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Kyle Swenson8d8f6542021-03-15 11:02:55 -06001/*
2 * Ingenic JZ4780 SoC CGU driver
3 *
4 * Copyright (c) 2013-2015 Imagination Technologies
5 * Author: Paul Burton <paul.burton@imgtec.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17
18#include <linux/clk-provider.h>
19#include <linux/delay.h>
20#include <linux/of.h>
21#include <dt-bindings/clock/jz4780-cgu.h>
22#include "cgu.h"
23
24/* CGU register offsets */
25#define CGU_REG_CLOCKCONTROL 0x00
26#define CGU_REG_PLLCONTROL 0x0c
27#define CGU_REG_APLL 0x10
28#define CGU_REG_MPLL 0x14
29#define CGU_REG_EPLL 0x18
30#define CGU_REG_VPLL 0x1c
31#define CGU_REG_CLKGR0 0x20
32#define CGU_REG_OPCR 0x24
33#define CGU_REG_CLKGR1 0x28
34#define CGU_REG_DDRCDR 0x2c
35#define CGU_REG_VPUCDR 0x30
36#define CGU_REG_USBPCR 0x3c
37#define CGU_REG_USBRDT 0x40
38#define CGU_REG_USBVBFIL 0x44
39#define CGU_REG_USBPCR1 0x48
40#define CGU_REG_LP0CDR 0x54
41#define CGU_REG_I2SCDR 0x60
42#define CGU_REG_LP1CDR 0x64
43#define CGU_REG_MSC0CDR 0x68
44#define CGU_REG_UHCCDR 0x6c
45#define CGU_REG_SSICDR 0x74
46#define CGU_REG_CIMCDR 0x7c
47#define CGU_REG_PCMCDR 0x84
48#define CGU_REG_GPUCDR 0x88
49#define CGU_REG_HDMICDR 0x8c
50#define CGU_REG_MSC1CDR 0xa4
51#define CGU_REG_MSC2CDR 0xa8
52#define CGU_REG_BCHCDR 0xac
53#define CGU_REG_CLOCKSTATUS 0xd4
54
55/* bits within the OPCR register */
56#define OPCR_SPENDN0 (1 << 7)
57#define OPCR_SPENDN1 (1 << 6)
58
59/* bits within the USBPCR register */
60#define USBPCR_USB_MODE BIT(31)
61#define USBPCR_IDPULLUP_MASK (0x3 << 28)
62#define USBPCR_COMMONONN BIT(25)
63#define USBPCR_VBUSVLDEXT BIT(24)
64#define USBPCR_VBUSVLDEXTSEL BIT(23)
65#define USBPCR_POR BIT(22)
66#define USBPCR_OTG_DISABLE BIT(20)
67#define USBPCR_COMPDISTUNE_MASK (0x7 << 17)
68#define USBPCR_OTGTUNE_MASK (0x7 << 14)
69#define USBPCR_SQRXTUNE_MASK (0x7 << 11)
70#define USBPCR_TXFSLSTUNE_MASK (0xf << 7)
71#define USBPCR_TXPREEMPHTUNE BIT(6)
72#define USBPCR_TXHSXVTUNE_MASK (0x3 << 4)
73#define USBPCR_TXVREFTUNE_MASK 0xf
74
75/* bits within the USBPCR1 register */
76#define USBPCR1_REFCLKSEL_SHIFT 26
77#define USBPCR1_REFCLKSEL_MASK (0x3 << USBPCR1_REFCLKSEL_SHIFT)
78#define USBPCR1_REFCLKSEL_CORE (0x2 << USBPCR1_REFCLKSEL_SHIFT)
79#define USBPCR1_REFCLKDIV_SHIFT 24
80#define USBPCR1_REFCLKDIV_MASK (0x3 << USBPCR1_REFCLKDIV_SHIFT)
81#define USBPCR1_REFCLKDIV_19_2 (0x3 << USBPCR1_REFCLKDIV_SHIFT)
82#define USBPCR1_REFCLKDIV_48 (0x2 << USBPCR1_REFCLKDIV_SHIFT)
83#define USBPCR1_REFCLKDIV_24 (0x1 << USBPCR1_REFCLKDIV_SHIFT)
84#define USBPCR1_REFCLKDIV_12 (0x0 << USBPCR1_REFCLKDIV_SHIFT)
85#define USBPCR1_USB_SEL BIT(28)
86#define USBPCR1_WORD_IF0 BIT(19)
87#define USBPCR1_WORD_IF1 BIT(18)
88
89/* bits within the USBRDT register */
90#define USBRDT_VBFIL_LD_EN BIT(25)
91#define USBRDT_USBRDT_MASK 0x7fffff
92
93/* bits within the USBVBFIL register */
