2 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 #include <linux/clk-provider.h>
15 #include <linux/of_address.h>
17 #include "ccu_common.h"
18 #include "ccu_reset.h"
28 #include "ccu_phase.h"
30 #include "ccu-sun8i-a23-a33.h"
32 static struct ccu_nkmp pll_cpux_clk
= {
36 .n
= _SUNXI_CCU_MULT(8, 5),
37 .k
= _SUNXI_CCU_MULT(4, 2),
38 .m
= _SUNXI_CCU_DIV(0, 2),
39 .p
= _SUNXI_CCU_DIV_MAX(16, 2, 4),
43 .hw
.init
= CLK_HW_INIT("pll-cpux", "osc24M",
50 * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
51 * the base (2x, 4x and 8x), and one variable divider (the one true
54 * We don't have any need for the variable divider for now, so we just
55 * hardcode it to match with the clock names
57 #define SUN8I_A33_PLL_AUDIO_REG 0x008
59 static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk
, "pll-audio-base",
67 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk
, "pll-video",
71 BIT(24), /* frac enable */
72 BIT(25), /* frac select */
73 270000000, /* frac rate 0 */
74 297000000, /* frac rate 1 */
79 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk
, "pll-ve",
83 BIT(24), /* frac enable */
84 BIT(25), /* frac select */
85 270000000, /* frac rate 0 */
86 297000000, /* frac rate 1 */
91 static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk
, "pll-ddr0",
100 static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk
, "pll-periph",
107 CLK_SET_RATE_UNGATE
);
109 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk
, "pll-gpu",
113 BIT(24), /* frac enable */
114 BIT(25), /* frac select */
115 270000000, /* frac rate 0 */
116 297000000, /* frac rate 1 */
119 CLK_SET_RATE_UNGATE
);
122 * The MIPI PLL has 2 modes: "MIPI" and "HDMI".
124 * The MIPI mode is a standard NKM-style clock. The HDMI mode is an
125 * integer / fractional clock with switchable multipliers and dividers.
126 * This is not supported here. We hardcode the PLL to MIPI mode.
128 #define SUN8I_A33_PLL_MIPI_REG 0x040
129 static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk
, "pll-mipi",
134 BIT(31) | BIT(23) | BIT(22), /* gate */
136 CLK_SET_RATE_UNGATE
);
138 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk
, "pll-hsic",
142 BIT(24), /* frac enable */
143 BIT(25), /* frac select */
144 270000000, /* frac rate 0 */
145 297000000, /* frac rate 1 */
148 CLK_SET_RATE_UNGATE
);
150 static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk
, "pll-de",
154 BIT(24), /* frac enable */
155 BIT(25), /* frac select */
156 270000000, /* frac rate 0 */
157 297000000, /* frac rate 1 */
160 CLK_SET_RATE_UNGATE
);
162 static struct ccu_mult pll_ddr1_clk
= {
165 .mult
= _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 6, 0, 12, 0),
168 .hw
.init
= CLK_HW_INIT("pll-ddr1", "osc24M",
170 CLK_SET_RATE_UNGATE
),
174 static const char * const cpux_parents
