Merge tag 'bcachefs-2024-03-19' of https://evilpiepirate.org/git/bcachefs
[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 #include "phy-qcom-qmp-dp-com-v3.h"
29
30 /* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */
31 /* DP PHY soft reset */
32 #define SW_DPPHY_RESET                          BIT(0)
33 /* mux to select DP PHY reset control, 0:HW control, 1: software reset */
34 #define SW_DPPHY_RESET_MUX                      BIT(1)
35 /* USB3 PHY soft reset */
36 #define SW_USB3PHY_RESET                        BIT(2)
37 /* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */
38 #define SW_USB3PHY_RESET_MUX                    BIT(3)
39
40 /* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */
41 #define USB3_MODE                               BIT(0) /* enables USB3 mode */
42 #define DP_MODE                                 BIT(1) /* enables DP mode */
43
44 #define PHY_INIT_COMPLETE_TIMEOUT               10000
45
46 struct qmp_phy_init_tbl {
47         unsigned int offset;
48         unsigned int val;
49         /*
50          * mask of lanes for which this register is written
51          * for cases when second lane needs different values
52          */
53         u8 lane_mask;
54 };
55
56 #define QMP_PHY_INIT_CFG(o, v)          \
57         {                               \
58                 .offset = o,            \
59                 .val = v,               \
60                 .lane_mask = 0xff,      \
61         }
62
63 #define QMP_PHY_INIT_CFG_LANE(o, v, l)  \
64         {                               \
65                 .offset = o,            \
66                 .val = v,               \
67                 .lane_mask = l,         \
68         }
69
70 /* set of registers with offsets different per-PHY */
71 enum qphy_reg_layout {
72         /* PCS registers */
73         QPHY_SW_RESET,
74         QPHY_START_CTRL,
75         QPHY_PCS_STATUS,
76         QPHY_PCS_AUTONOMOUS_MODE_CTRL,
77         QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
78         QPHY_PCS_POWER_DOWN_CONTROL,
79         /* Keep last to ensure regs_layout arrays are properly initialized */
80         QPHY_LAYOUT_SIZE
81 };
82
83 static const unsigned int qmp_v3_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
84         [QPHY_SW_RESET]                 = QPHY_V3_PCS_SW_RESET,
85         [QPHY_START_CTRL]               = QPHY_V3_PCS_START_CONTROL,
86         [QPHY_PCS_STATUS]               = QPHY_V3_PCS_PCS_STATUS,
87         [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V3_PCS_AUTONOMOUS_MODE_CTRL,
88         [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V3_PCS_LFPS_RXTERM_IRQ_CLEAR,
89         [QPHY_PCS_POWER_DOWN_CONTROL]   = QPHY_V3_PCS_POWER_DOWN_CONTROL,
90 };
91
92 static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
93         [QPHY_SW_RESET]                 = QPHY_V4_PCS_SW_RESET,
94         [QPHY_START_CTRL]               = QPHY_V4_PCS_START_CONTROL,
95         [QPHY_PCS_STATUS]               = QPHY_V4_PCS_PCS_STATUS1,
96         [QPHY_PCS_POWER_DOWN_CONTROL]   = QPHY_V4_PCS_POWER_DOWN_CONTROL,
97
98         /* In PCS_USB */
99         [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V4_PCS_USB3_AUTONOMOUS_MODE_CTRL,
100         [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V4_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR,
101 };
102
103 static const unsigned int qmp_v5_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
104         [QPHY_SW_RESET]                 = QPHY_V5_PCS_SW_RESET,
105         [QPHY_START_CTRL]               = QPHY_V5_PCS_START_CONTROL,
106         [QPHY_PCS_STATUS]               = QPHY_V5_PCS_PCS_STATUS1,
107         [QPHY_PCS_POWER_DOWN_CONTROL]   = QPHY_V5_PCS_POWER_DOWN_CONTROL,
108
109         /* In PCS_USB */
110         [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V5_PCS_USB3_AUTONOMOUS_MODE_CTRL,
111         [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V5_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR,
112 };
113
114 static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = {
115         QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
116         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14),
117         QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
118         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
119         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
120         QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08),
121         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x16),
122         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
123         QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80),
124         QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
125         QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab),
126         QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea),
127         QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02),
128         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
129         QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
130         QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
131         QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
132         QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
133         QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
134         QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9),
135         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
136         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
137         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34),
138         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15),
139         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04),
140         QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
141         QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00),
142         QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
143         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a),
144         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01),
145         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31),
146         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01),
147         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00),
148         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00),
149         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85),
150         QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07),
151 };
152
