xref: /openbmc/linux/drivers/clk/tegra/clk-pll.c (revision bc7b34a2)
1 /*
2  * Copyright (c) 2012, 2013, NVIDIA CORPORATION.  All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 #include <linux/slab.h>
18 #include <linux/io.h>
19 #include <linux/delay.h>
20 #include <linux/err.h>
21 #include <linux/clk.h>
22 #include <linux/clk-provider.h>
23 
24 #include "clk.h"
25 
26 #define PLL_BASE_BYPASS BIT(31)
27 #define PLL_BASE_ENABLE BIT(30)
28 #define PLL_BASE_REF_ENABLE BIT(29)
29 #define PLL_BASE_OVERRIDE BIT(28)
30 
31 #define PLL_BASE_DIVP_SHIFT 20
32 #define PLL_BASE_DIVP_WIDTH 3
33 #define PLL_BASE_DIVN_SHIFT 8
34 #define PLL_BASE_DIVN_WIDTH 10
35 #define PLL_BASE_DIVM_SHIFT 0
36 #define PLL_BASE_DIVM_WIDTH 5
37 #define PLLU_POST_DIVP_MASK 0x1
38 
39 #define PLL_MISC_DCCON_SHIFT 20
40 #define PLL_MISC_CPCON_SHIFT 8
41 #define PLL_MISC_CPCON_WIDTH 4
42 #define PLL_MISC_CPCON_MASK ((1 << PLL_MISC_CPCON_WIDTH) - 1)
43 #define PLL_MISC_LFCON_SHIFT 4
44 #define PLL_MISC_LFCON_WIDTH 4
45 #define PLL_MISC_LFCON_MASK ((1 << PLL_MISC_LFCON_WIDTH) - 1)
46 #define PLL_MISC_VCOCON_SHIFT 0
47 #define PLL_MISC_VCOCON_WIDTH 4
48 #define PLL_MISC_VCOCON_MASK ((1 << PLL_MISC_VCOCON_WIDTH) - 1)
49 
50 #define OUT_OF_TABLE_CPCON 8
51 
52 #define PMC_PLLP_WB0_OVERRIDE 0xf8
53 #define PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE BIT(12)
54 #define PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE BIT(11)
55 
56 #define PLL_POST_LOCK_DELAY 50
57 
58 #define PLLDU_LFCON_SET_DIVN 600
59 
60 #define PLLE_BASE_DIVCML_SHIFT 24
61 #define PLLE_BASE_DIVCML_MASK 0xf
62 #define PLLE_BASE_DIVP_SHIFT 16
63 #define PLLE_BASE_DIVP_WIDTH 6
64 #define PLLE_BASE_DIVN_SHIFT 8
65 #define PLLE_BASE_DIVN_WIDTH 8
66 #define PLLE_BASE_DIVM_SHIFT 0
67 #define PLLE_BASE_DIVM_WIDTH 8
68 #define PLLE_BASE_ENABLE BIT(31)
69 
70 #define PLLE_MISC_SETUP_BASE_SHIFT 16
71 #define PLLE_MISC_SETUP_BASE_MASK (0xffff << PLLE_MISC_SETUP_BASE_SHIFT)
72 #define PLLE_MISC_LOCK_ENABLE BIT(9)
73 #define PLLE_MISC_READY BIT(15)
74 #define PLLE_MISC_SETUP_EX_SHIFT 2
75 #define PLLE_MISC_SETUP_EX_MASK (3 << PLLE_MISC_SETUP_EX_SHIFT)
76 #define PLLE_MISC_SETUP_MASK (PLLE_MISC_SETUP_BASE_MASK |	\
77 			      PLLE_MISC_SETUP_EX_MASK)
78 #define PLLE_MISC_SETUP_VALUE (7 << PLLE_MISC_SETUP_BASE_SHIFT)
79 
80 #define PLLE_SS_CTRL 0x68
81 #define PLLE_SS_CNTL_BYPASS_SS BIT(10)
82 #define PLLE_SS_CNTL_INTERP_RESET BIT(11)
83 #define PLLE_SS_CNTL_SSC_BYP BIT(12)
84 #define PLLE_SS_CNTL_CENTER BIT(14)
85 #define PLLE_SS_CNTL_INVERT BIT(15)
86 #define PLLE_SS_DISABLE (PLLE_SS_CNTL_BYPASS_SS | PLLE_SS_CNTL_INTERP_RESET |\
87 				PLLE_SS_CNTL_SSC_BYP)
88 #define PLLE_SS_MAX_MASK 0x1ff
89 #define PLLE_SS_MAX_VAL_TEGRA114 0x25
90 #define PLLE_SS_MAX_VAL_TEGRA210 0x21
91 #define PLLE_SS_INC_MASK (0xff << 16)
92 #define PLLE_SS_INC_VAL (0x1 << 16)
93 #define PLLE_SS_INCINTRV_MASK (0x3f << 24)
94 #define PLLE_SS_INCINTRV_VAL_TEGRA114 (0x20 << 24)
95 #define PLLE_SS_INCINTRV_VAL_TEGRA210 (0x23 << 24)
96 #define PLLE_SS_COEFFICIENTS_MASK \
97 	(PLLE_SS_MAX_MASK | PLLE_SS_INC_MASK | PLLE_SS_INCINTRV_MASK)
98 #define PLLE_SS_COEFFICIENTS_VAL_TEGRA114 \
99 	(PLLE_SS_MAX_VAL_TEGRA114 | PLLE_SS_INC_VAL |\
100 	 PLLE_SS_INCINTRV_VAL_TEGRA114)
101 #define PLLE_SS_COEFFICIENTS_VAL_TEGRA210 \
102 	(PLLE_SS_MAX_VAL_TEGRA210 | PLLE_SS_INC_VAL |\
103 	 PLLE_SS_INCINTRV_VAL_TEGRA210)
104 
105 #define PLLE_AUX_PLLP_SEL	BIT(2)
106 #define PLLE_AUX_USE_LOCKDET	BIT(3)
107 #define PLLE_AUX_ENABLE_SWCTL	BIT(4)
108 #define PLLE_AUX_SS_SWCTL	BIT(6)
109 #define PLLE_AUX_SEQ_ENABLE	BIT(24)
110 #define PLLE_AUX_SEQ_START_STATE BIT(25)
111 #define PLLE_AUX_PLLRE_SEL	BIT(28)
112 #define PLLE_AUX_SS_SEQ_INCLUDE	BIT(31)
113 
114 #define XUSBIO_PLL_CFG0		0x51c
115 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
116 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL	BIT(2)
117 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(6)
118 #define XUSBIO_PLL_CFG0_SEQ_ENABLE		BIT(24)
119 #define XUSBIO_PLL_CFG0_SEQ_START_STATE		BIT(25)
120 
121 #define SATA_PLL_CFG0		0x490
122 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
123 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(2)
124 #define SATA_PLL_CFG0_SEQ_ENABLE		BIT(24)
125 #define SATA_PLL_CFG0_SEQ_START_STATE		BIT(25)
126 
127 #define PLLE_MISC_PLLE_PTS	BIT(8)
128 #define PLLE_MISC_IDDQ_SW_VALUE	BIT(13)
129 #define PLLE_MISC_IDDQ_SW_CTRL	BIT(14)
130 #define PLLE_MISC_VREG_BG_CTRL_SHIFT	4
131 #define PLLE_MISC_VREG_BG_CTRL_MASK	(3 << PLLE_MISC_VREG_BG_CTRL_SHIFT)
132 #define PLLE_MISC_VREG_CTRL_SHIFT	2
133 #define PLLE_MISC_VREG_CTRL_MASK	(2 << PLLE_MISC_VREG_CTRL_SHIFT)
134 
135 #define PLLCX_MISC_STROBE	BIT(31)
136 #define PLLCX_MISC_RESET	BIT(30)
137 #define PLLCX_MISC_SDM_DIV_SHIFT 28
138 #define PLLCX_MISC_SDM_DIV_MASK (0x3 << PLLCX_MISC_SDM_DIV_SHIFT)
139 #define PLLCX_MISC_FILT_DIV_SHIFT 26
140 #define PLLCX_MISC_FILT_DIV_MASK (0x3 << PLLCX_MISC_FILT_DIV_SHIFT)
141 #define PLLCX_MISC_ALPHA_SHIFT 18
142 #define PLLCX_MISC_DIV_LOW_RANGE \
143 		((0x1 << PLLCX_MISC_SDM_DIV_SHIFT) | \
144 		(0x1 << PLLCX_MISC_FILT_DIV_SHIFT))
145 #define PLLCX_MISC_DIV_HIGH_RANGE \
146 		((0x2 << PLLCX_MISC_SDM_DIV_SHIFT) | \
147 		(0x2 << PLLCX_MISC_FILT_DIV_SHIFT))
148 #define PLLCX_MISC_COEF_LOW_RANGE \
149 		((0x14 << PLLCX_MISC_KA_SHIFT) | (0x38 << PLLCX_MISC_KB_SHIFT))
150 #define PLLCX_MISC_KA_SHIFT 2
151 #define PLLCX_MISC_KB_SHIFT 9
152 #define PLLCX_MISC_DEFAULT (PLLCX_MISC_COEF_LOW_RANGE | \
153 			    (0x19 << PLLCX_MISC_ALPHA_SHIFT) | \
154 			    PLLCX_MISC_DIV_LOW_RANGE | \
155 			    PLLCX_MISC_RESET)
156 #define PLLCX_MISC1_DEFAULT 0x000d2308
157 #define PLLCX_MISC2_DEFAULT 0x30211200
158 #define PLLCX_MISC3_DEFAULT 0x200
159 
160 #define PMC_SATA_PWRGT 0x1ac
161 #define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE BIT(5)
162 #define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL BIT(4)
163 
164 #define PLLSS_MISC_KCP		0
165 #define PLLSS_MISC_KVCO		0
166 #define PLLSS_MISC_SETUP	0
167 #define PLLSS_EN_SDM		0
168 #define PLLSS_EN_SSC		0
169 #define PLLSS_EN_DITHER2	0
170 #define PLLSS_EN_DITHER		1
171 #define PLLSS_SDM_RESET		0
172 #define PLLSS_CLAMP		0
173 #define PLLSS_SDM_SSC_MAX	0
174 #define PLLSS_SDM_SSC_MIN	0
175 #define PLLSS_SDM_SSC_STEP	0
176 #define PLLSS_SDM_DIN		0
177 #define PLLSS_MISC_DEFAULT ((PLLSS_MISC_KCP << 25) | \
178 			    (PLLSS_MISC_KVCO << 24) | \
179 			    PLLSS_MISC_SETUP)
180 #define PLLSS_CFG_DEFAULT ((PLLSS_EN_SDM << 31) | \
181 			   (PLLSS_EN_SSC << 30) | \
182 			   (PLLSS_EN_DITHER2 << 29) | \
183 			   (PLLSS_EN_DITHER << 28) | \
184 			   (PLLSS_SDM_RESET) << 27 | \
185 			   (PLLSS_CLAMP << 22))
186 #define PLLSS_CTRL1_DEFAULT \
187 			((PLLSS_SDM_SSC_MAX << 16) | PLLSS_SDM_SSC_MIN)
188 #define PLLSS_CTRL2_DEFAULT \
189 			((PLLSS_SDM_SSC_STEP << 16) | PLLSS_SDM_DIN)
190 #define PLLSS_LOCK_OVERRIDE	BIT(24)
191 #define PLLSS_REF_SRC_SEL_SHIFT	25
192 #define PLLSS_REF_SRC_SEL_MASK	(3 << PLLSS_REF_SRC_SEL_SHIFT)
193 
194 #define UTMIP_PLL_CFG1 0x484
195 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
196 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
197 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
198 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
199 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
200 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
201 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
202 
203 #define UTMIP_PLL_CFG2 0x488
204 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
205 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
206 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
207 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
208 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
209 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
210 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
211 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
212 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
213 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
214 #define UTMIP_PLL_CFG2_PHY_XTAL_CLOCKEN BIT(30)
215 
216 #define UTMIPLL_HW_PWRDN_CFG0 0x52c
217 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
218 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
219 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
220 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
221 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
222 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
223 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
224 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
225 
226 #define PLLU_HW_PWRDN_CFG0 0x530
227 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
228 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
229 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
230 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
231 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
232 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
233 
234 #define XUSB_PLL_CFG0 0x534
235 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
236 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY (0x3ff << 14)
237 
238 #define PLLU_BASE_CLKENABLE_USB BIT(21)
239 #define PLLU_BASE_OVERRIDE BIT(24)
240 
241 #define pll_readl(offset, p) readl_relaxed(p->clk_base + offset)
242 #define pll_readl_base(p) pll_readl(p->params->base_reg, p)
243 #define pll_readl_misc(p) pll_readl(p->params->misc_reg, p)
244 #define pll_override_readl(offset, p) readl_relaxed(p->pmc + offset)
245 #define pll_readl_sdm_din(p) pll_readl(p->params->sdm_din_reg, p)
246 #define pll_readl_sdm_ctrl(p) pll_readl(p->params->sdm_ctrl_reg, p)
247 
248 #define pll_writel(val, offset, p) writel_relaxed(val, p->clk_base + offset)
249 #define pll_writel_base(val, p) pll_writel(val, p->params->base_reg, p)
250 #define pll_writel_misc(val, p) pll_writel(val, p->params->misc_reg, p)
251 #define pll_override_writel(val, offset, p) writel(val, p->pmc + offset)
252 #define pll_writel_sdm_din(val, p) pll_writel(val, p->params->sdm_din_reg, p)
253 #define pll_writel_sdm_ctrl(val, p) pll_writel(val, p->params->sdm_ctrl_reg, p)
254 
255 #define mask(w) ((1 << (w)) - 1)
