xref: /linux/drivers/clk/socfpga/clk-agilex.c (revision 0ad53fe3ae82443c74ff8cfd7bd13377cc1134a3)
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_device.h>
8 #include <linux/of_address.h>
9 #include <linux/platform_device.h>
10 
11 #include <dt-bindings/clock/agilex-clock.h>
12 
13 #include "stratix10-clk.h"
14 
15 static const struct clk_parent_data pll_mux[] = {
16 	{ .fw_name = "osc1",
17 	  .name = "osc1", },
18 	{ .fw_name = "cb-intosc-hs-div2-clk",
19 	  .name = "cb-intosc-hs-div2-clk", },
20 	{ .fw_name = "f2s-free-clk",
21 	  .name = "f2s-free-clk", },
22 };
23 
24 static const struct clk_parent_data boot_mux[] = {
25 	{ .fw_name = "osc1",
26 	  .name = "osc1", },
27 	{ .fw_name = "cb-intosc-hs-div2-clk",
28 	  .name = "cb-intosc-hs-div2-clk", },
29 };
30 
31 static const struct clk_parent_data mpu_free_mux[] = {
32 	{ .fw_name = "main_pll_c0",
33 	  .name = "main_pll_c0", },
34 	{ .fw_name = "peri_pll_c0",
35 	  .name = "peri_pll_c0", },
36 	{ .fw_name = "osc1",
37 	  .name = "osc1", },
38 	{ .fw_name = "cb-intosc-hs-div2-clk",
39 	  .name = "cb-intosc-hs-div2-clk", },
40 	{ .fw_name = "f2s-free-clk",
41 	  .name = "f2s-free-clk", },
42 };
43 
44 static const struct clk_parent_data noc_free_mux[] = {
45 	{ .fw_name = "main_pll_c1",
46 	  .name = "main_pll_c1", },
47 	{ .fw_name = "peri_pll_c1",
48 	  .name = "peri_pll_c1", },
49 	{ .fw_name = "osc1",
50 	  .name = "osc1", },
51 	{ .fw_name = "cb-intosc-hs-div2-clk",
52 	  .name = "cb-intosc-hs-div2-clk", },
53 	{ .fw_name = "f2s-free-clk",
54 	  .name = "f2s-free-clk", },
55 };
56 
57 static const struct clk_parent_data emaca_free_mux[] = {
58 	{ .fw_name = "main_pll_c2",
59 	  .name = "main_pll_c2", },
60 	{ .fw_name = "peri_pll_c2",
61 	  .name = "peri_pll_c2", },
62 	{ .fw_name = "osc1",
63 	  .name = "osc1", },
64 	{ .fw_name = "cb-intosc-hs-div2-clk",
65 	  .name = "cb-intosc-hs-div2-clk", },
66 	{ .fw_name = "f2s-free-clk",
67 	  .name = "f2s-free-clk", },
68 };
69 
70 static const struct clk_parent_data emacb_free_mux[] = {
71 	{ .fw_name = "main_pll_c3",
72 	  .name = "main_pll_c3", },
73 	{ .fw_name = "peri_pll_c3",
74 	  .name = "peri_pll_c3", },
75 	{ .fw_name = "osc1",
76 	  .name = "osc1", },
77 	{ .fw_name = "cb-intosc-hs-div2-clk",
78 	  .name = "cb-intosc-hs-div2-clk", },
79 	{ .fw_name = "f2s-free-clk",
80 	  .name = "f2s-free-clk", },
81 };
82 
83 static const struct clk_parent_data emac_ptp_free_mux[] = {
84 	{ .fw_name = "main_pll_c3",
85 	  .name = "main_pll_c3", },
86 	{ .fw_name = "peri_pll_c3",
87 	  .name = "peri_pll_c3", },
88 	{ .fw_name = "osc1",
89 	  .name = "osc1", },
90 	{ .fw_name = "cb-intosc-hs-div2-clk",
91 	  .name = "cb-intosc-hs-div2-clk", },
92 	{ .fw_name = "f2s-free-clk",
93 	  .name = "f2s-free-clk", },
94 };
95 
96 static const struct clk_parent_data gpio_db_free_mux[] = {
97 	{ .fw_name = "main_pll_c3",
98 	  .name = "main_pll_c3", },
99 	{ .fw_name = "peri_pll_c3",
100 	  .name = "peri_pll_c3", },
101 	{ .fw_name = "osc1",
102 	  .name = "osc1", },
103 	{ .fw_name = "cb-intosc-hs-div2-clk",
104 	  .name = "cb-intosc-hs-div2-clk", },
105 	{ .fw_name = "f2s-free-clk",
106 	  .name = "f2s-free-clk", },
107 };
108 
109 static const struct clk_parent_data psi_ref_free_mux[] = {
110 	{ .fw_name = "main_pll_c2",
111 	  .name = "main_pll_c2", },
