1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2017 Icenowy Zheng <icenowy@aosc.io>
4 */
5
6#include <linux/clk-provider.h>
7#include <linux/io.h>
8#include <linux/platform_device.h>
9#include <linux/regmap.h>
10
11#include "ccu_common.h"
12#include "ccu_reset.h"
13
14#include "ccu_div.h"
15#include "ccu_gate.h"
16#include "ccu_mp.h"
17#include "ccu_mult.h"
18#include "ccu_nk.h"
19#include "ccu_nkm.h"
20#include "ccu_nkmp.h"
21#include "ccu_nm.h"
22#include "ccu_phase.h"
23
24#include "ccu-sun8i-r40.h"
25
26/* TODO: The result of N*K is required to be in [10, 88] range. */
27static struct ccu_nkmp pll_cpu_clk = {
28	.enable		= BIT(31),
29	.lock		= BIT(28),
30	.n		= _SUNXI_CCU_MULT(8, 5),
31	.k		= _SUNXI_CCU_MULT(4, 2),
32	.m		= _SUNXI_CCU_DIV(0, 2),
33	.p		= _SUNXI_CCU_DIV_MAX(16, 2, 4),
34	.common		= {
35		.reg		= 0x000,
36		.hw.init	= CLK_HW_INIT("pll-cpu",
37					      "osc24M",
38					      &ccu_nkmp_ops,
39					      CLK_SET_RATE_UNGATE),
40	},
41};
42
43/*
44 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
45 * the base (2x, 4x and 8x), and one variable divider (the one true
46 * pll audio).
47 *
48 * With sigma-delta modulation for fractional-N on the audio PLL,
49 * we have to use specific dividers. This means the variable divider
50 * can no longer be used, as the audio codec requests the exact clock
51 * rates we support through this mechanism. So we now hard code the
52 * variable divider to 1. This means the clock rates will no longer
53 * match the clock names.
54 */
55#define SUN8I_R40_PLL_AUDIO_REG	0x008
56
57static struct ccu_sdm_setting pll_audio_sdm_table[] = {
58	{ .rate = 22579200, .pattern = 0xc0010d84, .m = 8, .n = 7 },
59	{ .rate = 24576000, .pattern = 0xc000ac02, .m = 14, .n = 14 },
60};
61
62static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
63				       "osc24M", 0x008,
64				       8, 7,	/* N */
65				       0, 5,	/* M */
66				       pll_audio_sdm_table, BIT(24),
67				       0x284, BIT(31),
68				       BIT(31),	/* gate */
69				       BIT(28),	/* lock */
70				       CLK_SET_RATE_UNGATE);
71
72static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(pll_video0_clk, "pll-video0",
73						"osc24M", 0x0010,
74						192000000,  /* Minimum rate */
75						1008000000, /* Maximum rate */
76						8, 7,       /* N */
77						0, 4,       /* M */
78						BIT(24),    /* frac enable */
79						BIT(25),    /* frac select */
80						270000000,  /* frac rate 0 */
81						297000000,  /* frac rate 1 */
82						BIT(31),    /* gate */
83						BIT(28),    /* lock */
84						CLK_SET_RATE_UNGATE);
85
86/* TODO: The result of N/M is required to be in [8, 25] range. */
87static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
88					"osc24M", 0x0018,
89					8, 7,		/* N */
90					0, 4,		/* M */
91					BIT(24),	/* frac enable */
92					BIT(25),	/* frac select */
93					270000000,	/* frac rate 0 */
94					297000000,	/* frac rate 1 */
95					BIT(31),	/* gate */
96					BIT(28),	/* lock */
97					CLK_SET_RATE_UNGATE);
98
99/* TODO: The result of N*K is required to be in [10, 77] range. */
100static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0",
101				    "osc24M", 0x020,
102				    8, 5,	/* N */
103				    4, 2,	/* K */
104				    0, 2,	/* M */
105				    BIT(31),	/* gate */
106				    BIT(28),	/* lock */
107				    CLK_SET_RATE_UNGATE);
108
109/* TODO: The result of N*K is required to be in [21, 58] range. */
110static struct ccu_nk pll_periph0_clk = {
111	.enable		= BIT(31),
112	.lock		= BIT(28),
113	.n		= _SUNXI_CCU_MULT(8, 5),
114	.k		= _SUNXI_CCU_MULT(4, 2),
115	.fixed_post_div	= 2,
116	.common		= {
117		.reg		= 0x028,
118		.features	= CCU_FEATURE_FIXED_POSTDIV,
119		.hw.init	= CLK_HW_INIT("pll-periph0", "osc24M",
120					      &ccu_nk_ops,
121					      CLK_SET_RATE_UNGATE),
122	},
123};
124
125static struct ccu_div pll_periph0_sata_clk = {
126	.enable		= BIT(24),
127	.div		= _SUNXI_CCU_DIV(0, 2),
128	/*
129	 * The formula of pll-periph0 (1x) is 24MHz*N*K/2, and the formula
130	 * of pll-periph0-sata is 24MHz*N*K/M/6, so the postdiv here is
131	 * 6/2 = 3.
132	 */
133	.fixed_post_div	= 3,
134	.common		= {
135		.reg		= 0x028,
136		.features	= CCU_FEATURE_FIXED_POSTDIV,
137		.hw.init	= CLK_HW_INIT("pll-periph0-sata",
138					      "pll-periph0",
139					      &ccu_div_ops, 0),
140	},
141};
142
143/* TODO: The result of N*K is required to be in [21, 58] range. */
144static struct ccu_nk pll_periph1_clk = {
145	.enable		= BIT(31),
146	.lock		= BIT(28),
147	.n		= _SUNXI_CCU_MULT(8, 5),
148	.k		= _SUNXI_CCU_MULT(4, 2),
149	.fixed_post_div	= 2,
150	.common		= {
151		.reg		= 0x02c,
152		.features	= CCU_FEATURE_FIXED_POSTDIV,
153		.hw.init	= CLK_HW_INIT("pll-periph1", "osc24M",
154					      &ccu_nk_ops,
155					      CLK_SET_RATE_UNGATE),
156	},
157};
158
159static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(pll_video1_clk, "pll-video1",
160						"osc24M", 0x030,
161						192000000,  /* Minimum rate */
162						1008000000, /* Maximum rate */
163						8, 7,       /* N */
164						0, 4,       /* M */
165						BIT(24),    /* frac enable */
166						BIT(25),    /* frac select */
167						270000000,  /* frac rate 0 */
168						297000000,  /* frac rate 1 */
169						BIT(31),    /* gate */
170						BIT(28),    /* lock */
171						CLK_SET_RATE_UNGATE);
172
173static struct ccu_nkm pll_sata_clk = {
174	.enable		= BIT(31),
175	.lock		= BIT(28),
176	.n		= _SUNXI_CCU_MULT(8, 5),
177	.k		= _SUNXI_CCU_MULT(4, 2),
178	.m		= _SUNXI_CCU_DIV(0, 2),
179	.fixed_post_div	= 6,
180	.common		= {
181		.reg		= 0x034,
182		.features	= CCU_FEATURE_FIXED_POSTDIV,
183		.hw.init	= CLK_HW_INIT("pll-sata", "osc24M",
184					      &ccu_nkm_ops,
185					      CLK_SET_RATE_UNGATE),
186	},
187};
188
189static const char * const pll_sata_out_parents[] = { "pll-sata",
190						     "pll-periph0-sata" };
191static SUNXI_CCU_MUX_WITH_GATE(pll_sata_out_clk, "pll-sata-out",
192			       pll_sata_out_parents, 0x034,
193			       30, 1,	/* mux */
194			       BIT(14),	/* gate */
195			       CLK_SET_RATE_PARENT);
196
197/* TODO: The result of N/M is required to be in [8, 25] range. */
198static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
199					"osc24M", 0x038,
200					8, 7,		/* N */
201					0, 4,		/* M */
202					BIT(24),	/* frac enable */
203					BIT(25),	/* frac select */
204					270000000,	/* frac rate 0 */
205					297000000,	/* frac rate 1 */
206					BIT(31),	/* gate */
207					BIT(28),	/* lock */
208					CLK_SET_RATE_UNGATE);
209
210/*
211 * The MIPI PLL has 2 modes: "MIPI" and "HDMI".
212 *
213 * The MIPI mode is a standard NKM-style clock. The HDMI mode is an
214 * integer / fractional clock with switchable multipliers and dividers.
215 * This is not supported here. We hardcode the PLL to MIPI mode.
216 *
217 * TODO: In the MIPI mode, M/N is required to be equal or lesser than 3,
218 * which cannot be implemented now.