256 #define divm_mask(p) mask(p->params->div_nmp->divm_width)
257 #define divn_mask(p) mask(p->params->div_nmp->divn_width)
258 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
259 		      mask(p->params->div_nmp->divp_width))
260 #define sdm_din_mask(p) p->params->sdm_din_mask
261 #define sdm_en_mask(p) p->params->sdm_ctrl_en_mask
262 
263 #define divm_shift(p) (p)->params->div_nmp->divm_shift
264 #define divn_shift(p) (p)->params->div_nmp->divn_shift
265 #define divp_shift(p) (p)->params->div_nmp->divp_shift
266 
267 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
268 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
269 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
270 
271 #define divm_max(p) (divm_mask(p))
272 #define divn_max(p) (divn_mask(p))
273 #define divp_max(p) (1 << (divp_mask(p)))
274 
275 #define sdin_din_to_data(din)	((u16)((din) ? : 0xFFFFU))
276 #define sdin_data_to_din(dat)	(((dat) == 0xFFFFU) ? 0 : (s16)dat)
277 
278 static struct div_nmp default_nmp = {
279 	.divn_shift = PLL_BASE_DIVN_SHIFT,
280 	.divn_width = PLL_BASE_DIVN_WIDTH,
281 	.divm_shift = PLL_BASE_DIVM_SHIFT,
282 	.divm_width = PLL_BASE_DIVM_WIDTH,
283 	.divp_shift = PLL_BASE_DIVP_SHIFT,
284 	.divp_width = PLL_BASE_DIVP_WIDTH,
285 };
286 
287 static void clk_pll_enable_lock(struct tegra_clk_pll *pll)
288 {
289 	u32 val;
290 
291 	if (!(pll->params->flags & TEGRA_PLL_USE_LOCK))
292 		return;
293 
294 	if (!(pll->params->flags & TEGRA_PLL_HAS_LOCK_ENABLE))
295 		return;
296 
297 	val = pll_readl_misc(pll);
298 	val |= BIT(pll->params->lock_enable_bit_idx);
299 	pll_writel_misc(val, pll);
300 }
301 
302 static int clk_pll_wait_for_lock(struct tegra_clk_pll *pll)
303 {
304 	int i;
305 	u32 val, lock_mask;
306 	void __iomem *lock_addr;
307 
308 	if (!(pll->params->flags & TEGRA_PLL_USE_LOCK)) {
309 		udelay(pll->params->lock_delay);
310 		return 0;
311 	}
312 
313 	lock_addr = pll->clk_base;
314 	if (pll->params->flags & TEGRA_PLL_LOCK_MISC)
315 		lock_addr += pll->params->misc_reg;
316 	else
317 		lock_addr += pll->params->base_reg;
318 
319 	lock_mask = pll->params->lock_mask;
320 
321 	for (i = 0; i < pll->params->lock_delay; i++) {
322 		val = readl_relaxed(lock_addr);
323 		if ((val & lock_mask) == lock_mask) {
324 			udelay(PLL_POST_LOCK_DELAY);
325 			return 0;
326 		}
327 		udelay(2); /* timeout = 2 * lock time */
328 	}
329 
330 	pr_err("%s: Timed out waiting for pll %s lock\n", __func__,
331 	       clk_hw_get_name(&pll->hw));
332 
333 	return -1;
334 }
335 
336 int tegra_pll_wait_for_lock(struct tegra_clk_pll *pll)
337 {
338 	return clk_pll_wait_for_lock(pll);
339 }
340 
341 static int clk_pll_is_enabled(struct clk_hw *hw)
342 {
343 	struct tegra_clk_pll *pll = to_clk_pll(hw);
344 	u32 val;
345 
346 	if (pll->params->flags & TEGRA_PLLM) {
347 		val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
348 		if (val & PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)
349 			return val & PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE ? 1 : 0;
350 	}
351 
352 	val = pll_readl_base(pll);
353 
354 	return val & PLL_BASE_ENABLE ? 1 : 0;
355 }
356 
357 static void _clk_pll_enable(struct clk_hw *hw)
358 {
359 	struct tegra_clk_pll *pll = to_clk_pll(hw);
360 	u32 val;
361 
362 	if (pll->params->iddq_reg) {
363 		val = pll_readl(pll->params->iddq_reg, pll);
364 		val &= ~BIT(pll->params->iddq_bit_idx);
365 		pll_writel(val, pll->params->iddq_reg, pll);
366 		udelay(2);
367 	}
368 
369 	if (pll->params->reset_reg) {
370 		val = pll_readl(pll->params->reset_reg, pll);
371 		val &= ~BIT(pll->params->reset_bit_idx);
372 		pll_writel(val, pll->params->reset_reg, pll);
373 	}
374 
375 	clk_pll_enable_lock(pll);
376 
377 	val = pll_readl_base(pll);
378 	if (pll->params->flags & TEGRA_PLL_BYPASS)
379 		val &= ~PLL_BASE_BYPASS;
380 	val |= PLL_BASE_ENABLE;
381 	pll_writel_base(val, pll);
382 
383 	if (pll->params->flags & TEGRA_PLLM) {
384 		val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
385 		val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
386 		writel_relaxed(val, pll->pmc + PMC_PLLP_WB0_OVERRIDE);
387 	}
388 }
389 
390 static void _clk_pll_disable(struct clk_hw *hw)
391 {
392 	struct tegra_clk_pll *pll = to_clk_pll(hw);
393 	u32 val;
394 
395 	val = pll_readl_base(pll);
396 	if (pll->params->flags & TEGRA_PLL_BYPASS)
397 		val &= ~PLL_BASE_BYPASS;
398 	val &= ~PLL_BASE_ENABLE;
399 	pll_writel_base(val, pll);
400 
401 	if (pll->params->flags & TEGRA_PLLM) {
402 		val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
403 		val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
404 		writel_relaxed(val, pll->pmc + PMC_PLLP_WB0_OVERRIDE);
405 	}
406 
407 	if (pll->params->reset_reg) {
408 		val = pll_readl(pll->params->reset_reg, pll);
409 		val |= BIT(pll->params->reset_bit_idx);
410 		pll_writel(val, pll->params->reset_reg, pll);
411 	}
412 
413 	if (pll->params->iddq_reg) {
414 		val = pll_readl(pll->params->iddq_reg, pll);
415 		val |= BIT(pll->params->iddq_bit_idx);
416 		pll_writel(val, pll->params->iddq_reg, pll);
417 		udelay(2);
418 	}
419 }
420 
421 static void pll_clk_start_ss(struct tegra_clk_pll *pll)
422 {
423 	if (pll->params->defaults_set && pll->params->ssc_ctrl_reg) {
424 		u32 val = pll_readl(pll->params->ssc_ctrl_reg, pll);
425 
426 		val |= pll->params->ssc_ctrl_en_mask;
427 		pll_writel(val, pll->params->ssc_ctrl_reg, pll);
428 	}
429 }
430 
431 static void pll_clk_stop_ss(struct tegra_clk_pll *pll)
432 {
433 	if (pll->params->defaults_set && pll->params->ssc_ctrl_reg) {
434 		u32 val = pll_readl(pll->params->ssc_ctrl_reg, pll);
435 
436 		val &= ~pll->params->ssc_ctrl_en_mask;
437 		pll_writel(val, pll->params->ssc_ctrl_reg, pll);
438 	}
439 }
440 
441 static int clk_pll_enable(struct clk_hw *hw)
442 {
443 	struct tegra_clk_pll *pll = to_clk_pll(hw);
444 	unsigned long flags = 0;
445 	int ret;
446 
447 	if (pll->lock)
448 		spin_lock_irqsave(pll->lock, flags);
449 
450 	_clk_pll_enable(hw);
451 
452 	ret = clk_pll_wait_for_lock(pll);
453 
454 	pll_clk_start_ss(pll);
455 
456 	if (pll->lock)
457 		spin_unlock_irqrestore(pll->lock, flags);
458 
459 	return ret;
460 }
461 
462 static void clk_pll_disable(struct clk_hw *hw)
463 {
464 	struct tegra_clk_pll *pll = to_clk_pll(hw);
465 	unsigned long flags = 0;
466 
467 	if (pll->lock)
468 		spin_lock_irqsave(pll->lock, flags);
469 
470 	pll_clk_stop_ss(pll);
471 
472 	_clk_pll_disable(hw);
473 
474 	if (pll->lock)
475 		spin_unlock_irqrestore(pll->lock, flags);
476 }
477 
478 static int _p_div_to_hw(struct clk_hw *hw, u8 p_div)
479 {
480 	struct tegra_clk_pll *pll = to_clk_pll(hw);
481 	const struct pdiv_map *p_tohw = pll->params->pdiv_tohw;
482 
483 	if (p_tohw) {
484 		while (p_tohw->pdiv) {
485 			if (p_div <= p_tohw->pdiv)
486 				return p_tohw->hw_val;
487 			p_tohw++;
488 		}
489 		return -EINVAL;
490 	}
491 	return -EINVAL;
492 }
493 
494 int tegra_pll_p_div_to_hw(struct tegra_clk_pll *pll, u8 p_div)
495 {
496 	return _p_div_to_hw(&pll->hw, p_div);
497 }
498 
499 static int _hw_to_p_div(struct clk_hw *hw, u8 p_div_hw)
500 {
501 	struct tegra_clk_pll *pll = to_clk_pll(hw);
502 	const struct pdiv_map *p_tohw = pll->params->pdiv_tohw;
503 
504 	if (p_tohw) {
505 		while (p_tohw->pdiv) {
506 			if (p_div_hw == p_tohw->hw_val)
507 				return p_tohw->pdiv;
508 			p_tohw++;
509 		}
510 		return -EINVAL;
511 	}
512 
513 	return 1 << p_div_hw;
514 }
515 
516 static int _get_table_rate(struct clk_hw *hw,
517 			   struct tegra_clk_pll_freq_table *cfg,
518 			   unsigned long rate, unsigned long parent_rate)
519 {
520 	struct tegra_clk_pll *pll = to_clk_pll(hw);
521 	struct tegra_clk_pll_freq_table *sel;
522 	int p;
523 
524 	for (sel = pll->params->freq_table; sel->input_rate != 0; sel++)
525 		if (sel->input_rate == parent_rate &&
526 		    sel->output_rate == rate)
527 			break;
528 
529 	if (sel->input_rate == 0)
530 		return -EINVAL;
531 
532 	if (pll->params->pdiv_tohw) {
533 		p = _p_div_to_hw(hw, sel->p);
534 		if (p < 0)
535 			return p;
536 	} else {
537 		p = ilog2(sel->p);
538 	}
539 
540 	cfg->input_rate = sel->input_rate;
541 	cfg->output_rate = sel->output_rate;
542 	cfg->m = sel->m;
543 	cfg->n = sel->n;
544 	cfg->p = p;
545 	cfg->cpcon = sel->cpcon;
546 	cfg->sdm_data = sel->sdm_data;
547 
548 	return 0;
549 }
550 
551 static int _calc_rate(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
552 		      unsigned long rate, unsigned long parent_rate)
553 {
554 	struct tegra_clk_pll *pll = to_clk_pll(hw);
555 	unsigned long cfreq;
556 	u32 p_div = 0;
557 	int ret;
558 
559 	switch (parent_rate) {
560 	case 12000000:
561 	case 26000000:
562 		cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000;
563 		break;
564 	case 13000000:
565 		cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000;
566 		break;
567 	case 16800000:
568 	case 19200000:
569 		cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000;
570 		break;
571 	case 9600000:
572 	case 28800000:
573 		/*
574 		 * PLL_P_OUT1 rate is not listed in PLLA table
575 		 */
576 		cfreq = parent_rate / (parent_rate / 1000000);
577 		break;
578 	default:
579 		pr_err("%s Unexpected reference rate %lu\n",
580 		       __func__, parent_rate);
581 		BUG();
582 	}
583 
584 	/* Raise VCO to guarantee 0.5% accuracy */
585 	for (cfg->output_rate = rate; cfg->output_rate < 200 * cfreq;
586 	     cfg->output_rate <<= 1)
587 		p_div++;
588 
589 	cfg->m = parent_rate / cfreq;
590 	cfg->n = cfg->output_rate / cfreq;
591 	cfg->cpcon = OUT_OF_TABLE_CPCON;
592 
593 	if (cfg->m > divm_max(pll) || cfg->n > divn_max(pll) ||
594 	    (1 << p_div) > divp_max(pll)
595 	    || cfg->output_rate > pll->params->vco_max) {
596 		return -EINVAL;
597 	}
598 
599 	cfg->output_rate >>= p_div;
600 
601 	if (pll->params->pdiv_tohw) {
602 		ret = _p_div_to_hw(hw, 1 << p_div);
603 		if (ret < 0)
604 			return ret;
605 		else
606 			cfg->p = ret;
607 	} else
608 		cfg->p = p_div;
609 
610 	return 0;
611 }
612 
613 /*
614  * SDM (Sigma Delta Modulator) divisor is 16-bit 2's complement signed number
615  * within (-2^12 ... 2^12-1) range. Represented in PLL data structure as
616  * unsigned 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used
617  * to indicate that SDM is disabled.
