Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2017, The Linux Foundation. All rights reserved.
4 */
5
6#include <linux/clk.h>
7#include <linux/clk-provider.h>
8#include <linux/delay.h>
9#include <linux/err.h>
10#include <linux/io.h>
11#include <linux/iopoll.h>
12#include <linux/kernel.h>
13#include <linux/module.h>
14#include <linux/of.h>
15#include <linux/of_device.h>
16#include <linux/of_address.h>
17#include <linux/phy/phy.h>
18#include <linux/platform_device.h>
19#include <linux/regulator/consumer.h>
20#include <linux/reset.h>
21#include <linux/slab.h>
22
23#include <dt-bindings/phy/phy.h>
24
25#include "phy-qcom-qmp.h"
26
27/* QPHY_SW_RESET bit */
28#define SW_RESET BIT(0)
29/* QPHY_POWER_DOWN_CONTROL */
30#define SW_PWRDN BIT(0)
31#define REFCLK_DRV_DSBL BIT(1)
32/* QPHY_START_CONTROL bits */
33#define SERDES_START BIT(0)
34#define PCS_START BIT(1)
35#define PLL_READY_GATE_EN BIT(3)
36/* QPHY_PCS_STATUS bit */
37#define PHYSTATUS BIT(6)
38/* QPHY_COM_PCS_READY_STATUS bit */
39#define PCS_READY BIT(0)
40
41/* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */
42/* DP PHY soft reset */
43#define SW_DPPHY_RESET BIT(0)
44/* mux to select DP PHY reset control, 0:HW control, 1: software reset */
45#define SW_DPPHY_RESET_MUX BIT(1)
46/* USB3 PHY soft reset */
47#define SW_USB3PHY_RESET BIT(2)
48/* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */
49#define SW_USB3PHY_RESET_MUX BIT(3)
50
51/* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */
52#define USB3_MODE BIT(0) /* enables USB3 mode */
53#define DP_MODE BIT(1) /* enables DP mode */
54
55/* QPHY_PCS_AUTONOMOUS_MODE_CTRL register bits */
56#define ARCVR_DTCT_EN BIT(0)
57#define ALFPS_DTCT_EN BIT(1)
58#define ARCVR_DTCT_EVENT_SEL BIT(4)
59
60/* QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR register bits */
61#define IRQ_CLEAR BIT(0)
62
63/* QPHY_PCS_LFPS_RXTERM_IRQ_STATUS register bits */
64#define RCVR_DETECT BIT(0)
65
66/* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */
67#define CLAMP_EN BIT(0) /* enables i/o clamp_n */
68
69#define PHY_INIT_COMPLETE_TIMEOUT 1000
70#define POWER_DOWN_DELAY_US_MIN 10
71#define POWER_DOWN_DELAY_US_MAX 11
72
73#define MAX_PROP_NAME 32
74
75struct qmp_phy_init_tbl {
76 unsigned int offset;
77 unsigned int val;
78 /*
79 * register part of layout ?
80 * if yes, then offset gives index in the reg-layout
81 */
82 int in_layout;
83};
84
85#define QMP_PHY_INIT_CFG(o, v) \
86 { \
87 .offset = o, \
88 .val = v, \
89 }
90
91#define QMP_PHY_INIT_CFG_L(o, v) \
92 { \
93 .offset = o, \
94 .val = v, \
95 .in_layout = 1, \
96 }
97
98/* set of registers with offsets different per-PHY */
99enum qphy_reg_layout {
100 /* Common block control registers */
101 QPHY_COM_SW_RESET,
102 QPHY_COM_POWER_DOWN_CONTROL,
103 QPHY_COM_START_CONTROL,
104 QPHY_COM_PCS_READY_STATUS,
105 /* PCS registers */
106 QPHY_PLL_LOCK_CHK_DLY_TIME,
107 QPHY_FLL_CNTRL1,
108 QPHY_FLL_CNTRL2,
109 QPHY_FLL_CNT_VAL_L,
110 QPHY_FLL_CNT_VAL_H_TOL,
111 QPHY_FLL_MAN_CODE,
112 QPHY_SW_RESET,
113 QPHY_START_CTRL,
114 QPHY_PCS_READY_STATUS,
115 QPHY_PCS_AUTONOMOUS_MODE_CTRL,
116 QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
117 QPHY_PCS_LFPS_RXTERM_IRQ_STATUS,
118};
119
120static const unsigned int pciephy_regs_layout[] = {
121 [QPHY_COM_SW_RESET] = 0x400,
122 [QPHY_COM_POWER_DOWN_CONTROL] = 0x404,
123 [QPHY_COM_START_CONTROL] = 0x408,
124 [QPHY_COM_PCS_READY_STATUS] = 0x448,
125 [QPHY_PLL_LOCK_CHK_DLY_TIME] = 0xa8,
126 [QPHY_FLL_CNTRL1] = 0xc4,
127 [QPHY_FLL_CNTRL2] = 0xc8,
128 [QPHY_FLL_CNT_VAL_L] = 0xcc,
129 [QPHY_FLL_CNT_VAL_H_TOL] = 0xd0,
130 [QPHY_FLL_MAN_CODE] = 0xd4,
131 [QPHY_SW_RESET] = 0x00,
132 [QPHY_START_CTRL] = 0x08,
133 [QPHY_PCS_READY_STATUS] = 0x174,
134};
135
136static const unsigned int usb3phy_regs_layout[] = {
137 [QPHY_FLL_CNTRL1] = 0xc0,
138 [QPHY_FLL_CNTRL2] = 0xc4,
139 [QPHY_FLL_CNT_VAL_L] = 0xc8,
140 [QPHY_FLL_CNT_VAL_H_TOL] = 0xcc,
141 [QPHY_FLL_MAN_CODE] = 0xd0,
142 [QPHY_SW_RESET] = 0x00,
143 [QPHY_START_CTRL] = 0x08,
144 [QPHY_PCS_READY_STATUS] = 0x17c,
145 [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d4,
146 [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0d8,
147 [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x178,
148};
149
150static const unsigned int qmp_v3_usb3phy_regs_layout[] = {
151 [QPHY_SW_RESET] = 0x00,
152 [QPHY_START_CTRL] = 0x08,
153 [QPHY_PCS_READY_STATUS] = 0x174,
154 [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d8,
155 [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0dc,
156 [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170,
157};
158
159static const unsigned int sdm845_ufsphy_regs_layout[] = {
160 [QPHY_START_CTRL] = 0x00,
161 [QPHY_PCS_READY_STATUS] = 0x160,
162};
163
164static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
165 QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c),
166 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
167 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33),
168 QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06),
169 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x42),
170 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00),
171 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff),
172 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x1f),
173 QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x01),
174 QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01),
175 QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00),
176 QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x0a),
177 QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x09),
178 QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
179 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03),
180 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55),
181 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55),
182 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
183 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x1a),
184 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x0a),
185 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33),
186 QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x02),
187 QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x1f),
188 QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x04),
189 QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
190 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
191 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
192 QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
193 QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
194 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01),
195 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31),
196 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01),
197 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x02),
198 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00),
199 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f),
200 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19),
201 QMP_PHY_INIT_CFG(QSERDES_COM_RESCODE_DIV_NUM, 0x15),
202 QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f),
203 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f),
204 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19),
205 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
206 QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00),
207 QMP_PHY_INIT_CFG(QSERDES_COM_RESCODE_DIV_NUM, 0x40),
208};
209
210static const struct qmp_phy_init_tbl msm8996_pcie_tx_tbl[] = {
211 QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45),
212 QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06),
213};
214
215static const struct qmp_phy_init_tbl msm8996_pcie_rx_tbl[] = {
216 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x1c),
217 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x01),
218 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x00),
219 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb),
220 QMP_PHY_INIT_CFG(QSERDES_RX_RX_BAND, 0x18),
221 QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x04),
222 QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x04),
223 QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
224 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x14),
225 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x19),
226};
227
228static const struct qmp_phy_init_tbl msm8996_pcie_pcs_tbl[] = {
229 QMP_PHY_INIT_CFG(QPHY_RX_IDLE_DTCT_CNTRL, 0x4c),
230 QMP_PHY_INIT_CFG(QPHY_PWRUP_RESET_DLY_TIME_AUXCLK, 0x00),
231 QMP_PHY_INIT_CFG(QPHY_LP_WAKEUP_DLY_TIME_AUXCLK, 0x01),
232
233 QMP_PHY_INIT_CFG_L(QPHY_PLL_LOCK_CHK_DLY_TIME, 0x05),
234
235 QMP_PHY_INIT_CFG(QPHY_ENDPOINT_REFCLK_DRIVE, 0x05),
236 QMP_PHY_INIT_CFG(QPHY_POWER_DOWN_CONTROL, 0x02),
237 QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG4, 0x00),
238 QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG1, 0xa3),
239 QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M3P5DB_V0, 0x0e),
240};
241
242static const struct qmp_phy_init_tbl msm8996_usb3_serdes_tbl[] = {
243 QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x14),
244 QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
245 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
246 QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06),
247 QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01),
248 QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00),
249 QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f),
250 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f),
251 QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x04),
252 /* PLL and Loop filter settings */
253 QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
254 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55),
255 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55),
256 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03),
257 QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
258 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
259 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
260 QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
261 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x00),
