1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
4 */
5
6 #include <linux/clk.h>
7 #include <linux/clk-provider.h>
8
9 #include "dsi_phy.h"
10 #include "dsi.xml.h"
11 #include "dsi_phy_28nm.xml.h"
12
13 /*
14 * DSI PLL 28nm - clock diagram (eg: DSI0):
15 *
16 * dsi0analog_postdiv_clk
17 * | dsi0indirect_path_div2_clk
18 * | |
19 * +------+ | +----+ | |\ dsi0byte_mux
20 * dsi0vco_clk --o--| DIV1 |--o--| /2 |--o--| \ |
21 * | +------+ +----+ | m| | +----+
22 * | | u|--o--| /4 |-- dsi0pllbyte
23 * | | x| +----+
24 * o--------------------------| /
25 * | |/
26 * | +------+
27 * o----------| DIV3 |------------------------- dsi0pll
28 * +------+
29 */
30
31 #define POLL_MAX_READS 10
32 #define POLL_TIMEOUT_US 50
33
34 #define VCO_REF_CLK_RATE 19200000
35 #define VCO_MIN_RATE 350000000
36 #define VCO_MAX_RATE 750000000
37
38 /* v2.0.0 28nm LP implementation */
39 #define DSI_PHY_28NM_QUIRK_PHY_LP BIT(0)
40 #define DSI_PHY_28NM_QUIRK_PHY_8226 BIT(1)
41
42 #define LPFR_LUT_SIZE 10
43 struct lpfr_cfg {
44 unsigned long vco_rate;
45 u32 resistance;
46 };
47
48 /* Loop filter resistance: */
49 static const struct lpfr_cfg lpfr_lut[LPFR_LUT_SIZE] = {
50 { 479500000, 8 },
51 { 480000000, 11 },
52 { 575500000, 8 },
53 { 576000000, 12 },
54 { 610500000, 8 },
55 { 659500000, 9 },
56 { 671500000, 10 },
57 { 672000000, 14 },
58 { 708500000, 10 },
59 { 750000000, 11 },
60 };
61
62 struct pll_28nm_cached_state {
63 unsigned long vco_rate;
64 u8 postdiv3;
65 u8 postdiv1;
66 u8 byte_mux;
67 };
68
69 struct dsi_pll_28nm {
70 struct clk_hw clk_hw;
71
72 struct msm_dsi_phy *phy;
73
74 struct pll_28nm_cached_state cached_state;
75 };
76
77 #define to_pll_28nm(x) container_of(x, struct dsi_pll_28nm, clk_hw)
78
pll_28nm_poll_for_ready(struct dsi_pll_28nm * pll_28nm,u32 nb_tries,u32 timeout_us)79 static bool pll_28nm_poll_for_ready(struct dsi_pll_28nm *pll_28nm,
80 u32 nb_tries, u32 timeout_us)
81 {
82 bool pll_locked = false;
83 u32 val;
84
85 while (nb_tries--) {
86 val = dsi_phy_read(pll_28nm->phy->pll_base + REG_DSI_28nm_PHY_PLL_STATUS);
87 pll_locked = !!(val & DSI_28nm_PHY_PLL_STATUS_PLL_RDY);
88
89 if (pll_locked)
90 break;
91
92 udelay(timeout_us);
93 }
94 DBG("DSI PLL is %slocked", pll_locked ? "" : "*not* ");
95
96 return pll_locked;
97 }
98
pll_28nm_software_reset(struct dsi_pll_28nm * pll_28nm)99 static void pll_28nm_software_reset(struct dsi_pll_28nm *pll_28nm)
100 {
101 void __iomem *base = pll_28nm->phy->pll_base;
102
103 /*
104 * Add HW recommended delays after toggling the software
105 * reset bit off and back on.
