,
1014 		[CLK_EMAC_25M]		= &emac_25m_clk.common.hw,
1015 		[CLK_BUS_EMAC]		= &bus_emac_clk.common.hw,
1016 		[CLK_IR_RX]		= &ir_rx_clk.common.hw,
1017 		[CLK_BUS_IR_RX]		= &bus_ir_rx_clk.common.hw,
1018 		[CLK_IR_TX]		= &ir_tx_clk.common.hw,
1019 		[CLK_BUS_IR_TX]		= &bus_ir_tx_clk.common.hw,
1020 		[CLK_BUS_GPADC]		= &bus_gpadc_clk.common.hw,
1021 		[CLK_BUS_THS]		= &bus_ths_clk.common.hw,
1022 		[CLK_I2S0]		= &i2s0_clk.common.hw,
1023 		[CLK_I2S1]		= &i2s1_clk.common.hw,
1024 		[CLK_I2S2]		= &i2s2_clk.common.hw,
1025 		[CLK_I2S3]		= &i2s3_clk.common.hw,
1026 		[CLK_BUS_I2S0]		= &bus_i2s0_clk.common.hw,
1027 		[CLK_BUS_I2S1]		= &bus_i2s1_clk.common.hw,
1028 		[CLK_BUS_I2S2]		= &bus_i2s2_clk.common.hw,
1029 		[CLK_BUS_I2S3]		= &bus_i2s3_clk.common.hw,
1030 		[CLK_SPDIF]		= &spdif_clk.common.hw,
1031 		[CLK_BUS_SPDIF]		= &bus_spdif_clk.common.hw,
1032 		[CLK_DMIC]		= &dmic_clk.common.hw,
1033 		[CLK_BUS_DMIC]		= &bus_dmic_clk.common.hw,
1034 		[CLK_AUDIO_DAC]		= &audio_codec_dac_clk.common.hw,
1035 		[CLK_AUDIO_ADC]		= &audio_codec_adc_clk.common.hw,
1036 		[CLK_AUDIO_4X]		= &audio_codec_4x_clk.common.hw,
1037 		[CLK_BUS_AUDIO_CODEC]	= &bus_audio_codec_clk.common.hw,
1038 		[CLK_USB_OHCI0]		= &usb_ohci0_clk.common.hw,
1039 		[CLK_USB_PHY0]		= &usb_phy0_clk.common.hw,
1040 		[CLK_USB_OHCI1]		= &usb_ohci1_clk.common.hw,
1041 		[CLK_USB_PHY1]		= &usb_phy1_clk.common.hw,
1042 		[CLK_BUS_OHCI0]		= &bus_ohci0_clk.common.hw,
1043 		[CLK_BUS_OHCI1]		= &bus_ohci1_clk.common.hw,
1044 		[CLK_BUS_EHCI0]		= &bus_ehci0_clk.common.hw,
1045 		[CLK_BUS_EHCI1]		= &bus_ehci1_clk.common.hw,
1046 		[CLK_BUS_OTG]		= &bus_otg_clk.common.hw,
1047 		[CLK_BUS_LRADC]		= &bus_lradc_clk.common.hw,
1048 		[CLK_BUS_DPSS_TOP0]	= &bus_dpss_top0_clk.common.hw,
1049 		[CLK_BUS_DPSS_TOP1]	= &bus_dpss_top1_clk.common.hw,
1050 		[CLK_MIPI_DSI]		= &mipi_dsi_clk.common.hw,
1051 		[CLK_BUS_MIPI_DSI]	= &bus_mipi_dsi_clk.common.hw,
1052 		[CLK_TCON_LCD]		= &tcon_lcd_clk.common.hw,
1053 		[CLK_BUS_TCON_LCD]	= &bus_tcon_lcd_clk.common.hw,
1054 		[CLK_LEDC]		= &ledc_clk.common.hw,
1055 		[CLK_BUS_LEDC]		= &bus_ledc_clk.common.hw,
1056 		[CLK_CSI_TOP]		= &csi_top_clk.common.hw,
1057 		[CLK_CSI0_MCLK]		= &csi0_mclk_clk.common.hw,
1058 		[CLK_CSI1_MCLK]		= &csi1_mclk_clk.common.hw,
1059 		[CLK_BUS_CSI]		= &bus_csi_clk.common.hw,
