blob: 5b813154221838b169b090a9e5f9db605b04857b [file] [log] [blame]
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -05001// 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
15static 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
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -050024static 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
31static 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
44static 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
57static 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
70static 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
83static 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
96static 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
109static const struct clk_parent_data psi_ref_free_mux[] = {
110 { .fw_name = "main_pll_c3",
111 .name = "main_pll_c3", },
112 { .fw_name = "peri_pll_c3",
113 .name = "peri_pll_c3", },
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
122static 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
135static 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
148static 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
161static 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
168static 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
175static 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};
181
182static const struct clk_parent_data noc_mux[] = {
183 { .fw_name = "noc_free_clk",
184 .name = "noc_free_clk", },
185 { .fw_name = "boot_clk",
186 .name = "boot_clk", },
187};
188
189/* clocks in AO (always on) controller */
190static const struct stratix10_pll_clock agilex_pll_clks[] = {
191 { AGILEX_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0,
192 0x0},
193 { AGILEX_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux),
194 0, 0x48},
195 { AGILEX_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux),
196 0, 0x9c},
197};
198
Dinh Nguyena0f98192021-02-12 08:30:59 -0600199static const struct n5x_perip_c_clock n5x_main_perip_c_clks[] = {
200 { AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x54, 0},
201 { AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x54, 8},
202 { AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x54, 16},
203 { AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x54, 24},
204 { AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xA8, 0},
205 { AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xA8, 8},
206 { AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xA8, 16},
207 { AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xA8, 24},
208};
209
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500210static const struct stratix10_perip_c_clock agilex_main_perip_c_clks[] = {
211 { AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x58},
212 { AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x5C},
213 { AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x64},
214 { AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x68},
215 { AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xAC},
216 { AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xB0},
217 { AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xB8},
218 { AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xBC},
219};
220
221static const struct stratix10_perip_cnt_clock agilex_main_perip_cnt_clks[] = {
222 { AGILEX_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux),
223 0, 0x3C, 0, 0, 0},
224 { AGILEX_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux),
Dinh Nguyenefbe21d2021-06-10 21:51:58 -0500225 0, 0x40, 0, 0, 0},
226 { AGILEX_L4_SYS_FREE_CLK, "l4_sys_free_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0,
227 0, 4, 0x30, 1},
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500228 { AGILEX_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux),
229 0, 0xD4, 0, 0x88, 0},
230 { AGILEX_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux),
231 0, 0xD8, 0, 0x88, 1},
232 { AGILEX_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux,
233 ARRAY_SIZE(emac_ptp_free_mux), 0, 0xDC, 0, 0x88, 2},
234 { AGILEX_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux,
235 ARRAY_SIZE(gpio_db_free_mux), 0, 0xE0, 0, 0x88, 3},
236 { AGILEX_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux,
237 ARRAY_SIZE(sdmmc_free_mux), 0, 0xE4, 0, 0x88, 4},
238 { AGILEX_S2F_USER0_FREE_CLK, "s2f_user0_free_clk", NULL, s2f_usr0_free_mux,
239 ARRAY_SIZE(s2f_usr0_free_mux), 0, 0xE8, 0, 0, 0},
240 { AGILEX_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux,
241 ARRAY_SIZE(s2f_usr1_free_mux), 0, 0xEC, 0, 0x88, 5},
242 { AGILEX_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux,
243 ARRAY_SIZE(psi_ref_free_mux), 0, 0xF0, 0, 0x88, 6},
244};
245
246static const struct stratix10_gate_clock agilex_gate_clks[] = {
247 { AGILEX_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x24,
248 0, 0, 0, 0, 0x30, 0, 0},
249 { AGILEX_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x24,
250 0, 0, 0, 0, 0, 0, 4},
Dinh Nguyen44a7f3e2020-06-16 15:24:17 -0500251 { AGILEX_MPU_CCU_CLK, "mpu_ccu_clk", "mpu_clk", NULL, 1, 0, 0x24,
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500252 0, 0, 0, 0, 0, 0, 2},
Dinh Nguyenefbe21d2021-06-10 21:51:58 -0500253 { AGILEX_L4_MAIN_CLK, "l4_main_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
254 1, 0x44, 0, 2, 0x30, 1, 0},
255 { AGILEX_L4_MP_CLK, "l4_mp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
256 2, 0x44, 8, 2, 0x30, 1, 0},
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500257 /*
258 * The l4_sp_clk feeds a 100 MHz clock to various peripherals, one of them
259 * being the SP timers, thus cannot get gated.