106 */
107 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_TEST_CFG,
108 DSI_28nm_PHY_PLL_TEST_CFG_PLL_SW_RESET, 1);
109 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_TEST_CFG, 0x00, 1);
110 }
111
112 /*
113 * Clock Callbacks
114 */
dsi_pll_28nm_clk_set_rate(struct clk_hw * hw,unsigned long rate,unsigned long parent_rate)115 static int dsi_pll_28nm_clk_set_rate(struct clk_hw *hw, unsigned long rate,
116 unsigned long parent_rate)
117 {
118 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
119 struct device *dev = &pll_28nm->phy->pdev->dev;
120 void __iomem *base = pll_28nm->phy->pll_base;
121 unsigned long div_fbx1000, gen_vco_clk;
122 u32 refclk_cfg, frac_n_mode, frac_n_value;
123 u32 sdm_cfg0, sdm_cfg1, sdm_cfg2, sdm_cfg3;
124 u32 cal_cfg10, cal_cfg11;
125 u32 rem;
126 int i;
127
128 VERB("rate=%lu, parent's=%lu", rate, parent_rate);
129
130 /* Force postdiv2 to be div-4 */
131 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV2_CFG, 3);
132
133 /* Configure the Loop filter resistance */
134 for (i = 0; i < LPFR_LUT_SIZE; i++)
135 if (rate <= lpfr_lut[i].vco_rate)
136 break;
137 if (i == LPFR_LUT_SIZE) {
138 DRM_DEV_ERROR(dev, "unable to get loop filter resistance. vco=%lu\n",
139 rate);
140 return -EINVAL;
141 }
142 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LPFR_CFG, lpfr_lut[i].resistance);
143
144 /* Loop filter capacitance values : c1 and c2 */
145 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LPFC1_CFG, 0x70);
146 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LPFC2_CFG, 0x15);
147
148 rem = rate % VCO_REF_CLK_RATE;
149 if (rem) {
150 refclk_cfg = DSI_28nm_PHY_PLL_REFCLK_CFG_DBLR;
151 frac_n_mode = 1;
152 div_fbx1000 = rate / (VCO_REF_CLK_RATE / 500);
153 gen_vco_clk = div_fbx1000 * (VCO_REF_CLK_RATE / 500);
154 } else {
155 refclk_cfg = 0x0;
156 frac_n_mode = 0;
157 div_fbx1000 = rate / (VCO_REF_CLK_RATE / 1000);
158 gen_vco_clk = div_fbx1000 * (VCO_REF_CLK_RATE / 1000);
159 }
160
161 DBG("refclk_cfg = %d", refclk_cfg);
162
163 rem = div_fbx1000 % 1000;
164 frac_n_value = (rem << 16) / 1000;
165
166 DBG("div_fb = %lu", div_fbx1000);
167 DBG("frac_n_value = %d", frac_n_value);
168
169 DBG("Generated VCO Clock: %lu", gen_vco_clk);
170 rem = 0;
171 sdm_cfg1 = dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1);
172 sdm_cfg1 &= ~DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET__MASK;
173 if (frac_n_mode) {
174 sdm_cfg0 = 0x0;
175 sdm_cfg0 |= DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV(0);
176 sdm_cfg1 |= DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET(
177 (u32)(((div_fbx1000 / 1000) & 0x3f) - 1));
178 sdm_cfg3 = frac_n_value >> 8;
179 sdm_cfg2 = frac_n_value & 0xff;
180 } else {
181 sdm_cfg0 = DSI_28nm_PHY_PLL_SDM_CFG0_BYP;
182 sdm_cfg0 |= DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV(
183 (u32)(((div_fbx1000 / 1000) & 0x3f) - 1));
184 sdm_cfg1 |= DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET(0);
185 sdm_cfg2 = 0;
186 sdm_cfg3 = 0;
187 }
188
189 DBG("sdm_cfg0=%d", sdm_cfg0);
190 DBG("sdm_cfg1=%d", sdm_cfg1);
191 DBG("sdm_cfg2=%d", sdm_cfg2);
192 DBG("sdm_cfg3=%d", sdm_cfg3);
193
194 cal_cfg11 = (u32)(gen_vco_clk / (256 * 1000000));
195 cal_cfg10 = (u32)((gen_vco_clk % (256 * 1000000)) / 1000000);
196 DBG("cal_cfg10=%d, cal_cfg11=%d", cal_cfg10, cal_cfg11);
197
198 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CHGPUMP_CFG, 0x02);
199 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG3, 0x2b);
200 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG4, 0x06);
201 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x0d);
202
203 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1, sdm_cfg1);
204 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG2,
205 DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0(sdm_cfg2));
206 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG3,
207 DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8(sdm_cfg3));
208 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG4, 0x00);
209
210 /* Add hardware recommended delay for correct PLL configuration */
211 if (pll_28nm->phy->cfg->quirks & DSI_PHY_28NM_QUIRK_PHY_LP)
212 udelay(1000);
213 else
214 udelay(1);
215
216 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_REFCLK_CFG, refclk_cfg);
217 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_PWRGEN_CFG, 0x00);
