xref: /openbmc/linux/drivers/clk/tegra/clk-pll.c (revision 249592bf)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2012, 2013, NVIDIA CORPORATION.  All rights reserved.
4  */
5 
6 #include <linux/slab.h>
7 #include <linux/io.h>
8 #include <linux/delay.h>
9 #include <linux/err.h>
10 #include <linux/clk.h>
11 #include <linux/clk-provider.h>
12 
13 #include "clk.h"
14 
15 #define PLL_BASE_BYPASS BIT(31)
16 #define PLL_BASE_ENABLE BIT(30)
17 #define PLL_BASE_REF_ENABLE BIT(29)
18 #define PLL_BASE_OVERRIDE BIT(28)
19 
20 #define PLL_BASE_DIVP_SHIFT 20
21 #define PLL_BASE_DIVP_WIDTH 3
22 #define PLL_BASE_DIVN_SHIFT 8
23 #define PLL_BASE_DIVN_WIDTH 10
24 #define PLL_BASE_DIVM_SHIFT 0
25 #define PLL_BASE_DIVM_WIDTH 5
26 #define PLLU_POST_DIVP_MASK 0x1
27 
28 #define PLL_MISC_DCCON_SHIFT 20
29 #define PLL_MISC_CPCON_SHIFT 8
30 #define PLL_MISC_CPCON_WIDTH 4
31 #define PLL_MISC_CPCON_MASK ((1 << PLL_MISC_CPCON_WIDTH) - 1)
32 #define PLL_MISC_LFCON_SHIFT 4
33 #define PLL_MISC_LFCON_WIDTH 4
34 #define PLL_MISC_LFCON_MASK ((1 << PLL_MISC_LFCON_WIDTH) - 1)
35 #define PLL_MISC_VCOCON_SHIFT 0
36 #define PLL_MISC_VCOCON_WIDTH 4
37 #define PLL_MISC_VCOCON_MASK ((1 << PLL_MISC_VCOCON_WIDTH) - 1)
38 
39 #define OUT_OF_TABLE_CPCON 8
40 
41 #define PMC_PLLP_WB0_OVERRIDE 0xf8
42 #define PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE BIT(12)
43 #define PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE BIT(11)
44 
45 #define PLL_POST_LOCK_DELAY 50
46 
47 #define PLLDU_LFCON_SET_DIVN 600
48 
49 #define PLLE_BASE_DIVCML_SHIFT 24
50 #define PLLE_BASE_DIVCML_MASK 0xf
51 #define PLLE_BASE_DIVP_SHIFT 16
52 #define PLLE_BASE_DIVP_WIDTH 6
53 #define PLLE_BASE_DIVN_SHIFT 8
54 #define PLLE_BASE_DIVN_WIDTH 8
55 #define PLLE_BASE_DIVM_SHIFT 0
56 #define PLLE_BASE_DIVM_WIDTH 8
57 #define PLLE_BASE_ENABLE BIT(31)
58 
59 #define PLLE_MISC_SETUP_BASE_SHIFT 16
60 #define PLLE_MISC_SETUP_BASE_MASK (0xffff << PLLE_MISC_SETUP_BASE_SHIFT)
61 #define PLLE_MISC_LOCK_ENABLE BIT(9)
62 #define PLLE_MISC_READY BIT(15)
63 #define PLLE_MISC_SETUP_EX_SHIFT 2
64 #define PLLE_MISC_SETUP_EX_MASK (3 << PLLE_MISC_SETUP_EX_SHIFT)
65 #define PLLE_MISC_SETUP_MASK (PLLE_MISC_SETUP_BASE_MASK |	\
66 			      PLLE_MISC_SETUP_EX_MASK)
67 #define PLLE_MISC_SETUP_VALUE (7 << PLLE_MISC_SETUP_BASE_SHIFT)
68 
69 #define PLLE_SS_CTRL 0x68
70 #define PLLE_SS_CNTL_BYPASS_SS BIT(10)
71 #define PLLE_SS_CNTL_INTERP_RESET BIT(11)
72 #define PLLE_SS_CNTL_SSC_BYP BIT(12)
73 #define PLLE_SS_CNTL_CENTER BIT(14)
74 #define PLLE_SS_CNTL_INVERT BIT(15)
75 #define PLLE_SS_DISABLE (PLLE_SS_CNTL_BYPASS_SS | PLLE_SS_CNTL_INTERP_RESET |\
76 				PLLE_SS_CNTL_SSC_BYP)
77 #define PLLE_SS_MAX_MASK 0x1ff
78 #define PLLE_SS_MAX_VAL_TEGRA114 0x25
79 #define PLLE_SS_MAX_VAL_TEGRA210 0x21
80 #define PLLE_SS_INC_MASK (0xff << 16)
81 #define PLLE_SS_INC_VAL (0x1 << 16)
82 #define PLLE_SS_INCINTRV_MASK (0x3f << 24)
83 #define PLLE_SS_INCINTRV_VAL_TEGRA114 (0x20 << 24)
84 #define PLLE_SS_INCINTRV_VAL_TEGRA210 (0x23 << 24)
85 #define PLLE_SS_COEFFICIENTS_MASK \
86 	(PLLE_SS_MAX_MASK | PLLE_SS_INC_MASK | PLLE_SS_INCINTRV_MASK)
87 #define PLLE_SS_COEFFICIENTS_VAL_TEGRA114 \
88 	(PLLE_SS_MAX_VAL_TEGRA114 | PLLE_SS_INC_VAL |\
89 	 PLLE_SS_INCINTRV_VAL_TEGRA114)
90 #define PLLE_SS_COEFFICIENTS_VAL_TEGRA210 \
91 	(PLLE_SS_MAX_VAL_TEGRA210 | PLLE_SS_INC_VAL |\
92 	 PLLE_SS_INCINTRV_VAL_TEGRA210)
93 
94 #define PLLE_AUX_PLLP_SEL	BIT(2)
95 #define PLLE_AUX_USE_LOCKDET	BIT(3)
96 #define PLLE_AUX_ENABLE_SWCTL	BIT(4)
97 #define PLLE_AUX_SS_SWCTL	BIT(6)
98 #define PLLE_AUX_SEQ_ENABLE	BIT(24)
99 #define PLLE_AUX_SEQ_START_STATE BIT(25)
100 #define PLLE_AUX_PLLRE_SEL	BIT(28)
101 #define PLLE_AUX_SS_SEQ_INCLUDE	BIT(31)
102 
103 #define XUSBIO_PLL_CFG0		0x51c
104 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
105 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL	BIT(2)
106 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(6)
107 #define XUSBIO_PLL_CFG0_SEQ_ENABLE		BIT(24)
108 #define XUSBIO_PLL_CFG0_SEQ_START_STATE		BIT(25)
109 
110 #define SATA_PLL_CFG0		0x490
111 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
112 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(2)
113 #define SATA_PLL_CFG0_SEQ_ENABLE		BIT(24)
114 #define SATA_PLL_CFG0_SEQ_START_STATE		BIT(25)
115 
116 #define PLLE_MISC_PLLE_PTS	BIT(8)
117 #define PLLE_MISC_IDDQ_SW_VALUE	BIT(13)
118 #define PLLE_MISC_IDDQ_SW_CTRL	BIT(14)
119 #define PLLE_MISC_VREG_BG_CTRL_SHIFT	4
120 #define PLLE_MISC_VREG_BG_CTRL_MASK	(3 << PLLE_MISC_VREG_BG_CTRL_SHIFT)
121 #define PLLE_MISC_VREG_CTRL_SHIFT	2
122 #define PLLE_MISC_VREG_CTRL_MASK	(2 << PLLE_MISC_VREG_CTRL_SHIFT)
123 
124 #define PLLCX_MISC_STROBE	BIT(31)
125 #define PLLCX_MISC_RESET	BIT(30)
126 #define PLLCX_MISC_SDM_DIV_SHIFT 28
127 #define PLLCX_MISC_SDM_DIV_MASK (0x3 << PLLCX_MISC_SDM_DIV_SHIFT)
128 #define PLLCX_MISC_FILT_DIV_SHIFT 26
129 #define PLLCX_MISC_FILT_DIV_MASK (0x3 << PLLCX_MISC_FILT_DIV_SHIFT)
130 #define PLLCX_MISC_ALPHA_SHIFT 18
131 #define PLLCX_MISC_DIV_LOW_RANGE \
132 		((0x1 << PLLCX_MISC_SDM_DIV_SHIFT) | \
133 		(0x1 << PLLCX_MISC_FILT_DIV_SHIFT))
134 #define PLLCX_MISC_DIV_HIGH_RANGE \
135 		((0x2 << PLLCX_MISC_SDM_DIV_SHIFT) | \
136 		(0x2 << PLLCX_MISC_FILT_DIV_SHIFT))
137 #define PLLCX_MISC_COEF_LOW_RANGE \
138 		((0x14 << PLLCX_MISC_KA_SHIFT) | (0x38 << PLLCX_MISC_KB_SHIFT))
139 #define PLLCX_MISC_KA_SHIFT 2
140 #define PLLCX_MISC_KB_SHIFT 9
141 #define PLLCX_MISC_DEFAULT (PLLCX_MISC_COEF_LOW_RANGE | \
142 			    (0x19 << PLLCX_MISC_ALPHA_SHIFT) | \
143 			    PLLCX_MISC_DIV_LOW_RANGE | \
144 			    PLLCX_MISC_RESET)
145 #define PLLCX_MISC1_DEFAULT 0x000d2308
146 #define PLLCX_MISC2_DEFAULT 0x30211200
147 #define PLLCX_MISC3_DEFAULT 0x200
148 
149 #define PMC_SATA_PWRGT 0x1ac
150 #define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE BIT(5)
151 #define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL BIT(4)
152 
153 #define PLLSS_MISC_KCP		0
154 #define PLLSS_MISC_KVCO		0
155 #define PLLSS_MISC_SETUP	0
156 #define PLLSS_EN_SDM		0
157 #define PLLSS_EN_SSC		0
158 #define PLLSS_EN_DITHER2	0
159 #define PLLSS_EN_DITHER		1
160 #define PLLSS_SDM_RESET		0
161 #define PLLSS_CLAMP		0
162 #define PLLSS_SDM_SSC_MAX	0
163 #define PLLSS_SDM_SSC_MIN	0
164 #define PLLSS_SDM_SSC_STEP	0
165 #define PLLSS_SDM_DIN		0
166 #define PLLSS_MISC_DEFAULT ((PLLSS_MISC_KCP << 25) | \
167 			    (PLLSS_MISC_KVCO << 24) | \
168 			    PLLSS_MISC_SETUP)
169 #define PLLSS_CFG_DEFAULT ((PLLSS_EN_SDM << 31) | \
170 			   (PLLSS_EN_SSC << 30) | \
171 			   (PLLSS_EN_DITHER2 << 29) | \
172 			   (PLLSS_EN_DITHER << 28) | \
173 			   (PLLSS_SDM_RESET) << 27 | \
174 			   (PLLSS_CLAMP << 22))
175 #define PLLSS_CTRL1_DEFAULT \
176 			((PLLSS_SDM_SSC_MAX << 16) | PLLSS_SDM_SSC_MIN)
177 #define PLLSS_CTRL2_DEFAULT \
178 			((PLLSS_SDM_SSC_STEP << 16) | PLLSS_SDM_DIN)
179 #define PLLSS_LOCK_OVERRIDE	BIT(24)
180 #define PLLSS_REF_SRC_SEL_SHIFT	25
181 #define PLLSS_REF_SRC_SEL_MASK	(3 << PLLSS_REF_SRC_SEL_SHIFT)
182 
183 #define UTMIP_PLL_CFG1 0x484
184 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
185 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
186 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
187 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
188 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
189 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
190 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
191 
192 #define UTMIP_PLL_CFG2 0x488
193 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
194 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
195 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
196 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
197 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
198 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
199 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
200 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
201 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
202 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
203 #define UTMIP_PLL_CFG2_PHY_XTAL_CLOCKEN BIT(30)
204 
205 #define UTMIPLL_HW_PWRDN_CFG0 0x52c
206 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL BIT(0)
207 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE BIT(1)
208 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
209 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL BIT(4)
210 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE BIT(5)
211 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
212 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
213 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE BIT(25)
214 
215 #define PLLU_HW_PWRDN_CFG0 0x530
216 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL BIT(0)
217 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL BIT(2)
218 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET BIT(6)
219 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT BIT(7)
220 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE BIT(24)
221 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE BIT(28)
222 
223 #define XUSB_PLL_CFG0 0x534
224 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY 0x3ff
225 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY (0x3ff << 14)
226 
227 #define PLLU_BASE_CLKENABLE_USB BIT(21)
228 #define PLLU_BASE_OVERRIDE BIT(24)
229 
230 #define pll_readl(offset, p) readl_relaxed(p->clk_base + offset)
231 #define pll_readl_base(p) pll_readl(p->params->base_reg, p)
232 #define pll_readl_misc(p) pll_readl(p->params->misc_reg, p)
233 #define pll_override_readl(offset, p) readl_relaxed(p->pmc + offset)
234 #define pll_readl_sdm_din(p) pll_readl(p->params->sdm_din_reg, p)
235 #define pll_readl_sdm_ctrl(p) pll_readl(p->params->sdm_ctrl_reg, p)
236 
237 #define pll_writel(val, offset, p) writel_relaxed(val, p->clk_base + offset)
238 #define pll_writel_base(val, p) pll_writel(val, p->params->base_reg, p)
239 #define pll_writel_misc(val, p) pll_writel(val, p->params->misc_reg, p)
240 #define pll_override_writel(val, offset, p) writel(val, p->pmc + offset)
241 #define pll_writel_sdm_din(val, p) pll_writel(val, p->params->sdm_din_reg, p)
242 #define pll_writel_sdm_ctrl(val, p) pll_writel(val, p->params->sdm_ctrl_reg, p)
243 
244 #define mask(w) ((1 << (w)) - 1)
245 #define divm_mask(p) mask(p->params->div_nmp->divm_width)
246 #define divn_mask(p) mask(p->params->div_nmp->divn_width)
247 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
248 		      mask(p->params->div_nmp->divp_width))
