2 * Copyright (c) 2016 Chen-Yu Tsai. 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>
16 #include <linux/of_address.h>
17 #include <linux/platform_device.h>
19 #include "ccu_common.h"
20 #include "ccu_reset.h"
27 #include "ccu_phase.h"
29 #include "ccu-sun9i-a80.h"
31 #define CCU_SUN9I_LOCK_REG 0x09c
34 * The CPU PLLs are actually NP clocks, with P being /1 or /4. However
35 * P should only be used for output frequencies lower than 228 MHz.
36 * Neither mainline Linux, U-boot, nor the vendor BSPs use these.
38 * For now we can just model it as a multiplier clock, and force P to /1.
40 #define SUN9I_A80_PLL_C0CPUX_REG 0x000
41 #define SUN9I_A80_PLL_C1CPUX_REG 0x004
43 static struct ccu_mult pll_c0cpux_clk = {
46 .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
48 .reg = SUN9I_A80_PLL_C0CPUX_REG,
49 .lock_reg = CCU_SUN9I_LOCK_REG,
50 .features = CCU_FEATURE_LOCK_REG,
51 .hw.init = CLK_HW_INIT("pll-c0cpux", "osc24M",
57 static struct ccu_mult pll_c1cpux_clk = {
60 .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
62 .reg = SUN9I_A80_PLL_C1CPUX_REG,
63 .lock_reg = CCU_SUN9I_LOCK_REG,
64 .features = CCU_FEATURE_LOCK_REG,
65 .hw.init = CLK_HW_INIT("pll-c1cpux", "osc24M",
72 * The Audio PLL has d1, d2 dividers in addition to the usual N, M
73 * factors. Since we only need 2 frequencies from this PLL: 22.5792 MHz
74 * and 24.576 MHz, ignore them for now. Enforce d1 = 0 and d2 = 0.
76 #define SUN9I_A80_PLL_AUDIO_REG 0x008
78 static struct ccu_nm pll_audio_clk = {
81 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
82 .m = _SUNXI_CCU_DIV_OFFSET(0, 6, 0),
85 .lock_reg = CCU_SUN9I_LOCK_REG,
86 .features = CCU_FEATURE_LOCK_REG,
87 .hw.init = CLK_HW_INIT("pll-audio", "osc24M",
88 &ccu_nm_ops, CLK_SET_RATE_UNGATE),
92 /* Some PLLs are input * N / div1 / div2. Model them as NKMP with no K */
93 static struct ccu_nkmp pll_periph0_clk = {
96 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
97 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
98 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
101 .lock_reg = CCU_SUN9I_LOCK_REG,
102 .features = CCU_FEATURE_LOCK_REG,
103 .hw.init = CLK_HW_INIT("pll-periph0", "osc24M",
105 CLK_SET_RATE_UNGATE),
109 static struct ccu_nkmp pll_ve_clk = {
112 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
113 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
114 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
117 .lock_reg = CCU_SUN9I_LOCK_REG,
118 .features = CCU_FEATURE_LOCK_REG,
119 .hw.init = CLK_HW_INIT("pll-ve", "osc24M",
121 CLK_SET_RATE_UNGATE),
125 static struct ccu_nkmp pll_ddr_clk = {
128 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
129 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
130 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
133 .lock_reg = CCU_SUN9I_LOCK_REG,
134 .features = CCU_FEATURE_LOCK_REG,
135 .hw.init = CLK_HW_INIT("pll-ddr", "osc24M",
137 CLK_SET_RATE_UNGATE),
141 static struct ccu_nm pll_video0_clk = {
144 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
145 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
148 .lock_reg = CCU_SUN9I_LOCK_REG,
149 .features = CCU_FEATURE_LOCK_REG,
150 .hw.init = CLK_HW_INIT("pll-video0", "osc24M",
152 CLK_SET_RATE_UNGATE),
156 static struct ccu_nkmp pll_video1_clk = {
159 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
160 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
161 .p = _SUNXI_CCU_DIV(0, 2), /* external divider p */
164 .lock_reg = CCU_SUN9I_LOCK_REG,
165 .features = CCU_FEATURE_LOCK_REG,
166 .hw.init = CLK_HW_INIT("pll-video1", "osc24M",
168 CLK_SET_RATE_UNGATE),
172 static struct ccu_nkmp pll_gpu_clk = {
175 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
176 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
177 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