618  *
619  * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
620  */
621 static void clk_pll_set_sdm_data(struct clk_hw *hw,
622 				 struct tegra_clk_pll_freq_table *cfg)
623 {
624 	struct tegra_clk_pll *pll = to_clk_pll(hw);
625 	u32 val;
626 	bool enabled;
627 
628 	if (!pll->params->sdm_din_reg)
629 		return;
630 
631 	if (cfg->sdm_data) {
632 		val = pll_readl_sdm_din(pll) & (~sdm_din_mask(pll));
633 		val |= sdin_data_to_din(cfg->sdm_data) & sdm_din_mask(pll);
634 		pll_writel_sdm_din(val, pll);
635 	}
636 
637 	val = pll_readl_sdm_ctrl(pll);
638 	enabled = (val & sdm_en_mask(pll));
639 
640 	if (cfg->sdm_data == 0 && enabled)
641 		val &= ~pll->params->sdm_ctrl_en_mask;
642 
643 	if (cfg->sdm_data != 0 && !enabled)
644 		val |= pll->params->sdm_ctrl_en_mask;
645 
646 	pll_writel_sdm_ctrl(val, pll);
647 }
648 
649 static void _update_pll_mnp(struct tegra_clk_pll *pll,
650 			    struct tegra_clk_pll_freq_table *cfg)
651 {
652 	u32 val;
653 	struct tegra_clk_pll_params *params = pll->params;
654 	struct div_nmp *div_nmp = params->div_nmp;
655 
656 	if ((params->flags & (TEGRA_PLLM | TEGRA_PLLMB)) &&
657 		(pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
658 			PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
659 		val = pll_override_readl(params->pmc_divp_reg, pll);
660 		val &= ~(divp_mask(pll) << div_nmp->override_divp_shift);
661 		val |= cfg->p << div_nmp->override_divp_shift;
662 		pll_override_writel(val, params->pmc_divp_reg, pll);
663 
664 		val = pll_override_readl(params->pmc_divnm_reg, pll);
665 		val &= ~(divm_mask(pll) << div_nmp->override_divm_shift) |
666 			~(divn_mask(pll) << div_nmp->override_divn_shift);
667 		val |= (cfg->m << div_nmp->override_divm_shift) |
668 			(cfg->n << div_nmp->override_divn_shift);
669 		pll_override_writel(val, params->pmc_divnm_reg, pll);
670 	} else {
671 		val = pll_readl_base(pll);
672 
673 		val &= ~(divm_mask_shifted(pll) | divn_mask_shifted(pll) |
674 			 divp_mask_shifted(pll));
675 
676 		val |= (cfg->m << divm_shift(pll)) |
677 		       (cfg->n << divn_shift(pll)) |
678 		       (cfg->p << divp_shift(pll));
679 
680 		pll_writel_base(val, pll);
681 
682 		clk_pll_set_sdm_data(&pll->hw, cfg);
683 	}
684 }
685 
686 static void _get_pll_mnp(struct tegra_clk_pll *pll,
687 			 struct tegra_clk_pll_freq_table *cfg)
688 {
689 	u32 val;
690 	struct tegra_clk_pll_params *params = pll->params;
691 	struct div_nmp *div_nmp = params->div_nmp;
692 
693 	*cfg = (struct tegra_clk_pll_freq_table) { };
694 
695 	if ((params->flags & (TEGRA_PLLM | TEGRA_PLLMB)) &&
696 		(pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
697 			PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
698 		val = pll_override_readl(params->pmc_divp_reg, pll);
699 		cfg->p = (val >> div_nmp->override_divp_shift) & divp_mask(pll);
700 
701 		val = pll_override_readl(params->pmc_divnm_reg, pll);
702 		cfg->m = (val >> div_nmp->override_divm_shift) & divm_mask(pll);
703 		cfg->n = (val >> div_nmp->override_divn_shift) & divn_mask(pll);
704 	}  else {
705 		val = pll_readl_base(pll);
706 
707 		cfg->m = (val >> div_nmp->divm_shift) & divm_mask(pll);
708 		cfg->n = (val >> div_nmp->divn_shift) & divn_mask(pll);
709 		cfg->p = (val >> div_nmp->divp_shift) & divp_mask(pll);
710 
711 		if (pll->params->sdm_din_reg) {
712 			if (sdm_en_mask(pll) & pll_readl_sdm_ctrl(pll)) {
713 				val = pll_readl_sdm_din(pll);
714 				val &= sdm_din_mask(pll);
715 				cfg->sdm_data = sdin_din_to_data(val);
716 			}
717 		}
718 	}
719 }
720 
721 static void _update_pll_cpcon(struct tegra_clk_pll *pll,
722 			      struct tegra_clk_pll_freq_table *cfg,
723 			      unsigned long rate)
724 {
725 	u32 val;
726 
727 	val = pll_readl_misc(pll);
728 
729 	val &= ~(PLL_MISC_CPCON_MASK << PLL_MISC_CPCON_SHIFT);
730 	val |= cfg->cpcon << PLL_MISC_CPCON_SHIFT;
731 
732 	if (pll->params->flags & TEGRA_PLL_SET_LFCON) {
733 		val &= ~(PLL_MISC_LFCON_MASK << PLL_MISC_LFCON_SHIFT);
734 		if (cfg->n >= PLLDU_LFCON_SET_DIVN)
735 			val |= 1 << PLL_MISC_LFCON_SHIFT;
736 	} else if (pll->params->flags & TEGRA_PLL_SET_DCCON) {
737 		val &= ~(1 << PLL_MISC_DCCON_SHIFT);
738 		if (rate >= (pll->params->vco_max >> 1))
739 			val |= 1 << PLL_MISC_DCCON_SHIFT;
740 	}
741 
742 	pll_writel_misc(val, pll);
743 }
744 
745 static int _program_pll(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
746 			unsigned long rate)
747 {
748 	struct tegra_clk_pll *pll = to_clk_pll(hw);
749 	struct tegra_clk_pll_freq_table old_cfg;
750 	int state, ret = 0;
751 
752 	state = clk_pll_is_enabled(hw);
753 
754 	_get_pll_mnp(pll, &old_cfg);
755 
756 	if (state && pll->params->defaults_set && pll->params->dyn_ramp &&
757 			(cfg->m == old_cfg.m) && (cfg->p == old_cfg.p)) {
758 		ret = pll->params->dyn_ramp(pll, cfg);
759 		if (!ret)
760 			return 0;
761 	}
762 
763 	if (state) {
764 		pll_clk_stop_ss(pll);
765 		_clk_pll_disable(hw);
766 	}
767 
768 	if (!pll->params->defaults_set && pll->params->set_defaults)
769 		pll->params->set_defaults(pll);
770 
771 	_update_pll_mnp(pll, cfg);
772 
773 	if (pll->params->flags & TEGRA_PLL_HAS_CPCON)
774 		_update_pll_cpcon(pll, cfg, rate);
775 
776 	if (state) {
777 		_clk_pll_enable(hw);
778 		ret = clk_pll_wait_for_lock(pll);
779 		pll_clk_start_ss(pll);
780 	}
781 
782 	return ret;
783 }
784 
785 static int clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
786 			unsigned long parent_rate)
787 {
788 	struct tegra_clk_pll *pll = to_clk_pll(hw);
789 	struct tegra_clk_pll_freq_table cfg, old_cfg;
790 	unsigned long flags = 0;
791 	int ret = 0;
792 
793 	if (pll->params->flags & TEGRA_PLL_FIXED) {
794 		if (rate != pll->params->fixed_rate) {
795 			pr_err("%s: Can not change %s fixed rate %lu to %lu\n",
796 				__func__, clk_hw_get_name(hw),
797 				pll->params->fixed_rate, rate);
798 			return -EINVAL;
799 		}
800 		return 0;
801 	}
802 
803 	if (_get_table_rate(hw, &cfg, rate, parent_rate) &&
804 	    pll->params->calc_rate(hw, &cfg, rate, parent_rate)) {
805 		pr_err("%s: Failed to set %s rate %lu\n", __func__,
806 		       clk_hw_get_name(hw), rate);
807 		WARN_ON(1);
808 		return -EINVAL;
809 	}
810 	if (pll->lock)
811 		spin_lock_irqsave(pll->lock, flags);
812 
813 	_get_pll_mnp(pll, &old_cfg);
814 	if (pll->params->flags & TEGRA_PLL_VCO_OUT)
815 		cfg.p = old_cfg.p;
816 
817 	if (old_cfg.m != cfg.m || old_cfg.n != cfg.n || old_cfg.p != cfg.p ||
818 		old_cfg.sdm_data != cfg.sdm_data)
819 		ret = _program_pll(hw, &cfg, rate);
820 
821 	if (pll->lock)
822 		spin_unlock_irqrestore(pll->lock, flags);
823 
824 	return ret;
825 }
826 
827 static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
828 			unsigned long *prate)
829 {
830 	struct tegra_clk_pll *pll = to_clk_pll(hw);
831 	struct tegra_clk_pll_freq_table cfg;
832 
833 	if (pll->params->flags & TEGRA_PLL_FIXED) {
834 		/* PLLM/MB are used for memory; we do not change rate */
835 		if (pll->params->flags & (TEGRA_PLLM | TEGRA_PLLMB))
836 			return clk_hw_get_rate(hw);
837 		return pll->params->fixed_rate;
838 	}
839 
840 	if (_get_table_rate(hw, &cfg, rate, *prate) &&
841 	    pll->params->calc_rate(hw, &cfg, rate, *prate))
842 		return -EINVAL;
843 
844 	return cfg.output_rate;
845 }
846 
847 static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
848 					 unsigned long parent_rate)
849 {
850 	struct tegra_clk_pll *pll = to_clk_pll(hw);
851 	struct tegra_clk_pll_freq_table cfg;
852 	u32 val;
853 	u64 rate = parent_rate;
854 	int pdiv;
855 
856 	val = pll_readl_base(pll);
857 
858 	if ((pll->params->flags & TEGRA_PLL_BYPASS) && (val & PLL_BASE_BYPASS))
859 		return parent_rate;
860 
861 	if ((pll->params->flags & TEGRA_PLL_FIXED) &&
862 	    !(pll->params->flags & (TEGRA_PLLM | TEGRA_PLLMB)) &&
863 			!(val & PLL_BASE_OVERRIDE)) {
864 		struct tegra_clk_pll_freq_table sel;
865 		if (_get_table_rate(hw, &sel, pll->params->fixed_rate,
866 					parent_rate)) {
867 			pr_err("Clock %s has unknown fixed frequency\n",
868 			       clk_hw_get_name(hw));
869 			BUG();
870 		}
871 		return pll->params->fixed_rate;
872 	}
873 
874 	_get_pll_mnp(pll, &cfg);
875 
876 	if (pll->params->flags & TEGRA_PLL_VCO_OUT) {
877 		pdiv = 1;
878 	} else {
879 		pdiv = _hw_to_p_div(hw, cfg.p);
880 		if (pdiv < 0) {
881 			WARN(1, "Clock %s has invalid pdiv value : 0x%x\n",
882 			     clk_hw_get_name(hw), cfg.p);
883 			pdiv = 1;
884 		}
885 	}
886 
887 	if (pll->params->set_gain)
888 		pll->params->set_gain(&cfg);
889 
890 	cfg.m *= pdiv;
891 
892 	rate *= cfg.n;
893 	do_div(rate, cfg.m);
894 
895 	return rate;
896 }
897 
898 static int clk_plle_training(struct tegra_clk_pll *pll)
899 {
900 	u32 val;
901 	unsigned long timeout;
902 
903 	if (!pll->pmc)
904 		return -ENOSYS;
905 
906 	/*
907 	 * PLLE is already disabled, and setup cleared;
908 	 * create falling edge on PLLE IDDQ input.