[] = { "osc32k", "osc24M",
175 "pll-cpux" , "pll-cpux" };
176 static SUNXI_CCU_MUX(cpux_clk
, "cpux", cpux_parents
,
177 0x050, 16, 2, CLK_IS_CRITICAL
| CLK_SET_RATE_PARENT
);
179 static SUNXI_CCU_M(axi_clk
, "axi", "cpux", 0x050, 0, 2, 0);
181 static const char * const ahb1_parents
[] = { "osc32k", "osc24M",
182 "axi" , "pll-periph" };
183 static const struct ccu_mux_var_prediv ahb1_predivs
[] = {
184 { .index
= 3, .shift
= 6, .width
= 2 },
186 static struct ccu_div ahb1_clk
= {
187 .div
= _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO
),
193 .var_predivs
= ahb1_predivs
,
194 .n_var_predivs
= ARRAY_SIZE(ahb1_predivs
),
199 .features
= CCU_FEATURE_VARIABLE_PREDIV
,
200 .hw
.init
= CLK_HW_INIT_PARENTS("ahb1",
207 static struct clk_div_table apb1_div_table
[] = {
208 { .val
= 0, .div
= 2 },
209 { .val
= 1, .div
= 2 },
210 { .val
= 2, .div
= 4 },
211 { .val
= 3, .div
= 8 },
214 static SUNXI_CCU_DIV_TABLE(apb1_clk
, "apb1", "ahb1",
215 0x054, 8, 2, apb1_div_table
, 0);
217 static const char * const apb2_parents
[] = { "osc32k", "osc24M",
218 "pll-periph" , "pll-periph" };
219 static SUNXI_CCU_MP_WITH_MUX(apb2_clk
, "apb2", apb2_parents
, 0x058,
225 static SUNXI_CCU_GATE(bus_mipi_dsi_clk
, "bus-mipi-dsi", "ahb1",
227 static SUNXI_CCU_GATE(bus_ss_clk
, "bus-ss", "ahb1",
229 static SUNXI_CCU_GATE(bus_dma_clk
, "bus-dma", "ahb1",
231 static SUNXI_CCU_GATE(bus_mmc0_clk
, "bus-mmc0", "ahb1",
233 static SUNXI_CCU_GATE(bus_mmc1_clk
, "bus-mmc1", "ahb1",
235 static SUNXI_CCU_GATE(bus_mmc2_clk
, "bus-mmc2", "ahb1",
237 static SUNXI_CCU_GATE(bus_nand_clk
, "bus-nand", "ahb1",
239 static SUNXI_CCU_GATE(bus_dram_clk
, "bus-dram", "ahb1",
241 static SUNXI_CCU_GATE(bus_hstimer_clk
, "bus-hstimer", "ahb1",
243 static SUNXI_CCU_GATE(bus_spi0_clk
, "bus-spi0", "ahb1",
245 static SUNXI_CCU_GATE(bus_spi1_clk
, "bus-spi1", "ahb1",
247 static SUNXI_CCU_GATE(bus_otg_clk
, "bus-otg", "ahb1",
249 static SUNXI_CCU_GATE(bus_ehci_clk
, "bus-ehci", "ahb1",
251 static SUNXI_CCU_GATE(bus_ohci_clk
, "bus-ohci", "ahb1",
254 static SUNXI_CCU_GATE(bus_ve_clk
, "bus-ve", "ahb1",
256 static SUNXI_CCU_GATE(bus_lcd_clk
, "bus-lcd", "ahb1",
258 static SUNXI_CCU_GATE(bus_csi_clk
, "bus-csi", "ahb1",
260 static SUNXI_CCU_GATE(bus_de_be_clk
, "bus-de-be", "ahb1",
262 static SUNXI_CCU_GATE(bus_de_fe_clk
, "bus-de-fe", "ahb1",
264 static SUNXI_CCU_GATE(bus_gpu_clk
, "bus-gpu", "ahb1",
266 static SUNXI_CCU_GATE(bus_msgbox_clk
, "bus-msgbox", "ahb1",
268 static SUNXI_CCU_GATE(bus_spinlock_clk
, "bus-spinlock", "ahb1",
270 static SUNXI_CCU_GATE(bus_drc_clk
, "bus-drc", "ahb1",
272 static SUNXI_CCU_GATE(bus_sat_clk
, "bus-sat", "ahb1",
275 static SUNXI_CCU_GATE(bus_codec_clk
, "bus-codec", "apb1",
277 static SUNXI_CCU_GATE(bus_pio_clk
, "bus-pio", "apb1",
279 static SUNXI_CCU_GATE(bus_i2s0_clk