219 */
220#define SUN8I_R40_PLL_MIPI_REG	0x040
221
222static const char * const pll_mipi_parents[] = { "pll-video0" };
223static struct ccu_nkm pll_mipi_clk = {
224	.enable	= BIT(31) | BIT(23) | BIT(22),
225	.lock	= BIT(28),
226	.n	= _SUNXI_CCU_MULT(8, 4),
227	.k	= _SUNXI_CCU_MULT_MIN(4, 2, 2),
228	.m	= _SUNXI_CCU_DIV(0, 4),
229	.mux	= _SUNXI_CCU_MUX(21, 1),
230	.common	= {
231		.reg		= 0x040,
232		.hw.init	= CLK_HW_INIT_PARENTS("pll-mipi",
233						      pll_mipi_parents,
234						      &ccu_nkm_ops,
235						      CLK_SET_RATE_UNGATE)
236	},
237};
238
239/* TODO: The result of N/M is required to be in [8, 25] range. */
240static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
241					"osc24M", 0x048,
242					8, 7,		/* N */
243					0, 4,		/* M */
244					BIT(24),	/* frac enable */
245					BIT(25),	/* frac select */
246					270000000,	/* frac rate 0 */
247					297000000,	/* frac rate 1 */
248					BIT(31),	/* gate */
249					BIT(28),	/* lock */
250					CLK_SET_RATE_UNGATE);
251
252/* TODO: The N factor is required to be in [16, 75] range. */
253static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_ddr1_clk, "pll-ddr1",
254				   "osc24M", 0x04c,
255				   8, 7,	/* N */
256				   0, 2,	/* M */
257				   BIT(31),	/* gate */
258				   BIT(28),	/* lock */
259				   CLK_SET_RATE_UNGATE);
260
261static const char * const cpu_parents[] = { "osc32k", "osc24M",
262					     "pll-cpu", "pll-cpu" };
263static SUNXI_CCU_MUX(cpu_clk, "cpu", cpu_parents,
264		     0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT);
265
266static SUNXI_CCU_M(axi_clk, "axi", "cpu", 0x050, 0, 2, 0);
267
268static const char * const ahb1_parents[] = { "osc32k", "osc24M",
269					     "axi", "pll-periph0" };
270static const struct ccu_mux_var_prediv ahb1_predivs[] = {
271	{ .index = 3, .shift = 6, .width = 2 },
272};
273static struct ccu_div ahb1_clk = {
274	.div		= _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
275
276	.mux		= {
277		.shift	= 12,
278		.width	= 2,
279
280		.var_predivs	= ahb1_predivs,
281		.n_var_predivs	= ARRAY_SIZE(ahb1_predivs),
282	},
283
284	.common		= {
285		.reg		= 0x054,
286		.features	= CCU_FEATURE_VARIABLE_PREDIV,
287		.hw.init	= CLK_HW_INIT_PARENTS("ahb1",
288						      ahb1_parents,
289						      &ccu_div_ops,
290						      0),
291	},
292};
293
294static struct clk_div_table apb1_div_table[] = {
295	{ .val = 0, .div = 2 },
296	{ .val = 1, .div = 2 },
297	{ .val = 2, .div = 4 },
298	{ .val = 3, .div = 8 },
299	{ /* Sentinel */ },
300};
301static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
302			   0x054, 8, 2, apb1_div_table, 0);
303
304static const char * const apb2_parents[] = { "osc32k", "osc24M",
305					     "pll-periph0-2x",
306					     "pll-periph0-2x" };
307static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
308			     0, 5,	/* M */
309			     16, 2,	/* P */
310			     24, 2,	/* mux */
311			     0);
312
313static SUNXI_CCU_GATE(bus_mipi_dsi_clk,	"bus-mipi-dsi",	"ahb1",
314		      0x060, BIT(1), 0);
315static SUNXI_CCU_GATE(bus_ce_clk,	"bus-ce",	"ahb1",
316		      0x060, BIT(5), 0);
317static SUNXI_CCU_GATE(bus_dma_clk,	"bus-dma",	"ahb1",
318		      0x060, BIT(6), 0);
319static SUNXI_CCU_GATE(bus_mmc0_clk,	"bus-mmc0",	"ahb1",
320		      0x060, BIT(8), 0);
321static SUNXI_CCU_GATE(bus_mmc1_clk,	"bus-mmc1",	"ahb1",
322		      0x060, BIT(9), 0);
323static SUNXI_CCU_GATE(bus_mmc2_clk,	"bus-mmc2",	"ahb1",
324		      0x060, BIT(10), 0);
325static SUNXI_CCU_GATE(bus_mmc3_clk,	"bus-mmc3",	"ahb1",
326		      0x060, BIT(11), 0);
327static SUNXI_CCU_GATE(bus_nand_clk,	"bus-nand",	"ahb1",
328		      0x060, BIT(13), 0);
329static SUNXI_CCU_GATE(bus_dram_clk,	"bus-dram",	"ahb1",
330		      0x060, BIT(14), 0);
331static SUNXI_CCU_GATE(bus_emac_clk,	"bus-emac",	"ahb1",
332		      0x060, BIT(17), 0);
333static SUNXI_CCU_GATE(bus_ts_clk,	"bus-ts",	"ahb1",
334		      0x060, BIT(18), 0);
335static SUNXI_CCU_GATE(bus_hstimer_clk,	"bus-hstimer",	"ahb1",
336		      0x060, BIT(19), 0);
337static SUNXI_CCU_GATE(bus_spi0_clk,	"bus-spi0",	"ahb1",
338		      0x060, BIT(20), 0);
339static SUNXI_CCU_GATE(bus_spi1_clk,	"bus-spi1",	"ahb1",
340		      0x060, BIT(21), 0);
341static SUNXI_CCU_GATE(bus_spi2_clk,	"bus-spi2",	"ahb1",
342		      0x060, BIT(22), 0);
343static SUNXI_CCU_GATE(bus_spi3_clk,	"bus-spi3",	"ahb1",
344		      0x060, BIT(23), 0);
345static SUNXI_CCU_GATE(bus_sata_clk,	"bus-sata",	"ahb1",
346		      0x060, BIT(24), 0);
347static SUNXI_CCU_GATE(bus_otg_clk,	"bus-otg",	"ahb1",
348		      0x060, BIT(25), 0);
349static SUNXI_CCU_GATE(bus_ehci0_clk,	"bus-ehci0",	"ahb1",
350		      0x060, BIT(26), 0);
351static SUNXI_CCU_GATE(bus_ehci1_clk,	"bus-ehci1",	"ahb1",
352		      0x060, BIT(27), 0);
353static SUNXI_CCU_GATE(bus_ehci2_clk,	"bus-ehci2",	"ahb1",
354		      0x060, BIT(28), 0);
355static SUNXI_CCU_GATE(bus_ohci0_clk,	"bus-ohci0",	"ahb1",
356		      0x060, BIT(29), 0);
357static SUNXI_CCU_GATE(bus_ohci1_clk,	"bus-ohci1",	"ahb1",
358		      0x060, BIT(30), 0);
359static SUNXI_CCU_GATE(bus_ohci2_clk,	"bus-ohci2",	"ahb1",
360		      0x060, BIT(31), 0);
361
362static SUNXI_CCU_GATE(bus_ve_clk,	"bus-ve",	"ahb1",
363		      0x064, BIT(0), 0);
364static SUNXI_CCU_GATE(bus_mp_clk,	"bus-mp",	"ahb1",
365		      0x064, BIT(2), 0);
366static SUNXI_CCU_GATE(bus_deinterlace_clk,	"bus-deinterlace",	"ahb1",
367		      0x064, BIT(5), 0);
368static SUNXI_CCU_GATE(bus_csi0_clk,	"bus-csi0",	"ahb1",
369		      0x064, BIT(8), 0);
370static SUNXI_CCU_GATE(bus_csi1_clk,	"bus-csi1",	"ahb1",
371		      0x064, BIT(9), 0);
372static SUNXI_CCU_GATE(bus_hdmi0_clk,	"bus-hdmi0",	"ahb1",
373		      0x064, BIT(10), 0);
374static SUNXI_CCU_GATE(bus_hdmi1_clk,	"bus-hdmi1",	"ahb1",
375		      0x064, BIT(11), 0);
376static SUNXI_CCU_GATE(bus_de_clk,	"bus-de",	"ahb1",
377		      0x064, BIT(12), 0);
378static SUNXI_CCU_GATE(bus_tve0_clk,	"bus-tve0",	"ahb1",
379		      0x064, BIT(13), 0);
380static SUNXI_CCU_GATE(bus_tve1_clk,	"bus-tve1",	"ahb1",
381		      0x064, BIT(14), 0);
382static SUNXI_CCU_GATE(bus_tve_top_clk,	"bus-tve-top",	"ahb1",
383		      0x064, BIT(15), 0);
384static SUNXI_CCU_GATE(bus_gmac_clk,	"bus-gmac",	"ahb1",
385		      0x064, BIT(17), 0);
386static SUNXI_CCU_GATE(bus_gpu_clk,	"bus-gpu",	"ahb1",
387		      0x064, BIT(20), 0);
388static SUNXI_CCU_GATE(bus_tvd0_clk,	"bus-tvd0",	"ahb1",
389		      0x064, BIT(21), 0);
390static SUNXI_CCU_GATE(bus_tvd1_clk,	"bus-tvd1",	"ahb1",
391		      0x064, BIT(22), 0);
392static SUNXI_CCU_GATE(bus_tvd2_clk,	"bus-tvd2",	"ahb1",
393		      0x064, BIT(23), 0);
394static SUNXI_CCU_GATE(bus_tvd3_clk,	"bus-tvd3",	"ahb1",
395		      0x064, BIT(24), 0);
396static SUNXI_CCU_GATE(bus_tvd_top_clk,	"bus-tvd-top",	"ahb1",
397		      0x064, BIT(25), 0);
398static SUNXI_CCU_GATE(bus_tcon_lcd0_clk,	"bus-tcon-lcd0",	"ahb1",
399		      0x064, BIT(26), 0);
400static SUNXI_CCU_GATE(bus_tcon_lcd1_clk,	"bus-tcon-lcd1",	"ahb1",
401		      0x064, BIT(27), 0);
402static SUNXI_CCU_GATE(bus_tcon_tv0_clk,	"bus-tcon-tv0",	"ahb1",
403		      0x064, BIT(28), 0);
404static SUNXI_CCU_GATE(bus_tcon_tv1_clk,	"bus-tcon-tv1",	"ahb1",
405		      0x064, BIT(29), 0);