262 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x15),
263 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x34),
264 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
265 QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00),
266 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00),
267 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00),
268 QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a),
269 /* SSC settings */
270 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01),
271 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31),
272 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01),
273 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x00),
274 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00),
275 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0xde),
276 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x07),
277};
278
279static const struct qmp_phy_init_tbl msm8996_usb3_tx_tbl[] = {
280 QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45),
281 QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12),
282 QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06),
283};
284
285static const struct qmp_phy_init_tbl msm8996_usb3_rx_tbl[] = {
286 QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
287 QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x04),
288 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02),
289 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4c),
290 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xbb),
291 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
292 QMP_PHY_INIT_CFG(QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
293 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x03),
294 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x18),
295 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
296};
297
298static const struct qmp_phy_init_tbl msm8996_usb3_pcs_tbl[] = {
299 /* FLL settings */
300 QMP_PHY_INIT_CFG_L(QPHY_FLL_CNTRL2, 0x03),
301 QMP_PHY_INIT_CFG_L(QPHY_FLL_CNTRL1, 0x02),
302 QMP_PHY_INIT_CFG_L(QPHY_FLL_CNT_VAL_L, 0x09),
303 QMP_PHY_INIT_CFG_L(QPHY_FLL_CNT_VAL_H_TOL, 0x42),
304 QMP_PHY_INIT_CFG_L(QPHY_FLL_MAN_CODE, 0x85),
305
306 /* Lock Det settings */
307 QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG1, 0xd1),
308 QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG2, 0x1f),
309 QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG3, 0x47),
310 QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG2, 0x08),
311};
312
313static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = {
314 QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x18),
315 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
316 QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0xf),
317 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x1),
318 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x0),
319 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0x1f),
320 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f),
321 QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x6),
322 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0xf),
323 QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x0),
324 QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x1),
325 QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x20),
326 QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0xa),
327 QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL, 0x20),
328 QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0xa),
329 QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0xa),
330 QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
331 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x3),
332 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55),
333 QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55),
334 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x0),
335 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0xD),
336 QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xD04),
337 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33),
338 QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x2),
339 QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x1f),
340 QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0xb),
341 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
342 QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
343 QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x0),
344 QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
345 QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CTRL_BY_PSM, 0x1),
346 QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0xa),
347 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x1),
348 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31),
349 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x1),
350 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x2),
351 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x0),
352 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f),
353 QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19),
354 QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19),
355 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x7),
356};
357
358static const struct qmp_phy_init_tbl ipq8074_pcie_tx_tbl[] = {
359 QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45),
360 QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x6),
361 QMP_PHY_INIT_CFG(QSERDES_TX_RES_CODE_LANE_OFFSET, 0x2),
362 QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12),
363};
364
365static const struct qmp_phy_init_tbl ipq8074_pcie_rx_tbl[] = {
366 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x1c),
367 QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x14),
368 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x1),
369 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x0),
370 QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb),
371 QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
372 QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x4),
373 QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x4),
374};
375
376static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = {
377 QMP_PHY_INIT_CFG(QPHY_ENDPOINT_REFCLK_DRIVE, 0x4),
378 QMP_PHY_INIT_CFG(QPHY_OSC_DTCT_ACTIONS, 0x0),
379 QMP_PHY_INIT_CFG(QPHY_PWRUP_RESET_DLY_TIME_AUXCLK, 0x40),
380 QMP_PHY_INIT_CFG(QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB, 0x0),
381 QMP_PHY_INIT_CFG(QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB, 0x40),
382 QMP_PHY_INIT_CFG(QPHY_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB, 0x0),
383 QMP_PHY_INIT_CFG(QPHY_LP_WAKEUP_DLY_TIME_AUXCLK, 0x40),
384 QMP_PHY_INIT_CFG_L(QPHY_PLL_LOCK_CHK_DLY_TIME, 0x73),
385 QMP_PHY_INIT_CFG(QPHY_RX_SIGDET_LVL, 0x99),
386 QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M6DB_V0, 0x15),
387 QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M3P5DB_V0, 0xe),
388 QMP_PHY_INIT_CFG_L(QPHY_SW_RESET, 0x0),
389 QMP_PHY_INIT_CFG_L(QPHY_START_CTRL, 0x3),
390};
391
392static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = {
393 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
394 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14),
395 QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
396 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
397 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
398 QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08),
399 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x16),
400 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
401 QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80),
402 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
403 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab),
404 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea),
405 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02),
406 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
407 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
408 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
409 QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
410 QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
411 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
412 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9),
413 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
414 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
415 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34),
416 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15),
417 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04),
418 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
419 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00),
420 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
421 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a),
422 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01),
423 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31),
424 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01),
425 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00),
426 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00),
427 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85),
428 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07),
429};
430
431static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = {
432 QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10),
433 QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12),
434 QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x16),
435 QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
436 QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
437};
438
439static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = {
440 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
441 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
442 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e),
443 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18),
444 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
445 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
446 QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03),
447 QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