94#define USBVBFIL_IDDIGFIL_SHIFT 16
95#define USBVBFIL_IDDIGFIL_MASK (0xffff << USBVBFIL_IDDIGFIL_SHIFT)
96#define USBVBFIL_USBVBFIL_MASK (0xffff)
97
98static struct ingenic_cgu *cgu;
99
100static u8 jz4780_otg_phy_get_parent(struct clk_hw *hw)
101{
102 /* we only use CLKCORE, revisit if that ever changes */
103 return 0;
104}
105
106static int jz4780_otg_phy_set_parent(struct clk_hw *hw, u8 idx)
107{
108 unsigned long flags;
109 u32 usbpcr1;
110
111 if (idx > 0)
112 return -EINVAL;
113
114 spin_lock_irqsave(&cgu->lock, flags);
115
116 usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1);
117 usbpcr1 &= ~USBPCR1_REFCLKSEL_MASK;
118 /* we only use CLKCORE */
119 usbpcr1 |= USBPCR1_REFCLKSEL_CORE;
120 writel(usbpcr1, cgu->base + CGU_REG_USBPCR1);
121
122 spin_unlock_irqrestore(&cgu->lock, flags);
123 return 0;
124}
125
126static unsigned long jz4780_otg_phy_recalc_rate(struct clk_hw *hw,
127 unsigned long parent_rate)
128{
129 u32 usbpcr1;
130 unsigned refclk_div;
131
132 usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1);
133 refclk_div = usbpcr1 & USBPCR1_REFCLKDIV_MASK;
134
135 switch (refclk_div) {
136 case USBPCR1_REFCLKDIV_12:
137 return 12000000;
138
139 case USBPCR1_REFCLKDIV_24:
140 return 24000000;
141
142 case USBPCR1_REFCLKDIV_48:
143 return 48000000;
144
145 case USBPCR1_REFCLKDIV_19_2:
146 return 19200000;
147 }
148
149 BUG();
150 return parent_rate;
151}
152
153static long jz4780_otg_phy_round_rate(struct clk_hw *hw, unsigned long req_rate,
154 unsigned long *parent_rate)
155{
156 if (req_rate < 15600000)
157 return 12000000;
158
159 if (req_rate < 21600000)
160 return 19200000;
161
162 if (req_rate < 36000000)
163 return 24000000;
164
165 return 48000000;
166}
167
168static int jz4780_otg_phy_set_rate(struct clk_hw *hw, unsigned long req_rate,
169 unsigned long parent_rate)
170{
171 unsigned long flags;
172 u32 usbpcr1, div_bits;
173
174 switch (req_rate) {
175 case 12000000:
176 div_bits = USBPCR1_REFCLKDIV_12;
177 break;
178
179 case 19200000:
180 div_bits = USBPCR1_REFCLKDIV_19_2;
181 break;
182
183 case 24000000:
184 div_bits = USBPCR1_REFCLKDIV_24;
185 break;
186
187 case 48000000:
188 div_bits = USBPCR1_REFCLKDIV_48;
189 break;
190
191 default:
192 return -EINVAL;
193 }
194
195 spin_lock_irqsave(&cgu->lock, flags);
196
197 usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1);
198 usbpcr1 &= ~USBPCR1_REFCLKDIV_MASK;
199 usbpcr1 |= div_bits;
200 writel(usbpcr1, cgu->base + CGU_REG_USBPCR1);
201
202 spin_unlock_irqrestore(&cgu->lock, flags);
203 return 0;
204}
205
206static struct clk_ops jz4780_otg_phy_ops = {
207 .get_parent = jz4780_otg_phy_get_parent,
208 .set_parent = jz4780_otg_phy_set_parent,
209
210 .recalc_rate = jz4780_otg_phy_recalc_rate,
211 .round_rate = jz4780_otg_phy_round_rate,
212 .set_rate = jz4780_otg_phy_set_rate,
213};
214
215static const s8 pll_od_encoding[16] = {