180 .lock_reg = CCU_SUN9I_LOCK_REG,
181 .features = CCU_FEATURE_LOCK_REG,
182 .hw.init = CLK_HW_INIT("pll-gpu", "osc24M",
184 CLK_SET_RATE_UNGATE),
188 static struct ccu_nkmp pll_de_clk = {
191 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
192 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
193 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
196 .lock_reg = CCU_SUN9I_LOCK_REG,
197 .features = CCU_FEATURE_LOCK_REG,
198 .hw.init = CLK_HW_INIT("pll-de", "osc24M",
200 CLK_SET_RATE_UNGATE),
204 static struct ccu_nkmp pll_isp_clk = {
207 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
208 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
209 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
212 .lock_reg = CCU_SUN9I_LOCK_REG,
213 .features = CCU_FEATURE_LOCK_REG,
214 .hw.init = CLK_HW_INIT("pll-isp", "osc24M",
216 CLK_SET_RATE_UNGATE),
220 static struct ccu_nkmp pll_periph1_clk = {
223 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
224 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
225 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
228 .lock_reg = CCU_SUN9I_LOCK_REG,
229 .features = CCU_FEATURE_LOCK_REG,
230 .hw.init = CLK_HW_INIT("pll-periph1", "osc24M",
232 CLK_SET_RATE_UNGATE),
236 static const char * const c0cpux_parents[] = { "osc24M", "pll-c0cpux" };
237 static SUNXI_CCU_MUX(c0cpux_clk, "c0cpux", c0cpux_parents,
238 0x50, 0, 1, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
240 static const char * const c1cpux_parents[] = { "osc24M", "pll-c1cpux" };
241 static SUNXI_CCU_MUX(c1cpux_clk, "c1cpux", c1cpux_parents,
242 0x50, 8, 1, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
244 static struct clk_div_table axi_div_table[] = {
245 { .val = 0, .div = 1 },
246 { .val = 1, .div = 2 },
247 { .val = 2, .div = 3 },
248 { .val = 3, .div = 4 },
249 { .val = 4, .div = 4 },
250 { .val = 5, .div = 4 },
251 { .val = 6, .div = 4 },
252 { .val = 7, .div = 4 },
256 static SUNXI_CCU_M(atb0_clk, "atb0", "c0cpux", 0x054, 8, 2, 0);
258 static SUNXI_CCU_DIV_TABLE(axi0_clk, "axi0", "c0cpux",
259 0x054, 0, 3, axi_div_table, 0);
261 static SUNXI_CCU_M(atb1_clk, "atb1", "c1cpux", 0x058, 8, 2, 0);
263 static SUNXI_CCU_DIV_TABLE(axi1_clk, "axi1", "c1cpux",
264 0x058, 0, 3, axi_div_table, 0);
266 static const char * const gtbus_parents[] = { "osc24M", "pll-periph0",
267 "pll-periph1", "pll-periph1" };
268 static SUNXI_CCU_M_WITH_MUX(gtbus_clk, "gtbus", gtbus_parents,
269 0x05c, 0, 2, 24, 2, CLK_IS_CRITICAL);
271 static const char * const ahb_parents[] = { "gtbus", "pll-periph0",
272 "pll-periph1", "pll-periph1" };
273 static struct ccu_div ahb0_clk = {
274 .div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
275 .mux = _SUNXI_CCU_MUX(24, 2),
278 .hw.init = CLK_HW_INIT_PARENTS("ahb0",
285 static struct ccu_div ahb1_clk = {
286 .div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
287 .mux = _SUNXI_CCU_MUX(24, 2),
290 .hw.init = CLK_HW_INIT_PARENTS("ahb1",
297 static struct ccu_div ahb2_clk = {
298 .div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
299 .mux = _SUNXI_CCU_MUX(24, 2),
302 .hw.init = CLK_HW_INIT_PARENTS("ahb2",
309 static const char * const apb_parents[] = { "osc24M", "pll-periph0" };
311 static struct ccu_div apb0_clk = {
312 .div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
313 .mux = _SUNXI_CCU_MUX(24, 1),
316 .hw.init = CLK_HW_INIT_PARENTS("apb0",
323 static struct ccu_div apb1_clk = {
324 .div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
325 .mux = _SUNXI_CCU_MUX(24, 1),
328 .hw.init = CLK_HW_INIT_PARENTS("apb1",
335 static struct ccu_div cci400_clk = {
336 .div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
337 .mux = _SUNXI_CCU_MUX(24, 2),
340 .hw.init = CLK_HW_INIT_PARENTS("cci400",
347 static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", apb_parents,
