Merge tag 'ipsec-2023-10-17' of git://git.kernel.org/pub/scm/linux/kernel/git/klasser...
[linux-2.6-microblaze.git] / drivers / phy / qualcomm / phy-qcom-qmp-usb-legacy.c
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 "phy-qcom-qmp.h"
24 #include "phy-qcom-qmp-pcs-misc-v3.h"
25 #include "phy-qcom-qmp-pcs-usb-v4.h"
26 #include "phy-qcom-qmp-pcs-usb-v5.h"
27
28 /* QPHY_SW_RESET bit */
29 #define SW_RESET                                BIT(0)
30 /* QPHY_POWER_DOWN_CONTROL */
31 #define SW_PWRDN                                BIT(0)
32 /* QPHY_START_CONTROL bits */
33 #define SERDES_START                            BIT(0)
34 #define PCS_START                               BIT(1)
35 /* QPHY_PCS_STATUS bit */
36 #define PHYSTATUS                               BIT(6)
37
38 /* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */
39 /* DP PHY soft reset */
40 #define SW_DPPHY_RESET                          BIT(0)
41 /* mux to select DP PHY reset control, 0:HW control, 1: software reset */
42 #define SW_DPPHY_RESET_MUX                      BIT(1)
43 /* USB3 PHY soft reset */
44 #define SW_USB3PHY_RESET                        BIT(2)
45 /* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */
46 #define SW_USB3PHY_RESET_MUX                    BIT(3)
47
48 /* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */
49 #define USB3_MODE                               BIT(0) /* enables USB3 mode */
50 #define DP_MODE                                 BIT(1) /* enables DP mode */
51
52 /* QPHY_PCS_AUTONOMOUS_MODE_CTRL register bits */
53 #define ARCVR_DTCT_EN                           BIT(0)
54 #define ALFPS_DTCT_EN                           BIT(1)
55 #define ARCVR_DTCT_EVENT_SEL                    BIT(4)
56
57 /* QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR register bits */
58 #define IRQ_CLEAR                               BIT(0)
59
60 /* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */
61 #define CLAMP_EN                                BIT(0) /* enables i/o clamp_n */
62
63 #define PHY_INIT_COMPLETE_TIMEOUT               10000
64
65 struct qmp_phy_init_tbl {
66         unsigned int offset;
67         unsigned int val;
68         /*
69          * mask of lanes for which this register is written
70          * for cases when second lane needs different values
71          */
72         u8 lane_mask;
73 };
74
75 #define QMP_PHY_INIT_CFG(o, v)          \
76         {                               \
77                 .offset = o,            \
78                 .val = v,               \
79                 .lane_mask = 0xff,      \
80         }
81
82 #define QMP_PHY_INIT_CFG_LANE(o, v, l)  \
83         {                               \
84                 .offset = o,            \
85                 .val = v,               \
86                 .lane_mask = l,         \
87         }
88
89 /* set of registers with offsets different per-PHY */
90 enum qphy_reg_layout {
91         /* PCS registers */
92         QPHY_SW_RESET,
93         QPHY_START_CTRL,
94         QPHY_PCS_STATUS,
95         QPHY_PCS_AUTONOMOUS_MODE_CTRL,
96         QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
97         QPHY_PCS_POWER_DOWN_CONTROL,
98         /* Keep last to ensure regs_layout arrays are properly initialized */
99         QPHY_LAYOUT_SIZE
100 };
101
102 static const unsigned int qmp_v3_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
103         [QPHY_SW_RESET]                 = QPHY_V3_PCS_SW_RESET,
104         [QPHY_START_CTRL]               = QPHY_V3_PCS_START_CONTROL,
105         [QPHY_PCS_STATUS]               = QPHY_V3_PCS_PCS_STATUS,
106         [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V3_PCS_AUTONOMOUS_MODE_CTRL,
107         [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V3_PCS_LFPS_RXTERM_IRQ_CLEAR,
108         [QPHY_PCS_POWER_DOWN_CONTROL]   = QPHY_V3_PCS_POWER_DOWN_CONTROL,
109 };
110
111 static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
112         [QPHY_SW_RESET]                 = QPHY_V4_PCS_SW_RESET,
113         [QPHY_START_CTRL]               = QPHY_V4_PCS_START_CONTROL,
114         [QPHY_PCS_STATUS]               = QPHY_V4_PCS_PCS_STATUS1,
115         [QPHY_PCS_POWER_DOWN_CONTROL]   = QPHY_V4_PCS_POWER_DOWN_CONTROL,
116
117         /* In PCS_USB */
118         [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V4_PCS_USB3_AUTONOMOUS_MODE_CTRL,
119         [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V4_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR,
120 };
121
122 static const unsigned int qmp_v5_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
123         [QPHY_SW_RESET]                 = QPHY_V5_PCS_SW_RESET,
124         [QPHY_START_CTRL]               = QPHY_V5_PCS_START_CONTROL,
125         [QPHY_PCS_STATUS]               = QPHY_V5_PCS_PCS_STATUS1,
126         [QPHY_PCS_POWER_DOWN_CONTROL]   = QPHY_V5_PCS_POWER_DOWN_CONTROL,
127
128         /* In PCS_USB */
129         [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V5_PCS_USB3_AUTONOMOUS_MODE_CTRL,
130         [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V5_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR,
131 };
132
133 static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = {
134         QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
135         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14),
136         QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
137         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
138         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
139         QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08),
140         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x16),
141         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
142         QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80),
143         QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
144         QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab),
145         QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea),
146         QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02),
147         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
148         QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
149         QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
150         QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
151         QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
152         QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
153         QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9),
154         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
155         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
156         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34),
157         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15),
158         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04),
159         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
160         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00),
161         QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
162         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a),
163         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01),
164         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31),
165         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01),
166         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00),
167         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00),
168         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85),
169         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07),
170 };
171
172 static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = {
173         QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10),
174         QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12),
175         QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x16),
176         QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
177         QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
178 };
179
180 static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = {
181         QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
182         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
183         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e),
184         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18),
185         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
186         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
187         QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03),