112 	{ .fw_name = "peri_pll_c2",
113 	  .name = "peri_pll_c2", },
114 	{ .fw_name = "osc1",
115 	  .name = "osc1", },
116 	{ .fw_name = "cb-intosc-hs-div2-clk",
117 	  .name = "cb-intosc-hs-div2-clk", },
118 	{ .fw_name = "f2s-free-clk",
119 	  .name = "f2s-free-clk", },
120 };
121 
122 static const struct clk_parent_data sdmmc_free_mux[] = {
123 	{ .fw_name = "main_pll_c3",
124 	  .name = "main_pll_c3", },
125 	{ .fw_name = "peri_pll_c3",
126 	  .name = "peri_pll_c3", },
127 	{ .fw_name = "osc1",
128 	  .name = "osc1", },
129 	{ .fw_name = "cb-intosc-hs-div2-clk",
130 	  .name = "cb-intosc-hs-div2-clk", },
131 	{ .fw_name = "f2s-free-clk",
132 	  .name = "f2s-free-clk", },
133 };
134 
135 static const struct clk_parent_data s2f_usr0_free_mux[] = {
136 	{ .fw_name = "main_pll_c2",
137 	  .name = "main_pll_c2", },
138 	{ .fw_name = "peri_pll_c2",
139 	  .name = "peri_pll_c2", },
140 	{ .fw_name = "osc1",
141 	  .name = "osc1", },
142 	{ .fw_name = "cb-intosc-hs-div2-clk",
143 	  .name = "cb-intosc-hs-div2-clk", },
144 	{ .fw_name = "f2s-free-clk",
145 	  .name = "f2s-free-clk", },
146 };
147 
148 static const struct clk_parent_data s2f_usr1_free_mux[] = {
149 	{ .fw_name = "main_pll_c2",
150 	  .name = "main_pll_c2", },
151 	{ .fw_name = "peri_pll_c2",
152 	  .name = "peri_pll_c2", },
153 	{ .fw_name = "osc1",
154 	  .name = "osc1", },
155 	{ .fw_name = "cb-intosc-hs-div2-clk",
156 	  .name = "cb-intosc-hs-div2-clk", },
157 	{ .fw_name = "f2s-free-clk",
158 	  .name = "f2s-free-clk", },
159 };
160 
161 static const struct clk_parent_data mpu_mux[] = {
162 	{ .fw_name = "mpu_free_clk",
163 	  .name = "mpu_free_clk", },
164 	{ .fw_name = "boot_clk",
165 	  .name = "boot_clk", },
166 };
167 
168 static const struct clk_parent_data s2f_usr0_mux[] = {
169 	{ .fw_name = "f2s-free-clk",
170 	  .name = "f2s-free-clk", },
171 	{ .fw_name = "boot_clk",
172 	  .name = "boot_clk", },
173 };
174 
175 static const struct clk_parent_data emac_mux[] = {
176 	{ .fw_name = "emaca_free_clk",
177 	  .name = "emaca_free_clk", },
178 	{ .fw_name = "emacb_free_clk",
179 	  .name = "emacb_free_clk", },
180 	{ .fw_name = "boot_clk",
181 	  .name = "boot_clk", },
182 };
183 
184 static const struct clk_parent_data noc_mux[] = {
185 	{ .fw_name = "noc_free_clk",
186 	  .name = "noc_free_clk", },
187 	{ .fw_name = "boot_clk",
188 	  .name = "boot_clk", },
189 };
190 
191 static const struct clk_parent_data sdmmc_mux[] = {
192 	{ .fw_name = "sdmmc_free_clk",
193 	  .name = "sdmmc_free_clk", },
194 	{ .fw_name = "boot_clk",
195 	  .name = "boot_clk", },
196 };
197 
198 static const struct clk_parent_data s2f_user0_mux[] = {
199 	{ .fw_name = "s2f_user0_free_clk",
200 	  .name = "s2f_user0_free_clk", },
201 	{ .fw_name = "boot_clk",
202 	  .name = "boot_clk", },
203 };
204 
205 static const struct clk_parent_data s2f_user1_mux[] = {
206 	{ .fw_name = "s2f_user1_free_clk",
207 	  .name = "s2f_user1_free_clk", },
208 	{ .fw_name = "boot_clk",
209 	  .name = "boot_clk", },
210 };
211 
212 static const struct clk_parent_data psi_mux[] = {
213 	{ .fw_name = "psi_ref_free_clk",
214 	  .name = "psi_ref_free_clk", },
215 	{ .fw_name = "boot_clk",
216 	  .name = "boot_clk", },
217 };
218 
219 static const struct clk_parent_data gpio_db_mux[] = {
220 	{ .fw_name = "gpio_db_free_clk",
