1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright 2020 Michal Meloun <mmel@FreeBSD.org>
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/bus.h>
34 #include <sys/lock.h>
35 #include <sys/mutex.h>
36 #include <sys/rman.h>
37 
38 #include <machine/bus.h>
39 
40 #include <dev/extres/clk/clk.h>
41 
42 #include <dt-bindings/clock/tegra210-car.h>
43 #include <dt-bindings/reset/tegra210-car.h>
44 
45 #include "tegra210_car.h"
46 
47 /* Bits in base register. */
48 #define	PERLCK_AMUX_MASK	0x0F
49 #define	PERLCK_AMUX_SHIFT	16
50 #define	PERLCK_AMUX_DIS		(1 << 20)
51 #define	PERLCK_UDIV_DIS		(1 << 24)
52 #define	PERLCK_ENA_MASK		(1 << 28)
53 #define	PERLCK_MUX_SHIFT	29
54 #define	PERLCK_MUX_MASK		0x07
55 
56 
57 struct periph_def {
58 	struct clknode_init_def	clkdef;
59 	uint32_t		base_reg;
60 	uint32_t		div_width;
61 	uint32_t		div_mask;
62 	uint32_t		div_f_width;
63 	uint32_t		div_f_mask;
64 	uint32_t		flags;
65 };
66 
67 struct pgate_def {
68 	struct clknode_init_def	clkdef;
69 	uint32_t		idx;
70 	uint32_t		flags;
71 };
72 #define	PLIST(x) static const char *x[]
73 
74 #define	GATE(_id, cname, plist, _idx)					\
75 {									\
76 	.clkdef.id = TEGRA210_CLK_##_id,				\
77 	.clkdef.name = cname,						\
78 	.clkdef.parent_names = (const char *[]){plist},			\
79 	.clkdef.parent_cnt = 1,						\
80 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
81 	.idx = _idx,							\
82 	.flags = 0,							\
83 }
84 /* Sources for multiplexors. */
85 PLIST(mux_N_N_c_N_p_N_a) =
86     {"bogus", NULL, "pllC_out0", NULL,
87     "pllP_out0", NULL, "pllA_out0", NULL};
88 PLIST(mux_N_N_p_N_N_N_clkm) =
89     {NULL, NULL, "pllP_out0", NULL,
90     NULL, NULL, "clk_m", NULL};
91 PLIST(mux_N_c_p_a1_c2_c3_clkm) =
92     {NULL, "pllC_out0", "pllP_out0", "pllA1_out0",
93      "pllC2_out0", "pllC3_out0", "clk_m", NULL};
94 PLIST(mux_N_c_p_a1_c2_c3_clkm_c4) =
95     {NULL, "pllC_out0", "pllP_out0", "pllA1_out0",
96      "pllC2_out0", "pllC3_out0", "clk_m", "pllC4_out0"};
97 PLIST(mux_N_c_p_clkm_N_c4_c4o1_c4o1) =
98     {NULL, "pllC_out0", "pllP_out0", "clk_m",
99      NULL, "pllC4_out0", "pllC4_out1", "pllC4_out1"};
100 PLIST(mux_N_c_p_clkm_N_c4_c4o1_c4o2) =
101     {NULL, "pllC_out0", "pllP_out0", "clk_m",
102      NULL, "pllC4_out0", "pllC4_out1", "pllC4_out2"};
103 
104 PLIST(mux_N_c2_c_c3_p_N_a) =
105     {NULL, "pllC2_out0", "pllC_out0", "pllC3_out0",
106      "pllP_out0", NULL, "pllA_out0", NULL};
107 PLIST(mux_N_c2_c_c3_p_clkm_a1_c4) =
108     {NULL, "pllC2_out0", "pllC_out0", "pllC3_out0",
109      "pllP_out0", "clk_m", "pllA1_out0", "pllC4_out0"};
110 PLIST(mux_N_c2_c_c3_p_N_a1_clkm) =
111     {NULL, "pllC2_out0", "pllC_out0", "pllC3_out0",
112      "pllP_out0", NULL, "pllA1_out0",  "clk_m"};
113 
114 PLIST(mux_a_N_audio_N_p_N_clkm) =
115     {"pllA_out0", NULL, "audio",  NULL,
116      "pllP_out0", NULL, "clk_m"};
117 PLIST(mux_a_N_audio0_N_p_N_clkm) =
118     {"pllA_out0", NULL, "audio0", NULL,
119      "pllP_out0", NULL, "clk_m"};
120 PLIST(mux_a_N_audio1_N_p_N_clkm) =
121     {"pllA_out0", NULL, "audio1", NULL,
122      "pllP_out0", NULL, "clk_m"};
123 PLIST(mux_a_N_audio2_N_p_N_clkm) =
124     {"pllA_out0", NULL, "audio2", NULL,
125      "pllP_out0", NULL, "clk_m"};
126 PLIST(mux_a_N_audio3_N_p_N_clkm) =
127     {"pllA_out0", NULL, "audio3", NULL,
128      "pllP_out0", NULL, "clk_m"};
129 PLIST(mux_a_N_audio4_N_p_N_clkm) =
130     {"pllA_out0", NULL, "audio4", NULL,
131      "pllP_out0", NULL, "clk_m"};
132 PLIST(mux_a_audiod1_p_clkm) =
133     {"pllA_out0", "audiod1", "pllP_out0", "clk_m",
134      NULL, NULL, NULL, NULL};
135 PLIST(mux_a_audiod2_p_clkm) =
136     {"pllA_out0", "audiod2", "pllP_out0", "clk_m",
137      NULL, NULL, NULL, NULL};
138 PLIST(mux_a_audiod3_p_clkm) =
139     {"pllA_out0", "audiod3", "pllP_out0", "clk_m",
140      NULL, NULL, NULL, NULL};
141 PLIST(mux_a_c4_c_c4o1_p_N_clkm_c4o2) =
142     {"pllA_out0", "pllC4_out0", "pllC_out0", "pllC4_out1",
143      "pllP_out0", NULL, "clk_m", "pllC4_out2"};
144 
145 PLIST(mux_a_clks_p_clkm_e) =
146     {"pllA_out0", "clk_s", "pllP_out0", "clk_m",
147      "pllE_out0"};
148 PLIST(mux_c4o1_c2_c_c4_p_clkm_a_c4) =
149     {"pllC4_out1", "pllC2_out0", "pllC_out0", "pllC4_out0",
150      "pllP_out0", "clk_m","pllA_out0", "pllC4_out0", };
151 
152 PLIST(mux_m_c_p_clkm_mud_mbud_mb_pud) =
153     {"pllM_out0", "pllC_out0", "pllP_out0", "clk_m",
154      "pllM_UD", "pllMB_UD", "pllMB_out0", "pllP_UD"};
155 PLIST(mux_p_N_N_c4o2_c4o1_N_clkm_c4) =
156     {"pllP_out0", NULL, NULL, "pllC4_out2",
157      "pllC4_out1", NULL, "clk_m", "pllC4_out0"};