188         QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
189         QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75),
190 };
191
192 static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = {
193         /* FLL settings */
194         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
195         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
196         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
197         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40),
198         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
199
200         /* Lock Det settings */
201         QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
202         QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
203         QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
204         QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
205
206         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0xba),
207         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f),
208         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f),
209         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb7),
210         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4e),
211         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x65),
212         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6b),
213         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
214         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d),
215         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15),
216         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d),
217         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15),
218         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d),
219         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15),
220         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x1d),
221         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15),
222         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d),
223         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15),
224         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d),
225
226         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02),
227         QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
228         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
229         QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
230         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
231         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
232         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
233         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
234         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
235         QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
236         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
237 };
238
239 static const struct qmp_phy_init_tbl sm8150_usb3_serdes_tbl[] = {
240         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01),
241         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31),
242         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01),
243         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde),
244         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07),
245         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0xde),
246         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x07),
247         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x0a),
248         QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_IPTRIM, 0x20),
249         QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
250         QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
251         QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
252         QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
253         QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
254         QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
255         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x1a),
256         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
257         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x14),
258         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x34),
259         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x34),
260         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x82),
261         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
262         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x82),
263         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0xab),
264         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0xea),
265         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x02),
266         QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
267         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab),
268         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xea),
269         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02),
270         QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
271         QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0x24),
272         QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x02),
273         QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
274         QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
275         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca),
276         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
277         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xca),
278         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x1e),
279         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
280 };
281
282 static const struct qmp_phy_init_tbl sm8150_usb3_tx_tbl[] = {
283         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x00),
284         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x00),
285         QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
286         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
287         QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x20),
288 };
289
290 static const struct qmp_phy_init_tbl sm8150_usb3_rx_tbl[] = {
291         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x05),
292         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
293         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
294         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
295         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
296         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
297         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
298         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
299         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
300         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
301         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
302         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0e),
303         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
304         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
305         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
306         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
307         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
308         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
309         QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
310         QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
311         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xbf),
312         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xbf),
313         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x3f),
314         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
315         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x94),
316         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
317         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
318         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
319         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x0b),
320         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb3),
321         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
322         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
323         QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
324         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