406static SUNXI_CCU_GATE(bus_tcon_top_clk,	"bus-tcon-top",	"ahb1",
407		      0x064, BIT(30), 0);
408
409static SUNXI_CCU_GATE(bus_codec_clk,	"bus-codec",	"apb1",
410		      0x068, BIT(0), 0);
411static SUNXI_CCU_GATE(bus_spdif_clk,	"bus-spdif",	"apb1",
412		      0x068, BIT(1), 0);
413static SUNXI_CCU_GATE(bus_ac97_clk,	"bus-ac97",	"apb1",
414		      0x068, BIT(2), 0);
415static SUNXI_CCU_GATE(bus_pio_clk,	"bus-pio",	"apb1",
416		      0x068, BIT(5), 0);
417static SUNXI_CCU_GATE(bus_ir0_clk,	"bus-ir0",	"apb1",
418		      0x068, BIT(6), 0);
419static SUNXI_CCU_GATE(bus_ir1_clk,	"bus-ir1",	"apb1",
420		      0x068, BIT(7), 0);
421static SUNXI_CCU_GATE(bus_ths_clk,	"bus-ths",	"apb1",
422		      0x068, BIT(8), 0);
423static SUNXI_CCU_GATE(bus_keypad_clk,	"bus-keypad",	"apb1",
424		      0x068, BIT(10), 0);
425static SUNXI_CCU_GATE(bus_i2s0_clk,	"bus-i2s0",	"apb1",
426		      0x068, BIT(12), 0);
427static SUNXI_CCU_GATE(bus_i2s1_clk,	"bus-i2s1",	"apb1",
428		      0x068, BIT(13), 0);
429static SUNXI_CCU_GATE(bus_i2s2_clk,	"bus-i2s2",	"apb1",
430		      0x068, BIT(14), 0);
431
432static SUNXI_CCU_GATE(bus_i2c0_clk,	"bus-i2c0",	"apb2",
433		      0x06c, BIT(0), 0);
434static SUNXI_CCU_GATE(bus_i2c1_clk,	"bus-i2c1",	"apb2",
435		      0x06c, BIT(1), 0);
436static SUNXI_CCU_GATE(bus_i2c2_clk,	"bus-i2c2",	"apb2",
437		      0x06c, BIT(2), 0);
438static SUNXI_CCU_GATE(bus_i2c3_clk,	"bus-i2c3",	"apb2",
439		      0x06c, BIT(3), 0);
440/*
441 * In datasheet here's "Reserved", however the gate exists in BSP soucre
442 * code.
443 */
444static SUNXI_CCU_GATE(bus_can_clk,	"bus-can",	"apb2",
445		      0x06c, BIT(4), 0);
446static SUNXI_CCU_GATE(bus_scr_clk,	"bus-scr",	"apb2",
447		      0x06c, BIT(5), 0);
448static SUNXI_CCU_GATE(bus_ps20_clk,	"bus-ps20",	"apb2",
449		      0x06c, BIT(6), 0);
450static SUNXI_CCU_GATE(bus_ps21_clk,	"bus-ps21",	"apb2",
451		      0x06c, BIT(7), 0);
452static SUNXI_CCU_GATE(bus_i2c4_clk,	"bus-i2c4",	"apb2",
453		      0x06c, BIT(15), 0);
454static SUNXI_CCU_GATE(bus_uart0_clk,	"bus-uart0",	"apb2",
455		      0x06c, BIT(16), 0);
456static SUNXI_CCU_GATE(bus_uart1_clk,	"bus-uart1",	"apb2",
457		      0x06c, BIT(17), 0);
458static SUNXI_CCU_GATE(bus_uart2_clk,	"bus-uart2",	"apb2",
459		      0x06c, BIT(18), 0);
460static SUNXI_CCU_GATE(bus_uart3_clk,	"bus-uart3",	"apb2",
461		      0x06c, BIT(19), 0);
462static SUNXI_CCU_GATE(bus_uart4_clk,	"bus-uart4",	"apb2",
463		      0x06c, BIT(20), 0);
464static SUNXI_CCU_GATE(bus_uart5_clk,	"bus-uart5",	"apb2",
465		      0x06c, BIT(21), 0);
466static SUNXI_CCU_GATE(bus_uart6_clk,	"bus-uart6",	"apb2",
467		      0x06c, BIT(22), 0);
468static SUNXI_CCU_GATE(bus_uart7_clk,	"bus-uart7",	"apb2",
469		      0x06c, BIT(23), 0);
470
471static SUNXI_CCU_GATE(bus_dbg_clk,	"bus-dbg",	"ahb1",
472		      0x070, BIT(7), 0);
473
474static const char * const ths_parents[] = { "osc24M" };
475static struct ccu_div ths_clk = {
476	.enable	= BIT(31),
477	.div	= _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
478	.mux	= _SUNXI_CCU_MUX(24, 2),
479	.common	= {
480		.reg		= 0x074,
481		.hw.init	= CLK_HW_INIT_PARENTS("ths",
482						      ths_parents,
483						      &ccu_div_ops,
484						      0),
485	},
486};
487
488static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0",
489						     "pll-periph1" };
490static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
491				  0, 4,		/* M */
492				  16, 2,	/* P */
493				  24, 2,	/* mux */
494				  BIT(31),	/* gate */
495				  0);
496
497static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
498				  0, 4,		/* M */
499				  16, 2,	/* P */
500				  24, 2,	/* mux */
501				  BIT(31),	/* gate */
502				  0);
503
504static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
505				  0, 4,		/* M */
506				  16, 2,	/* P */
507				  24, 2,	/* mux */
508				  BIT(31),	/* gate */
509				  0);
510
511static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
512				  0, 4,		/* M */
513				  16, 2,	/* P */
514				  24, 2,	/* mux */
515				  BIT(31),	/* gate */
516				  0);
517
518static SUNXI_CCU_MP_WITH_MUX_GATE(mmc3_clk, "mmc3", mod0_default_parents, 0x094,
519				  0, 4,		/* M */
520				  16, 2,	/* P */
521				  24, 2,	/* mux */
522				  BIT(31),	/* gate */
523				  0);
524
525static const char * const ts_parents[] = { "osc24M", "pll-periph0", };
526static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x098,
527				  0, 4,		/* M */
528				  16, 2,	/* P */
529				  24, 4,	/* mux */
530				  BIT(31),	/* gate */
531				  0);
532
533static const char * const ce_parents[] = { "osc24M", "pll-periph0-2x",
534					   "pll-periph1-2x" };
535static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_parents, 0x09c,
536				  0, 4,		/* M */
537				  16, 2,	/* P */
538				  24, 2,	/* mux */
539				  BIT(31),	/* gate */
540				  0);
541
542static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
543				  0, 4,		/* M */
544				  16, 2,	/* P */
545				  24, 2,	/* mux */
546				  BIT(31),	/* gate */
547				  0);
548
549static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
550				  0, 4,		/* M */
551				  16, 2,	/* P */
552				  24, 2,	/* mux */
553				  BIT(31),	/* gate */
554				  0);
555
556static SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", mod0_default_parents, 0x0a8,
557				  0, 4,		/* M */
558				  16, 2,	/* P */
559				  24, 2,	/* mux */
560				  BIT(31),	/* gate */
561				  0);
562
563static SUNXI_CCU_MP_WITH_MUX_GATE(spi3_clk, "spi3", mod0_default_parents, 0x0ac,
564				  0, 4,		/* M */
565				  16, 2,	/* P */
566				  24, 2,	/* mux */
567				  BIT(31),	/* gate */
568				  0);
569
570static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
571					    "pll-audio-2x", "pll-audio" };
572static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
573			       0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
574
575static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
576			       0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
577
578static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents,
579			       0x0b8, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
580
581static SUNXI_CCU_MUX_WITH_GATE(ac97_clk, "ac97", i2s_parents,
582			       0x0bc, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
583
584static SUNXI_CCU_MUX_WITH_GATE(spdif_clk, "spdif", i2s_parents,
585			       0x0c0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
586
587static const char * const keypad_parents[] = { "osc24M", "osc32k" };
588static const u8 keypad_table[] = { 0, 2 };
589static struct ccu_mp keypad_clk = {
590	.enable	= BIT(31),
591	.m	= _SUNXI_CCU_DIV(0, 5),
592	.p	= _SUNXI_CCU_DIV(16, 2),
593	.mux	= _SUNXI_CCU_MUX_TABLE(24, 2, keypad_table),
594	.common	= {
595		.reg		= 0x0c4,
596		.hw.init	= CLK_HW_INIT_PARENTS("keypad",
597						      keypad_parents,
598						      &ccu_mp_ops,
599						      0),
600	}
601};
602
603static const char * const sata_parents[] = { "pll-sata-out", "sata-ext" };
604static SUNXI_CCU_MUX_WITH_GATE(sata_clk, "sata", sata_parents,
605			       0x0c8, 24, 1, BIT(31), CLK_SET_RATE_PARENT);
606
607/*
608 * There are 3 OHCI 12M clock source selection bits in this register.