348 0x080, 0, 3, 24, 2, BIT(31), 0);
350 static SUNXI_CCU_M_WITH_MUX_GATE(trace_clk, "trace", apb_parents,
351 0x084, 0, 3, 24, 2, BIT(31), 0);
353 static const char * const out_parents[] = { "osc24M", "osc32k", "osc24M" };
354 static const struct ccu_mux_fixed_prediv out_prediv = {
355 .index = 0, .div = 750
358 static struct ccu_mp out_a_clk = {
360 .m = _SUNXI_CCU_DIV(8, 5),
361 .p = _SUNXI_CCU_DIV(20, 2),
365 .fixed_predivs = &out_prediv,
370 .features = CCU_FEATURE_FIXED_PREDIV,
371 .hw.init = CLK_HW_INIT_PARENTS("out-a",
378 static struct ccu_mp out_b_clk = {
380 .m = _SUNXI_CCU_DIV(8, 5),
381 .p = _SUNXI_CCU_DIV(20, 2),
385 .fixed_predivs = &out_prediv,
390 .features = CCU_FEATURE_FIXED_PREDIV,
391 .hw.init = CLK_HW_INIT_PARENTS("out-b",
398 static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0" };
400 static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_0_clk, "nand0-0", mod0_default_parents,
408 static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_1_clk, "nand0-1", mod0_default_parents,
416 static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_0_clk, "nand1-0", mod0_default_parents,
424 static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_1_clk, "nand1-1", mod0_default_parents,
432 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents,
440 static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0-sample", "mmc0",
442 static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0-output", "mmc0",
445 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents,
453 static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1-sample", "mmc1",
455 static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1-output", "mmc1",
458 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents,
466 static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2-sample", "mmc2",
468 static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2-output", "mmc2",
471 static SUNXI_CCU_MP_WITH_MUX_GATE(mmc3_clk, "mmc3", mod0_default_parents,
479 static SUNXI_CCU_PHASE(mmc3_sample_clk, "mmc3-sample", "mmc3",
481 static SUNXI_CCU_PHASE(mmc3_output_clk, "mmc3-output", "mmc3",
484 static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", mod0_default_parents,
492 static const char * const ss_parents[] = { "osc24M", "pll-periph",
494 static const u8 ss_table[] = { 0, 1, 13 };
495 static struct ccu_mp ss_clk = {
497 .m = _SUNXI_CCU_DIV(0, 4),
498 .p = _SUNXI_CCU_DIV(16, 2),
499 .mux = _SUNXI_CCU_MUX_TABLE(24, 4, ss_table),
502 .hw.init = CLK_HW_INIT_PARENTS("ss",
509 static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents,
517 static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents,
525 static SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", mod0_default_parents,
533 static SUNXI_CCU_MP_WITH_MUX_GATE(spi3_clk, "spi3", mod0_default_parents,
541 static SUNXI_CCU_M_WITH_GATE(i2s0_clk, "i2s0", "pll-audio",
542 0x440, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
543 static SUNXI_CCU_M_WITH_GATE(i2s1_clk, "i2s1", "pll-audio",
544 0x444, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
545 static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
546 0x44c, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
548 static const char * const sdram_parents[] = { "pll-periph0", "pll-ddr" };
549 static const u8 sdram_table[] = { 0, 3 };
551 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(sdram_clk, "sdram",
552 sdram_parents, sdram_table,
559 static SUNXI_CCU_M_WITH_GATE(de_clk, "de", "pll-de", 0x490,
560 0, 4, BIT(31), CLK_SET_RATE_PARENT);
562 static SUNXI_CCU_GATE(edp_clk, "edp", "osc24M", 0x494, BIT(31), 0);
564 static const char * const mp_parents[] = { "pll-video1", "pll-gpu", "pll-de" };
565 static const u8 mp_table[] = { 9, 10, 11 };
566 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mp_clk, "mp", mp_parents, mp_table,