325         QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
326         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
327 };
328
329 static const struct qmp_phy_init_tbl sm8150_usb3_pcs_tbl[] = {
330         /* Lock Det settings */
331         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
332         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
333         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
334
335         QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
336         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
337         QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
338         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
339         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
340         QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
341         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
342         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
343 };
344
345 static const struct qmp_phy_init_tbl sm8150_usb3_pcs_usb_tbl[] = {
346         QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
347         QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
348 };
349
350 static const struct qmp_phy_init_tbl sm8250_usb3_tx_tbl[] = {
351         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x60),
352         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x60),
353         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
354         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
355         QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
356         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
357         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x40, 1),
358         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x54, 2),
359 };
360
361 static const struct qmp_phy_init_tbl sm8250_usb3_rx_tbl[] = {
362         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
363         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
364         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
365         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
366         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
367         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
368         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
369         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
370         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
371         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
372         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
373         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
374         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
375         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
376         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
377         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
378         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
379         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
380         QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
381         QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
382         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0xff, 1),
383         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f, 2),
384         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f, 1),
385         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff, 2),
386         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x7f),
387         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
388         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x97),
389         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
390         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
391         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
392         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
393         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
394         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
395         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
396         QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
397         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
398         QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
399         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
400 };
401
402 static const struct qmp_phy_init_tbl sm8250_usb3_pcs_tbl[] = {
403         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
404         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
405         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
406         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
407         QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
408         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
409         QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
410         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
411         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
412         QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
413         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
414         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
415 };
416
417 static const struct qmp_phy_init_tbl sm8250_usb3_pcs_usb_tbl[] = {
418         QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
419         QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
420 };
421
422 static const struct qmp_phy_init_tbl sm8350_usb3_tx_tbl[] = {
423         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_TX, 0x00),
424         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_RX, 0x00),
425         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x16),
426         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x0e),
427         QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0x35),
428         QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_3, 0x3f),
429         QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_4, 0x7f),
430         QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_5, 0x3f),
431         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RCV_DETECT_LVL_2, 0x12),
432         QMP_PHY_INIT_CFG(QSERDES_V5_TX_PI_QEC_CTRL, 0x21),
433 };
434
435 static const struct qmp_phy_init_tbl sm8350_usb3_rx_tbl[] = {
436         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x0a),
437         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x05),
438         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
439         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
440         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
441         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
442         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0x99),
443         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH1, 0x08),
444         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH2, 0x08),
445         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN1, 0x00),
446         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN2, 0x04),
447         QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL1, 0x54),
448         QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x0f),
449         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
450         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
451         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
452         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
453         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
454         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
455         QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_CNTRL, 0x04),
456         QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
457         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0xbb),
458         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0x7b),
459         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xbb),
460         QMP_PHY_INIT_CFG_LANE(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3d, 1),
461         QMP_PHY_INIT_CFG_LANE(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3c, 2),
462         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0xdb),
463         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0x64),
464         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0x24),
465         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xd2),