158 PLIST(mux_p_N_c_c4_c4o1_c4o2_clkm) =
159     {"pllP_out0", NULL, "pllC_out0", "pllC4_out0",
160      "pllC4_out1", "pllC4_out2", "clk_m"};
161 PLIST(mux_p_N_c_c4_N_c4o1_clkm_c4o2) =
162     {"pllP_out0", NULL, "pllC_out0", "pllC4_out0",
163      NULL, "pllC4_out1", "clk_m", "pllC4_out2"};
164 PLIST(mux_p_N_d_N_N_d2_clkm) =
165     {"pllP_out0", NULL, "pllD_out0", NULL,
166      NULL, "pllD2_out0", "clk_m"};
167 PLIST(mux_p_N_clkm_N_clks_N_E) =
168     {"pllP_out0", NULL, "clk_m", NULL,
169      NULL, "clk_s", NULL, "pllE_out0"};
170 PLIST(mux_p_c_c2_N_c2_N_clkm) =
171     {"pllP_out0", "pllC_out0", "pllC2_out0", NULL,
172      "pllC2_out0", NULL, "clk_m", NULL};
173 PLIST(mux_p_co1_c_N_c4o2_c4o1_clkm_c4) =
174     {"pllP_out0", "pllC_out1",  "pllC_out0", NULL,
175      "pllC4_out2", "pllC4_out1" ,"clk_m", "pllC4_out0"};
176 PLIST(mux_p_c2_c_c3_N_a1_clkm_c4) =
177     {"pllP_out0", "pllC2_out0", "pllC_out0", "pllC3_out0",
178      NULL, "pllA1_out0", "clk_m", "pllC4_out0"};
179 PLIST(mux_p_c2_c_c3_N_N_clkm) =
180     {"pllP_out0", "pllC2_out0", "pllC_out0", "pllC3_out0",
181      NULL, NULL, "clk_m", NULL};
182 PLIST(mux_p_c2_c_c3_m_e_clkm) =
183     {"pllP_out0", "pllC2_out0", "pllC_out0", "pllC3_out0",
184      "pllM_out0", "pllE_out0", "clk_m"};
185 PLIST(mux_p_c2_c_c4_N_c4o1_clkm_c4o2) =
186     {"pllP_out0", "pllC2_out0", "pllC4_out0",
187       NULL, "pllC4_out1", "clk_m", "pllC4_out2"};
188 PLIST(mux_p_c2_c_c4_a_c4o1_clkm_c4o2) =
189     {"pllP_out0", "pllC2_out0", "pllC_out0", "pllC4_out0",
190      "pllA_out0", "pllC4_out1", "clk_m", "pllC4_out2"};
191 PLIST(mux_p_c2_c_c4o2_c4o1_clks_clkm_c4) =
192     {"pllP_out0", "pllC2_out0", "pllC4_out2",
193      "pllC4_out1", "clk_s", "clk_m", "pllC4_out0"};
194 
195 PLIST(mux_p_c2_c_c4_c4o1_clkm_c4o2) =
196     {"pllP_out0", "pllC2_out0", "pllC_out0", "pllC4_out0",
197      "pllC4_out1", "clk_m", "pllC4_out2"};
198 PLIST(mux_p_c2_c_c4_clkm_c4o1_c4o2) =
199     {"pllP_out0", "pllC2_out0", "pllC_out0", "pllC4_out0",
200     "clk_m", "pllC4_out1", "pllC4_out2"};
201 PLIST(mux_p_c2_c_c4_clks_c4o1_clkm_c4o2) =
202     {"pllP_out0", "pllC2_out0", "pllC_out0", "pllC4_out0",
203     "clk_s", "pllC4_out1", "clk_m", "pllC4_out2"};
204 PLIST(mux_p_c2_c_c4_clkm_c4o1_clks_c4o2) =
205     {"pllP_out0", "pllC2_out0", "pllC_out0", "pllC4_out0",
206     "clk_m", "pllC4_out1", "clk_s", "pllC4_out2"};
207 PLIST(mux_p_c2_refe1_c3_m_a1_clkm_C4) =
208     {"pllP_out0", "pllC2_out0", "pllREFE_out1", "pllC3_out0",
209     "pllM_out0", "pllA1_out0", "clk_m", "pllC4_out0"};
210 PLIST(mux_p_c4_c_c4o1_N_c4o2_clkm) =
211     {"pllP_out0", "pllC4_out0", "pllC_out0", "pllC4_out1",
212     NULL, "pllC4_out2", "clk_m", NULL};
213 PLIST(mux_p_m_d_a_c_d2_clkm) =
214     {"pllP_out0", "pllM_out0", "pllD_out0", "pllA_out0",
215      "pllC_out0", "pllD2_out0", "clk_m"};
216 PLIST(mux_p_po3_clkm_clks_a) =
217     {"pllP_out0", "pllP_out3", "clk_m", "clk_s",
218      "pllA_out0", NULL, NULL, NULL};
219 
220 PLIST(mux_po3_c_c2_clkm_p_c4_c4o1_c4o2) =
221     {"pllP_out3", "pllC_out0", "pllC2_out0", "clk_m",
222      "pllP_out0", "pllC4_out0", "pllC4_out1", "pllC4_out2"};
223 
224 PLIST(mux_clkm_p_N_N_N_refre) =
225     {"clk_m", "pllP_xusb", NULL, NULL,
226      NULL, "pllREFE_out0", NULL, NULL};
227 PLIST(mux_clkm_N_u48_N_p_N_u480) =
228     {"clk_m", NULL, "pllU_48", NULL,
229      "pllP_out0", NULL, "pllU_480"};
230 PLIST(mux_clkm_refe_clks_u480) =
231     {"clk_m", "pllREFE_out0", "clk_s", "pllU_480",
232      NULL, NULL, NULL, NULL};
233 
234 PLIST(mux_sep_audio) =
235    {"pllA_out0", "pllC4_out0", "pllC_out0", "pllC4_out0",
236     "pllP_out0", "pllC4_out0", "clk_m", NULL,
237     "spdif_in", "i2s1", "i2s2", "i2s3",
238     "i2s4", "i2s5", "pllA_out0", "ext_vimclk"};
239 
240 static uint32_t clk_enable_reg[] = {
241 	CLK_OUT_ENB_L,
242 	CLK_OUT_ENB_H,
243 	CLK_OUT_ENB_U,
244 	CLK_OUT_ENB_V,
245 	CLK_OUT_ENB_W,
246 	CLK_OUT_ENB_X,
247 	CLK_OUT_ENB_Y,
248 };
249 
250 static uint32_t clk_reset_reg[] = {
251 	RST_DEVICES_L,
252 	RST_DEVICES_H,
253 	RST_DEVICES_U,
254 	RST_DEVICES_V,
255 	RST_DEVICES_W,
256 	RST_DEVICES_X,
257 	RST_DEVICES_Y,
258 };
259 
260 #define	L(n)  ((0 * 32) + (n))
261 #define	H(n)  ((1 * 32) + (n))
262 #define	U(n)  ((2 * 32) + (n))
263 #define	V(n)  ((3 * 32) + (n))
264 #define	W(n)  ((4 * 32) + (n))
265 #define	X(n)  ((5 * 32) + (n))
266 #define	Y(n)  ((6 * 32) + (n))
267 
268 /* Clock IDs not yet defined in binding header file. */
269 #define TEGRA210_CLK_STAT_MON		H(5)
270 #define TEGRA210_CLK_IRAMA		U(20)