260 */
Dinh Nguyenefbe21d2021-06-10 21:51:58 -0500261 { AGILEX_L4_SP_CLK, "l4_sp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), CLK_IS_CRITICAL, 0x24,
262 3, 0x44, 16, 2, 0x30, 1, 0},
263 { AGILEX_CS_AT_CLK, "cs_at_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
264 4, 0x44, 24, 2, 0x30, 1, 0},
265 { AGILEX_CS_TRACE_CLK, "cs_trace_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
266 4, 0x44, 26, 2, 0x30, 1, 0},
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500267 { AGILEX_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x24,
268 4, 0x44, 28, 1, 0, 0, 0},
Dinh Nguyenefbe21d2021-06-10 21:51:58 -0500269 { AGILEX_CS_TIMER_CLK, "cs_timer_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
270 5, 0, 0, 0, 0x30, 1, 0},
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500271 { AGILEX_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_usr0_mux, ARRAY_SIZE(s2f_usr0_mux), 0, 0x24,
272 6, 0, 0, 0, 0, 0, 0},
273 { AGILEX_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
274 0, 0, 0, 0, 0x94, 26, 0},
275 { AGILEX_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
276 1, 0, 0, 0, 0x94, 27, 0},
277 { AGILEX_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
278 2, 0, 0, 0, 0x94, 28, 0},
279 { AGILEX_EMAC_PTP_CLK, "emac_ptp_clk", "emac_ptp_free_clk", NULL, 1, 0, 0x7C,
280 3, 0, 0, 0, 0, 0, 0},
281 { AGILEX_GPIO_DB_CLK, "gpio_db_clk", "gpio_db_free_clk", NULL, 1, 0, 0x7C,
282 4, 0x98, 0, 16, 0, 0, 0},
283 { AGILEX_SDMMC_CLK, "sdmmc_clk", "sdmmc_free_clk", NULL, 1, 0, 0x7C,
284 5, 0, 0, 0, 0, 0, 4},
285 { AGILEX_S2F_USER1_CLK, "s2f_user1_clk", "s2f_user1_free_clk", NULL, 1, 0, 0x7C,
286 6, 0, 0, 0, 0, 0, 0},
287 { AGILEX_PSI_REF_CLK, "psi_ref_clk", "psi_ref_free_clk", NULL, 1, 0, 0x7C,
288 7, 0, 0, 0, 0, 0, 0},
289 { AGILEX_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
290 8, 0, 0, 0, 0, 0, 0},
291 { AGILEX_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
292 9, 0, 0, 0, 0, 0, 0},
Dinh Nguyen6f3bcf52020-06-16 15:24:16 -0500293 { AGILEX_NAND_X_CLK, "nand_x_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500294 10, 0, 0, 0, 0, 0, 0},
Dinh Nguyen6f3bcf52020-06-16 15:24:16 -0500295 { AGILEX_NAND_CLK, "nand_clk", "nand_x_clk", NULL, 1, 0, 0x7C,
296 10, 0, 0, 0, 0, 0, 4},
297 { AGILEX_NAND_ECC_CLK, "nand_ecc_clk", "nand_x_clk", NULL, 1, 0, 0x7C,
298 10, 0, 0, 0, 0, 0, 4},
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500299};
300
Dinh Nguyena0f98192021-02-12 08:30:59 -0600301static int n5x_clk_register_c_perip(const struct n5x_perip_c_clock *clks,
302 int nums, struct stratix10_clock_data *data)
303{
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600304 struct clk_hw *hw_clk;
Dinh Nguyena0f98192021-02-12 08:30:59 -0600305 void __iomem *base = data->base;
306 int i;
307
308 for (i = 0; i < nums; i++) {
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600309 hw_clk = n5x_register_periph(&clks[i], base);
310 if (IS_ERR(hw_clk)) {
Dinh Nguyena0f98192021-02-12 08:30:59 -0600311 pr_err("%s: failed to register clock %s\n",
312 __func__, clks[i].name);
313 continue;
314 }
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600315 data->clk_data.hws[clks[i].id] = hw_clk;
Dinh Nguyena0f98192021-02-12 08:30:59 -0600316 }
317 return 0;
318}
319
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500320static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
321 int nums, struct stratix10_clock_data *data)
322{
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600323 struct clk_hw *hw_clk;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500324 void __iomem *base = data->base;
325 int i;
326
327 for (i = 0; i < nums; i++) {
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600328 hw_clk = s10_register_periph(&clks[i], base);
329 if (IS_ERR(hw_clk)) {
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500330 pr_err("%s: failed to register clock %s\n",
331 __func__, clks[i].name);
332 continue;
333 }
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600334 data->clk_data.hws[clks[i].id] = hw_clk;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500335 }