, "bus-i2s0", "apb1",
281 static SUNXI_CCU_GATE(bus_i2s1_clk
, "bus-i2s1", "apb1",
284 static SUNXI_CCU_GATE(bus_i2c0_clk
, "bus-i2c0", "apb2",
286 static SUNXI_CCU_GATE(bus_i2c1_clk
, "bus-i2c1", "apb2",
288 static SUNXI_CCU_GATE(bus_i2c2_clk
, "bus-i2c2", "apb2",
290 static SUNXI_CCU_GATE(bus_uart0_clk
, "bus-uart0", "apb2",
292 static SUNXI_CCU_GATE(bus_uart1_clk
, "bus-uart1", "apb2",
294 static SUNXI_CCU_GATE(bus_uart2_clk
, "bus-uart2", "apb2",
296 static SUNXI_CCU_GATE(bus_uart3_clk
, "bus-uart3", "apb2",
298 static SUNXI_CCU_GATE(bus_uart4_clk
, "bus-uart4", "apb2",
301 static const char * const mod0_default_parents
[] = { "osc24M", "pll-periph" };
302 static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk
, "nand", mod0_default_parents
, 0x080,
309 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk
, "mmc0", mod0_default_parents
, 0x088,
316 static SUNXI_CCU_PHASE(mmc0_sample_clk
, "mmc0_sample", "mmc0",
318 static SUNXI_CCU_PHASE(mmc0_output_clk
, "mmc0_output", "mmc0",
321 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk
, "mmc1", mod0_default_parents
, 0x08c,
328 static SUNXI_CCU_PHASE(mmc1_sample_clk
, "mmc1_sample", "mmc1",
330 static SUNXI_CCU_PHASE(mmc1_output_clk
, "mmc1_output", "mmc1",
333 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk
, "mmc2", mod0_default_parents
, 0x090,
340 static SUNXI_CCU_PHASE(mmc2_sample_clk
, "mmc2_sample", "mmc2",
342 static SUNXI_CCU_PHASE(mmc2_output_clk
, "mmc2_output", "mmc2",
345 static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk
, "ss", mod0_default_parents
, 0x09c,
352 static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk
, "spi0", mod0_default_parents
, 0x0a0,
359 static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk
, "spi1", mod0_default_parents
, 0x0a4,
366 static const char * const i2s_parents
[] = { "pll-audio-8x", "pll-audio-4x",
367 "pll-audio-2x", "pll-audio" };
368 static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk
, "i2s0", i2s_parents
,
369 0x0b0, 16, 2, BIT(31), 0);
371 static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk
, "i2s1", i2s_parents
,
372 0x0b4, 16, 2, BIT(31), 0);
374 /* TODO: the parent for most of the USB clocks is not known */
375 static SUNXI_CCU_GATE(usb_phy0_clk
, "usb-phy0", "osc24M",
377 static SUNXI_CCU_GATE(usb_phy1_clk
, "usb-phy1", "osc24M",
379 static SUNXI_CCU_GATE(usb_hsic_clk
, "usb-hsic", "pll-hsic",
381 static SUNXI_CCU_GATE(usb_hsic_12M_clk
, "usb-hsic-12M", "osc24M",
383 static SUNXI_CCU_GATE(usb_ohci_clk
, "usb-ohci", "osc24M",
386 static SUNXI_CCU_M(dram_clk
, "dram", "pll-ddr",
387 0x0f4, 0, 4, CLK_IS_CRITICAL
);
389 static const char * const pll_ddr_parents
[] = { "pll-ddr0", "pll-ddr1" };
390 static SUNXI_CCU_MUX(pll_ddr_clk
, "pll-ddr", pll_ddr_parents
,
393 static SUNXI_CCU_GATE(dram_ve_clk