271 #define TEGRA210_CLK_IRAMB		U(21)
272 #define TEGRA210_CLK_IRAMC		U(22)
273 #define TEGRA210_CLK_IRAMD		U(23)
274 #define TEGRA210_CLK_CRAM2		U(24)
275 #define TEGRA210_CLK_M_DOUBLER          U(26)
276 #define TEGRA210_CLK_DEVD2_OUT		U(29)
277 #define TEGRA210_CLK_DEVD1_OUT		U(30)
278 #define TEGRA210_CLK_CPUG		V(0)
279 #define TEGRA210_CLK_ATOMICS		V(16)
280 #define TEGRA210_CLK_PCIERX0		W(2)
281 #define TEGRA210_CLK_PCIERX1		W(3)
282 #define TEGRA210_CLK_PCIERX2		W(4)
283 #define TEGRA210_CLK_PCIERX3		W(5)
284 #define TEGRA210_CLK_PCIERX4		W(6)
285 #define TEGRA210_CLK_PCIERX5		W(7)
286 #define TEGRA210_CLK_PCIE2_IOBIST	W(9)
287 #define TEGRA210_CLK_EMC_IOBIST		W(10)
288 #define TEGRA210_CLK_SATA_IOBIST	W(12)
289 #define TEGRA210_CLK_MIPI_IOBIST	W(13)
290 #define TEGRA210_CLK_EMC_LATENCY	W(29)
291 #define TEGRA210_CLK_MC1		W(30)
292 #define TEGRA210_CLK_ETR		X(3)
293 #define TEGRA210_CLK_CAM_MCLK		X(4)
294 #define TEGRA210_CLK_CAM_MCLK2		X(5)
295 #define TEGRA210_CLK_MC_CAPA		X(7)
296 #define TEGRA210_CLK_MC_CBPA		X(8)
297 #define TEGRA210_CLK_MC_CPU		X(9)
298 #define TEGRA210_CLK_MC_BBC		X(10)
299 #define TEGRA210_CLK_EMC_DLL		X(14)
300 #define TEGRA210_CLK_UART_FST_MIPI_CAL	X(17)
301 #define TEGRA210_CLK_HPLL_ADSP		X(26)
302 #define TEGRA210_CLK_PLLP_ADSP		X(27)
303 #define TEGRA210_CLK_PLLA_ADSP		X(28)
304 #define TEGRA210_CLK_PLLG_REF		X(29)
305 #define TEGRA210_CLK_AXIAP		Y(4)
306 #define TEGRA210_CLK_MC_CDPA		Y(8)
307 #define TEGRA210_CLK_MC_CCPA		Y(9)
308 
309 
310 static struct pgate_def pgate_def[] = {
311 	/* bank L ->  0-31 */
312 	GATE(ISPB, "ispb", "clk_m", L(3)),
313 	GATE(RTC, "rtc", "clk_s", L(4)),
314 	GATE(TIMER, "timer", "clk_m", L(5)),
315 	GATE(UARTA, "uarta", "pc_uarta" , L(6)),
316 	GATE(UARTB, "uartb", "pc_uartb", L(7)),
317 	GATE(GPIO, "gpio", "clk_m", L(8)),
318 	GATE(SDMMC2, "sdmmc2", "pc_sdmmc2", L(9)),
319 	GATE(SPDIF_OUT, "spdif_out", "pc_spdif_out", L(10)),
320 	GATE(SPDIF_IN, "spdif_in", "pc_spdif_in", L(10)),
321 	GATE(I2S1, "i2s2", "pc_i2s2", L(11)),
322 	GATE(I2C1, "i2c1", "pc_i2c1", L(12)),
323 	GATE(SDMMC1, "sdmmc1", "pc_sdmmc1", L(14)),
324 	GATE(SDMMC4, "sdmmc4", "pc_sdmmc4", L(15)),
325 	GATE(PWM, "pwm", "pc_pwm", L(17)),
326 	GATE(I2S2, "i2s3", "pc_i2s3", L(18)),
327 	GATE(VI, "vi", "pc_vi", L(20)),
328 	GATE(USBD, "usbd", "clk_m", L(22)),
329 	GATE(ISP, "isp", "pc_isp", L(23)),
330 	GATE(DISP2, "disp2", "pc_disp2", L(26)),
331 	GATE(DISP1, "disp1", "pc_disp1", L(27)),
332 	GATE(HOST1X, "host1x", "pc_host1x", L(28)),
333 	GATE(I2S0, "i2s1", "pc_i2s1", L(30)),
334 
335 	/* bank H -> 32-63 */
336 	GATE(MC, "mem", "clk_m", H(0)),
337 	GATE(AHBDMA, "ahbdma", "clk_m", H(1)),
338 	GATE(APBDMA, "apbdma", "clk_m", H(2)),
339 	GATE(STAT_MON, "stat_mon", "clk_s", H(5)),
340 	GATE(PMC, "pmc", "clk_s", H(6)),
341 	GATE(FUSE, "fuse", "clk_m", H(7)),
342 	GATE(KFUSE, "kfuse", "clk_m", H(8)),
343 	GATE(SBC1, "spi1", "pc_spi1", H(9)),
344 	GATE(SBC2, "spi2", "pc_spi2", H(12)),
345 	GATE(SBC3, "spi3", "pc_spi3", H(14)),
346 	GATE(I2C5, "i2c5", "pc_i2c5", H(15)),
347 	GATE(DSIA, "dsia", "pllD_dsi_csi", H(16)),
348 	GATE(CSI, "csi", "pllP_out3", H(20)),
349 	GATE(I2C2, "i2c2", "pc_i2c2", H(22)),
350 	GATE(UARTC, "uartc", "pc_uartc", H(23)),
351 	GATE(MIPI_CAL, "mipi_cal", "clk_m", H(24)),
352 	GATE(EMC, "emc", "pc_emc", H(25)),
353 	GATE(USB2, "usb2", "clk_m", H(26)),
354 	GATE(BSEV, "bsev", "clk_m", H(31)),
355 
356 	/* bank U  -> 64-95 */
357 	GATE(UARTD, "uartd", "pc_uartd", U(1)),
358 	GATE(I2C3, "i2c3", "pc_i2c3", U(3)),
359 	GATE(SBC4, "spi4", "pc_spi4", U(4)),
360 	GATE(SDMMC3, "sdmmc3", "pc_sdmmc3", U(5)),
361 	GATE(PCIE, "pcie", "clk_m", U(6)),
362 	GATE(AFI, "afi", "clk_m", U(8)),
363 	GATE(CSITE, "csite", "pc_csite", U(9)),
364 	GATE(SOC_THERM, "soc_therm", "pc_soc_therm", U(14)),
365 	GATE(DTV, "dtv", "clk_m", U(15)),
366 	GATE(I2CSLOW, "i2c_slow", "pc_i2c_slow", U(17)),
367 	GATE(DSIB, "dsib", "pllD_dsi_csi", U(18)),
368 	GATE(TSEC, "tsec", "pc_tsec", U(19)),
369 	GATE(IRAMA, "irama", "clk_m", U(20)),
370 	GATE(IRAMB, "iramb", "clk_m", U(21)),
371 	GATE(IRAMC, "iramc", "clk_m", U(22)),
372 	GATE(IRAMD, "iramd", "clk_m", U(23)),
373 	GATE(CRAM2, "cram2", "clk_m", U(24)),
374 	GATE(XUSB_HOST, "xusb_host", "pc_xusb_core_host", U(25)),
375 	GATE(M_DOUBLER, "m_doubler", "clk_m", U(26)),
376 	GATE(CSUS, "sus_out", "clk_m", U(28)),
377 	GATE(DEVD2_OUT, "devd2_out", "clk_m", U(29)),
378 	GATE(DEVD1_OUT, "devd1_out", "clk_m", U(30)),
379 	GATE(XUSB_DEV, "xusb_core_dev", "pc_xusb_core_dev", U(31)),
380 
381 	/* bank V  -> 96-127 */