466         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH3, 0x13),
467         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0xa9),
468         QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_EN_TIMER, 0x04),
469         QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
470         QMP_PHY_INIT_CFG(QSERDES_V5_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
471         QMP_PHY_INIT_CFG(QSERDES_V5_RX_DCC_CTRL1, 0x0c),
472         QMP_PHY_INIT_CFG(QSERDES_V5_RX_GM_CAL, 0x00),
473         QMP_PHY_INIT_CFG(QSERDES_V5_RX_VTH_CODE, 0x10),
474 };
475
476 static const struct qmp_phy_init_tbl sm8350_usb3_pcs_tbl[] = {
477         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
478         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
479         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
480         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
481         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
482         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
483         QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
484         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
485         QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
486         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
487         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
488         QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
489         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
490         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
491 };
492
493 static const struct qmp_phy_init_tbl sm8350_usb3_pcs_usb_tbl[] = {
494         QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RCVR_DTCT_DLY_U3_L, 0x40),
495         QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RCVR_DTCT_DLY_U3_H, 0x00),
496         QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
497         QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
498 };
499
500 struct qmp_usb_legacy_offsets {
501         u16 serdes;
502         u16 pcs;
503         u16 pcs_usb;
504         u16 tx;
505         u16 rx;
506 };
507
508 /* struct qmp_phy_cfg - per-PHY initialization config */
509 struct qmp_phy_cfg {
510         int lanes;
511
512         const struct qmp_usb_legacy_offsets *offsets;
513
514         /* Init sequence for PHY blocks - serdes, tx, rx, pcs */
515         const struct qmp_phy_init_tbl *serdes_tbl;
516         int serdes_tbl_num;
517         const struct qmp_phy_init_tbl *tx_tbl;
518         int tx_tbl_num;
519         const struct qmp_phy_init_tbl *rx_tbl;
520         int rx_tbl_num;
521         const struct qmp_phy_init_tbl *pcs_tbl;
522         int pcs_tbl_num;
523         const struct qmp_phy_init_tbl *pcs_usb_tbl;
524         int pcs_usb_tbl_num;
525
526         /* clock ids to be requested */
527         const char * const *clk_list;
528         int num_clks;
529         /* resets to be requested */
530         const char * const *reset_list;
531         int num_resets;
532         /* regulators to be requested */
533         const char * const *vreg_list;
534         int num_vregs;
535
536         /* array of registers with different offsets */
537         const unsigned int *regs;
538
539         /* Offset from PCS to PCS_USB region */
540         unsigned int pcs_usb_offset;
541 };
542
543 struct qmp_usb {
544         struct device *dev;
545
546         const struct qmp_phy_cfg *cfg;
547
548         void __iomem *serdes;
549         void __iomem *pcs;
550         void __iomem *pcs_misc;
551         void __iomem *pcs_usb;
552         void __iomem *tx;
553         void __iomem *rx;
554         void __iomem *tx2;
555         void __iomem *rx2;
556
557         void __iomem *dp_com;
558
559         struct clk *pipe_clk;
560         struct clk_bulk_data *clks;
561         struct reset_control_bulk_data *resets;
562         struct regulator_bulk_data *vregs;
563
564         enum phy_mode mode;
565
566         struct phy *phy;
567
568         struct clk_fixed_rate pipe_clk_fixed;
569 };
570
571 static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
572 {
573         u32 reg;
574
575         reg = readl(base + offset);
576         reg |= val;
577         writel(reg, base + offset);
578
579         /* ensure that above write is through */
580         readl(base + offset);
581 }
582
583 static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
584 {
585         u32 reg;
586
587         reg = readl(base + offset);
588         reg &= ~val;
589         writel(reg, base + offset);
590
591         /* ensure that above write is through */
592         readl(base + offset);
593 }
594
595 /* list of clocks required by phy */
596 static const char * const qmp_v3_phy_clk_l[] = {
597         "aux", "cfg_ahb", "ref", "com_aux",
598 };
599
600 static const char * const qmp_v4_ref_phy_clk_l[] = {
601         "aux", "ref_clk_src", "ref", "com_aux",
602 };
603
604 /* the primary usb3 phy on sm8250 doesn't have a ref clock */
605 static const char * const qmp_v4_sm8250_usbphy_clk_l[] = {
606         "aux", "ref_clk_src", "com_aux"
607 };
608
609 /* list of resets */
610 static const char * const msm8996_usb3phy_reset_l[] = {
611         "phy", "common",
612 };
613
614 static const char * const sc7180_usb3phy_reset_l[] = {
615         "phy",
616 };
617
618 /* list of regulators */
619 static const char * const qmp_phy_vreg_l[] = {
620         "vdda-phy", "vdda-pll",
621 };
622
623 static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
624         .lanes                  = 2,
625
626         .serdes_tbl             = qmp_v3_usb3_serdes_tbl,
627         .serdes_tbl_num         = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
628         .tx_tbl                 = qmp_v3_usb3_tx_tbl,
629         .tx_tbl_num             = ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
630         .rx_tbl                 = qmp_v3_usb3_rx_tbl,
631         .rx_tbl_num             = ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
632         .pcs_tbl                = qmp_v3_usb3_pcs_tbl,
633         .pcs_tbl_num            = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
634         .clk_list               = qmp_v3_phy_clk_l,
635         .num_clks               = ARRAY_SIZE(qmp_v3_phy_clk_l),
636         .reset_list             = msm8996_usb3phy_reset_l,
637         .num_resets             = ARRAY_SIZE(msm8996_usb3phy_reset_l),
638         .vreg_list              = qmp_phy_vreg_l,
639         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
640         .regs                   = qmp_v3_usb3phy_regs_layout,
641 };
642
643 static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
644         .lanes                  = 2,
645
646         .serdes_tbl             = qmp_v3_usb3_serdes_tbl,
647         .serdes_tbl_num         = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
648         .tx_tbl                 = qmp_v3_usb3_tx_tbl,
649         .tx_tbl_num             = ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
650         .rx_tbl                 = qmp_v3_usb3_rx_tbl,
651         .rx_tbl_num             = ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
652         .pcs_tbl                = qmp_v3_usb3_pcs_tbl,
653         .pcs_tbl_num            = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
654         .clk_list               = qmp_v3_phy_clk_l,
655         .num_clks               = ARRAY_SIZE(qmp_v3_phy_clk_l),
656         .reset_list             = sc7180_usb3phy_reset_l,
657         .num_resets             = ARRAY_SIZE(sc7180_usb3phy_reset_l),
658         .vreg_list              = qmp_phy_vreg_l,
659         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
660         .regs                   = qmp_v3_usb3phy_regs_layout,
661 };
662
663 static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
664         .lanes                  = 2,
665
666         .serdes_tbl             = sm8150_usb3_serdes_tbl,
667         .serdes_tbl_num         = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
668         .tx_tbl                 = sm8150_usb3_tx_tbl,
669         .tx_tbl_num             = ARRAY_SIZE(sm8150_usb3_tx_tbl),
670         .rx_tbl                 = sm8150_usb3_rx_tbl,
671         .rx_tbl_num             = ARRAY_SIZE(sm8150_usb3_rx_tbl),
672         .pcs_tbl                = sm8150_usb3_pcs_tbl,
673         .pcs_tbl_num            = ARRAY_SIZE(sm8150_usb3_pcs_tbl),
674         .pcs_usb_tbl            = sm8150_usb3_pcs_usb_tbl,
675         .pcs_usb_tbl_num        = ARRAY_SIZE(sm8150_usb3_pcs_usb_tbl),
676         .clk_list               = qmp_v4_ref_phy_clk_l,
