xref: /linux/drivers/clk/qcom/gpucc-x1p42100.c (revision e814f3fd16acfb7f9966773953de8f740a1e3202)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
4  */
5 
6 #include <linux/clk-provider.h>
7 #include <linux/mod_devicetable.h>
8 #include <linux/module.h>
9 #include <linux/of.h>
10 #include <linux/platform_device.h>
11 #include <linux/pm_runtime.h>
12 #include <linux/regmap.h>
13 
14 #include <dt-bindings/clock/qcom,x1e80100-gpucc.h>
15 
16 #include "clk-alpha-pll.h"
17 #include "clk-branch.h"
18 #include "clk-pll.h"
19 #include "clk-rcg.h"
20 #include "clk-regmap.h"
21 #include "clk-regmap-divider.h"
22 #include "clk-regmap-mux.h"
23 #include "common.h"
24 #include "gdsc.h"
25 #include "reset.h"
26 
27 enum {
28 	DT_BI_TCXO,
29 	DT_GPLL0_OUT_MAIN,
30 	DT_GPLL0_OUT_MAIN_DIV,
31 };
32 
33 enum {
34 	P_BI_TCXO,
35 	P_GPLL0_OUT_MAIN,
36 	P_GPLL0_OUT_MAIN_DIV,
37 	P_GPU_CC_PLL0_OUT_MAIN,
38 	P_GPU_CC_PLL1_OUT_MAIN,
39 };
40 
41 static const struct pll_vco lucid_ole_vco[] = {
42 	{ 249600000, 2300000000, 0 },
43 };
44 
45 /* 560.0 MHz Configuration */
46 static const struct alpha_pll_config gpu_cc_pll0_config = {
47 	.l = 0x1d,
48 	.alpha = 0x2aaa,
49 	.config_ctl_val = 0x20485699,
50 	.config_ctl_hi_val = 0x00182261,
51 	.config_ctl_hi1_val = 0x82aa299c,
52 	.test_ctl_val = 0x00000000,
53 	.test_ctl_hi_val = 0x00000003,
54 	.test_ctl_hi1_val = 0x00009000,
55 	.test_ctl_hi2_val = 0x00000034,
56 	.user_ctl_val = 0x00000000,
57 	.user_ctl_hi_val = 0x00000005,
58 };
59 
60 static struct clk_alpha_pll gpu_cc_pll0 = {
61 	.offset = 0x0,
62 	.vco_table = lucid_ole_vco,
63 	.num_vco = ARRAY_SIZE(lucid_ole_vco),
64 	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE],
65 	.clkr = {
66 		.hw.init = &(const struct clk_init_data) {
67 			.name = "gpu_cc_pll0",
68 			.parent_data = &(const struct clk_parent_data) {
69 				.index = DT_BI_TCXO,
70 			},
71 			.num_parents = 1,
72 			.ops = &clk_alpha_pll_lucid_evo_ops,
73 		},
74 	},
75 };
76 
77 /* 440.0 MHz Configuration */
78 static const struct alpha_pll_config gpu_cc_pll1_config = {
79 	.l = 0x16,
80 	.alpha = 0xeaaa,
81 	.config_ctl_val = 0x20485699,
82 	.config_ctl_hi_val = 0x00182261,
83 	.config_ctl_hi1_val = 0x82aa299c,
84 	.test_ctl_val = 0x00000000,
85 	.test_ctl_hi_val = 0x00000003,
86 	.test_ctl_hi1_val = 0x00009000,
87 	.test_ctl_hi2_val = 0x00000034,
88 	.user_ctl_val = 0x00000000,
89 	.user_ctl_hi_val = 0x00000005,
90 };
91 
92 static struct clk_alpha_pll gpu_cc_pll1 = {
93 	.offset = 0x1000,
94 	.vco_table = lucid_ole_vco,
95 	.num_vco = ARRAY_SIZE(lucid_ole_vco),
96 	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE],
97 	.clkr = {
98 		.hw.init = &(const struct clk_init_data) {
99 			.name = "gpu_cc_pll1",
100 			.parent_data = &(const struct clk_parent_data) {
101 				.index = DT_BI_TCXO,
102 			},
103 			.num_parents = 1,