909 	 */
910 	val = readl(pll->pmc + PMC_SATA_PWRGT);
911 	val |= PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
912 	writel(val, pll->pmc + PMC_SATA_PWRGT);
913 
914 	val = readl(pll->pmc + PMC_SATA_PWRGT);
915 	val |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
916 	writel(val, pll->pmc + PMC_SATA_PWRGT);
917 
918 	val = readl(pll->pmc + PMC_SATA_PWRGT);
919 	val &= ~PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
920 	writel(val, pll->pmc + PMC_SATA_PWRGT);
921 
922 	val = pll_readl_misc(pll);
923 
924 	timeout = jiffies + msecs_to_jiffies(100);
925 	while (1) {
926 		val = pll_readl_misc(pll);
927 		if (val & PLLE_MISC_READY)
928 			break;
929 		if (time_after(jiffies, timeout)) {
930 			pr_err("%s: timeout waiting for PLLE\n", __func__);
931 			return -EBUSY;
932 		}
933 		udelay(300);
934 	}
935 
936 	return 0;
937 }
938 
939 static int clk_plle_enable(struct clk_hw *hw)
940 {
941 	struct tegra_clk_pll *pll = to_clk_pll(hw);
942 	unsigned long input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
943 	struct tegra_clk_pll_freq_table sel;
944 	u32 val;
945 	int err;
946 
947 	if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
948 		return -EINVAL;
949 
950 	clk_pll_disable(hw);
951 
952 	val = pll_readl_misc(pll);
953 	val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK);
954 	pll_writel_misc(val, pll);
955 
956 	val = pll_readl_misc(pll);
957 	if (!(val & PLLE_MISC_READY)) {
958 		err = clk_plle_training(pll);
959 		if (err)
960 			return err;
961 	}
962 
963 	if (pll->params->flags & TEGRA_PLLE_CONFIGURE) {
964 		/* configure dividers */
965 		val = pll_readl_base(pll);
966 		val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) |
967 			 divm_mask_shifted(pll));
968 		val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT);
969 		val |= sel.m << divm_shift(pll);
970 		val |= sel.n << divn_shift(pll);
971 		val |= sel.p << divp_shift(pll);
972 		val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
973 		pll_writel_base(val, pll);
974 	}
975 
976 	val = pll_readl_misc(pll);
977 	val |= PLLE_MISC_SETUP_VALUE;
978 	val |= PLLE_MISC_LOCK_ENABLE;
979 	pll_writel_misc(val, pll);
980 
981 	val = readl(pll->clk_base + PLLE_SS_CTRL);
982 	val &= ~PLLE_SS_COEFFICIENTS_MASK;
983 	val |= PLLE_SS_DISABLE;
984 	writel(val, pll->clk_base + PLLE_SS_CTRL);
985 
986 	val = pll_readl_base(pll);
987 	val |= (PLL_BASE_BYPASS | PLL_BASE_ENABLE);
988 	pll_writel_base(val, pll);
989 
990 	clk_pll_wait_for_lock(pll);
991 
992 	return 0;
993 }
994 
995 static unsigned long clk_plle_recalc_rate(struct clk_hw *hw,
996 					 unsigned long parent_rate)
997 {
998 	struct tegra_clk_pll *pll = to_clk_pll(hw);
999 	u32 val = pll_readl_base(pll);
1000 	u32 divn = 0, divm = 0, divp = 0;
1001 	u64 rate = parent_rate;
1002 
1003 	divp = (val >> pll->params->div_nmp->divp_shift) & (divp_mask(pll));
1004 	divn = (val >> pll->params->div_nmp->divn_shift) & (divn_mask(pll));
1005 	divm = (val >> pll->params->div_nmp->divm_shift) & (divm_mask(pll));
1006 	divm *= divp;
1007 
1008 	rate *= divn;
1009 	do_div(rate, divm);
1010 	return rate;
1011 }
1012 
1013 const struct clk_ops tegra_clk_pll_ops = {
1014 	.is_enabled = clk_pll_is_enabled,
1015 	.enable = clk_pll_enable,
1016 	.disable = clk_pll_disable,
1017 	.recalc_rate = clk_pll_recalc_rate,
1018 	.round_rate = clk_pll_round_rate,
1019 	.set_rate = clk_pll_set_rate,
1020 };
1021 
1022 const struct clk_ops tegra_clk_plle_ops = {
1023 	.recalc_rate = clk_plle_recalc_rate,
1024 	.is_enabled = clk_pll_is_enabled,
1025 	.disable = clk_pll_disable,
1026 	.enable = clk_plle_enable,
1027 };
1028 
1029 /*
1030  * Structure defining the fields for USB UTMI clocks Parameters.
1031  */
1032 struct utmi_clk_param {
1033 	/* Oscillator Frequency in Hz */
1034 	u32 osc_frequency;
1035 	/* UTMIP PLL Enable Delay Count  */
1036 	u8 enable_delay_count;
1037 	/* UTMIP PLL Stable count */
1038 	u8 stable_count;
1039 	/*  UTMIP PLL Active delay count */
1040 	u8 active_delay_count;
1041 	/* UTMIP PLL Xtal frequency count */
1042 	u8 xtal_freq_count;
1043 };
1044 
1045 static const struct utmi_clk_param utmi_parameters[] = {
1046 	{
1047 		.osc_frequency = 13000000, .enable_delay_count = 0x02,
1048 		.stable_count = 0x33, .active_delay_count = 0x05,
1049 		.xtal_freq_count = 0x7f
1050 	}, {
1051 		.osc_frequency = 19200000, .enable_delay_count = 0x03,
1052 		.stable_count = 0x4b, .active_delay_count = 0x06,
1053 		.xtal_freq_count = 0xbb
1054 	}, {
1055 		.osc_frequency = 12000000, .enable_delay_count = 0x02,
1056 		.stable_count = 0x2f, .active_delay_count = 0x04,
1057 		.xtal_freq_count = 0x76
1058 	}, {
1059 		.osc_frequency = 26000000, .enable_delay_count = 0x04,
1060 		.stable_count = 0x66, .active_delay_count = 0x09,
1061 		.xtal_freq_count = 0xfe
1062 	}, {
1063 		.osc_frequency = 16800000, .enable_delay_count = 0x03,
1064 		.stable_count = 0x41, .active_delay_count = 0x0a,
1065 		.xtal_freq_count = 0xa4
1066 	}, {
1067 		.osc_frequency = 38400000, .enable_delay_count = 0x0,
1068 		.stable_count = 0x0, .active_delay_count = 0x6,
1069 		.xtal_freq_count = 0x80
1070 	},
1071 };
1072 
1073 static int clk_pllu_enable(struct clk_hw *hw)
1074 {
1075 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1076 	struct clk_hw *pll_ref = clk_hw_get_parent(hw);
1077 	struct clk_hw *osc = clk_hw_get_parent(pll_ref);
1078 	const struct utmi_clk_param *params = NULL;
1079 	unsigned long flags = 0, input_rate;
1080 	unsigned int i;
1081 	int ret = 0;
1082 	u32 value;
1083 
1084 	if (!osc) {
1085 		pr_err("%s: failed to get OSC clock\n", __func__);
1086 		return -EINVAL;
1087 	}
1088 
1089 	input_rate = clk_hw_get_rate(osc);
1090 
1091 	if (pll->lock)
1092 		spin_lock_irqsave(pll->lock, flags);
1093 
1094 	_clk_pll_enable(hw);
1095 
1096 	ret = clk_pll_wait_for_lock(pll);
1097 	if (ret < 0)
1098 		goto out;
1099 
1100 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
1101 		if (input_rate == utmi_parameters[i].osc_frequency) {
1102 			params = &utmi_parameters[i];
1103 			break;
1104 		}
1105 	}
1106 
1107 	if (!params) {
1108 		pr_err("%s: unexpected input rate %lu Hz\n", __func__,
1109 		       input_rate);
1110 		ret = -EINVAL;
1111 		goto out;
1112 	}
1113 
1114 	value = pll_readl_base(pll);
1115 	value &= ~PLLU_BASE_OVERRIDE;
1116 	pll_writel_base(value, pll);
1117 
1118 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG2);
1119 	/* Program UTMIP PLL stable and active counts */
1120 	value &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
1121 	value |= UTMIP_PLL_CFG2_STABLE_COUNT(params->stable_count);
1122 	value &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
1123 	value |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(params->active_delay_count);
1124 	/* Remove power downs from UTMIP PLL control bits */
1125 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
1126 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
1127 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
1128 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG2);
1129 
1130 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
1131 	/* Program UTMIP PLL delay and oscillator frequency counts */
1132 	value &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
1133 	value |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(params->enable_delay_count);
1134 	value &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
1135 	value |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(params->xtal_freq_count);
1136 	/* Remove power downs from UTMIP PLL control bits */
1137 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1138 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
1139 	value &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
1140 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG1);
1141 
1142 out:
1143 	if (pll->lock)
1144 		spin_unlock_irqrestore(pll->lock, flags);
1145 
1146 	return ret;
1147 }
1148 
1149 static const struct clk_ops tegra_clk_pllu_ops = {
1150 	.is_enabled = clk_pll_is_enabled,
1151 	.enable = clk_pllu_enable,
1152 	.disable = clk_pll_disable,
1153 	.recalc_rate = clk_pll_recalc_rate,
1154 };
1155 
1156 static int _pll_fixed_mdiv(struct tegra_clk_pll_params *pll_params,
1157 			   unsigned long parent_rate)
1158 {
1159 	u16 mdiv = parent_rate / pll_params->cf_min;
1160 
1161 	if (pll_params->flags & TEGRA_MDIV_NEW)
1162 		return (!pll_params->mdiv_default ? mdiv :
1163 			min(mdiv, pll_params->mdiv_default));
1164 
1165 	if (pll_params->mdiv_default)
1166 		return pll_params->mdiv_default;
1167 
1168 	if (parent_rate > pll_params->cf_max)
1169 		return 2;
1170 	else
1171 		return 1;
1172 }
1173 
1174 static int _calc_dynamic_ramp_rate(struct clk_hw *hw,
1175 				struct tegra_clk_pll_freq_table *cfg,
1176 				unsigned long rate, unsigned long parent_rate)
1177 {
1178 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1179 	unsigned int p;
1180 	int p_div;
1181 
1182 	if (!rate)
1183 		return -EINVAL;
1184 
1185 	p = DIV_ROUND_UP(pll->params->vco_min, rate);
1186 	cfg->m = _pll_fixed_mdiv(pll->params, parent_rate);
1187 	cfg->output_rate = rate * p;
1188 	cfg->n = cfg->output_rate * cfg->m / parent_rate;
1189 	cfg->input_rate = parent_rate;
1190 
1191 	p_div = _p_div_to_hw(hw, p);
1192 	if (p_div < 0)
1193 		return p_div;
1194 
1195 	cfg->p = p_div;
1196 
1197 	if (cfg->n > divn_max(pll) || cfg->output_rate > pll->params->vco_max)
1198 		return -EINVAL;
1199 
1200 	return 0;
1201 }
1202 
1203 #if defined(CONFIG_ARCH_TEGRA_114_SOC) || \
1204 	defined(CONFIG_ARCH_TEGRA_124_SOC) || \
1205 	defined(CONFIG_ARCH_TEGRA_132_SOC) || \
1206 	defined(CONFIG_ARCH_TEGRA_210_SOC)
1207 
1208 u16 tegra_pll_get_fixed_mdiv(struct clk_hw *hw, unsigned long input_rate)
1209 {
1210 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1211 
1212 	return (u16)_pll_fixed_mdiv(pll->params, input_rate);
1213 }
1214 
1215 static unsigned long _clip_vco_min(unsigned long vco_min,
1216 				   unsigned long parent_rate)
1217 {
1218 	return DIV_ROUND_UP(vco_min, parent_rate) * parent_rate;
1219 }
1220 
1221 static int _setup_dynamic_ramp(struct tegra_clk_pll_params *pll_params,
1222 			       void __iomem *clk_base,
1223 			       unsigned long parent_rate)
1224 {
1225 	u32 val;
1226 	u32 step_a, step_b;
1227 
1228 	switch (parent_rate) {
1229 	case 12000000:
1230 	case 13000000:
1231 	case 26000000:
1232 		step_a = 0x2B;
1233 		step_b = 0x0B;
1234 		break;
1235 	case 16800000:
1236 		step_a = 0x1A;
1237 		step_b = 0x09;
1238 		break;
1239 	case 19200000:
1240 		step_a = 0x12;
1241 		step_b = 0x08;
1242 		break;
1243 	default:
1244 		pr_err("%s: Unexpected reference rate %lu\n",
1245 			__func__, parent_rate);
1246 		WARN_ON(1);
1247 		return -EINVAL;
1248 	}
1249 
1250 	val = step_a << pll_params->stepa_shift;
1251 	val |= step_b << pll_params->stepb_shift;
1252 	writel_relaxed(val, clk_base + pll_params->dyn_ramp_reg);
1253 
1254 	return 0;
1255 }
1256 
1257 static int _pll_ramp_calc_pll(struct clk_hw *hw,
1258 			      struct tegra_clk_pll_freq_table *cfg,
1259 			      unsigned long rate, unsigned long parent_rate)
1260 {
1261 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1262 	int err = 0;
1263 
1264 	err = _get_table_rate(hw, cfg, rate, parent_rate);
1265 	if (err < 0)
1266 		err = _calc_dynamic_ramp_rate(hw, cfg, rate, parent_rate);
1267 	else {
1268 		if (cfg->m != _pll_fixed_mdiv(pll->params, parent_rate)) {
1269 			WARN_ON(1);
1270 			err = -EINVAL;
1271 			goto out;
1272 		}
1273 	}
1274 
1275 	if (cfg->p >  pll->params->max_p)
1276 		err = -EINVAL;
1277 
1278 out:
1279 	return err;
1280 }
1281 
1282 static int clk_pllxc_set_rate(struct clk_hw *hw, unsigned long rate,
1283 				unsigned long parent_rate)
1284 {
1285 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1286 	struct tegra_clk_pll_freq_table cfg, old_cfg;
1287 	unsigned long flags = 0;
1288 	int ret;
1289 
1290 	ret = _pll_ramp_calc_pll(hw, &cfg, rate, parent_rate);
1291 	if (ret < 0)
1292 		return ret;
1293 
1294 	if (pll->lock)
1295 		spin_lock_irqsave(pll->lock, flags);
1296 
1297 	_get_pll_mnp(pll, &old_cfg);
1298 	if (pll->params->flags & TEGRA_PLL_VCO_OUT)
1299 		cfg.p = old_cfg.p;
1300 
1301 	if (old_cfg.m != cfg.m || old_cfg.n != cfg.n || old_cfg.p != cfg.p)
1302 		ret = _program_pll(hw, &cfg, rate);
1303 
1304 	if (pll->lock)
1305 		spin_unlock_irqrestore(pll->lock, flags);
1306 
1307 	return ret;
1308 }
1309 
1310 static long clk_pll_ramp_round_rate(struct clk_hw *hw, unsigned long rate,
1311 				unsigned long *prate)
1312 {
1313 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1314 	struct tegra_clk_pll_freq_table cfg;
1315 	int ret, p_div;
1316 	u64 output_rate = *prate;
1317 
1318 	ret = _pll_ramp_calc_pll(hw, &cfg, rate, *prate);
1319 	if (ret < 0)
1320 		return ret;
1321 
1322 	p_div = _hw_to_p_div(hw, cfg.p);
1323 	if (p_div < 0)
1324 		return p_div;
1325 
1326 	if (pll->params->set_gain)
1327 		pll->params->set_gain(&cfg);
1328 
1329 	output_rate *= cfg.n;
1330 	do_div(output_rate, cfg.m * p_div);
1331 
1332 	return output_rate;
1333 }
1334 
1335 static void _pllcx_strobe(struct tegra_clk_pll *pll)
1336 {
1337 	u32 val;
1338 
1339 	val = pll_readl_misc(pll);
1340 	val |= PLLCX_MISC_STROBE;
1341 	pll_writel_misc(val, pll);
1342 	udelay(2);
1343 
1344 	val &= ~PLLCX_MISC_STROBE;
1345 	pll_writel_misc(val, pll);
1346 }
1347 
1348 static int clk_pllc_enable(struct clk_hw *hw)
1349 {
1350 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1351 	u32 val;
1352 	int ret;
1353 	unsigned long flags = 0;
1354 
1355 	if (pll->lock)
1356 		spin_lock_irqsave(pll->lock, flags);
1357 
1358 	_clk_pll_enable(hw);
1359 	udelay(2);
1360 
1361 	val = pll_readl_misc(pll);
1362 	val &= ~PLLCX_MISC_RESET;
1363 	pll_writel_misc(val, pll);
1364 	udelay(2);
1365 
1366 	_pllcx_strobe(pll);
1367 
1368 	ret = clk_pll_wait_for_lock(pll);
1369 
1370 	if (pll->lock)
1371 		spin_unlock_irqrestore(pll->lock, flags);
1372 
1373 	return ret;
1374 }
1375 
1376 static void _clk_pllc_disable(struct clk_hw *hw)
1377 {
1378 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1379 	u32 val;
1380 
1381 	_clk_pll_disable(hw);
1382 
1383 	val = pll_readl_misc(pll);
1384 	val |= PLLCX_MISC_RESET;
1385 	pll_writel_misc(val, pll);
1386 	udelay(2);
1387 }
1388 
1389 static void clk_pllc_disable(struct clk_hw *hw)
1390 {
1391 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1392 	unsigned long flags = 0;
1393 
1394 	if (pll->lock)
1395 		spin_lock_irqsave(pll->lock, flags);
1396 
1397 	_clk_pllc_disable(hw);
1398 
1399 	if (pll->lock)
1400 		spin_unlock_irqrestore(pll->lock, flags);
1401 }
1402 
1403 static int _pllcx_update_dynamic_coef(struct tegra_clk_pll *pll,
1404 					unsigned long input_rate, u32 n)
1405 {
1406 	u32 val, n_threshold;
1407 
1408 	switch (input_rate) {
1409 	case 12000000:
1410 		n_threshold = 70;
1411 		break;
1412 	case 13000000:
1413 	case 26000000:
1414 		n_threshold = 71;
1415 		break;
1416 	case 16800000:
1417 		n_threshold = 55;
1418 		break;
1419 	case 19200000:
1420 		n_threshold = 48;
1421 		break;
1422 	default:
1423 		pr_err("%s: Unexpected reference rate %lu\n",
1424 			__func__, input_rate);
1425 		return -EINVAL;
1426 	}
1427 
1428 	val = pll_readl_misc(pll);
1429 	val &= ~(PLLCX_MISC_SDM_DIV_MASK | PLLCX_MISC_FILT_DIV_MASK);
1430 	val |= n <= n_threshold ?