249 #define sdm_din_mask(p) p->params->sdm_din_mask
250 #define sdm_en_mask(p) p->params->sdm_ctrl_en_mask
251 
252 #define divm_shift(p) (p)->params->div_nmp->divm_shift
253 #define divn_shift(p) (p)->params->div_nmp->divn_shift
254 #define divp_shift(p) (p)->params->div_nmp->divp_shift
255 
256 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
257 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
258 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
259 
260 #define divm_max(p) (divm_mask(p))
261 #define divn_max(p) (divn_mask(p))
262 #define divp_max(p) (1 << (divp_mask(p)))
263 
264 #define sdin_din_to_data(din)	((u16)((din) ? : 0xFFFFU))
265 #define sdin_data_to_din(dat)	(((dat) == 0xFFFFU) ? 0 : (s16)dat)
266 
267 static struct div_nmp default_nmp = {
268 	.divn_shift = PLL_BASE_DIVN_SHIFT,
269 	.divn_width = PLL_BASE_DIVN_WIDTH,
270 	.divm_shift = PLL_BASE_DIVM_SHIFT,
271 	.divm_width = PLL_BASE_DIVM_WIDTH,
272 	.divp_shift = PLL_BASE_DIVP_SHIFT,
273 	.divp_width = PLL_BASE_DIVP_WIDTH,
274 };
275 
276 static void clk_pll_enable_lock(struct tegra_clk_pll *pll)
277 {
278 	u32 val;
279 
280 	if (!(pll->params->flags & TEGRA_PLL_USE_LOCK))
281 		return;
282 
283 	if (!(pll->params->flags & TEGRA_PLL_HAS_LOCK_ENABLE))
284 		return;
285 
286 	val = pll_readl_misc(pll);
287 	val |= BIT(pll->params->lock_enable_bit_idx);
288 	pll_writel_misc(val, pll);
289 }
290 
291 static int clk_pll_wait_for_lock(struct tegra_clk_pll *pll)
292 {
293 	int i;
294 	u32 val, lock_mask;
295 	void __iomem *lock_addr;
296 
297 	if (!(pll->params->flags & TEGRA_PLL_USE_LOCK)) {
298 		udelay(pll->params->lock_delay);
299 		return 0;
300 	}
301 
302 	lock_addr = pll->clk_base;
303 	if (pll->params->flags & TEGRA_PLL_LOCK_MISC)
304 		lock_addr += pll->params->misc_reg;
305 	else
306 		lock_addr += pll->params->base_reg;
307 
308 	lock_mask = pll->params->lock_mask;
309 
310 	for (i = 0; i < pll->params->lock_delay; i++) {
311 		val = readl_relaxed(lock_addr);
312 		if ((val & lock_mask) == lock_mask) {
313 			udelay(PLL_POST_LOCK_DELAY);
314 			return 0;
315 		}
316 		udelay(2); /* timeout = 2 * lock time */
317 	}
318 
319 	pr_err("%s: Timed out waiting for pll %s lock\n", __func__,
320 	       clk_hw_get_name(&pll->hw));
321 
322 	return -1;
323 }
324 
325 int tegra_pll_wait_for_lock(struct tegra_clk_pll *pll)
326 {
327 	return clk_pll_wait_for_lock(pll);
328 }
329 
330 static bool pllm_clk_is_gated_by_pmc(struct tegra_clk_pll *pll)
331 {
332 	u32 val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
333 
334 	return (val & PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE) &&
335 	      !(val & PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE);
336 }
337 
338 static int clk_pll_is_enabled(struct clk_hw *hw)
339 {
340 	struct tegra_clk_pll *pll = to_clk_pll(hw);
341 	u32 val;
342 
343 	/*
344 	 * Power Management Controller (PMC) can override the PLLM clock
345 	 * settings, including the enable-state. The PLLM is enabled when
346 	 * PLLM's CaR state is ON and when PLLM isn't gated by PMC.
347 	 */
348 	if ((pll->params->flags & TEGRA_PLLM) && pllm_clk_is_gated_by_pmc(pll))
349 		return 0;
350 
351 	val = pll_readl_base(pll);
352 
353 	return val & PLL_BASE_ENABLE ? 1 : 0;
354 }
355 
356 static void _clk_pll_enable(struct clk_hw *hw)
357 {
358 	struct tegra_clk_pll *pll = to_clk_pll(hw);
359 	u32 val;
360 
361 	if (pll->params->iddq_reg) {
362 		val = pll_readl(pll->params->iddq_reg, pll);
363 		val &= ~BIT(pll->params->iddq_bit_idx);
364 		pll_writel(val, pll->params->iddq_reg, pll);
365 		udelay(5);
366 	}
367 
368 	if (pll->params->reset_reg) {
369 		val = pll_readl(pll->params->reset_reg, pll);
370 		val &= ~BIT(pll->params->reset_bit_idx);
371 		pll_writel(val, pll->params->reset_reg, pll);
372 	}
373 
374 	clk_pll_enable_lock(pll);
375 
376 	val = pll_readl_base(pll);
377 	if (pll->params->flags & TEGRA_PLL_BYPASS)
378 		val &= ~PLL_BASE_BYPASS;
379 	val |= PLL_BASE_ENABLE;
380 	pll_writel_base(val, pll);
381 
382 	if (pll->params->flags & TEGRA_PLLM) {
383 		val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
384 		val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
385 		writel_relaxed(val, pll->pmc + PMC_PLLP_WB0_OVERRIDE);
386 	}
387 }
388 
389 static void _clk_pll_disable(struct clk_hw *hw)
390 {
391 	struct tegra_clk_pll *pll = to_clk_pll(hw);
392 	u32 val;
393 
394 	val = pll_readl_base(pll);
395 	if (pll->params->flags & TEGRA_PLL_BYPASS)
396 		val &= ~PLL_BASE_BYPASS;
397 	val &= ~PLL_BASE_ENABLE;
398 	pll_writel_base(val, pll);
399 
400 	if (pll->params->flags & TEGRA_PLLM) {
401 		val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
402 		val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
403 		writel_relaxed(val, pll->pmc + PMC_PLLP_WB0_OVERRIDE);
404 	}
405 
406 	if (pll->params->reset_reg) {
407 		val = pll_readl(pll->params->reset_reg, pll);
408 		val |= BIT(pll->params->reset_bit_idx);
409 		pll_writel(val, pll->params->reset_reg, pll);
410 	}
411 
412 	if (pll->params->iddq_reg) {
413 		val = pll_readl(pll->params->iddq_reg, pll);
414 		val |= BIT(pll->params->iddq_bit_idx);
415 		pll_writel(val, pll->params->iddq_reg, pll);
416 		udelay(2);
417 	}
418 }
419 
420 static void pll_clk_start_ss(struct tegra_clk_pll *pll)
421 {
422 	if (pll->params->defaults_set && pll->params->ssc_ctrl_reg) {
423 		u32 val = pll_readl(pll->params->ssc_ctrl_reg, pll);
424 
425 		val |= pll->params->ssc_ctrl_en_mask;
426 		pll_writel(val, pll->params->ssc_ctrl_reg, pll);
427 	}
428 }
429 
430 static void pll_clk_stop_ss(struct tegra_clk_pll *pll)
431 {
432 	if (pll->params->defaults_set && pll->params->ssc_ctrl_reg) {
433 		u32 val = pll_readl(pll->params->ssc_ctrl_reg, pll);
434 
435 		val &= ~pll->params->ssc_ctrl_en_mask;
436 		pll_writel(val, pll->params->ssc_ctrl_reg, pll);
437 	}
438 }
439 
440 static int clk_pll_enable(struct clk_hw *hw)
441 {
442 	struct tegra_clk_pll *pll = to_clk_pll(hw);
443 	unsigned long flags = 0;
444 	int ret;
445 
446 	if (clk_pll_is_enabled(hw))
447 		return 0;
448 
449 	if (pll->lock)
450 		spin_lock_irqsave(pll->lock, flags);
451 
452 	_clk_pll_enable(hw);
453 
454 	ret = clk_pll_wait_for_lock(pll);
455 
456 	pll_clk_start_ss(pll);
457 
458 	if (pll->lock)
459 		spin_unlock_irqrestore(pll->lock, flags);
460 
461 	return ret;
462 }
463 
464 static void clk_pll_disable(struct clk_hw *hw)
465 {
466 	struct tegra_clk_pll *pll = to_clk_pll(hw);
467 	unsigned long flags = 0;
468 
469 	if (pll->lock)
470 		spin_lock_irqsave(pll->lock, flags);
471 
472 	pll_clk_stop_ss(pll);
473 
474 	_clk_pll_disable(hw);
475 
476 	if (pll->lock)
477 		spin_unlock_irqrestore(pll->lock, flags);
478 }
479 
480 static int _p_div_to_hw(struct clk_hw *hw, u8 p_div)
481 {
482 	struct tegra_clk_pll *pll = to_clk_pll(hw);
483 	const struct pdiv_map *p_tohw = pll->params->pdiv_tohw;
484 
485 	if (p_tohw) {
486 		while (p_tohw->pdiv) {
487 			if (p_div <= p_tohw->pdiv)
488 				return p_tohw->hw_val;
489 			p_tohw++;
490 		}
491 		return -EINVAL;
492 	}
493 	return -EINVAL;
494 }
495 
496 int tegra_pll_p_div_to_hw(struct tegra_clk_pll *pll, u8 p_div)
497 {
498 	return _p_div_to_hw(&pll->hw, p_div);
499 }
500 
501 static int _hw_to_p_div(struct clk_hw *hw, u8 p_div_hw)
502 {
503 	struct tegra_clk_pll *pll = to_clk_pll(hw);
504 	const struct pdiv_map *p_tohw = pll->params->pdiv_tohw;
505 
506 	if (p_tohw) {
507 		while (p_tohw->pdiv) {
508 			if (p_div_hw == p_tohw->hw_val)
509 				return p_tohw->pdiv;
510 			p_tohw++;
511 		}
512 		return -EINVAL;
513 	}
514 
515 	return 1 << p_div_hw;
516 }
517 
518 static int _get_table_rate(struct clk_hw *hw,
519 			   struct tegra_clk_pll_freq_table *cfg,
520 			   unsigned long rate, unsigned long parent_rate)
521 {
522 	struct tegra_clk_pll *pll = to_clk_pll(hw);
523 	struct tegra_clk_pll_freq_table *sel;
524 	int p;
525 
526 	for (sel = pll->params->freq_table; sel->input_rate != 0; sel++)
527 		if (sel->input_rate == parent_rate &&
528 		    sel->output_rate == rate)
529 			break;
530 
531 	if (sel->input_rate == 0)
532 		return -EINVAL;
533 
534 	if (pll->params->pdiv_tohw) {
535 		p = _p_div_to_hw(hw, sel->p);
536 		if (p < 0)
537 			return p;
538 	} else {
539 		p = ilog2(sel->p);
540 	}
541 
542 	cfg->input_rate = sel->input_rate;
543 	cfg->output_rate = sel->output_rate;
544 	cfg->m = sel->m;
545 	cfg->n = sel->n;
546 	cfg->p = p;
547 	cfg->cpcon = sel->cpcon;
548 	cfg->sdm_data = sel->sdm_data;
549 
550 	return 0;
551 }
552 
553 static int _calc_rate(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
554 		      unsigned long rate, unsigned long parent_rate)
555 {
556 	struct tegra_clk_pll *pll = to_clk_pll(hw);
557 	unsigned long cfreq;
558 	u32 p_div = 0;
559 	int ret;
560 
561 	switch (parent_rate) {
562 	case 12000000:
563 	case 26000000:
564 		cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000;
565 		break;
566 	case 13000000:
567 		cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000;
568 		break;
569 	case 16800000:
570 	case 19200000:
571 		cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000;
572 		break;
573 	case 9600000:
574 	case 28800000:
575 		/*
576 		 * PLL_P_OUT1 rate is not listed in PLLA table
577 		 */
578 		cfreq = parent_rate / (parent_rate / 1000000);
579 		break;
580 	default:
581 		pr_err("%s Unexpected reference rate %lu\n",
582 		       __func__, parent_rate);
583 		BUG();
584 	}
585 
586 	/* Raise VCO to guarantee 0.5% accuracy */
587 	for (cfg->output_rate = rate; cfg->output_rate < 200 * cfreq;
588 	     cfg->output_rate <<= 1)
589 		p_div++;
590 
591 	cfg->m = parent_rate / cfreq;
592 	cfg->n = cfg->output_rate / cfreq;
593 	cfg->cpcon = OUT_OF_TABLE_CPCON;
594 
595 	if (cfg->m == 0 || cfg->m > divm_max(pll) ||
596 	    cfg->n > divn_max(pll) || (1 << p_div) > divp_max(pll) ||
597 	    cfg->output_rate > pll->params->vco_max) {
598 		return -EINVAL;
599 	}
600 
601 	cfg->output_rate = cfg->n * DIV_ROUND_UP(parent_rate, cfg->m);
602 	cfg->output_rate >>= p_div;
603 
604 	if (pll->params->pdiv_tohw) {
605 		ret = _p_div_to_hw(hw, 1 << p_div);
606 		if (ret < 0)
607 			return ret;
608 		else
609 			cfg->p = ret;
610 	} else
611 		cfg->p = p_div;
612 
613 	return 0;
614 }
615 
616 /*
617  * SDM (Sigma Delta Modulator) divisor is 16-bit 2's complement signed number
618  * within (-2^12 ... 2^12-1) range. Represented in PLL data structure as
619  * unsigned 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used
620  * to indicate that SDM is disabled.