609 * We will force them to 0 (12M divided from 48M).
610 */
611#define SUN8I_R40_USB_CLK_REG	0x0cc
612
613static SUNXI_CCU_GATE(usb_phy0_clk,	"usb-phy0",	"osc24M",
614		      0x0cc, BIT(8), 0);
615static SUNXI_CCU_GATE(usb_phy1_clk,	"usb-phy1",	"osc24M",
616		      0x0cc, BIT(9), 0);
617static SUNXI_CCU_GATE(usb_phy2_clk,	"usb-phy2",	"osc24M",
618		      0x0cc, BIT(10), 0);
619static SUNXI_CCU_GATE(usb_ohci0_clk,	"usb-ohci0",	"osc12M",
620		      0x0cc, BIT(16), 0);
621static SUNXI_CCU_GATE(usb_ohci1_clk,	"usb-ohci1",	"osc12M",
622		      0x0cc, BIT(17), 0);
623static SUNXI_CCU_GATE(usb_ohci2_clk,	"usb-ohci2",	"osc12M",
624		      0x0cc, BIT(18), 0);
625
626static const char * const ir_parents[] = { "osc24M", "pll-periph0",
627					   "pll-periph1", "osc32k" };
628static SUNXI_CCU_MP_WITH_MUX_GATE(ir0_clk, "ir0", ir_parents, 0x0d0,
629				  0, 4,		/* M */
630				  16, 2,	/* P */
631				  24, 2,	/* mux */
632				  BIT(31),	/* gate */
633				  0);
634
635static SUNXI_CCU_MP_WITH_MUX_GATE(ir1_clk, "ir1", ir_parents, 0x0d4,
636				  0, 4,		/* M */
637				  16, 2,	/* P */
638				  24, 2,	/* mux */
639				  BIT(31),	/* gate */
640				  0);
641
642static const char * const dram_parents[] = { "pll-ddr0", "pll-ddr1" };
643static SUNXI_CCU_M_WITH_MUX(dram_clk, "dram", dram_parents,
644			    0x0f4, 0, 2, 20, 2, CLK_IS_CRITICAL);
645
646static SUNXI_CCU_GATE(dram_ve_clk,	"dram-ve",	"dram",
647		      0x100, BIT(0), 0);
648static SUNXI_CCU_GATE(dram_csi0_clk,	"dram-csi0",	"dram",
649		      0x100, BIT(1), 0);
650static SUNXI_CCU_GATE(dram_csi1_clk,	"dram-csi1",	"dram",
651		      0x100, BIT(2), 0);
652static SUNXI_CCU_GATE(dram_ts_clk,	"dram-ts",	"dram",
653		      0x100, BIT(3), 0);
654static SUNXI_CCU_GATE(dram_tvd_clk,	"dram-tvd",	"dram",
655		      0x100, BIT(4), 0);
656static SUNXI_CCU_GATE(dram_mp_clk,	"dram-mp",	"dram",
657		      0x100, BIT(5), 0);
658static SUNXI_CCU_GATE(dram_deinterlace_clk,	"dram-deinterlace",	"dram",
659		      0x100, BIT(6), 0);
660
661static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
662static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
663				 0x104, 0, 4, 24, 3, BIT(31),
664				 CLK_SET_RATE_PARENT);
665static SUNXI_CCU_M_WITH_MUX_GATE(mp_clk, "mp", de_parents,
666				 0x108, 0, 4, 24, 3, BIT(31), 0);
667
668static const char * const tcon_parents[] = { "pll-video0", "pll-video1",
669					     "pll-video0-2x", "pll-video1-2x",
670					     "pll-mipi" };
671static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd0_clk, "tcon-lcd0", tcon_parents,
672			       0x110, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
673static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd1_clk, "tcon-lcd1", tcon_parents,
674			       0x114, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
675static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0", tcon_parents,
676				 0x118, 0, 4, 24, 3, BIT(31),
677				 CLK_SET_RATE_PARENT);
678static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv1_clk, "tcon-tv1", tcon_parents,
679				 0x11c, 0, 4, 24, 3, BIT(31),
680				 CLK_SET_RATE_PARENT);
681
682static const char * const deinterlace_parents[] = { "pll-periph0",
683						    "pll-periph1" };
684static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace",
685				 deinterlace_parents, 0x124, 0, 4, 24, 3,
686				 BIT(31), 0);
687
688static const char * const csi_mclk_parents[] = { "osc24M", "pll-video1",
689						 "pll-periph1" };
690static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi1-mclk", csi_mclk_parents,
691				 0x130, 0, 5, 8, 3, BIT(15), 0);
692
693static const char * const csi_sclk_parents[] = { "pll-periph0", "pll-periph1" };
694static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
695				 0x134, 16, 4, 24, 3, BIT(31), 0);
696
697static SUNXI_CCU_M_WITH_MUX_GATE(csi0_mclk_clk, "csi0-mclk", csi_mclk_parents,
698				 0x134, 0, 5, 8, 3, BIT(15), 0);
699
700static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
701			     0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT);
702
703static SUNXI_CCU_GATE(codec_clk,	"codec",	"pll-audio",
704		      0x140, BIT(31), CLK_SET_RATE_PARENT);
705static SUNXI_CCU_GATE(avs_clk,		"avs",		"osc24M",
706		      0x144, BIT(31), 0);
707
708static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" };
709static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
710				 0x150, 0, 4, 24, 2, BIT(31),
711				 CLK_SET_RATE_PARENT);
712
713static SUNXI_CCU_GATE(hdmi_slow_clk,	"hdmi-slow",	"osc24M",
714		      0x154, BIT(31), 0);
715
716/*
717 * In the SoC's user manual, the P factor is mentioned, but not used in
718 * the frequency formula.
719 *
720 * Here the factor is included, according to the BSP kernel source,
721 * which contains the P factor of this clock.
