xref: /openbmc/linux/drivers/clk/socfpga/clk-agilex.c (revision 479965a2)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2019, Intel Corporation
4  */
5 #include <linux/slab.h>
6 #include <linux/clk-provider.h>
7 #include <linux/of.h>
8 #include <linux/platform_device.h>
9 
10 #include <dt-bindings/clock/agilex-clock.h>
11 
12 #include "stratix10-clk.h"
13 
14 static const struct clk_parent_data pll_mux[] = {
15 	{ .fw_name = "osc1",
16 	  .name = "osc1", },
17 	{ .fw_name = "cb-intosc-hs-div2-clk",
18 	  .name = "cb-intosc-hs-div2-clk", },
19 	{ .fw_name = "f2s-free-clk",
20 	  .name = "f2s-free-clk", },
21 };
22 
23 static const struct clk_parent_data boot_mux[] = {
24 	{ .fw_name = "osc1",
25 	  .name = "osc1", },
26 	{ .fw_name = "cb-intosc-hs-div2-clk",
27 	  .name = "cb-intosc-hs-div2-clk", },
28 };
29 
30 static const struct clk_parent_data mpu_free_mux[] = {
31 	{ .fw_name = "main_pll_c0",
32 	  .name = "main_pll_c0", },
33 	{ .fw_name = "peri_pll_c0",
34 	  .name = "peri_pll_c0", },
35 	{ .fw_name = "osc1",
36 	  .name = "osc1", },
37 	{ .fw_name = "cb-intosc-hs-div2-clk",
38 	  .name = "cb-intosc-hs-div2-clk", },
39 	{ .fw_name = "f2s-free-clk",
40 	  .name = "f2s-free-clk", },
41 };
42 
43 static const struct clk_parent_data noc_free_mux[] = {
44 	{ .fw_name = "main_pll_c1",
45 	  .name = "main_pll_c1", },
46 	{ .fw_name = "peri_pll_c1",
47 	  .name = "peri_pll_c1", },
48 	{ .fw_name = "osc1",
49 	  .name = "osc1", },
50 	{ .fw_name = "cb-intosc-hs-div2-clk",
51 	  .name = "cb-intosc-hs-div2-clk", },
52 	{ .fw_name = "f2s-free-clk",
53 	  .name = "f2s-free-clk", },
54 };
55 
56 static const struct clk_parent_data emaca_free_mux[] = {
57 	{ .fw_name = "main_pll_c2",
58 	  .name = "main_pll_c2", },
59 	{ .fw_name = "peri_pll_c2",
60 	  .name = "peri_pll_c2", },
61 	{ .fw_name = "osc1",
62 	  .name = "osc1", },
63 	{ .fw_name = "cb-intosc-hs-div2-clk",
64 	  .name = "cb-intosc-hs-div2-clk", },
65 	{ .fw_name = "f2s-free-clk",
66 	  .name = "f2s-free-clk", },
67 };
68 
69 static const struct clk_parent_data emacb_free_mux[] = {
70 	{ .fw_name = "main_pll_c3",
71 	  .name = "main_pll_c3", },
72 	{ .fw_name = "peri_pll_c3",
73 	  .name = "peri_pll_c3", },
74 	{ .fw_name = "osc1",
75 	  .name = "osc1", },
76 	{ .fw_name = "cb-intosc-hs-div2-clk",
77 	  .name = "cb-intosc-hs-div2-clk", },
78 	{ .fw_name = "f2s-free-clk",
79 	  .name = "f2s-free-clk", },
80 };
81 
82 static const struct clk_parent_data emac_ptp_free_mux[] = {
83 	{ .fw_name = "main_pll_c3",
84 	  .name = "main_pll_c3", },
85 	{ .fw_name = "peri_pll_c3",
86 	  .name = "peri_pll_c3", },
87 	{ .fw_name = "osc1",
88 	  .name = "osc1", },
89 	{ .fw_name = "cb-intosc-hs-div2-clk",
90 	  .name = "cb-intosc-hs-div2-clk", },
91 	{ .fw_name = "f2s-free-clk",
92 	  .name = "f2s-free-clk", },
93 };
94 
95 static const struct clk_parent_data gpio_db_free_mux[] = {
96 	{ .fw_name = "main_pll_c3",
97 	  .name = "main_pll_c3", },
98 	{ .fw_name = "peri_pll_c3",
99 	  .name = "peri_pll_c3", },
100 	{ .fw_name = "osc1",
101 	  .name = "osc1", },
102 	{ .fw_name = "cb-intosc-hs-div2-clk",
103 	  .name = "cb-intosc-hs-div2-clk", },
104 	{ .fw_name = "f2s-free-clk",
105 	  .name = "f2s-free-clk", },
106 };
107 