621  *
622  * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
623  */
624 static void clk_pll_set_sdm_data(struct clk_hw *hw,
625 				 struct tegra_clk_pll_freq_table *cfg)
626 {
627 	struct tegra_clk_pll *pll = to_clk_pll(hw);
628 	u32 val;
629 	bool enabled;
630 
631 	if (!pll->params->sdm_din_reg)
632 		return;
633 
634 	if (cfg->sdm_data) {
635 		val = pll_readl_sdm_din(pll) & (~sdm_din_mask(pll));
636 		val |= sdin_data_to_din(cfg->sdm_data) & sdm_din_mask(pll);
637 		pll_writel_sdm_din(val, pll);
638 	}
639 
640 	val = pll_readl_sdm_ctrl(pll);
641 	enabled = (val & sdm_en_mask(pll));
642 
643 	if (cfg->sdm_data == 0 && enabled)
644 		val &= ~pll->params->sdm_ctrl_en_mask;
645 
646 	if (cfg->sdm_data != 0 && !enabled)
647 		val |= pll->params->sdm_ctrl_en_mask;
648 
649 	pll_writel_sdm_ctrl(val, pll);
650 }
651 
652 static void _update_pll_mnp(struct tegra_clk_pll *pll,
653 			    struct tegra_clk_pll_freq_table *cfg)
654 {
655 	u32 val;
656 	struct tegra_clk_pll_params *params = pll->params;
657 	struct div_nmp *div_nmp = params->div_nmp;
658 
659 	if ((params->flags & (TEGRA_PLLM | TEGRA_PLLMB)) &&
660 		(pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
661 			PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
662 		val = pll_override_readl(params->pmc_divp_reg, pll);
663 		val &= ~(divp_mask(pll) << div_nmp->override_divp_shift);
664 		val |= cfg->p << div_nmp->override_divp_shift;
665 		pll_override_writel(val, params->pmc_divp_reg, pll);
666 
667 		val = pll_override_readl(params->pmc_divnm_reg, pll);
668 		val &= ~((divm_mask(pll) << div_nmp->override_divm_shift) |
669 			(divn_mask(pll) << div_nmp->override_divn_shift));
670 		val |= (cfg->m << div_nmp->override_divm_shift) |
671 			(cfg->n << div_nmp->override_divn_shift);
672 		pll_override_writel(val, params->pmc_divnm_reg, pll);
673 	} else {
674 		val = pll_readl_base(pll);
675 
676 		val &= ~(divm_mask_shifted(pll) | divn_mask_shifted(pll) |
677 			 divp_mask_shifted(pll));
678 
679 		val |= (cfg->m << divm_shift(pll)) |
680 		       (cfg->n << divn_shift(pll)) |
681 		       (cfg->p << divp_shift(pll));
682 
683 		pll_writel_base(val, pll);
684 
685 		clk_pll_set_sdm_data(&pll->hw, cfg);
686 	}
687 }
688 
689 static void _get_pll_mnp(struct tegra_clk_pll *pll,
690 			 struct tegra_clk_pll_freq_table *cfg)
691 {
692 	u32 val;
693 	struct tegra_clk_pll_params *params = pll->params;
694 	struct div_nmp *div_nmp = params->div_nmp;
695 
696 	*cfg = (struct tegra_clk_pll_freq_table) { };
697 
698 	if ((params->flags & (TEGRA_PLLM | TEGRA_PLLMB)) &&
699 		(pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
700 			PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
701 		val = pll_override_readl(params->pmc_divp_reg, pll);
702 		cfg->p = (val >> div_nmp->override_divp_shift) & divp_mask(pll);
703 
704 		val = pll_override_readl(params->pmc_divnm_reg, pll);
705 		cfg->m = (val >> div_nmp->override_divm_shift) & divm_mask(pll);
706 		cfg->n = (val >> div_nmp->override_divn_shift) & divn_mask(pll);
707 	}  else {
708 		val = pll_readl_base(pll);
709 
710 		cfg->m = (val >> div_nmp->divm_shift) & divm_mask(pll);
711 		cfg->n = (val >> div_nmp->divn_shift) & divn_mask(pll);
712 		cfg->p = (val >> div_nmp->divp_shift) & divp_mask(pll);
713 
714 		if (pll->params->sdm_din_reg) {
715 			if (sdm_en_mask(pll) & pll_readl_sdm_ctrl(pll)) {
716 				val = pll_readl_sdm_din(pll);
717 				val &= sdm_din_mask(pll);
718 				cfg->sdm_data = sdin_din_to_data(val);
719 			}
720 		}
721 	}
722 }
723 
724 static void _update_pll_cpcon(struct tegra_clk_pll *pll,
725 			      struct tegra_clk_pll_freq_table *cfg,
726 			      unsigned long rate)
727 {
728 	u32 val;
729 
730 	val = pll_readl_misc(pll);
731 
732 	val &= ~(PLL_MISC_CPCON_MASK << PLL_MISC_CPCON_SHIFT);
733 	val |= cfg->cpcon << PLL_MISC_CPCON_SHIFT;
734 
735 	if (pll->params->flags & TEGRA_PLL_SET_LFCON) {
736 		val &= ~(PLL_MISC_LFCON_MASK << PLL_MISC_LFCON_SHIFT);
737 		if (cfg->n >= PLLDU_LFCON_SET_DIVN)
738 			val |= 1 << PLL_MISC_LFCON_SHIFT;
739 	} else if (pll->params->flags & TEGRA_PLL_SET_DCCON) {
740 		val &= ~(1 << PLL_MISC_DCCON_SHIFT);
741 		if (rate >= (pll->params->vco_max >> 1))
742 			val |= 1 << PLL_MISC_DCCON_SHIFT;
743 	}
744 
745 	pll_writel_misc(val, pll);
746 }
747 
748 static int _program_pll(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
749 			unsigned long rate)
750 {
751 	struct tegra_clk_pll *pll = to_clk_pll(hw);
752 	struct tegra_clk_pll_freq_table old_cfg;
753 	int state, ret = 0;
754 
755 	state = clk_pll_is_enabled(hw);
756 
757 	if (state && pll->params->pre_rate_change) {
758 		ret = pll->params->pre_rate_change();
759 		if (WARN_ON(ret))
760 			return ret;
761 	}
762 
763 	_get_pll_mnp(pll, &old_cfg);
764 
765 	if (state && pll->params->defaults_set && pll->params->dyn_ramp &&
766 			(cfg->m == old_cfg.m) && (cfg->p == old_cfg.p)) {
767 		ret = pll->params->dyn_ramp(pll, cfg);
768 		if (!ret)
769 			goto done;
770 	}
771 
772 	if (state) {
773 		pll_clk_stop_ss(pll);
774 		_clk_pll_disable(hw);
775 	}
776 
777 	if (!pll->params->defaults_set && pll->params->set_defaults)
778 		pll->params->set_defaults(pll);
779 
780 	_update_pll_mnp(pll, cfg);
781 
782 	if (pll->params->flags & TEGRA_PLL_HAS_CPCON)
783 		_update_pll_cpcon(pll, cfg, rate);
784 
785 	if (state) {
786 		_clk_pll_enable(hw);
787 		ret = clk_pll_wait_for_lock(pll);
788 		pll_clk_start_ss(pll);
789 	}
790 
791 done:
792 	if (state && pll->params->post_rate_change)
793 		pll->params->post_rate_change();
794 
795 	return ret;
796 }
797 
798 static int clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
799 			unsigned long parent_rate)
800 {
801 	struct tegra_clk_pll *pll = to_clk_pll(hw);
802 	struct tegra_clk_pll_freq_table cfg, old_cfg;
803 	unsigned long flags = 0;
804 	int ret = 0;
805 
806 	if (pll->params->flags & TEGRA_PLL_FIXED) {
807 		if (rate != pll->params->fixed_rate) {
808 			pr_err("%s: Can not change %s fixed rate %lu to %lu\n",
809 				__func__, clk_hw_get_name(hw),
810 				pll->params->fixed_rate, rate);
811 			return -EINVAL;
812 		}
813 		return 0;
814 	}
815 
816 	if (_get_table_rate(hw, &cfg, rate, parent_rate) &&
817 	    pll->params->calc_rate(hw, &cfg, rate, parent_rate)) {
818 		pr_err("%s: Failed to set %s rate %lu\n", __func__,
819 		       clk_hw_get_name(hw), rate);
820 		WARN_ON(1);
821 		return -EINVAL;
822 	}
823 	if (pll->lock)
824 		spin_lock_irqsave(pll->lock, flags);
825 
826 	_get_pll_mnp(pll, &old_cfg);
827 	if (pll->params->flags & TEGRA_PLL_VCO_OUT)
828 		cfg.p = old_cfg.p;
829 
830 	if (old_cfg.m != cfg.m || old_cfg.n != cfg.n || old_cfg.p != cfg.p ||
831 		old_cfg.sdm_data != cfg.sdm_data)
832 		ret = _program_pll(hw, &cfg, rate);
833 
834 	if (pll->lock)
835 		spin_unlock_irqrestore(pll->lock, flags);
836 
837 	return ret;
838 }
839 
840 static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
841 			unsigned long *prate)
842 {
843 	struct tegra_clk_pll *pll = to_clk_pll(hw);
844 	struct tegra_clk_pll_freq_table cfg;
845 
846 	if (pll->params->flags & TEGRA_PLL_FIXED) {
847 		/* PLLM/MB are used for memory; we do not change rate */
848 		if (pll->params->flags & (TEGRA_PLLM | TEGRA_PLLMB))
849 			return clk_hw_get_rate(hw);
850 		return pll->params->fixed_rate;
851 	}
852 
853 	if (_get_table_rate(hw, &cfg, rate, *prate) &&
854 	    pll->params->calc_rate(hw, &cfg, rate, *prate))
855 		return -EINVAL;
856 
857 	return cfg.output_rate;
858 }
859 
860 static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
861 					 unsigned long parent_rate)
862 {
863 	struct tegra_clk_pll *pll = to_clk_pll(hw);
864 	struct tegra_clk_pll_freq_table cfg;
865 	u32 val;
866 	u64 rate = parent_rate;
867 	int pdiv;
868 
869 	val = pll_readl_base(pll);
870 
871 	if ((pll->params->flags & TEGRA_PLL_BYPASS) && (val & PLL_BASE_BYPASS))
872 		return parent_rate;
873 
874 	if ((pll->params->flags & TEGRA_PLL_FIXED) &&
875 	    !(pll->params->flags & (TEGRA_PLLM | TEGRA_PLLMB)) &&
876 			!(val & PLL_BASE_OVERRIDE)) {
877 		struct tegra_clk_pll_freq_table sel;
878 		if (_get_table_rate(hw, &sel, pll->params->fixed_rate,
879 					parent_rate)) {
880 			pr_err("Clock %s has unknown fixed frequency\n",
881 			       clk_hw_get_name(hw));
882 			BUG();
883 		}
884 		return pll->params->fixed_rate;
885 	}
886 
887 	_get_pll_mnp(pll, &cfg);
888 
889 	if (pll->params->flags & TEGRA_PLL_VCO_OUT) {
890 		pdiv = 1;
891 	} else {
892 		pdiv = _hw_to_p_div(hw, cfg.p);
893 		if (pdiv < 0) {
894 			WARN(1, "Clock %s has invalid pdiv value : 0x%x\n",
895 			     clk_hw_get_name(hw), cfg.p);
896 			pdiv = 1;
897 		}
898 	}
899 
900 	if (pll->params->set_gain)
901 		pll->params->set_gain(&cfg);
902 
903 	cfg.m *= pdiv;
904 
905 	rate *= cfg.n;
906 	do_div(rate, cfg.m);
907 
908 	return rate;
909 }
910 
911 static int clk_plle_training(struct tegra_clk_pll *pll)
912 {
913 	u32 val;
914 	unsigned long timeout;
915 
916 	if (!pll->pmc)
917 		return -ENOSYS;
918 
919 	/*
920 	 * PLLE is already disabled, and setup cleared;
921 	 * create falling edge on PLLE IDDQ input.