, "dram-ve", "dram",
395 static SUNXI_CCU_GATE(dram_csi_clk
, "dram-csi", "dram",
397 static SUNXI_CCU_GATE(dram_drc_clk
, "dram-drc", "dram",
399 static SUNXI_CCU_GATE(dram_de_fe_clk
, "dram-de-fe", "dram",
401 static SUNXI_CCU_GATE(dram_de_be_clk
, "dram-de-be", "dram",
404 static const char * const de_parents
[] = { "pll-video", "pll-periph-2x",
405 "pll-gpu", "pll-de" };
406 static const u8 de_table
[] = { 0, 2, 3, 5 };
407 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk
, "de-be",
408 de_parents
, de_table
,
409 0x104, 0, 4, 24, 3, BIT(31), 0);
411 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk
, "de-fe",
412 de_parents
, de_table
,
413 0x10c, 0, 4, 24, 3, BIT(31), 0);
415 static const char * const lcd_ch0_parents
[] = { "pll-video", "pll-video-2x",
417 static const u8 lcd_ch0_table
[] = { 0, 2, 4 };
418 static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk
, "lcd-ch0",
419 lcd_ch0_parents
, lcd_ch0_table
,
420 0x118, 24, 3, BIT(31),
421 CLK_SET_RATE_PARENT
);
423 static const char * const lcd_ch1_parents
[] = { "pll-video", "pll-video-2x" };
424 static const u8 lcd_ch1_table
[] = { 0, 2 };
425 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk
, "lcd-ch1",
426 lcd_ch1_parents
, lcd_ch1_table
,
427 0x12c, 0, 4, 24, 2, BIT(31), 0);
429 static const char * const csi_sclk_parents
[] = { "pll-video", "pll-de",
430 "pll-mipi", "pll-ve" };
431 static const u8 csi_sclk_table
[] = { 0, 3, 4, 5 };
432 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk
, "csi-sclk",
433 csi_sclk_parents
, csi_sclk_table
,
434 0x134, 16, 4, 24, 3, BIT(31), 0);
436 static const char * const csi_mclk_parents
[] = { "pll-video", "pll-de",
438 static const u8 csi_mclk_table
[] = { 0, 3, 5 };
439 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk
, "csi-mclk",
440 csi_mclk_parents
, csi_mclk_table
,
441 0x134, 0, 5, 8, 3, BIT(15), 0);
443 static SUNXI_CCU_M_WITH_GATE(ve_clk
, "ve", "pll-ve",
444 0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT
);
446 static SUNXI_CCU_GATE(ac_dig_clk
, "ac-dig", "pll-audio",
447 0x140, BIT(31), CLK_SET_RATE_PARENT
);
448 static SUNXI_CCU_GATE(ac_dig_4x_clk
, "ac-dig-4x", "pll-audio-4x",
450 static SUNXI_CCU_GATE(avs_clk
, "avs", "osc24M",
453 static const char * const mbus_parents
[] = { "osc24M", "pll-periph-2x",
454 "pll-ddr0", "pll-ddr1" };
455 static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk
, "mbus", mbus_parents
,
456 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL
);
458 static const char * const dsi_sclk_parents
[] = { "pll-video", "pll-video-2x" };
459 static const u8 dsi_sclk_table
[] = { 0, 2 };
460 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk
, "dsi-sclk",
461 dsi_sclk_parents
, dsi_sclk_table
,
462 0x168, 16, 4, 24, 2, BIT(31), 0);
464 static const char * const dsi_dphy_parents