104 			.ops = &clk_alpha_pll_lucid_evo_ops,
105 		},
106 	},
107 };
108 
109 static const struct parent_map gpu_cc_parent_map_0[] = {
110 	{ P_BI_TCXO, 0 },
111 	{ P_GPLL0_OUT_MAIN, 5 },
112 	{ P_GPLL0_OUT_MAIN_DIV, 6 },
113 };
114 
115 static const struct clk_parent_data gpu_cc_parent_data_0[] = {
116 	{ .index = DT_BI_TCXO },
117 	{ .index = DT_GPLL0_OUT_MAIN },
118 	{ .index = DT_GPLL0_OUT_MAIN_DIV },
119 };
120 
121 static const struct parent_map gpu_cc_parent_map_1[] = {
122 	{ P_BI_TCXO, 0 },
123 	{ P_GPU_CC_PLL0_OUT_MAIN, 1 },
124 	{ P_GPU_CC_PLL1_OUT_MAIN, 3 },
125 	{ P_GPLL0_OUT_MAIN, 5 },
126 	{ P_GPLL0_OUT_MAIN_DIV, 6 },
127 };
128 
129 static const struct clk_parent_data gpu_cc_parent_data_1[] = {
130 	{ .index = DT_BI_TCXO },
131 	{ .hw = &gpu_cc_pll0.clkr.hw },
132 	{ .hw = &gpu_cc_pll1.clkr.hw },
133 	{ .index = DT_GPLL0_OUT_MAIN },
134 	{ .index = DT_GPLL0_OUT_MAIN_DIV },
135 };
136 
137 static const struct parent_map gpu_cc_parent_map_2[] = {
138 	{ P_BI_TCXO, 0 },
139 	{ P_GPU_CC_PLL1_OUT_MAIN, 3 },
140 	{ P_GPLL0_OUT_MAIN, 5 },
141 	{ P_GPLL0_OUT_MAIN_DIV, 6 },
142 };
143 
144 static const struct clk_parent_data gpu_cc_parent_data_2[] = {
145 	{ .index = DT_BI_TCXO },
146 	{ .hw = &gpu_cc_pll1.clkr.hw },
147 	{ .index = DT_GPLL0_OUT_MAIN },
148 	{ .index = DT_GPLL0_OUT_MAIN_DIV },
149 };
150 
151 static const struct freq_tbl ftbl_gpu_cc_ff_clk_src[] = {
152 	F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0),
153 	{ }
154 };
155 
156 static struct clk_rcg2 gpu_cc_ff_clk_src = {
157 	.cmd_rcgr = 0x9474,
158 	.mnd_width = 0,
159 	.hid_width = 5,
160 	.parent_map = gpu_cc_parent_map_0,
161 	.freq_tbl = ftbl_gpu_cc_ff_clk_src,
162 	.clkr.hw.init = &(const struct clk_init_data) {
163 		.name = "gpu_cc_ff_clk_src",
164 		.parent_data = gpu_cc_parent_data_0,
165 		.num_parents = ARRAY_SIZE(gpu_cc_parent_data_0),
166 		.flags = CLK_SET_RATE_PARENT,
167 		.ops = &clk_rcg2_shared_ops,
168 	},
169 };
170 
171 static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
172 	F(19200000, P_BI_TCXO, 1, 0, 0),
173 	F(220000000, P_GPU_CC_PLL1_OUT_MAIN, 2, 0, 0),
174 	F(550000000, P_GPU_CC_PLL1_OUT_MAIN, 2, 0, 0),
175 	{ }
176 };
177 
178 static struct clk_rcg2 gpu_cc_gmu_clk_src = {
179 	.cmd_rcgr = 0x9318,
180 	.mnd_width = 0,
181 	.hid_width = 5,
182 	.parent_map = gpu_cc_parent_map_1,
183 	.freq_tbl = ftbl_gpu_cc_gmu_clk_src,
184 	.clkr.hw.init = &(const struct clk_init_data) {
185 		.name = "gpu_cc_gmu_clk_src",
186 		.parent_data = gpu_cc_parent_data_1,
187 		.num_parents = ARRAY_SIZE(gpu_cc_parent_data_1),
188 		.flags = CLK_SET_RATE_PARENT,
189 		.ops = &clk_rcg2_shared_ops,
190 	},
191 };
192 
193 static struct clk_rcg2 gpu_cc_hub_clk_src = {
194 	.cmd_rcgr = 0x93ec,
195 	.mnd_width = 0,
196 	.hid_width = 5,
197 	.parent_map = gpu_cc_parent_map_2,
198 	.freq_tbl = ftbl_gpu_cc_ff_clk_src,