216 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
217 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf,
218};
219
220static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = {
221
222 /* External clocks */
223
224 [JZ4780_CLK_EXCLK] = { "ext", CGU_CLK_EXT },
225 [JZ4780_CLK_RTCLK] = { "rtc", CGU_CLK_EXT },
226
227 /* PLLs */
228
229#define DEF_PLL(name) { \
230 .reg = CGU_REG_ ## name, \
231 .m_shift = 19, \
232 .m_bits = 13, \
233 .m_offset = 1, \
234 .n_shift = 13, \
235 .n_bits = 6, \
236 .n_offset = 1, \
237 .od_shift = 9, \
238 .od_bits = 4, \
239 .od_max = 16, \
240 .od_encoding = pll_od_encoding, \
241 .stable_bit = 6, \
242 .bypass_bit = 1, \
243 .enable_bit = 0, \
244}
245
246 [JZ4780_CLK_APLL] = {
247 "apll", CGU_CLK_PLL,
248 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
249 .pll = DEF_PLL(APLL),
250 },
251
252 [JZ4780_CLK_MPLL] = {
253 "mpll", CGU_CLK_PLL,
254 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
255 .pll = DEF_PLL(MPLL),
256 },
257
258 [JZ4780_CLK_EPLL] = {
259 "epll", CGU_CLK_PLL,
260 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
261 .pll = DEF_PLL(EPLL),
262 },
263
264 [JZ4780_CLK_VPLL] = {
265 "vpll", CGU_CLK_PLL,
266 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
267 .pll = DEF_PLL(VPLL),
268 },
269
270#undef DEF_PLL
271
272 /* Custom (SoC-specific) OTG PHY */
273
274 [JZ4780_CLK_OTGPHY] = {
275 "otg_phy", CGU_CLK_CUSTOM,
276 .parents = { -1, -1, JZ4780_CLK_EXCLK, -1 },
277 .custom = { &jz4780_otg_phy_ops },
278 },
279
280 /* Muxes & dividers */
281
282 [JZ4780_CLK_SCLKA] = {
283 "sclk_a", CGU_CLK_MUX,
284 .parents = { -1, JZ4780_CLK_APLL, JZ4780_CLK_EXCLK,
285 JZ4780_CLK_RTCLK },
286 .mux = { CGU_REG_CLOCKCONTROL, 30, 2 },
287 },
288
289 [JZ4780_CLK_CPUMUX] = {
290 "cpumux", CGU_CLK_MUX,
291 .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
292 JZ4780_CLK_EPLL },
293 .mux = { CGU_REG_CLOCKCONTROL, 28, 2 },
294 },
295
296 [JZ4780_CLK_CPU] = {
297 "cpu", CGU_CLK_DIV,
298 .parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 },
299 .div = { CGU_REG_CLOCKCONTROL, 0, 4, 22, -1, -1 },
300 },
301
302 [JZ4780_CLK_L2CACHE] = {
303 "l2cache", CGU_CLK_DIV,
304 .parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 },
305 .div = { CGU_REG_CLOCKCONTROL, 4, 4, -1, -1, -1 },
306 },
307
308 [JZ4780_CLK_AHB0] = {
309 "ahb0", CGU_CLK_MUX | CGU_CLK_DIV,
310 .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
311 JZ4780_CLK_EPLL },
312 .mux = { CGU_REG_CLOCKCONTROL, 26, 2 },
313 .div = { CGU_REG_CLOCKCONTROL, 8, 4, 21, -1, -1 },
314 },
315
316 [JZ4780_CLK_AHB2PMUX] = {
317 "ahb2_apb_mux", CGU_CLK_MUX,
318 .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
319 JZ4780_CLK_RTCLK },
320 .mux = { CGU_REG_CLOCKCONTROL, 24, 2 },
321 },
322
323 [JZ4780_CLK_AHB2] = {
324 "ahb2", CGU_CLK_DIV,
325 .parents = { JZ4780_CLK_AHB2PMUX, -1, -1, -1 },