448 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75),
449};
450
451static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = {
452 /* FLL settings */
453 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
454 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
455 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
456 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40),
457 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
458
459 /* Lock Det settings */
460 QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
461 QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
462 QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
463 QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
464
465 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0xba),
466 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f),
467 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f),
468 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb7),
469 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4e),
470 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x65),
471 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6b),
472 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
473 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d),
474 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15),
475 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d),
476 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15),
477 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d),
478 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15),
479 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x1d),
480 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15),
481 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d),
482 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15),
483 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d),
484
485 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02),
486 QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
487 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
488 QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
489 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
490 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
491 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
492 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
493 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
494 QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
495 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
496};
497
498static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_serdes_tbl[] = {
499 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
500 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14),
501 QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x04),
502 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
503 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
504 QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08),
505 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06),
506 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
507 QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80),
508 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
509 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab),
510 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea),
511 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02),
512 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
513 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
514 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
515 QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
516 QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
517 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
518 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9),
519 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
520 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
521 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34),
522 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15),
523 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04),
524 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
525 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00),
526 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
527 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a),
528 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01),
529 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31),
530 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01),
531 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00),
532 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00),
533 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85),
534 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07),
535};
536
537static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_tx_tbl[] = {
538 QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10),
539 QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12),
540 QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0xc6),
541 QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x06),
542 QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
543};
544
545static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_rx_tbl[] = {
546 QMP_PHY_INIT_CFG(QSERDES_V3_RX_VGA_CAL_CNTRL2, 0x0c),
547 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x50),
548 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
549 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0e),
550 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e),
551 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18),
552 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
553 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
554 QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03),
555 QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1c),
556 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75),
557};
558
559static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_pcs_tbl[] = {
560 /* FLL settings */
561 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
562 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
563 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
564 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40),
565 QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
566
567 /* Lock Det settings */
568 QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
569 QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
570 QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
571 QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
572
573 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0xba),
574 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f),
575 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f),
576 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb5),
577 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4c),
578 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x64),
579 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6a),
580 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
581 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d),
582 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15),
583 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d),
584 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15),
585 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d),
586 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15),
587 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x1d),
588 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15),
589 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d),
590 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15),
591 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d),
592
593 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02),
594 QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
595 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
596 QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
597 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
598 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
599 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
600 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
601 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
602 QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
603 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
604
605 QMP_PHY_INIT_CFG(QPHY_V3_PCS_REFGEN_REQ_CONFIG1, 0x21),
606 QMP_PHY_INIT_CFG(QPHY_V3_PCS_REFGEN_REQ_CONFIG2, 0x60),
607};
608
609static const struct qmp_phy_init_tbl sdm845_ufsphy_serdes_tbl[] = {
610 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
611 QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x04),
612 QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a),
613 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
614 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06),
615 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0xd5),
616 QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL, 0x20),
617 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
618 QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00),
619 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x01),
620 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_CTRL, 0x00),
621 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
622 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x04),
623 QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x05),
624 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL1, 0xff),
625 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL2, 0x00),
626 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
627 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
628 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
629 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
630 QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
631 QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
632 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xda),
633 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
634 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0xff),