922 	 */
923 	val = readl(pll->pmc + PMC_SATA_PWRGT);
924 	val |= PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
925 	writel(val, pll->pmc + PMC_SATA_PWRGT);
926 
927 	val = readl(pll->pmc + PMC_SATA_PWRGT);
928 	val |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
929 	writel(val, pll->pmc + PMC_SATA_PWRGT);
930 
931 	val = readl(pll->pmc + PMC_SATA_PWRGT);
932 	val &= ~PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
933 	writel(val, pll->pmc + PMC_SATA_PWRGT);
934 
935 	val = pll_readl_misc(pll);
936 
937 	timeout = jiffies + msecs_to_jiffies(100);
938 	while (1) {
939 		val = pll_readl_misc(pll);
940 		if (val & PLLE_MISC_READY)
941 			break;
942 		if (time_after(jiffies, timeout)) {
943 			pr_err("%s: timeout waiting for PLLE\n", __func__);
944 			return -EBUSY;
945 		}
946 		udelay(300);
947 	}
948 
949 	return 0;
950 }
951 
952 static int clk_plle_enable(struct clk_hw *hw)
953 {
954 	struct tegra_clk_pll *pll = to_clk_pll(hw);
955 	struct tegra_clk_pll_freq_table sel;
956 	unsigned long input_rate;
957 	u32 val;
958 	int err;
959 
960 	if (clk_pll_is_enabled(hw))
961 		return 0;
962 
963 	input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
964 
965 	if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
966 		return -EINVAL;
967 
968 	clk_pll_disable(hw);
969 
970 	val = pll_readl_misc(pll);
971 	val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK);
972 	pll_writel_misc(val, pll);
973 
974 	val = pll_readl_misc(pll);
975 	if (!(val & PLLE_MISC_READY)) {
976 		err = clk_plle_training(pll);
977 		if (err)
978 			return err;
979 	}
980 
981 	if (pll->params->flags & TEGRA_PLLE_CONFIGURE) {
982 		/* configure dividers */
983 		val = pll_readl_base(pll);
984 		val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) |
985 			 divm_mask_shifted(pll));
986 		val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT);
987 		val |= sel.m << divm_shift(pll);
988 		val |= sel.n << divn_shift(pll);
989 		val |= sel.p << divp_shift(pll);
990 		val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
991 		pll_writel_base(val, pll);
992 	}
993 
994 	val = pll_readl_misc(pll);
995 	val |= PLLE_MISC_SETUP_VALUE;
996 	val |= PLLE_MISC_LOCK_ENABLE;
997 	pll_writel_misc(val, pll);
998 
999 	val = readl(pll->clk_base + PLLE_SS_CTRL);
1000 	val &= ~PLLE_SS_COEFFICIENTS_MASK;
1001 	val |= PLLE_SS_DISABLE;
1002 	writel(val, pll->clk_base + PLLE_SS_CTRL);
1003 
1004 	val = pll_readl_base(pll);
1005 	val |= (PLL_BASE_BYPASS | PLL_BASE_ENABLE);
1006 	pll_writel_base(val, pll);
1007 
1008 	clk_pll_wait_for_lock(pll);
1009 
1010 	return 0;
1011 }
1012 
1013 static unsigned long clk_plle_recalc_rate(struct clk_hw *hw,
1014 					 unsigned long parent_rate)
1015 {
1016 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1017 	u32 val = pll_readl_base(pll);
1018 	u32 divn = 0, divm = 0, divp = 0;
1019 	u64 rate = parent_rate;
1020 
1021 	divp = (val >> pll->params->div_nmp->divp_shift) & (divp_mask(pll));
1022 	divn = (val >> pll->params->div_nmp->divn_shift) & (divn_mask(pll));
1023 	divm = (val >> pll->params->div_nmp->divm_shift) & (divm_mask(pll));
1024 	divm *= divp;
1025 
1026 	rate *= divn;
1027 	do_div(rate, divm);
1028 	return rate;
1029 }
1030 
1031 static void tegra_clk_pll_restore_context(struct clk_hw *hw)
1032 {
1033 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1034 	struct clk_hw *parent = clk_hw_get_parent(hw);
1035 	unsigned long parent_rate = clk_hw_get_rate(parent);
1036 	unsigned long rate = clk_hw_get_rate(hw);
1037 
1038 	if (clk_pll_is_enabled(hw))
1039 		return;
1040 
1041 	if (pll->params->set_defaults)
1042 		pll->params->set_defaults(pll);
1043 
1044 	clk_pll_set_rate(hw, rate, parent_rate);
1045 
1046 	if (!__clk_get_enable_count(hw->clk))
1047 		clk_pll_disable(hw);
1048 	else
1049 		clk_pll_enable(hw);
1050 }
1051 
1052 const struct clk_ops tegra_clk_pll_ops = {
1053 	.is_enabled = clk_pll_is_enabled,
1054 	.enable = clk_pll_enable,
1055 	.disable = clk_pll_disable,
1056 	.recalc_rate = clk_pll_recalc_rate,
1057 	.round_rate = clk_pll_round_rate,
1058 	.set_rate = clk_pll_set_rate,
1059 	.restore_context = tegra_clk_pll_restore_context,
1060 };
1061 
1062 const struct clk_ops tegra_clk_plle_ops = {
1063 	.recalc_rate = clk_plle_recalc_rate,
1064 	.is_enabled = clk_pll_is_enabled,
1065 	.disable = clk_pll_disable,
1066 	.enable = clk_plle_enable,
1067 };
1068 
1069 /*
1070  * Structure defining the fields for USB UTMI clocks Parameters.
1071  */
1072 struct utmi_clk_param {
1073 	/* Oscillator Frequency in Hz */
1074 	u32 osc_frequency;
1075 	/* UTMIP PLL Enable Delay Count  */
1076 	u8 enable_delay_count;
1077 	/* UTMIP PLL Stable count */
1078 	u8 stable_count;
1079 	/*  UTMIP PLL Active delay count */
1080 	u8 active_delay_count;
1081 	/* UTMIP PLL Xtal frequency count */
1082 	u8 xtal_freq_count;
1083 };
1084 
1085 static const struct utmi_clk_param utmi_parameters[] = {
1086 	{
1087 		.osc_frequency = 13000000, .enable_delay_count = 0x02,
1088 		.stable_count = 0x33, .active_delay_count = 0x05,
1089 		.xtal_freq_count = 0x7f
1090 	}, {
1091 		.osc_frequency = 19200000, .enable_delay_count = 0x03,
1092 		.stable_count = 0x4b, .active_delay_count = 0x06,
1093 		.xtal_freq_count = 0xbb
1094 	}, {
1095 		.osc_frequency = 12000000, .enable_delay_count = 0x02,
1096 		.stable_count = 0x2f, .active_delay_count = 0x04,
1097 		.xtal_freq_count = 0x76
1098 	}, {
1099 		.osc_frequency = 26000000, .enable_delay_count = 0x04,
1100 		.stable_count = 0x66, .active_delay_count = 0x09,
1101 		.xtal_freq_count = 0xfe
1102 	}, {
1103 		.osc_frequency = 16800000, .enable_delay_count = 0x03,
1104 		.stable_count = 0x41, .active_delay_count = 0x0a,
1105 		.xtal_freq_count = 0xa4
1106 	}, {
1107 		.osc_frequency = 38400000, .enable_delay_count = 0x0,
1108 		.stable_count = 0x0, .active_delay_count = 0x6,
1109 		.xtal_freq_count = 0x80
1110 	},
1111 };
1112 
1113 static int clk_pllu_enable(struct clk_hw *hw)
1114 {
1115 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1116 	struct clk_hw *pll_ref = clk_hw_get_parent(hw);
1117 	struct clk_hw *osc = clk_hw_get_parent(pll_ref);
1118 	const struct utmi_clk_param *params = NULL;
1119 	unsigned long flags = 0, input_rate;
1120 	unsigned int i;
1121 	int ret = 0;
1122 	u32 value;
1123 
1124 	if (!osc) {
1125 		pr_err("%s: failed to get OSC clock\n", __func__);
1126 		return -EINVAL;
1127 	}
1128 
1129 	input_rate = clk_hw_get_rate(osc);
1130 
1131 	if (pll->lock)
1132 		spin_lock_irqsave(pll->lock, flags);
1133 
1134 	_clk_pll_enable(hw);
1135 
1136 	ret = clk_pll_wait_for_lock(pll);
1137 	if (ret < 0)
1138 		goto out;
1139 
1140 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
1141 		if (input_rate == utmi_parameters[i].osc_frequency) {
1142 			params = &utmi_parameters[i];
1143 			break;
1144 		}
1145 	}
1146 
1147 	if (!params) {
1148 		pr_err("%s: unexpected input rate %lu Hz\n", __func__,
1149 		       input_rate);
1150 		ret = -EINVAL;
1151 		goto out;
1152 	}
1153 
1154 	value = pll_readl_base(pll);
1155 	value &= ~PLLU_BASE_OVERRIDE;
1156 	pll_writel_base(value, pll);
1157 
1158 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG2);
1159 	/* Program UTMIP PLL stable and active counts */
1160 	value &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
1161 	value |= UTMIP_PLL_CFG2_STABLE_COUNT(params->stable_count);
1162 	value &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
1163 	value |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(params->active_delay_count);
1164 	/* Remove power downs from UTMIP PLL control bits */
1165 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
1166 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
1167 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
1168 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG2);
1169 
1170 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
1171 	/* Program UTMIP PLL delay and oscillator frequency counts */
1172 	value &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
1173 	value |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(params->enable_delay_count);
1174 	value &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
1175 	value |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(params->xtal_freq_count);
1176 	/* Remove power downs from UTMIP PLL control bits */
1177 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1178 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
1179 	value &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
1180 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG1);
1181 
1182 out:
1183 	if (pll->lock)
1184 		spin_unlock_irqrestore(pll->lock, flags);
1185 
1186 	return ret;
1187 }
1188 
1189 static const struct clk_ops tegra_clk_pllu_ops = {
1190 	.is_enabled = clk_pll_is_enabled,
1191 	.enable = clk_pllu_enable,
1192 	.disable = clk_pll_disable,
1193 	.recalc_rate = clk_pll_recalc_rate,
1194 	.round_rate = clk_pll_round_rate,
1195 	.set_rate = clk_pll_set_rate,
1196 };
1197 
1198 static int _pll_fixed_mdiv(struct tegra_clk_pll_params *pll_params,
1199 			   unsigned long parent_rate)
1200 {
1201 	u16 mdiv = parent_rate / pll_params->cf_min;
1202 
1203 	if (pll_params->flags & TEGRA_MDIV_NEW)
1204 		return (!pll_params->mdiv_default ? mdiv :
1205 			min(mdiv, pll_params->mdiv_default));
1206 
1207 	if (pll_params->mdiv_default)
1208 		return pll_params->mdiv_default;
1209 
1210 	if (parent_rate > pll_params->cf_max)
1211 		return 2;
1212 	else
1213 		return 1;
1214 }
1215 
1216 static int _calc_dynamic_ramp_rate(struct clk_hw *hw,
1217 				struct tegra_clk_pll_freq_table *cfg,
1218 				unsigned long rate, unsigned long parent_rate)
1219 {
1220 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1221 	unsigned int p;
1222 	int p_div;
1223 
1224 	if (!rate)
1225 		return -EINVAL;
1226 
1227 	p = DIV_ROUND_UP(pll->params->vco_min, rate);
1228 	cfg->m = _pll_fixed_mdiv(pll->params, parent_rate);
1229 	cfg->output_rate = rate * p;
1230 	cfg->n = cfg->output_rate * cfg->m / parent_rate;
1231 	cfg->input_rate = parent_rate;
1232 
1233 	p_div = _p_div_to_hw(hw, p);
1234 	if (p_div < 0)
1235 		return p_div;
1236 
1237 	cfg->p = p_div;
1238 
1239 	if (cfg->n > divn_max(pll) || cfg->output_rate > pll->params->vco_max)
1240 		return -EINVAL;
1241 
1242 	return 0;
1243 }
1244 
1245 #if defined(CONFIG_ARCH_TEGRA_114_SOC) || \
1246 	defined(CONFIG_ARCH_TEGRA_124_SOC) || \
1247 	defined(CONFIG_ARCH_TEGRA_132_SOC) || \
1248 	defined(CONFIG_ARCH_TEGRA_210_SOC)
1249 
1250 u16 tegra_pll_get_fixed_mdiv(struct clk_hw *hw, unsigned long input_rate)
1251 {
1252 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1253 
1254 	return (u16)_pll_fixed_mdiv(pll->params, input_rate);
1255 }
1256 
1257 static unsigned long _clip_vco_min(unsigned long vco_min,
1258 				   unsigned long parent_rate)
1259 {
1260 	return DIV_ROUND_UP(vco_min, parent_rate) * parent_rate;
1261 }
1262 
1263 static int _setup_dynamic_ramp(struct tegra_clk_pll_params *pll_params,
1264 			       void __iomem *clk_base,
1265 			       unsigned long parent_rate)
1266 {
1267 	u32 val;
1268 	u32 step_a, step_b;
1269 
1270 	switch (parent_rate) {
1271 	case 12000000:
1272 	case 13000000:
1273 	case 26000000:
1274 		step_a = 0x2B;
1275 		step_b = 0x0B;
1276 		break;
1277 	case 16800000:
1278 		step_a = 0x1A;
1279 		step_b = 0x09;
1280 		break;
1281 	case 19200000:
1282 		step_a = 0x12;
1283 		step_b = 0x08;
1284 		break;
1285 	default:
1286 		pr_err("%s: Unexpected reference rate %lu\n",
1287 			__func__, parent_rate);
1288 		WARN_ON(1);
1289 		return -EINVAL;
1290 	}
1291 
1292 	val = step_a << pll_params->stepa_shift;