1060 		[CLK_CSI_ISP]		= &csi_isp_clk.common.hw,
1061 	},
1062 	.num = CLK_NUMBER,
1063 };
1064 
1065 static struct ccu_reset_map sun50i_a100_ccu_resets[] = {
1066 	[RST_MBUS]		= { 0x540, BIT(30) },
1067 
1068 	[RST_BUS_DE]		= { 0x60c, BIT(16) },
1069 	[RST_BUS_G2D]		= { 0x63c, BIT(16) },
1070 	[RST_BUS_GPU]		= { 0x67c, BIT(16) },
1071 	[RST_BUS_CE]		= { 0x68c, BIT(16) },
1072 	[RST_BUS_VE]		= { 0x69c, BIT(16) },
1073 	[RST_BUS_DMA]		= { 0x70c, BIT(16) },
1074 	[RST_BUS_MSGBOX]	= { 0x71c, BIT(16) },
1075 	[RST_BUS_SPINLOCK]	= { 0x72c, BIT(16) },
1076 	[RST_BUS_HSTIMER]	= { 0x73c, BIT(16) },
1077 	[RST_BUS_DBG]		= { 0x78c, BIT(16) },
1078 	[RST_BUS_PSI]		= { 0x79c, BIT(16) },
1079 	[RST_BUS_PWM]		= { 0x7ac, BIT(16) },
1080 	[RST_BUS_DRAM]		= { 0x80c, BIT(16) },
1081 	[RST_BUS_NAND]		= { 0x82c, BIT(16) },
1082 	[RST_BUS_MMC0]		= { 0x84c, BIT(16) },
1083 	[RST_BUS_MMC1]		= { 0x84c, BIT(17) },
1084 	[RST_BUS_MMC2]		= { 0x84c, BIT(18) },
1085 	[RST_BUS_UART0]		= { 0x90c, BIT(16) },
1086 	[RST_BUS_UART1]		= { 0x90c, BIT(17) },
1087 	[RST_BUS_UART2]		= { 0x90c, BIT(18) },
1088 	[RST_BUS_UART3]		= { 0x90c, BIT(19) },
1089 	[RST_BUS_UART4]		= { 0x90c, BIT(20) },
1090 	[RST_BUS_I2C0]		= { 0x91c, BIT(16) },
1091 	[RST_BUS_I2C1]		= { 0x91c, BIT(17) },
1092 	[RST_BUS_I2C2]		= { 0x91c, BIT(18) },
1093 	[RST_BUS_I2C3]		= { 0x91c, BIT(19) },
1094 	[RST_BUS_SPI0]		= { 0x96c, BIT(16) },
1095 	[RST_BUS_SPI1]		= { 0x96c, BIT(17) },
1096 	[RST_BUS_SPI2]		= { 0x96c, BIT(18) },
1097 	[RST_BUS_EMAC]		= { 0x97c, BIT(16) },
1098 	[RST_BUS_IR_RX]		= { 0x99c, BIT(16) },
1099 	[RST_BUS_IR_TX]		= { 0x9cc, BIT(16) },
1100 	[RST_BUS_GPADC]		= { 0x9ec, BIT(16) },
1101 	[RST_BUS_THS]		= { 0x9fc, BIT(16) },
1102 	[RST_BUS_I2S0]		= { 0xa20, BIT(16) },
1103 	[RST_BUS_I2S1]		= { 0xa20, BIT(17) },
1104 	[RST_BUS_I2S2]		= { 0xa20, BIT(18) },
1105 	[RST_BUS_I2S3]		= { 0xa20, BIT(19) },
1106 	[RST_BUS_SPDIF]		= { 0xa2c, BIT(16) },
1107 	[RST_BUS_DMIC]		= { 0xa4c, BIT(16) },
1108 	[RST_BUS_AUDIO_CODEC]	= { 0xa5c, BIT(16) },
1109 
1110 	[RST_USB_PHY0]		= { 0xa70, BIT(30) },
1111 	[RST_USB_PHY1]		= { 0xa74, BIT(30) },
1112 
1113 	[RST_BUS_OHCI0]		= { 0xa8c, BIT(16) },
1114 	[RST_BUS_OHCI1]		= { 0xa8c, BIT(17) },
1115 	[RST_BUS_EHCI0]		= { 0xa8c, BIT(20) },
1116 	[RST_BUS_EHCI1]		= { 0xa8c, BIT(21) },
1117 	[RST_BUS_OTG]		= { 0xa8c, BIT(24) },