218 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_VCOLPF_CFG, 0x31);
219 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0, sdm_cfg0);
220 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG0, 0x12);
221 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG6, 0x30);
222 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG7, 0x00);
223 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG8, 0x60);
224 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG9, 0x00);
225 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG10, cal_cfg10 & 0xff);
226 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG11, cal_cfg11 & 0xff);
227 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_EFUSE_CFG, 0x20);
228
229 return 0;
230 }
231
dsi_pll_28nm_clk_is_enabled(struct clk_hw * hw)232 static int dsi_pll_28nm_clk_is_enabled(struct clk_hw *hw)
233 {
234 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
235
236 return pll_28nm_poll_for_ready(pll_28nm, POLL_MAX_READS,
237 POLL_TIMEOUT_US);
238 }
239
dsi_pll_28nm_clk_recalc_rate(struct clk_hw * hw,unsigned long parent_rate)240 static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw,
241 unsigned long parent_rate)
242 {
243 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
244 void __iomem *base = pll_28nm->phy->pll_base;
245 u32 sdm0, doubler, sdm_byp_div;
246 u32 sdm_dc_off, sdm_freq_seed, sdm2, sdm3;
247 u32 ref_clk = VCO_REF_CLK_RATE;
248 unsigned long vco_rate;
249
250 VERB("parent_rate=%lu", parent_rate);
251
252 /* Check to see if the ref clk doubler is enabled */
253 doubler = dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_REFCLK_CFG) &
254 DSI_28nm_PHY_PLL_REFCLK_CFG_DBLR;
255 ref_clk += (doubler * VCO_REF_CLK_RATE);
256
257 /* see if it is integer mode or sdm mode */
258 sdm0 = dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0);
259 if (sdm0 & DSI_28nm_PHY_PLL_SDM_CFG0_BYP) {
260 /* integer mode */
261 sdm_byp_div = FIELD(
262 dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0),
263 DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV) + 1;
264 vco_rate = ref_clk * sdm_byp_div;
265 } else {
266 /* sdm mode */
267 sdm_dc_off = FIELD(
268 dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1),
269 DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET);
270 DBG("sdm_dc_off = %d", sdm_dc_off);
271 sdm2 = FIELD(dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG2),
272 DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0);
273 sdm3 = FIELD(dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG3),
274 DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8);
275 sdm_freq_seed = (sdm3 << 8) | sdm2;
276 DBG("sdm_freq_seed = %d", sdm_freq_seed);
277
278 vco_rate = (ref_clk * (sdm_dc_off + 1)) +
279 mult_frac(ref_clk, sdm_freq_seed, BIT(16));
280 DBG("vco rate = %lu", vco_rate);
281 }
282
283 DBG("returning vco rate = %lu", vco_rate);
284
285 return vco_rate;
286 }
287
_dsi_pll_28nm_vco_prepare_hpm(struct dsi_pll_28nm * pll_28nm)288 static int _dsi_pll_28nm_vco_prepare_hpm(struct dsi_pll_28nm *pll_28nm)
289 {
290 struct device *dev = &pll_28nm->phy->pdev->dev;
291 void __iomem *base = pll_28nm->phy->pll_base;
292 u32 max_reads = 5, timeout_us = 100;
293 bool locked;
294 u32 val;
295 int i;
296
297 DBG("id=%d", pll_28nm->phy->id);
298
299 pll_28nm_software_reset(pll_28nm);
300
301 /*
302 * PLL power up sequence.
303 * Add necessary delays recommended by hardware.
304 */
305 val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B;
306 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 1);
307
308 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B;
309 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200);
310
311 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
312 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
313
314 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE;
315 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 600);
316
317 for (i = 0; i < 2; i++) {
318 /* DSI Uniphy lock detect setting */
319 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2,
320 0x0c, 100);
321 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x0d);
322
323 /* poll for PLL ready status */
324 locked = pll_28nm_poll_for_ready(pll_28nm, max_reads,
325 timeout_us);
326 if (locked)
327 break;
328
329 pll_28nm_software_reset(pll_28nm);
330
331 /*
332 * PLL power up sequence.