[] = { "pll-video", "pll-periph" };
465 static const u8 dsi_dphy_table
[] = { 0, 2 };
466 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk
, "dsi-dphy",
467 dsi_dphy_parents
, dsi_dphy_table
,
468 0x168, 0, 4, 8, 2, BIT(15), 0);
470 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk
, "drc",
471 de_parents
, de_table
,
472 0x180, 0, 4, 24, 3, BIT(31), 0);
474 static SUNXI_CCU_M_WITH_GATE(gpu_clk
, "gpu", "pll-gpu",
475 0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT
);
477 static const char * const ats_parents
[] = { "osc24M", "pll-periph" };
478 static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk
, "ats", ats_parents
,
479 0x1b0, 0, 3, 24, 2, BIT(31), 0);
481 static struct ccu_common
*sun8i_a33_ccu_clks
[] = {
482 &pll_cpux_clk
.common
,
483 &pll_audio_base_clk
.common
,
484 &pll_video_clk
.common
,
486 &pll_ddr0_clk
.common
,
487 &pll_periph_clk
.common
,
489 &pll_mipi_clk
.common
,
490 &pll_hsic_clk
.common
,
492 &pll_ddr1_clk
.common
,
499 &bus_mipi_dsi_clk
.common
,
502 &bus_mmc0_clk
.common
,
503 &bus_mmc1_clk
.common
,
504 &bus_mmc2_clk
.common
,
505 &bus_nand_clk
.common
,
506 &bus_dram_clk
.common
,
507 &bus_hstimer_clk
.common
,
508 &bus_spi0_clk
.common
,
509 &bus_spi1_clk
.common
,
511 &bus_ehci_clk
.common
,
512 &bus_ohci_clk
.common
,
516 &bus_de_fe_clk
.common
,
517 &bus_de_be_clk
.common
,
519 &bus_msgbox_clk
.common
,
520 &bus_spinlock_clk
.common
,
523 &bus_codec_clk
.common
,
525 &bus_i2s0_clk
.common
,
526 &bus_i2s1_clk
.common
,
527 &bus_i2c0_clk
.common
,
528 &bus_i2c1_clk
.common
,
529 &bus_i2c2_clk
.common
,
530 &bus_uart0_clk
.common
,
531 &bus_uart1_clk
.common
,
532 &bus_uart2_clk
.common
,
533 &bus_uart3_clk
.common
,
534 &bus_uart4_clk
.common
,
537 &mmc0_sample_clk
.common
,
538 &mmc0_output_clk
.common
,
540 &mmc1_sample_clk
.common
,
541 &mmc1_output_clk
.common
,
543 &mmc2_sample_clk
.common
,
544 &mmc2_output_clk
.common
,
550 &usb_phy0_clk
.common
,
551 &usb_phy1_clk
.common
,
552 &usb_hsic_clk
.common
,
553 &usb_hsic_12M_clk
.common
,
554 &usb_ohci_clk
.common
,
557 &dram_csi_clk
.common
,
558 &dram_drc_clk
.common
,
559 &dram_de_fe_clk
.common
,
560 &dram_de_be_clk
.common
,
565 &csi_sclk_clk
.common
,
566 &csi_mclk_clk
.common
,
569 &ac_dig_4x_clk
.common
,
572 &dsi_sclk_clk
.common
,
573 &dsi_dphy_clk
.common
,
579 /* We hardcode the divider to 4 for now */
580 static CLK_FIXED_FACTOR(pll_audio_clk
, "pll-audio",
581 "pll-audio-base", 4, 1, CLK_SET_RATE_PARENT
);
582 static CLK_FIXED_FACTOR(pll_audio_2x_clk
, "pll-audio-2x",
583 "pll-audio-base", 2, 1, CLK_SET_RATE_PARENT
);
584 static CLK_FIXED_FACTOR(pll_audio_4x_clk
, "pll-audio-4x",
585 "pll-audio-base", 1, 1, CLK_SET_RATE_PARENT
);
586 static CLK_FIXED_FACTOR(pll_audio_8x_clk
, "pll-audio-8x",