108 static const struct clk_parent_data psi_ref_free_mux[] = {
109 	{ .fw_name = "main_pll_c2",
110 	  .name = "main_pll_c2", },
111 	{ .fw_name = "peri_pll_c2",
112 	  .name = "peri_pll_c2", },
113 	{ .fw_name = "osc1",
114 	  .name = "osc1", },
115 	{ .fw_name = "cb-intosc-hs-div2-clk",
116 	  .name = "cb-intosc-hs-div2-clk", },
117 	{ .fw_name = "f2s-free-clk",
118 	  .name = "f2s-free-clk", },
119 };
120 
121 static const struct clk_parent_data sdmmc_free_mux[] = {
122 	{ .fw_name = "main_pll_c3",
123 	  .name = "main_pll_c3", },
124 	{ .fw_name = "peri_pll_c3",
125 	  .name = "peri_pll_c3", },
126 	{ .fw_name = "osc1",
127 	  .name = "osc1", },
128 	{ .fw_name = "cb-intosc-hs-div2-clk",
129 	  .name = "cb-intosc-hs-div2-clk", },
130 	{ .fw_name = "f2s-free-clk",
131 	  .name = "f2s-free-clk", },
132 };
133 
134 static const struct clk_parent_data s2f_usr0_free_mux[] = {
135 	{ .fw_name = "main_pll_c2",
136 	  .name = "main_pll_c2", },
137 	{ .fw_name = "peri_pll_c2",
138 	  .name = "peri_pll_c2", },
139 	{ .fw_name = "osc1",
140 	  .name = "osc1", },
141 	{ .fw_name = "cb-intosc-hs-div2-clk",
142 	  .name = "cb-intosc-hs-div2-clk", },
143 	{ .fw_name = "f2s-free-clk",
144 	  .name = "f2s-free-clk", },
145 };
146 
147 static const struct clk_parent_data s2f_usr1_free_mux[] = {
148 	{ .fw_name = "main_pll_c2",
149 	  .name = "main_pll_c2", },
150 	{ .fw_name = "peri_pll_c2",
151 	  .name = "peri_pll_c2", },
152 	{ .fw_name = "osc1",
153 	  .name = "osc1", },
154 	{ .fw_name = "cb-intosc-hs-div2-clk",
155 	  .name = "cb-intosc-hs-div2-clk", },
156 	{ .fw_name = "f2s-free-clk",
157 	  .name = "f2s-free-clk", },
158 };
159 
160 static const struct clk_parent_data mpu_mux[] = {
161 	{ .fw_name = "mpu_free_clk",
162 	  .name = "mpu_free_clk", },
163 	{ .fw_name = "boot_clk",
164 	  .name = "boot_clk", },
165 };
166 
167 static const struct clk_parent_data emac_mux[] = {
168 	{ .fw_name = "emaca_free_clk",
169 	  .name = "emaca_free_clk", },
170 	{ .fw_name = "emacb_free_clk",
171 	  .name = "emacb_free_clk", },
172 	{ .fw_name = "boot_clk",
173 	  .name = "boot_clk", },
174 };
175 
176 static const struct clk_parent_data noc_mux[] = {
177 	{ .fw_name = "noc_free_clk",
178 	  .name = "noc_free_clk", },
179 	{ .fw_name = "boot_clk",
180 	  .name = "boot_clk", },
181 };
182 
183 static const struct clk_parent_data sdmmc_mux[] = {
184 	{ .fw_name = "sdmmc_free_clk",
185 	  .name = "sdmmc_free_clk", },
186 	{ .fw_name = "boot_clk",
187 	  .name = "boot_clk", },
188 };
189 
190 static const struct clk_parent_data s2f_user0_mux[] = {
191 	{ .fw_name = "s2f_user0_free_clk",
192 	  .name = "s2f_user0_free_clk", },
193 	{ .fw_name = "boot_clk",
194 	  .name = "boot_clk", },
195 };
196 
197 static const struct clk_parent_data s2f_user1_mux[] = {
198 	{ .fw_name = "s2f_user1_free_clk",
199 	  .name = "s2f_user1_free_clk", },
200 	{ .fw_name = "boot_clk",
201 	  .name = "boot_clk", },
202 };
203 
204 static const struct clk_parent_data psi_mux[] = {
205 	{ .fw_name = "psi_ref_free_clk",
206 	  .name = "psi_ref_free_clk", },
207 	{ .fw_name = "boot_clk",
208 	  .name = "boot_clk", },
209 };
210 
211 static const struct clk_parent_data gpio_db_mux[] = {
212 	{ .fw_name = "gpio_db_free_clk",