635 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0c),
636 QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE1, 0x98),
637 QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE1, 0x06),
638 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE1, 0x16),
639 QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE1, 0x36),
640 QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE1, 0x3f),
641 QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
642 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE1, 0xc1),
643 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE1, 0x00),
644 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE1, 0x32),
645 QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE1, 0x0f),
646
647 /* Rate B */
648 QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x44),
649};
650
651static const struct qmp_phy_init_tbl sdm845_ufsphy_tx_tbl[] = {
652 QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x06),
653 QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x04),
654 QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x07),
655};
656
657static const struct qmp_phy_init_tbl sdm845_ufsphy_rx_tbl[] = {
658 QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_LVL, 0x24),
659 QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x0f),
660 QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
661 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_INTERFACE_MODE, 0x40),
662 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
663 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_TERM_BW, 0x5b),
664 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
665 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
666 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1b),
667 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF, 0x04),
668 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER, 0x04),
669 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN, 0x04),
670 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
671 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x81),
672 QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
673 QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x59),
674};
675
676static const struct qmp_phy_init_tbl sdm845_ufsphy_pcs_tbl[] = {
677 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_CTRL2, 0x6e),
678 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TX_LARGE_AMP_DRV_LVL, 0x0a),
679 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TX_SMALL_AMP_DRV_LVL, 0x02),
680 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SYM_RESYNC_CTRL, 0x03),
681 QMP_PHY_INIT_CFG(QPHY_V3_PCS_TX_MID_TERM_CTRL1, 0x43),
682 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_CTRL1, 0x0f),
683 QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_MIN_HIBERN8_TIME, 0x9a),
684 QMP_PHY_INIT_CFG(QPHY_V3_PCS_MULTI_LANE_CTRL1, 0x02),
685};
686
687/* struct qmp_phy_cfg - per-PHY initialization config */
688struct qmp_phy_cfg {
689 /* phy-type - PCIE/UFS/USB */
690 unsigned int type;
691 /* number of lanes provided by phy */
692 int nlanes;
693
694 /* Init sequence for PHY blocks - serdes, tx, rx, pcs */
695 const struct qmp_phy_init_tbl *serdes_tbl;
696 int serdes_tbl_num;
697 const struct qmp_phy_init_tbl *tx_tbl;
698 int tx_tbl_num;
699 const struct qmp_phy_init_tbl *rx_tbl;
700 int rx_tbl_num;
701 const struct qmp_phy_init_tbl *pcs_tbl;
702 int pcs_tbl_num;
703
704 /* clock ids to be requested */
705 const char * const *clk_list;
706 int num_clks;
707 /* resets to be requested */
708 const char * const *reset_list;
709 int num_resets;
710 /* regulators to be requested */
711 const char * const *vreg_list;
712 int num_vregs;
713
714 /* array of registers with different offsets */
715 const unsigned int *regs;
716
717 unsigned int start_ctrl;
718 unsigned int pwrdn_ctrl;
719 unsigned int mask_pcs_ready;
720 unsigned int mask_com_pcs_ready;
721
722 /* true, if PHY has a separate PHY_COM control block */
723 bool has_phy_com_ctrl;
724 /* true, if PHY has a reset for individual lanes */
725 bool has_lane_rst;
726 /* true, if PHY needs delay after POWER_DOWN */
727 bool has_pwrdn_delay;
728 /* power_down delay in usec */
729 int pwrdn_delay_min;
730 int pwrdn_delay_max;
731
732 /* true, if PHY has a separate DP_COM control block */
733 bool has_phy_dp_com_ctrl;
734 /* true, if PHY has secondary tx/rx lanes to be configured */
735 bool is_dual_lane_phy;
736 /* Register offset of secondary tx/rx lanes for USB DP combo PHY */
737 unsigned int tx_b_lane_offset;
738 unsigned int rx_b_lane_offset;
739
740 /* true, if PCS block has no separate SW_RESET register */
741 bool no_pcs_sw_reset;
742};
743
744/**
745 * struct qmp_phy - per-lane phy descriptor
746 *
747 * @phy: generic phy
748 * @tx: iomapped memory space for lane's tx
749 * @rx: iomapped memory space for lane's rx
750 * @pcs: iomapped memory space for lane's pcs
751 * @pcs_misc: iomapped memory space for lane's pcs_misc
752 * @pipe_clk: pipe lock
753 * @index: lane index
754 * @qmp: QMP phy to which this lane belongs
755 * @lane_rst: lane's reset controller
756 */
757struct qmp_phy {
758 struct phy *phy;
759 void __iomem *tx;
760 void __iomem *rx;
761 void __iomem *pcs;
762 void __iomem *pcs_misc;
763 struct clk *pipe_clk;
764 unsigned int index;
765 struct qcom_qmp *qmp;
766 struct reset_control *lane_rst;
767};
768
769/**
770 * struct qcom_qmp - structure holding QMP phy block attributes
771 *
772 * @dev: device
773 * @serdes: iomapped memory space for phy's serdes
774 * @dp_com: iomapped memory space for phy's dp_com control block
775 *
776 * @clks: array of clocks required by phy
777 * @resets: array of resets required by phy
778 * @vregs: regulator supplies bulk data
779 *
780 * @cfg: phy specific configuration
781 * @phys: array of per-lane phy descriptors
782 * @phy_mutex: mutex lock for PHY common block initialization
783 * @init_count: phy common block initialization count
784 * @phy_initialized: indicate if PHY has been initialized
785 * @mode: current PHY mode
786 */
787struct qcom_qmp {
788 struct device *dev;
789 void __iomem *serdes;
790 void __iomem *dp_com;
791
792 struct clk_bulk_data *clks;
793 struct reset_control **resets;
794 struct regulator_bulk_data *vregs;
795
796 const struct qmp_phy_cfg *cfg;
797 struct qmp_phy **phys;
798
799 struct mutex phy_mutex;
800 int init_count;
801 bool phy_initialized;
802 enum phy_mode mode;
803};
804
805static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
806{
807 u32 reg;
808
809 reg = readl(base + offset);
810 reg |= val;
811 writel(reg, base + offset);
812
813 /* ensure that above write is through */
814 readl(base + offset);
815}
816
817static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
818{
819 u32 reg;
820
821 reg = readl(base + offset);
822 reg &= ~val;
823 writel(reg, base + offset);
824
825 /* ensure that above write is through */
826 readl(base + offset);
827}
828
829/* list of clocks required by phy */
830static const char * const msm8996_phy_clk_l[] = {
831 "aux", "cfg_ahb", "ref",
832};
833
834static const char * const qmp_v3_phy_clk_l[] = {
835 "aux", "cfg_ahb", "ref", "com_aux",
836};
837
838static const char * const sdm845_ufs_phy_clk_l[] = {
839 "ref", "ref_aux",
840};
841
842/* list of resets */
843static const char * const msm8996_pciephy_reset_l[] = {
844 "phy", "common", "cfg",
845};
846
847static const char * const msm8996_usb3phy_reset_l[] = {
848 "phy", "common",
849};
850
851/* list of regulators */
852static const char * const qmp_phy_vreg_l[] = {
853 "vdda-phy", "vdda-pll",
854};
855
856static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
857 .type = PHY_TYPE_PCIE,
858 .nlanes = 3,
859
860 .serdes_tbl = msm8996_pcie_serdes_tbl,
861 .serdes_tbl_num = ARRAY_SIZE(msm8996_pcie_serdes_tbl),
862 .tx_tbl = msm8996_pcie_tx_tbl,
863 .tx_tbl_num = ARRAY_SIZE(msm8996_pcie_tx_tbl),
864 .rx_tbl = msm8996_pcie_rx_tbl,
865 .rx_tbl_num = ARRAY_SIZE(msm8996_pcie_rx_tbl),
866 .pcs_tbl = msm8996_pcie_pcs_tbl,
867 .pcs_tbl_num = ARRAY_SIZE(msm8996_pcie_pcs_tbl),
868 .clk_list = msm8996_phy_clk_l,
869 .num_clks = ARRAY_SIZE(msm8996_phy_clk_l),
870 .reset_list = msm8996_pciephy_reset_l,
871 .num_resets = ARRAY_SIZE(msm8996_pciephy_reset_l),
872 .vreg_list = qmp_phy_vreg_l,
873 .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
874 .regs = pciephy_regs_layout,
875
876 .start_ctrl = PCS_START | PLL_READY_GATE_EN,
877 .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
878 .mask_com_pcs_ready = PCS_READY,
879
880 .has_phy_com_ctrl = true,
881 .has_lane_rst = true,
882 .has_pwrdn_delay = true,
883 .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
884 .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
885};
886
887static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
888 .type = PHY_TYPE_USB3,
889 .nlanes = 1,
890
891 .serdes_tbl = msm8996_usb3_serdes_tbl,
892 .serdes_tbl_num = ARRAY_SIZE(msm8996_usb3_serdes_tbl),
893 .tx_tbl = msm8996_usb3_tx_tbl,
894 .tx_tbl_num = ARRAY_SIZE(msm8996_usb3_tx_tbl),
895 .rx_tbl = msm8996_usb3_rx_tbl,
896 .rx_tbl_num = ARRAY_SIZE(msm8996_usb3_rx_tbl),
897 .pcs_tbl = msm8996_usb3_pcs_tbl,
898 .pcs_tbl_num = ARRAY_SIZE(msm8996_usb3_pcs_tbl),
899 .clk_list = msm8996_phy_clk_l,
900 .num_clks = ARRAY_SIZE(msm8996_phy_clk_l),
901 .reset_list = msm8996_usb3phy_reset_l,
902 .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
903 .vreg_list = qmp_phy_vreg_l,
904 .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
905 .regs = usb3phy_regs_layout,
906
907 .start_ctrl = SERDES_START | PCS_START,
908 .pwrdn_ctrl = SW_PWRDN,
909 .mask_pcs_ready = PHYSTATUS,
910};
911
912/* list of resets */
913static const char * const ipq8074_pciephy_reset_l[] = {
914 "phy", "common",
915};
916
917static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
918 .type = PHY_TYPE_PCIE,
919 .nlanes = 1,
920
921 .serdes_tbl = ipq8074_pcie_serdes_tbl,
922 .serdes_tbl_num = ARRAY_SIZE(ipq8074_pcie_serdes_tbl),
923 .tx_tbl = ipq8074_pcie_tx_tbl,
924 .tx_tbl_num = ARRAY_SIZE(ipq8074_pcie_tx_tbl),
925 .rx_tbl = ipq8074_pcie_rx_tbl,
926 .rx_tbl_num = ARRAY_SIZE(ipq8074_pcie_rx_tbl),
927 .pcs_tbl = ipq8074_pcie_pcs_tbl,
928 .pcs_tbl_num = ARRAY_SIZE(ipq8074_pcie_pcs_tbl),
929 .clk_list = NULL,