677         .num_clks               = ARRAY_SIZE(qmp_v4_ref_phy_clk_l),
678         .reset_list             = msm8996_usb3phy_reset_l,
679         .num_resets             = ARRAY_SIZE(msm8996_usb3phy_reset_l),
680         .vreg_list              = qmp_phy_vreg_l,
681         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
682         .regs                   = qmp_v4_usb3phy_regs_layout,
683         .pcs_usb_offset         = 0x300,
684 };
685
686 static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
687         .lanes                  = 2,
688
689         .serdes_tbl             = sm8150_usb3_serdes_tbl,
690         .serdes_tbl_num         = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
691         .tx_tbl                 = sm8250_usb3_tx_tbl,
692         .tx_tbl_num             = ARRAY_SIZE(sm8250_usb3_tx_tbl),
693         .rx_tbl                 = sm8250_usb3_rx_tbl,
694         .rx_tbl_num             = ARRAY_SIZE(sm8250_usb3_rx_tbl),
695         .pcs_tbl                = sm8250_usb3_pcs_tbl,
696         .pcs_tbl_num            = ARRAY_SIZE(sm8250_usb3_pcs_tbl),
697         .pcs_usb_tbl            = sm8250_usb3_pcs_usb_tbl,
698         .pcs_usb_tbl_num        = ARRAY_SIZE(sm8250_usb3_pcs_usb_tbl),
699         .clk_list               = qmp_v4_sm8250_usbphy_clk_l,
700         .num_clks               = ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
701         .reset_list             = msm8996_usb3phy_reset_l,
702         .num_resets             = ARRAY_SIZE(msm8996_usb3phy_reset_l),
703         .vreg_list              = qmp_phy_vreg_l,
704         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
705         .regs                   = qmp_v4_usb3phy_regs_layout,
706         .pcs_usb_offset         = 0x300,
707 };
708
709 static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
710         .lanes                  = 2,
711
712         .serdes_tbl             = sm8150_usb3_serdes_tbl,
713         .serdes_tbl_num         = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
714         .tx_tbl                 = sm8350_usb3_tx_tbl,
715         .tx_tbl_num             = ARRAY_SIZE(sm8350_usb3_tx_tbl),
716         .rx_tbl                 = sm8350_usb3_rx_tbl,
717         .rx_tbl_num             = ARRAY_SIZE(sm8350_usb3_rx_tbl),
718         .pcs_tbl                = sm8350_usb3_pcs_tbl,
719         .pcs_tbl_num            = ARRAY_SIZE(sm8350_usb3_pcs_tbl),
720         .pcs_usb_tbl            = sm8350_usb3_pcs_usb_tbl,
721         .pcs_usb_tbl_num        = ARRAY_SIZE(sm8350_usb3_pcs_usb_tbl),
722         .clk_list               = qmp_v4_sm8250_usbphy_clk_l,
723         .num_clks               = ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
724         .reset_list             = msm8996_usb3phy_reset_l,
725         .num_resets             = ARRAY_SIZE(msm8996_usb3phy_reset_l),
726         .vreg_list              = qmp_phy_vreg_l,
727         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
728         .regs                   = qmp_v5_usb3phy_regs_layout,
729         .pcs_usb_offset         = 0x300,
730 };
731
732 static void qmp_usb_legacy_configure_lane(void __iomem *base,
733                                         const struct qmp_phy_init_tbl tbl[],
734                                         int num,
735                                         u8 lane_mask)
736 {
737         int i;
738         const struct qmp_phy_init_tbl *t = tbl;
739
740         if (!t)
741                 return;
742
743         for (i = 0; i < num; i++, t++) {
744                 if (!(t->lane_mask & lane_mask))
745                         continue;
746
747                 writel(t->val, base + t->offset);
748         }
749 }
750
751 static void qmp_usb_legacy_configure(void __iomem *base,
752                                    const struct qmp_phy_init_tbl tbl[],
753                                    int num)
754 {
755         qmp_usb_legacy_configure_lane(base, tbl, num, 0xff);
756 }
757
758 static int qmp_usb_legacy_serdes_init(struct qmp_usb *qmp)
759 {
760         const struct qmp_phy_cfg *cfg = qmp->cfg;
761         void __iomem *serdes = qmp->serdes;
762         const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
763         int serdes_tbl_num = cfg->serdes_tbl_num;
764
765         qmp_usb_legacy_configure(serdes, serdes_tbl, serdes_tbl_num);
766
767         return 0;
768 }
769
770 static void qmp_usb_legacy_init_dp_com(struct phy *phy)
771 {
772         struct qmp_usb *qmp = phy_get_drvdata(phy);
773         void __iomem *dp_com = qmp->dp_com;
774
775         qphy_setbits(dp_com, QPHY_V3_DP_COM_POWER_DOWN_CTRL,
776                      SW_PWRDN);
777         /* override hardware control for reset of qmp phy */
778         qphy_setbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
779                      SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
780                      SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
781
782         /* Default type-c orientation, i.e CC1 */
783         qphy_setbits(dp_com, QPHY_V3_DP_COM_TYPEC_CTRL, 0x02);
784
785         qphy_setbits(dp_com, QPHY_V3_DP_COM_PHY_MODE_CTRL,
786                      USB3_MODE | DP_MODE);
787
788         /* bring both QMP USB and QMP DP PHYs PCS block out of reset */
789         qphy_clrbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
790                      SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
791                      SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
792
793         qphy_clrbits(dp_com, QPHY_V3_DP_COM_SWI_CTRL, 0x03);
794         qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET);
795 }
796
797 static int qmp_usb_legacy_init(struct phy *phy)
798 {
799         struct qmp_usb *qmp = phy_get_drvdata(phy);
800         const struct qmp_phy_cfg *cfg = qmp->cfg;
801         void __iomem *pcs = qmp->pcs;
802         int ret;
803
804         ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs);
805         if (ret) {
806                 dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret);
807                 return ret;
808         }
809
810         ret = reset_control_bulk_assert(cfg->num_resets, qmp->resets);
811         if (ret) {
812                 dev_err(qmp->dev, "reset assert failed\n");
813                 goto err_disable_regulators;
814         }
815
816         ret = reset_control_bulk_deassert(cfg->num_resets, qmp->resets);
817         if (ret) {
818                 dev_err(qmp->dev, "reset deassert failed\n");
819                 goto err_disable_regulators;
820         }
821
822         ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
823         if (ret)
824                 goto err_assert_reset;
825
826         qmp_usb_legacy_init_dp_com(phy);
827
828         qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN);
829
830         return 0;
831
832 err_assert_reset:
833         reset_control_bulk_assert(cfg->num_resets, qmp->resets);
834 err_disable_regulators:
835         regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
836
837         return ret;
838 }
839
840 static int qmp_usb_legacy_exit(struct phy *phy)
841 {
842         struct qmp_usb *qmp = phy_get_drvdata(phy);
843         const struct qmp_phy_cfg *cfg = qmp->cfg;
844
845         reset_control_bulk_assert(cfg->num_resets, qmp->resets);
846
847         clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
848
849         regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
850
851         return 0;
852 }
853
854 static int qmp_usb_legacy_power_on(struct phy *phy)
855 {
856         struct qmp_usb *qmp = phy_get_drvdata(phy);
857         const struct qmp_phy_cfg *cfg = qmp->cfg;
858         void __iomem *tx = qmp->tx;
859         void __iomem *rx = qmp->rx;
860         void __iomem *pcs = qmp->pcs;
861         void __iomem *status;
862         unsigned int val;
863         int ret;
864
865         qmp_usb_legacy_serdes_init(qmp);
866
867         ret = clk_prepare_enable(qmp->pipe_clk);
868         if (ret) {
869                 dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
870                 return ret;
871         }
872
873         /* Tx, Rx, and PCS configurations */
874         qmp_usb_legacy_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1);
875         qmp_usb_legacy_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1);
876
877         if (cfg->lanes >= 2) {
878                 qmp_usb_legacy_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2);
879                 qmp_usb_legacy_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2);
880         }
881