326 .div = { CGU_REG_CLOCKCONTROL, 12, 4, 20, -1, -1 },
327 },
328
329 [JZ4780_CLK_PCLK] = {
330 "pclk", CGU_CLK_DIV,
331 .parents = { JZ4780_CLK_AHB2PMUX, -1, -1, -1 },
332 .div = { CGU_REG_CLOCKCONTROL, 16, 4, 20, -1, -1 },
333 },
334
335 [JZ4780_CLK_DDR] = {
336 "ddr", CGU_CLK_MUX | CGU_CLK_DIV,
337 .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1 },
338 .mux = { CGU_REG_DDRCDR, 30, 2 },
339 .div = { CGU_REG_DDRCDR, 0, 4, 29, 28, 27 },
340 },
341
342 [JZ4780_CLK_VPU] = {
343 "vpu", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
344 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
345 JZ4780_CLK_EPLL, -1 },
346 .mux = { CGU_REG_VPUCDR, 30, 2 },
347 .div = { CGU_REG_VPUCDR, 0, 4, 29, 28, 27 },
348 .gate = { CGU_REG_CLKGR1, 2 },
349 },
350
351 [JZ4780_CLK_I2SPLL] = {
352 "i2s_pll", CGU_CLK_MUX | CGU_CLK_DIV,
353 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_EPLL, -1, -1 },
354 .mux = { CGU_REG_I2SCDR, 30, 1 },
355 .div = { CGU_REG_I2SCDR, 0, 8, 29, 28, 27 },
356 },
357
358 [JZ4780_CLK_I2S] = {
359 "i2s", CGU_CLK_MUX,
360 .parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_I2SPLL, -1, -1 },
361 .mux = { CGU_REG_I2SCDR, 31, 1 },
362 },
363
364 [JZ4780_CLK_LCD0PIXCLK] = {
365 "lcd0pixclk", CGU_CLK_MUX | CGU_CLK_DIV,
366 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
367 JZ4780_CLK_VPLL, -1 },
368 .mux = { CGU_REG_LP0CDR, 30, 2 },
369 .div = { CGU_REG_LP0CDR, 0, 8, 28, 27, 26 },
370 },
371
372 [JZ4780_CLK_LCD1PIXCLK] = {
373 "lcd1pixclk", CGU_CLK_MUX | CGU_CLK_DIV,
374 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
375 JZ4780_CLK_VPLL, -1 },
376 .mux = { CGU_REG_LP1CDR, 30, 2 },
377 .div = { CGU_REG_LP1CDR, 0, 8, 28, 27, 26 },
378 },
379
380 [JZ4780_CLK_MSCMUX] = {
381 "msc_mux", CGU_CLK_MUX,
382 .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1 },
383 .mux = { CGU_REG_MSC0CDR, 30, 2 },
384 },
385
386 [JZ4780_CLK_MSC0] = {
387 "msc0", CGU_CLK_DIV | CGU_CLK_GATE,
388 .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 },
389 .div = { CGU_REG_MSC0CDR, 0, 8, 29, 28, 27 },
390 .gate = { CGU_REG_CLKGR0, 3 },
391 },
392
393 [JZ4780_CLK_MSC1] = {
394 "msc1", CGU_CLK_DIV | CGU_CLK_GATE,
395 .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 },
396 .div = { CGU_REG_MSC1CDR, 0, 8, 29, 28, 27 },
397 .gate = { CGU_REG_CLKGR0, 11 },
398 },
399
400 [JZ4780_CLK_MSC2] = {
401 "msc2", CGU_CLK_DIV | CGU_CLK_GATE,
402 .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 },
403 .div = { CGU_REG_MSC2CDR, 0, 8, 29, 28, 27 },
404 .gate = { CGU_REG_CLKGR0, 12 },
405 },
406
407 [JZ4780_CLK_UHC] = {
408 "uhc", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
409 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
410 JZ4780_CLK_EPLL, JZ4780_CLK_OTGPHY },
411 .mux = { CGU_REG_UHCCDR, 30, 2 },
412 .div = { CGU_REG_UHCCDR, 0, 8, 29, 28, 27 },
413 .gate = { CGU_REG_CLKGR0, 24 },