213 	  .name = "gpio_db_free_clk", },
214 	{ .fw_name = "boot_clk",
215 	  .name = "boot_clk", },
216 };
217 
218 static const struct clk_parent_data emac_ptp_mux[] = {
219 	{ .fw_name = "emac_ptp_free_clk",
220 	  .name = "emac_ptp_free_clk", },
221 	{ .fw_name = "boot_clk",
222 	  .name = "boot_clk", },
223 };
224 
225 /* clocks in AO (always on) controller */
226 static const struct stratix10_pll_clock agilex_pll_clks[] = {
227 	{ AGILEX_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0,
228 	  0x0},
229 	{ AGILEX_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux),
230 	  0, 0x48},
231 	{ AGILEX_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux),
232 	  0, 0x9c},
233 };
234 
235 static const struct n5x_perip_c_clock n5x_main_perip_c_clks[] = {
236 	{ AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x54, 0},
237 	{ AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x54, 8},
238 	{ AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x54, 16},
239 	{ AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x54, 24},
240 	{ AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xA8, 0},
241 	{ AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xA8, 8},
242 	{ AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xA8, 16},
243 	{ AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xA8, 24},
244 };
245 
246 static const struct stratix10_perip_c_clock agilex_main_perip_c_clks[] = {
247 	{ AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x58},
248 	{ AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x5C},
249 	{ AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x64},
250 	{ AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x68},
251 	{ AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xAC},
252 	{ AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xB0},
253 	{ AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xB8},
254 	{ AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xBC},
255 };
256 
257 static const struct stratix10_perip_cnt_clock agilex_main_perip_cnt_clks[] = {
258 	{ AGILEX_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux),
259 	   0, 0x3C, 0, 0, 0},
260 	{ AGILEX_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux),
261 	  0, 0x40, 0, 0, 0},
262 	{ AGILEX_L4_SYS_FREE_CLK, "l4_sys_free_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0,
263 	  0, 4, 0x30, 1},
264 	{ AGILEX_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux),
265 	  0, 0xD4, 0, 0x88, 0},
266 	{ AGILEX_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux),
267 	  0, 0xD8, 0, 0x88, 1},
268 	{ AGILEX_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux,
269 	  ARRAY_SIZE(emac_ptp_free_mux), 0, 0xDC, 0, 0x88, 2},
270 	{ AGILEX_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux,
271 	  ARRAY_SIZE(gpio_db_free_mux), 0, 0xE0, 0, 0x88, 3},
272 	{ AGILEX_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux,
273 	  ARRAY_SIZE(sdmmc_free_mux), 0, 0xE4, 0, 0, 0},
274 	{ AGILEX_S2F_USER0_FREE_CLK, "s2f_user0_free_clk", NULL, s2f_usr0_free_mux,
275 	  ARRAY_SIZE(s2f_usr0_free_mux), 0, 0xE8, 0, 0x30, 2},
276 	{ AGILEX_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux,
277 	  ARRAY_SIZE(s2f_usr1_free_mux), 0, 0xEC, 0, 0x88, 5},