587 "pll-audio-base", 1, 2, CLK_SET_RATE_PARENT
);
588 static CLK_FIXED_FACTOR(pll_periph_2x_clk
, "pll-periph-2x",
589 "pll-periph", 1, 2, 0);
590 static CLK_FIXED_FACTOR(pll_video_2x_clk
, "pll-video-2x",
591 "pll-video", 1, 2, 0);
593 static struct clk_hw_onecell_data sun8i_a33_hw_clks
= {
595 [CLK_PLL_CPUX
] = &pll_cpux_clk
.common
.hw
,
596 [CLK_PLL_AUDIO_BASE
] = &pll_audio_base_clk
.common
.hw
,
597 [CLK_PLL_AUDIO
] = &pll_audio_clk
.hw
,
598 [CLK_PLL_AUDIO_2X
] = &pll_audio_2x_clk
.hw
,
599 [CLK_PLL_AUDIO_4X
] = &pll_audio_4x_clk
.hw
,
600 [CLK_PLL_AUDIO_8X
] = &pll_audio_8x_clk
.hw
,
601 [CLK_PLL_VIDEO
] = &pll_video_clk
.common
.hw
,
602 [CLK_PLL_VIDEO_2X
] = &pll_video_2x_clk
.hw
,
603 [CLK_PLL_VE
] = &pll_ve_clk
.common
.hw
,
604 [CLK_PLL_DDR0
] = &pll_ddr0_clk
.common
.hw
,
605 [CLK_PLL_PERIPH
] = &pll_periph_clk
.common
.hw
,
606 [CLK_PLL_PERIPH_2X
] = &pll_periph_2x_clk
.hw
,
607 [CLK_PLL_GPU
] = &pll_gpu_clk
.common
.hw
,
608 [CLK_PLL_MIPI
] = &pll_mipi_clk
.common
.hw
,
609 [CLK_PLL_HSIC
] = &pll_hsic_clk
.common
.hw
,
610 [CLK_PLL_DE
] = &pll_de_clk
.common
.hw
,
611 [CLK_PLL_DDR1
] = &pll_ddr1_clk
.common
.hw
,
612 [CLK_PLL_DDR
] = &pll_ddr_clk
.common
.hw
,
613 [CLK_CPUX
] = &cpux_clk
.common
.hw
,
614 [CLK_AXI
] = &axi_clk
.common
.hw
,
615 [CLK_AHB1
] = &ahb1_clk
.common
.hw
,
616 [CLK_APB1
] = &apb1_clk
.common
.hw
,
617 [CLK_APB2
] = &apb2_clk
.common
.hw
,
618 [CLK_BUS_MIPI_DSI
] = &bus_mipi_dsi_clk
.common
.hw
,
619 [CLK_BUS_SS
] = &bus_ss_clk
.common
.hw
,
620 [CLK_BUS_DMA
] = &bus_dma_clk
.common
.hw
,
621 [CLK_BUS_MMC0
] = &bus_mmc0_clk
.common
.hw
,
622 [CLK_BUS_MMC1
] = &bus_mmc1_clk
.common
.hw
,
623 [CLK_BUS_MMC2
] = &bus_mmc2_clk
.common
.hw
,
624 [CLK_BUS_NAND
] = &bus_nand_clk
.common
.hw
,
625 [CLK_BUS_DRAM
] = &bus_dram_clk
.common
.hw
,
626 [CLK_BUS_HSTIMER
] = &bus_hstimer_clk
.common
.hw
,
627 [CLK_BUS_SPI0
] = &bus_spi0_clk
.common
.hw
,
628 [CLK_BUS_SPI1
] = &bus_spi1_clk
.common
.hw
,
629 [CLK_BUS_OTG
] = &bus_otg_clk
.common
.hw
,
630 [CLK_BUS_EHCI
] = &bus_ehci_clk
.common
.hw
,
631 [CLK_BUS_OHCI
] = &bus_ohci_clk
.common
.hw
,
632 [CLK_BUS_VE
] = &bus_ve_clk
.common
.hw
,
633 [CLK_BUS_LCD
] = &bus_lcd_clk
.common
.hw
,
634 [CLK_BUS_CSI
] = &bus_csi_clk
.common
.hw
,
635 [CLK_BUS_DE_BE
] = &bus_de_be_clk
.common
.hw
,
636 [CLK_BUS_DE_FE
] = &bus_de_fe_clk
.common
.hw
,
637 [CLK_BUS_GPU
] = &bus_gpu_clk
.common
.hw
,
638 [CLK_BUS_MSGBOX
] = &bus_msgbox_clk
.common
.hw
,
639 [CLK_BUS_SPINLOCK
] = &bus_spinlock_clk
.common
.hw
,
640 [CLK_BUS_DRC
] = &bus_drc_clk
.common
.hw
,
641 [CLK_BUS_SAT
] = &bus_sat_clk
.common
.hw
,
642 [CLK_BUS_CODEC
] = &bus_codec_clk
.common
.hw
,
643 [CLK_BUS_PIO
] = &bus_pio_clk
.common
.hw
,
644 [CLK_BUS_I2S0
] = &bus_i2s0_clk
.common
.hw
,
645 [CLK_BUS_I2S1
] = &bus_i2s1_clk
.common
.hw
,
646 [CLK_BUS_I2C0