882         qmp_usb_legacy_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
883
884         usleep_range(10, 20);
885
886         /* Pull PHY out of reset state */
887         qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
888
889         /* start SerDes and Phy-Coding-Sublayer */
890         qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START);
891
892         status = pcs + cfg->regs[QPHY_PCS_STATUS];
893         ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 200,
894                                  PHY_INIT_COMPLETE_TIMEOUT);
895         if (ret) {
896                 dev_err(qmp->dev, "phy initialization timed-out\n");
897                 goto err_disable_pipe_clk;
898         }
899
900         return 0;
901
902 err_disable_pipe_clk:
903         clk_disable_unprepare(qmp->pipe_clk);
904
905         return ret;
906 }
907
908 static int qmp_usb_legacy_power_off(struct phy *phy)
909 {
910         struct qmp_usb *qmp = phy_get_drvdata(phy);
911         const struct qmp_phy_cfg *cfg = qmp->cfg;
912
913         clk_disable_unprepare(qmp->pipe_clk);
914
915         /* PHY reset */
916         qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
917
918         /* stop SerDes and Phy-Coding-Sublayer */
919         qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL],
920                         SERDES_START | PCS_START);
921
922         /* Put PHY into POWER DOWN state: active low */
923         qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
924                         SW_PWRDN);
925
926         return 0;
927 }
928
929 static int qmp_usb_legacy_enable(struct phy *phy)
930 {
931         int ret;
932
933         ret = qmp_usb_legacy_init(phy);
934         if (ret)
935                 return ret;
936
937         ret = qmp_usb_legacy_power_on(phy);
938         if (ret)
939                 qmp_usb_legacy_exit(phy);
940
941         return ret;
942 }
943
944 static int qmp_usb_legacy_disable(struct phy *phy)
945 {
946         int ret;
947
948         ret = qmp_usb_legacy_power_off(phy);
949         if (ret)
950                 return ret;
951         return qmp_usb_legacy_exit(phy);
952 }
953
954 static int qmp_usb_legacy_set_mode(struct phy *phy, enum phy_mode mode, int submode)
955 {
956         struct qmp_usb *qmp = phy_get_drvdata(phy);
957
958         qmp->mode = mode;
959
960         return 0;
961 }
962
963 static const struct phy_ops qmp_usb_legacy_phy_ops = {
964         .init           = qmp_usb_legacy_enable,
965         .exit           = qmp_usb_legacy_disable,
966         .set_mode       = qmp_usb_legacy_set_mode,
967         .owner          = THIS_MODULE,
968 };
969
970 static void qmp_usb_legacy_enable_autonomous_mode(struct qmp_usb *qmp)
971 {
972         const struct qmp_phy_cfg *cfg = qmp->cfg;
973         void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs;
974         void __iomem *pcs_misc = qmp->pcs_misc;
975         u32 intr_mask;
976
977         if (qmp->mode == PHY_MODE_USB_HOST_SS ||
978             qmp->mode == PHY_MODE_USB_DEVICE_SS)
979                 intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN;
980         else
981                 intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL;
982
983         /* Clear any pending interrupts status */
984         qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
985         /* Writing 1 followed by 0 clears the interrupt */
986         qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
987
988         qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
989                      ARCVR_DTCT_EN | ALFPS_DTCT_EN | ARCVR_DTCT_EVENT_SEL);
990
991         /* Enable required PHY autonomous mode interrupts */
992         qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask);
993
994         /* Enable i/o clamp_n for autonomous mode */
995         if (pcs_misc)
996                 qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
997 }
998
999 static void qmp_usb_legacy_disable_autonomous_mode(struct qmp_usb *qmp)
1000 {
1001         const struct qmp_phy_cfg *cfg = qmp->cfg;
1002         void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs;
1003         void __iomem *pcs_misc = qmp->pcs_misc;
1004
1005         /* Disable i/o clamp_n on resume for normal mode */
1006         if (pcs_misc)
1007                 qphy_setbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
1008
1009         qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
1010                      ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN);
1011
1012         qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
1013         /* Writing 1 followed by 0 clears the interrupt */
1014         qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
1015 }
1016
1017 static int __maybe_unused qmp_usb_legacy_runtime_suspend(struct device *dev)
1018 {
1019         struct qmp_usb *qmp = dev_get_drvdata(dev);
1020         const struct qmp_phy_cfg *cfg = qmp->cfg;
1021
1022         dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode);
1023
1024         if (!qmp->phy->init_count) {
1025                 dev_vdbg(dev, "PHY not initialized, bailing out\n");
1026                 return 0;
1027         }
1028
1029         qmp_usb_legacy_enable_autonomous_mode(qmp);
1030
1031         clk_disable_unprepare(qmp->pipe_clk);
1032         clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
1033
1034         return 0;
1035 }
1036
1037 static int __maybe_unused qmp_usb_legacy_runtime_resume(struct device *dev)
1038 {
1039         struct qmp_usb *qmp = dev_get_drvdata(dev);
1040         const struct qmp_phy_cfg *cfg = qmp->cfg;
1041         int ret = 0;
1042
1043         dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode);
1044
1045         if (!qmp->phy->init_count) {
1046                 dev_vdbg(dev, "PHY not initialized, bailing out\n");
1047                 return 0;
1048         }
1049
1050         ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
1051         if (ret)
1052                 return ret;
1053
1054         ret = clk_prepare_enable(qmp->pipe_clk);
1055         if (ret) {
1056                 dev_err(dev, "pipe_clk enable failed, err=%d\n", ret);
1057                 clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
1058                 return ret;
1059         }
1060
1061         qmp_usb_legacy_disable_autonomous_mode(qmp);
1062
1063         return 0;
1064 }
1065
1066 static const struct dev_pm_ops qmp_usb_legacy_pm_ops = {
1067         SET_RUNTIME_PM_OPS(qmp_usb_legacy_runtime_suspend,
1068                            qmp_usb_legacy_runtime_resume, NULL)
1069 };
1070
1071 static int qmp_usb_legacy_vreg_init(struct qmp_usb *qmp)
1072 {
1073         const struct qmp_phy_cfg *cfg = qmp->cfg;
1074         struct device *dev = qmp->dev;
1075         int num = cfg->num_vregs;
1076         int i;
1077
1078         qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
1079         if (!qmp->vregs)
1080                 return -ENOMEM;
1081
1082         for (i = 0; i < num; i++)
1083                 qmp->vregs[i].supply = cfg->vreg_list[i];
1084
1085         return devm_regulator_bulk_get(dev, num, qmp->vregs);
1086 }
1087
1088 static int qmp_usb_legacy_reset_init(struct qmp_usb *qmp)
1089 {
1090         const struct qmp_phy_cfg *cfg = qmp->cfg;
1091         struct device *dev = qmp->dev;
1092         int i;
1093         int ret;
1094
1095         qmp->resets = devm_kcalloc(dev, cfg->num_resets,
1096                                    sizeof(*qmp->resets), GFP_KERNEL);
1097         if (!qmp->resets)
1098                 return -ENOMEM;
1099
1100         for (i = 0; i < cfg->num_resets; i++)
1101                 qmp->resets[i].id = cfg->reset_list[i];
1102
1103         ret = devm_reset_control_bulk_get_exclusive(dev, cfg->num_resets, qmp->resets);
1104         if (ret)
1105                 return dev_err_probe(dev, ret, "failed to get resets\n");
1106
1107         return 0;
1108 }
1109
1110 static int qmp_usb_legacy_clk_init(struct qmp_usb *qmp)
1111 {
1112         const struct qmp_phy_cfg *cfg = qmp->cfg;
1113         struct device *dev = qmp->dev;
1114         int num = cfg->num_clks;
1115         int i;
1116
1117         qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
1118         if (!qmp->clks)
1119                 return -ENOMEM;
1120
1121         for (i = 0; i < num; i++)
1122                 qmp->clks[i].id = cfg->clk_list[i];
1123
1124         return devm_clk_bulk_get(dev, num, qmp->clks);
1125 }
1126
1127 static void phy_clk_release_provider(void *res)
1128 {
1129         of_clk_del_provider(res);
1130 }
1131
1132 /*
1133  * Register a fixed rate pipe clock.