153 static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = {
154         QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10),
155         QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12),
156         QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x16),
157         QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
158         QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
159 };
160
161 static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = {
162         QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
163         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
164         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e),
165         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18),
166         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
167         QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
168         QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03),
169         QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
170         QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75),
171 };
172
173 static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = {
174         /* FLL settings */
175         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
176         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
177         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
178         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40),
179         QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
180
181         /* Lock Det settings */
182         QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
183         QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
184         QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
185         QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
186
187         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0xba),
188         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f),
189         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f),
190         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb7),
191         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4e),
192         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x65),
193         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6b),
194         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
195         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d),
196         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15),
197         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d),
198         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15),
199         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d),
200         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15),
201         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x1d),
202         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15),
203         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d),
204         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15),
205         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d),
206
207         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02),
208         QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
209         QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
210         QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
211         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
212         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
213         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
214         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
215         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
216         QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
217         QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
218 };
219
220 static const struct qmp_phy_init_tbl sm8150_usb3_serdes_tbl[] = {
221         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01),
222         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31),
223         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01),
224         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde),
225         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07),
226         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0xde),
227         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x07),
228         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x0a),
229         QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_IPTRIM, 0x20),
230         QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
231         QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
232         QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
233         QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
234         QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
235         QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
236         QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x1a),
237         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
238         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x14),
239         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x34),
240         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x34),
241         QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x82),
242         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
243         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x82),
244         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0xab),
245         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0xea),
246         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x02),
247         QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
248         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab),
249         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xea),
250         QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02),
251         QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
252         QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0x24),
253         QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x02),
254         QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
255         QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
256         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca),
257         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