382 	GATE(CPUG, "cpug", "clk_m", V(0)),
383 	GATE(MSELECT, "mselect", "pc_mselect", V(3)),
384 	GATE(TSENSOR, "tsensor", "pc_tsensor", V(4)),
385 	GATE(I2S4, "i2s5", "pc_i2s5", V(5)),
386 	GATE(I2S3, "i2s4", "pc_i2s4", V(6)),
387 	GATE(I2C4, "i2c4", "pc_i2c4", V(7)),
388 	GATE(D_AUDIO, "ahub", "pc_ahub", V(10)),
389 	GATE(APB2APE, "apb2ape", "clk_m", V(11)),
390 	GATE(HDA2CODEC_2X, "hda2codec_2x", "pc_hda2codec_2x", V(15)),
391 	GATE(ATOMICS, "atomics", "clk_m", V(16)),
392 	GATE(SPDIF_2X, "spdif_doubler", "clk_m", V(22)),
393 	GATE(ACTMON, "actmon", "pc_actmon", V(23)),
394 	GATE(EXTERN1, "extperiph1", "pc_extperiph1", V(24)),
395 	GATE(EXTERN2, "extperiph2", "pc_extperiph2", V(25)),
396 	GATE(EXTERN3, "extperiph3", "pc_extperiph3", V(26)),
397 	GATE(SATA_OOB, "sata_oob", "pc_sata_oob", V(27)),
398 	GATE(SATA, "sata", "pc_sata", V(28)),
399 	GATE(HDA, "hda", "pc_hda", V(29)),
400 
401 	/* bank W   -> 128-159*/
402 	GATE(HDA2HDMI, "hda2hdmi", "clk_m", W(0)),
403 	/* GATE(SATA_COLD, "sata_cold", "clk_m", W(1)),*/ /* Reset only */
404 	GATE(PCIERX0, "pcierx0", "clk_m", W(2)),
405 	GATE(PCIERX1, "pcierx1", "clk_m", W(3)),
406 	GATE(PCIERX2, "pcierx2", "clk_m", W(4)),
407 	GATE(PCIERX3, "pcierx3", "clk_m", W(5)),
408 	GATE(PCIERX4, "pcierx4", "clk_m", W(6)),
409 	GATE(PCIERX5, "pcierx5", "clk_m", W(7)),
410 	GATE(CEC, "cec", "clk_m", W(8)),
411 	GATE(PCIE2_IOBIST, "pcie2_iobist", "clk_m", W(9)),
412 	GATE(EMC_IOBIST, "emc_iobist", "clk_m", W(10)),
413 	GATE(SATA_IOBIST, "sata_iobist", "clk_m", W(12)),
414 	GATE(MIPI_IOBIST, "mipi_iobist", "clk_m", W(13)),
415 	GATE(XUSB_GATE, "xusb_gate", "clk_m", W(15)),
416 	GATE(CILAB, "cilab", "pc_cilab", W(16)),
417 	GATE(CILCD, "cilcd", "pc_cilcd", W(17)),
418 	GATE(CILE, "cilef", "pc_cilef", W(18)),
419 	GATE(DSIALP, "dsia_lp", "pc_dsia_lp", W(19)),
420 	GATE(DSIBLP, "dsib_lp", "pc_dsib_lp", W(20)),
421 	GATE(ENTROPY, "entropy", "pc_entropy", W(21)),
422 	GATE(DFLL_REF, "dvfs_ref", "pc_dvfs_ref", W(27)),
423 	GATE(DFLL_SOC, "dvfs_soc", "pc_dvfs_soc",  W(27)),
424 	GATE(XUSB_SS, "xusb_ss", "pc_xusb_ss", W(28)),
425 	GATE(EMC_LATENCY, "emc_latency", "pc_emc_latency", W(29)),
426 	GATE(MC1, "mc1", "clk_m", W(30)),
427 
428 	/* bank X -> 160-191*/
429 	/*GATE(SPARE, "spare", "clk_m", X(0)), */
430 	GATE(DMIC1, "dmic1", "clk_m", X(1)),
431 	GATE(DMIC2, "dmic2", "clk_m", X(2)),
432 	GATE(ETR, "etr", "clk_m", X(3)),
433 	GATE(CAM_MCLK, "CAM_MCLK", "clk_m", X(4)),
434 	GATE(CAM_MCLK2, "CAM_MCLK2", "clk_m", X(5)),
435 	GATE(I2C6, "i2c6", "pc_i2c6", X(6)),
436 	GATE(MC_CAPA, "mc_capa", "clk_m", X(7)),
437 	GATE(MC_CBPA, "mc_cbpa", "clk_m", X(8)),
438 	GATE(MC_CPU, "mc_cpu", "clk_m", X(9)),
439 	GATE(MC_BBC, "mc_bbc", "clk_m", X(10)),
440 	GATE(VIM2_CLK, "vim2_clk", "clk_m", X(11)),
441 	GATE(MIPIBIF, "mipibif", "clk_m", X(13)),
442 	GATE(EMC_DLL, "emc_dll", "pc_emc_dll", X(14)),
443 	GATE(UART_FST_MIPI_CAL, "uart_fst_mipi_cal", "clk_m", X(17)),
444 	GATE(VIC03, "vic", "pc_vic", X(18)),
445 	GATE(DPAUX, "dpaux", "dpaux_div", X(21)),
446 	GATE(SOR0, "sor0", "pc_sor0", X(22)),
447 	GATE(SOR1, "sor1", "pc_sor1", X(23)),
448 	GATE(GPU, "gpu", "osc_div_clk", X(24)),
449 	GATE(DBGAPB, "dbgapb", "clk_m", X(25)),
450 	GATE(HPLL_ADSP, "hpll_adsp", "clk_m", X(26)),
451 	GATE(PLLP_ADSP, "pllp_adsp", "clk_m", X(27)),
452 	GATE(PLLA_ADSP, "plla_adsp", "clk_m", X(28)),
453 	GATE(PLLG_REF, "pllg_ref", "clk_m", X(29)),
454 
455 	/* bank Y -> 192-224*/
456 	/* GATE(SPARE1, "spare1", "clk_m", Y(0)), */
457 	GATE(SDMMC_LEGACY, "sdmmc_legacy_tm", "pc_sdmmc_legacy_tm", Y(1)),
458 	GATE(NVDEC, "nvdec", "pc_nvdec", Y(2)),
459 	GATE(NVJPG, "nvjpg", "clk_m", Y(3)),
460 	GATE(AXIAP, "axiap", "clk_m", Y(4)),
461 	GATE(DMIC3, "dmic3", "clk_m", Y(5)),
462 	GATE(APE, "ape", "clk_m", Y(6)),
463 	GATE(ADSP, "adsp", "clk_m", Y(7)),
464 	GATE(MC_CDPA, "mc_cdpa", "clk_m", Y(8)),
465 	GATE(MC_CCPA, "mc_ccpa", "clk_m", Y(9)),
466 	GATE(MAUD, "mc_maud", "clk_m", Y(10)),
467 	GATE(TSECB, "tsecb", "clk_m", Y(14)),
468 	GATE(DPAUX1, "dpaux1", "dpaux1_div", Y(15)),
469 	GATE(VI_I2C, "vi_i2c", "clk_m", Y(16)),
470 	GATE(HSIC_TRK, "hsic_trk", "clk_m", Y(17)),
471 	GATE(USB2_TRK, "usb2_trk", "clk_m", Y(18)),
472 	GATE(QSPI, "qspi", "clk_m", Y(19)),
473 	GATE(UARTAPE, "uarape", "clk_m", Y(20)),
474 	GATE(ADSP_NEON, "adspneon", "clk_m", Y(26)),
475 	GATE(NVENC, "nvenc", "clk_m", Y(27)),
476 	GATE(IQC2, "iqc2", "clk_m", Y(28)),
477 	GATE(IQC1, "iqc1", "clk_m", Y(29)),
478 	GATE(SOR_SAFE, "sor_safe", "sor_safe_div", Y(30)),
479 	GATE(PLL_P_OUT_CPU, "pllp_out_cpu", "clk_m", Y(31)),
480 };