221 	  .name = "gpio_db_free_clk", },
222 	{ .fw_name = "boot_clk",
223 	  .name = "boot_clk", },
224 };
225 
226 static const struct clk_parent_data emac_ptp_mux[] = {
227 	{ .fw_name = "emac_ptp_free_clk",
228 	  .name = "emac_ptp_free_clk", },
229 	{ .fw_name = "boot_clk",
230 	  .name = "boot_clk", },
231 };
232 
233 /* clocks in AO (always on) controller */
234 static const struct stratix10_pll_clock agilex_pll_clks[] = {
235 	{ AGILEX_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0,
236 	  0x0},
237 	{ AGILEX_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux),
238 	  0, 0x48},
239 	{ AGILEX_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux),
240 	  0, 0x9c},
241 };
242 
243 static const struct n5x_perip_c_clock n5x_main_perip_c_clks[] = {
244 	{ AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x54, 0},
245 	{ AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x54, 8},
246 	{ AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x54, 16},
247 	{ AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x54, 24},
248 	{ AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xA8, 0},
249 	{ AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xA8, 8},
250 	{ AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xA8, 16},
251 	{ AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xA8, 24},
252 };
253 
254 static const struct stratix10_perip_c_clock agilex_main_perip_c_clks[] = {
255 	{ AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x58},
256 	{ AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x5C},
257 	{ AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x64},
258 	{ AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x68},
259 	{ AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xAC},
260 	{ AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xB0},
261 	{ AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xB8},
262 	{ AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xBC},
263 };
264 
265 static const struct stratix10_perip_cnt_clock agilex_main_perip_cnt_clks[] = {
266 	{ AGILEX_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux),
267 	   0, 0x3C, 0, 0, 0},
268 	{ AGILEX_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux),
269 	  0, 0x40, 0, 0, 0},
270 	{ AGILEX_L4_SYS_FREE_CLK, "l4_sys_free_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0,
271 	  0, 4, 0x30, 1},
272 	{ AGILEX_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux),
273 	  0, 0xD4, 0, 0x88, 0},
274 	{ AGILEX_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux),
275 	  0, 0xD8, 0, 0x88, 1},
276 	{ AGILEX_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux,
277 	  ARRAY_SIZE(emac_ptp_free_mux), 0, 0xDC, 0, 0x88, 2},
278 	{ AGILEX_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux,
279 	  ARRAY_SIZE(gpio_db_free_mux), 0, 0xE0, 0, 0x88, 3},
280 	{ AGILEX_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux,
281 	  ARRAY_SIZE(sdmmc_free_mux), 0, 0xE4, 0, 0, 0},
282 	{ AGILEX_S2F_USER0_FREE_CLK, "s2f_user0_free_clk", NULL, s2f_usr0_free_mux,
283 	  ARRAY_SIZE(s2f_usr0_free_mux), 0, 0xE8, 0, 0x30, 2},
284 	{ AGILEX_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux,
285 	  ARRAY_SIZE(s2f_usr1_free_mux), 0, 0xEC, 0, 0x88, 5},
286 	{ AGILEX_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux,