1118 
1119 	[RST_BUS_LRADC]		= { 0xa9c, BIT(16) },
1120 	[RST_BUS_DPSS_TOP0]	= { 0xabc, BIT(16) },
1121 	[RST_BUS_DPSS_TOP1]	= { 0xacc, BIT(16) },
1122 	[RST_BUS_MIPI_DSI]	= { 0xb4c, BIT(16) },
1123 	[RST_BUS_TCON_LCD]	= { 0xb7c, BIT(16) },
1124 	[RST_BUS_LVDS]		= { 0xbac, BIT(16) },
1125 	[RST_BUS_LEDC]		= { 0xbfc, BIT(16) },
1126 	[RST_BUS_CSI]		= { 0xc1c, BIT(16) },
1127 	[RST_BUS_CSI_ISP]	= { 0xc2c, BIT(16) },
1128 };
1129 
1130 static const struct sunxi_ccu_desc sun50i_a100_ccu_desc = {
1131 	.ccu_clks	= sun50i_a100_ccu_clks,
1132 	.num_ccu_clks	= ARRAY_SIZE(sun50i_a100_ccu_clks),
1133 
1134 	.hw_clks	= &sun50i_a100_hw_clks,
1135 
1136 	.resets		= sun50i_a100_ccu_resets,
1137 	.num_resets	= ARRAY_SIZE(sun50i_a100_ccu_resets),
1138 };
1139 
1140 static const u32 sun50i_a100_pll_regs[] = {
1141 	SUN50I_A100_PLL_CPUX_REG,
1142 	SUN50I_A100_PLL_DDR0_REG,
1143 	SUN50I_A100_PLL_PERIPH0_REG,
1144 	SUN50I_A100_PLL_PERIPH1_REG,
1145 	SUN50I_A100_PLL_GPU_REG,
1146 	SUN50I_A100_PLL_VIDEO0_REG,
1147 	SUN50I_A100_PLL_VIDEO1_REG,
1148 	SUN50I_A100_PLL_VIDEO2_REG,
1149 	SUN50I_A100_PLL_VIDEO3_REG,
1150 	SUN50I_A100_PLL_VE_REG,
1151 	SUN50I_A100_PLL_COM_REG,
1152 	SUN50I_A100_PLL_AUDIO_REG,
1153 };
1154 
1155 static const u32 sun50i_a100_pll_video_regs[] = {
1156 	SUN50I_A100_PLL_VIDEO0_REG,
1157 	SUN50I_A100_PLL_VIDEO1_REG,
1158 	SUN50I_A100_PLL_VIDEO2_REG,
1159 	SUN50I_A100_PLL_VIDEO3_REG,
1160 };
1161 
1162 static const u32 sun50i_a100_usb2_clk_regs[] = {
1163 	SUN50I_A100_USB0_CLK_REG,
1164 	SUN50I_A100_USB1_CLK_REG,
1165 };
1166 
1167 static struct ccu_pll_nb sun50i_a100_pll_cpu_nb = {
1168 	.common = &pll_cpux_clk.common,
1169 	/* copy from pll_cpux_clk */
1170 	.enable = BIT(27),
1171 	.lock   = BIT(28),
1172 };
1173 
1174 static struct ccu_mux_nb sun50i_a100_cpu_nb = {
1175 	.common         = &cpux_clk.common,
1176 	.cm             = &cpux_clk.mux,
1177 	.delay_us       = 1,
1178 	.bypass_index   = 4, /* index of pll periph0 */
1179 };
1180 
sun50i_a100_ccu_probe(struct platform_device * pdev)1181 static int sun50i_a100_ccu_probe(struct platform_device *pdev)
1182 {
1183 	void __iomem *reg;
1184 	u32 val;
1185 	int i, ret;
1186 
1187 	reg = devm_platform_ioremap_resource(pdev, 0);
1188 	if (IS_ERR(reg))
1189 		return PTR_ERR(reg);
1190 
1191 	/*
1192 	 * Enable lock and enable bits on all PLLs.