1134  *
1135  * The <s>_pipe_clksrc generated by PHY goes to the GCC that gate
1136  * controls it. The <s>_pipe_clk coming out of the GCC is requested
1137  * by the PHY driver for its operations.
1138  * We register the <s>_pipe_clksrc here. The gcc driver takes care
1139  * of assigning this <s>_pipe_clksrc as parent to <s>_pipe_clk.
1140  * Below picture shows this relationship.
1141  *
1142  *         +---------------+
1143  *         |   PHY block   |<<---------------------------------------+
1144  *         |               |                                         |
1145  *         |   +-------+   |                   +-----+               |
1146  *   I/P---^-->|  PLL  |---^--->pipe_clksrc--->| GCC |--->pipe_clk---+
1147  *    clk  |   +-------+   |                   +-----+
1148  *         +---------------+
1149  */
1150 static int phy_pipe_clk_register(struct qmp_usb *qmp, struct device_node *np)
1151 {
1152         struct clk_fixed_rate *fixed = &qmp->pipe_clk_fixed;
1153         struct clk_init_data init = { };
1154         int ret;
1155
1156         ret = of_property_read_string(np, "clock-output-names", &init.name);
1157         if (ret) {
1158                 dev_err(qmp->dev, "%pOFn: No clock-output-names\n", np);
1159                 return ret;
1160         }
1161
1162         init.ops = &clk_fixed_rate_ops;
1163
1164         /* controllers using QMP phys use 125MHz pipe clock interface */
1165         fixed->fixed_rate = 125000000;
1166         fixed->hw.init = &init;
1167
1168         ret = devm_clk_hw_register(qmp->dev, &fixed->hw);
1169         if (ret)
1170                 return ret;
1171
1172         ret = of_clk_add_hw_provider(np, of_clk_hw_simple_get, &fixed->hw);
1173         if (ret)
1174                 return ret;
1175
1176         /*
1177          * Roll a devm action because the clock provider is the child node, but
1178          * the child node is not actually a device.
1179          */
1180         return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np);
1181 }
1182
1183 static void __iomem *qmp_usb_legacy_iomap(struct device *dev, struct device_node *np,
1184                                         int index, bool exclusive)
1185 {
1186         struct resource res;
1187
1188         if (!exclusive) {
1189                 if (of_address_to_resource(np, index, &res))
1190                         return IOMEM_ERR_PTR(-EINVAL);
1191
1192                 return devm_ioremap(dev, res.start, resource_size(&res));
1193         }
1194
1195         return devm_of_iomap(dev, np, index, NULL);
1196 }
1197
1198 static int qmp_usb_legacy_parse_dt_legacy(struct qmp_usb *qmp, struct device_node *np)
1199 {
1200         struct platform_device *pdev = to_platform_device(qmp->dev);
1201         const struct qmp_phy_cfg *cfg = qmp->cfg;
1202         struct device *dev = qmp->dev;
1203         bool exclusive = true;
1204
1205         qmp->serdes = devm_platform_ioremap_resource(pdev, 0);
1206         if (IS_ERR(qmp->serdes))
1207                 return PTR_ERR(qmp->serdes);
1208
1209         qmp->dp_com = devm_platform_ioremap_resource(pdev, 1);
1210         if (IS_ERR(qmp->dp_com))
1211                 return PTR_ERR(qmp->dp_com);
1212
1213         /*
1214          * Get memory resources for the PHY:
1215          * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
1216          * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5
1217          * For single lane PHYs: pcs_misc (optional) -> 3.