481 
482 /* Peripheral clock clock */
483 #define	DCF_HAVE_MUX		0x0100 /* Block with multipexor */
484 #define	DCF_HAVE_ENA		0x0200 /* Block with enable bit */
485 #define	DCF_HAVE_DIV		0x0400 /* Block with divider */
486 
487 /* Mark block with additional bits / functionality. */
488 #define	DCF_IS_MASK		0x00FF
489 #define	DCF_IS_UART		0x0001
490 #define	DCF_IS_VI		0x0002
491 #define	DCF_IS_HOST1X		0x0003
492 #define	DCF_IS_XUSB_SS		0x0004
493 #define	DCF_IS_EMC_DLL		0x0005
494 #define	DCF_IS_SATA		0x0006
495 #define	DCF_IS_VIC		0x0007
496 #define	DCF_IS_AHUB		0x0008
497 #define	DCF_IS_SOR0		0x0009
498 #define	DCF_IS_EMC		0x000A
499 #define	DCF_IS_QSPI		0x000B
500 #define	DCF_IS_EMC_SAFE		0x000C
501 /* Basic pheripheral clock */
502 #define	PER_CLK(_id, cn, pl, r, diw, fiw, f)				\
503 {									\
504 	.clkdef.id = _id,						\
505 	.clkdef.name = cn,						\
506 	.clkdef.parent_names = pl,					\
507 	.clkdef.parent_cnt = nitems(pl),				\
508 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
509 	.base_reg = r,							\
510 	.div_width = diw,						\
511 	.div_f_width = fiw,						\
512 	.flags = f,							\
513 }
514 
515 /* Mux with fractional 8.1 divider. */
516 #define	CLK_8_1(id, cn, pl, r,  f)					\
517 	PER_CLK(id, cn, pl, r,  8, 1, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV)
518 /* Mux with integer 8bits  divider. */
519 #define	CLK_8_0(id, cn, pl, r,  f)					\
520 	PER_CLK(id, cn, pl, r,  8, 0, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV)
521 
522 /* Mux with fractional 16.1 divider. */
523 #define	CLK16_1(id, cn, pl, r,  f)					\
524 	PER_CLK(id, cn, pl, r,  16, 1, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV)
525 /* Mux with integer 16bits divider. */
526 #define	CLK16_0(id, cn, pl, r,  f)					\
527 	PER_CLK(id, cn, pl, r,  16, 0, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV)
528 /* Mux wihout divider. */
529 #define	CLK_0_0(id, cn, pl, r,  f)					\
530 	PER_CLK(id, cn, pl, r,  0, 0, (f) | DCF_HAVE_MUX)
531 
532 static struct periph_def periph_def[] = {
533 	CLK_8_1(0, "pc_i2s2", mux_a_N_audio1_N_p_N_clkm, CLK_SOURCE_I2S2, DCF_HAVE_ENA),
534 	CLK_8_1(0, "pc_i2s3", mux_a_N_audio2_N_p_N_clkm, CLK_SOURCE_I2S3, DCF_HAVE_ENA),
535 	CLK_8_1(0, "pc_spdif_out", mux_a_N_audio_N_p_N_clkm, CLK_SOURCE_SPDIF_OUT, 0),
536 	CLK_8_1(0, "pc_spdif_in", mux_p_c2_c_c4_clkm_c4o1_c4o2, CLK_SOURCE_SPDIF_IN, 0),
537 	CLK_8_1(0, "pc_pwm", mux_p_c2_c_c4_clks_c4o1_clkm_c4o2, CLK_SOURCE_PWM, 0),
538 	CLK_8_1(0, "pc_spi2", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_SPI2, 0),
539 	CLK_8_1(0, "pc_spi3", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_SPI3, 0),
540 	CLK16_0(0, "pc_i2c1", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_I2C1, 0),
541 	CLK16_0(0, "pc_i2c5", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_I2C5, 0),
542 	CLK_8_1(0, "pc_spi1", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_SPI1, 0),
543 	CLK_0_0(0, "pc_disp1", mux_p_N_d_N_N_d2_clkm, CLK_SOURCE_DISP1, 0),
544 	CLK_0_0(0, "pc_disp2", mux_p_N_d_N_N_d2_clkm, CLK_SOURCE_DISP2, 0),
545 	CLK_8_1(0, "pc_isp", mux_N_c_p_a1_c2_c3_clkm_c4, CLK_SOURCE_ISP, 0),
546 	CLK_8_1(0, "pc_vi", mux_N_c2_c_c3_p_clkm_a1_c4, CLK_SOURCE_VI, DCF_IS_VI),
547 	CLK_8_1(0, "pc_sdmmc1", mux_p_N_N_c4o2_c4o1_N_clkm_c4, CLK_SOURCE_SDMMC1, 0),
548 	CLK_8_1(0, "pc_sdmmc2", mux_p_N_N_c4o2_c4o1_N_clkm_c4, CLK_SOURCE_SDMMC2, 0),
549 	CLK_8_1(0, "pc_sdmmc4", mux_p_N_N_c4o2_c4o1_N_clkm_c4, CLK_SOURCE_SDMMC4, 0),
550 	CLK16_1(0, "pc_uarta", mux_p_c2_c_c4_c4o1_clkm_c4o2, CLK_SOURCE_UARTA, DCF_IS_UART),
551 	CLK16_1(0, "pc_uartb", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_UARTB, DCF_IS_UART),
552 	CLK_8_1(0, "pc_host1x", mux_c4o1_c2_c_c4_p_clkm_a_c4, CLK_SOURCE_HOST1X, DCF_IS_HOST1X),
553 	CLK16_0(0, "pc_i2c2", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_I2C2, 0),
554 	CLK_8_1(0, "pc_emc", mux_m_c_p_clkm_mud_mbud_mb_pud, CLK_SOURCE_EMC, DCF_IS_EMC),
555 	CLK16_1(0, "pc_uartc", mux_p_c2_c_c4_c4o1_clkm_c4o2, CLK_SOURCE_UARTC, DCF_IS_UART),
556 	CLK_8_1(0, "pc_vi_sensor", mux_N_c2_c_c3_p_N_a, CLK_SOURCE_VI_SENSOR, 0),
557 	CLK_8_1(0, "pc_spi4", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_SPI4, 0),
558 	CLK16_0(0, "pc_i2c3", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_I2C3, 0),
559 	CLK_8_1(0, "pc_sdmmc3", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC3, 0),
560 	CLK16_1(0, "pc_uartd", mux_p_c2_c_c4_c4o1_clkm_c4o2, CLK_SOURCE_UARTD, DCF_IS_UART),
561 	CLK_8_1(0, "pc_csite", mux_p_c2_refe1_c3_m_a1_clkm_C4, CLK_SOURCE_CSITE, 0),