1193 	 *
1194 	 * Due to the current design, multiple PLLs share one power switch,
1195 	 * so switching PLL is easy to cause stability problems.
1196 	 * When initializing, we enable them by default. When disable,
1197 	 * we only turn off the output of PLL.
1198 	 */
1199 	for (i = 0; i < ARRAY_SIZE(sun50i_a100_pll_regs); i++) {
1200 		val = readl(reg + sun50i_a100_pll_regs[i]);
1201 		val |= SUN50I_A100_PLL_LOCK_ENABLE | SUN50I_A100_PLL_ENABLE;
1202 		writel(val, reg + sun50i_a100_pll_regs[i]);
1203 	}
1204 
1205 	/*
1206 	 * In order to pass the EMI certification, the SDM function of
1207 	 * the peripheral 1 bus is enabled, and the frequency is still
1208 	 * calculated using the previous division factor.
1209 	 */
1210 	writel(SUN50I_A100_PLL_PERIPH1_PATTERN0,
1211 	       reg + SUN50I_A100_PLL_PERIPH1_PATTERN0_REG);
1212 
1213 	val = readl(reg + SUN50I_A100_PLL_PERIPH1_REG);
1214 	val |= SUN50I_A100_PLL_SDM_ENABLE;
1215 	writel(val, reg + SUN50I_A100_PLL_PERIPH1_REG);
1216 
1217 	/*
1218 	 * Force the output divider of video PLLs to 0.
1219 	 *
1220 	 * See the comment before pll-video0 definition for the reason.
1221 	 */
1222 	for (i = 0; i < ARRAY_SIZE(sun50i_a100_pll_video_regs); i++) {
1223 		val = readl(reg + sun50i_a100_pll_video_regs[i]);
1224 		val &= ~BIT(0);
1225 		writel(val, reg + sun50i_a100_pll_video_regs[i]);
1226 	}
1227 
1228 	/*
1229 	 * Enforce m1 = 0, m0 = 1 for Audio PLL
1230 	 *
1231 	 * See the comment before pll-audio definition for the reason.
1232 	 */
1233 	val = readl(reg + SUN50I_A100_PLL_AUDIO_REG);
1234 	val &= ~BIT(1);
1235 	val |= BIT(0);
1236 	writel(val, reg + SUN50I_A100_PLL_AUDIO_REG);
1237 
1238 	/*
1239 	 * Force OHCI 12M clock sources to 00 (12MHz divided from 48MHz)
1240 	 *
1241 	 * This clock mux is still mysterious, and the code just enforces
1242 	 * it to have a valid clock parent.
1243 	 */
1244 	for (i = 0; i < ARRAY_SIZE(sun50i_a100_usb2_clk_regs); i++) {
1245 		val = readl(reg + sun50i_a100_usb2_clk_regs[i]);
1246 		val &= ~GENMASK(25, 24);
1247 		writel(val, reg + sun50i_a100_usb2_clk_regs[i]);
1248 	}
1249 
1250 	ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a100_ccu_desc);
1251 	if (ret)
1252 		return ret;
1253 
1254 	/* Gate then ungate PLL CPU after any rate changes */
1255 	ccu_pll_notifier_register(&sun50i_a100_pll_cpu_nb);
1256 
1257 	/* Reparent CPU during PLL CPU rate changes */
1258 	ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk,
1259 				  &sun50i_a100_cpu_nb);
1260 
1261 	return 0;
1262 }
1263 
1264 static const struct of_device_id sun50i_a100_ccu_ids[] = {
1265 	{ .compatible = "allwinner,sun50i-a100-ccu" },
1266 	{ }
1267 };
1268 
1269 static struct platform_driver sun50i_a100_ccu_driver = {
1270 	.probe	= sun50i_a100_ccu_probe,
1271 	.driver	= {
1272 		.name	= "sun50i-a100-ccu",
1273 		.suppress_bind_attrs = true,
1274 		.of_match_table	= sun50i_a100_ccu_ids,
1275 	},
1276 };
1277 module_platform_driver(sun50i_a100_ccu_driver);
1278