258         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xca),
259         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x1e),
260         QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
261 };
262
263 static const struct qmp_phy_init_tbl sm8150_usb3_tx_tbl[] = {
264         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x00),
265         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x00),
266         QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
267         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
268         QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x20),
269 };
270
271 static const struct qmp_phy_init_tbl sm8150_usb3_rx_tbl[] = {
272         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x05),
273         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
274         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
275         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
276         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
277         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
278         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
279         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
280         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
281         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
282         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
283         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0e),
284         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
285         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
286         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
287         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
288         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
289         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
290         QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
291         QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
292         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xbf),
293         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xbf),
294         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x3f),
295         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
296         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x94),
297         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
298         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
299         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
300         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x0b),
301         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb3),
302         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
303         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
304         QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
305         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
306         QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
307         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
308 };
309
310 static const struct qmp_phy_init_tbl sm8150_usb3_pcs_tbl[] = {
311         /* Lock Det settings */
312         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
313         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
314         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
315
316         QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
317         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
318         QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
319         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
320         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
321         QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
322         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
323         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
324 };
325
326 static const struct qmp_phy_init_tbl sm8150_usb3_pcs_usb_tbl[] = {
327         QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
328         QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
329 };
330
331 static const struct qmp_phy_init_tbl sm8250_usb3_tx_tbl[] = {
332         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x60),
333         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x60),
334         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
335         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
336         QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
337         QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
338         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x40, 1),
339         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x54, 2),
340 };
341
342 static const struct qmp_phy_init_tbl sm8250_usb3_rx_tbl[] = {
343         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
344         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
345         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
346         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
347         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
348         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
349         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
350         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
351         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
352         QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
353         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
354         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
355         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
356         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
357         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
358         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
359         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
360         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
361         QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
362         QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
363         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0xff, 1),
364         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f, 2),
365         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f, 1),
366         QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff, 2),
367         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x7f),