278 	{ AGILEX_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux,
279 	  ARRAY_SIZE(psi_ref_free_mux), 0, 0xF0, 0, 0x88, 6},
280 };
281 
282 static const struct stratix10_gate_clock agilex_gate_clks[] = {
283 	{ AGILEX_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x24,
284 	  0, 0, 0, 0, 0x30, 0, 0},
285 	{ AGILEX_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x24,
286 	  0, 0, 0, 0, 0, 0, 4},
287 	{ AGILEX_MPU_CCU_CLK, "mpu_ccu_clk", "mpu_clk", NULL, 1, 0, 0x24,
288 	  0, 0, 0, 0, 0, 0, 2},
289 	{ AGILEX_L4_MAIN_CLK, "l4_main_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
290 	  1, 0x44, 0, 2, 0x30, 1, 0},
291 	{ AGILEX_L4_MP_CLK, "l4_mp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
292 	  2, 0x44, 8, 2, 0x30, 1, 0},
293 	/*
294 	 * The l4_sp_clk feeds a 100 MHz clock to various peripherals, one of them
295 	 * being the SP timers, thus cannot get gated.
296 	 */
297 	{ AGILEX_L4_SP_CLK, "l4_sp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), CLK_IS_CRITICAL, 0x24,
298 	  3, 0x44, 16, 2, 0x30, 1, 0},
299 	{ AGILEX_CS_AT_CLK, "cs_at_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
300 	  4, 0x44, 24, 2, 0x30, 1, 0},
301 	{ AGILEX_CS_TRACE_CLK, "cs_trace_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
302 	  4, 0x44, 26, 2, 0x30, 1, 0},
303 	{ AGILEX_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x24,
304 	  4, 0x44, 28, 1, 0, 0, 0},
305 	{ AGILEX_CS_TIMER_CLK, "cs_timer_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
306 	  5, 0, 0, 0, 0x30, 1, 0},
307 	{ AGILEX_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
308 	  0, 0, 0, 0, 0x94, 26, 0},
309 	{ AGILEX_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
310 	  1, 0, 0, 0, 0x94, 27, 0},
311 	{ AGILEX_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
312 	  2, 0, 0, 0, 0x94, 28, 0},
313 	{ AGILEX_EMAC_PTP_CLK, "emac_ptp_clk", NULL, emac_ptp_mux, ARRAY_SIZE(emac_ptp_mux), 0, 0x7C,
314 	  3, 0, 0, 0, 0x88, 2, 0},
315 	{ AGILEX_GPIO_DB_CLK, "gpio_db_clk", NULL, gpio_db_mux, ARRAY_SIZE(gpio_db_mux), 0, 0x7C,
316 	  4, 0x98, 0, 16, 0x88, 3, 0},
317 	{ AGILEX_SDMMC_CLK, "sdmmc_clk", NULL, sdmmc_mux, ARRAY_SIZE(sdmmc_mux), 0, 0x7C,
318 	  5, 0, 0, 0, 0x88, 4, 4},
319 	{ AGILEX_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_user0_mux, ARRAY_SIZE(s2f_user0_mux), 0, 0x24,
320 	  6, 0, 0, 0, 0x30, 2, 0},
321 	{ AGILEX_S2F_USER1_CLK, "s2f_user1_clk", NULL, s2f_user1_mux, ARRAY_SIZE(s2f_user1_mux), 0, 0x7C,
322 	  6, 0, 0, 0, 0x88, 5, 0},
323 	{ AGILEX_PSI_REF_CLK, "psi_ref_clk", NULL, psi_mux, ARRAY_SIZE(psi_mux), 0, 0x7C,
324 	  7, 0, 0, 0, 0x88, 6, 0},
325 	{ AGILEX_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
326 	  8, 0, 0, 0, 0, 0, 0},
327 	{ AGILEX_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
328 	  9, 0, 0, 0, 0, 0, 0},
329 	{ AGILEX_NAND_X_CLK, "nand_x_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
330 	  10, 0, 0, 0, 0, 0, 0},
331 	{ AGILEX_NAND_CLK, "nand_clk", "nand_x_clk", NULL, 1, 0, 0x7C,
332 	  10, 0, 0, 0, 0, 0, 4},
333 	{ AGILEX_NAND_ECC_CLK, "nand_ecc_clk", "nand_x_clk", NULL, 1, 0, 0x7C,
334 	  10, 0, 0, 0, 0, 0, 4},
335 };
336 
337 static int n5x_clk_register_c_perip(const struct n5x_perip_c_clock *clks,