336 return 0;
337}
338
339static int agilex_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks,
340 int nums, struct stratix10_clock_data *data)
341{
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600342 struct clk_hw *hw_clk;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500343 void __iomem *base = data->base;
344 int i;
345
346 for (i = 0; i < nums; i++) {
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600347 hw_clk = s10_register_cnt_periph(&clks[i], base);
348 if (IS_ERR(hw_clk)) {
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500349 pr_err("%s: failed to register clock %s\n",
350 __func__, clks[i].name);
351 continue;
352 }
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600353 data->clk_data.hws[clks[i].id] = hw_clk;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500354 }
355
356 return 0;
357}
358
Stephen Boydabbe1ef2021-03-30 19:27:02 -0700359static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks,
360 int nums, struct stratix10_clock_data *data)
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500361{
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600362 struct clk_hw *hw_clk;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500363 void __iomem *base = data->base;
364 int i;
365
366 for (i = 0; i < nums; i++) {
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600367 hw_clk = s10_register_gate(&clks[i], base);
368 if (IS_ERR(hw_clk)) {
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500369 pr_err("%s: failed to register clock %s\n",
370 __func__, clks[i].name);
371 continue;
372 }
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600373 data->clk_data.hws[clks[i].id] = hw_clk;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500374 }
375
376 return 0;
377}
378
379static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks,
380 int nums, struct stratix10_clock_data *data)
381{
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600382 struct clk_hw *hw_clk;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500383 void __iomem *base = data->base;
384 int i;
385
386 for (i = 0; i < nums; i++) {
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600387 hw_clk = agilex_register_pll(&clks[i], base);
388 if (IS_ERR(hw_clk)) {
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500389 pr_err("%s: failed to register clock %s\n",
390 __func__, clks[i].name);
391 continue;
392 }
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600393 data->clk_data.hws[clks[i].id] = hw_clk;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500394 }
395
396 return 0;
397}
398
Dinh Nguyena0f98192021-02-12 08:30:59 -0600399static int n5x_clk_register_pll(const struct stratix10_pll_clock *clks,
400 int nums, struct stratix10_clock_data *data)
401{
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600402 struct clk_hw *hw_clk;
Dinh Nguyena0f98192021-02-12 08:30:59 -0600403 void __iomem *base = data->base;
404 int i;
405
406 for (i = 0; i < nums; i++) {
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600407 hw_clk = n5x_register_pll(&clks[i], base);
408 if (IS_ERR(hw_clk)) {
Dinh Nguyena0f98192021-02-12 08:30:59 -0600409 pr_err("%s: failed to register clock %s\n",
410 __func__, clks[i].name);
411 continue;
412 }
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600413 data->clk_data.hws[clks[i].id] = hw_clk;
Dinh Nguyena0f98192021-02-12 08:30:59 -0600414 }
415
416 return 0;
417}
418
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600419static int agilex_clkmgr_init(struct platform_device *pdev)
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500420{
421 struct device_node *np = pdev->dev.of_node;
422 struct device *dev = &pdev->dev;
423 struct stratix10_clock_data *clk_data;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500424 struct resource *res;
425 void __iomem *base;
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600426 int i, num_clks;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500427
428 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