573 static const char * const display_parents[] = { "pll-video0", "pll-video1" };
574 static const u8 display_table[] = { 8, 9 };
576 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd0_clk, "lcd0",
577 display_parents, display_table,
582 CLK_SET_RATE_NO_REPARENT |
583 CLK_SET_RATE_PARENT);
585 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd1_clk, "lcd1",
586 display_parents, display_table,
591 CLK_SET_RATE_NO_REPARENT |
592 CLK_SET_RATE_PARENT);
594 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mipi_dsi0_clk, "mipi-dsi0",
595 display_parents, display_table,
600 CLK_SET_RATE_PARENT);
602 static const char * const mipi_dsi1_parents[] = { "osc24M", "pll-video1" };
603 static const u8 mipi_dsi1_table[] = { 0, 9 };
604 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mipi_dsi1_clk, "mipi-dsi1",
605 mipi_dsi1_parents, mipi_dsi1_table,
610 CLK_SET_RATE_PARENT);
612 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(hdmi_clk, "hdmi",
613 display_parents, display_table,
618 CLK_SET_RATE_NO_REPARENT |
619 CLK_SET_RATE_PARENT);
621 static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M", 0x4b4, BIT(31), 0);
623 static SUNXI_CCU_M_WITH_GATE(mipi_csi_clk, "mipi-csi", "osc24M", 0x4bc,
626 static SUNXI_CCU_M_WITH_GATE(csi_isp_clk, "csi-isp", "pll-isp", 0x4c0,
627 0, 4, BIT(31), CLK_SET_RATE_PARENT);
629 static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M", 0x4c0, BIT(16), 0);
631 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi0_mclk_clk, "csi0-mclk",
632 mipi_dsi1_parents, mipi_dsi1_table,
637 CLK_SET_RATE_PARENT);
639 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi1_mclk_clk, "csi1-mclk",
640 mipi_dsi1_parents, mipi_dsi1_table,
645 CLK_SET_RATE_PARENT);
647 static const char * const fd_parents[] = { "pll-periph0", "pll-isp" };
648 static const u8 fd_table[] = { 1, 12 };
649 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(fd_clk, "fd", fd_parents, fd_table,
655 static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve", 0x4d0,
656 16, 3, BIT(31), CLK_SET_RATE_PARENT);
658 static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x4d4, BIT(31), 0);
660 static SUNXI_CCU_M_WITH_GATE(gpu_core_clk, "gpu-core", "pll-gpu", 0x4f0,
661 0, 3, BIT(31), CLK_SET_RATE_PARENT);
662 static SUNXI_CCU_M_WITH_GATE(gpu_memory_clk, "gpu-memory", "pll-gpu", 0x4f4,
663 0, 3, BIT(31), CLK_SET_RATE_PARENT);
665 static const char * const gpu_axi_parents[] = { "pll-periph0", "pll-gpu" };
666 static const u8 gpu_axi_table[] = { 1, 10 };
667 static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(gpu_axi_clk, "gpu-axi",
668 gpu_axi_parents, gpu_axi_table,
673 CLK_SET_RATE_PARENT);
675 static SUNXI_CCU_M_WITH_GATE(sata_clk, "sata", "pll-periph0", 0x500,
678 static SUNXI_CCU_M_WITH_GATE(ac97_clk, "ac97", "pll-audio",
679 0x504, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
681 static SUNXI_CCU_M_WITH_MUX_GATE(mipi_hsi_clk, "mipi-hsi",
682 mod0_default_parents, 0x508,
688 static const char * const gpadc_parents[] = { "osc24M", "pll-audio", "osc32k" };
689 static const u8 gpadc_table[] = { 0, 4, 7 };
690 static struct ccu_mp gpadc_clk = {
692 .m = _SUNXI_CCU_DIV(0, 4),
693 .p = _SUNXI_CCU_DIV(16, 2),
694 .mux = _SUNXI_CCU_MUX_TABLE(24, 4, gpadc_table),
697 .hw.init = CLK_HW_INIT_PARENTS("gpadc",
704 static const char * const cir_tx_parents[] = { "osc24M", "osc32k" };
705 static const u8 cir_tx_table[] = { 0, 7 };
706 static struct ccu_mp cir_tx_clk = {
708 .m = _SUNXI_CCU_DIV(0, 4),
709 .p = _SUNXI_CCU_DIV(16, 2),
710 .mux = _SUNXI_CCU_MUX_TABLE(24, 4, cir_tx_table),
713 .hw.init = CLK_HW_INIT_PARENTS("cir-tx",
721 static SUNXI_CCU_GATE(bus_fd_clk, "bus-fd", "ahb0",
723 static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb0",
725 static SUNXI_CCU_GATE(bus_gpu_ctrl_clk, "bus-gpu-ctrl", "ahb0",