338 				       int nums, struct stratix10_clock_data *data)
339 {
340 	struct clk_hw *hw_clk;
341 	void __iomem *base = data->base;
342 	int i;
343 
344 	for (i = 0; i < nums; i++) {
345 		hw_clk = n5x_register_periph(&clks[i], base);
346 		if (IS_ERR(hw_clk)) {
347 			pr_err("%s: failed to register clock %s\n",
348 			       __func__, clks[i].name);
349 			continue;
350 		}
351 		data->clk_data.hws[clks[i].id] = hw_clk;
352 	}
353 	return 0;
354 }
355 
356 static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
357 				       int nums, struct stratix10_clock_data *data)
358 {
359 	struct clk_hw *hw_clk;
360 	void __iomem *base = data->base;
361 	int i;
362 
363 	for (i = 0; i < nums; i++) {
364 		hw_clk = s10_register_periph(&clks[i], base);
365 		if (IS_ERR(hw_clk)) {
366 			pr_err("%s: failed to register clock %s\n",
367 			       __func__, clks[i].name);
368 			continue;
369 		}
370 		data->clk_data.hws[clks[i].id] = hw_clk;
371 	}
372 	return 0;
373 }
374 
375 static int agilex_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks,
376 					 int nums, struct stratix10_clock_data *data)
377 {
378 	struct clk_hw *hw_clk;
379 	void __iomem *base = data->base;
380 	int i;
381 
382 	for (i = 0; i < nums; i++) {
383 		hw_clk = s10_register_cnt_periph(&clks[i], base);
384 		if (IS_ERR(hw_clk)) {
385 			pr_err("%s: failed to register clock %s\n",
386 			       __func__, clks[i].name);
387 			continue;
388 		}
389 		data->clk_data.hws[clks[i].id] = hw_clk;
390 	}
391 
392 	return 0;
393 }
394 
395 static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks,
396 				    int nums, struct stratix10_clock_data *data)
397 {
398 	struct clk_hw *hw_clk;
399 	void __iomem *base = data->base;
400 	int i;
401 
402 	for (i = 0; i < nums; i++) {
403 		hw_clk = agilex_register_gate(&clks[i], base);
404 		if (IS_ERR(hw_clk)) {
405 			pr_err("%s: failed to register clock %s\n",
406 			       __func__, clks[i].name);
407 			continue;
408 		}
409 		data->clk_data.hws[clks[i].id] = hw_clk;
410 	}
411 
412 	return 0;
413 }
414 
415 static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks,
416 				 int nums, struct stratix10_clock_data *data)
417 {
418 	struct clk_hw *hw_clk;
419 	void __iomem *base = data->base;
420 	int i;
421 
422 	for (i = 0; i < nums; i++) {
423 		hw_clk = agilex_register_pll(&clks[i], base);
424 		if (IS_ERR(hw_clk)) {
425 			pr_err("%s: failed to register clock %s\n",
426 			       __func__, clks[i].name);
427 			continue;
428 		}
429 		data->clk_data.hws[clks[i].id] = hw_clk;
430 	}
431 
432 	return 0;
433 }
434 
435 static int n5x_clk_register_pll(const struct stratix10_pll_clock *clks,
436 				 int nums, struct stratix10_clock_data *data)
437 {
438 	struct clk_hw *hw_clk;
439 	void __iomem *base = data->base;
440 	int i;
441 
442 	for (i = 0; i < nums; i++) {
443 		hw_clk = n5x_register_pll(&clks[i], base);
444 		if (IS_ERR(hw_clk)) {
445 			pr_err("%s: failed to register clock %s\n",
446 			       __func__, clks[i].name);
447 			continue;
448 		}
449 		data->clk_data.hws[clks[i].id] = hw_clk;
450 	}
451 
452 	return 0;
453 }
454 
455 static int agilex_clkmgr_init(struct platform_device *pdev)
456 {
457 	struct device_node *np = pdev->dev.of_node;