199 	.clkr.hw.init = &(const struct clk_init_data) {
200 		.name = "gpu_cc_hub_clk_src",
201 		.parent_data = gpu_cc_parent_data_2,
202 		.num_parents = ARRAY_SIZE(gpu_cc_parent_data_2),
203 		.flags = CLK_SET_RATE_PARENT,
204 		.ops = &clk_rcg2_shared_ops,
205 	},
206 };
207 
208 static struct clk_branch gpu_cc_ahb_clk = {
209 	.halt_reg = 0x911c,
210 	.halt_check = BRANCH_HALT_DELAY,
211 	.clkr = {
212 		.enable_reg = 0x911c,
213 		.enable_mask = BIT(0),
214 		.hw.init = &(const struct clk_init_data) {
215 			.name = "gpu_cc_ahb_clk",
216 			.parent_hws = (const struct clk_hw*[]) {
217 				&gpu_cc_hub_clk_src.clkr.hw,
218 			},
219 			.num_parents = 1,
220 			.flags = CLK_SET_RATE_PARENT,
221 			.ops = &clk_branch2_ops,
222 		},
223 	},
224 };
225 
226 static struct clk_branch gpu_cc_crc_ahb_clk = {
227 	.halt_reg = 0x9120,
228 	.halt_check = BRANCH_HALT_VOTED,
229 	.clkr = {
230 		.enable_reg = 0x9120,
231 		.enable_mask = BIT(0),
232 		.hw.init = &(const struct clk_init_data) {
233 			.name = "gpu_cc_crc_ahb_clk",
234 			.parent_hws = (const struct clk_hw*[]) {
235 				&gpu_cc_hub_clk_src.clkr.hw,
236 			},
237 			.num_parents = 1,
238 			.flags = CLK_SET_RATE_PARENT,
239 			.ops = &clk_branch2_ops,
240 		},
241 	},
242 };
243 
244 static struct clk_branch gpu_cc_cx_accu_shift_clk = {
245 	.halt_reg = 0x9480,
246 	.halt_check = BRANCH_HALT_VOTED,
247 	.clkr = {
248 		.enable_reg = 0x9480,
249 		.enable_mask = BIT(0),
250 		.hw.init = &(const struct clk_init_data) {
251 			.name = "gpu_cc_cx_accu_shift_clk",
252 			.ops = &clk_branch2_ops,
253 		},
254 	},
255 };
256 
257 static struct clk_branch gpu_cc_cx_ff_clk = {
258 	.halt_reg = 0x914c,
259 	.halt_check = BRANCH_HALT,
260 	.clkr = {
261 		.enable_reg = 0x914c,
262 		.enable_mask = BIT(0),
263 		.hw.init = &(const struct clk_init_data) {
264 			.name = "gpu_cc_cx_ff_clk",
265 			.parent_hws = (const struct clk_hw*[]) {
266 				&gpu_cc_ff_clk_src.clkr.hw,
267 			},
268 			.num_parents = 1,
269 			.flags = CLK_SET_RATE_PARENT,
270 			.ops = &clk_branch2_ops,
271 		},
272 	},
273 };
274 
275 static struct clk_branch gpu_cc_cx_gmu_clk = {
276 	.halt_reg = 0x913c,
277 	.halt_check = BRANCH_HALT_VOTED,
278 	.clkr = {
279 		.enable_reg = 0x913c,
280 		.enable_mask = BIT(0),
281 		.hw.init = &(const struct clk_init_data) {
282 			.name = "gpu_cc_cx_gmu_clk",
283 			.parent_hws = (const struct clk_hw*[]) {
284 				&gpu_cc_gmu_clk_src.clkr.hw,
285 			},
286 			.num_parents = 1,
287 			.flags = CLK_SET_RATE_PARENT,
288 			.ops = &clk_branch2_aon_ops,
289 		},
290 	},
291 };
292 
293 static struct clk_branch gpu_cc_cxo_clk = {
294 	.halt_reg = 0x9144,
295 	.halt_check = BRANCH_HALT,
296 	.clkr = {
297 		.enable_reg = 0x9144,
298 		.enable_mask = BIT(0),
299 		.hw.init = &(const struct clk_init_data) {
300 			.name = "gpu_cc_cxo_clk",
301 			.ops = &clk_branch2_ops,
302 		},
303 	},