1293 	val |= step_b << pll_params->stepb_shift;
1294 	writel_relaxed(val, clk_base + pll_params->dyn_ramp_reg);
1295 
1296 	return 0;
1297 }
1298 
1299 static int _pll_ramp_calc_pll(struct clk_hw *hw,
1300 			      struct tegra_clk_pll_freq_table *cfg,
1301 			      unsigned long rate, unsigned long parent_rate)
1302 {
1303 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1304 	int err = 0;
1305 
1306 	err = _get_table_rate(hw, cfg, rate, parent_rate);
1307 	if (err < 0)
1308 		err = _calc_dynamic_ramp_rate(hw, cfg, rate, parent_rate);
1309 	else {
1310 		if (cfg->m != _pll_fixed_mdiv(pll->params, parent_rate)) {
1311 			WARN_ON(1);
1312 			err = -EINVAL;
1313 			goto out;
1314 		}
1315 	}
1316 
1317 	if (cfg->p >  pll->params->max_p)
1318 		err = -EINVAL;
1319 
1320 out:
1321 	return err;
1322 }
1323 
1324 static int clk_pllxc_set_rate(struct clk_hw *hw, unsigned long rate,
1325 				unsigned long parent_rate)
1326 {
1327 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1328 	struct tegra_clk_pll_freq_table cfg, old_cfg;
1329 	unsigned long flags = 0;
1330 	int ret;
1331 
1332 	ret = _pll_ramp_calc_pll(hw, &cfg, rate, parent_rate);
1333 	if (ret < 0)
1334 		return ret;
1335 
1336 	if (pll->lock)
1337 		spin_lock_irqsave(pll->lock, flags);
1338 
1339 	_get_pll_mnp(pll, &old_cfg);
1340 	if (pll->params->flags & TEGRA_PLL_VCO_OUT)
1341 		cfg.p = old_cfg.p;
1342 
1343 	if (old_cfg.m != cfg.m || old_cfg.n != cfg.n || old_cfg.p != cfg.p)
1344 		ret = _program_pll(hw, &cfg, rate);
1345 
1346 	if (pll->lock)
1347 		spin_unlock_irqrestore(pll->lock, flags);
1348 
1349 	return ret;
1350 }
1351 
1352 static long clk_pll_ramp_round_rate(struct clk_hw *hw, unsigned long rate,
1353 				unsigned long *prate)
1354 {
1355 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1356 	struct tegra_clk_pll_freq_table cfg;
1357 	int ret, p_div;
1358 	u64 output_rate = *prate;
1359 
1360 	ret = _pll_ramp_calc_pll(hw, &cfg, rate, *prate);
1361 	if (ret < 0)
1362 		return ret;
1363 
1364 	p_div = _hw_to_p_div(hw, cfg.p);
1365 	if (p_div < 0)
1366 		return p_div;
1367 
1368 	if (pll->params->set_gain)
1369 		pll->params->set_gain(&cfg);
1370 
1371 	output_rate *= cfg.n;
1372 	do_div(output_rate, cfg.m * p_div);
1373 
1374 	return output_rate;
1375 }
1376 
1377 static void _pllcx_strobe(struct tegra_clk_pll *pll)
1378 {
1379 	u32 val;
1380 
1381 	val = pll_readl_misc(pll);
1382 	val |= PLLCX_MISC_STROBE;
1383 	pll_writel_misc(val, pll);
1384 	udelay(2);
1385 
1386 	val &= ~PLLCX_MISC_STROBE;
1387 	pll_writel_misc(val, pll);
1388 }
1389 
1390 static int clk_pllc_enable(struct clk_hw *hw)
1391 {
1392 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1393 	u32 val;
1394 	int ret;
1395 	unsigned long flags = 0;
1396 
1397 	if (clk_pll_is_enabled(hw))
1398 		return 0;
1399 
1400 	if (pll->lock)
1401 		spin_lock_irqsave(pll->lock, flags);
1402 
1403 	_clk_pll_enable(hw);
1404 	udelay(2);
1405 
1406 	val = pll_readl_misc(pll);
1407 	val &= ~PLLCX_MISC_RESET;
1408 	pll_writel_misc(val, pll);
1409 	udelay(2);
1410 
1411 	_pllcx_strobe(pll);
1412 
1413 	ret = clk_pll_wait_for_lock(pll);
1414 
1415 	if (pll->lock)
1416 		spin_unlock_irqrestore(pll->lock, flags);
1417 
1418 	return ret;
1419 }
1420 
1421 static void _clk_pllc_disable(struct clk_hw *hw)
1422 {
1423 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1424 	u32 val;
1425 
1426 	_clk_pll_disable(hw);
1427 
1428 	val = pll_readl_misc(pll);
1429 	val |= PLLCX_MISC_RESET;
1430 	pll_writel_misc(val, pll);
1431 	udelay(2);
1432 }
1433 
1434 static void clk_pllc_disable(struct clk_hw *hw)
1435 {
1436 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1437 	unsigned long flags = 0;
1438 
1439 	if (pll->lock)
1440 		spin_lock_irqsave(pll->lock, flags);
1441 
1442 	_clk_pllc_disable(hw);
1443 
1444 	if (pll->lock)
1445 		spin_unlock_irqrestore(pll->lock, flags);
1446 }
1447 
1448 static int _pllcx_update_dynamic_coef(struct tegra_clk_pll *pll,
1449 					unsigned long input_rate, u32 n)
1450 {
1451 	u32 val, n_threshold;
1452 
1453 	switch (input_rate) {
1454 	case 12000000:
1455 		n_threshold = 70;
1456 		break;
1457 	case 13000000:
1458 	case 26000000:
1459 		n_threshold = 71;
1460 		break;
1461 	case 16800000:
1462 		n_threshold = 55;
1463 		break;
1464 	case 19200000:
1465 		n_threshold = 48;
1466 		break;
1467 	default:
1468 		pr_err("%s: Unexpected reference rate %lu\n",
1469 			__func__, input_rate);
1470 		return -EINVAL;
1471 	}
1472 
1473 	val = pll_readl_misc(pll);
1474 	val &= ~(PLLCX_MISC_SDM_DIV_MASK | PLLCX_MISC_FILT_DIV_MASK);
1475 	val |= n <= n_threshold ?
1476 		PLLCX_MISC_DIV_LOW_RANGE : PLLCX_MISC_DIV_HIGH_RANGE;
1477 	pll_writel_misc(val, pll);
1478 
1479 	return 0;
1480 }
1481 
1482 static int clk_pllc_set_rate(struct clk_hw *hw, unsigned long rate,
1483 				unsigned long parent_rate)
1484 {
1485 	struct tegra_clk_pll_freq_table cfg, old_cfg;
1486 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1487 	unsigned long flags = 0;
1488 	int state, ret = 0;
1489 
1490 	if (pll->lock)
1491 		spin_lock_irqsave(pll->lock, flags);
1492 
1493 	ret = _pll_ramp_calc_pll(hw, &cfg, rate, parent_rate);
1494 	if (ret < 0)
1495 		goto out;
1496 
1497 	_get_pll_mnp(pll, &old_cfg);
1498 
1499 	if (cfg.m != old_cfg.m) {
1500 		WARN_ON(1);
1501 		goto out;
1502 	}
1503 
1504 	if (old_cfg.n == cfg.n && old_cfg.p == cfg.p)
1505 		goto out;
1506 
1507 	state = clk_pll_is_enabled(hw);
1508 	if (state)
1509 		_clk_pllc_disable(hw);
1510 
1511 	ret = _pllcx_update_dynamic_coef(pll, parent_rate, cfg.n);
1512 	if (ret < 0)
1513 		goto out;
1514 
1515 	_update_pll_mnp(pll, &cfg);
1516 
1517 	if (state)
1518 		ret = clk_pllc_enable(hw);
1519 
1520 out:
1521 	if (pll->lock)
1522 		spin_unlock_irqrestore(pll->lock, flags);
1523 
1524 	return ret;
1525 }
1526 
1527 static long _pllre_calc_rate(struct tegra_clk_pll *pll,
1528 			     struct tegra_clk_pll_freq_table *cfg,
1529 			     unsigned long rate, unsigned long parent_rate)
1530 {
1531 	u16 m, n;
1532 	u64 output_rate = parent_rate;
1533 
1534 	m = _pll_fixed_mdiv(pll->params, parent_rate);
1535 	n = rate * m / parent_rate;
1536 
1537 	output_rate *= n;
1538 	do_div(output_rate, m);
1539 
1540 	if (cfg) {
1541 		cfg->m = m;
1542 		cfg->n = n;
1543 	}
1544 
1545 	return output_rate;
1546 }
1547 
1548 static int clk_pllre_set_rate(struct clk_hw *hw, unsigned long rate,
1549 				unsigned long parent_rate)
1550 {
1551 	struct tegra_clk_pll_freq_table cfg, old_cfg;
1552 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1553 	unsigned long flags = 0;
1554 	int state, ret = 0;
1555 
1556 	if (pll->lock)
1557 		spin_lock_irqsave(pll->lock, flags);
1558 
1559 	_pllre_calc_rate(pll, &cfg, rate, parent_rate);
1560 	_get_pll_mnp(pll, &old_cfg);
1561 	cfg.p = old_cfg.p;
1562 
1563 	if (cfg.m != old_cfg.m || cfg.n != old_cfg.n) {
1564 		state = clk_pll_is_enabled(hw);
1565 		if (state)
1566 			_clk_pll_disable(hw);
1567 
1568 		_update_pll_mnp(pll, &cfg);
1569 
1570 		if (state) {
1571 			_clk_pll_enable(hw);
1572 			ret = clk_pll_wait_for_lock(pll);
1573 		}
1574 	}
1575 
1576 	if (pll->lock)
1577 		spin_unlock_irqrestore(pll->lock, flags);
1578 
1579 	return ret;
1580 }
1581 
1582 static unsigned long clk_pllre_recalc_rate(struct clk_hw *hw,
1583 					 unsigned long parent_rate)
1584 {
1585 	struct tegra_clk_pll_freq_table cfg;
1586 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1587 	u64 rate = parent_rate;
1588 
1589 	_get_pll_mnp(pll, &cfg);
1590 
1591 	rate *= cfg.n;
1592 	do_div(rate, cfg.m);
1593 
1594 	return rate;
1595 }
1596 
1597 static long clk_pllre_round_rate(struct clk_hw *hw, unsigned long rate,
1598 				 unsigned long *prate)
1599 {
1600 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1601 
1602 	return _pllre_calc_rate(pll, NULL, rate, *prate);
1603 }
1604 
1605 static int clk_plle_tegra114_enable(struct clk_hw *hw)
1606 {
1607 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1608 	struct tegra_clk_pll_freq_table sel;
1609 	u32 val;
1610 	int ret;
1611 	unsigned long flags = 0;
1612 	unsigned long input_rate;
1613 
1614 	input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
1615 
1616 	if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
1617 		return -EINVAL;
1618 
1619 	if (pll->lock)
1620 		spin_lock_irqsave(pll->lock, flags);
1621 
1622 	val = pll_readl_base(pll);
1623 	val &= ~BIT(29); /* Disable lock override */
1624 	pll_writel_base(val, pll);
1625 
1626 	val = pll_readl(pll->params->aux_reg, pll);
1627 	val |= PLLE_AUX_ENABLE_SWCTL;
1628 	val &= ~PLLE_AUX_SEQ_ENABLE;
1629 	pll_writel(val, pll->params->aux_reg, pll);
1630 	udelay(1);
1631 
1632 	val = pll_readl_misc(pll);
1633 	val |= PLLE_MISC_LOCK_ENABLE;
1634 	val |= PLLE_MISC_IDDQ_SW_CTRL;
1635 	val &= ~PLLE_MISC_IDDQ_SW_VALUE;
1636 	val |= PLLE_MISC_PLLE_PTS;
1637 	val &= ~(PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK);
1638 	pll_writel_misc(val, pll);
1639 	udelay(5);
1640 
1641 	val = pll_readl(PLLE_SS_CTRL, pll);
1642 	val |= PLLE_SS_DISABLE;
1643 	pll_writel(val, PLLE_SS_CTRL, pll);
1644 
1645 	val = pll_readl_base(pll);
1646 	val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) |
1647 		 divm_mask_shifted(pll));
1648 	val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT);
1649 	val |= sel.m << divm_shift(pll);
1650 	val |= sel.n << divn_shift(pll);
1651 	val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
1652 	pll_writel_base(val, pll);
1653 	udelay(1);
1654 
1655 	_clk_pll_enable(hw);
1656 	ret = clk_pll_wait_for_lock(pll);
1657 
1658 	if (ret < 0)
1659 		goto out;
1660 
1661 	val = pll_readl(PLLE_SS_CTRL, pll);
1662 	val &= ~(PLLE_SS_CNTL_CENTER | PLLE_SS_CNTL_INVERT);
1663 	val &= ~PLLE_SS_COEFFICIENTS_MASK;
1664 	val |= PLLE_SS_COEFFICIENTS_VAL_TEGRA114;
1665 	pll_writel(val, PLLE_SS_CTRL, pll);
1666 	val &= ~(PLLE_SS_CNTL_SSC_BYP | PLLE_SS_CNTL_BYPASS_SS);
1667 	pll_writel(val, PLLE_SS_CTRL, pll);
1668 	udelay(1);
1669 	val &= ~PLLE_SS_CNTL_INTERP_RESET;
1670 	pll_writel(val, PLLE_SS_CTRL, pll);
1671 	udelay(1);
1672 
1673 	/* Enable HW control of XUSB brick PLL */
1674 	val = pll_readl_misc(pll);
1675 	val &= ~PLLE_MISC_IDDQ_SW_CTRL;
1676 	pll_writel_misc(val, pll);
1677 
1678 	val = pll_readl(pll->params->aux_reg, pll);
1679 	val |= (PLLE_AUX_USE_LOCKDET | PLLE_AUX_SEQ_START_STATE);
1680 	val &= ~(PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL);
1681 	pll_writel(val, pll->params->aux_reg, pll);
1682 	udelay(1);
1683 	val |= PLLE_AUX_SEQ_ENABLE;
1684 	pll_writel(val, pll->params->aux_reg, pll);
1685 
1686 	val = pll_readl(XUSBIO_PLL_CFG0, pll);
1687 	val |= (XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
1688 		XUSBIO_PLL_CFG0_SEQ_START_STATE);
1689 	val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
1690 		 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
1691 	pll_writel(val, XUSBIO_PLL_CFG0, pll);
1692 	udelay(1);
1693 	val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
1694 	pll_writel(val, XUSBIO_PLL_CFG0, pll);
1695 
1696 	/* Enable HW control of SATA PLL */
1697 	val = pll_readl(SATA_PLL_CFG0, pll);
1698 	val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
1699 	val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET;
1700 	val |= SATA_PLL_CFG0_SEQ_START_STATE;
1701 	pll_writel(val, SATA_PLL_CFG0, pll);
1702 
1703 	udelay(1);
1704 
1705 	val = pll_readl(SATA_PLL_CFG0, pll);
1706 	val |= SATA_PLL_CFG0_SEQ_ENABLE;
1707 	pll_writel(val, SATA_PLL_CFG0, pll);
1708 
1709 out:
1710 	if (pll->lock)
1711 		spin_unlock_irqrestore(pll->lock, flags);
1712 
1713 	return ret;
1714 }
1715 
1716 static void clk_plle_tegra114_disable(struct clk_hw *hw)
1717 {
1718 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1719 	unsigned long flags = 0;