1218          */
1219         qmp->tx = devm_of_iomap(dev, np, 0, NULL);
1220         if (IS_ERR(qmp->tx))
1221                 return PTR_ERR(qmp->tx);
1222
1223         qmp->rx = devm_of_iomap(dev, np, 1, NULL);
1224         if (IS_ERR(qmp->rx))
1225                 return PTR_ERR(qmp->rx);
1226
1227         qmp->pcs = qmp_usb_legacy_iomap(dev, np, 2, exclusive);
1228         if (IS_ERR(qmp->pcs))
1229                 return PTR_ERR(qmp->pcs);
1230
1231         if (cfg->pcs_usb_offset)
1232                 qmp->pcs_usb = qmp->pcs + cfg->pcs_usb_offset;
1233
1234         if (cfg->lanes >= 2) {
1235                 qmp->tx2 = devm_of_iomap(dev, np, 3, NULL);
1236                 if (IS_ERR(qmp->tx2))
1237                         return PTR_ERR(qmp->tx2);
1238
1239                 qmp->rx2 = devm_of_iomap(dev, np, 4, NULL);
1240                 if (IS_ERR(qmp->rx2))
1241                         return PTR_ERR(qmp->rx2);
1242
1243                 qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL);
1244         } else {
1245                 qmp->pcs_misc = devm_of_iomap(dev, np, 3, NULL);
1246         }
1247
1248         if (IS_ERR(qmp->pcs_misc)) {
1249                 dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
1250                 qmp->pcs_misc = NULL;
1251         }
1252
1253         qmp->pipe_clk = devm_get_clk_from_child(dev, np, NULL);
1254         if (IS_ERR(qmp->pipe_clk)) {
1255                 return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),
1256                                      "failed to get pipe clock\n");
1257         }
1258
1259         return 0;
1260 }
1261
1262 static int qmp_usb_legacy_parse_dt(struct qmp_usb *qmp)
1263 {
1264         struct platform_device *pdev = to_platform_device(qmp->dev);
1265         const struct qmp_phy_cfg *cfg = qmp->cfg;
1266         const struct qmp_usb_legacy_offsets *offs = cfg->offsets;
1267         struct device *dev = qmp->dev;
1268         void __iomem *base;
1269
1270         if (!offs)
1271                 return -EINVAL;
1272
1273         base = devm_platform_ioremap_resource(pdev, 0);
1274         if (IS_ERR(base))
1275                 return PTR_ERR(base);
1276
1277         qmp->serdes = base + offs->serdes;
1278         qmp->pcs = base + offs->pcs;
1279         qmp->pcs_usb = base + offs->pcs_usb;
1280         qmp->tx = base + offs->tx;
1281         qmp->rx = base + offs->rx;
1282
1283         qmp->pipe_clk = devm_clk_get(dev, "pipe");
1284         if (IS_ERR(qmp->pipe_clk)) {
1285                 return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),
1286                                      "failed to get pipe clock\n");
1287         }
1288
1289         return 0;
1290 }
1291
1292 static int qmp_usb_legacy_probe(struct platform_device *pdev)
1293 {
1294         struct device *dev = &pdev->dev;
1295         struct phy_provider *phy_provider;
1296         struct device_node *np;
1297         struct qmp_usb *qmp;
1298         int ret;
1299
1300         qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL);
1301         if (!qmp)
1302                 return -ENOMEM;
1303
1304         qmp->dev = dev;
1305
1306         qmp->cfg = of_device_get_match_data(dev);
1307         if (!qmp->cfg)
1308                 return -EINVAL;
1309
1310         ret = qmp_usb_legacy_clk_init(qmp);
1311         if (ret)
1312                 return ret;
1313
1314         ret = qmp_usb_legacy_reset_init(qmp);
1315         if (ret)
1316                 return ret;
1317
1318         ret = qmp_usb_legacy_vreg_init(qmp);
1319         if (ret)
1320                 return ret;
1321
1322         /* Check for legacy binding with child node. */
1323         np = of_get_next_available_child(dev->of_node, NULL);
1324         if (np) {
1325                 ret = qmp_usb_legacy_parse_dt_legacy(qmp, np);
1326         } else {
1327                 np = of_node_get(dev->of_node);
1328                 ret = qmp_usb_legacy_parse_dt(qmp);
1329         }
1330         if (ret)
1331                 goto err_node_put;
1332
1333         pm_runtime_set_active(dev);
1334         ret = devm_pm_runtime_enable(dev);
1335         if (ret)
1336                 goto err_node_put;
1337         /*
1338          * Prevent runtime pm from being ON by default. Users can enable
1339          * it using power/control in sysfs.
1340          */
1341         pm_runtime_forbid(dev);
1342
1343         ret = phy_pipe_clk_register(qmp, np);
1344         if (ret)
1345                 goto err_node_put;
1346
1347         qmp->phy = devm_phy_create(dev, np, &qmp_usb_legacy_phy_ops);
1348         if (IS_ERR(qmp->phy)) {
1349                 ret = PTR_ERR(qmp->phy);
1350                 dev_err(dev, "failed to create PHY: %d\n", ret);
1351                 goto err_node_put;
1352         }
1353
1354         phy_set_drvdata(qmp->phy, qmp);
1355
1356         of_node_put(np);
1357
1358         phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
1359
1360         return PTR_ERR_OR_ZERO(phy_provider);
1361
1362 err_node_put:
1363         of_node_put(np);
1364         return ret;
1365 }
1366
1367 static const struct of_device_id qmp_usb_legacy_of_match_table[] = {
1368         {
1369                 .compatible = "qcom,sc7180-qmp-usb3-phy",
1370                 .data = &sc7180_usb3phy_cfg,
1371         }, {
1372                 .compatible = "qcom,sc8180x-qmp-usb3-phy",
1373                 .data = &sm8150_usb3phy_cfg,
1374         }, {
1375                 .compatible = "qcom,sdm845-qmp-usb3-phy",
1376                 .data = &qmp_v3_usb3phy_cfg,
1377         }, {
1378                 .compatible = "qcom,sm8150-qmp-usb3-phy",
1379                 .data = &sm8150_usb3phy_cfg,
1380         }, {
1381                 .compatible = "qcom,sm8250-qmp-usb3-phy",
1382                 .data = &sm8250_usb3phy_cfg,
1383         }, {
1384                 .compatible = "qcom,sm8350-qmp-usb3-phy",
1385                 .data = &sm8350_usb3phy_cfg,
1386         }, {
1387                 .compatible = "qcom,sm8450-qmp-usb3-phy",
1388                 .data = &sm8350_usb3phy_cfg,
1389         },
1390         { },
1391 };
1392 MODULE_DEVICE_TABLE(of, qmp_usb_legacy_of_match_table);
1393
1394 static struct platform_driver qmp_usb_legacy_driver = {
1395         .probe          = qmp_usb_legacy_probe,
1396         .driver = {
1397                 .name   = "qcom-qmp-usb-legacy-phy",
1398                 .pm     = &qmp_usb_legacy_pm_ops,
1399                 .of_match_table = qmp_usb_legacy_of_match_table,
1400         },
1401 };
1402
1403 module_platform_driver(qmp_usb_legacy_driver);
1404
1405 MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
1406 MODULE_DESCRIPTION("Qualcomm QMP legacy USB+DP PHY driver");
1407 MODULE_LICENSE("GPL v2");