] = &bus_i2c0_clk
.common
.hw
,
647 [CLK_BUS_I2C1
] = &bus_i2c1_clk
.common
.hw
,
648 [CLK_BUS_I2C2
] = &bus_i2c2_clk
.common
.hw
,
649 [CLK_BUS_UART0
] = &bus_uart0_clk
.common
.hw
,
650 [CLK_BUS_UART1
] = &bus_uart1_clk
.common
.hw
,
651 [CLK_BUS_UART2
] = &bus_uart2_clk
.common
.hw
,
652 [CLK_BUS_UART3
] = &bus_uart3_clk
.common
.hw
,
653 [CLK_BUS_UART4
] = &bus_uart4_clk
.common
.hw
,
654 [CLK_NAND
] = &nand_clk
.common
.hw
,
655 [CLK_MMC0
] = &mmc0_clk
.common
.hw
,
656 [CLK_MMC0_SAMPLE
] = &mmc0_sample_clk
.common
.hw
,
657 [CLK_MMC0_OUTPUT
] = &mmc0_output_clk
.common
.hw
,
658 [CLK_MMC1
] = &mmc1_clk
.common
.hw
,
659 [CLK_MMC1_SAMPLE
] = &mmc1_sample_clk
.common
.hw
,
660 [CLK_MMC1_OUTPUT
] = &mmc1_output_clk
.common
.hw
,
661 [CLK_MMC2
] = &mmc2_clk
.common
.hw
,
662 [CLK_MMC2_SAMPLE
] = &mmc2_sample_clk
.common
.hw
,
663 [CLK_MMC2_OUTPUT
] = &mmc2_output_clk
.common
.hw
,
664 [CLK_SS
] = &ss_clk
.common
.hw
,
665 [CLK_SPI0
] = &spi0_clk
.common
.hw
,
666 [CLK_SPI1
] = &spi1_clk
.common
.hw
,
667 [CLK_I2S0
] = &i2s0_clk
.common
.hw
,
668 [CLK_I2S1
] = &i2s1_clk
.common
.hw
,
669 [CLK_USB_PHY0
] = &usb_phy0_clk
.common
.hw
,
670 [CLK_USB_PHY1
] = &usb_phy1_clk
.common
.hw
,
671 [CLK_USB_HSIC
] = &usb_hsic_clk
.common
.hw
,
672 [CLK_USB_HSIC_12M
] = &usb_hsic_12M_clk
.common
.hw
,
673 [CLK_USB_OHCI
] = &usb_ohci_clk
.common
.hw
,
674 [CLK_DRAM
] = &dram_clk
.common
.hw
,
675 [CLK_DRAM_VE
] = &dram_ve_clk
.common
.hw
,
676 [CLK_DRAM_CSI
] = &dram_csi_clk
.common
.hw
,
677 [CLK_DRAM_DRC
] = &dram_drc_clk
.common
.hw
,
678 [CLK_DRAM_DE_FE
] = &dram_de_fe_clk
.common
.hw
,
679 [CLK_DRAM_DE_BE
] = &dram_de_be_clk
.common
.hw
,
680 [CLK_DE_BE
] = &de_be_clk
.common
.hw
,
681 [CLK_DE_FE
] = &de_fe_clk
.common
.hw
,
682 [CLK_LCD_CH0
] = &lcd_ch0_clk
.common
.hw
,
683 [CLK_LCD_CH1
] = &lcd_ch1_clk
.common
.hw
,
684 [CLK_CSI_SCLK
] = &csi_sclk_clk
.common
.hw
,
685 [CLK_CSI_MCLK
] = &csi_mclk_clk
.common
.hw
,
686 [CLK_VE
] = &ve_clk
.common
.hw
,
687 [CLK_AC_DIG
] = &ac_dig_clk
.common
.hw
,
688 [CLK_AC_DIG_4X
] = &ac_dig_4x_clk
.common
.hw
,
689 [CLK_AVS
] = &avs_clk
.common
.hw
,
690 [CLK_MBUS
] = &mbus_clk
.common
.hw
,
691 [CLK_DSI_SCLK
] = &dsi_sclk_clk
.common
.hw
,
692 [CLK_DSI_DPHY
] = &dsi_dphy_clk
.common
.hw
,
693 [CLK_DRC
] = &drc_clk
.common
.hw
,
694 [CLK_GPU
] = &gpu_clk
.common
.hw
,
695 [CLK_ATS
] = &ats_clk
.common
.hw
,
700 static struct ccu_reset_map sun8i_a33_ccu_resets
[] = {
701 [RST_USB_PHY0
] = { 0x0cc, BIT(0) },
702 [RST_USB_PHY1
] = { 0x0cc, BIT(1) },
703 [RST_USB_HSIC
] = { 0x0cc, BIT(2) },
705 [RST_MBUS
] = { 0x0fc, BIT(31) },
707 [RST_BUS_MIPI_DSI
] = { 0x2c0, BIT(1) },
708 [RST_BUS_SS
] = { 0x2c0, BIT(5) },
709 [RST_BUS_DMA
] = { 0x2c0, BIT(6) },
710 [RST_BUS_MMC0
] = { 0x2c0, BIT(8) },
711 [RST_BUS_MMC1
] = { 0x2c0, BIT(9) },