287 	  ARRAY_SIZE(psi_ref_free_mux), 0, 0xF0, 0, 0x88, 6},
288 };
289 
290 static const struct stratix10_gate_clock agilex_gate_clks[] = {
291 	{ AGILEX_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x24,
292 	  0, 0, 0, 0, 0x30, 0, 0},
293 	{ AGILEX_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x24,
294 	  0, 0, 0, 0, 0, 0, 4},
295 	{ AGILEX_MPU_CCU_CLK, "mpu_ccu_clk", "mpu_clk", NULL, 1, 0, 0x24,
296 	  0, 0, 0, 0, 0, 0, 2},
297 	{ AGILEX_L4_MAIN_CLK, "l4_main_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
298 	  1, 0x44, 0, 2, 0x30, 1, 0},
299 	{ AGILEX_L4_MP_CLK, "l4_mp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
300 	  2, 0x44, 8, 2, 0x30, 1, 0},
301 	/*
302 	 * The l4_sp_clk feeds a 100 MHz clock to various peripherals, one of them
303 	 * being the SP timers, thus cannot get gated.
304 	 */
305 	{ AGILEX_L4_SP_CLK, "l4_sp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), CLK_IS_CRITICAL, 0x24,
306 	  3, 0x44, 16, 2, 0x30, 1, 0},
307 	{ AGILEX_CS_AT_CLK, "cs_at_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
308 	  4, 0x44, 24, 2, 0x30, 1, 0},
309 	{ AGILEX_CS_TRACE_CLK, "cs_trace_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
310 	  4, 0x44, 26, 2, 0x30, 1, 0},
311 	{ AGILEX_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x24,
312 	  4, 0x44, 28, 1, 0, 0, 0},
313 	{ AGILEX_CS_TIMER_CLK, "cs_timer_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
314 	  5, 0, 0, 0, 0x30, 1, 0},
315 	{ AGILEX_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_usr0_mux, ARRAY_SIZE(s2f_usr0_mux), 0, 0x24,
316 	  6, 0, 0, 0, 0, 0, 0},
317 	{ AGILEX_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
318 	  0, 0, 0, 0, 0x94, 26, 0},
319 	{ AGILEX_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
320 	  1, 0, 0, 0, 0x94, 27, 0},
321 	{ AGILEX_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
322 	  2, 0, 0, 0, 0x94, 28, 0},
323 	{ AGILEX_EMAC_PTP_CLK, "emac_ptp_clk", NULL, emac_ptp_mux, ARRAY_SIZE(emac_ptp_mux), 0, 0x7C,
324 	  3, 0, 0, 0, 0x88, 2, 0},
325 	{ AGILEX_GPIO_DB_CLK, "gpio_db_clk", NULL, gpio_db_mux, ARRAY_SIZE(gpio_db_mux), 0, 0x7C,
326 	  4, 0x98, 0, 16, 0x88, 3, 0},
327 	{ AGILEX_SDMMC_CLK, "sdmmc_clk", NULL, sdmmc_mux, ARRAY_SIZE(sdmmc_mux), 0, 0x7C,
328 	  5, 0, 0, 0, 0x88, 4, 4},
329 	{ AGILEX_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_user0_mux, ARRAY_SIZE(s2f_user0_mux), 0, 0x24,
330 	  6, 0, 0, 0, 0x30, 2, 0},
331 	{ AGILEX_S2F_USER1_CLK, "s2f_user1_clk", NULL, s2f_user1_mux, ARRAY_SIZE(s2f_user1_mux), 0, 0x7C,
332 	  6, 0, 0, 0, 0x88, 5, 0},
333 	{ AGILEX_PSI_REF_CLK, "psi_ref_clk", NULL, psi_mux, ARRAY_SIZE(psi_mux), 0, 0x7C,
334 	  7, 0, 0, 0, 0x88, 6, 0},
335 	{ AGILEX_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
336 	  8, 0, 0, 0, 0, 0, 0},
337 	{ AGILEX_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
338 	  9, 0, 0, 0, 0, 0, 0},
339 	{ AGILEX_NAND_X_CLK, "nand_x_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
340 	  10, 0, 0, 0, 0, 0, 0},
341 	{ AGILEX_NAND_CLK, "nand_clk", "nand_x_clk", NULL, 1, 0, 0x7C,
342 	  10, 0, 0, 0, 0, 0, 4},
343 	{ AGILEX_NAND_ECC_CLK, "nand_ecc_clk", "nand_x_clk", NULL, 1, 0, 0x7C,
344 	  10, 0, 0, 0, 0, 0, 4},
345 };
346 
347 static int n5x_clk_register_c_perip(const struct n5x_perip_c_clock *clks,