1431 		PLLCX_MISC_DIV_LOW_RANGE : PLLCX_MISC_DIV_HIGH_RANGE;
1432 	pll_writel_misc(val, pll);
1433 
1434 	return 0;
1435 }
1436 
1437 static int clk_pllc_set_rate(struct clk_hw *hw, unsigned long rate,
1438 				unsigned long parent_rate)
1439 {
1440 	struct tegra_clk_pll_freq_table cfg, old_cfg;
1441 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1442 	unsigned long flags = 0;
1443 	int state, ret = 0;
1444 
1445 	if (pll->lock)
1446 		spin_lock_irqsave(pll->lock, flags);
1447 
1448 	ret = _pll_ramp_calc_pll(hw, &cfg, rate, parent_rate);
1449 	if (ret < 0)
1450 		goto out;
1451 
1452 	_get_pll_mnp(pll, &old_cfg);
1453 
1454 	if (cfg.m != old_cfg.m) {
1455 		WARN_ON(1);
1456 		goto out;
1457 	}
1458 
1459 	if (old_cfg.n == cfg.n && old_cfg.p == cfg.p)
1460 		goto out;
1461 
1462 	state = clk_pll_is_enabled(hw);
1463 	if (state)
1464 		_clk_pllc_disable(hw);
1465 
1466 	ret = _pllcx_update_dynamic_coef(pll, parent_rate, cfg.n);
1467 	if (ret < 0)
1468 		goto out;
1469 
1470 	_update_pll_mnp(pll, &cfg);
1471 
1472 	if (state)
1473 		ret = clk_pllc_enable(hw);
1474 
1475 out:
1476 	if (pll->lock)
1477 		spin_unlock_irqrestore(pll->lock, flags);
1478 
1479 	return ret;
1480 }
1481 
1482 static long _pllre_calc_rate(struct tegra_clk_pll *pll,
1483 			     struct tegra_clk_pll_freq_table *cfg,
1484 			     unsigned long rate, unsigned long parent_rate)
1485 {
1486 	u16 m, n;
1487 	u64 output_rate = parent_rate;
1488 
1489 	m = _pll_fixed_mdiv(pll->params, parent_rate);
1490 	n = rate * m / parent_rate;
1491 
1492 	output_rate *= n;
1493 	do_div(output_rate, m);
1494 
1495 	if (cfg) {
1496 		cfg->m = m;
1497 		cfg->n = n;
1498 	}
1499 
1500 	return output_rate;
1501 }
1502 
1503 static int clk_pllre_set_rate(struct clk_hw *hw, unsigned long rate,
1504 				unsigned long parent_rate)
1505 {
1506 	struct tegra_clk_pll_freq_table cfg, old_cfg;
1507 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1508 	unsigned long flags = 0;
1509 	int state, ret = 0;
1510 
1511 	if (pll->lock)
1512 		spin_lock_irqsave(pll->lock, flags);
1513 
1514 	_pllre_calc_rate(pll, &cfg, rate, parent_rate);
1515 	_get_pll_mnp(pll, &old_cfg);
1516 	cfg.p = old_cfg.p;
1517 
1518 	if (cfg.m != old_cfg.m || cfg.n != old_cfg.n) {
1519 		state = clk_pll_is_enabled(hw);
1520 		if (state)
1521 			_clk_pll_disable(hw);
1522 
1523 		_update_pll_mnp(pll, &cfg);
1524 
1525 		if (state) {
1526 			_clk_pll_enable(hw);
1527 			ret = clk_pll_wait_for_lock(pll);
1528 		}
1529 	}
1530 
1531 	if (pll->lock)
1532 		spin_unlock_irqrestore(pll->lock, flags);
1533 
1534 	return ret;
1535 }
1536 
1537 static unsigned long clk_pllre_recalc_rate(struct clk_hw *hw,
1538 					 unsigned long parent_rate)
1539 {
1540 	struct tegra_clk_pll_freq_table cfg;
1541 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1542 	u64 rate = parent_rate;
1543 
1544 	_get_pll_mnp(pll, &cfg);
1545 
1546 	rate *= cfg.n;
1547 	do_div(rate, cfg.m);
1548 
1549 	return rate;
1550 }
1551 
1552 static long clk_pllre_round_rate(struct clk_hw *hw, unsigned long rate,
1553 				 unsigned long *prate)
1554 {
1555 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1556 
1557 	return _pllre_calc_rate(pll, NULL, rate, *prate);
1558 }
1559 
1560 static int clk_plle_tegra114_enable(struct clk_hw *hw)
1561 {
1562 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1563 	struct tegra_clk_pll_freq_table sel;
1564 	u32 val;
1565 	int ret;
1566 	unsigned long flags = 0;
1567 	unsigned long input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
1568 
1569 	if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
1570 		return -EINVAL;
1571 
1572 	if (pll->lock)
1573 		spin_lock_irqsave(pll->lock, flags);
1574 
1575 	val = pll_readl_base(pll);
1576 	val &= ~BIT(29); /* Disable lock override */
1577 	pll_writel_base(val, pll);
1578 
1579 	val = pll_readl(pll->params->aux_reg, pll);
1580 	val |= PLLE_AUX_ENABLE_SWCTL;
1581 	val &= ~PLLE_AUX_SEQ_ENABLE;
1582 	pll_writel(val, pll->params->aux_reg, pll);
1583 	udelay(1);
1584 
1585 	val = pll_readl_misc(pll);
1586 	val |= PLLE_MISC_LOCK_ENABLE;
1587 	val |= PLLE_MISC_IDDQ_SW_CTRL;
1588 	val &= ~PLLE_MISC_IDDQ_SW_VALUE;
1589 	val |= PLLE_MISC_PLLE_PTS;
1590 	val &= ~(PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK);
1591 	pll_writel_misc(val, pll);
1592 	udelay(5);
1593 
1594 	val = pll_readl(PLLE_SS_CTRL, pll);
1595 	val |= PLLE_SS_DISABLE;
1596 	pll_writel(val, PLLE_SS_CTRL, pll);
1597 
1598 	val = pll_readl_base(pll);
1599 	val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) |
1600 		 divm_mask_shifted(pll));
1601 	val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT);
1602 	val |= sel.m << divm_shift(pll);
1603 	val |= sel.n << divn_shift(pll);
1604 	val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
1605 	pll_writel_base(val, pll);
1606 	udelay(1);
1607 
1608 	_clk_pll_enable(hw);
1609 	ret = clk_pll_wait_for_lock(pll);
1610 
1611 	if (ret < 0)
1612 		goto out;
1613 
1614 	val = pll_readl(PLLE_SS_CTRL, pll);
1615 	val &= ~(PLLE_SS_CNTL_CENTER | PLLE_SS_CNTL_INVERT);
1616 	val &= ~PLLE_SS_COEFFICIENTS_MASK;
1617 	val |= PLLE_SS_COEFFICIENTS_VAL_TEGRA114;
1618 	pll_writel(val, PLLE_SS_CTRL, pll);
1619 	val &= ~(PLLE_SS_CNTL_SSC_BYP | PLLE_SS_CNTL_BYPASS_SS);
1620 	pll_writel(val, PLLE_SS_CTRL, pll);
1621 	udelay(1);
1622 	val &= ~PLLE_SS_CNTL_INTERP_RESET;
1623 	pll_writel(val, PLLE_SS_CTRL, pll);
1624 	udelay(1);
1625 
1626 	/* Enable hw control of xusb brick pll */
1627 	val = pll_readl_misc(pll);
1628 	val &= ~PLLE_MISC_IDDQ_SW_CTRL;
1629 	pll_writel_misc(val, pll);
1630 
1631 	val = pll_readl(pll->params->aux_reg, pll);
1632 	val |= (PLLE_AUX_USE_LOCKDET | PLLE_AUX_SEQ_START_STATE);
1633 	val &= ~(PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL);
1634 	pll_writel(val, pll->params->aux_reg, pll);
1635 	udelay(1);
1636 	val |= PLLE_AUX_SEQ_ENABLE;
1637 	pll_writel(val, pll->params->aux_reg, pll);
1638 
1639 	val = pll_readl(XUSBIO_PLL_CFG0, pll);
1640 	val |= (XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
1641 		XUSBIO_PLL_CFG0_SEQ_START_STATE);
1642 	val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
1643 		 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
1644 	pll_writel(val, XUSBIO_PLL_CFG0, pll);
1645 	udelay(1);
1646 	val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
1647 	pll_writel(val, XUSBIO_PLL_CFG0, pll);
1648 
1649 	/* Enable hw control of SATA pll */
1650 	val = pll_readl(SATA_PLL_CFG0, pll);
1651 	val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
1652 	val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET;
1653 	val |= SATA_PLL_CFG0_SEQ_START_STATE;
1654 	pll_writel(val, SATA_PLL_CFG0, pll);
1655 
1656 	udelay(1);
1657 
1658 	val = pll_readl(SATA_PLL_CFG0, pll);
1659 	val |= SATA_PLL_CFG0_SEQ_ENABLE;
1660 	pll_writel(val, SATA_PLL_CFG0, pll);
1661 
1662 out:
1663 	if (pll->lock)
1664 		spin_unlock_irqrestore(pll->lock, flags);
1665 
1666 	return ret;
1667 }
1668 
1669 static void clk_plle_tegra114_disable(struct clk_hw *hw)
1670 {
1671 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1672 	unsigned long flags = 0;
1673 	u32 val;
1674 
1675 	if (pll->lock)
1676 		spin_lock_irqsave(pll->lock, flags);
1677 
1678 	_clk_pll_disable(hw);
1679 
1680 	val = pll_readl_misc(pll);
1681 	val |= PLLE_MISC_IDDQ_SW_CTRL | PLLE_MISC_IDDQ_SW_VALUE;
1682 	pll_writel_misc(val, pll);
1683 	udelay(1);
1684 
1685 	if (pll->lock)
1686 		spin_unlock_irqrestore(pll->lock, flags);
1687 }
1688 
1689 static int clk_pllu_tegra114_enable(struct clk_hw *hw)
1690 {
1691 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1692 	const struct utmi_clk_param *params = NULL;
1693 	struct clk *osc = __clk_lookup("osc");
1694 	unsigned long flags = 0, input_rate;
1695 	unsigned int i;
1696 	int ret = 0;
1697 	u32 value;
1698 
1699 	if (!osc) {
1700 		pr_err("%s: failed to get OSC clock\n", __func__);
1701 		return -EINVAL;
1702 	}
1703 
1704 	input_rate = clk_hw_get_rate(__clk_get_hw(osc));
1705 
1706 	if (pll->lock)
1707 		spin_lock_irqsave(pll->lock, flags);
1708 
1709 	_clk_pll_enable(hw);
1710 
1711 	ret = clk_pll_wait_for_lock(pll);
1712 	if (ret < 0)
1713 		goto out;
1714 
1715 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
1716 		if (input_rate == utmi_parameters[i].osc_frequency) {
1717 			params = &utmi_parameters[i];
1718 			break;
1719 		}
1720 	}
1721 
1722 	if (!params) {
1723 		pr_err("%s: unexpected input rate %lu Hz\n", __func__,
1724 		       input_rate);
1725 		ret = -EINVAL;
1726 		goto out;
1727 	}
1728 
1729 	value = pll_readl_base(pll);
1730 	value &= ~PLLU_BASE_OVERRIDE;
1731 	pll_writel_base(value, pll);
1732 
1733 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG2);
1734 	/* Program UTMIP PLL stable and active counts */
1735 	value &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
1736 	value |= UTMIP_PLL_CFG2_STABLE_COUNT(params->stable_count);
1737 	value &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