1720 	u32 val;
1721 
1722 	if (pll->lock)
1723 		spin_lock_irqsave(pll->lock, flags);
1724 
1725 	_clk_pll_disable(hw);
1726 
1727 	val = pll_readl_misc(pll);
1728 	val |= PLLE_MISC_IDDQ_SW_CTRL | PLLE_MISC_IDDQ_SW_VALUE;
1729 	pll_writel_misc(val, pll);
1730 	udelay(1);
1731 
1732 	if (pll->lock)
1733 		spin_unlock_irqrestore(pll->lock, flags);
1734 }
1735 
1736 static int clk_pllu_tegra114_enable(struct clk_hw *hw)
1737 {
1738 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1739 	const struct utmi_clk_param *params = NULL;
1740 	struct clk *osc = __clk_lookup("osc");
1741 	unsigned long flags = 0, input_rate;
1742 	unsigned int i;
1743 	int ret = 0;
1744 	u32 value;
1745 
1746 	if (!osc) {
1747 		pr_err("%s: failed to get OSC clock\n", __func__);
1748 		return -EINVAL;
1749 	}
1750 
1751 	if (clk_pll_is_enabled(hw))
1752 		return 0;
1753 
1754 	input_rate = clk_hw_get_rate(__clk_get_hw(osc));
1755 
1756 	if (pll->lock)
1757 		spin_lock_irqsave(pll->lock, flags);
1758 
1759 	_clk_pll_enable(hw);
1760 
1761 	ret = clk_pll_wait_for_lock(pll);
1762 	if (ret < 0)
1763 		goto out;
1764 
1765 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
1766 		if (input_rate == utmi_parameters[i].osc_frequency) {
1767 			params = &utmi_parameters[i];
1768 			break;
1769 		}
1770 	}
1771 
1772 	if (!params) {
1773 		pr_err("%s: unexpected input rate %lu Hz\n", __func__,
1774 		       input_rate);
1775 		ret = -EINVAL;
1776 		goto out;
1777 	}
1778 
1779 	value = pll_readl_base(pll);
1780 	value &= ~PLLU_BASE_OVERRIDE;
1781 	pll_writel_base(value, pll);
1782 
1783 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG2);
1784 	/* Program UTMIP PLL stable and active counts */
1785 	value &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
1786 	value |= UTMIP_PLL_CFG2_STABLE_COUNT(params->stable_count);
1787 	value &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
1788 	value |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(params->active_delay_count);
1789 	/* Remove power downs from UTMIP PLL control bits */
1790 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
1791 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
1792 	value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
1793 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG2);
1794 
1795 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
1796 	/* Program UTMIP PLL delay and oscillator frequency counts */
1797 	value &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
1798 	value |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(params->enable_delay_count);
1799 	value &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
1800 	value |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(params->xtal_freq_count);
1801 	/* Remove power downs from UTMIP PLL control bits */
1802 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1803 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
1804 	value &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP;
1805 	value &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
1806 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG1);
1807 
1808 	/* Setup HW control of UTMIPLL */
1809 	value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1810 	value |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
1811 	value &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
1812 	value |= UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE;
1813 	writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1814 
1815 	value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
1816 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
1817 	value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
1818 	writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG1);
1819 
1820 	udelay(1);
1821 
1822 	/*
1823 	 * Setup SW override of UTMIPLL assuming USB2.0 ports are assigned
1824 	 * to USB2
1825 	 */
1826 	value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1827 	value |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL;
1828 	value &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
1829 	writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1830 
1831 	udelay(1);
1832 
1833 	/* Enable HW control of UTMIPLL */
1834 	value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1835 	value |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
1836 	writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
1837 
1838 out:
1839 	if (pll->lock)
1840 		spin_unlock_irqrestore(pll->lock, flags);
1841 
1842 	return ret;
1843 }
1844 
1845 static void _clk_plle_tegra_init_parent(struct tegra_clk_pll *pll)
1846 {
1847 	u32 val, val_aux;
1848 
1849 	/* ensure parent is set to pll_ref */
1850 	val = pll_readl_base(pll);
1851 	val_aux = pll_readl(pll->params->aux_reg, pll);
1852 
1853 	if (val & PLL_BASE_ENABLE) {
1854 		if ((val_aux & PLLE_AUX_PLLRE_SEL) ||
1855 		    (val_aux & PLLE_AUX_PLLP_SEL))
1856 			WARN(1, "pll_e enabled with unsupported parent %s\n",
1857 			     (val_aux & PLLE_AUX_PLLP_SEL) ? "pllp_out0" :
1858 			     "pll_re_vco");
1859 	} else {
1860 		val_aux &= ~(PLLE_AUX_PLLRE_SEL | PLLE_AUX_PLLP_SEL);
1861 		pll_writel(val_aux, pll->params->aux_reg, pll);
1862 		fence_udelay(1, pll->clk_base);
1863 	}
1864 }
1865 #endif
1866 
1867 static struct tegra_clk_pll *_tegra_init_pll(void __iomem *clk_base,
1868 		void __iomem *pmc, struct tegra_clk_pll_params *pll_params,
1869 		spinlock_t *lock)
1870 {
1871 	struct tegra_clk_pll *pll;
1872 
1873 	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
1874 	if (!pll)
1875 		return ERR_PTR(-ENOMEM);
1876 
1877 	pll->clk_base = clk_base;
1878 	pll->pmc = pmc;
1879 
1880 	pll->params = pll_params;
1881 	pll->lock = lock;
1882 
1883 	if (!pll_params->div_nmp)
1884 		pll_params->div_nmp = &default_nmp;
1885 
1886 	return pll;
1887 }
1888 
1889 static struct clk *_tegra_clk_register_pll(struct tegra_clk_pll *pll,
1890 		const char *name, const char *parent_name, unsigned long flags,
1891 		const struct clk_ops *ops)
1892 {
1893 	struct clk_init_data init;
1894 
1895 	init.name = name;
1896 	init.ops = ops;
1897 	init.flags = flags;
1898 	init.parent_names = (parent_name ? &parent_name : NULL);
1899 	init.num_parents = (parent_name ? 1 : 0);
1900 
1901 	/* Default to _calc_rate if unspecified */
1902 	if (!pll->params->calc_rate) {
1903 		if (pll->params->flags & TEGRA_PLLM)
1904 			pll->params->calc_rate = _calc_dynamic_ramp_rate;
1905 		else
1906 			pll->params->calc_rate = _calc_rate;
1907 	}
1908 
1909 	if (pll->params->set_defaults)
1910 		pll->params->set_defaults(pll);
1911 
1912 	/* Data in .init is copied by clk_register(), so stack variable OK */
1913 	pll->hw.init = &init;
1914 
1915 	return clk_register(NULL, &pll->hw);
1916 }
1917 
1918 struct clk *tegra_clk_register_pll(const char *name, const char *parent_name,
1919 		void __iomem *clk_base, void __iomem *pmc,
1920 		unsigned long flags, struct tegra_clk_pll_params *pll_params,
1921 		spinlock_t *lock)
1922 {
1923 	struct tegra_clk_pll *pll;
1924 	struct clk *clk;
1925 
1926 	pll_params->flags |= TEGRA_PLL_BYPASS;
1927 
1928 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
1929 	if (IS_ERR(pll))
1930 		return ERR_CAST(pll);
1931 
1932 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
1933 				      &tegra_clk_pll_ops);
1934 	if (IS_ERR(clk))
1935 		kfree(pll);
1936 
1937 	return clk;
1938 }
1939 
1940 static struct div_nmp pll_e_nmp = {
1941 	.divn_shift = PLLE_BASE_DIVN_SHIFT,
1942 	.divn_width = PLLE_BASE_DIVN_WIDTH,
1943 	.divm_shift = PLLE_BASE_DIVM_SHIFT,
1944 	.divm_width = PLLE_BASE_DIVM_WIDTH,
1945 	.divp_shift = PLLE_BASE_DIVP_SHIFT,
1946 	.divp_width = PLLE_BASE_DIVP_WIDTH,
1947 };
1948 
1949 struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
1950 		void __iomem *clk_base, void __iomem *pmc,
1951 		unsigned long flags, struct tegra_clk_pll_params *pll_params,
1952 		spinlock_t *lock)
1953 {
1954 	struct tegra_clk_pll *pll;
1955 	struct clk *clk;
1956 
1957 	pll_params->flags |= TEGRA_PLL_BYPASS;
1958 
1959 	if (!pll_params->div_nmp)
1960 		pll_params->div_nmp = &pll_e_nmp;
1961 
1962 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
1963 	if (IS_ERR(pll))
1964 		return ERR_CAST(pll);
1965 
1966 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
1967 				      &tegra_clk_plle_ops);
1968 	if (IS_ERR(clk))
1969 		kfree(pll);
1970 
1971 	return clk;
1972 }
1973 
1974 struct clk *tegra_clk_register_pllu(const char *name, const char *parent_name,
1975 		void __iomem *clk_base, unsigned long flags,
1976 		struct tegra_clk_pll_params *pll_params, spinlock_t *lock)
1977 {
1978 	struct tegra_clk_pll *pll;
1979 	struct clk *clk;
1980 
1981 	pll_params->flags |= TEGRA_PLLU;
1982 
1983 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
1984 	if (IS_ERR(pll))
1985 		return ERR_CAST(pll);
1986 
1987 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
1988 				      &tegra_clk_pllu_ops);
1989 	if (IS_ERR(clk))
1990 		kfree(pll);
1991 
1992 	return clk;
1993 }
1994 
1995 #if defined(CONFIG_ARCH_TEGRA_114_SOC) || \
1996 	defined(CONFIG_ARCH_TEGRA_124_SOC) || \
1997 	defined(CONFIG_ARCH_TEGRA_132_SOC) || \
1998 	defined(CONFIG_ARCH_TEGRA_210_SOC)
1999 static const struct clk_ops tegra_clk_pllxc_ops = {
2000 	.is_enabled = clk_pll_is_enabled,
2001 	.enable = clk_pll_enable,
2002 	.disable = clk_pll_disable,
2003 	.recalc_rate = clk_pll_recalc_rate,
2004 	.round_rate = clk_pll_ramp_round_rate,
2005 	.set_rate = clk_pllxc_set_rate,
2006 };
2007 
2008 static const struct clk_ops tegra_clk_pllc_ops = {
2009 	.is_enabled = clk_pll_is_enabled,
2010 	.enable = clk_pllc_enable,
2011 	.disable = clk_pllc_disable,
2012 	.recalc_rate = clk_pll_recalc_rate,
2013 	.round_rate = clk_pll_ramp_round_rate,
2014 	.set_rate = clk_pllc_set_rate,
2015 };
2016 
2017 static const struct clk_ops tegra_clk_pllre_ops = {
2018 	.is_enabled = clk_pll_is_enabled,
2019 	.enable = clk_pll_enable,
2020 	.disable = clk_pll_disable,
2021 	.recalc_rate = clk_pllre_recalc_rate,
2022 	.round_rate = clk_pllre_round_rate,
2023 	.set_rate = clk_pllre_set_rate,
2024 };
2025 
2026 static const struct clk_ops tegra_clk_plle_tegra114_ops = {
2027 	.is_enabled =  clk_pll_is_enabled,
2028 	.enable = clk_plle_tegra114_enable,
2029 	.disable = clk_plle_tegra114_disable,
2030 	.recalc_rate = clk_pll_recalc_rate,
2031 };
2032 
2033 static const struct clk_ops tegra_clk_pllu_tegra114_ops = {
2034 	.is_enabled =  clk_pll_is_enabled,
2035 	.enable = clk_pllu_tegra114_enable,
2036 	.disable = clk_pll_disable,
2037 	.recalc_rate = clk_pll_recalc_rate,
2038 };
2039 
2040 struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
2041 			  void __iomem *clk_base, void __iomem *pmc,
2042 			  unsigned long flags,
2043 			  struct tegra_clk_pll_params *pll_params,
2044 			  spinlock_t *lock)
2045 {
2046 	struct tegra_clk_pll *pll;
2047 	struct clk *clk, *parent;
2048 	unsigned long parent_rate;
2049 	u32 val, val_iddq;
2050 
2051 	parent = __clk_lookup(parent_name);
2052 	if (!parent) {
2053 		WARN(1, "parent clk %s of %s must be registered first\n",
2054 			parent_name, name);
2055 		return ERR_PTR(-EINVAL);
2056 	}
2057 
2058 	if (!pll_params->pdiv_tohw)
2059 		return ERR_PTR(-EINVAL);
2060 
2061 	parent_rate = clk_get_rate(parent);
2062 
2063 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2064 
2065 	if (pll_params->adjust_vco)
2066 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2067 							     parent_rate);
2068 
2069 	/*
2070 	 * If the pll has a set_defaults callback, it will take care of
2071 	 * configuring dynamic ramping and setting IDDQ in that path.