368         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
369         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x97),
370         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
371         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
372         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
373         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
374         QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
375         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
376         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
377         QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
378         QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
379         QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
380         QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
381 };
382
383 static const struct qmp_phy_init_tbl sm8250_usb3_pcs_tbl[] = {
384         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
385         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
386         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
387         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
388         QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
389         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
390         QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
391         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
392         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
393         QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
394         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
395         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
396 };
397
398 static const struct qmp_phy_init_tbl sm8250_usb3_pcs_usb_tbl[] = {
399         QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
400         QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
401 };
402
403 static const struct qmp_phy_init_tbl sm8350_usb3_tx_tbl[] = {
404         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_TX, 0x00),
405         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_RX, 0x00),
406         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x16),
407         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x0e),
408         QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0x35),
409         QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_3, 0x3f),
410         QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_4, 0x7f),
411         QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_5, 0x3f),
412         QMP_PHY_INIT_CFG(QSERDES_V5_TX_RCV_DETECT_LVL_2, 0x12),
413         QMP_PHY_INIT_CFG(QSERDES_V5_TX_PI_QEC_CTRL, 0x21),
414 };
415
416 static const struct qmp_phy_init_tbl sm8350_usb3_rx_tbl[] = {
417         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x0a),
418         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x05),
419         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
420         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
421         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
422         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
423         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0x99),
424         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH1, 0x08),
425         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH2, 0x08),
426         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN1, 0x00),
427         QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN2, 0x04),
428         QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL1, 0x54),
429         QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x0f),
430         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
431         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
432         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
433         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
434         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
435         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
436         QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_CNTRL, 0x04),
437         QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
438         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0xbb),
439         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0x7b),
440         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xbb),
441         QMP_PHY_INIT_CFG_LANE(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3d, 1),
442         QMP_PHY_INIT_CFG_LANE(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3c, 2),
443         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0xdb),
444         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0x64),
445         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0x24),
446         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xd2),
447         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH3, 0x13),
448         QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0xa9),
449         QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_EN_TIMER, 0x04),
450         QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
451         QMP_PHY_INIT_CFG(QSERDES_V5_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
452         QMP_PHY_INIT_CFG(QSERDES_V5_RX_DCC_CTRL1, 0x0c),
453         QMP_PHY_INIT_CFG(QSERDES_V5_RX_GM_CAL, 0x00),
454         QMP_PHY_INIT_CFG(QSERDES_V5_RX_VTH_CODE, 0x10),
455 };
456
457 static const struct qmp_phy_init_tbl sm8350_usb3_pcs_tbl[] = {
458         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
459         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
460         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
461         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
462         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
463         QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
464         QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
465         QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
466         QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
467         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
468         QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
469         QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
470         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