1738 	value |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(params->active_delay_count);
1739 	/* Remove power downs from UTMIP PLL control bits */
1740 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
1741 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
1742 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
1743 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG2);
1744 
1745 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
1746 	/* Program UTMIP PLL delay and oscillator frequency counts */
1747 	value &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
1748 	value |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(params->enable_delay_count);
1749 	value &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
1750 	value |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(params->xtal_freq_count);
1751 	/* Remove power downs from UTMIP PLL control bits */
1752 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1753 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
1754 	value &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP;
1755 	value &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
1756 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG1);
1757 
1758 	/* Setup HW control of UTMIPLL */
1759 	value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1760 	value |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
1761 	value &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
1762 	value |= UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE;
1763 	writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1764 
1765 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
1766 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
1767 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1768 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG1);
1769 
1770 	udelay(1);
1771 
1772 	/*
1773 	 * Setup SW override of UTMIPLL assuming USB2.0 ports are assigned
1774 	 * to USB2
1775 	 */
1776 	value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1777 	value |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL;
1778 	value &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
1779 	writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1780 
1781 	udelay(1);
1782 
1783 	/* Enable HW control of UTMIPLL */
1784 	value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1785 	value |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
1786 	writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1787 
1788 out:
1789 	if (pll->lock)
1790 		spin_unlock_irqrestore(pll->lock, flags);
1791 
1792 	return ret;
1793 }
1794 #endif
1795 
1796 static struct tegra_clk_pll *_tegra_init_pll(void __iomem *clk_base,
1797 		void __iomem *pmc, struct tegra_clk_pll_params *pll_params,
1798 		spinlock_t *lock)
1799 {
1800 	struct tegra_clk_pll *pll;
1801 
1802 	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
1803 	if (!pll)
1804 		return ERR_PTR(-ENOMEM);
1805 
1806 	pll->clk_base = clk_base;
1807 	pll->pmc = pmc;
1808 
1809 	pll->params = pll_params;
1810 	pll->lock = lock;
1811 
1812 	if (!pll_params->div_nmp)
1813 		pll_params->div_nmp = &default_nmp;
1814 
1815 	return pll;
1816 }
1817 
1818 static struct clk *_tegra_clk_register_pll(struct tegra_clk_pll *pll,
1819 		const char *name, const char *parent_name, unsigned long flags,
1820 		const struct clk_ops *ops)
1821 {
1822 	struct clk_init_data init;
1823 
1824 	init.name = name;
1825 	init.ops = ops;
1826 	init.flags = flags;
1827 	init.parent_names = (parent_name ? &parent_name : NULL);
1828 	init.num_parents = (parent_name ? 1 : 0);
1829 
1830 	/* Default to _calc_rate if unspecified */
1831 	if (!pll->params->calc_rate) {
1832 		if (pll->params->flags & TEGRA_PLLM)
1833 			pll->params->calc_rate = _calc_dynamic_ramp_rate;
1834 		else
1835 			pll->params->calc_rate = _calc_rate;
1836 	}
1837 
1838 	if (pll->params->set_defaults)
1839 		pll->params->set_defaults(pll);
1840 
1841 	/* Data in .init is copied by clk_register(), so stack variable OK */
1842 	pll->hw.init = &init;
1843 
1844 	return clk_register(NULL, &pll->hw);
1845 }
1846 
1847 struct clk *tegra_clk_register_pll(const char *name, const char *parent_name,
1848 		void __iomem *clk_base, void __iomem *pmc,
1849 		unsigned long flags, struct tegra_clk_pll_params *pll_params,
1850 		spinlock_t *lock)
1851 {
1852 	struct tegra_clk_pll *pll;
1853 	struct clk *clk;
1854 
1855 	pll_params->flags |= TEGRA_PLL_BYPASS;
1856 
1857 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
1858 	if (IS_ERR(pll))
1859 		return ERR_CAST(pll);
1860 
1861 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
1862 				      &tegra_clk_pll_ops);
1863 	if (IS_ERR(clk))
1864 		kfree(pll);
1865 
1866 	return clk;
1867 }
1868 
1869 static struct div_nmp pll_e_nmp = {
1870 	.divn_shift = PLLE_BASE_DIVN_SHIFT,
1871 	.divn_width = PLLE_BASE_DIVN_WIDTH,
1872 	.divm_shift = PLLE_BASE_DIVM_SHIFT,
1873 	.divm_width = PLLE_BASE_DIVM_WIDTH,
1874 	.divp_shift = PLLE_BASE_DIVP_SHIFT,
1875 	.divp_width = PLLE_BASE_DIVP_WIDTH,
1876 };
1877 
1878 struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
1879 		void __iomem *clk_base, void __iomem *pmc,
1880 		unsigned long flags, struct tegra_clk_pll_params *pll_params,
1881 		spinlock_t *lock)
1882 {
1883 	struct tegra_clk_pll *pll;
1884 	struct clk *clk;
1885 
1886 	pll_params->flags |= TEGRA_PLL_BYPASS;
1887 
1888 	if (!pll_params->div_nmp)
1889 		pll_params->div_nmp = &pll_e_nmp;
1890 
1891 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
1892 	if (IS_ERR(pll))
1893 		return ERR_CAST(pll);
1894 
1895 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
1896 				      &tegra_clk_plle_ops);
1897 	if (IS_ERR(clk))
1898 		kfree(pll);
1899 
1900 	return clk;
1901 }
1902 
1903 struct clk *tegra_clk_register_pllu(const char *name, const char *parent_name,
1904 		void __iomem *clk_base, unsigned long flags,
1905 		struct tegra_clk_pll_params *pll_params, spinlock_t *lock)
1906 {
1907 	struct tegra_clk_pll *pll;
1908 	struct clk *clk;
1909 
1910 	pll_params->flags |= TEGRA_PLLU;
1911 
1912 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
1913 	if (IS_ERR(pll))
1914 		return ERR_CAST(pll);
1915 
1916 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
1917 				      &tegra_clk_pllu_ops);
1918 	if (IS_ERR(clk))
1919 		kfree(pll);
1920 
1921 	return clk;
1922 }
1923 
1924 #if defined(CONFIG_ARCH_TEGRA_114_SOC) || \
1925 	defined(CONFIG_ARCH_TEGRA_124_SOC) || \
1926 	defined(CONFIG_ARCH_TEGRA_132_SOC) || \
1927 	defined(CONFIG_ARCH_TEGRA_210_SOC)
1928 static const struct clk_ops tegra_clk_pllxc_ops = {
1929 	.is_enabled = clk_pll_is_enabled,
1930 	.enable = clk_pll_enable,
1931 	.disable = clk_pll_disable,
1932 	.recalc_rate = clk_pll_recalc_rate,
1933 	.round_rate = clk_pll_ramp_round_rate,
1934 	.set_rate = clk_pllxc_set_rate,
1935 };
1936 
1937 static const struct clk_ops tegra_clk_pllc_ops = {
1938 	.is_enabled = clk_pll_is_enabled,
1939 	.enable = clk_pllc_enable,
1940 	.disable = clk_pllc_disable,
1941 	.recalc_rate = clk_pll_recalc_rate,
1942 	.round_rate = clk_pll_ramp_round_rate,
1943 	.set_rate = clk_pllc_set_rate,
1944 };
1945 
1946 static const struct clk_ops tegra_clk_pllre_ops = {
1947 	.is_enabled = clk_pll_is_enabled,
1948 	.enable = clk_pll_enable,
1949 	.disable = clk_pll_disable,
1950 	.recalc_rate = clk_pllre_recalc_rate,
1951 	.round_rate = clk_pllre_round_rate,
1952 	.set_rate = clk_pllre_set_rate,
1953 };
1954 
1955 static const struct clk_ops tegra_clk_plle_tegra114_ops = {
1956 	.is_enabled =  clk_pll_is_enabled,
1957 	.enable = clk_plle_tegra114_enable,
1958 	.disable = clk_plle_tegra114_disable,
1959 	.recalc_rate = clk_pll_recalc_rate,
1960 };
1961 
1962 static const struct clk_ops tegra_clk_pllu_tegra114_ops = {
1963 	.is_enabled =  clk_pll_is_enabled,
1964 	.enable = clk_pllu_tegra114_enable,
1965 	.disable = clk_pll_disable,
1966 	.recalc_rate = clk_pll_recalc_rate,
1967 };
1968 
1969 struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
1970 			  void __iomem *clk_base, void __iomem *pmc,
1971 			  unsigned long flags,
1972 			  struct tegra_clk_pll_params *pll_params,
1973 			  spinlock_t *lock)
1974 {
1975 	struct tegra_clk_pll *pll;
1976 	struct clk *clk, *parent;
1977 	unsigned long parent_rate;
1978 	u32 val, val_iddq;
1979 
1980 	parent = __clk_lookup(parent_name);
1981 	if (!parent) {
1982 		WARN(1, "parent clk %s of %s must be registered first\n",
1983 			parent_name, name);
1984 		return ERR_PTR(-EINVAL);
1985 	}
1986 
1987 	if (!pll_params->pdiv_tohw)
1988 		return ERR_PTR(-EINVAL);
1989 
1990 	parent_rate = clk_get_rate(parent);
1991 
1992 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
1993 
1994 	if (pll_params->adjust_vco)
1995 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
1996 							     parent_rate);
1997 
1998 	/*
1999 	 * If the pll has a set_defaults callback, it will take care of
2000 	 * configuring dynamic ramping and setting IDDQ in that path.