727 static SUNXI_CCU_GATE(bus_ss_clk, "bus-ss", "ahb0",
729 static SUNXI_CCU_GATE(bus_mmc_clk, "bus-mmc", "ahb0",
731 static SUNXI_CCU_GATE(bus_nand0_clk, "bus-nand0", "ahb0",
733 static SUNXI_CCU_GATE(bus_nand1_clk, "bus-nand1", "ahb0",
735 static SUNXI_CCU_GATE(bus_sdram_clk, "bus-sdram", "ahb0",
737 static SUNXI_CCU_GATE(bus_mipi_hsi_clk, "bus-mipi-hsi", "ahb0",
739 static SUNXI_CCU_GATE(bus_sata_clk, "bus-sata", "ahb0",
741 static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb0",
743 static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb0",
745 static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb0",
747 static SUNXI_CCU_GATE(bus_spi2_clk, "bus-spi2", "ahb0",
749 static SUNXI_CCU_GATE(bus_spi3_clk, "bus-spi3", "ahb0",
753 static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
755 static SUNXI_CCU_GATE(bus_usb_clk, "bus-usb", "ahb1",
757 static SUNXI_CCU_GATE(bus_gmac_clk, "bus-gmac", "ahb1",
759 static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1",
761 static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
763 static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1",
765 static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1",
769 static SUNXI_CCU_GATE(bus_lcd0_clk, "bus-lcd0", "ahb2",
771 static SUNXI_CCU_GATE(bus_lcd1_clk, "bus-lcd1", "ahb2",
773 static SUNXI_CCU_GATE(bus_edp_clk, "bus-edp", "ahb2",
775 static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb2",
777 static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb2",
779 static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "ahb2",
781 static SUNXI_CCU_GATE(bus_mp_clk, "bus-mp", "ahb2",
783 static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb2",
787 static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb0",
789 static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb0",
791 static SUNXI_CCU_GATE(bus_ac97_clk, "bus-ac97", "apb0",
793 static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb0",
795 static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb0",
797 static SUNXI_CCU_GATE(bus_lradc_clk, "bus-lradc", "apb0",
799 static SUNXI_CCU_GATE(bus_gpadc_clk, "bus-gpadc", "apb0",
801 static SUNXI_CCU_GATE(bus_twd_clk, "bus-twd", "apb0",
803 static SUNXI_CCU_GATE(bus_cir_tx_clk, "bus-cir-tx", "apb0",
807 static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb1",
809 static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb1",
811 static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb1",
813 static SUNXI_CCU_GATE(bus_i2c3_clk, "bus-i2c3", "apb1",
815 static SUNXI_CCU_GATE(bus_i2c4_clk, "bus-i2c4", "apb1",
817 static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb1",
819 static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb1",
821 static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb1",
823 static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb1",
825 static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb1",
827 static SUNXI_CCU_GATE(bus_uart5_clk, "bus-uart5", "apb1",
830 static struct ccu_common *sun9i_a80_ccu_clks[] = {
831 &pll_c0cpux_clk.common,
832 &pll_c1cpux_clk.common,
833 &pll_audio_clk.common,
834 &pll_periph0_clk.common,
837 &pll_video0_clk.common,
838 &pll_video1_clk.common,
842 &pll_periph1_clk.common,
868 &mmc0_sample_clk.common,
869 &mmc0_output_clk.common,
871 &mmc1_sample_clk.common,
872 &mmc1_output_clk.common,
874 &mmc2_sample_clk.common,
875 &mmc2_output_clk.common,
877 &mmc3_sample_clk.common,
878 &mmc3_output_clk.common,
894 &mipi_dsi0_clk.common,
895 &mipi_dsi1_clk.common,
897 &hdmi_slow_clk.common,
898 &mipi_csi_clk.common,
900 &csi_misc_clk.common,
901 &csi0_mclk_clk.common,
902 &csi1_mclk_clk.common,
906 &gpu_core_clk.common,
907 &gpu_memory_clk.common,
911 &mipi_hsi_clk.common,
918 &bus_gpu_ctrl_clk.common,
921 &bus_nand0_clk.common,