712 [RST_BUS_MMC2
] = { 0x2c0, BIT(10) },
713 [RST_BUS_NAND
] = { 0x2c0, BIT(13) },
714 [RST_BUS_DRAM
] = { 0x2c0, BIT(14) },
715 [RST_BUS_HSTIMER
] = { 0x2c0, BIT(19) },
716 [RST_BUS_SPI0
] = { 0x2c0, BIT(20) },
717 [RST_BUS_SPI1
] = { 0x2c0, BIT(21) },
718 [RST_BUS_OTG
] = { 0x2c0, BIT(24) },
719 [RST_BUS_EHCI
] = { 0x2c0, BIT(26) },
720 [RST_BUS_OHCI
] = { 0x2c0, BIT(29) },
722 [RST_BUS_VE
] = { 0x2c4, BIT(0) },
723 [RST_BUS_LCD
] = { 0x2c4, BIT(4) },
724 [RST_BUS_CSI
] = { 0x2c4, BIT(8) },
725 [RST_BUS_DE_BE
] = { 0x2c4, BIT(12) },
726 [RST_BUS_DE_FE
] = { 0x2c4, BIT(14) },
727 [RST_BUS_GPU
] = { 0x2c4, BIT(20) },
728 [RST_BUS_MSGBOX
] = { 0x2c4, BIT(21) },
729 [RST_BUS_SPINLOCK
] = { 0x2c4, BIT(22) },
730 [RST_BUS_DRC
] = { 0x2c4, BIT(25) },
731 [RST_BUS_SAT
] = { 0x2c4, BIT(26) },
733 [RST_BUS_LVDS
] = { 0x2c8, BIT(0) },
735 [RST_BUS_CODEC
] = { 0x2d0, BIT(0) },
736 [RST_BUS_I2S0
] = { 0x2d0, BIT(12) },
737 [RST_BUS_I2S1
] = { 0x2d0, BIT(13) },
739 [RST_BUS_I2C0
] = { 0x2d8, BIT(0) },
740 [RST_BUS_I2C1
] = { 0x2d8, BIT(1) },
741 [RST_BUS_I2C2
] = { 0x2d8, BIT(2) },
742 [RST_BUS_UART0
] = { 0x2d8, BIT(16) },
743 [RST_BUS_UART1
] = { 0x2d8, BIT(17) },
744 [RST_BUS_UART2
] = { 0x2d8, BIT(18) },
745 [RST_BUS_UART3
] = { 0x2d8, BIT(19) },
746 [RST_BUS_UART4
] = { 0x2d8, BIT(20) },
749 static const struct sunxi_ccu_desc sun8i_a33_ccu_desc
= {
750 .ccu_clks
= sun8i_a33_ccu_clks
,
751 .num_ccu_clks
= ARRAY_SIZE(sun8i_a33_ccu_clks
),
753 .hw_clks
= &sun8i_a33_hw_clks
,
755 .resets
= sun8i_a33_ccu_resets
,
756 .num_resets
= ARRAY_SIZE(sun8i_a33_ccu_resets
),
759 static struct ccu_pll_nb sun8i_a33_pll_cpu_nb
= {
760 .common
= &pll_cpux_clk
.common
,
761 /* copy from pll_cpux_clk */
766 static struct ccu_mux_nb sun8i_a33_cpu_nb
= {
767 .common
= &cpux_clk
.common
,
769 .delay_us
= 1, /* > 8 clock cycles at 24 MHz */
770 .bypass_index
= 1, /* index of 24 MHz oscillator */
773 static void __init
sun8i_a33_ccu_setup(struct device_node
*node
)
778 reg
= of_io_request_and_map(node
, 0, of_node_full_name(node
));
780 pr_err("%pOF: Could not map the clock registers\n", node
);
784 /* Force the PLL-Audio-1x divider to 4 */
785 val
= readl(reg
+ SUN8I_A33_PLL_AUDIO_REG
);
786 val
&= ~GENMASK(19, 16);
787 writel(val
| (3 << 16), reg
+ SUN8I_A33_PLL_AUDIO_REG
);
789 /* Force PLL-MIPI to MIPI mode */
790 val
= readl(reg
+ SUN8I_A33_PLL_MIPI_REG
);
792 writel(val
, reg
+ SUN8I_A33_PLL_MIPI_REG
);
794 sunxi_ccu_probe(node
, reg
, &sun8i_a33_ccu_desc
);
796 /* Gate then ungate PLL CPU after any rate changes */
797 ccu_pll_notifier_register(&sun8i_a33_pll_cpu_nb
);
799 /* Reparent CPU during PLL CPU rate changes */
800 ccu_mux_notifier_register(pll_cpux_clk
.common
.hw
.clk
,
803 CLK_OF_DECLARE(sun8i_a33_ccu
, "allwinner,sun8i-a33-ccu",
804 sun8i_a33_ccu_setup
);