2001 	 */
2002 	if (!pll_params->set_defaults) {
2003 		int err;
2004 
2005 		err = _setup_dynamic_ramp(pll_params, clk_base, parent_rate);
2006 		if (err)
2007 			return ERR_PTR(err);
2008 
2009 		val = readl_relaxed(clk_base + pll_params->base_reg);
2010 		val_iddq = readl_relaxed(clk_base + pll_params->iddq_reg);
2011 
2012 		if (val & PLL_BASE_ENABLE)
2013 			WARN_ON(val_iddq & BIT(pll_params->iddq_bit_idx));
2014 		else {
2015 			val_iddq |= BIT(pll_params->iddq_bit_idx);
2016 			writel_relaxed(val_iddq,
2017 				       clk_base + pll_params->iddq_reg);
2018 		}
2019 	}
2020 
2021 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2022 	if (IS_ERR(pll))
2023 		return ERR_CAST(pll);
2024 
2025 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2026 				      &tegra_clk_pllxc_ops);
2027 	if (IS_ERR(clk))
2028 		kfree(pll);
2029 
2030 	return clk;
2031 }
2032 
2033 struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
2034 			  void __iomem *clk_base, void __iomem *pmc,
2035 			  unsigned long flags,
2036 			  struct tegra_clk_pll_params *pll_params,
2037 			  spinlock_t *lock, unsigned long parent_rate)
2038 {
2039 	u32 val;
2040 	struct tegra_clk_pll *pll;
2041 	struct clk *clk;
2042 
2043 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2044 
2045 	if (pll_params->adjust_vco)
2046 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2047 							     parent_rate);
2048 
2049 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2050 	if (IS_ERR(pll))
2051 		return ERR_CAST(pll);
2052 
2053 	/* program minimum rate by default */
2054 
2055 	val = pll_readl_base(pll);
2056 	if (val & PLL_BASE_ENABLE)
2057 		WARN_ON(readl_relaxed(clk_base + pll_params->iddq_reg) &
2058 				BIT(pll_params->iddq_bit_idx));
2059 	else {
2060 		int m;
2061 
2062 		m = _pll_fixed_mdiv(pll_params, parent_rate);
2063 		val = m << divm_shift(pll);
2064 		val |= (pll_params->vco_min / parent_rate) << divn_shift(pll);
2065 		pll_writel_base(val, pll);
2066 	}
2067 
2068 	/* disable lock override */
2069 
2070 	val = pll_readl_misc(pll);
2071 	val &= ~BIT(29);
2072 	pll_writel_misc(val, pll);
2073 
2074 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2075 				      &tegra_clk_pllre_ops);
2076 	if (IS_ERR(clk))
2077 		kfree(pll);
2078 
2079 	return clk;
2080 }
2081 
2082 struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
2083 			  void __iomem *clk_base, void __iomem *pmc,
2084 			  unsigned long flags,
2085 			  struct tegra_clk_pll_params *pll_params,
2086 			  spinlock_t *lock)
2087 {
2088 	struct tegra_clk_pll *pll;
2089 	struct clk *clk, *parent;
2090 	unsigned long parent_rate;
2091 
2092 	if (!pll_params->pdiv_tohw)
2093 		return ERR_PTR(-EINVAL);
2094 
2095 	parent = __clk_lookup(parent_name);
2096 	if (!parent) {
2097 		WARN(1, "parent clk %s of %s must be registered first\n",
2098 			parent_name, name);
2099 		return ERR_PTR(-EINVAL);
2100 	}
2101 
2102 	parent_rate = clk_get_rate(parent);
2103 
2104 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2105 
2106 	if (pll_params->adjust_vco)
2107 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2108 							     parent_rate);
2109 
2110 	pll_params->flags |= TEGRA_PLL_BYPASS;
2111 	pll_params->flags |= TEGRA_PLLM;
2112 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2113 	if (IS_ERR(pll))
2114 		return ERR_CAST(pll);
2115 
2116 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2117 				      &tegra_clk_pll_ops);
2118 	if (IS_ERR(clk))
2119 		kfree(pll);
2120 
2121 	return clk;
2122 }
2123 
2124 struct clk *tegra_clk_register_pllc(const char *name, const char *parent_name,
2125 			  void __iomem *clk_base, void __iomem *pmc,
2126 			  unsigned long flags,
2127 			  struct tegra_clk_pll_params *pll_params,
2128 			  spinlock_t *lock)
2129 {
2130 	struct clk *parent, *clk;
2131 	const struct pdiv_map *p_tohw = pll_params->pdiv_tohw;
2132 	struct tegra_clk_pll *pll;
2133 	struct tegra_clk_pll_freq_table cfg;
2134 	unsigned long parent_rate;
2135 
2136 	if (!p_tohw)
2137 		return ERR_PTR(-EINVAL);
2138 
2139 	parent = __clk_lookup(parent_name);
2140 	if (!parent) {
2141 		WARN(1, "parent clk %s of %s must be registered first\n",
2142 			parent_name, name);
2143 		return ERR_PTR(-EINVAL);
2144 	}
2145 
2146 	parent_rate = clk_get_rate(parent);
2147 
2148 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2149 
2150 	pll_params->flags |= TEGRA_PLL_BYPASS;
2151 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2152 	if (IS_ERR(pll))
2153 		return ERR_CAST(pll);
2154 
2155 	/*
2156 	 * Most of PLLC register fields are shadowed, and can not be read
2157 	 * directly from PLL h/w. Hence, actual PLLC boot state is unknown.
2158 	 * Initialize PLL to default state: disabled, reset; shadow registers
2159 	 * loaded with default parameters; dividers are preset for half of
2160 	 * minimum VCO rate (the latter assured that shadowed divider settings
2161 	 * are within supported range).
2162 	 */
2163 
2164 	cfg.m = _pll_fixed_mdiv(pll_params, parent_rate);
2165 	cfg.n = cfg.m * pll_params->vco_min / parent_rate;
2166 
2167 	while (p_tohw->pdiv) {
2168 		if (p_tohw->pdiv == 2) {
2169 			cfg.p = p_tohw->hw_val;
2170 			break;
2171 		}
2172 		p_tohw++;
2173 	}
2174 
2175 	if (!p_tohw->pdiv) {
2176 		WARN_ON(1);
2177 		return ERR_PTR(-EINVAL);
2178 	}
2179 
2180 	pll_writel_base(0, pll);
2181 	_update_pll_mnp(pll, &cfg);
2182 
2183 	pll_writel_misc(PLLCX_MISC_DEFAULT, pll);
2184 	pll_writel(PLLCX_MISC1_DEFAULT, pll_params->ext_misc_reg[0], pll);
2185 	pll_writel(PLLCX_MISC2_DEFAULT, pll_params->ext_misc_reg[1], pll);
2186 	pll_writel(PLLCX_MISC3_DEFAULT, pll_params->ext_misc_reg[2], pll);
2187 
2188 	_pllcx_update_dynamic_coef(pll, parent_rate, cfg.n);
2189 
2190 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2191 				      &tegra_clk_pllc_ops);
2192 	if (IS_ERR(clk))
2193 		kfree(pll);
2194 
2195 	return clk;
2196 }
2197 
2198 struct clk *tegra_clk_register_plle_tegra114(const char *name,
2199 				const char *parent_name,
2200 				void __iomem *clk_base, unsigned long flags,
2201 				struct tegra_clk_pll_params *pll_params,
2202 				spinlock_t *lock)
2203 {
2204 	struct tegra_clk_pll *pll;
2205 	struct clk *clk;
2206 	u32 val, val_aux;
2207 
2208 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2209 	if (IS_ERR(pll))
2210 		return ERR_CAST(pll);
2211 
2212 	/* ensure parent is set to pll_re_vco */
2213 
2214 	val = pll_readl_base(pll);
2215 	val_aux = pll_readl(pll_params->aux_reg, pll);
2216 
2217 	if (val & PLL_BASE_ENABLE) {
2218 		if ((val_aux & PLLE_AUX_PLLRE_SEL) ||
2219 			(val_aux & PLLE_AUX_PLLP_SEL))
2220 			WARN(1, "pll_e enabled with unsupported parent %s\n",
2221 			  (val_aux & PLLE_AUX_PLLP_SEL) ? "pllp_out0" :
2222 					"pll_re_vco");
2223 	} else {
2224 		val_aux &= ~(PLLE_AUX_PLLRE_SEL | PLLE_AUX_PLLP_SEL);
2225 		pll_writel(val_aux, pll_params->aux_reg, pll);
2226 	}
2227 
2228 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2229 				      &tegra_clk_plle_tegra114_ops);
2230 	if (IS_ERR(clk))
2231 		kfree(pll);
2232 
2233 	return clk;
2234 }
2235 
2236 struct clk *
2237 tegra_clk_register_pllu_tegra114(const char *name, const char *parent_name,
2238 				 void __iomem *clk_base, unsigned long flags,
2239 				 struct tegra_clk_pll_params *pll_params,
2240 				 spinlock_t *lock)
2241 {
2242 	struct tegra_clk_pll *pll;
2243 	struct clk *clk;
2244 
2245 	pll_params->flags |= TEGRA_PLLU;
2246 
2247 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2248 	if (IS_ERR(pll))
2249 		return ERR_CAST(pll);
2250 
2251 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2252 				      &tegra_clk_pllu_tegra114_ops);
2253 	if (IS_ERR(clk))
2254 		kfree(pll);
2255 
2256 	return clk;
2257 }
2258 #endif
2259 
2260 #if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC) || defined(CONFIG_ARCH_TEGRA_210_SOC)
2261 static const struct clk_ops tegra_clk_pllss_ops = {
2262 	.is_enabled = clk_pll_is_enabled,
2263 	.enable = clk_pll_enable,
2264 	.disable = clk_pll_disable,
2265 	.recalc_rate = clk_pll_recalc_rate,
2266 	.round_rate = clk_pll_ramp_round_rate,
2267 	.set_rate = clk_pllxc_set_rate,
2268 };
2269 
2270 struct clk *tegra_clk_register_pllss(const char *name, const char *parent_name,
2271 				void __iomem *clk_base, unsigned long flags,
2272 				struct tegra_clk_pll_params *pll_params,
2273 				spinlock_t *lock)
2274 {
2275 	struct tegra_clk_pll *pll;
2276 	struct clk *clk, *parent;
2277 	struct tegra_clk_pll_freq_table cfg;
2278 	unsigned long parent_rate;
2279 	u32 val, val_iddq;
2280 	int i;
2281 
2282 	if (!pll_params->div_nmp)
2283 		return ERR_PTR(-EINVAL);
2284 
2285 	parent = __clk_lookup(parent_name);
2286 	if (!parent) {
2287 		WARN(1, "parent clk %s of %s must be registered first\n",
2288 			parent_name, name);
2289 		return ERR_PTR(-EINVAL);
2290 	}
2291 
2292 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2293 	if (IS_ERR(pll))
2294 		return ERR_CAST(pll);
2295 
2296 	val = pll_readl_base(pll);
2297 	val &= ~PLLSS_REF_SRC_SEL_MASK;
2298 	pll_writel_base(val, pll);
2299 
2300 	parent_rate = clk_get_rate(parent);
2301 
2302 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2303 
2304 	/* initialize PLL to minimum rate */
2305 
2306 	cfg.m = _pll_fixed_mdiv(pll_params, parent_rate);
2307 	cfg.n = cfg.m * pll_params->vco_min / parent_rate;
2308 
2309 	for (i = 0; pll_params->pdiv_tohw[i].pdiv; i++)
2310 		;
2311 	if (!i) {
2312 		kfree(pll);
2313 		return ERR_PTR(-EINVAL);
2314 	}
2315 
2316 	cfg.p = pll_params->pdiv_tohw[i-1].hw_val;
2317 
2318 	_update_pll_mnp(pll, &cfg);
2319 
2320 	pll_writel_misc(PLLSS_MISC_DEFAULT, pll);
2321 	pll_writel(PLLSS_CFG_DEFAULT, pll_params->ext_misc_reg[0], pll);
2322 	pll_writel(PLLSS_CTRL1_DEFAULT, pll_params->ext_misc_reg[1], pll);
2323 	pll_writel(PLLSS_CTRL1_DEFAULT, pll_params->ext_misc_reg[2], pll);
2324 
2325 	val = pll_readl_base(pll);
2326 	val_iddq = readl_relaxed(clk_base + pll_params->iddq_reg);
2327 	if (val & PLL_BASE_ENABLE) {
2328 		if (val_iddq & BIT(pll_params->iddq_bit_idx)) {
2329 			WARN(1, "%s is on but IDDQ set\n", name);
2330 			kfree(pll);
2331 			return ERR_PTR(-EINVAL);
2332 		}
2333 	} else {
2334 		val_iddq |= BIT(pll_params->iddq_bit_idx);
2335 		writel_relaxed(val_iddq, clk_base + pll_params->iddq_reg);
2336 	}
2337 
2338 	val &= ~PLLSS_LOCK_OVERRIDE;
2339 	pll_writel_base(val, pll);
2340 
2341 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2342 					&tegra_clk_pllss_ops);
2343 
2344 	if (IS_ERR(clk))
2345 		kfree(pll);
2346 
2347 	return clk;
2348 }
2349 #endif
2350 
2351 #if defined(CONFIG_ARCH_TEGRA_210_SOC)
2352 struct clk *tegra_clk_register_pllre_tegra210(const char *name,
2353 			  const char *parent_name, void __iomem *clk_base,
2354 			  void __iomem *pmc, unsigned long flags,
2355 			  struct tegra_clk_pll_params *pll_params,
2356 			  spinlock_t *lock, unsigned long parent_rate)
2357 {
2358 	u32 val;
2359 	struct tegra_clk_pll *pll;
2360 	struct clk *clk;
2361 
2362 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2363 
2364 	if (pll_params->adjust_vco)
2365 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2366 							     parent_rate);
2367 
2368 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2369 	if (IS_ERR(pll))
2370 		return ERR_CAST(pll);
2371 
2372 	/* program minimum rate by default */
2373 
2374 	val = pll_readl_base(pll);
2375 	if (val & PLL_BASE_ENABLE)
2376 		WARN_ON(readl_relaxed(clk_base + pll_params->iddq_reg) &
2377 				BIT(pll_params->iddq_bit_idx));
2378 	else {
2379 		val = 0x4 << divm_shift(pll);
2380 		val |= 0x41 << divn_shift(pll);