304 };
305 
306 static struct clk_branch gpu_cc_freq_measure_clk = {
307 	.halt_reg = 0x9008,
308 	.halt_check = BRANCH_HALT,
309 	.clkr = {
310 		.enable_reg = 0x9008,
311 		.enable_mask = BIT(0),
312 		.hw.init = &(const struct clk_init_data) {
313 			.name = "gpu_cc_freq_measure_clk",
314 			.ops = &clk_branch2_ops,
315 		},
316 	},
317 };
318 
319 static struct clk_branch gpu_cc_gx_accu_shift_clk = {
320 	.halt_reg = 0x947c,
321 	.halt_check = BRANCH_HALT_VOTED,
322 	.clkr = {
323 		.enable_reg = 0x947c,
324 		.enable_mask = BIT(0),
325 		.hw.init = &(const struct clk_init_data) {
326 			.name = "gpu_cc_gx_accu_shift_clk",
327 			.ops = &clk_branch2_ops,
328 		},
329 	},
330 };
331 
332 static struct clk_branch gpu_cc_gx_gmu_clk = {
333 	.halt_reg = 0x90bc,
334 	.halt_check = BRANCH_HALT,
335 	.clkr = {
336 		.enable_reg = 0x90bc,
337 		.enable_mask = BIT(0),
338 		.hw.init = &(const struct clk_init_data) {
339 			.name = "gpu_cc_gx_gmu_clk",
340 			.parent_hws = (const struct clk_hw*[]) {
341 				&gpu_cc_gmu_clk_src.clkr.hw,
342 			},
343 			.num_parents = 1,
344 			.flags = CLK_SET_RATE_PARENT,
345 			.ops = &clk_branch2_ops,
346 		},
347 	},
348 };
349 
350 static struct clk_branch gpu_cc_gx_vsense_clk = {
351 	.halt_reg = 0x90b0,
352 	.halt_check = BRANCH_HALT_VOTED,
353 	.clkr = {
354 		.enable_reg = 0x90b0,
355 		.enable_mask = BIT(0),
356 		.hw.init = &(const struct clk_init_data) {
357 			.name = "gpu_cc_gx_vsense_clk",
358 			.ops = &clk_branch2_ops,
359 		},
360 	},
361 };
362 
363 static struct clk_branch gpu_cc_hub_aon_clk = {
364 	.halt_reg = 0x93e8,
365 	.halt_check = BRANCH_HALT,
366 	.clkr = {
367 		.enable_reg = 0x93e8,
368 		.enable_mask = BIT(0),
369 		.hw.init = &(const struct clk_init_data) {
370 			.name = "gpu_cc_hub_aon_clk",
371 			.parent_hws = (const struct clk_hw*[]) {
372 				&gpu_cc_hub_clk_src.clkr.hw,
373 			},
374 			.num_parents = 1,
375 			.flags = CLK_SET_RATE_PARENT,
376 			.ops = &clk_branch2_aon_ops,
377 		},
378 	},
379 };
380 
381 static struct clk_branch gpu_cc_hub_cx_int_clk = {
382 	.halt_reg = 0x9148,
383 	.halt_check = BRANCH_HALT_VOTED,
384 	.clkr = {
385 		.enable_reg = 0x9148,
386 		.enable_mask = BIT(0),
387 		.hw.init = &(const struct clk_init_data) {
388 			.name = "gpu_cc_hub_cx_int_clk",
389 			.parent_hws = (const struct clk_hw*[]) {
390 				&gpu_cc_hub_clk_src.clkr.hw,
391 			},
392 			.num_parents = 1,
393 			.flags = CLK_SET_RATE_PARENT,
394 			.ops = &clk_branch2_aon_ops,
395 		},
396 	},
397 };
398 
399 static struct clk_branch gpu_cc_memnoc_gfx_clk = {
400 	.halt_reg = 0x9150,
401 	.halt_check = BRANCH_HALT_VOTED,
402 	.clkr = {
403 		.enable_reg = 0x9150,
404 		.enable_mask = BIT(0),
405 		.hw.init = &(const struct clk_init_data) {
406 			.name = "gpu_cc_memnoc_gfx_clk",
407 			.ops = &clk_branch2_ops,
408 		},
409 	},
410 };
411 