414 },
415
416 [JZ4780_CLK_SSIPLL] = {
417 "ssi_pll", CGU_CLK_MUX | CGU_CLK_DIV,
418 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1, -1 },
419 .mux = { CGU_REG_SSICDR, 30, 1 },
420 .div = { CGU_REG_SSICDR, 0, 8, 29, 28, 27 },
421 },
422
423 [JZ4780_CLK_SSI] = {
424 "ssi", CGU_CLK_MUX,
425 .parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_SSIPLL, -1, -1 },
426 .mux = { CGU_REG_SSICDR, 31, 1 },
427 },
428
429 [JZ4780_CLK_CIMMCLK] = {
430 "cim_mclk", CGU_CLK_MUX | CGU_CLK_DIV,
431 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1, -1 },
432 .mux = { CGU_REG_CIMCDR, 31, 1 },
433 .div = { CGU_REG_CIMCDR, 0, 8, 30, 29, 28 },
434 },
435
436 [JZ4780_CLK_PCMPLL] = {
437 "pcm_pll", CGU_CLK_MUX | CGU_CLK_DIV,
438 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
439 JZ4780_CLK_EPLL, JZ4780_CLK_VPLL },
440 .mux = { CGU_REG_PCMCDR, 29, 2 },
441 .div = { CGU_REG_PCMCDR, 0, 8, 28, 27, 26 },
442 },
443
444 [JZ4780_CLK_PCM] = {
445 "pcm", CGU_CLK_MUX | CGU_CLK_GATE,
446 .parents = { JZ4780_CLK_EXCLK, JZ4780_CLK_PCMPLL, -1, -1 },
447 .mux = { CGU_REG_PCMCDR, 31, 1 },
448 .gate = { CGU_REG_CLKGR1, 3 },
449 },
450
451 [JZ4780_CLK_GPU] = {
452 "gpu", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
453 .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
454 JZ4780_CLK_EPLL },
455 .mux = { CGU_REG_GPUCDR, 30, 2 },
456 .div = { CGU_REG_GPUCDR, 0, 4, 29, 28, 27 },
457 .gate = { CGU_REG_CLKGR1, 4 },
458 },
459
460 [JZ4780_CLK_HDMI] = {
461 "hdmi", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
462 .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
463 JZ4780_CLK_VPLL, -1 },
464 .mux = { CGU_REG_HDMICDR, 30, 2 },
465 .div = { CGU_REG_HDMICDR, 0, 8, 29, 28, 26 },
466 .gate = { CGU_REG_CLKGR1, 9 },
467 },
468
469 [JZ4780_CLK_BCH] = {
470 "bch", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE,
471 .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL,
472 JZ4780_CLK_EPLL },
473 .mux = { CGU_REG_BCHCDR, 30, 2 },
474 .div = { CGU_REG_BCHCDR, 0, 4, 29, 28, 27 },
475 .gate = { CGU_REG_CLKGR0, 1 },
476 },
477
478 /* Gate-only clocks */
479
480 [JZ4780_CLK_NEMC] = {
481 "nemc", CGU_CLK_GATE,
482 .parents = { JZ4780_CLK_AHB2, -1, -1, -1 },
483 .gate = { CGU_REG_CLKGR0, 0 },
484 },
485
486 [JZ4780_CLK_OTG0] = {
487 "otg0", CGU_CLK_GATE,
488 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
489 .gate = { CGU_REG_CLKGR0, 2 },
490 },
491
492 [JZ4780_CLK_SSI0] = {
493 "ssi0", CGU_CLK_GATE,
494 .parents = { JZ4780_CLK_SSI, -1, -1, -1 },
495 .gate = { CGU_REG_CLKGR0, 4 },
496 },
497
498 [JZ4780_CLK_SMB0] = {
499 "smb0", CGU_CLK_GATE,
500 .parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
501 .gate = { CGU_REG_CLKGR0, 5 },
502 },
503
504 [JZ4780_CLK_SMB1] = {
505 "smb1", CGU_CLK_GATE,
506 .parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
507 .gate = { CGU_REG_CLKGR0, 6 },
508 },
509