2381 		pll_writel_base(val, pll);
2382 	}
2383 
2384 	/* disable lock override */
2385 
2386 	val = pll_readl_misc(pll);
2387 	val &= ~BIT(29);
2388 	pll_writel_misc(val, pll);
2389 
2390 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2391 				      &tegra_clk_pllre_ops);
2392 	if (IS_ERR(clk))
2393 		kfree(pll);
2394 
2395 	return clk;
2396 }
2397 
2398 static int clk_plle_tegra210_enable(struct clk_hw *hw)
2399 {
2400 	struct tegra_clk_pll *pll = to_clk_pll(hw);
2401 	struct tegra_clk_pll_freq_table sel;
2402 	u32 val;
2403 	int ret = 0;
2404 	unsigned long flags = 0;
2405 	unsigned long input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
2406 
2407 	if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
2408 		return -EINVAL;
2409 
2410 	if (pll->lock)
2411 		spin_lock_irqsave(pll->lock, flags);
2412 
2413 	val = pll_readl(pll->params->aux_reg, pll);
2414 	if (val & PLLE_AUX_SEQ_ENABLE)
2415 		goto out;
2416 
2417 	val = pll_readl_base(pll);
2418 	val &= ~BIT(30); /* Disable lock override */
2419 	pll_writel_base(val, pll);
2420 
2421 	val = pll_readl_misc(pll);
2422 	val |= PLLE_MISC_LOCK_ENABLE;
2423 	val |= PLLE_MISC_IDDQ_SW_CTRL;
2424 	val &= ~PLLE_MISC_IDDQ_SW_VALUE;
2425 	val |= PLLE_MISC_PLLE_PTS;
2426 	val &= ~(PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK);
2427 	pll_writel_misc(val, pll);
2428 	udelay(5);
2429 
2430 	val = pll_readl(PLLE_SS_CTRL, pll);
2431 	val |= PLLE_SS_DISABLE;
2432 	pll_writel(val, PLLE_SS_CTRL, pll);
2433 
2434 	val = pll_readl_base(pll);
2435 	val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) |
2436 		 divm_mask_shifted(pll));
2437 	val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT);
2438 	val |= sel.m << divm_shift(pll);
2439 	val |= sel.n << divn_shift(pll);
2440 	val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
2441 	pll_writel_base(val, pll);
2442 	udelay(1);
2443 
2444 	val = pll_readl_base(pll);
2445 	val |= PLLE_BASE_ENABLE;
2446 	pll_writel_base(val, pll);
2447 
2448 	ret = clk_pll_wait_for_lock(pll);
2449 
2450 	if (ret < 0)
2451 		goto out;
2452 
2453 	val = pll_readl(PLLE_SS_CTRL, pll);
2454 	val &= ~(PLLE_SS_CNTL_CENTER | PLLE_SS_CNTL_INVERT);
2455 	val &= ~PLLE_SS_COEFFICIENTS_MASK;
2456 	val |= PLLE_SS_COEFFICIENTS_VAL_TEGRA210;
2457 	pll_writel(val, PLLE_SS_CTRL, pll);
2458 	val &= ~(PLLE_SS_CNTL_SSC_BYP | PLLE_SS_CNTL_BYPASS_SS);
2459 	pll_writel(val, PLLE_SS_CTRL, pll);
2460 	udelay(1);
2461 	val &= ~PLLE_SS_CNTL_INTERP_RESET;
2462 	pll_writel(val, PLLE_SS_CTRL, pll);
2463 	udelay(1);
2464 
2465 	val = pll_readl_misc(pll);
2466 	val &= ~PLLE_MISC_IDDQ_SW_CTRL;
2467 	pll_writel_misc(val, pll);
2468 
2469 	val = pll_readl(pll->params->aux_reg, pll);
2470 	val |= (PLLE_AUX_USE_LOCKDET | PLLE_AUX_SS_SEQ_INCLUDE);
2471 	val &= ~(PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL);
2472 	pll_writel(val, pll->params->aux_reg, pll);
2473 	udelay(1);
2474 	val |= PLLE_AUX_SEQ_ENABLE;
2475 	pll_writel(val, pll->params->aux_reg, pll);
2476 
2477 out:
2478 	if (pll->lock)
2479 		spin_unlock_irqrestore(pll->lock, flags);
2480 
2481 	return ret;
2482 }
2483 
2484 static void clk_plle_tegra210_disable(struct clk_hw *hw)
2485 {
2486 	struct tegra_clk_pll *pll = to_clk_pll(hw);
2487 	unsigned long flags = 0;
2488 	u32 val;
2489 
2490 	if (pll->lock)
2491 		spin_lock_irqsave(pll->lock, flags);
2492 
2493 	/* If PLLE HW sequencer is enabled, SW should not disable PLLE */
2494 	val = pll_readl(pll->params->aux_reg, pll);
2495 	if (val & PLLE_AUX_SEQ_ENABLE)
2496 		goto out;
2497 
2498 	val = pll_readl_base(pll);
2499 	val &= ~PLLE_BASE_ENABLE;
2500 	pll_writel_base(val, pll);
2501 
2502 	val = pll_readl(pll->params->aux_reg, pll);
2503 	val |= PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL;
2504 	pll_writel(val, pll->params->aux_reg, pll);
2505 
2506 	val = pll_readl_misc(pll);
2507 	val |= PLLE_MISC_IDDQ_SW_CTRL | PLLE_MISC_IDDQ_SW_VALUE;
2508 	pll_writel_misc(val, pll);
2509 	udelay(1);
2510 
2511 out:
2512 	if (pll->lock)
2513 		spin_unlock_irqrestore(pll->lock, flags);
2514 }
2515 
2516 static int clk_plle_tegra210_is_enabled(struct clk_hw *hw)
2517 {
2518 	struct tegra_clk_pll *pll = to_clk_pll(hw);
2519 	u32 val;
2520 
2521 	val = pll_readl_base(pll);
2522 
2523 	return val & PLLE_BASE_ENABLE ? 1 : 0;
2524 }
2525 
2526 static const struct clk_ops tegra_clk_plle_tegra210_ops = {
2527 	.is_enabled =  clk_plle_tegra210_is_enabled,
2528 	.enable = clk_plle_tegra210_enable,
2529 	.disable = clk_plle_tegra210_disable,
2530 	.recalc_rate = clk_pll_recalc_rate,
2531 };
2532 
2533 struct clk *tegra_clk_register_plle_tegra210(const char *name,
2534 				const char *parent_name,
2535 				void __iomem *clk_base, unsigned long flags,
2536 				struct tegra_clk_pll_params *pll_params,
2537 				spinlock_t *lock)
2538 {
2539 	struct tegra_clk_pll *pll;
2540 	struct clk *clk;
2541 	u32 val, val_aux;
2542 
2543 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2544 	if (IS_ERR(pll))
2545 		return ERR_CAST(pll);
2546 
2547 	/* ensure parent is set to pll_re_vco */
2548 
2549 	val = pll_readl_base(pll);
2550 	val_aux = pll_readl(pll_params->aux_reg, pll);
2551 
2552 	if (val & PLLE_BASE_ENABLE) {
2553 		if ((val_aux & PLLE_AUX_PLLRE_SEL) ||
2554 			(val_aux & PLLE_AUX_PLLP_SEL))
2555 			WARN(1, "pll_e enabled with unsupported parent %s\n",
2556 			  (val_aux & PLLE_AUX_PLLP_SEL) ? "pllp_out0" :
2557 					"pll_re_vco");
2558 	} else {
2559 		val_aux &= ~(PLLE_AUX_PLLRE_SEL | PLLE_AUX_PLLP_SEL);
2560 		pll_writel(val_aux, pll_params->aux_reg, pll);
2561 	}
2562 
2563 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2564 				      &tegra_clk_plle_tegra210_ops);
2565 	if (IS_ERR(clk))
2566 		kfree(pll);
2567 
2568 	return clk;
2569 }
2570 
2571 struct clk *tegra_clk_register_pllc_tegra210(const char *name,
2572 			const char *parent_name, void __iomem *clk_base,
2573 			void __iomem *pmc, unsigned long flags,
2574 			struct tegra_clk_pll_params *pll_params,
2575 			spinlock_t *lock)
2576 {
2577 	struct clk *parent, *clk;
2578 	const struct pdiv_map *p_tohw = pll_params->pdiv_tohw;
2579 	struct tegra_clk_pll *pll;
2580 	unsigned long parent_rate;
2581 
2582 	if (!p_tohw)
2583 		return ERR_PTR(-EINVAL);
2584 
2585 	parent = __clk_lookup(parent_name);
2586 	if (!parent) {
2587 		WARN(1, "parent clk %s of %s must be registered first\n",
2588 			name, parent_name);
2589 		return ERR_PTR(-EINVAL);
2590 	}
2591 
2592 	parent_rate = clk_get_rate(parent);
2593 
2594 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2595 
2596 	if (pll_params->adjust_vco)
2597 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2598 							     parent_rate);
2599 
2600 	pll_params->flags |= TEGRA_PLL_BYPASS;
2601 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2602 	if (IS_ERR(pll))
2603 		return ERR_CAST(pll);
2604 
2605 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2606 				      &tegra_clk_pll_ops);
2607 	if (IS_ERR(clk))
2608 		kfree(pll);
2609 
2610 	return clk;
2611 }
2612 
2613 struct clk *tegra_clk_register_pllxc_tegra210(const char *name,
2614 			const char *parent_name, void __iomem *clk_base,
2615 			void __iomem *pmc, unsigned long flags,
2616 			struct tegra_clk_pll_params *pll_params,
2617 			spinlock_t *lock)
2618 {
2619 	struct tegra_clk_pll *pll;
2620 	struct clk *clk, *parent;
2621 	unsigned long parent_rate;
2622 
2623 	parent = __clk_lookup(parent_name);
2624 	if (!parent) {
2625 		WARN(1, "parent clk %s of %s must be registered first\n",
2626 			name, parent_name);
2627 		return ERR_PTR(-EINVAL);
2628 	}
2629 
2630 	if (!pll_params->pdiv_tohw)
2631 		return ERR_PTR(-EINVAL);
2632 
2633 	parent_rate = clk_get_rate(parent);
2634 
2635 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2636 
2637 	if (pll_params->adjust_vco)
2638 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2639 							     parent_rate);
2640 
2641 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2642 	if (IS_ERR(pll))
2643 		return ERR_CAST(pll);
2644 
2645 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2646 				      &tegra_clk_pll_ops);
2647 	if (IS_ERR(clk))
2648 		kfree(pll);
2649 
2650 	return clk;
2651 }
2652 
2653 struct clk *tegra_clk_register_pllss_tegra210(const char *name,
2654 				const char *parent_name, void __iomem *clk_base,
2655 				unsigned long flags,
2656 				struct tegra_clk_pll_params *pll_params,
2657 				spinlock_t *lock)
2658 {
2659 	struct tegra_clk_pll *pll;
2660 	struct clk *clk, *parent;
2661 	struct tegra_clk_pll_freq_table cfg;
2662 	unsigned long parent_rate;
2663 	u32 val;
2664 	int i;
2665 
2666 	if (!pll_params->div_nmp)
2667 		return ERR_PTR(-EINVAL);
2668 
2669 	parent = __clk_lookup(parent_name);
2670 	if (!parent) {
2671 		WARN(1, "parent clk %s of %s must be registered first\n",
2672 			name, parent_name);
2673 		return ERR_PTR(-EINVAL);
2674 	}
2675 
2676 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2677 	if (IS_ERR(pll))
2678 		return ERR_CAST(pll);
2679 
2680 	val = pll_readl_base(pll);
2681 	val &= ~PLLSS_REF_SRC_SEL_MASK;
2682 	pll_writel_base(val, pll);
2683 
2684 	parent_rate = clk_get_rate(parent);
2685 
2686 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2687 
2688 	if (pll_params->adjust_vco)
2689 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2690 							     parent_rate);
2691 
2692 	/* initialize PLL to minimum rate */
2693 
2694 	cfg.m = _pll_fixed_mdiv(pll_params, parent_rate);
2695 	cfg.n = cfg.m * pll_params->vco_min / parent_rate;
2696 
2697 	for (i = 0; pll_params->pdiv_tohw[i].pdiv; i++)
2698 		;
2699 	if (!i) {
2700 		kfree(pll);
2701 		return ERR_PTR(-EINVAL);
2702 	}
2703 
2704 	cfg.p = pll_params->pdiv_tohw[i-1].hw_val;
2705 
2706 	_update_pll_mnp(pll, &cfg);
2707 
2708 	pll_writel_misc(PLLSS_MISC_DEFAULT, pll);
2709 
2710 	val = pll_readl_base(pll);
2711 	if (val & PLL_BASE_ENABLE) {
2712 		if (val & BIT(pll_params->iddq_bit_idx)) {
2713 			WARN(1, "%s is on but IDDQ set\n", name);
2714 			kfree(pll);
2715 			return ERR_PTR(-EINVAL);
2716 		}
2717 	} else
2718 		val |= BIT(pll_params->iddq_bit_idx);
2719 
2720 	val &= ~PLLSS_LOCK_OVERRIDE;
2721 	pll_writel_base(val, pll);
2722 
2723 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2724 					&tegra_clk_pll_ops);
2725 
2726 	if (IS_ERR(clk))
2727 		kfree(pll);
2728 
2729 	return clk;
2730 }
2731 
2732 struct clk *tegra_clk_register_pllmb(const char *name, const char *parent_name,
2733 			  void __iomem *clk_base, void __iomem *pmc,
2734 			  unsigned long flags,
2735 			  struct tegra_clk_pll_params *pll_params,
2736 			  spinlock_t *lock)
2737 {
2738 	struct tegra_clk_pll *pll;
2739 	struct clk *clk, *parent;
2740 	unsigned long parent_rate;
2741 
2742 	if (!pll_params->pdiv_tohw)
2743 		return ERR_PTR(-EINVAL);
2744 
2745 	parent = __clk_lookup(parent_name);
2746 	if (!parent) {
2747 		WARN(1, "parent clk %s of %s must be registered first\n",
2748 			parent_name, name);
2749 		return ERR_PTR(-EINVAL);
2750 	}
2751 
2752 	parent_rate = clk_get_rate(parent);
2753 
2754 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2755 
2756 	if (pll_params->adjust_vco)
2757 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2758 							     parent_rate);
2759 
2760 	pll_params->flags |= TEGRA_PLL_BYPASS;
2761 	pll_params->flags |= TEGRA_PLLMB;
2762 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2763 	if (IS_ERR(pll))
2764 		return ERR_CAST(pll);
2765 
2766 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2767 				      &tegra_clk_pll_ops);
2768 	if (IS_ERR(clk))
2769 		kfree(pll);
2770 
2771 	return clk;
2772 }
2773 
2774 #endif
2775