2072 	 */
2073 	if (!pll_params->set_defaults) {
2074 		int err;
2075 
2076 		err = _setup_dynamic_ramp(pll_params, clk_base, parent_rate);
2077 		if (err)
2078 			return ERR_PTR(err);
2079 
2080 		val = readl_relaxed(clk_base + pll_params->base_reg);
2081 		val_iddq = readl_relaxed(clk_base + pll_params->iddq_reg);
2082 
2083 		if (val & PLL_BASE_ENABLE)
2084 			WARN_ON(val_iddq & BIT(pll_params->iddq_bit_idx));
2085 		else {
2086 			val_iddq |= BIT(pll_params->iddq_bit_idx);
2087 			writel_relaxed(val_iddq,
2088 				       clk_base + pll_params->iddq_reg);
2089 		}
2090 	}
2091 
2092 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2093 	if (IS_ERR(pll))
2094 		return ERR_CAST(pll);
2095 
2096 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2097 				      &tegra_clk_pllxc_ops);
2098 	if (IS_ERR(clk))
2099 		kfree(pll);
2100 
2101 	return clk;
2102 }
2103 
2104 struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
2105 			  void __iomem *clk_base, void __iomem *pmc,
2106 			  unsigned long flags,
2107 			  struct tegra_clk_pll_params *pll_params,
2108 			  spinlock_t *lock, unsigned long parent_rate)
2109 {
2110 	u32 val;
2111 	struct tegra_clk_pll *pll;
2112 	struct clk *clk;
2113 
2114 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2115 
2116 	if (pll_params->adjust_vco)
2117 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2118 							     parent_rate);
2119 
2120 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2121 	if (IS_ERR(pll))
2122 		return ERR_CAST(pll);
2123 
2124 	/* program minimum rate by default */
2125 
2126 	val = pll_readl_base(pll);
2127 	if (val & PLL_BASE_ENABLE)
2128 		WARN_ON(readl_relaxed(clk_base + pll_params->iddq_reg) &
2129 				BIT(pll_params->iddq_bit_idx));
2130 	else {
2131 		int m;
2132 
2133 		m = _pll_fixed_mdiv(pll_params, parent_rate);
2134 		val = m << divm_shift(pll);
2135 		val |= (pll_params->vco_min / parent_rate) << divn_shift(pll);
2136 		pll_writel_base(val, pll);
2137 	}
2138 
2139 	/* disable lock override */
2140 
2141 	val = pll_readl_misc(pll);
2142 	val &= ~BIT(29);
2143 	pll_writel_misc(val, pll);
2144 
2145 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2146 				      &tegra_clk_pllre_ops);
2147 	if (IS_ERR(clk))
2148 		kfree(pll);
2149 
2150 	return clk;
2151 }
2152 
2153 struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
2154 			  void __iomem *clk_base, void __iomem *pmc,
2155 			  unsigned long flags,
2156 			  struct tegra_clk_pll_params *pll_params,
2157 			  spinlock_t *lock)
2158 {
2159 	struct tegra_clk_pll *pll;
2160 	struct clk *clk, *parent;
2161 	unsigned long parent_rate;
2162 
2163 	if (!pll_params->pdiv_tohw)
2164 		return ERR_PTR(-EINVAL);
2165 
2166 	parent = __clk_lookup(parent_name);
2167 	if (!parent) {
2168 		WARN(1, "parent clk %s of %s must be registered first\n",
2169 			parent_name, name);
2170 		return ERR_PTR(-EINVAL);
2171 	}
2172 
2173 	parent_rate = clk_get_rate(parent);
2174 
2175 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2176 
2177 	if (pll_params->adjust_vco)
2178 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2179 							     parent_rate);
2180 
2181 	pll_params->flags |= TEGRA_PLL_BYPASS;
2182 	pll_params->flags |= TEGRA_PLLM;
2183 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2184 	if (IS_ERR(pll))
2185 		return ERR_CAST(pll);
2186 
2187 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2188 				      &tegra_clk_pll_ops);
2189 	if (IS_ERR(clk))
2190 		kfree(pll);
2191 
2192 	return clk;
2193 }
2194 
2195 struct clk *tegra_clk_register_pllc(const char *name, const char *parent_name,
2196 			  void __iomem *clk_base, void __iomem *pmc,
2197 			  unsigned long flags,
2198 			  struct tegra_clk_pll_params *pll_params,
2199 			  spinlock_t *lock)
2200 {
2201 	struct clk *parent, *clk;
2202 	const struct pdiv_map *p_tohw = pll_params->pdiv_tohw;
2203 	struct tegra_clk_pll *pll;
2204 	struct tegra_clk_pll_freq_table cfg;
2205 	unsigned long parent_rate;
2206 
2207 	if (!p_tohw)
2208 		return ERR_PTR(-EINVAL);
2209 
2210 	parent = __clk_lookup(parent_name);
2211 	if (!parent) {
2212 		WARN(1, "parent clk %s of %s must be registered first\n",
2213 			parent_name, name);
2214 		return ERR_PTR(-EINVAL);
2215 	}
2216 
2217 	parent_rate = clk_get_rate(parent);
2218 
2219 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2220 
2221 	pll_params->flags |= TEGRA_PLL_BYPASS;
2222 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2223 	if (IS_ERR(pll))
2224 		return ERR_CAST(pll);
2225 
2226 	/*
2227 	 * Most of PLLC register fields are shadowed, and can not be read
2228 	 * directly from PLL h/w. Hence, actual PLLC boot state is unknown.
2229 	 * Initialize PLL to default state: disabled, reset; shadow registers
2230 	 * loaded with default parameters; dividers are preset for half of
2231 	 * minimum VCO rate (the latter assured that shadowed divider settings
2232 	 * are within supported range).
2233 	 */
2234 
2235 	cfg.m = _pll_fixed_mdiv(pll_params, parent_rate);
2236 	cfg.n = cfg.m * pll_params->vco_min / parent_rate;
2237 
2238 	while (p_tohw->pdiv) {
2239 		if (p_tohw->pdiv == 2) {
2240 			cfg.p = p_tohw->hw_val;
2241 			break;
2242 		}
2243 		p_tohw++;
2244 	}
2245 
2246 	if (!p_tohw->pdiv) {
2247 		WARN_ON(1);
2248 		return ERR_PTR(-EINVAL);
2249 	}
2250 
2251 	pll_writel_base(0, pll);
2252 	_update_pll_mnp(pll, &cfg);
2253 
2254 	pll_writel_misc(PLLCX_MISC_DEFAULT, pll);
2255 	pll_writel(PLLCX_MISC1_DEFAULT, pll_params->ext_misc_reg[0], pll);
2256 	pll_writel(PLLCX_MISC2_DEFAULT, pll_params->ext_misc_reg[1], pll);
2257 	pll_writel(PLLCX_MISC3_DEFAULT, pll_params->ext_misc_reg[2], pll);
2258 
2259 	_pllcx_update_dynamic_coef(pll, parent_rate, cfg.n);
2260 
2261 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2262 				      &tegra_clk_pllc_ops);
2263 	if (IS_ERR(clk))
2264 		kfree(pll);
2265 
2266 	return clk;
2267 }
2268 
2269 struct clk *tegra_clk_register_plle_tegra114(const char *name,
2270 				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;
2277 
2278 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2279 	if (IS_ERR(pll))
2280 		return ERR_CAST(pll);
2281 
2282 	_clk_plle_tegra_init_parent(pll);
2283 
2284 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2285 				      &tegra_clk_plle_tegra114_ops);
2286 	if (IS_ERR(clk))
2287 		kfree(pll);
2288 
2289 	return clk;
2290 }
2291 
2292 struct clk *
2293 tegra_clk_register_pllu_tegra114(const char *name, const char *parent_name,
2294 				 void __iomem *clk_base, unsigned long flags,
2295 				 struct tegra_clk_pll_params *pll_params,
2296 				 spinlock_t *lock)
2297 {
2298 	struct tegra_clk_pll *pll;
2299 	struct clk *clk;
2300 
2301 	pll_params->flags |= TEGRA_PLLU;
2302 
2303 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2304 	if (IS_ERR(pll))
2305 		return ERR_CAST(pll);
2306 
2307 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2308 				      &tegra_clk_pllu_tegra114_ops);
2309 	if (IS_ERR(clk))
2310 		kfree(pll);
2311 
2312 	return clk;
2313 }
2314 #endif
2315 
2316 #if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC) || defined(CONFIG_ARCH_TEGRA_210_SOC)
2317 static const struct clk_ops tegra_clk_pllss_ops = {
2318 	.is_enabled = clk_pll_is_enabled,
2319 	.enable = clk_pll_enable,
2320 	.disable = clk_pll_disable,
2321 	.recalc_rate = clk_pll_recalc_rate,
2322 	.round_rate = clk_pll_ramp_round_rate,
2323 	.set_rate = clk_pllxc_set_rate,
2324 	.restore_context = tegra_clk_pll_restore_context,
2325 };
2326 
2327 struct clk *tegra_clk_register_pllss(const char *name, const char *parent_name,
2328 				void __iomem *clk_base, unsigned long flags,
2329 				struct tegra_clk_pll_params *pll_params,
2330 				spinlock_t *lock)
2331 {
2332 	struct tegra_clk_pll *pll;
2333 	struct clk *clk, *parent;
2334 	struct tegra_clk_pll_freq_table cfg;
2335 	unsigned long parent_rate;
2336 	u32 val, val_iddq;
2337 	int i;
2338 
2339 	if (!pll_params->div_nmp)
2340 		return ERR_PTR(-EINVAL);
2341 
2342 	parent = __clk_lookup(parent_name);
2343 	if (!parent) {
2344 		WARN(1, "parent clk %s of %s must be registered first\n",
2345 			parent_name, name);
2346 		return ERR_PTR(-EINVAL);
2347 	}
2348 
2349 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2350 	if (IS_ERR(pll))
2351 		return ERR_CAST(pll);
2352 
2353 	val = pll_readl_base(pll);
2354 	val &= ~PLLSS_REF_SRC_SEL_MASK;
2355 	pll_writel_base(val, pll);
2356 
2357 	parent_rate = clk_get_rate(parent);
2358 
2359 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2360 
2361 	/* initialize PLL to minimum rate */
2362 
2363 	cfg.m = _pll_fixed_mdiv(pll_params, parent_rate);
2364 	cfg.n = cfg.m * pll_params->vco_min / parent_rate;
2365 
2366 	for (i = 0; pll_params->pdiv_tohw[i].pdiv; i++)
2367 		;
2368 	if (!i) {
2369 		kfree(pll);
2370 		return ERR_PTR(-EINVAL);
2371 	}
2372 
2373 	cfg.p = pll_params->pdiv_tohw[i-1].hw_val;
2374 
2375 	_update_pll_mnp(pll, &cfg);
2376 
2377 	pll_writel_misc(PLLSS_MISC_DEFAULT, pll);
2378 	pll_writel(PLLSS_CFG_DEFAULT, pll_params->ext_misc_reg[0], pll);
2379 	pll_writel(PLLSS_CTRL1_DEFAULT, pll_params->ext_misc_reg[1], pll);
2380 	pll_writel(PLLSS_CTRL1_DEFAULT, pll_params->ext_misc_reg[2], pll);
2381 
2382 	val = pll_readl_base(pll);
2383 	val_iddq = readl_relaxed(clk_base + pll_params->iddq_reg);
2384 	if (val & PLL_BASE_ENABLE) {
2385 		if (val_iddq & BIT(pll_params->iddq_bit_idx)) {
2386 			WARN(1, "%s is on but IDDQ set\n", name);
2387 			kfree(pll);
2388 			return ERR_PTR(-EINVAL);
2389 		}
2390 	} else {
2391 		val_iddq |= BIT(pll_params->iddq_bit_idx);
2392 		writel_relaxed(val_iddq, clk_base + pll_params->iddq_reg);
2393 	}
2394 
2395 	val &= ~PLLSS_LOCK_OVERRIDE;
2396 	pll_writel_base(val, pll);
2397 