412 static struct clk_branch gpu_cc_mnd1x_0_gfx3d_clk = {
413 	.halt_reg = 0x9288,
414 	.halt_check = BRANCH_HALT,
415 	.clkr = {
416 		.enable_reg = 0x9288,
417 		.enable_mask = BIT(0),
418 		.hw.init = &(const struct clk_init_data) {
419 			.name = "gpu_cc_mnd1x_0_gfx3d_clk",
420 			.ops = &clk_branch2_ops,
421 		},
422 	},
423 };
424 
425 static struct clk_branch gpu_cc_mnd1x_1_gfx3d_clk = {
426 	.halt_reg = 0x928c,
427 	.halt_check = BRANCH_HALT,
428 	.clkr = {
429 		.enable_reg = 0x928c,
430 		.enable_mask = BIT(0),
431 		.hw.init = &(const struct clk_init_data) {
432 			.name = "gpu_cc_mnd1x_1_gfx3d_clk",
433 			.ops = &clk_branch2_ops,
434 		},
435 	},
436 };
437 
438 static struct clk_branch gpu_cc_sleep_clk = {
439 	.halt_reg = 0x9134,
440 	.halt_check = BRANCH_HALT_VOTED,
441 	.clkr = {
442 		.enable_reg = 0x9134,
443 		.enable_mask = BIT(0),
444 		.hw.init = &(const struct clk_init_data) {
445 			.name = "gpu_cc_sleep_clk",
446 			.ops = &clk_branch2_ops,
447 		},
448 	},
449 };
450 
451 static struct gdsc gpu_cc_cx_gdsc = {
452 	.gdscr = 0x9108,
453 	.gds_hw_ctrl = 0x953c,
454 	.en_rest_wait_val = 0x2,
455 	.en_few_wait_val = 0x2,
456 	.clk_dis_wait_val = 0xf,
457 	.pd = {
458 		.name = "gpu_cc_cx_gdsc",
459 	},
460 	.pwrsts = PWRSTS_OFF_ON,
461 	.flags = POLL_CFG_GDSCR | RETAIN_FF_ENABLE,
462 };
463 
464 static struct gdsc gpu_cc_gx_gdsc = {
465 	.gdscr = 0x905c,
466 	.en_rest_wait_val = 0x2,
467 	.en_few_wait_val = 0x2,
468 	.clk_dis_wait_val = 0xf,
469 	.pd = {
470 		.name = "gpu_cc_gx_gdsc",
471 		.power_on = gdsc_gx_do_nothing_enable,
472 	},
473 	.pwrsts = PWRSTS_OFF_ON,
474 	.flags = CLAMP_IO | POLL_CFG_GDSCR | RETAIN_FF_ENABLE,
475 };
476 
477 static struct clk_regmap *gpu_cc_x1p42100_clocks[] = {
478 	[GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
479 	[GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr,
480 	[GPU_CC_CX_ACCU_SHIFT_CLK] = &gpu_cc_cx_accu_shift_clk.clkr,
481 	[GPU_CC_CX_FF_CLK] = &gpu_cc_cx_ff_clk.clkr,
482 	[GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
483 	[GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
484 	[GPU_CC_FF_CLK_SRC] = &gpu_cc_ff_clk_src.clkr,
485 	[GPU_CC_FREQ_MEASURE_CLK] = &gpu_cc_freq_measure_clk.clkr,
486 	[GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
487 	[GPU_CC_GX_ACCU_SHIFT_CLK] = &gpu_cc_gx_accu_shift_clk.clkr,
488 	[GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
489 	[GPU_CC_GX_VSENSE_CLK] = &gpu_cc_gx_vsense_clk.clkr,
490 	[GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
491 	[GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
492 	[GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
493 	[GPU_CC_MEMNOC_GFX_CLK] = &gpu_cc_memnoc_gfx_clk.clkr,
494 	[GPU_CC_MND1X_0_GFX3D_CLK] = &gpu_cc_mnd1x_0_gfx3d_clk.clkr,
495 	[GPU_CC_MND1X_1_GFX3D_CLK] = &gpu_cc_mnd1x_1_gfx3d_clk.clkr,