429 base = devm_ioremap_resource(dev, res);
430 if (IS_ERR(base))
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600431 return PTR_ERR(base);
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500432
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600433 num_clks = AGILEX_NUM_CLKS;
434
435 clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
436 num_clks), GFP_KERNEL);
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500437 if (!clk_data)
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600438 return -ENOMEM;
439
440 for (i = 0; i < num_clks; i++)
441 clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500442
443 clk_data->base = base;
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600444 clk_data->clk_data.num = num_clks;
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500445
446 agilex_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
447
448 agilex_clk_register_c_perip(agilex_main_perip_c_clks,
449 ARRAY_SIZE(agilex_main_perip_c_clks), clk_data);
450
451 agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
452 ARRAY_SIZE(agilex_main_perip_cnt_clks),
453 clk_data);
454
455 agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
456 clk_data);
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600457 of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500458 return 0;
459}
460
Dinh Nguyena0f98192021-02-12 08:30:59 -0600461static int n5x_clkmgr_init(struct platform_device *pdev)
462{
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600463 struct device_node *np = pdev->dev.of_node;
464 struct device *dev = &pdev->dev;
Dinh Nguyena0f98192021-02-12 08:30:59 -0600465 struct stratix10_clock_data *clk_data;
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600466 struct resource *res;
467 void __iomem *base;
468 int i, num_clks;
Dinh Nguyena0f98192021-02-12 08:30:59 -0600469
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600470 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
471 base = devm_ioremap_resource(dev, res);
472 if (IS_ERR(base))
473 return PTR_ERR(base);
474
475 num_clks = AGILEX_NUM_CLKS;
476
477 clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
478 num_clks), GFP_KERNEL);
479 if (!clk_data)
480 return -ENOMEM;
481
482 for (i = 0; i < num_clks; i++)
483 clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
484
485 clk_data->base = base;
486 clk_data->clk_data.num = num_clks;
Dinh Nguyena0f98192021-02-12 08:30:59 -0600487
488 n5x_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
489
490 n5x_clk_register_c_perip(n5x_main_perip_c_clks,
491 ARRAY_SIZE(n5x_main_perip_c_clks), clk_data);
492
493 agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
494 ARRAY_SIZE(agilex_main_perip_cnt_clks),
495 clk_data);
496
497 agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
498 clk_data);
Dinh Nguyenba7e2582021-03-02 15:41:51 -0600499 of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
Dinh Nguyena0f98192021-02-12 08:30:59 -0600500 return 0;
501}
502
503static int agilex_clkmgr_probe(struct platform_device *pdev)
504{
505 int (*probe_func)(struct platform_device *init_func);
506
507 probe_func = of_device_get_match_data(&pdev->dev);
508 if (!probe_func)
509 return -ENODEV;
510 return probe_func(pdev);
511}
512
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500513static const struct of_device_id agilex_clkmgr_match_table[] = {
514 { .compatible = "intel,agilex-clkmgr",
Dinh Nguyena0f98192021-02-12 08:30:59 -0600515 .data = agilex_clkmgr_init },
516 { .compatible = "intel,easic-n5x-clkmgr",
517 .data = n5x_clkmgr_init },
Dinh Nguyen80c6b7a2020-05-12 13:16:47 -0500518 { }
519};
520
521static struct platform_driver agilex_clkmgr_driver = {
522 .probe = agilex_clkmgr_probe,
523 .driver = {
524 .name = "agilex-clkmgr",
525 .suppress_bind_attrs = true,
526 .of_match_table = agilex_clkmgr_match_table,
527 },
528};
529
530static int __init agilex_clk_init(void)
531{
532 return platform_driver_register(&agilex_clkmgr_driver);
533}
534core_initcall(agilex_clk_init);