333 * Add necessary delays recommended by hardware.
334 */
335 val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B;
336 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 1);
337
338 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B;
339 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200);
340
341 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
342 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 250);
343
344 val &= ~DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
345 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200);
346
347 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
348 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
349
350 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE;
351 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 600);
352 }
353
354 if (unlikely(!locked))
355 DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
356 else
357 DBG("DSI PLL Lock success");
358
359 return locked ? 0 : -EINVAL;
360 }
361
dsi_pll_28nm_vco_prepare_hpm(struct clk_hw * hw)362 static int dsi_pll_28nm_vco_prepare_hpm(struct clk_hw *hw)
363 {
364 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
365 int i, ret;
366
367 if (unlikely(pll_28nm->phy->pll_on))
368 return 0;
369
370 for (i = 0; i < 3; i++) {
371 ret = _dsi_pll_28nm_vco_prepare_hpm(pll_28nm);
372 if (!ret) {
373 pll_28nm->phy->pll_on = true;
374 return 0;
375 }
376 }
377
378 return ret;
379 }
380
dsi_pll_28nm_vco_prepare_8226(struct clk_hw * hw)381 static int dsi_pll_28nm_vco_prepare_8226(struct clk_hw *hw)
382 {
383 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
384 struct device *dev = &pll_28nm->phy->pdev->dev;
385 void __iomem *base = pll_28nm->phy->pll_base;
386 u32 max_reads = 5, timeout_us = 100;
387 bool locked;
388 u32 val;
389 int i;
390
391 DBG("id=%d", pll_28nm->phy->id);
392
393 pll_28nm_software_reset(pll_28nm);
394
395 /*
396 * PLL power up sequence.
397 * Add necessary delays recommended by hardware.
398 */
399 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG1, 0x34);
400
401 val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B;
402 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200);
403
404 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B;
405 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200);
406
407 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
408 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE;
409 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 600);
410
411 for (i = 0; i < 7; i++) {
412 /* DSI Uniphy lock detect setting */
413 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x0d);
414 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2,
415 0x0c, 100);
416 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x0d);
417
418 /* poll for PLL ready status */
419 locked = pll_28nm_poll_for_ready(pll_28nm,
420 max_reads, timeout_us);
421 if (locked)
422 break;
423
424 pll_28nm_software_reset(pll_28nm);
425
426 /*
427 * PLL power up sequence.
428 * Add necessary delays recommended by hardware.
429 */
430 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_PWRGEN_CFG, 0x00, 50);
431
432 val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B;
433 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B;
434 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 100);
435
436 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
437 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE;
438 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 600);
439 }
440
441 if (unlikely(!locked))
442 DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
443 else
444 DBG("DSI PLL Lock success");
445
446 return locked ? 0 : -EINVAL;
447 }
448
dsi_pll_28nm_vco_prepare_lp(struct clk_hw * hw)449 static int dsi_pll_28nm_vco_prepare_lp(struct clk_hw *hw)
450 {
451 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
452 struct device *dev = &pll_28nm->phy->pdev->dev;
453 void __iomem *base = pll_28nm->phy->pll_base;
454 bool locked;
455 u32 max_reads = 10, timeout_us = 50;
456 u32 val;
457
458 DBG("id=%d", pll_28nm->phy->id);
459
460 if (unlikely(pll_28nm->phy->pll_on))
461 return 0;
462
463 pll_28nm_software_reset(pll_28nm);
464
465 /*
466 * PLL power up sequence.
467 * Add necessary delays recommended by hardware.