922 &bus_nand1_clk.common,
923 &bus_sdram_clk.common,
924 &bus_mipi_hsi_clk.common,
925 &bus_sata_clk.common,
927 &bus_spi0_clk.common,
928 &bus_spi1_clk.common,
929 &bus_spi2_clk.common,
930 &bus_spi3_clk.common,
935 &bus_gmac_clk.common,
936 &bus_msgbox_clk.common,
937 &bus_spinlock_clk.common,
938 &bus_hstimer_clk.common,
942 &bus_lcd0_clk.common,
943 &bus_lcd1_clk.common,
946 &bus_hdmi_clk.common,
949 &bus_mipi_dsi_clk.common,
952 &bus_spdif_clk.common,
954 &bus_ac97_clk.common,
955 &bus_i2s0_clk.common,
956 &bus_i2s1_clk.common,
957 &bus_lradc_clk.common,
958 &bus_gpadc_clk.common,
960 &bus_cir_tx_clk.common,
963 &bus_i2c0_clk.common,
964 &bus_i2c1_clk.common,
965 &bus_i2c2_clk.common,
966 &bus_i2c3_clk.common,
967 &bus_i2c4_clk.common,
968 &bus_uart0_clk.common,
969 &bus_uart1_clk.common,
970 &bus_uart2_clk.common,
971 &bus_uart3_clk.common,
972 &bus_uart4_clk.common,
973 &bus_uart5_clk.common,
976 static struct clk_hw_onecell_data sun9i_a80_hw_clks = {
978 [CLK_PLL_C0CPUX] = &pll_c0cpux_clk.common.hw,
979 [CLK_PLL_C1CPUX] = &pll_c1cpux_clk.common.hw,
980 [CLK_PLL_AUDIO] = &pll_audio_clk.common.hw,
981 [CLK_PLL_PERIPH0] = &pll_periph0_clk.common.hw,
982 [CLK_PLL_VE] = &pll_ve_clk.common.hw,
983 [CLK_PLL_DDR] = &pll_ddr_clk.common.hw,
984 [CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw,
985 [CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw,
986 [CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
987 [CLK_PLL_DE] = &pll_de_clk.common.hw,
988 [CLK_PLL_ISP] = &pll_isp_clk.common.hw,
989 [CLK_PLL_PERIPH1] = &pll_periph1_clk.common.hw,
990 [CLK_C0CPUX] = &c0cpux_clk.common.hw,
991 [CLK_C1CPUX] = &c1cpux_clk.common.hw,
992 [CLK_ATB0] = &atb0_clk.common.hw,
993 [CLK_AXI0] = &axi0_clk.common.hw,
994 [CLK_ATB1] = &atb1_clk.common.hw,
995 [CLK_AXI1] = &axi1_clk.common.hw,
996 [CLK_GTBUS] = >bus_clk.common.hw,
997 [CLK_AHB0] = &ahb0_clk.common.hw,
998 [CLK_AHB1] = &ahb1_clk.common.hw,
999 [CLK_AHB2] = &ahb2_clk.common.hw,
1000 [CLK_APB0] = &apb0_clk.common.hw,
1001 [CLK_APB1] = &apb1_clk.common.hw,
1002 [CLK_CCI400] = &cci400_clk.common.hw,
1003 [CLK_ATS] = &ats_clk.common.hw,
1004 [CLK_TRACE] = &trace_clk.common.hw,
1006 [CLK_OUT_A] = &out_a_clk.common.hw,
1007 [CLK_OUT_B] = &out_b_clk.common.hw,
1009 [CLK_NAND0_0] = &nand0_0_clk.common.hw,
1010 [CLK_NAND0_1] = &nand0_1_clk.common.hw,
1011 [CLK_NAND1_0] = &nand1_0_clk.common.hw,
1012 [CLK_NAND1_1] = &nand1_1_clk.common.hw,
1013 [CLK_MMC0] = &mmc0_clk.common.hw,
1014 [CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw,
1015 [CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw,
1016 [CLK_MMC1] = &mmc1_clk.common.hw,
1017 [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw,
1018 [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw,
1019 [CLK_MMC2] = &mmc2_clk.common.hw,
1020 [CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw,
1021 [CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw,
1022 [CLK_MMC3] = &mmc3_clk.common.hw,
1023 [CLK_MMC3_SAMPLE] = &mmc3_sample_clk.common.hw,
1024 [CLK_MMC3_OUTPUT] = &mmc3_output_clk.common.hw,
1025 [CLK_TS] = &ts_clk.common.hw,
1026 [CLK_SS] = &ss_clk.common.hw,
1027 [CLK_SPI0] = &spi0_clk.common.hw,
1028 [CLK_SPI1] = &spi1_clk.common.hw,
1029 [CLK_SPI2] = &spi2_clk.common.hw,
1030 [CLK_SPI3] = &spi3_clk.common.hw,
1031 [CLK_I2S0] = &i2s0_clk.common.hw,
1032 [CLK_I2S1] = &i2s1_clk.common.hw,
1033 [CLK_SPDIF] = &spdif_clk.common.hw,
1034 [CLK_SDRAM] = &sdram_clk.common.hw,
1035 [CLK_DE] = &de_clk.common.hw,
1036 [CLK_EDP] = &edp_clk.common.hw,
1037 [CLK_MP] = &mp_clk.common.hw,
1038 [CLK_LCD0] = &lcd0_clk.common.hw,
1039 [CLK_LCD1] = &lcd1_clk.common.hw,
1040 [CLK_MIPI_DSI0] = &mipi_dsi0_clk.common.hw,
1041 [CLK_MIPI_DSI1] = &mipi_dsi1_clk.common.hw,
1042 [CLK_HDMI] = &hdmi_clk.common.hw,
1043 [CLK_HDMI_SLOW] = &hdmi_slow_clk.common.hw,