930 .num_clks = 0,
931 .reset_list = ipq8074_pciephy_reset_l,
932 .num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l),
933 .vreg_list = NULL,
934 .num_vregs = 0,
935 .regs = pciephy_regs_layout,
936
937 .start_ctrl = SERDES_START | PCS_START,
938 .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
939 .mask_pcs_ready = PHYSTATUS,
940
941 .has_phy_com_ctrl = false,
942 .has_lane_rst = false,
943 .has_pwrdn_delay = true,
944 .pwrdn_delay_min = 995, /* us */
945 .pwrdn_delay_max = 1005, /* us */
946};
947
948static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
949 .type = PHY_TYPE_USB3,
950 .nlanes = 1,
951
952 .serdes_tbl = qmp_v3_usb3_serdes_tbl,
953 .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
954 .tx_tbl = qmp_v3_usb3_tx_tbl,
955 .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
956 .rx_tbl = qmp_v3_usb3_rx_tbl,
957 .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
958 .pcs_tbl = qmp_v3_usb3_pcs_tbl,
959 .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
960 .clk_list = qmp_v3_phy_clk_l,
961 .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l),
962 .reset_list = msm8996_usb3phy_reset_l,
963 .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
964 .vreg_list = qmp_phy_vreg_l,
965 .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
966 .regs = qmp_v3_usb3phy_regs_layout,
967
968 .start_ctrl = SERDES_START | PCS_START,
969 .pwrdn_ctrl = SW_PWRDN,
970 .mask_pcs_ready = PHYSTATUS,
971
972 .has_pwrdn_delay = true,
973 .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
974 .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
975
976 .has_phy_dp_com_ctrl = true,
977 .is_dual_lane_phy = true,
978 .tx_b_lane_offset = 0x400,
979 .rx_b_lane_offset = 0x400,
980};
981
982static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
983 .type = PHY_TYPE_USB3,
984 .nlanes = 1,
985
986 .serdes_tbl = qmp_v3_usb3_uniphy_serdes_tbl,
987 .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_serdes_tbl),
988 .tx_tbl = qmp_v3_usb3_uniphy_tx_tbl,
989 .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_tx_tbl),
990 .rx_tbl = qmp_v3_usb3_uniphy_rx_tbl,
991 .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_rx_tbl),
992 .pcs_tbl = qmp_v3_usb3_uniphy_pcs_tbl,
993 .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_pcs_tbl),
994 .clk_list = qmp_v3_phy_clk_l,
995 .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l),
996 .reset_list = msm8996_usb3phy_reset_l,
997 .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
998 .vreg_list = qmp_phy_vreg_l,
999 .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
1000 .regs = qmp_v3_usb3phy_regs_layout,
1001
1002 .start_ctrl = SERDES_START | PCS_START,
1003 .pwrdn_ctrl = SW_PWRDN,
1004 .mask_pcs_ready = PHYSTATUS,
1005
1006 .has_pwrdn_delay = true,
1007 .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
1008 .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
1009};
1010
1011static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
1012 .type = PHY_TYPE_UFS,
1013 .nlanes = 2,
1014
1015 .serdes_tbl = sdm845_ufsphy_serdes_tbl,
1016 .serdes_tbl_num = ARRAY_SIZE(sdm845_ufsphy_serdes_tbl),
1017 .tx_tbl = sdm845_ufsphy_tx_tbl,
1018 .tx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_tx_tbl),
1019 .rx_tbl = sdm845_ufsphy_rx_tbl,
1020 .rx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_rx_tbl),
1021 .pcs_tbl = sdm845_ufsphy_pcs_tbl,
1022 .pcs_tbl_num = ARRAY_SIZE(sdm845_ufsphy_pcs_tbl),
1023 .clk_list = sdm845_ufs_phy_clk_l,
1024 .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
1025 .vreg_list = qmp_phy_vreg_l,
1026 .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
1027 .regs = sdm845_ufsphy_regs_layout,
1028
1029 .start_ctrl = SERDES_START,
1030 .pwrdn_ctrl = SW_PWRDN,
1031 .mask_pcs_ready = PCS_READY,
1032
1033 .is_dual_lane_phy = true,
1034 .tx_b_lane_offset = 0x400,
1035 .rx_b_lane_offset = 0x400,
1036
1037 .no_pcs_sw_reset = true,
1038};
1039
1040static void qcom_qmp_phy_configure(void __iomem *base,
1041 const unsigned int *regs,
1042 const struct qmp_phy_init_tbl tbl[],
1043 int num)
1044{
1045 int i;
1046 const struct qmp_phy_init_tbl *t = tbl;
1047
1048 if (!t)
1049 return;
1050
1051 for (i = 0; i < num; i++, t++) {
1052 if (t->in_layout)
1053 writel(t->val, base + regs[t->offset]);
1054 else
1055 writel(t->val, base + t->offset);
1056 }
1057}
1058
1059static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
1060{
1061 struct qcom_qmp *qmp = qphy->qmp;
1062 const struct qmp_phy_cfg *cfg = qmp->cfg;
1063 void __iomem *serdes = qmp->serdes;
1064 void __iomem *pcs = qphy->pcs;
1065 void __iomem *dp_com = qmp->dp_com;
1066 int ret, i;
1067
1068 mutex_lock(&qmp->phy_mutex);
1069 if (qmp->init_count++) {
1070 mutex_unlock(&qmp->phy_mutex);
1071 return 0;
1072 }
1073
1074 /* turn on regulator supplies */
1075 ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs);
1076 if (ret) {
1077 dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret);
1078 goto err_reg_enable;
1079 }
1080
1081 for (i = 0; i < cfg->num_resets; i++) {
1082 ret = reset_control_assert(qmp->resets[i]);
1083 if (ret) {
1084 dev_err(qmp->dev, "%s reset assert failed\n",
1085 cfg->reset_list[i]);
1086 goto err_rst_assert;
1087 }
1088 }
1089
1090 for (i = cfg->num_resets - 1; i >= 0; i--) {
1091 ret = reset_control_deassert(qmp->resets[i]);
1092 if (ret) {
1093 dev_err(qmp->dev, "%s reset deassert failed\n",
1094 qmp->cfg->reset_list[i]);
1095 goto err_rst;
1096 }
1097 }
1098
1099 ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
1100 if (ret) {
1101 dev_err(qmp->dev, "failed to enable clks, err=%d\n", ret);
1102 goto err_rst;
1103 }
1104
1105 if (cfg->has_phy_dp_com_ctrl) {
1106 qphy_setbits(dp_com, QPHY_V3_DP_COM_POWER_DOWN_CTRL,
1107 SW_PWRDN);
1108 /* override hardware control for reset of qmp phy */
1109 qphy_setbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
1110 SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
1111 SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
1112
1113 qphy_setbits(dp_com, QPHY_V3_DP_COM_PHY_MODE_CTRL,
1114 USB3_MODE | DP_MODE);
1115
1116 /* bring both QMP USB and QMP DP PHYs PCS block out of reset */
1117 qphy_clrbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
1118 SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
1119 SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
1120 }
1121
1122 if (cfg->has_phy_com_ctrl)
1123 qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL],
1124 SW_PWRDN);
1125 else
1126 qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl);
1127
1128 /* Serdes configuration */
1129 qcom_qmp_phy_configure(serdes, cfg->regs, cfg->serdes_tbl,
1130 cfg->serdes_tbl_num);
1131
1132 if (cfg->has_phy_com_ctrl) {
1133 void __iomem *status;
1134 unsigned int mask, val;
1135
1136 qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET], SW_RESET);
1137 qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL],
1138 SERDES_START | PCS_START);
1139
1140 status = serdes + cfg->regs[QPHY_COM_PCS_READY_STATUS];
1141 mask = cfg->mask_com_pcs_ready;
1142
1143 ret = readl_poll_timeout(status, val, (val & mask), 10,
1144 PHY_INIT_COMPLETE_TIMEOUT);
1145 if (ret) {
1146 dev_err(qmp->dev,
1147 "phy common block init timed-out\n");
1148 goto err_com_init;
1149 }
1150 }
1151
1152 mutex_unlock(&qmp->phy_mutex);
1153
1154 return 0;
1155
1156err_com_init:
1157 clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
1158err_rst:
1159 while (++i < cfg->num_resets)
1160 reset_control_assert(qmp->resets[i]);
1161err_rst_assert:
1162 regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
1163err_reg_enable:
1164 mutex_unlock(&qmp->phy_mutex);
1165
1166 return ret;
1167}
1168
1169static int qcom_qmp_phy_com_exit(struct qcom_qmp *qmp)
1170{
1171 const struct qmp_phy_cfg *cfg = qmp->cfg;
1172 void __iomem *serdes = qmp->serdes;
1173 int i = cfg->num_resets;
1174
1175 mutex_lock(&qmp->phy_mutex);
1176 if (--qmp->init_count) {
1177 mutex_unlock(&qmp->phy_mutex);
1178 return 0;
1179 }
1180
1181 if (cfg->has_phy_com_ctrl) {
1182 qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL],
1183 SERDES_START | PCS_START);
1184 qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET],
1185 SW_RESET);
1186 qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL],
1187 SW_PWRDN);
1188 }
1189
1190 while (--i >= 0)
1191 reset_control_assert(qmp->resets[i]);
1192
1193 clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
1194
1195 regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
1196
1197 mutex_unlock(&qmp->phy_mutex);
1198
1199 return 0;
1200}
1201
1202/* PHY Initialization */
1203static int qcom_qmp_phy_init(struct phy *phy)
1204{
1205 struct qmp_phy *qphy = phy_get_drvdata(phy);
1206 struct qcom_qmp *qmp = qphy->qmp;
1207 const struct qmp_phy_cfg *cfg = qmp->cfg;
1208 void __iomem *tx = qphy->tx;
1209 void __iomem *rx = qphy->rx;
1210 void __iomem *pcs = qphy->pcs;
1211 void __iomem *dp_com = qmp->dp_com;
1212 void __iomem *status;
1213 unsigned int mask, val;
1214 int ret;
1215
1216 dev_vdbg(qmp->dev, "Initializing QMP phy\n");
1217
1218 ret = qcom_qmp_phy_com_init(qphy);
1219 if (ret)
1220 return ret;
1221
1222 if (cfg->has_lane_rst) {
1223 ret = reset_control_deassert(qphy->lane_rst);
1224 if (ret) {
1225 dev_err(qmp->dev, "lane%d reset deassert failed\n",
1226 qphy->index);
1227 goto err_lane_rst;
1228 }
1229 }
1230
1231 ret = clk_prepare_enable(qphy->pipe_clk);
1232 if (ret) {
1233 dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
1234 goto err_clk_enable;
1235 }
1236
1237 /* Tx, Rx, and PCS configurations */
1238 qcom_qmp_phy_configure(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num);
1239 /* Configuration for other LANE for USB-DP combo PHY */
1240 if (cfg->is_dual_lane_phy)
1241 qcom_qmp_phy_configure(tx + cfg->tx_b_lane_offset, cfg->regs,
1242 cfg->tx_tbl, cfg->tx_tbl_num);
1243
1244 qcom_qmp_phy_configure(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num);
1245 if (cfg->is_dual_lane_phy)
1246 qcom_qmp_phy_configure(rx + cfg->rx_b_lane_offset, cfg->regs,
1247 cfg->rx_tbl, cfg->rx_tbl_num);
1248
1249 qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
1250
1251 /*
1252 * UFS PHY requires the deassert of software reset before serdes start.