458 	struct device *dev = &pdev->dev;
459 	struct stratix10_clock_data *clk_data;
460 	void __iomem *base;
461 	int i, num_clks;
462 
463 	base = devm_platform_ioremap_resource(pdev, 0);
464 	if (IS_ERR(base))
465 		return PTR_ERR(base);
466 
467 	num_clks = AGILEX_NUM_CLKS;
468 
469 	clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
470 				num_clks), GFP_KERNEL);
471 	if (!clk_data)
472 		return -ENOMEM;
473 
474 	for (i = 0; i < num_clks; i++)
475 		clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
476 
477 	clk_data->base = base;
478 	clk_data->clk_data.num = num_clks;
479 
480 	agilex_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
481 
482 	agilex_clk_register_c_perip(agilex_main_perip_c_clks,
483 				 ARRAY_SIZE(agilex_main_perip_c_clks), clk_data);
484 
485 	agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
486 				   ARRAY_SIZE(agilex_main_perip_cnt_clks),
487 				   clk_data);
488 
489 	agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
490 			      clk_data);
491 	of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
492 	return 0;
493 }
494 
495 static int n5x_clkmgr_init(struct platform_device *pdev)
496 {
497 	struct device_node *np = pdev->dev.of_node;
498 	struct device *dev = &pdev->dev;
499 	struct stratix10_clock_data *clk_data;
500 	void __iomem *base;
501 	int i, num_clks;
502 
503 	base = devm_platform_ioremap_resource(pdev, 0);
504 	if (IS_ERR(base))
505 		return PTR_ERR(base);
506 
507 	num_clks = AGILEX_NUM_CLKS;
508 
509 	clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
510 				num_clks), GFP_KERNEL);
511 	if (!clk_data)
512 		return -ENOMEM;
513 
514 	for (i = 0; i < num_clks; i++)
515 		clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
516 
517 	clk_data->base = base;
518 	clk_data->clk_data.num = num_clks;
519 
520 	n5x_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
521 
522 	n5x_clk_register_c_perip(n5x_main_perip_c_clks,
523 				 ARRAY_SIZE(n5x_main_perip_c_clks), clk_data);
524 
525 	agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
526 				   ARRAY_SIZE(agilex_main_perip_cnt_clks),
527 				   clk_data);
528 
529 	agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
530 			      clk_data);
531 	of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
532 	return 0;
533 }
534 
535 static int agilex_clkmgr_probe(struct platform_device *pdev)
536 {
537 	int (*probe_func)(struct platform_device *init_func);
538 
539 	probe_func = of_device_get_match_data(&pdev->dev);
540 	if (!probe_func)
541 		return -ENODEV;
542 	return	probe_func(pdev);
543 }
544 
545 static const struct of_device_id agilex_clkmgr_match_table[] = {
546 	{ .compatible = "intel,agilex-clkmgr",
547 	  .data = agilex_clkmgr_init },
548 	{ .compatible = "intel,easic-n5x-clkmgr",
549 	  .data = n5x_clkmgr_init },
550 	{ }
551 };
552 
553 static struct platform_driver agilex_clkmgr_driver = {
554 	.probe		= agilex_clkmgr_probe,
555 	.driver		= {
556 		.name	= "agilex-clkmgr",
557 		.suppress_bind_attrs = true,
558 		.of_match_table = agilex_clkmgr_match_table,
559 	},
560 };
561 
562 static int __init agilex_clk_init(void)
563 {
564 	return platform_driver_register(&agilex_clkmgr_driver);
565 }
566 core_initcall(agilex_clk_init);
567