562 	CLK_8_1(0, "pc_i2s1", mux_a_N_audio0_N_p_N_clkm, CLK_SOURCE_I2S1, 0),
563 /* DTV xxx */
564 	CLK_8_1(0, "pc_tsec", mux_p_c2_c_c3_N_a1_clkm_c4, CLK_SOURCE_TSEC, 0),
565 /* SPARE2 */
566 	CLK_8_1(0, "pc_mselect", mux_p_c2_c_c4o2_c4o1_clks_clkm_c4, CLK_SOURCE_MSELECT, 0),
567 	CLK_8_1(0, "pc_tsensor", mux_p_c2_c_c4_clkm_c4o1_clks_c4o2, CLK_SOURCE_TSENSOR, 0),
568 	CLK_8_1(0, "pc_i2s4", mux_a_N_audio3_N_p_N_clkm, CLK_SOURCE_I2S3, DCF_HAVE_ENA),
569 	CLK_8_1(0, "pc_i2s5", mux_a_N_audio4_N_p_N_clkm, CLK_SOURCE_I2S4, DCF_HAVE_ENA),
570 	CLK16_0(0, "pc_i2c4", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_I2C4, 0),
571 	CLK_8_1(0, "pc_ahub", mux_sep_audio, CLK_SOURCE_AHUB, DCF_IS_AHUB),
572 	CLK_8_1(0, "pc_hda2codec_2x", mux_p_c2_c_c4_a_c4o1_clkm_c4o2, CLK_SOURCE_HDA2CODEC_2X, 0),
573 	CLK_8_1(0, "pc_actmon", mux_p_c2_c_c4_clks_c4o1_clkm_c4o2, CLK_SOURCE_ACTMON, 0),
574 	CLK_8_1(0, "pc_extperiph1", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH1, 0),
575 	CLK_8_1(0, "pc_extperiph2", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH2,  0),
576 	CLK_8_1(0, "pc_extperiph3", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH3, 0),
577 	CLK_8_1(0, "pc_i2c_slow", mux_p_c2_c_c4_clks_c4o1_clkm_c4o2, CLK_SOURCE_I2C_SLOW, 0),
578 /* SYS */
579 	CLK_8_1(0, "pc_ispb", mux_N_N_c_N_p_N_a,  CLK_SOURCE_ISPB, 0),
580 	CLK_8_1(0, "pc_sor1", mux_p_N_d_N_N_d2_clkm,  CLK_SOURCE_SOR1, DCF_IS_SOR0),
581 	CLK_8_1(0, "pc_sor0", mux_p_m_d_a_c_d2_clkm,  CLK_SOURCE_SOR0, DCF_IS_SOR0),
582 	CLK_8_1(0, "pc_sata_oob", mux_p_c4_c_c4o1_N_c4o2_clkm, CLK_SOURCE_SATA_OOB, 0),
583 	CLK_8_1(0, "pc_sata", mux_p_N_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_SATA, DCF_IS_SATA),
584 	CLK_8_1(0, "pc_hda", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_HDA, 0),
585 	CLK_8_1(TEGRA210_CLK_XUSB_HOST_SRC,
586 		   "pc_xusb_core_host", mux_clkm_p_N_N_N_refre, CLK_SOURCE_XUSB_CORE_HOST, 0),
587 	CLK_8_1(TEGRA210_CLK_XUSB_FALCON_SRC,
588 		   "pc_xusb_falcon", mux_clkm_p_N_N_N_refre, CLK_SOURCE_XUSB_FALCON, 0),
589 	CLK_8_1(TEGRA210_CLK_XUSB_FS_SRC,
590 		   "pc_xusb_fs", mux_clkm_N_u48_N_p_N_u480, CLK_SOURCE_XUSB_FS, 0),
591 	CLK_8_1(TEGRA210_CLK_XUSB_DEV_SRC,
592 		   "pc_xusb_core_dev", mux_clkm_p_N_N_N_refre, CLK_SOURCE_XUSB_CORE_DEV, 0),
593 	CLK_8_1(TEGRA210_CLK_XUSB_SS_SRC,
594 		   "pc_xusb_ss", mux_clkm_refe_clks_u480, CLK_SOURCE_XUSB_SS, DCF_IS_XUSB_SS),
595 	CLK_8_1(0, "pc_cilab", mux_p_N_c_c4_c4o1_c4o2_clkm, CLK_SOURCE_CILAB, 0),
596 	CLK_8_1(0, "pc_cilcd", mux_p_N_c_c4_c4o1_c4o2_clkm, CLK_SOURCE_CILCD, 0),
597 	CLK_8_1(0, "pc_cilef", mux_p_N_c_c4_c4o1_c4o2_clkm, CLK_SOURCE_CILEF, 0),
598 	CLK_8_1(0, "pc_dsia_lp", mux_p_N_c_c4_c4o1_c4o2_clkm, CLK_SOURCE_DSIA_LP, 0),
599 	CLK_8_1(0, "pc_dsib_lp", mux_p_N_c_c4_c4o1_c4o2_clkm, CLK_SOURCE_DSIB_LP, 0),
600 	CLK_8_1(0, "pc_entropy", mux_p_N_clkm_N_clks_N_E, CLK_SOURCE_ENTROPY, 0),
601 	CLK_8_1(0, "pc_dvfs_ref", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_DVFS_REF, DCF_HAVE_ENA),
602 	CLK_8_1(0, "pc_dvfs_soc", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_DVFS_SOC, DCF_HAVE_ENA),
603 	CLK_8_1(0, "pc_emc_latency", mux_N_c_p_clkm_N_c4_c4o1_c4o2, CLK_SOURCE_EMC_LATENCY, 0),
604 	CLK_8_1(0, "pc_soc_therm", mux_N_c_p_clkm_N_c4_c4o1_c4o1, CLK_SOURCE_SOC_THERM, 0),
605 	CLK_8_1(0, "pc_dmic1", mux_a_audiod1_p_clkm, CLK_SOURCE_DMIC1, 0),
606 	CLK_8_1(0, "pc_dmic2", mux_a_audiod2_p_clkm, CLK_SOURCE_DMIC2, 0),
607 	CLK_8_1(0, "pc_vi_sensor2", mux_N_c2_c_c3_p_N_a, CLK_SOURCE_VI_SENSOR2, 0),
608 	CLK16_0(0, "pc_i2c6", mux_p_c2_c_c4_N_c4o1_clkm_c4o2, CLK_SOURCE_I2C6, 0),
609 /* MIPIBIF */
610 	CLK_8_1(0, "pc_emc_dll", mux_m_c_p_clkm_mud_mbud_mb_pud, CLK_SOURCE_EMC_DLL, DCF_IS_EMC_DLL),
611 	CLK_8_1(0, "pc_uart_fst_mipi_cal", mux_p_c_c2_N_c2_N_clkm, CLK_SOURCE_UART_FST_MIPI_CAL, 0),
612 	CLK_8_1(0, "pc_vic", mux_N_c_p_a1_c2_c3_clkm, CLK_SOURCE_VIC, DCF_IS_VIC),
613 
614 	CLK_8_1(0, "pc_sdmmc_legacy_tm", mux_po3_c_c2_clkm_p_c4_c4o1_c4o2, CLK_SOURCE_SDMMC_LEGACY_TM, 0),
615 	CLK_8_1(0, "pc_nvdec", mux_N_c2_c_c3_p_N_a1_clkm, CLK_SOURCE_NVDEC, 0),
616 	CLK_8_1(0, "pc_nvjpg", mux_N_c2_c_c3_p_N_a1_clkm, CLK_SOURCE_NVJPG, 0),
617 	CLK_8_1(0, "pc_nvenc", mux_N_c2_c_c3_p_N_a1_clkm, CLK_SOURCE_NVENC, 0),
618 	CLK_8_1(0, "pc_dmic3", mux_a_audiod3_p_clkm, CLK_SOURCE_DMIC3, 0),
619 	CLK_8_1(0, "pc_ape", mux_a_c4_c_c4o1_p_N_clkm_c4o2, CLK_SOURCE_APE, 0),
620 	CLK_8_1(0, "pc_qspi", mux_p_co1_c_N_c4o2_c4o1_clkm_c4, CLK_SOURCE_QSPI, DCF_IS_QSPI),
621 	CLK_8_1(0, "pc_vi_i2c", mux_p_c2_c_c3_N_N_clkm, CLK_SOURCE_VI_I2C, 0),
622 /* USB2_HSIC_TRK */