722 */
723static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x",
724					     "pll-ddr0" };
725static SUNXI_CCU_MP_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x15c,
726				  0, 4,		/* M */
727				  16, 2,	/* P */
728				  24, 2,	/* mux */
729				  BIT(31),	/* gate */
730				  CLK_IS_CRITICAL);
731
732static const char * const dsi_dphy_parents[] = { "pll-video0", "pll-video1",
733						 "pll-periph0" };
734static SUNXI_CCU_M_WITH_MUX_GATE(dsi_dphy_clk, "dsi-dphy", dsi_dphy_parents,
735				 0x168, 0, 4, 8, 2, BIT(15), 0);
736
737static SUNXI_CCU_M_WITH_MUX_GATE(tve0_clk, "tve0", tcon_parents,
738				 0x180, 0, 4, 24, 3, BIT(31), 0);
739static SUNXI_CCU_M_WITH_MUX_GATE(tve1_clk, "tve1", tcon_parents,
740				 0x184, 0, 4, 24, 3, BIT(31), 0);
741
742static const char * const tvd_parents[] = { "pll-video0", "pll-video1",
743					    "pll-video0-2x", "pll-video1-2x" };
744static SUNXI_CCU_M_WITH_MUX_GATE(tvd0_clk, "tvd0", tvd_parents,
745				 0x188, 0, 4, 24, 3, BIT(31), 0);
746static SUNXI_CCU_M_WITH_MUX_GATE(tvd1_clk, "tvd1", tvd_parents,
747				 0x18c, 0, 4, 24, 3, BIT(31), 0);
748static SUNXI_CCU_M_WITH_MUX_GATE(tvd2_clk, "tvd2", tvd_parents,
749				 0x190, 0, 4, 24, 3, BIT(31), 0);
750static SUNXI_CCU_M_WITH_MUX_GATE(tvd3_clk, "tvd3", tvd_parents,
751				 0x194, 0, 4, 24, 3, BIT(31), 0);
752
753static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
754			     0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT);
755
756static const char * const out_parents[] = { "osc24M", "osc32k", "osc24M" };
757static const struct ccu_mux_fixed_prediv out_predivs[] = {
758	{ .index = 0, .div = 750, },
759};
760
761static struct ccu_mp outa_clk = {
762	.enable	= BIT(31),
763	.m	= _SUNXI_CCU_DIV(8, 5),
764	.p	= _SUNXI_CCU_DIV(20, 2),
765	.mux	= {
766		.shift		= 24,
767		.width		= 2,
768		.fixed_predivs	= out_predivs,
769		.n_predivs	= ARRAY_SIZE(out_predivs),
770	},
771	.common	= {
772		.reg		= 0x1f0,
773		.features	= CCU_FEATURE_FIXED_PREDIV,
774		.hw.init	= CLK_HW_INIT_PARENTS("outa", out_parents,
775						      &ccu_mp_ops,
776						      CLK_SET_RATE_PARENT),
777	}
778};
779
780static struct ccu_mp outb_clk = {
781	.enable	= BIT(31),
782	.m	= _SUNXI_CCU_DIV(8, 5),
783	.p	= _SUNXI_CCU_DIV(20, 2),
784	.mux	= {
785		.shift		= 24,
786		.width		= 2,
787		.fixed_predivs	= out_predivs,
788		.n_predivs	= ARRAY_SIZE(out_predivs),
789	},
790	.common	= {
791		.reg		= 0x1f4,
792		.features	= CCU_FEATURE_FIXED_PREDIV,
793		.hw.init	= CLK_HW_INIT_PARENTS("outb", out_parents,
794						      &ccu_mp_ops,
795						      CLK_SET_RATE_PARENT),
796	}
797};
798
799static struct ccu_common *sun8i_r40_ccu_clks[] = {
800	&pll_cpu_clk.common,
801	&pll_audio_base_clk.common,
802	&pll_video0_clk.common,
803	&pll_ve_clk.common,
804	&pll_ddr0_clk.common,
805	&pll_periph0_clk.common,
806	&pll_periph0_sata_clk.common,
807	&pll_periph1_clk.common,
808	&pll_video1_clk.common,
809	&pll_sata_clk.common,
810	&pll_sata_out_clk.common,
811	&pll_gpu_clk.common,
812	&pll_mipi_clk.common,
813	&pll_de_clk.common,
814	&pll_ddr1_clk.common,
815	&cpu_clk.common,
816	&axi_clk.common,
817	&ahb1_clk.common,
818	&apb1_clk.common,
819	&apb2_clk.common,
820	&bus_mipi_dsi_clk.common,
821	&bus_ce_clk.common,
822	&bus_dma_clk.common,
823	&bus_mmc0_clk.common,
824	&bus_mmc1_clk.common,
825	&bus_mmc2_clk.common,
826	&bus_mmc3_clk.common,
827	&bus_nand_clk.common,
828	&bus_dram_clk.common,
829	&bus_emac_clk.common,
830	&bus_ts_clk.common,
831	&bus_hstimer_clk.common,
832	&bus_spi0_clk.common,
833	&bus_spi1_clk.common,
834	&bus_spi2_clk.common,
835	&bus_spi3_clk.common,
836	&bus_sata_clk.common,
837	&bus_otg_clk.common,
838	&bus_ehci0_clk.common,
839	&bus_ehci1_clk.common,
840	&bus_ehci2_clk.common,
841	&bus_ohci0_clk.common,
842	&bus_ohci1_clk.common,
843	&bus_ohci2_clk.common,
844	&bus_ve_clk.common,
845	&bus_mp_clk.common,
846	&bus_deinterlace_clk.common,
847	&bus_csi0_clk.common,
848	&bus_csi1_clk.common,
849	&bus_hdmi0_clk.common,
850	&bus_hdmi1_clk.common,
851	&bus_de_clk.common,
852	&bus_tve0_clk.common,
853	&bus_tve1_clk.common,
854	&bus_tve_top_clk.common,
855	&bus_gmac_clk.common,
856	&bus_gpu_clk.common,
857	&bus_tvd0_clk.common,
858	&bus_tvd1_clk.common,
859	&bus_tvd2_clk.common,
860	&bus_tvd3_clk.common,
861	&bus_tvd_top_clk.common,
862	&bus_tcon_lcd0_clk.common,
863	&bus_tcon_lcd1_clk.common,
864	&bus_tcon_tv0_clk.common,
865	&bus_tcon_tv1_clk.common,
866	&bus_tcon_top_clk.common,
867	&bus_codec_clk.common,
868	&bus_spdif_clk.common,
869	&bus_ac97_clk.common,
870	&bus_pio_clk.common,
871	&bus_ir0_clk.common,
872	&bus_ir1_clk.common,
873	&bus_ths_clk.common,
874	&bus_keypad_clk.common,
875	&bus_i2s0_clk.common,
876	&bus_i2s1_clk.common,
877	&bus_i2s2_clk.common,
878	&bus_i2c0_clk.common,
879	&bus_i2c1_clk.common,
880	&bus_i2c2_clk.common,
881	&bus_i2c3_clk.common,
882	&bus_can_clk.common,
883	&bus_scr_clk.common,
884	&bus_ps20_clk.common,
885	&bus_ps21_clk.common,
886	&bus_i2c4_clk.common,
887	&bus_uart0_clk.common,
888	&bus_uart1_clk.common,
889	&bus_uart2_clk.common,
890	&bus_uart3_clk.common,
891	&bus_uart4_clk.common,
892	&bus_uart5_clk.common,
893	&bus_uart6_clk.common,
894	&bus_uart7_clk.common,
895	&bus_dbg_clk.common,
896	&ths_clk.common,
897	&nand_clk.common,
898	&mmc0_clk.common,
899	&mmc1_clk.common,
900	&mmc2_clk.common,
901	&mmc3_clk.common,
902	&ts_clk.common,
903	&ce_clk.common,
904	&spi0_clk.common,
905	&spi1_clk.common,
906	&spi2_clk.common,
907	&spi3_clk.common,
908	&i2s0_clk.common,
909	&i2s1_clk.common,
910	&i2s2_clk.common,
911	&ac97_clk.common,
912	&spdif_clk.common,
913	&keypad_clk.common,
914	&sata_clk.common,
915	&usb_phy0_clk.common,
916	&usb_phy1_clk.common,
917	&usb_phy2_clk.common,
918	&usb_ohci0_clk.common,
919	&usb_ohci1_clk.common,
920	&usb_ohci2_clk.common,
921	&ir0_clk.common,
922	&ir1_clk.common,
923	&dram_clk.common,
924	&dram_ve_clk.common,