1044 [CLK_MIPI_CSI] = &mipi_csi_clk.common.hw,
1045 [CLK_CSI_ISP] = &csi_isp_clk.common.hw,
1046 [CLK_CSI_MISC] = &csi_misc_clk.common.hw,
1047 [CLK_CSI0_MCLK] = &csi0_mclk_clk.common.hw,
1048 [CLK_CSI1_MCLK] = &csi1_mclk_clk.common.hw,
1049 [CLK_FD] = &fd_clk.common.hw,
1050 [CLK_VE] = &ve_clk.common.hw,
1051 [CLK_AVS] = &avs_clk.common.hw,
1052 [CLK_GPU_CORE] = &gpu_core_clk.common.hw,
1053 [CLK_GPU_MEMORY] = &gpu_memory_clk.common.hw,
1054 [CLK_GPU_AXI] = &gpu_axi_clk.common.hw,
1055 [CLK_SATA] = &sata_clk.common.hw,
1056 [CLK_AC97] = &ac97_clk.common.hw,
1057 [CLK_MIPI_HSI] = &mipi_hsi_clk.common.hw,
1058 [CLK_GPADC] = &gpadc_clk.common.hw,
1059 [CLK_CIR_TX] = &cir_tx_clk.common.hw,
1061 [CLK_BUS_FD] = &bus_fd_clk.common.hw,
1062 [CLK_BUS_VE] = &bus_ve_clk.common.hw,
1063 [CLK_BUS_GPU_CTRL] = &bus_gpu_ctrl_clk.common.hw,
1064 [CLK_BUS_SS] = &bus_ss_clk.common.hw,
1065 [CLK_BUS_MMC] = &bus_mmc_clk.common.hw,
1066 [CLK_BUS_NAND0] = &bus_nand0_clk.common.hw,
1067 [CLK_BUS_NAND1] = &bus_nand1_clk.common.hw,
1068 [CLK_BUS_SDRAM] = &bus_sdram_clk.common.hw,
1069 [CLK_BUS_MIPI_HSI] = &bus_mipi_hsi_clk.common.hw,
1070 [CLK_BUS_SATA] = &bus_sata_clk.common.hw,
1071 [CLK_BUS_TS] = &bus_ts_clk.common.hw,
1072 [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw,
1073 [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw,
1074 [CLK_BUS_SPI2] = &bus_spi2_clk.common.hw,
1075 [CLK_BUS_SPI3] = &bus_spi3_clk.common.hw,
1077 [CLK_BUS_OTG] = &bus_otg_clk.common.hw,
1078 [CLK_BUS_USB] = &bus_usb_clk.common.hw,
1079 [CLK_BUS_GMAC] = &bus_gmac_clk.common.hw,
1080 [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
1081 [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
1082 [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
1083 [CLK_BUS_DMA] = &bus_dma_clk.common.hw,
1085 [CLK_BUS_LCD0] = &bus_lcd0_clk.common.hw,
1086 [CLK_BUS_LCD1] = &bus_lcd1_clk.common.hw,
1087 [CLK_BUS_EDP] = &bus_edp_clk.common.hw,
1088 [CLK_BUS_CSI] = &bus_csi_clk.common.hw,
1089 [CLK_BUS_HDMI] = &bus_hdmi_clk.common.hw,
1090 [CLK_BUS_DE] = &bus_de_clk.common.hw,
1091 [CLK_BUS_MP] = &bus_mp_clk.common.hw,
1092 [CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw,
1094 [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw,
1095 [CLK_BUS_PIO] = &bus_pio_clk.common.hw,
1096 [CLK_BUS_AC97] = &bus_ac97_clk.common.hw,
1097 [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
1098 [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
1099 [CLK_BUS_LRADC] = &bus_lradc_clk.common.hw,
1100 [CLK_BUS_GPADC] = &bus_gpadc_clk.common.hw,
1101 [CLK_BUS_TWD] = &bus_twd_clk.common.hw,
1102 [CLK_BUS_CIR_TX] = &bus_cir_tx_clk.common.hw,
1104 [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw,
1105 [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw,
1106 [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw,
1107 [CLK_BUS_I2C3] = &bus_i2c3_clk.common.hw,
1108 [CLK_BUS_I2C4] = &bus_i2c4_clk.common.hw,
1109 [CLK_BUS_UART0] = &bus_uart0_clk.common.hw,
1110 [CLK_BUS_UART1] = &bus_uart1_clk.common.hw,
1111 [CLK_BUS_UART2] = &bus_uart2_clk.common.hw,
1112 [CLK_BUS_UART3] = &bus_uart3_clk.common.hw,
1113 [CLK_BUS_UART4] = &bus_uart4_clk.common.hw,
1114 [CLK_BUS_UART5] = &bus_uart5_clk.common.hw,
1119 static struct ccu_reset_map sun9i_a80_ccu_resets[] = {
1120 /* AHB0 reset controls */
1121 [RST_BUS_FD] = { 0x5a0, BIT(0) },
1122 [RST_BUS_VE] = { 0x5a0, BIT(1) },
1123 [RST_BUS_GPU_CTRL] = { 0x5a0, BIT(3) },
1124 [RST_BUS_SS] = { 0x5a0, BIT(5) },
1125 [RST_BUS_MMC] = { 0x5a0, BIT(8) },
1126 [RST_BUS_NAND0] = { 0x5a0, BIT(12) },
1127 [RST_BUS_NAND1] = { 0x5a0, BIT(13) },
1128 [RST_BUS_SDRAM] = { 0x5a0, BIT(14) },
1129 [RST_BUS_SATA] = { 0x5a0, BIT(16) },
1130 [RST_BUS_TS] = { 0x5a0, BIT(18) },
1131 [RST_BUS_SPI0] = { 0x5a0, BIT(20) },
1132 [RST_BUS_SPI1] = { 0x5a0, BIT(21) },
1133 [RST_BUS_SPI2] = { 0x5a0, BIT(22) },