623 	CLK_8_0(0, "pc_maud", mux_p_po3_clkm_clks_a, CLK_SOURCE_MAUD, 0),
624 	CLK_8_1(0, "pc_tsecb", mux_p_c2_c_c3_N_a1_clkm_c4, CLK_SOURCE_TSECB, 0),
625 	CLK_8_1(0, "pc_uartape", mux_p_c2_c_c3_N_N_clkm, CLK_SOURCE_UARTAPE, 0),
626 	CLK_8_1(0, "pc_dbgapb", mux_N_N_p_N_N_N_clkm, CLK_SOURCE_DBGAPB, 0),
627 	CLK_8_1(0, "pc_emc_safe", mux_m_c_p_clkm_mud_mbud_mb_pud, CLK_SOURCE_EMC_SAFE, DCF_IS_EMC_SAFE),
628 };
629 
630 static int periph_init(struct clknode *clk, device_t dev);
631 static int periph_recalc(struct clknode *clk, uint64_t *freq);
632 static int periph_set_freq(struct clknode *clk, uint64_t fin,
633     uint64_t *fout, int flags, int *stop);
634 static int periph_set_mux(struct clknode *clk, int idx);
635 
636 struct periph_sc {
637 	device_t		clkdev;
638 	uint32_t		base_reg;
639 	uint32_t		div_shift;
640 	uint32_t		div_width;
641 	uint32_t		div_mask;
642 	uint32_t		div_f_width;
643 	uint32_t		div_f_mask;
644 	uint32_t		flags;
645 
646 	uint32_t		divider;
647 	int 			mux;
648 };
649 
650 static clknode_method_t periph_methods[] = {
651 	/* Device interface */
652 	CLKNODEMETHOD(clknode_init,		periph_init),
653 	CLKNODEMETHOD(clknode_recalc_freq,	periph_recalc),
654 	CLKNODEMETHOD(clknode_set_freq,		periph_set_freq),
655 	CLKNODEMETHOD(clknode_set_mux, 		periph_set_mux),
656 	CLKNODEMETHOD_END
657 };
658 DEFINE_CLASS_1(tegra210_periph, tegra210_periph_class, periph_methods,
659    sizeof(struct periph_sc), clknode_class);
660 
661 static int
662 periph_init(struct clknode *clk, device_t dev)
663 {
664 	struct periph_sc *sc;
665 	uint32_t reg;
666 	sc = clknode_get_softc(clk);
667 
668 	DEVICE_LOCK(sc);
669 	if (sc->flags & DCF_HAVE_ENA)
670 		MD4(sc, sc->base_reg, PERLCK_ENA_MASK, PERLCK_ENA_MASK);
671 
672 	RD4(sc, sc->base_reg, &reg);
673 	DEVICE_UNLOCK(sc);
674 
675 	/* Stnadard mux. */
676 	if (sc->flags & DCF_HAVE_MUX)
677 		sc->mux = (reg >> PERLCK_MUX_SHIFT) & PERLCK_MUX_MASK;
678 	else
679 		sc->mux = 0;
680 	if (sc->flags & DCF_HAVE_DIV)
681 		sc->divider = (reg & sc->div_mask) + 2;
682 	else
683 		sc->divider = 1;
684 	if ((sc->flags & DCF_IS_MASK) == DCF_IS_UART) {
685 		if (!(reg & PERLCK_UDIV_DIS))
686 			sc->divider = 2;
687 	}
688 
689 	/* AUDIO MUX */
690 	if ((sc->flags & DCF_IS_MASK) == DCF_IS_AHUB) {
691 		if (!(reg & PERLCK_AMUX_DIS) && (sc->mux == 7)) {
692 			sc->mux = 8 +
693 			    ((reg >> PERLCK_AMUX_SHIFT) & PERLCK_MUX_MASK);
694 		}
695 	}
696 	clknode_init_parent_idx(clk, sc->mux);
697 	return(0);
698 }
699 
700 static int
701 periph_set_mux(struct clknode *clk, int idx)
702 {
703 	struct periph_sc *sc;
704 	uint32_t reg;
705 
706 
707 	sc = clknode_get_softc(clk);
708 	if (!(sc->flags & DCF_HAVE_MUX))
709 		return (ENXIO);
710 
711 	sc->mux = idx;
712 	DEVICE_LOCK(sc);
713 	RD4(sc, sc->base_reg, &reg);
714 	reg &= ~(PERLCK_MUX_MASK << PERLCK_MUX_SHIFT);
715 	if ((sc->flags & DCF_IS_MASK) == DCF_IS_AHUB) {
716 		reg &= ~PERLCK_AMUX_DIS;
717 		reg &= ~(PERLCK_MUX_MASK << PERLCK_AMUX_SHIFT);
718 
719 		if (idx <= 7) {
720 			reg |= idx << PERLCK_MUX_SHIFT;
721 		} else {
722 			reg |= 7 << PERLCK_MUX_SHIFT;
723 			reg |= (idx - 8) << PERLCK_AMUX_SHIFT;
724 		}
725 	} else {
726 		reg |= idx << PERLCK_MUX_SHIFT;
727 	}
728 	WR4(sc, sc->base_reg, reg);
729 	DEVICE_UNLOCK(sc);
730 
731 	return(0);
732 }
733 
734 static int
735 periph_recalc(struct clknode *clk, uint64_t *freq)
736 {
737 	struct periph_sc *sc;
738 	uint32_t reg;
739 
740 	sc = clknode_get_softc(clk);
741 
742 	if (sc->flags & DCF_HAVE_DIV) {
743 		DEVICE_LOCK(sc);
744 		RD4(sc, sc->base_reg, &reg);
745 		DEVICE_UNLOCK(sc);
746 		*freq = (*freq << sc->div_f_width) / sc->divider;
747 	}
748 	return (0);
749 }
750 
751 static int
752 periph_set_freq(struct clknode *clk, uint64_t fin, uint64_t *fout,
753    int flags, int *stop)
754 {
755 	struct periph_sc *sc;
756 	uint64_t tmp, divider;
757 
758 	sc = clknode_get_softc(clk);
759 	if (!(sc->flags & DCF_HAVE_DIV)) {
760 		*stop = 0;
761 		return (0);
762 	}
763 
764 	tmp = fin << sc->div_f_width;
765 	divider = tmp / *fout;
766 	if ((tmp % *fout) != 0)
767 		divider++;
768 
769 	if (divider < (1 << sc->div_f_width))
770 		 divider = 1 << (sc->div_f_width - 1);
771 
772 	if (flags & CLK_SET_DRYRUN) {
773 		if (((flags & (CLK_SET_ROUND_UP | CLK_SET_ROUND_DOWN)) == 0) &&
774 		    (*fout != (tmp / divider)))
775 			return (ERANGE);
776 	} else {
777 		DEVICE_LOCK(sc);
778 		MD4(sc, sc->base_reg, sc->div_mask,
779 		    (divider - (1 << sc->div_f_width)));
780 		DEVICE_UNLOCK(sc);
781 		sc->divider = divider;
782 	}
783 	*fout = tmp / divider;