510 [JZ4780_CLK_SCC] = {
511 "scc", CGU_CLK_GATE,
512 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
513 .gate = { CGU_REG_CLKGR0, 7 },
514 },
515
516 [JZ4780_CLK_AIC] = {
517 "aic", CGU_CLK_GATE,
518 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
519 .gate = { CGU_REG_CLKGR0, 8 },
520 },
521
522 [JZ4780_CLK_TSSI0] = {
523 "tssi0", CGU_CLK_GATE,
524 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
525 .gate = { CGU_REG_CLKGR0, 9 },
526 },
527
528 [JZ4780_CLK_OWI] = {
529 "owi", CGU_CLK_GATE,
530 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
531 .gate = { CGU_REG_CLKGR0, 10 },
532 },
533
534 [JZ4780_CLK_KBC] = {
535 "kbc", CGU_CLK_GATE,
536 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
537 .gate = { CGU_REG_CLKGR0, 13 },
538 },
539
540 [JZ4780_CLK_SADC] = {
541 "sadc", CGU_CLK_GATE,
542 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
543 .gate = { CGU_REG_CLKGR0, 14 },
544 },
545
546 [JZ4780_CLK_UART0] = {
547 "uart0", CGU_CLK_GATE,
548 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
549 .gate = { CGU_REG_CLKGR0, 15 },
550 },
551
552 [JZ4780_CLK_UART1] = {
553 "uart1", CGU_CLK_GATE,
554 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
555 .gate = { CGU_REG_CLKGR0, 16 },
556 },
557
558 [JZ4780_CLK_UART2] = {
559 "uart2", CGU_CLK_GATE,
560 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
561 .gate = { CGU_REG_CLKGR0, 17 },
562 },
563
564 [JZ4780_CLK_UART3] = {
565 "uart3", CGU_CLK_GATE,
566 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
567 .gate = { CGU_REG_CLKGR0, 18 },
568 },
569
570 [JZ4780_CLK_SSI1] = {
571 "ssi1", CGU_CLK_GATE,
572 .parents = { JZ4780_CLK_SSI, -1, -1, -1 },
573 .gate = { CGU_REG_CLKGR0, 19 },
574 },
575
576 [JZ4780_CLK_SSI2] = {
577 "ssi2", CGU_CLK_GATE,
578 .parents = { JZ4780_CLK_SSI, -1, -1, -1 },
579 .gate = { CGU_REG_CLKGR0, 20 },
580 },
581
582 [JZ4780_CLK_PDMA] = {
583 "pdma", CGU_CLK_GATE,
584 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
585 .gate = { CGU_REG_CLKGR0, 21 },
586 },
587
588 [JZ4780_CLK_GPS] = {
589 "gps", CGU_CLK_GATE,
590 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
591 .gate = { CGU_REG_CLKGR0, 22 },
592 },
593
594 [JZ4780_CLK_MAC] = {
595 "mac", CGU_CLK_GATE,
596 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
597 .gate = { CGU_REG_CLKGR0, 23 },
598 },
599
600 [JZ4780_CLK_SMB2] = {
601 "smb2", CGU_CLK_GATE,
602 .parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
603 .gate = { CGU_REG_CLKGR0, 24 },
604 },
605
606 [JZ4780_CLK_CIM] = {
607 "cim", CGU_CLK_GATE,
608 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
609 .gate = { CGU_REG_CLKGR0, 26 },
610 },
611
612 [JZ4780_CLK_LCD] = {
613 "lcd", CGU_CLK_GATE,
614 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
615 .gate = { CGU_REG_CLKGR0, 28 },
616 },
617
618 [JZ4780_CLK_TVE] = {
619 "tve", CGU_CLK_GATE,
620 .parents = { JZ4780_CLK_LCD, -1, -1, -1 },