1134 [RST_BUS_SPI3] = { 0x5a0, BIT(23) },
1136 /* AHB1 reset controls */
1137 [RST_BUS_OTG] = { 0x5a4, BIT(0) },
1138 [RST_BUS_OTG_PHY] = { 0x5a4, BIT(1) },
1139 [RST_BUS_MIPI_HSI] = { 0x5a4, BIT(9) },
1140 [RST_BUS_GMAC] = { 0x5a4, BIT(17) },
1141 [RST_BUS_MSGBOX] = { 0x5a4, BIT(21) },
1142 [RST_BUS_SPINLOCK] = { 0x5a4, BIT(22) },
1143 [RST_BUS_HSTIMER] = { 0x5a4, BIT(23) },
1144 [RST_BUS_DMA] = { 0x5a4, BIT(24) },
1146 /* AHB2 reset controls */
1147 [RST_BUS_LCD0] = { 0x5a8, BIT(0) },
1148 [RST_BUS_LCD1] = { 0x5a8, BIT(1) },
1149 [RST_BUS_EDP] = { 0x5a8, BIT(2) },
1150 [RST_BUS_LVDS] = { 0x5a8, BIT(3) },
1151 [RST_BUS_CSI] = { 0x5a8, BIT(4) },
1152 [RST_BUS_HDMI0] = { 0x5a8, BIT(5) },
1153 [RST_BUS_HDMI1] = { 0x5a8, BIT(6) },
1154 [RST_BUS_DE] = { 0x5a8, BIT(7) },
1155 [RST_BUS_MP] = { 0x5a8, BIT(8) },
1156 [RST_BUS_GPU] = { 0x5a8, BIT(9) },
1157 [RST_BUS_MIPI_DSI] = { 0x5a8, BIT(11) },
1159 /* APB0 reset controls */
1160 [RST_BUS_SPDIF] = { 0x5b0, BIT(1) },
1161 [RST_BUS_AC97] = { 0x5b0, BIT(11) },
1162 [RST_BUS_I2S0] = { 0x5b0, BIT(12) },
1163 [RST_BUS_I2S1] = { 0x5b0, BIT(13) },
1164 [RST_BUS_LRADC] = { 0x5b0, BIT(15) },
1165 [RST_BUS_GPADC] = { 0x5b0, BIT(17) },
1166 [RST_BUS_CIR_TX] = { 0x5b0, BIT(19) },
1168 /* APB1 reset controls */
1169 [RST_BUS_I2C0] = { 0x5b4, BIT(0) },
1170 [RST_BUS_I2C1] = { 0x5b4, BIT(1) },
1171 [RST_BUS_I2C2] = { 0x5b4, BIT(2) },
1172 [RST_BUS_I2C3] = { 0x5b4, BIT(3) },
1173 [RST_BUS_I2C4] = { 0x5b4, BIT(4) },
1174 [RST_BUS_UART0] = { 0x5b4, BIT(16) },
1175 [RST_BUS_UART1] = { 0x5b4, BIT(17) },
1176 [RST_BUS_UART2] = { 0x5b4, BIT(18) },
1177 [RST_BUS_UART3] = { 0x5b4, BIT(19) },
1178 [RST_BUS_UART4] = { 0x5b4, BIT(20) },
1179 [RST_BUS_UART5] = { 0x5b4, BIT(21) },
1182 static const struct sunxi_ccu_desc sun9i_a80_ccu_desc = {
1183 .ccu_clks = sun9i_a80_ccu_clks,
1184 .num_ccu_clks = ARRAY_SIZE(sun9i_a80_ccu_clks),
1186 .hw_clks = &sun9i_a80_hw_clks,
1188 .resets = sun9i_a80_ccu_resets,
1189 .num_resets = ARRAY_SIZE(sun9i_a80_ccu_resets),
1192 #define SUN9I_A80_PLL_P_SHIFT 16
1193 #define SUN9I_A80_PLL_N_SHIFT 8
1194 #define SUN9I_A80_PLL_N_WIDTH 8
1196 static void sun9i_a80_cpu_pll_fixup(void __iomem *reg)
1198 u32 val = readl(reg);
1200 /* bail out if P divider is not used */
1201 if (!(val & BIT(SUN9I_A80_PLL_P_SHIFT)))
1205 * If P is used, output should be less than 288 MHz. When we
1206 * set P to 1, we should also decrease the multiplier so the
1207 * output doesn't go out of range, but not too much such that
1208 * the multiplier stays above 12, the minimal operation value.
1210 * To keep it simple, set the multiplier to 17, the reset value.
1212 val &= ~GENMASK(SUN9I_A80_PLL_N_SHIFT + SUN9I_A80_PLL_N_WIDTH - 1,
1213 SUN9I_A80_PLL_N_SHIFT);
1214 val |= 17 << SUN9I_A80_PLL_N_SHIFT;
1217 val &= ~BIT(SUN9I_A80_PLL_P_SHIFT);
1222 static int sun9i_a80_ccu_probe(struct platform_device *pdev)
1224 struct resource *res;
1228 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1229 reg = devm_ioremap_resource(&pdev->dev, res);
1231 return PTR_ERR(reg);
1233 /* Enforce d1 = 0, d2 = 0 for Audio PLL */
1234 val = readl(reg + SUN9I_A80_PLL_AUDIO_REG);
1235 val &= (BIT(16) & BIT(18));
1236 writel(val, reg + SUN9I_A80_PLL_AUDIO_REG);
1238 /* Enforce P = 1 for both CPU cluster PLLs */
1239 sun9i_a80_cpu_pll_fixup(reg + SUN9I_A80_PLL_C0CPUX_REG);
1240 sun9i_a80_cpu_pll_fixup(reg + SUN9I_A80_PLL_C1CPUX_REG);
1242 return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun9i_a80_ccu_desc);
1245 static const struct of_device_id sun9i_a80_ccu_ids[] = {
1246 { .compatible = "allwinner,sun9i-a80-ccu" },
1250 static struct platform_driver sun9i_a80_ccu_driver = {
1251 .probe = sun9i_a80_ccu_probe,
1253 .name = "sun9i-a80-ccu",
1254 .of_match_table = sun9i_a80_ccu_ids,
1257 builtin_platform_driver(sun9i_a80_ccu_driver);