2398 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2399 					&tegra_clk_pllss_ops);
2400 
2401 	if (IS_ERR(clk))
2402 		kfree(pll);
2403 
2404 	return clk;
2405 }
2406 #endif
2407 
2408 #if defined(CONFIG_ARCH_TEGRA_210_SOC)
2409 struct clk *tegra_clk_register_pllre_tegra210(const char *name,
2410 			  const char *parent_name, void __iomem *clk_base,
2411 			  void __iomem *pmc, unsigned long flags,
2412 			  struct tegra_clk_pll_params *pll_params,
2413 			  spinlock_t *lock, unsigned long parent_rate)
2414 {
2415 	struct tegra_clk_pll *pll;
2416 	struct clk *clk;
2417 
2418 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2419 
2420 	if (pll_params->adjust_vco)
2421 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2422 							     parent_rate);
2423 
2424 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2425 	if (IS_ERR(pll))
2426 		return ERR_CAST(pll);
2427 
2428 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2429 				      &tegra_clk_pll_ops);
2430 	if (IS_ERR(clk))
2431 		kfree(pll);
2432 
2433 	return clk;
2434 }
2435 
2436 static int clk_plle_tegra210_is_enabled(struct clk_hw *hw)
2437 {
2438 	struct tegra_clk_pll *pll = to_clk_pll(hw);
2439 	u32 val;
2440 
2441 	val = pll_readl_base(pll);
2442 
2443 	return val & PLLE_BASE_ENABLE ? 1 : 0;
2444 }
2445 
2446 static int clk_plle_tegra210_enable(struct clk_hw *hw)
2447 {
2448 	struct tegra_clk_pll *pll = to_clk_pll(hw);
2449 	struct tegra_clk_pll_freq_table sel;
2450 	u32 val;
2451 	int ret = 0;
2452 	unsigned long flags = 0;
2453 	unsigned long input_rate;
2454 
2455 	if (clk_plle_tegra210_is_enabled(hw))
2456 		return 0;
2457 
2458 	input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
2459 
2460 	if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
2461 		return -EINVAL;
2462 
2463 	if (pll->lock)
2464 		spin_lock_irqsave(pll->lock, flags);
2465 
2466 	val = pll_readl(pll->params->aux_reg, pll);
2467 	if (val & PLLE_AUX_SEQ_ENABLE)
2468 		goto out;
2469 
2470 	val = pll_readl_base(pll);
2471 	val &= ~BIT(30); /* Disable lock override */
2472 	pll_writel_base(val, pll);
2473 
2474 	val = pll_readl_misc(pll);
2475 	val |= PLLE_MISC_LOCK_ENABLE;
2476 	val |= PLLE_MISC_IDDQ_SW_CTRL;
2477 	val &= ~PLLE_MISC_IDDQ_SW_VALUE;
2478 	val |= PLLE_MISC_PLLE_PTS;
2479 	val &= ~(PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK);
2480 	pll_writel_misc(val, pll);
2481 	udelay(5);
2482 
2483 	val = pll_readl(PLLE_SS_CTRL, pll);
2484 	val |= PLLE_SS_DISABLE;
2485 	pll_writel(val, PLLE_SS_CTRL, pll);
2486 
2487 	val = pll_readl_base(pll);
2488 	val &= ~(divp_mask_shifted(pll) | divn_mask_shifted(pll) |
2489 		 divm_mask_shifted(pll));
2490 	val &= ~(PLLE_BASE_DIVCML_MASK << PLLE_BASE_DIVCML_SHIFT);
2491 	val |= sel.m << divm_shift(pll);
2492 	val |= sel.n << divn_shift(pll);
2493 	val |= sel.cpcon << PLLE_BASE_DIVCML_SHIFT;
2494 	pll_writel_base(val, pll);
2495 	udelay(1);
2496 
2497 	val = pll_readl_base(pll);
2498 	val |= PLLE_BASE_ENABLE;
2499 	pll_writel_base(val, pll);
2500 
2501 	ret = clk_pll_wait_for_lock(pll);
2502 
2503 	if (ret < 0)
2504 		goto out;
2505 
2506 	val = pll_readl(PLLE_SS_CTRL, pll);
2507 	val &= ~(PLLE_SS_CNTL_CENTER | PLLE_SS_CNTL_INVERT);
2508 	val &= ~PLLE_SS_COEFFICIENTS_MASK;
2509 	val |= PLLE_SS_COEFFICIENTS_VAL_TEGRA210;
2510 	pll_writel(val, PLLE_SS_CTRL, pll);
2511 	val &= ~(PLLE_SS_CNTL_SSC_BYP | PLLE_SS_CNTL_BYPASS_SS);
2512 	pll_writel(val, PLLE_SS_CTRL, pll);
2513 	udelay(1);
2514 	val &= ~PLLE_SS_CNTL_INTERP_RESET;
2515 	pll_writel(val, PLLE_SS_CTRL, pll);
2516 	udelay(1);
2517 
2518 out:
2519 	if (pll->lock)
2520 		spin_unlock_irqrestore(pll->lock, flags);
2521 
2522 	return ret;
2523 }
2524 
2525 static void clk_plle_tegra210_disable(struct clk_hw *hw)
2526 {
2527 	struct tegra_clk_pll *pll = to_clk_pll(hw);
2528 	unsigned long flags = 0;
2529 	u32 val;
2530 
2531 	if (pll->lock)
2532 		spin_lock_irqsave(pll->lock, flags);
2533 
2534 	/* If PLLE HW sequencer is enabled, SW should not disable PLLE */
2535 	val = pll_readl(pll->params->aux_reg, pll);
2536 	if (val & PLLE_AUX_SEQ_ENABLE)
2537 		goto out;
2538 
2539 	val = pll_readl_base(pll);
2540 	val &= ~PLLE_BASE_ENABLE;
2541 	pll_writel_base(val, pll);
2542 
2543 	val = pll_readl(pll->params->aux_reg, pll);
2544 	val |= PLLE_AUX_ENABLE_SWCTL | PLLE_AUX_SS_SWCTL;
2545 	pll_writel(val, pll->params->aux_reg, pll);
2546 
2547 	val = pll_readl_misc(pll);
2548 	val |= PLLE_MISC_IDDQ_SW_CTRL | PLLE_MISC_IDDQ_SW_VALUE;
2549 	pll_writel_misc(val, pll);
2550 	udelay(1);
2551 
2552 out:
2553 	if (pll->lock)
2554 		spin_unlock_irqrestore(pll->lock, flags);
2555 }
2556 
2557 static void tegra_clk_plle_t210_restore_context(struct clk_hw *hw)
2558 {
2559 	struct tegra_clk_pll *pll = to_clk_pll(hw);
2560 
2561 	_clk_plle_tegra_init_parent(pll);
2562 }
2563 
2564 static const struct clk_ops tegra_clk_plle_tegra210_ops = {
2565 	.is_enabled =  clk_plle_tegra210_is_enabled,
2566 	.enable = clk_plle_tegra210_enable,
2567 	.disable = clk_plle_tegra210_disable,
2568 	.recalc_rate = clk_pll_recalc_rate,
2569 	.restore_context = tegra_clk_plle_t210_restore_context,
2570 };
2571 
2572 struct clk *tegra_clk_register_plle_tegra210(const char *name,
2573 				const char *parent_name,
2574 				void __iomem *clk_base, unsigned long flags,
2575 				struct tegra_clk_pll_params *pll_params,
2576 				spinlock_t *lock)
2577 {
2578 	struct tegra_clk_pll *pll;
2579 	struct clk *clk;
2580 
2581 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2582 	if (IS_ERR(pll))
2583 		return ERR_CAST(pll);
2584 
2585 	_clk_plle_tegra_init_parent(pll);
2586 
2587 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2588 				      &tegra_clk_plle_tegra210_ops);
2589 	if (IS_ERR(clk))
2590 		kfree(pll);
2591 
2592 	return clk;
2593 }
2594 
2595 struct clk *tegra_clk_register_pllc_tegra210(const char *name,
2596 			const char *parent_name, void __iomem *clk_base,
2597 			void __iomem *pmc, unsigned long flags,
2598 			struct tegra_clk_pll_params *pll_params,
2599 			spinlock_t *lock)
2600 {
2601 	struct clk *parent, *clk;
2602 	const struct pdiv_map *p_tohw = pll_params->pdiv_tohw;
2603 	struct tegra_clk_pll *pll;
2604 	unsigned long parent_rate;
2605 
2606 	if (!p_tohw)
2607 		return ERR_PTR(-EINVAL);
2608 
2609 	parent = __clk_lookup(parent_name);
2610 	if (!parent) {
2611 		WARN(1, "parent clk %s of %s must be registered first\n",
2612 			name, parent_name);
2613 		return ERR_PTR(-EINVAL);
2614 	}
2615 
2616 	parent_rate = clk_get_rate(parent);
2617 
2618 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2619 
2620 	if (pll_params->adjust_vco)
2621 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2622 							     parent_rate);
2623 
2624 	pll_params->flags |= TEGRA_PLL_BYPASS;
2625 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2626 	if (IS_ERR(pll))
2627 		return ERR_CAST(pll);
2628 
2629 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2630 				      &tegra_clk_pll_ops);
2631 	if (IS_ERR(clk))
2632 		kfree(pll);
2633 
2634 	return clk;
2635 }
2636 
2637 struct clk *tegra_clk_register_pllss_tegra210(const char *name,
2638 				const char *parent_name, void __iomem *clk_base,
2639 				unsigned long flags,
2640 				struct tegra_clk_pll_params *pll_params,
2641 				spinlock_t *lock)
2642 {
2643 	struct tegra_clk_pll *pll;
2644 	struct clk *clk, *parent;
2645 	unsigned long parent_rate;
2646 	u32 val;
2647 
2648 	if (!pll_params->div_nmp)
2649 		return ERR_PTR(-EINVAL);
2650 
2651 	parent = __clk_lookup(parent_name);
2652 	if (!parent) {
2653 		WARN(1, "parent clk %s of %s must be registered first\n",
2654 			name, parent_name);
2655 		return ERR_PTR(-EINVAL);
2656 	}
2657 
2658 	val = readl_relaxed(clk_base + pll_params->base_reg);
2659 	if (val & PLLSS_REF_SRC_SEL_MASK) {
2660 		WARN(1, "not supported reference clock for %s\n", name);
2661 		return ERR_PTR(-EINVAL);
2662 	}
2663 
2664 	parent_rate = clk_get_rate(parent);
2665 
2666 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2667 
2668 	if (pll_params->adjust_vco)
2669 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2670 							     parent_rate);
2671 
2672 	pll_params->flags |= TEGRA_PLL_BYPASS;
2673 	pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
2674 	if (IS_ERR(pll))
2675 		return ERR_CAST(pll);
2676 
2677 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2678 					&tegra_clk_pll_ops);
2679 
2680 	if (IS_ERR(clk))
2681 		kfree(pll);
2682 
2683 	return clk;
2684 }
2685 
2686 struct clk *tegra_clk_register_pllmb(const char *name, const char *parent_name,
2687 			  void __iomem *clk_base, void __iomem *pmc,
2688 			  unsigned long flags,
2689 			  struct tegra_clk_pll_params *pll_params,
2690 			  spinlock_t *lock)
2691 {
2692 	struct tegra_clk_pll *pll;
2693 	struct clk *clk, *parent;
2694 	unsigned long parent_rate;
2695 
2696 	if (!pll_params->pdiv_tohw)
2697 		return ERR_PTR(-EINVAL);
2698 
2699 	parent = __clk_lookup(parent_name);
2700 	if (!parent) {
2701 		WARN(1, "parent clk %s of %s must be registered first\n",
2702 			parent_name, name);
2703 		return ERR_PTR(-EINVAL);
2704 	}
2705 
2706 	parent_rate = clk_get_rate(parent);
2707 
2708 	pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
2709 
2710 	if (pll_params->adjust_vco)
2711 		pll_params->vco_min = pll_params->adjust_vco(pll_params,
2712 							     parent_rate);
2713 
2714 	pll_params->flags |= TEGRA_PLL_BYPASS;
2715 	pll_params->flags |= TEGRA_PLLMB;
2716 	pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
2717 	if (IS_ERR(pll))
2718 		return ERR_CAST(pll);
2719 
2720 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
2721 				      &tegra_clk_pll_ops);
2722 	if (IS_ERR(clk))
2723 		kfree(pll);
2724 
2725 	return clk;
2726 }
2727 
2728 #endif
2729