621 .gate = { CGU_REG_CLKGR0, 27 },
622 },
623
624 [JZ4780_CLK_IPU] = {
625 "ipu", CGU_CLK_GATE,
626 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
627 .gate = { CGU_REG_CLKGR0, 29 },
628 },
629
630 [JZ4780_CLK_DDR0] = {
631 "ddr0", CGU_CLK_GATE,
632 .parents = { JZ4780_CLK_DDR, -1, -1, -1 },
633 .gate = { CGU_REG_CLKGR0, 30 },
634 },
635
636 [JZ4780_CLK_DDR1] = {
637 "ddr1", CGU_CLK_GATE,
638 .parents = { JZ4780_CLK_DDR, -1, -1, -1 },
639 .gate = { CGU_REG_CLKGR0, 31 },
640 },
641
642 [JZ4780_CLK_SMB3] = {
643 "smb3", CGU_CLK_GATE,
644 .parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
645 .gate = { CGU_REG_CLKGR1, 0 },
646 },
647
648 [JZ4780_CLK_TSSI1] = {
649 "tssi1", CGU_CLK_GATE,
650 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
651 .gate = { CGU_REG_CLKGR1, 1 },
652 },
653
654 [JZ4780_CLK_COMPRESS] = {
655 "compress", CGU_CLK_GATE,
656 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
657 .gate = { CGU_REG_CLKGR1, 5 },
658 },
659
660 [JZ4780_CLK_AIC1] = {
661 "aic1", CGU_CLK_GATE,
662 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
663 .gate = { CGU_REG_CLKGR1, 6 },
664 },
665
666 [JZ4780_CLK_GPVLC] = {
667 "gpvlc", CGU_CLK_GATE,
668 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
669 .gate = { CGU_REG_CLKGR1, 7 },
670 },
671
672 [JZ4780_CLK_OTG1] = {
673 "otg1", CGU_CLK_GATE,
674 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
675 .gate = { CGU_REG_CLKGR1, 8 },
676 },
677
678 [JZ4780_CLK_UART4] = {
679 "uart4", CGU_CLK_GATE,
680 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
681 .gate = { CGU_REG_CLKGR1, 10 },
682 },
683
684 [JZ4780_CLK_AHBMON] = {
685 "ahb_mon", CGU_CLK_GATE,
686 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
687 .gate = { CGU_REG_CLKGR1, 11 },
688 },
689
690 [JZ4780_CLK_SMB4] = {
691 "smb4", CGU_CLK_GATE,
692 .parents = { JZ4780_CLK_PCLK, -1, -1, -1 },
693 .gate = { CGU_REG_CLKGR1, 12 },
694 },
695
696 [JZ4780_CLK_DES] = {
697 "des", CGU_CLK_GATE,
698 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
699 .gate = { CGU_REG_CLKGR1, 13 },
700 },
701
702 [JZ4780_CLK_X2D] = {
703 "x2d", CGU_CLK_GATE,
704 .parents = { JZ4780_CLK_EXCLK, -1, -1, -1 },
705 .gate = { CGU_REG_CLKGR1, 14 },
706 },
707
708 [JZ4780_CLK_CORE1] = {
709 "core1", CGU_CLK_GATE,
710 .parents = { JZ4780_CLK_CPU, -1, -1, -1 },
711 .gate = { CGU_REG_CLKGR1, 15 },
712 },
713
714};
715
716static void __init jz4780_cgu_init(struct device_node *np)
717{
718 int retval;
719
720 cgu = ingenic_cgu_new(jz4780_cgu_clocks,
721 ARRAY_SIZE(jz4780_cgu_clocks), np);
722 if (!cgu) {
723 pr_err("%s: failed to initialise CGU\n", __func__);
724 return;
725 }
726
727 retval = ingenic_cgu_register_clocks(cgu);
728 if (retval) {
729 pr_err("%s: failed to register CGU Clocks\n", __func__);
730 return;
731 }
732}
733CLK_OF_DECLARE(jz4780_cgu, "ingenic,jz4780-cgu", jz4780_cgu_init);