784 	*stop = 1;
785 	return (0);
786 }
787 
788 static int
789 periph_register(struct clkdom *clkdom, struct periph_def *clkdef)
790 {
791 	struct clknode *clk;
792 	struct periph_sc *sc;
793 
794 	clk = clknode_create(clkdom, &tegra210_periph_class, &clkdef->clkdef);
795 	if (clk == NULL)
796 		return (1);
797 
798 	sc = clknode_get_softc(clk);
799 	sc->clkdev = clknode_get_device(clk);
800 	sc->base_reg = clkdef->base_reg;
801 	sc->div_width = clkdef->div_width;
802 	sc->div_mask = (1 <<clkdef->div_width) - 1;
803 	sc->div_f_width = clkdef->div_f_width;
804 	sc->div_f_mask = (1 <<clkdef->div_f_width) - 1;
805 	sc->flags = clkdef->flags;
806 
807 	clknode_register(clkdom, clk);
808 	return (0);
809 }
810 
811 /* -------------------------------------------------------------------------- */
812 static int pgate_init(struct clknode *clk, device_t dev);
813 static int pgate_set_gate(struct clknode *clk, bool enable);
814 
815 struct pgate_sc {
816 	device_t		clkdev;
817 	uint32_t		idx;
818 	uint32_t		flags;
819 	uint32_t		enabled;
820 
821 };
822 
823 static clknode_method_t pgate_methods[] = {
824 	/* Device interface */
825 	CLKNODEMETHOD(clknode_init,		pgate_init),
826 	CLKNODEMETHOD(clknode_set_gate,		pgate_set_gate),
827 	CLKNODEMETHOD_END
828 };
829 DEFINE_CLASS_1(tegra210_pgate, tegra210_pgate_class, pgate_methods,
830    sizeof(struct pgate_sc), clknode_class);
831 
832 static uint32_t
833 get_enable_reg(int idx)
834 {
835 	KASSERT(idx / 32 < nitems(clk_enable_reg),
836 	    ("Invalid clock index for enable: %d", idx));
837 	return (clk_enable_reg[idx / 32]);
838 }
839 
840 static uint32_t
841 get_reset_reg(int idx)
842 {
843 	KASSERT(idx / 32 < nitems(clk_reset_reg),
844 	    ("Invalid clock index for reset: %d", idx));
845 	return (clk_reset_reg[idx / 32]);
846 }
847 
848 static int
849 pgate_init(struct clknode *clk, device_t dev)
850 {
851 	struct pgate_sc *sc;
852 	uint32_t ena_reg, rst_reg, mask;
853 
854 	sc = clknode_get_softc(clk);
855 	mask = 1 << (sc->idx % 32);
856 
857 	DEVICE_LOCK(sc);
858 	RD4(sc, get_enable_reg(sc->idx), &ena_reg);
859 	RD4(sc, get_reset_reg(sc->idx), &rst_reg);
860 	DEVICE_UNLOCK(sc);
861 
862 	sc->enabled = ena_reg & mask ? 1 : 0;
863 	clknode_init_parent_idx(clk, 0);
864 
865 	return(0);
866 }
867 
868 static int
869 pgate_set_gate(struct clknode *clk, bool enable)
870 {
871 	struct pgate_sc *sc;
872 	uint32_t reg, mask, base_reg;
873 
874 	sc = clknode_get_softc(clk);
875 	mask = 1 << (sc->idx % 32);
876 	sc->enabled = enable;
877 	base_reg = get_enable_reg(sc->idx);
878 
879 	DEVICE_LOCK(sc);
880 	MD4(sc, base_reg, mask, enable ? mask : 0);
881 	RD4(sc, base_reg, &reg);
882 	DEVICE_UNLOCK(sc);
883 
884 	DELAY(2);
885 	return(0);
886 }
887 
888 int
889 tegra210_hwreset_by_idx(struct tegra210_car_softc *sc, intptr_t idx, bool reset)
890 {
891 	uint32_t reg, mask, reset_reg;
892 
893 	CLKDEV_DEVICE_LOCK(sc->dev);
894 	if (idx == TEGRA210_RST_DFLL_DVCO) {
895 		CLKDEV_MODIFY_4(sc->dev, DFLL_BASE, DFLL_BASE_DVFS_DFLL_RESET,
896 		    reset ? DFLL_BASE_DVFS_DFLL_RESET : 0);
897 		CLKDEV_READ_4(sc->dev, DFLL_BASE, &reg);
898 	}
899 	if (idx == TEGRA210_RST_ADSP) {
900 		reset_reg = (reset) ? RST_DEV_Y_SET: RST_DEV_Y_CLR;
901 		mask  = (0x1F << 22) |(1 << 7);
902 		CLKDEV_WRITE_4(sc->dev, reset_reg, mask);
903 		CLKDEV_READ_4(sc->dev, reset_reg, &reg);
904 	} else {
905 		mask = 1 << (idx % 32);
906 		reset_reg = get_reset_reg(idx);
907 
908 		CLKDEV_MODIFY_4(sc->dev, reset_reg, mask, reset ? mask : 0);
909 		CLKDEV_READ_4(sc->dev, reset_reg, &reg);
910 	}
911 	CLKDEV_DEVICE_UNLOCK(sc->dev);
912 
913 	return(0);
914 }
915 
916 static int
917 pgate_register(struct clkdom *clkdom, struct pgate_def *clkdef)
918 {
919 	struct clknode *clk;
920 	struct pgate_sc *sc;
921 
922 	clk = clknode_create(clkdom, &tegra210_pgate_class, &clkdef->clkdef);
923 	if (clk == NULL)
924 		return (1);
925 
926 	sc = clknode_get_softc(clk);
927 	sc->clkdev = clknode_get_device(clk);
928 	sc->idx = clkdef->idx;
929 	sc->flags = clkdef->flags;
930 
931 	clknode_register(clkdom, clk);
932 	return (0);
933 }
934 
935 void
936 tegra210_periph_clock(struct tegra210_car_softc *sc)
937 {
938 	int i, rv;
939 
940 	for (i = 0; i <  nitems(periph_def); i++) {
941 		rv = periph_register(sc->clkdom, &periph_def[i]);
942 		if (rv != 0)
943 			panic("tegra210_periph_register failed");
944 	}
945 	for (i = 0; i <  nitems(pgate_def); i++) {
946 		rv = pgate_register(sc->clkdom, &pgate_def[i]);
947 		if (rv != 0)
948 			panic("tegra210_pgate_register failed");
949 	}
950 
951 }
952