925	&dram_csi0_clk.common,
926	&dram_csi1_clk.common,
927	&dram_ts_clk.common,
928	&dram_tvd_clk.common,
929	&dram_mp_clk.common,
930	&dram_deinterlace_clk.common,
931	&de_clk.common,
932	&mp_clk.common,
933	&tcon_lcd0_clk.common,
934	&tcon_lcd1_clk.common,
935	&tcon_tv0_clk.common,
936	&tcon_tv1_clk.common,
937	&deinterlace_clk.common,
938	&csi1_mclk_clk.common,
939	&csi_sclk_clk.common,
940	&csi0_mclk_clk.common,
941	&ve_clk.common,
942	&codec_clk.common,
943	&avs_clk.common,
944	&hdmi_clk.common,
945	&hdmi_slow_clk.common,
946	&mbus_clk.common,
947	&dsi_dphy_clk.common,
948	&tve0_clk.common,
949	&tve1_clk.common,
950	&tvd0_clk.common,
951	&tvd1_clk.common,
952	&tvd2_clk.common,
953	&tvd3_clk.common,
954	&gpu_clk.common,
955	&outa_clk.common,
956	&outb_clk.common,
957};
958
959/* Fixed Factor clocks */
960static CLK_FIXED_FACTOR_FW_NAME(osc12M_clk, "osc12M", "hosc", 2, 1, 0);
961
962static const struct clk_hw *clk_parent_pll_audio[] = {
963	&pll_audio_base_clk.common.hw
964};
965
966/* We hardcode the divider to 1 for now */
967static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio",
968			    clk_parent_pll_audio,
969			    1, 1, CLK_SET_RATE_PARENT);
970static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x",
971			    clk_parent_pll_audio,
972			    2, 1, CLK_SET_RATE_PARENT);
973static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x",
974			    clk_parent_pll_audio,
975			    1, 1, CLK_SET_RATE_PARENT);
976static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x",
977			    clk_parent_pll_audio,
978			    1, 2, CLK_SET_RATE_PARENT);
979static CLK_FIXED_FACTOR_HW(pll_periph0_2x_clk, "pll-periph0-2x",
980			   &pll_periph0_clk.common.hw,
981			   1, 2, 0);
982static CLK_FIXED_FACTOR_HW(pll_periph1_2x_clk, "pll-periph1-2x",
983			   &pll_periph1_clk.common.hw,
984			   1, 2, 0);
985static CLK_FIXED_FACTOR_HW(pll_video0_2x_clk, "pll-video0-2x",
986			   &pll_video0_clk.common.hw,
987			   1, 2, 0);
988static CLK_FIXED_FACTOR_HW(pll_video1_2x_clk, "pll-video1-2x",
989			   &pll_video1_clk.common.hw,
990			   1, 2, 0);
991
992static struct clk_hw_onecell_data sun8i_r40_hw_clks = {
993	.hws	= {
994		[CLK_OSC_12M]		= &osc12M_clk.hw,
995		[CLK_PLL_CPU]		= &pll_cpu_clk.common.hw,
996		[CLK_PLL_AUDIO_BASE]	= &pll_audio_base_clk.common.hw,
997		[CLK_PLL_AUDIO]		= &pll_audio_clk.hw,
998		[CLK_PLL_AUDIO_2X]	= &pll_audio_2x_clk.hw,
999		[CLK_PLL_AUDIO_4X]	= &pll_audio_4x_clk.hw,
1000		[CLK_PLL_AUDIO_8X]	= &pll_audio_8x_clk.hw,
1001		[CLK_PLL_VIDEO0]	= &pll_video0_clk.common.hw,
1002		[CLK_PLL_VIDEO0_2X]	= &pll_video0_2x_clk.hw,
1003		[CLK_PLL_VE]		= &pll_ve_clk.common.hw,
1004		[CLK_PLL_DDR0]		= &pll_ddr0_clk.common.hw,
1005		[CLK_PLL_PERIPH0]	= &pll_periph0_clk.common.hw,
1006		[CLK_PLL_PERIPH0_SATA]	= &pll_periph0_sata_clk.common.hw,
1007		[CLK_PLL_PERIPH0_2X]	= &pll_periph0_2x_clk.hw,
1008		[CLK_PLL_PERIPH1]	= &pll_periph1_clk.common.hw,
1009		[CLK_PLL_PERIPH1_2X]	= &pll_periph1_2x_clk.hw,
1010		[CLK_PLL_VIDEO1]	= &pll_video1_clk.common.hw,
1011		[CLK_PLL_VIDEO1_2X]	= &pll_video1_2x_clk.hw,
1012		[CLK_PLL_SATA]		= &pll_sata_clk.common.hw,
1013		[CLK_PLL_SATA_OUT]	= &pll_sata_out_clk.common.hw,
1014		[CLK_PLL_GPU]		= &pll_gpu_clk.common.hw,
1015		[CLK_PLL_MIPI]		= &pll_mipi_clk.common.hw,
1016		[CLK_PLL_DE]		= &pll_de_clk.common.hw,
1017		[CLK_PLL_DDR1]		= &pll_ddr1_clk.common.hw,
1018		[CLK_CPU]		= &cpu_clk.common.hw,
1019		[CLK_AXI]		= &axi_clk.common.hw,
1020		[CLK_AHB1]		= &ahb1_clk.common.hw,
1021		[CLK_APB1]		= &apb1_clk.common.hw,
1022		[CLK_APB2]		= &apb2_clk.common.hw,
1023		[CLK_BUS_MIPI_DSI]	= &bus_mipi_dsi_clk.common.hw,
1024		[CLK_BUS_CE]		= &bus_ce_clk.common.hw,
1025		[CLK_BUS_DMA]		= &bus_dma_clk.common.hw,
1026		[CLK_BUS_MMC0]		= &bus_mmc0_clk.common.hw,
1027		[CLK_BUS_MMC1]		= &bus_mmc1_clk.common.hw,
1028		[CLK_BUS_MMC2]		= &bus_mmc2_clk.common.hw,
1029		[CLK_BUS_MMC3]		= &bus_mmc3_clk.common.hw,
1030		[CLK_BUS_NAND]		= &bus_nand_clk.common.hw,
1031		[CLK_BUS_DRAM]		= &bus_dram_clk.common.hw,
1032		[CLK_BUS_EMAC]		= &bus_emac_clk.common.hw,
1033		[CLK_BUS_TS]		= &bus_ts_clk.common.hw,
1034		[CLK_BUS_HSTIMER]	= &bus_hstimer_clk.common.hw,
1035		[CLK_BUS_SPI0]		= &bus_spi0_clk.common.hw,
1036		[CLK_BUS_SPI1]		= &bus_spi1_clk.common.hw,
1037		[CLK_BUS_SPI2]		= &bus_spi2_clk.common.hw,
1038		[CLK_BUS_SPI3]		= &bus_spi3_clk.common.hw,
1039		[CLK_BUS_SATA]		= &bus_sata_clk.common.hw,
1040		[CLK_BUS_OTG]		= &bus_otg_clk.common.hw,
1041		[CLK_BUS_EHCI0]		= &bus_ehci0_clk.common.hw,
1042		[CLK_BUS_EHCI1]		= &bus_ehci1_clk.common.hw,
1043		[CLK_BUS_EHCI2]		= &bus_ehci2_clk.common.hw,
1044		[CLK_BUS_OHCI0]		= &bus_ohci0_clk.common.hw,
1045		[CLK_BUS_OHCI1]		= &bus_ohci1_clk.common.hw,
1046		[CLK_BUS_OHCI2]		= &bus_ohci2_clk.common.hw,
1047		[CLK_BUS_VE]		= &bus_ve_clk.common.hw,
1048		[CLK_BUS_MP]		= &bus_mp_clk.common.hw,
1049		[CLK_BUS_DEINTERLACE]	= &bus_deinterlace_clk.common.hw,
1050		[CLK_BUS_CSI0]		= &bus_csi0_clk.common.hw,
1051		[CLK_BUS_CSI1]		= &bus_csi1_clk.common.hw,
1052		[CLK_BUS_HDMI0]		= &bus_hdmi0_clk.common.hw,
1053		[CLK_BUS_HDMI1]		= &bus_hdmi1_clk.common.hw,
1054		[CLK_BUS_DE]		= &bus_de_clk.common.hw,
1055		[CLK_BUS_TVE0]		= &bus_tve0_clk.common.hw,
1056		[CLK_BUS_TVE1]		= &bus_tve1_clk.common.hw,
1057		[CLK_BUS_TVE_TOP]	= &bus_tve_top_clk.common.hw,
1058		[CLK_BUS_GMAC]		= &bus_gmac_clk.common.hw,
1059		[CLK_BUS_GPU]		= &bus_gpu_clk.common.hw,
1060		[CLK_BUS_TVD0]		= &bus_tvd0_clk.common.hw,
1061		[CLK_BUS_TVD1]		= &bus_tvd1_clk.common.hw,
1062		[CLK_BUS_TVD2]		= &bus_tvd2_clk.common.hw,
1063		[CLK_BUS_TVD3]		= &bus_tvd3_clk.common.hw,
1064		[CLK_BUS_TVD_TOP]	= &bus_tvd_top_clk.common.hw,
1065		[CLK_BUS_TCON_LCD0]	= &bus_tcon_lcd0_clk.common.hw,
1066		[CLK_BUS_TCON_LCD1]	= &bus_tcon_lcd1_clk.common.hw,
1067		[CLK_BUS_TCON_TV0]	= &bus_tcon_tv0_clk.common.hw,
1068		[CLK_BUS_TCON_TV1]	= &bus_tcon_tv1_clk.common.hw,