1253 * For UFS PHYs that do not have software reset control bits, defer
1254 * starting serdes until the power on callback.
1255 */
1256 if ((cfg->type == PHY_TYPE_UFS) && cfg->no_pcs_sw_reset)
1257 goto out;
1258
1259 /*
1260 * Pull out PHY from POWER DOWN state.
1261 * This is active low enable signal to power-down PHY.
1262 */
1263 if(cfg->type == PHY_TYPE_PCIE)
1264 qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl);
1265
1266 if (cfg->has_pwrdn_delay)
1267 usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);
1268
1269 /* Pull PHY out of reset state */
1270 qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
1271 if (cfg->has_phy_dp_com_ctrl)
1272 qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET);
1273
1274 /* start SerDes and Phy-Coding-Sublayer */
1275 qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
1276
1277 status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
1278 mask = cfg->mask_pcs_ready;
1279
1280 ret = readl_poll_timeout(status, val, !(val & mask), 1,
1281 PHY_INIT_COMPLETE_TIMEOUT);
1282 if (ret) {
1283 dev_err(qmp->dev, "phy initialization timed-out\n");
1284 goto err_pcs_ready;
1285 }
1286 qmp->phy_initialized = true;
1287
1288out:
1289 return ret;
1290
1291err_pcs_ready:
1292 clk_disable_unprepare(qphy->pipe_clk);
1293err_clk_enable:
1294 if (cfg->has_lane_rst)
1295 reset_control_assert(qphy->lane_rst);
1296err_lane_rst:
1297 qcom_qmp_phy_com_exit(qmp);
1298
1299 return ret;
1300}
1301
1302static int qcom_qmp_phy_exit(struct phy *phy)
1303{
1304 struct qmp_phy *qphy = phy_get_drvdata(phy);
1305 struct qcom_qmp *qmp = qphy->qmp;
1306 const struct qmp_phy_cfg *cfg = qmp->cfg;
1307
1308 clk_disable_unprepare(qphy->pipe_clk);
1309
1310 /* PHY reset */
1311 if (!cfg->no_pcs_sw_reset)
1312 qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
1313
1314 /* stop SerDes and Phy-Coding-Sublayer */
1315 qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
1316
1317 /* Put PHY into POWER DOWN state: active low */
1318 qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl);
1319
1320 if (cfg->has_lane_rst)
1321 reset_control_assert(qphy->lane_rst);
1322
1323 qcom_qmp_phy_com_exit(qmp);
1324
1325 qmp->phy_initialized = false;
1326
1327 return 0;
1328}
1329
1330static int qcom_qmp_phy_poweron(struct phy *phy)
1331{
1332 struct qmp_phy *qphy = phy_get_drvdata(phy);
1333 struct qcom_qmp *qmp = qphy->qmp;
1334 const struct qmp_phy_cfg *cfg = qmp->cfg;
1335 void __iomem *pcs = qphy->pcs;
1336 void __iomem *status;
1337 unsigned int mask, val;
1338 int ret = 0;
1339
1340 if (cfg->type != PHY_TYPE_UFS)
1341 return 0;
1342
1343 /*
1344 * For UFS PHY that has not software reset control, serdes start
1345 * should only happen when UFS driver explicitly calls phy_power_on
1346 * after it deasserts software reset.
1347 */
1348 if (cfg->no_pcs_sw_reset && !qmp->phy_initialized &&
1349 (qmp->init_count != 0)) {
1350 /* start SerDes and Phy-Coding-Sublayer */
1351 qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
1352
1353 status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
1354 mask = cfg->mask_pcs_ready;
1355
1356 ret = readl_poll_timeout(status, val, !(val & mask), 1,
1357 PHY_INIT_COMPLETE_TIMEOUT);
1358 if (ret) {
1359 dev_err(qmp->dev, "phy initialization timed-out\n");
1360 return ret;
1361 }
1362 qmp->phy_initialized = true;
1363 }
1364
1365 return ret;
1366}
1367
1368static int qcom_qmp_phy_set_mode(struct phy *phy, enum phy_mode mode)
1369{
1370 struct qmp_phy *qphy = phy_get_drvdata(phy);
1371 struct qcom_qmp *qmp = qphy->qmp;
1372
1373 qmp->mode = mode;
1374
1375 return 0;
1376}
1377
1378static void qcom_qmp_phy_enable_autonomous_mode(struct qmp_phy *qphy)
1379{
1380 struct qcom_qmp *qmp = qphy->qmp;
1381 const struct qmp_phy_cfg *cfg = qmp->cfg;
1382 void __iomem *pcs = qphy->pcs;
1383 void __iomem *pcs_misc = qphy->pcs_misc;
1384 u32 intr_mask;
1385
1386 if (qmp->mode == PHY_MODE_USB_HOST_SS ||
1387 qmp->mode == PHY_MODE_USB_DEVICE_SS)
1388 intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN;
1389 else
1390 intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL;
1391
1392 /* Clear any pending interrupts status */
1393 qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
1394 /* Writing 1 followed by 0 clears the interrupt */
1395 qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
1396
1397 qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
1398 ARCVR_DTCT_EN | ALFPS_DTCT_EN | ARCVR_DTCT_EVENT_SEL);
1399
1400 /* Enable required PHY autonomous mode interrupts */
1401 qphy_setbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask);
1402
1403 /* Enable i/o clamp_n for autonomous mode */
1404 if (pcs_misc)
1405 qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
1406}
1407
1408static void qcom_qmp_phy_disable_autonomous_mode(struct qmp_phy *qphy)
1409{
1410 struct qcom_qmp *qmp = qphy->qmp;
1411 const struct qmp_phy_cfg *cfg = qmp->cfg;
1412 void __iomem *pcs = qphy->pcs;
1413 void __iomem *pcs_misc = qphy->pcs_misc;
1414
1415 /* Disable i/o clamp_n on resume for normal mode */
1416 if (pcs_misc)
1417 qphy_setbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
1418
1419 qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
1420 ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN);
1421
1422 qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
1423 /* Writing 1 followed by 0 clears the interrupt */
1424 qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
1425}
1426
1427static int __maybe_unused qcom_qmp_phy_runtime_suspend(struct device *dev)
1428{
1429 struct qcom_qmp *qmp = dev_get_drvdata(dev);
1430 struct qmp_phy *qphy = qmp->phys[0];
1431 const struct qmp_phy_cfg *cfg = qmp->cfg;
1432
1433 dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode);
1434