468 */
469 dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_CAL_CFG1, 0x34, 500);
470
471 val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B;
472 dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
473
474 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B;
475 dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
476
477 val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B |
478 DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE;
479 dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
480
481 /* DSI PLL toggle lock detect setting */
482 dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x04, 500);
483 dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x05, 512);
484
485 locked = pll_28nm_poll_for_ready(pll_28nm, max_reads, timeout_us);
486
487 if (unlikely(!locked)) {
488 DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
489 return -EINVAL;
490 }
491
492 DBG("DSI PLL lock success");
493 pll_28nm->phy->pll_on = true;
494
495 return 0;
496 }
497
dsi_pll_28nm_vco_unprepare(struct clk_hw * hw)498 static void dsi_pll_28nm_vco_unprepare(struct clk_hw *hw)
499 {
500 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
501
502 DBG("id=%d", pll_28nm->phy->id);
503
504 if (unlikely(!pll_28nm->phy->pll_on))
505 return;
506
507 dsi_phy_write(pll_28nm->phy->pll_base + REG_DSI_28nm_PHY_PLL_GLB_CFG, 0x00);
508
509 pll_28nm->phy->pll_on = false;
510 }
511
dsi_pll_28nm_clk_round_rate(struct clk_hw * hw,unsigned long rate,unsigned long * parent_rate)512 static long dsi_pll_28nm_clk_round_rate(struct clk_hw *hw,
513 unsigned long rate, unsigned long *parent_rate)
514 {
515 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
516
517 if (rate < pll_28nm->phy->cfg->min_pll_rate)
518 return pll_28nm->phy->cfg->min_pll_rate;
519 else if (rate > pll_28nm->phy->cfg->max_pll_rate)
520 return pll_28nm->phy->cfg->max_pll_rate;
521 else
522 return rate;
523 }
524
525 static const struct clk_ops clk_ops_dsi_pll_28nm_vco_hpm = {
526 .round_rate = dsi_pll_28nm_clk_round_rate,
527 .set_rate = dsi_pll_28nm_clk_set_rate,
528 .recalc_rate = dsi_pll_28nm_clk_recalc_rate,
529 .prepare = dsi_pll_28nm_vco_prepare_hpm,
530 .unprepare = dsi_pll_28nm_vco_unprepare,
531 .is_enabled = dsi_pll_28nm_clk_is_enabled,
532 };
533
534 static const struct clk_ops clk_ops_dsi_pll_28nm_vco_lp = {
535 .round_rate = dsi_pll_28nm_clk_round_rate,
536 .set_rate = dsi_pll_28nm_clk_set_rate,
537 .recalc_rate = dsi_pll_28nm_clk_recalc_rate,
538 .prepare = dsi_pll_28nm_vco_prepare_lp,
539 .unprepare = dsi_pll_28nm_vco_unprepare,
540 .is_enabled = dsi_pll_28nm_clk_is_enabled,
541 };
542
543 static const struct clk_ops clk_ops_dsi_pll_28nm_vco_8226 = {
544 .round_rate = dsi_pll_28nm_clk_round_rate,
545 .set_rate = dsi_pll_28nm_clk_set_rate,
546 .recalc_rate = dsi_pll_28nm_clk_recalc_rate,
547 .prepare = dsi_pll_28nm_vco_prepare_8226,
548 .unprepare = dsi_pll_28nm_vco_unprepare,
549 .is_enabled = dsi_pll_28nm_clk_is_enabled,
550 };
551
552 /*
553 * PLL Callbacks
554 */
555
dsi_28nm_pll_save_state(struct msm_dsi_phy * phy)556 static void dsi_28nm_pll_save_state(struct msm_dsi_phy *phy)
557 {
558 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
559 struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
560 void __iomem *base = pll_28nm->phy->pll_base;
561
562 cached_state->postdiv3 =
563 dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG);
564 cached_state->postdiv1 =
565 dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG);
566 cached_state->byte_mux = dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_VREG_CFG);
567 if (dsi_pll_28nm_clk_is_enabled(phy->vco_hw))
568 cached_state->vco_rate = clk_hw_get_rate(phy->vco_hw);
569 else
570 cached_state->vco_rate = 0;
571 }
572
dsi_28nm_pll_restore_state(struct msm_dsi_phy * phy)573 static int dsi_28nm_pll_restore_state(struct msm_dsi_phy *phy)
574 {
575 struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
576 struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
577 void __iomem *base = pll_28nm->phy->pll_base;
578 int ret;
579
580 ret = dsi_pll_28nm_clk_set_rate(phy->vco_hw,
581 cached_state->vco_rate, 0);
582 if (ret) {
583 DRM_DEV_ERROR(&pll_28nm->phy->pdev->dev,
584 "restore vco rate failed. ret=%d\n", ret);