348 				       int nums, struct stratix10_clock_data *data)
349 {
350 	struct clk_hw *hw_clk;
351 	void __iomem *base = data->base;
352 	int i;
353 
354 	for (i = 0; i < nums; i++) {
355 		hw_clk = n5x_register_periph(&clks[i], base);
356 		if (IS_ERR(hw_clk)) {
357 			pr_err("%s: failed to register clock %s\n",
358 			       __func__, clks[i].name);
359 			continue;
360 		}
361 		data->clk_data.hws[clks[i].id] = hw_clk;
362 	}
363 	return 0;
364 }
365 
366 static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
367 				       int nums, struct stratix10_clock_data *data)
368 {
369 	struct clk_hw *hw_clk;
370 	void __iomem *base = data->base;
371 	int i;
372 
373 	for (i = 0; i < nums; i++) {
374 		hw_clk = s10_register_periph(&clks[i], base);
375 		if (IS_ERR(hw_clk)) {
376 			pr_err("%s: failed to register clock %s\n",
377 			       __func__, clks[i].name);
378 			continue;
379 		}
380 		data->clk_data.hws[clks[i].id] = hw_clk;
381 	}
382 	return 0;
383 }
384 
385 static int agilex_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks,
386 					 int nums, struct stratix10_clock_data *data)
387 {
388 	struct clk_hw *hw_clk;
389 	void __iomem *base = data->base;
390 	int i;
391 
392 	for (i = 0; i < nums; i++) {
393 		hw_clk = s10_register_cnt_periph(&clks[i], base);
394 		if (IS_ERR(hw_clk)) {
395 			pr_err("%s: failed to register clock %s\n",
396 			       __func__, clks[i].name);
397 			continue;
398 		}
399 		data->clk_data.hws[clks[i].id] = hw_clk;
400 	}
401 
402 	return 0;
403 }
404 
405 static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks,
406 				    int nums, struct stratix10_clock_data *data)
407 {
408 	struct clk_hw *hw_clk;
409 	void __iomem *base = data->base;
410 	int i;
411 
412 	for (i = 0; i < nums; i++) {
413 		hw_clk = agilex_register_gate(&clks[i], base);
414 		if (IS_ERR(hw_clk)) {
415 			pr_err("%s: failed to register clock %s\n",
416 			       __func__, clks[i].name);
417 			continue;
418 		}
419 		data->clk_data.hws[clks[i].id] = hw_clk;
420 	}
421 
422 	return 0;
423 }
424 
425 static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks,
426 				 int nums, struct stratix10_clock_data *data)
427 {
428 	struct clk_hw *hw_clk;
429 	void __iomem *base = data->base;
430 	int i;
431 
432 	for (i = 0; i < nums; i++) {
433 		hw_clk = agilex_register_pll(&clks[i], base);
434 		if (IS_ERR(hw_clk)) {
435 			pr_err("%s: failed to register clock %s\n",
436 			       __func__, clks[i].name);
437 			continue;
438 		}
439 		data->clk_data.hws[clks[i].id] = hw_clk;
440 	}
441 
442 	return 0;
443 }
444 
445 static int n5x_clk_register_pll(const struct stratix10_pll_clock *clks,
446 				 int nums, struct stratix10_clock_data *data)
447 {
448 	struct clk_hw *hw_clk;
449 	void __iomem *base = data->base;
450 	int i;
451 
452 	for (i = 0; i < nums; i++) {
453 		hw_clk = n5x_register_pll(&clks[i], base);
454 		if (IS_ERR(hw_clk)) {
455 			pr_err("%s: failed to register clock %s\n",
456 			       __func__, clks[i].name);
457 			continue;
458 		}
459 		data->clk_data.hws[clks[i].id] = hw_clk;
460 	}
461 
462 	return 0;
463 }
464 
465 static int agilex_clkmgr_init(struct platform_device *pdev)
466 {
467 	struct device_node *np = pdev->dev.of_node;
468 	struct device *dev = &pdev->dev;
469 	struct stratix10_clock_data *clk_data;