471         QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
472 };
473
474 static const struct qmp_phy_init_tbl sm8350_usb3_pcs_usb_tbl[] = {
475         QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RCVR_DTCT_DLY_U3_L, 0x40),
476         QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RCVR_DTCT_DLY_U3_H, 0x00),
477         QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
478         QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
479 };
480
481 struct qmp_usb_legacy_offsets {
482         u16 serdes;
483         u16 pcs;
484         u16 pcs_usb;
485         u16 tx;
486         u16 rx;
487 };
488
489 /* struct qmp_phy_cfg - per-PHY initialization config */
490 struct qmp_phy_cfg {
491         const struct qmp_usb_legacy_offsets *offsets;
492
493         /* Init sequence for PHY blocks - serdes, tx, rx, pcs */
494         const struct qmp_phy_init_tbl *serdes_tbl;
495         int serdes_tbl_num;
496         const struct qmp_phy_init_tbl *tx_tbl;
497         int tx_tbl_num;
498         const struct qmp_phy_init_tbl *rx_tbl;
499         int rx_tbl_num;
500         const struct qmp_phy_init_tbl *pcs_tbl;
501         int pcs_tbl_num;
502         const struct qmp_phy_init_tbl *pcs_usb_tbl;
503         int pcs_usb_tbl_num;
504
505         /* clock ids to be requested */
506         const char * const *clk_list;
507         int num_clks;
508         /* resets to be requested */
509         const char * const *reset_list;
510         int num_resets;
511         /* regulators to be requested */
512         const char * const *vreg_list;
513         int num_vregs;
514
515         /* array of registers with different offsets */
516         const unsigned int *regs;
517
518         /* Offset from PCS to PCS_USB region */
519         unsigned int pcs_usb_offset;
520 };
521
522 struct qmp_usb {
523         struct device *dev;
524
525         const struct qmp_phy_cfg *cfg;
526
527         void __iomem *serdes;
528         void __iomem *pcs;
529         void __iomem *pcs_misc;
530         void __iomem *pcs_usb;
531         void __iomem *tx;
532         void __iomem *rx;
533         void __iomem *tx2;
534         void __iomem *rx2;
535
536         void __iomem *dp_com;
537
538         struct clk *pipe_clk;
539         struct clk_bulk_data *clks;
540         struct reset_control_bulk_data *resets;
541         struct regulator_bulk_data *vregs;
542
543         enum phy_mode mode;
544
545         struct phy *phy;
546
547         struct clk_fixed_rate pipe_clk_fixed;
548 };
549
550 static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
551 {
552         u32 reg;
553
554         reg = readl(base + offset);
555         reg |= val;
556         writel(reg, base + offset);
557
558         /* ensure that above write is through */
559         readl(base + offset);
560 }
561
562 static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
563 {
564         u32 reg;
565
566         reg = readl(base + offset);
567         reg &= ~val;
568         writel(reg, base + offset);
569
570         /* ensure that above write is through */
571         readl(base + offset);
572 }
573
574 /* list of clocks required by phy */
575 static const char * const qmp_v3_phy_clk_l[] = {
576         "aux", "cfg_ahb", "ref", "com_aux",
577 };
578
579 static const char * const qmp_v4_ref_phy_clk_l[] = {
580         "aux", "ref_clk_src", "ref", "com_aux",
581 };
582
583 /* the primary usb3 phy on sm8250 doesn't have a ref clock */
584 static const char * const qmp_v4_sm8250_usbphy_clk_l[] = {
585         "aux", "ref_clk_src", "com_aux"
586 };
587
588 /* list of resets */
589 static const char * const msm8996_usb3phy_reset_l[] = {
590         "phy", "common",
591 };
592
593 static const char * const sc7180_usb3phy_reset_l[] = {
594         "phy",
595 };
596
597 /* list of regulators */
598 static const char * const qmp_phy_vreg_l[] = {
599         "vdda-phy", "vdda-pll",
600 };
601
602 static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
603         .serdes_tbl             = qmp_v3_usb3_serdes_tbl,
604         .serdes_tbl_num         = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
605         .tx_tbl                 = qmp_v3_usb3_tx_tbl,
606         .tx_tbl_num             = ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
607         .rx_tbl                 = qmp_v3_usb3_rx_tbl,
608         .rx_tbl_num             = ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
609         .pcs_tbl                = qmp_v3_usb3_pcs_tbl,
610         .pcs_tbl_num            = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
611         .clk_list               = qmp_v3_phy_clk_l,
612         .num_clks               = ARRAY_SIZE(qmp_v3_phy_clk_l),
613         .reset_list             = msm8996_usb3phy_reset_l,
614         .num_resets             = ARRAY_SIZE(msm8996_usb3phy_reset_l),
615         .vreg_list              = qmp_phy_vreg_l,
616         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
617         .regs                   = qmp_v3_usb3phy_regs_layout,
618 };
619
620 static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
621         .serdes_tbl             = qmp_v3_usb3_serdes_tbl,
622         .serdes_tbl_num         = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
623         .tx_tbl                 = qmp_v3_usb3_tx_tbl,
624         .tx_tbl_num             = ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
625         .rx_tbl                 = qmp_v3_usb3_rx_tbl,
626         .rx_tbl_num             = ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
627         .pcs_tbl                = qmp_v3_usb3_pcs_tbl,
628         .pcs_tbl_num            = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
629         .clk_list               = qmp_v3_phy_clk_l,
630         .num_clks               = ARRAY_SIZE(qmp_v3_phy_clk_l),
631         .reset_list             = sc7180_usb3phy_reset_l,
632         .num_resets             = ARRAY_SIZE(sc7180_usb3phy_reset_l),
633         .vreg_list              = qmp_phy_vreg_l,
634         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
635         .regs                   = qmp_v3_usb3phy_regs_layout,
636 };
637
638 static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
639         .serdes_tbl             = sm8150_usb3_serdes_tbl,
640         .serdes_tbl_num         = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
641         .tx_tbl                 = sm8150_usb3_tx_tbl,
642         .tx_tbl_num             = ARRAY_SIZE(sm8150_usb3_tx_tbl),
643         .rx_tbl                 = sm8150_usb3_rx_tbl,