585 return ret;
586 }
587
588 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG,
589 cached_state->postdiv3);
590 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG,
591 cached_state->postdiv1);
592 dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_VREG_CFG,
593 cached_state->byte_mux);
594
595 return 0;
596 }
597
pll_28nm_register(struct dsi_pll_28nm * pll_28nm,struct clk_hw ** provided_clocks)598 static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **provided_clocks)
599 {
600 char clk_name[32];
601 struct clk_init_data vco_init = {
602 .parent_data = &(const struct clk_parent_data) {
603 .fw_name = "ref", .name = "xo",
604 },
605 .num_parents = 1,
606 .name = clk_name,
607 .flags = CLK_IGNORE_UNUSED,
608 };
609 struct device *dev = &pll_28nm->phy->pdev->dev;
610 struct clk_hw *hw, *analog_postdiv, *indirect_path_div2, *byte_mux;
611 int ret;
612
613 DBG("%d", pll_28nm->phy->id);
614
615 if (pll_28nm->phy->cfg->quirks & DSI_PHY_28NM_QUIRK_PHY_LP)
616 vco_init.ops = &clk_ops_dsi_pll_28nm_vco_lp;
617 else if (pll_28nm->phy->cfg->quirks & DSI_PHY_28NM_QUIRK_PHY_8226)
618 vco_init.ops = &clk_ops_dsi_pll_28nm_vco_8226;
619 else
620 vco_init.ops = &clk_ops_dsi_pll_28nm_vco_hpm;
621
622 snprintf(clk_name, sizeof(clk_name), "dsi%dvco_clk", pll_28nm->phy->id);
623 pll_28nm->clk_hw.init = &vco_init;
624 ret = devm_clk_hw_register(dev, &pll_28nm->clk_hw);
625 if (ret)
626 return ret;
627
628 snprintf(clk_name, sizeof(clk_name), "dsi%danalog_postdiv_clk", pll_28nm->phy->id);
629 analog_postdiv = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
630 &pll_28nm->clk_hw, CLK_SET_RATE_PARENT,
631 pll_28nm->phy->pll_base +
632 REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG,
633 0, 4, 0, NULL);
634 if (IS_ERR(analog_postdiv))
635 return PTR_ERR(analog_postdiv);
636
637 snprintf(clk_name, sizeof(clk_name), "dsi%dindirect_path_div2_clk", pll_28nm->phy->id);
638 indirect_path_div2 = devm_clk_hw_register_fixed_factor_parent_hw(dev,
639 clk_name, analog_postdiv, CLK_SET_RATE_PARENT, 1, 2);
640 if (IS_ERR(indirect_path_div2))
641 return PTR_ERR(indirect_path_div2);
642
643 snprintf(clk_name, sizeof(clk_name), "dsi%dpll", pll_28nm->phy->id);
644 hw = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
645 &pll_28nm->clk_hw, 0, pll_28nm->phy->pll_base +
646 REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG,
647 0, 8, 0, NULL);
648 if (IS_ERR(hw))
649 return PTR_ERR(hw);
650 provided_clocks[DSI_PIXEL_PLL_CLK] = hw;
651
652 snprintf(clk_name, sizeof(clk_name), "dsi%dbyte_mux", pll_28nm->phy->id);
653 byte_mux = devm_clk_hw_register_mux_parent_hws(dev, clk_name,
654 ((const struct clk_hw *[]){
655 &pll_28nm->clk_hw,
656 indirect_path_div2,
657 }), 2, CLK_SET_RATE_PARENT, pll_28nm->phy->pll_base +
658 REG_DSI_28nm_PHY_PLL_VREG_CFG, 1, 1, 0, NULL);
659 if (IS_ERR(byte_mux))
660 return PTR_ERR(byte_mux);
661
662 snprintf(clk_name, sizeof(clk_name), "dsi%dpllbyte", pll_28nm->phy->id);
663 hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, clk_name,
664 byte_mux, CLK_SET_RATE_PARENT, 1, 4);
665 if (IS_ERR(hw))
666 return PTR_ERR(hw);
667 provided_clocks[DSI_BYTE_PLL_CLK] = hw;
668
669 return 0;
670 }
671
dsi_pll_28nm_init(struct msm_dsi_phy * phy)672 static int dsi_pll_28nm_init(struct msm_dsi_phy *phy)
673 {
674 struct platform_device *pdev = phy->pdev;
675 struct dsi_pll_28nm *pll_28nm;
676 int ret;
677
678 if (!pdev)
679 return -ENODEV;
680
681 pll_28nm = devm_kzalloc(&pdev->dev, sizeof(*pll_28nm), GFP_KERNEL);
682 if (!pll_28nm)
683 return -ENOMEM;
684
685 pll_28nm->phy = phy;
686
687 ret = pll_28nm_register(pll_28nm, phy->provided_clocks->hws);
688 if (ret) {
689 DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret);
690 return ret;
691 }
692
693 phy->vco_hw = &pll_28nm->clk_hw;
694
695 return 0;
696 }
697
dsi_28nm_dphy_set_timing(struct msm_dsi_phy * phy,struct msm_dsi_dphy_timing * timing)698 static void dsi_28nm_dphy_set_timing(struct msm_dsi_phy *phy,
699 struct msm_dsi_dphy_timing *timing)
700 {
701 void __iomem *base = phy->base;
702
703 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_0,
704 DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero));
705 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_1,