496 	[GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
497 	[GPU_CC_PLL1] = &gpu_cc_pll1.clkr,
498 	[GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr,
499 };
500 
501 static struct gdsc *gpu_cc_x1p42100_gdscs[] = {
502 	[GPU_CX_GDSC] = &gpu_cc_cx_gdsc,
503 	[GPU_GX_GDSC] = &gpu_cc_gx_gdsc,
504 };
505 
506 static const struct qcom_reset_map gpu_cc_x1p42100_resets[] = {
507 	[GPU_CC_ACD_BCR] = { 0x9358 },
508 	[GPU_CC_CB_BCR] = { 0x93a0 },
509 	[GPU_CC_CX_BCR] = { 0x9104 },
510 	[GPU_CC_FAST_HUB_BCR] = { 0x93e4 },
511 	[GPU_CC_FF_BCR] = { 0x9470 },
512 	[GPU_CC_GFX3D_AON_BCR] = { 0x9198 },
513 	[GPU_CC_GMU_BCR] = { 0x9314 },
514 	[GPU_CC_GX_BCR] = { 0x9058 },
515 	[GPU_CC_XO_BCR] = { 0x9000 },
516 };
517 
518 static const struct regmap_config gpu_cc_x1p42100_regmap_config = {
519 	.reg_bits = 32,
520 	.reg_stride = 4,
521 	.val_bits = 32,
522 	.max_register = 0x9988,
523 	.fast_io = true,
524 };
525 
526 static struct qcom_cc_desc gpu_cc_x1p42100_desc = {
527 	.config = &gpu_cc_x1p42100_regmap_config,
528 	.clks = gpu_cc_x1p42100_clocks,
529 	.num_clks = ARRAY_SIZE(gpu_cc_x1p42100_clocks),
530 	.resets = gpu_cc_x1p42100_resets,
531 	.num_resets = ARRAY_SIZE(gpu_cc_x1p42100_resets),
532 	.gdscs = gpu_cc_x1p42100_gdscs,
533 	.num_gdscs = ARRAY_SIZE(gpu_cc_x1p42100_gdscs),
534 };
535 
536 static const struct of_device_id gpu_cc_x1p42100_match_table[] = {
537 	{ .compatible = "qcom,x1p42100-gpucc" },
538 	{ }
539 };
540 MODULE_DEVICE_TABLE(of, gpu_cc_x1p42100_match_table);
541 
542 static int gpu_cc_x1p42100_probe(struct platform_device *pdev)
543 {
544 	struct regmap *regmap;
545 	int ret;
546 
547 	ret = devm_pm_runtime_enable(&pdev->dev);
548 	if (ret)
549 		return ret;
550 
551 	ret = pm_runtime_resume_and_get(&pdev->dev);
552 	if (ret)
553 		return ret;
554 
555 	regmap = qcom_cc_map(pdev, &gpu_cc_x1p42100_desc);
556 	if (IS_ERR(regmap)) {
557 		pm_runtime_put(&pdev->dev);
558 		return PTR_ERR(regmap);
559 	}
560 
561 	clk_lucid_ole_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config);
562 	clk_lucid_ole_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config);
563 
564 	/* Keep some clocks always enabled */
565 	qcom_branch_set_clk_en(regmap, 0x93a4); /* GPU_CC_CB_CLK */
566 	qcom_branch_set_clk_en(regmap, 0x9004); /* GPU_CC_CXO_AON_CLK */
567 	qcom_branch_set_clk_en(regmap, 0x900c); /* GPU_CC_DEMET_CLK */
568 
569 	ret = qcom_cc_really_probe(&pdev->dev, &gpu_cc_x1p42100_desc, regmap);
570 
571 	pm_runtime_put(&pdev->dev);
572 
573 	return ret;
574 }
575 
576 static struct platform_driver gpu_cc_x1p42100_driver = {
577 	.probe = gpu_cc_x1p42100_probe,
578 	.driver = {
579 		.name = "gpucc-x1p42100",
580 		.of_match_table = gpu_cc_x1p42100_match_table,
581 	},
582 };
583 
584 module_platform_driver(gpu_cc_x1p42100_driver);
585 
586 MODULE_DESCRIPTION("QTI GPUCC X1P42100 Driver");
587 MODULE_LICENSE("GPL");
588