1069		[CLK_BUS_TCON_TOP]	= &bus_tcon_top_clk.common.hw,
1070		[CLK_BUS_CODEC]		= &bus_codec_clk.common.hw,
1071		[CLK_BUS_SPDIF]		= &bus_spdif_clk.common.hw,
1072		[CLK_BUS_AC97]		= &bus_ac97_clk.common.hw,
1073		[CLK_BUS_PIO]		= &bus_pio_clk.common.hw,
1074		[CLK_BUS_IR0]		= &bus_ir0_clk.common.hw,
1075		[CLK_BUS_IR1]		= &bus_ir1_clk.common.hw,
1076		[CLK_BUS_THS]		= &bus_ths_clk.common.hw,
1077		[CLK_BUS_KEYPAD]	= &bus_keypad_clk.common.hw,
1078		[CLK_BUS_I2S0]		= &bus_i2s0_clk.common.hw,
1079		[CLK_BUS_I2S1]		= &bus_i2s1_clk.common.hw,
1080		[CLK_BUS_I2S2]		= &bus_i2s2_clk.common.hw,
1081		[CLK_BUS_I2C0]		= &bus_i2c0_clk.common.hw,
1082		[CLK_BUS_I2C1]		= &bus_i2c1_clk.common.hw,
1083		[CLK_BUS_I2C2]		= &bus_i2c2_clk.common.hw,
1084		[CLK_BUS_I2C3]		= &bus_i2c3_clk.common.hw,
1085		[CLK_BUS_CAN]		= &bus_can_clk.common.hw,
1086		[CLK_BUS_SCR]		= &bus_scr_clk.common.hw,
1087		[CLK_BUS_PS20]		= &bus_ps20_clk.common.hw,
1088		[CLK_BUS_PS21]		= &bus_ps21_clk.common.hw,
1089		[CLK_BUS_I2C4]		= &bus_i2c4_clk.common.hw,
1090		[CLK_BUS_UART0]		= &bus_uart0_clk.common.hw,
1091		[CLK_BUS_UART1]		= &bus_uart1_clk.common.hw,
1092		[CLK_BUS_UART2]		= &bus_uart2_clk.common.hw,
1093		[CLK_BUS_UART3]		= &bus_uart3_clk.common.hw,
1094		[CLK_BUS_UART4]		= &bus_uart4_clk.common.hw,
1095		[CLK_BUS_UART5]		= &bus_uart5_clk.common.hw,
1096		[CLK_BUS_UART6]		= &bus_uart6_clk.common.hw,
1097		[CLK_BUS_UART7]		= &bus_uart7_clk.common.hw,
1098		[CLK_BUS_DBG]		= &bus_dbg_clk.common.hw,
1099		[CLK_THS]		= &ths_clk.common.hw,
1100		[CLK_NAND]		= &nand_clk.common.hw,
1101		[CLK_MMC0]		= &mmc0_clk.common.hw,
1102		[CLK_MMC1]		= &mmc1_clk.common.hw,
1103		[CLK_MMC2]		= &mmc2_clk.common.hw,
1104		[CLK_MMC3]		= &mmc3_clk.common.hw,
1105		[CLK_TS]		= &ts_clk.common.hw,
1106		[CLK_CE]		= &ce_clk.common.hw,
1107		[CLK_SPI0]		= &spi0_clk.common.hw,
1108		[CLK_SPI1]		= &spi1_clk.common.hw,
1109		[CLK_SPI2]		= &spi2_clk.common.hw,
1110		[CLK_SPI3]		= &spi3_clk.common.hw,
1111		[CLK_I2S0]		= &i2s0_clk.common.hw,
1112		[CLK_I2S1]		= &i2s1_clk.common.hw,
1113		[CLK_I2S2]		= &i2s2_clk.common.hw,
1114		[CLK_AC97]		= &ac97_clk.common.hw,
1115		[CLK_SPDIF]		= &spdif_clk.common.hw,
1116		[CLK_KEYPAD]		= &keypad_clk.common.hw,
1117		[CLK_SATA]		= &sata_clk.common.hw,
1118		[CLK_USB_PHY0]		= &usb_phy0_clk.common.hw,
1119		[CLK_USB_PHY1]		= &usb_phy1_clk.common.hw,
1120		[CLK_USB_PHY2]		= &usb_phy2_clk.common.hw,
1121		[CLK_USB_OHCI0]		= &usb_ohci0_clk.common.hw,
1122		[CLK_USB_OHCI1]		= &usb_ohci1_clk.common.hw,
1123		[CLK_USB_OHCI2]		= &usb_ohci2_clk.common.hw,
1124		[CLK_IR0]		= &ir0_clk.common.hw,
1125		[CLK_IR1]		= &ir1_clk.common.hw,
1126		[CLK_DRAM]		= &dram_clk.common.hw,
1127		[CLK_DRAM_VE]		= &dram_ve_clk.common.hw,
1128		[CLK_DRAM_CSI0]		= &dram_csi0_clk.common.hw,
1129		[CLK_DRAM_CSI1]		= &dram_csi1_clk.common.hw,
1130		[CLK_DRAM_TS]		= &dram_ts_clk.common.hw,
1131		[CLK_DRAM_TVD]		= &dram_tvd_clk.common.hw,
1132		[CLK_DRAM_MP]		= &dram_mp_clk.common.hw,
1133		[CLK_DRAM_DEINTERLACE]	= &dram_deinterlace_clk.common.hw,
1134		[CLK_DE]		= &de_clk.common.hw,
1135		[CLK_MP]		= &mp_clk.common.hw,
1136		[CLK_TCON_LCD0]		= &tcon_lcd0_clk.common.hw,
1137		[CLK_TCON_LCD1]		= &tcon_lcd1_clk.common.hw,
1138		[CLK_TCON_TV0]		= &tcon_tv0_clk.common.hw,
1139		[CLK_TCON_TV1]		= &tcon_tv1_clk.common.hw,
1140		[CLK_DEINTERLACE]	= &deinterlace_clk.common.hw,
1141		[CLK_CSI1_MCLK]		= &csi1_mclk_clk.common.hw,
1142		[CLK_CSI_SCLK]		= &csi_sclk_clk.common.hw,
1143		[CLK_CSI0_MCLK]		= &csi0_mclk_clk.common.hw,
1144		[CLK_VE]		= &ve_clk.common.hw,
1145		[CLK_CODEC]		= &codec_clk.common.hw,
1146		[CLK_AVS]		= &avs_clk.common.hw,
1147		[CLK_HDMI]		= &hdmi_clk.common.hw,
1148		[CLK_HDMI_SLOW]		= &hdmi_slow_clk.common.hw,
1149		[CLK_MBUS]		= &mbus_clk.common.hw,
1150		[CLK_DSI_DPHY]		= &dsi_dphy_clk.common.hw,
1151		[CLK_TVE0]		= &tve0_clk.common.hw,
1152		[CLK_TVE1]		= &tve1_clk.common.hw,
1153		[CLK_TVD0]		= &tvd0_clk.common.hw,
1154		[CLK_TVD1]		= &tvd1_clk.common.hw,
1155		[CLK_TVD2]		= &tvd2_clk.common.hw,
1156		[CLK_TVD3]		= &tvd3_clk.common.hw,
1157		[CLK_GPU]		= &gpu_clk.common.hw,
1158		[CLK_OUTA]		= &outa_clk.common.hw,
1159		[CLK_OUTB]		= &outb_clk.common.hw,
1160	},
1161	.num	= CLK_NUMBER,
1162};
1163
1164static struct ccu_reset_map sun8i_r40_ccu_resets[] = {
1165	[RST_USB_PHY0]		=  { 0x0cc, BIT(0) },
1166	[RST_USB_PHY1]		=  { 0x0cc, BIT(1) },
1167	[RST_USB_PHY2]		=  { 0x0cc, BIT(2) },
1168
1169	[RST_DRAM]		=  { 0x0f4, BIT(31) },
1170	[RST_MBUS]		=  { 0x0fc, BIT(31) },
1171
1172	[RST_BUS_MIPI_DSI]	=  { 0x2c0, BIT(1) },
1173	[RST_BUS_CE]		=  { 0x2c0, BIT(5) },
1174	[RST_BUS_DMA]		=  { 0x2c0, BIT(6) },
1175	[RST_BUS_MMC0]		=  { 0x2c0, BIT(8) },
1176	[RST_BUS_MMC1]		=  { 0x2c0, BIT(9) },
1177	[RST_BUS_MMC2]		=  { 0x2c0, BIT(10) },
1178	[RST_BUS_MMC3]		=  { 0x2c0, BIT(11) },
1179	[RST_BUS_NAND]		=  { 0x2c0, BIT(13) },
1180	[RST_BUS_DRAM]		=  { 0x2c0, BIT(14) },
1181	[RST_BUS_EMAC]		=  { 0x2c0, BIT(17) },
1182	[RST_BUS_TS]		=  { 0x2c0, BIT(18) },
1183	[RST_BUS_HSTIMER]	=  { 0x2c0, BIT(19) },
1184	[RST_BUS_SPI0]		=  { 0x2c0, BIT(20) },
1185	[RST_BUS_SPI1]		=  { 0x2c0, BIT(21) },
1186	[RST_BUS_SPI2]		=  { 0x2c0, BIT(22) },
1187	[RST_BUS_SPI3]		=  { 0x2c0, BIT(23) },
1188	[RST_BUS_SATA]		=  { 0x2c0, BIT(24) },
1189	[RST_BUS_OTG]		=  { 0x2c0, BIT(25) },
1190	[RST_BUS_EHCI0]		=  { 0x2c0, BIT(26) },
1191	[RST_BUS_EHCI1]		=  { 0x2c0, BIT(27) },
1192	[RST_BUS_EHCI2]		=  { 0x2c0, BIT(28) },
1193	[RST_BUS_OHCI0]		=  { 0x2c0, BIT(29) },
1194	[RST_BUS_OHCI1]		=  { 0x2c0, BIT(30) },
1195	[RST_BUS_OHCI2]		=  { 0x2c0, BIT(31) },
1196
1197	[RST_BUS_VE]		=  { 0x2c4, BIT(0) },
1198	[RST_BUS_MP]		=  { 0x2c4, BIT(2) },
1199	[RST_BUS_DEINTERLACE]	=  { 0x2c4, BIT(5) },
1200	[RST_BUS_CSI0]		=  { 0x2c4, BIT(8) },
1201	[RST_BUS_CSI1]		=  { 0x2c4, BIT(9) },
1202	[RST_BUS_HDMI0]		=  { 0x2c4, BIT(10) },