706 DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail));
707 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_2,
708 DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare));
709 if (timing->clk_zero & BIT(8))
710 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_3,
711 DSI_28nm_PHY_TIMING_CTRL_3_CLK_ZERO_8);
712 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_4,
713 DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit));
714 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_5,
715 DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero));
716 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_6,
717 DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare));
718 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_7,
719 DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail));
720 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_8,
721 DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst));
722 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_9,
723 DSI_28nm_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) |
724 DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure));
725 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_10,
726 DSI_28nm_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get));
727 dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_11,
728 DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0));
729 }
730
dsi_28nm_phy_regulator_enable_dcdc(struct msm_dsi_phy * phy)731 static void dsi_28nm_phy_regulator_enable_dcdc(struct msm_dsi_phy *phy)
732 {
733 void __iomem *base = phy->reg_base;
734
735 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
736 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 1);
737 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0);
738 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0);
739 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x3);
740 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x9);
741 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x7);
742 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
743 dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x00);
744 }
745
dsi_28nm_phy_regulator_enable_ldo(struct msm_dsi_phy * phy)746 static void dsi_28nm_phy_regulator_enable_ldo(struct msm_dsi_phy *phy)
747 {
748 void __iomem *base = phy->reg_base;
749
750 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
751 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
752 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0x7);
753 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0);
754 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x1);
755 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x1);
756 dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
757
758 if (phy->cfg->quirks & DSI_PHY_28NM_QUIRK_PHY_LP)
759 dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x05);
760 else
761 dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x0d);
762 }
763
dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy * phy,bool enable)764 static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
765 {
766 if (!enable) {
767 dsi_phy_write(phy->reg_base +
768 REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
769 return;
770 }
771
772 if (phy->regulator_ldo_mode)
773 dsi_28nm_phy_regulator_enable_ldo(phy);
774 else
775 dsi_28nm_phy_regulator_enable_dcdc(phy);
776 }
777
dsi_28nm_phy_enable(struct msm_dsi_phy * phy,struct msm_dsi_phy_clk_request * clk_req)778 static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy,
779 struct msm_dsi_phy_clk_request *clk_req)
780 {
781 struct msm_dsi_dphy_timing *timing = &phy->timing;
782 int i;
783 void __iomem *base = phy->base;
784 u32 val;
785
786 DBG("");
787
788 if (msm_dsi_dphy_timing_calc(timing, clk_req)) {
789 DRM_DEV_ERROR(&phy->pdev->dev,
790 "%s: D-PHY timing calculation failed\n",
791 __func__);
792 return -EINVAL;
793 }
794
795 dsi_phy_write(base + REG_DSI_28nm_PHY_STRENGTH_0, 0xff);
796
797 dsi_28nm_phy_regulator_ctrl(phy, true);
798
799 dsi_28nm_dphy_set_timing(phy, timing);
800
801 dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_1, 0x00);
802 dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f);
803
804 dsi_phy_write(base + REG_DSI_28nm_PHY_STRENGTH_1, 0x6);