470 	struct resource *res;
471 	void __iomem *base;
472 	int i, num_clks;
473 
474 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
475 	base = devm_ioremap_resource(dev, res);
476 	if (IS_ERR(base))
477 		return PTR_ERR(base);
478 
479 	num_clks = AGILEX_NUM_CLKS;
480 
481 	clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
482 				num_clks), GFP_KERNEL);
483 	if (!clk_data)
484 		return -ENOMEM;
485 
486 	for (i = 0; i < num_clks; i++)
487 		clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
488 
489 	clk_data->base = base;
490 	clk_data->clk_data.num = num_clks;
491 
492 	agilex_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
493 
494 	agilex_clk_register_c_perip(agilex_main_perip_c_clks,
495 				 ARRAY_SIZE(agilex_main_perip_c_clks), clk_data);
496 
497 	agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
498 				   ARRAY_SIZE(agilex_main_perip_cnt_clks),
499 				   clk_data);
500 
501 	agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
502 			      clk_data);
503 	of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
504 	return 0;
505 }
506 
507 static int n5x_clkmgr_init(struct platform_device *pdev)
508 {
509 	struct device_node *np = pdev->dev.of_node;
510 	struct device *dev = &pdev->dev;
511 	struct stratix10_clock_data *clk_data;
512 	struct resource *res;
513 	void __iomem *base;
514 	int i, num_clks;
515 
516 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
517 	base = devm_ioremap_resource(dev, res);
518 	if (IS_ERR(base))
519 		return PTR_ERR(base);
520 
521 	num_clks = AGILEX_NUM_CLKS;
522 
523 	clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
524 				num_clks), GFP_KERNEL);
525 	if (!clk_data)
526 		return -ENOMEM;
527 
528 	for (i = 0; i < num_clks; i++)
529 		clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
530 
531 	clk_data->base = base;
532 	clk_data->clk_data.num = num_clks;
533 
534 	n5x_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
535 
536 	n5x_clk_register_c_perip(n5x_main_perip_c_clks,
537 				 ARRAY_SIZE(n5x_main_perip_c_clks), clk_data);
538 
539 	agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
540 				   ARRAY_SIZE(agilex_main_perip_cnt_clks),
541 				   clk_data);
542 
543 	agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
544 			      clk_data);
545 	of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
546 	return 0;
547 }
548 
549 static int agilex_clkmgr_probe(struct platform_device *pdev)
550 {
551 	int (*probe_func)(struct platform_device *init_func);
552 
553 	probe_func = of_device_get_match_data(&pdev->dev);
554 	if (!probe_func)
555 		return -ENODEV;
556 	return	probe_func(pdev);
557 }
558 
559 static const struct of_device_id agilex_clkmgr_match_table[] = {
560 	{ .compatible = "intel,agilex-clkmgr",
561 	  .data = agilex_clkmgr_init },
562 	{ .compatible = "intel,easic-n5x-clkmgr",
563 	  .data = n5x_clkmgr_init },
564 	{ }
565 };
566 
567 static struct platform_driver agilex_clkmgr_driver = {
568 	.probe		= agilex_clkmgr_probe,
569 	.driver		= {
570 		.name	= "agilex-clkmgr",
571 		.suppress_bind_attrs = true,
572 		.of_match_table = agilex_clkmgr_match_table,
573 	},
574 };
575 
576 static int __init agilex_clk_init(void)
577 {
578 	return platform_driver_register(&agilex_clkmgr_driver);
579 }
580 core_initcall(agilex_clk_init);
581