1435 /* Supported only for USB3 PHY */
1436 if (cfg->type != PHY_TYPE_USB3)
1437 return 0;
1438
1439 if (!qmp->phy_initialized) {
1440 dev_vdbg(dev, "PHY not initialized, bailing out\n");
1441 return 0;
1442 }
1443
1444 qcom_qmp_phy_enable_autonomous_mode(qphy);
1445
1446 clk_disable_unprepare(qphy->pipe_clk);
1447 clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
1448
1449 return 0;
1450}
1451
1452static int __maybe_unused qcom_qmp_phy_runtime_resume(struct device *dev)
1453{
1454 struct qcom_qmp *qmp = dev_get_drvdata(dev);
1455 struct qmp_phy *qphy = qmp->phys[0];
1456 const struct qmp_phy_cfg *cfg = qmp->cfg;
1457 int ret = 0;
1458
1459 dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode);
1460
1461 /* Supported only for USB3 PHY */
1462 if (cfg->type != PHY_TYPE_USB3)
1463 return 0;
1464
1465 if (!qmp->phy_initialized) {
1466 dev_vdbg(dev, "PHY not initialized, bailing out\n");
1467 return 0;
1468 }
1469
1470 ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
1471 if (ret) {
1472 dev_err(qmp->dev, "failed to enable clks, err=%d\n", ret);
1473 return ret;
1474 }
1475
1476 ret = clk_prepare_enable(qphy->pipe_clk);
1477 if (ret) {
1478 dev_err(dev, "pipe_clk enable failed, err=%d\n", ret);
1479 clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
1480 return ret;
1481 }
1482
1483 qcom_qmp_phy_disable_autonomous_mode(qphy);
1484
1485 return 0;
1486}
1487
1488static int qcom_qmp_phy_vreg_init(struct device *dev)
1489{
1490 struct qcom_qmp *qmp = dev_get_drvdata(dev);
1491 int num = qmp->cfg->num_vregs;
1492 int i;
1493
1494 qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
1495 if (!qmp->vregs)
1496 return -ENOMEM;
1497
1498 for (i = 0; i < num; i++)
1499 qmp->vregs[i].supply = qmp->cfg->vreg_list[i];
1500
1501 return devm_regulator_bulk_get(dev, num, qmp->vregs);
1502}
1503
1504static int qcom_qmp_phy_reset_init(struct device *dev)
1505{
1506 struct qcom_qmp *qmp = dev_get_drvdata(dev);
1507 int i;
1508
1509 qmp->resets = devm_kcalloc(dev, qmp->cfg->num_resets,
1510 sizeof(*qmp->resets), GFP_KERNEL);
1511 if (!qmp->resets)
1512 return -ENOMEM;
1513
1514 for (i = 0; i < qmp->cfg->num_resets; i++) {
1515 struct reset_control *rst;
1516 const char *name = qmp->cfg->reset_list[i];
1517
1518 rst = devm_reset_control_get(dev, name);
1519 if (IS_ERR(rst)) {
1520 dev_err(dev, "failed to get %s reset\n", name);
1521 return PTR_ERR(rst);
1522 }
1523 qmp->resets[i] = rst;
1524 }
1525
1526 return 0;
1527}
1528
1529static int qcom_qmp_phy_clk_init(struct device *dev)
1530{
1531 struct qcom_qmp *qmp = dev_get_drvdata(dev);
1532 int num = qmp->cfg->num_clks;
1533 int i;
1534
1535 qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
1536 if (!qmp->clks)
1537 return -ENOMEM;
1538
1539 for (i = 0; i < num; i++)
1540 qmp->clks[i].id = qmp->cfg->clk_list[i];
1541
1542 return devm_clk_bulk_get(dev, num, qmp->clks);
1543}
1544
1545/*
1546 * Register a fixed rate pipe clock.
1547 *
1548 * The <s>_pipe_clksrc generated by PHY goes to the GCC that gate
1549 * controls it. The <s>_pipe_clk coming out of the GCC is requested
1550 * by the PHY driver for its operations.
1551 * We register the <s>_pipe_clksrc here. The gcc driver takes care
1552 * of assigning this <s>_pipe_clksrc as parent to <s>_pipe_clk.
1553 * Below picture shows this relationship.
1554 *
1555 * +---------------+
1556 * | PHY block |<<---------------------------------------+
1557 * | | |
1558 * | +-------+ | +-----+ |
1559 * I/P---^-->| PLL |---^--->pipe_clksrc--->| GCC |--->pipe_clk---+
1560 * clk | +-------+ | +-----+
1561 * +---------------+
1562 */
1563static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)
1564{
1565 struct clk_fixed_rate *fixed;
1566 struct clk_init_data init = { };
1567 int ret;
1568
1569 if ((qmp->cfg->type != PHY_TYPE_USB3) &&
1570 (qmp->cfg->type != PHY_TYPE_PCIE)) {
1571 /* not all phys register pipe clocks, so return success */
1572 return 0;
1573 }
1574
1575 ret = of_property_read_string(np, "clock-output-names", &init.name);
1576 if (ret) {
1577 dev_err(qmp->dev, "%pOFn: No clock-output-names\n", np);
1578 return ret;
1579 }
1580
1581 fixed = devm_kzalloc(qmp->dev, sizeof(*fixed), GFP_KERNEL);
1582 if (!fixed)
1583 return -ENOMEM;
1584
1585 init.ops = &clk_fixed_rate_ops;
1586
1587 /* controllers using QMP phys use 125MHz pipe clock interface */
1588 fixed->fixed_rate = 125000000;
1589 fixed->hw.init = &init;
1590
1591 return devm_clk_hw_register(qmp->dev, &fixed->hw);
1592}
1593
1594static const struct phy_ops qcom_qmp_phy_gen_ops = {
1595 .init = qcom_qmp_phy_init,
1596 .exit = qcom_qmp_phy_exit,
1597 .power_on = qcom_qmp_phy_poweron,
1598 .set_mode = qcom_qmp_phy_set_mode,
1599 .owner = THIS_MODULE,
1600};
1601
1602static
1603int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
1604{
1605 struct qcom_qmp *qmp = dev_get_drvdata(dev);
1606 struct phy *generic_phy;
1607 struct qmp_phy *qphy;
1608 char prop_name[MAX_PROP_NAME];
1609 int ret;
1610
1611 qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL);
1612 if (!qphy)
1613 return -ENOMEM;
1614
1615 /*
1616 * Get memory resources for each phy lane:
1617 * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2; and
1618 * pcs_misc (optional) -> 3.
1619 */
1620 qphy->tx = of_iomap(np, 0);
1621 if (!qphy->tx)
1622 return -ENOMEM;
1623
1624 qphy->rx = of_iomap(np, 1);
1625 if (!qphy->rx)
1626 return -ENOMEM;
1627
1628 qphy->pcs = of_iomap(np, 2);
1629 if (!qphy->pcs)
1630 return -ENOMEM;
1631
1632 qphy->pcs_misc = of_iomap(np, 3);
1633 if (!qphy->pcs_misc)
1634 dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
1635
1636 /*
1637 * Get PHY's Pipe clock, if any. USB3 and PCIe are PIPE3
1638 * based phys, so they essentially have pipe clock. So,
1639 * we return error in case phy is USB3 or PIPE type.