805
806 for (i = 0; i < 4; i++) {
807 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_0(i), 0);
808 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_1(i), 0);
809 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_2(i), 0);
810 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_3(i), 0);
811 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(i), 0);
812 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_DATAPATH(i), 0);
813 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_DEBUG_SEL(i), 0);
814 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_0(i), 0x1);
815 dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_1(i), 0x97);
816 }
817
818 dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_4, 0);
819 dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_1, 0xc0);
820 dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR0, 0x1);
821 dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR1, 0xbb);
822
823 dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f);
824
825 val = dsi_phy_read(base + REG_DSI_28nm_PHY_GLBL_TEST_CTRL);
826 if (phy->id == DSI_1 && phy->usecase == MSM_DSI_PHY_SLAVE)
827 val &= ~DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
828 else
829 val |= DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
830 dsi_phy_write(base + REG_DSI_28nm_PHY_GLBL_TEST_CTRL, val);
831
832 return 0;
833 }
834
dsi_28nm_phy_disable(struct msm_dsi_phy * phy)835 static void dsi_28nm_phy_disable(struct msm_dsi_phy *phy)
836 {
837 dsi_phy_write(phy->base + REG_DSI_28nm_PHY_CTRL_0, 0);
838 dsi_28nm_phy_regulator_ctrl(phy, false);
839
840 /*
841 * Wait for the registers writes to complete in order to
842 * ensure that the phy is completely disabled
843 */
844 wmb();
845 }
846
847 static const struct regulator_bulk_data dsi_phy_28nm_regulators[] = {
848 { .supply = "vddio", .init_load_uA = 100000 },
849 };
850
851 const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
852 .has_phy_regulator = true,
853 .regulator_data = dsi_phy_28nm_regulators,
854 .num_regulators = ARRAY_SIZE(dsi_phy_28nm_regulators),
855 .ops = {
856 .enable = dsi_28nm_phy_enable,
857 .disable = dsi_28nm_phy_disable,
858 .pll_init = dsi_pll_28nm_init,
859 .save_pll_state = dsi_28nm_pll_save_state,
860 .restore_pll_state = dsi_28nm_pll_restore_state,
861 },
862 .min_pll_rate = VCO_MIN_RATE,
863 .max_pll_rate = VCO_MAX_RATE,
864 .io_start = { 0xfd922b00, 0xfd923100 },
865 .num_dsi_phy = 2,
866 };
867
868 const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = {
869 .has_phy_regulator = true,
870 .regulator_data = dsi_phy_28nm_regulators,
871 .num_regulators = ARRAY_SIZE(dsi_phy_28nm_regulators),
872 .ops = {
873 .enable = dsi_28nm_phy_enable,
874 .disable = dsi_28nm_phy_disable,
875 .pll_init = dsi_pll_28nm_init,
876 .save_pll_state = dsi_28nm_pll_save_state,
877 .restore_pll_state = dsi_28nm_pll_restore_state,
878 },
879 .min_pll_rate = VCO_MIN_RATE,
880 .max_pll_rate = VCO_MAX_RATE,
881 .io_start = { 0x1a94400, 0x1a96400 },
882 .num_dsi_phy = 2,
883 };
884
885 const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
886 .has_phy_regulator = true,
887 .regulator_data = dsi_phy_28nm_regulators,
888 .num_regulators = ARRAY_SIZE(dsi_phy_28nm_regulators),
889 .ops = {
890 .enable = dsi_28nm_phy_enable,
891 .disable = dsi_28nm_phy_disable,
892 .pll_init = dsi_pll_28nm_init,
893 .save_pll_state = dsi_28nm_pll_save_state,
894 .restore_pll_state = dsi_28nm_pll_restore_state,
895 },
896 .min_pll_rate = VCO_MIN_RATE,
897 .max_pll_rate = VCO_MAX_RATE,
898 .io_start = { 0x1a98500 },
899 .num_dsi_phy = 1,
900 .quirks = DSI_PHY_28NM_QUIRK_PHY_LP,
901 };
902
903 const struct msm_dsi_phy_cfg dsi_phy_28nm_8226_cfgs = {
904 .has_phy_regulator = true,
905 .regulator_data = dsi_phy_28nm_regulators,
906 .num_regulators = ARRAY_SIZE(dsi_phy_28nm_regulators),
907 .ops = {
908 .enable = dsi_28nm_phy_enable,
909 .disable = dsi_28nm_phy_disable,
910 .pll_init = dsi_pll_28nm_init,
911 .save_pll_state = dsi_28nm_pll_save_state,
912 .restore_pll_state = dsi_28nm_pll_restore_state,
913 },
914 .min_pll_rate = VCO_MIN_RATE,
915 .max_pll_rate = VCO_MAX_RATE,
916 .io_start = { 0xfd922b00 },
917 .num_dsi_phy = 1,
918 .quirks = DSI_PHY_28NM_QUIRK_PHY_8226,
919 };
920