1203	[RST_BUS_HDMI1]		=  { 0x2c4, BIT(11) },
1204	[RST_BUS_DE]		=  { 0x2c4, BIT(12) },
1205	[RST_BUS_TVE0]		=  { 0x2c4, BIT(13) },
1206	[RST_BUS_TVE1]		=  { 0x2c4, BIT(14) },
1207	[RST_BUS_TVE_TOP]	=  { 0x2c4, BIT(15) },
1208	[RST_BUS_GMAC]		=  { 0x2c4, BIT(17) },
1209	[RST_BUS_GPU]		=  { 0x2c4, BIT(20) },
1210	[RST_BUS_TVD0]		=  { 0x2c4, BIT(21) },
1211	[RST_BUS_TVD1]		=  { 0x2c4, BIT(22) },
1212	[RST_BUS_TVD2]		=  { 0x2c4, BIT(23) },
1213	[RST_BUS_TVD3]		=  { 0x2c4, BIT(24) },
1214	[RST_BUS_TVD_TOP]	=  { 0x2c4, BIT(25) },
1215	[RST_BUS_TCON_LCD0]	=  { 0x2c4, BIT(26) },
1216	[RST_BUS_TCON_LCD1]	=  { 0x2c4, BIT(27) },
1217	[RST_BUS_TCON_TV0]	=  { 0x2c4, BIT(28) },
1218	[RST_BUS_TCON_TV1]	=  { 0x2c4, BIT(29) },
1219	[RST_BUS_TCON_TOP]	=  { 0x2c4, BIT(30) },
1220	[RST_BUS_DBG]		=  { 0x2c4, BIT(31) },
1221
1222	[RST_BUS_LVDS]		=  { 0x2c8, BIT(0) },
1223
1224	[RST_BUS_CODEC]		=  { 0x2d0, BIT(0) },
1225	[RST_BUS_SPDIF]		=  { 0x2d0, BIT(1) },
1226	[RST_BUS_AC97]		=  { 0x2d0, BIT(2) },
1227	[RST_BUS_IR0]		=  { 0x2d0, BIT(6) },
1228	[RST_BUS_IR1]		=  { 0x2d0, BIT(7) },
1229	[RST_BUS_THS]		=  { 0x2d0, BIT(8) },
1230	[RST_BUS_KEYPAD]	=  { 0x2d0, BIT(10) },
1231	[RST_BUS_I2S0]		=  { 0x2d0, BIT(12) },
1232	[RST_BUS_I2S1]		=  { 0x2d0, BIT(13) },
1233	[RST_BUS_I2S2]		=  { 0x2d0, BIT(14) },
1234
1235	[RST_BUS_I2C0]		=  { 0x2d8, BIT(0) },
1236	[RST_BUS_I2C1]		=  { 0x2d8, BIT(1) },
1237	[RST_BUS_I2C2]		=  { 0x2d8, BIT(2) },
1238	[RST_BUS_I2C3]		=  { 0x2d8, BIT(3) },
1239	[RST_BUS_CAN]		=  { 0x2d8, BIT(4) },
1240	[RST_BUS_SCR]		=  { 0x2d8, BIT(5) },
1241	[RST_BUS_PS20]		=  { 0x2d8, BIT(6) },
1242	[RST_BUS_PS21]		=  { 0x2d8, BIT(7) },
1243	[RST_BUS_I2C4]		=  { 0x2d8, BIT(15) },
1244	[RST_BUS_UART0]		=  { 0x2d8, BIT(16) },
1245	[RST_BUS_UART1]		=  { 0x2d8, BIT(17) },
1246	[RST_BUS_UART2]		=  { 0x2d8, BIT(18) },
1247	[RST_BUS_UART3]		=  { 0x2d8, BIT(19) },
1248	[RST_BUS_UART4]		=  { 0x2d8, BIT(20) },
1249	[RST_BUS_UART5]		=  { 0x2d8, BIT(21) },
1250	[RST_BUS_UART6]		=  { 0x2d8, BIT(22) },
1251	[RST_BUS_UART7]		=  { 0x2d8, BIT(23) },
1252};
1253
1254static const struct sunxi_ccu_desc sun8i_r40_ccu_desc = {
1255	.ccu_clks	= sun8i_r40_ccu_clks,
1256	.num_ccu_clks	= ARRAY_SIZE(sun8i_r40_ccu_clks),
1257
1258	.hw_clks	= &sun8i_r40_hw_clks,
1259
1260	.resets		= sun8i_r40_ccu_resets,
1261	.num_resets	= ARRAY_SIZE(sun8i_r40_ccu_resets),
1262};
1263
1264static struct ccu_pll_nb sun8i_r40_pll_cpu_nb = {
1265	.common	= &pll_cpu_clk.common,
1266	/* copy from pll_cpu_clk */
1267	.enable	= BIT(31),
1268	.lock	= BIT(28),
1269};
1270
1271static struct ccu_mux_nb sun8i_r40_cpu_nb = {
1272	.common		= &cpu_clk.common,
1273	.cm		= &cpu_clk.mux,
1274	.delay_us	= 1, /* > 8 clock cycles at 24 MHz */
1275	.bypass_index	= 1, /* index of 24 MHz oscillator */
1276};
1277
1278/*
1279 * Add a regmap for the GMAC driver (dwmac-sun8i) to access the
1280 * GMAC configuration register.
1281 * Only this register is allowed to be written, in order to
1282 * prevent overriding critical clock configuration.
1283 */
1284
1285#define SUN8I_R40_GMAC_CFG_REG 0x164
1286static bool sun8i_r40_ccu_regmap_accessible_reg(struct device *dev,
1287						unsigned int reg)
1288{
1289	if (reg == SUN8I_R40_GMAC_CFG_REG)
1290		return true;
1291	return false;
1292}
1293
1294static struct regmap_config sun8i_r40_ccu_regmap_config = {
1295	.reg_bits	= 32,
1296	.val_bits	= 32,
1297	.reg_stride	= 4,
1298	.max_register	= 0x320, /* PLL_LOCK_CTRL_REG */
1299
1300	/* other devices have no business accessing other registers */
1301	.readable_reg	= sun8i_r40_ccu_regmap_accessible_reg,
1302	.writeable_reg	= sun8i_r40_ccu_regmap_accessible_reg,
1303};
1304
1305#define SUN8I_R40_SYS_32K_CLK_REG 0x310
1306#define SUN8I_R40_SYS_32K_CLK_KEY (0x16AA << 16)
1307
1308static int sun8i_r40_ccu_probe(struct platform_device *pdev)
1309{
1310	struct resource *res;
1311	struct regmap *regmap;
1312	void __iomem *reg;
1313	u32 val;
1314	int ret;
1315
1316	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1317	reg = devm_ioremap_resource(&pdev->dev, res);
1318	if (IS_ERR(reg))
1319		return PTR_ERR(reg);
1320
1321	/* Force the PLL-Audio-1x divider to 1 */
1322	val = readl(reg + SUN8I_R40_PLL_AUDIO_REG);
1323	val &= ~GENMASK(19, 16);
1324	writel(val | (0 << 16), reg + SUN8I_R40_PLL_AUDIO_REG);
1325
1326	/* Force PLL-MIPI to MIPI mode */
1327	val = readl(reg + SUN8I_R40_PLL_MIPI_REG);
1328	val &= ~BIT(16);
1329	writel(val, reg + SUN8I_R40_PLL_MIPI_REG);
1330
1331	/* Force OHCI 12M parent to 12M divided from 48M */
1332	val = readl(reg + SUN8I_R40_USB_CLK_REG);
1333	val &= ~GENMASK(25, 20);
1334	writel(val, reg + SUN8I_R40_USB_CLK_REG);
1335
1336	/*
1337	 * Force SYS 32k (otherwise known as LOSC throughout the CCU)
1338	 * clock parent to LOSC output from RTC module instead of the
1339	 * CCU's internal RC oscillator divided output.
1340	 */
1341	writel(SUN8I_R40_SYS_32K_CLK_KEY | BIT(8),
1342	       reg + SUN8I_R40_SYS_32K_CLK_REG);
1343
1344	regmap = devm_regmap_init_mmio(&pdev->dev, reg,
1345				       &sun8i_r40_ccu_regmap_config);
1346	if (IS_ERR(regmap))
1347		return PTR_ERR(regmap);
1348
1349	ret = sunxi_ccu_probe(pdev->dev.of_node, reg, &sun8i_r40_ccu_desc);
1350	if (ret)
1351		return ret;
1352
1353	/* Gate then ungate PLL CPU after any rate changes */
1354	ccu_pll_notifier_register(&sun8i_r40_pll_cpu_nb);
1355
1356	/* Reparent CPU during PLL CPU rate changes */
1357	ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk,
1358				  &sun8i_r40_cpu_nb);
1359
1360	return 0;
1361}
1362
1363static const struct of_device_id sun8i_r40_ccu_ids[] = {
1364	{ .compatible = "allwinner,sun8i-r40-ccu" },
1365	{ }
1366};
1367
1368static struct platform_driver sun8i_r40_ccu_driver = {
1369	.probe	= sun8i_r40_ccu_probe,
1370	.driver	= {
1371		.name	= "sun8i-r40-ccu",
1372		.of_match_table	= sun8i_r40_ccu_ids,
1373	},
1374};
1375builtin_platform_driver(sun8i_r40_ccu_driver);
1376