1640 * Otherwise, we initialize pipe clock to NULL for
1641 * all phys that don't need this.
1642 */
1643 snprintf(prop_name, sizeof(prop_name), "pipe%d", id);
1644 qphy->pipe_clk = of_clk_get_by_name(np, prop_name);
1645 if (IS_ERR(qphy->pipe_clk)) {
1646 if (qmp->cfg->type == PHY_TYPE_PCIE ||
1647 qmp->cfg->type == PHY_TYPE_USB3) {
1648 ret = PTR_ERR(qphy->pipe_clk);
1649 if (ret != -EPROBE_DEFER)
1650 dev_err(dev,
1651 "failed to get lane%d pipe_clk, %d\n",
1652 id, ret);
1653 return ret;
1654 }
1655 qphy->pipe_clk = NULL;
1656 }
1657
1658 /* Get lane reset, if any */
1659 if (qmp->cfg->has_lane_rst) {
1660 snprintf(prop_name, sizeof(prop_name), "lane%d", id);
1661 qphy->lane_rst = of_reset_control_get(np, prop_name);
1662 if (IS_ERR(qphy->lane_rst)) {
1663 dev_err(dev, "failed to get lane%d reset\n", id);
1664 return PTR_ERR(qphy->lane_rst);
1665 }
1666 }
1667
1668 generic_phy = devm_phy_create(dev, np, &qcom_qmp_phy_gen_ops);
1669 if (IS_ERR(generic_phy)) {
1670 ret = PTR_ERR(generic_phy);
1671 dev_err(dev, "failed to create qphy %d\n", ret);
1672 return ret;
1673 }
1674
1675 qphy->phy = generic_phy;
1676 qphy->index = id;
1677 qphy->qmp = qmp;
1678 qmp->phys[id] = qphy;
1679 phy_set_drvdata(generic_phy, qphy);
1680
1681 return 0;
1682}
1683
1684static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
1685 {
1686 .compatible = "qcom,msm8996-qmp-pcie-phy",
1687 .data = &msm8996_pciephy_cfg,
1688 }, {
1689 .compatible = "qcom,msm8996-qmp-usb3-phy",
1690 .data = &msm8996_usb3phy_cfg,
1691 }, {
1692 .compatible = "qcom,ipq8074-qmp-pcie-phy",
1693 .data = &ipq8074_pciephy_cfg,
1694 }, {
1695 .compatible = "qcom,sdm845-qmp-usb3-phy",
1696 .data = &qmp_v3_usb3phy_cfg,
1697 }, {
1698 .compatible = "qcom,sdm845-qmp-usb3-uni-phy",
1699 .data = &qmp_v3_usb3_uniphy_cfg,
1700 }, {
1701 .compatible = "qcom,sdm845-qmp-ufs-phy",
1702 .data = &sdm845_ufsphy_cfg,
1703 },
1704 { },
1705};
1706MODULE_DEVICE_TABLE(of, qcom_qmp_phy_of_match_table);
1707
1708static const struct dev_pm_ops qcom_qmp_phy_pm_ops = {
1709 SET_RUNTIME_PM_OPS(qcom_qmp_phy_runtime_suspend,
1710 qcom_qmp_phy_runtime_resume, NULL)
1711};
1712
1713static int qcom_qmp_phy_probe(struct platform_device *pdev)
1714{
1715 struct qcom_qmp *qmp;
1716 struct device *dev = &pdev->dev;
1717 struct resource *res;
1718 struct device_node *child;
1719 struct phy_provider *phy_provider;
1720 void __iomem *base;
1721 int num, id;
1722 int ret;
1723
1724 qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL);
1725 if (!qmp)
1726 return -ENOMEM;
1727
1728 qmp->dev = dev;
1729 dev_set_drvdata(dev, qmp);
1730
1731 /* Get the specific init parameters of QMP phy */
1732 qmp->cfg = of_device_get_match_data(dev);
1733 if (!qmp->cfg)
1734 return -EINVAL;
1735
1736 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1737 base = devm_ioremap_resource(dev, res);
1738 if (IS_ERR(base))
1739 return PTR_ERR(base);
1740
1741 /* per PHY serdes; usually located at base address */
1742 qmp->serdes = base;
1743
1744 /* per PHY dp_com; if PHY has dp_com control block */
1745 if (qmp->cfg->has_phy_dp_com_ctrl) {
1746 res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
1747 "dp_com");
1748 base = devm_ioremap_resource(dev, res);
1749 if (IS_ERR(base))
1750 return PTR_ERR(base);
1751
1752 qmp->dp_com = base;
1753 }
1754
1755 mutex_init(&qmp->phy_mutex);
1756
1757 ret = qcom_qmp_phy_clk_init(dev);
1758 if (ret)
1759 return ret;
1760
1761 ret = qcom_qmp_phy_reset_init(dev);
1762 if (ret)
1763 return ret;
1764
1765 ret = qcom_qmp_phy_vreg_init(dev);
1766 if (ret) {
1767 if (ret != -EPROBE_DEFER)
1768 dev_err(dev, "failed to get regulator supplies: %d\n",
1769 ret);
1770 return ret;
1771 }
1772
1773 num = of_get_available_child_count(dev->of_node);
1774 /* do we have a rogue child node ? */
1775 if (num > qmp->cfg->nlanes)
1776 return -EINVAL;
1777
1778 qmp->phys = devm_kcalloc(dev, num, sizeof(*qmp->phys), GFP_KERNEL);
1779 if (!qmp->phys)
1780 return -ENOMEM;
1781
1782 id = 0;
1783 pm_runtime_set_active(dev);
1784 pm_runtime_enable(dev);
1785 /*
1786 * Prevent runtime pm from being ON by default. Users can enable
1787 * it using power/control in sysfs.
1788 */
1789 pm_runtime_forbid(dev);
1790
1791 for_each_available_child_of_node(dev->of_node, child) {
1792 /* Create per-lane phy */
1793 ret = qcom_qmp_phy_create(dev, child, id);
1794 if (ret) {
1795 dev_err(dev, "failed to create lane%d phy, %d\n",
1796 id, ret);
1797 pm_runtime_disable(dev);
1798 return ret;
1799 }
1800
1801 /*
1802 * Register the pipe clock provided by phy.
1803 * See function description to see details of this pipe clock.
1804 */
1805 ret = phy_pipe_clk_register(qmp, child);
1806 if (ret) {
1807 dev_err(qmp->dev,
1808 "failed to register pipe clock source\n");
1809 pm_runtime_disable(dev);
1810 return ret;
1811 }
1812 id++;
1813 }
1814
1815 phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
1816 if (!IS_ERR(phy_provider))
1817 dev_info(dev, "Registered Qcom-QMP phy\n");
1818 else
1819 pm_runtime_disable(dev);
1820
1821 return PTR_ERR_OR_ZERO(phy_provider);
1822}
1823
1824static struct platform_driver qcom_qmp_phy_driver = {
1825 .probe = qcom_qmp_phy_probe,
1826 .driver = {
1827 .name = "qcom-qmp-phy",
1828 .pm = &qcom_qmp_phy_pm_ops,
1829 .of_match_table = qcom_qmp_phy_of_match_table,
1830 },
1831};
1832
1833module_platform_driver(qcom_qmp_phy_driver);
1834
1835MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
1836MODULE_DESCRIPTION("Qualcomm QMP PHY driver");
1837MODULE_LICENSE("GPL v2");