644         .rx_tbl_num             = ARRAY_SIZE(sm8150_usb3_rx_tbl),
645         .pcs_tbl                = sm8150_usb3_pcs_tbl,
646         .pcs_tbl_num            = ARRAY_SIZE(sm8150_usb3_pcs_tbl),
647         .pcs_usb_tbl            = sm8150_usb3_pcs_usb_tbl,
648         .pcs_usb_tbl_num        = ARRAY_SIZE(sm8150_usb3_pcs_usb_tbl),
649         .clk_list               = qmp_v4_ref_phy_clk_l,
650         .num_clks               = ARRAY_SIZE(qmp_v4_ref_phy_clk_l),
651         .reset_list             = msm8996_usb3phy_reset_l,
652         .num_resets             = ARRAY_SIZE(msm8996_usb3phy_reset_l),
653         .vreg_list              = qmp_phy_vreg_l,
654         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
655         .regs                   = qmp_v4_usb3phy_regs_layout,
656         .pcs_usb_offset         = 0x300,
657 };
658
659 static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
660         .serdes_tbl             = sm8150_usb3_serdes_tbl,
661         .serdes_tbl_num         = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
662         .tx_tbl                 = sm8250_usb3_tx_tbl,
663         .tx_tbl_num             = ARRAY_SIZE(sm8250_usb3_tx_tbl),
664         .rx_tbl                 = sm8250_usb3_rx_tbl,
665         .rx_tbl_num             = ARRAY_SIZE(sm8250_usb3_rx_tbl),
666         .pcs_tbl                = sm8250_usb3_pcs_tbl,
667         .pcs_tbl_num            = ARRAY_SIZE(sm8250_usb3_pcs_tbl),
668         .pcs_usb_tbl            = sm8250_usb3_pcs_usb_tbl,
669         .pcs_usb_tbl_num        = ARRAY_SIZE(sm8250_usb3_pcs_usb_tbl),
670         .clk_list               = qmp_v4_sm8250_usbphy_clk_l,
671         .num_clks               = ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
672         .reset_list             = msm8996_usb3phy_reset_l,
673         .num_resets             = ARRAY_SIZE(msm8996_usb3phy_reset_l),
674         .vreg_list              = qmp_phy_vreg_l,
675         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
676         .regs                   = qmp_v4_usb3phy_regs_layout,
677         .pcs_usb_offset         = 0x300,
678 };
679
680 static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
681         .serdes_tbl             = sm8150_usb3_serdes_tbl,
682         .serdes_tbl_num         = ARRAY_SIZE(sm8150_usb3_serdes_tbl),
683         .tx_tbl                 = sm8350_usb3_tx_tbl,
684         .tx_tbl_num             = ARRAY_SIZE(sm8350_usb3_tx_tbl),
685         .rx_tbl                 = sm8350_usb3_rx_tbl,
686         .rx_tbl_num             = ARRAY_SIZE(sm8350_usb3_rx_tbl),
687         .pcs_tbl                = sm8350_usb3_pcs_tbl,
688         .pcs_tbl_num            = ARRAY_SIZE(sm8350_usb3_pcs_tbl),
689         .pcs_usb_tbl            = sm8350_usb3_pcs_usb_tbl,
690         .pcs_usb_tbl_num        = ARRAY_SIZE(sm8350_usb3_pcs_usb_tbl),
691         .clk_list               = qmp_v4_sm8250_usbphy_clk_l,
692         .num_clks               = ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
693         .reset_list             = msm8996_usb3phy_reset_l,
694         .num_resets             = ARRAY_SIZE(msm8996_usb3phy_reset_l),
695         .vreg_list              = qmp_phy_vreg_l,
696         .num_vregs              = ARRAY_SIZE(qmp_phy_vreg_l),
697         .regs                   = qmp_v5_usb3phy_regs_layout,
698         .pcs_usb_offset         = 0x300,
699 };
700
701 static void qmp_usb_legacy_configure_lane(void __iomem *base,
702                                         const struct qmp_phy_init_tbl tbl[],
703                                         int num,
704                                         u8 lane_mask)
705 {
706         int i;
707         const struct qmp_phy_init_tbl *t = tbl;
708
709         if (!t)
710                 return;
711
712         for (i = 0; i < num; i++, t++) {
713                 if (!(t->lane_mask & lane_mask))
714                         continue;
715
716                 writel(t->val, base + t->offset);
717         }
718 }
719
720 static void qmp_usb_legacy_configure(void __iomem *base,
721                                    const struct qmp_phy_init_tbl tbl[],
722                                    int num)
723 {
724         qmp_usb_legacy_configure_lane(base, tbl, num, 0xff);
725 }
726
727 static int qmp_usb_legacy_serdes_init(struct qmp_usb *qmp)
728 {
729         const struct qmp_phy_cfg *cfg = qmp->cfg;
730         void __iomem *serdes = qmp->serdes;
731         const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
732         int serdes_tbl_num = cfg->serdes_tbl_num;
733
734         qmp_usb_legacy_configure(serdes, serdes_tbl, serdes_tbl_num);
735
736         return 0;
737 }
738
739 static void qmp_usb_legacy_init_dp_com(struct phy *phy)
740 {
741         struct qmp_usb *qmp = phy_get_drvdata(phy);
742         void __iomem *dp_com = qmp->dp_com;
743
744         qphy_setbits(dp_com, QPHY_V3_DP_COM_POWER_DOWN_CTRL,
745                      SW_PWRDN);
746         /* override hardware control for reset of qmp phy */
747         qphy_setbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
748                      SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
749                      SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
750
751         /* Default type-c orientation, i.e CC1 */
752         qphy_setbits(dp_com, QPHY_V3_DP_COM_TYPEC_CTRL, 0x02);
753
754         qphy_setbits(dp_com, QPHY_V3_DP_COM_PHY_MODE_CTRL,
755                      USB3_MODE | DP_MODE);
756
757         /* bring both QMP USB and QMP DP PHYs PCS block out of reset */
758         qphy_clrbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
759                      SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
760                      SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
761
762         qphy_clrbits(dp_com, QPHY_V3_DP_COM_SWI_CTRL, 0x03);
763         qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET);
764 }
765
766 static int qmp_usb_legacy_init(struct phy *phy)
767 {
768         struct qmp_usb *qmp = phy_get_drvdata(phy);
769         const struct qmp_phy_cfg *cfg = qmp->cfg;
770         void __iomem *pcs = qmp->pcs;
771         int ret;
772
773         ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs);
774         if (ret) {
775                 dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret);
776                 return ret;
777         }
778
779         ret = reset_control_bulk_assert(cfg->num_resets, qmp->resets);
780         if (ret) {
781                 dev_err(qmp->dev, "reset assert failed\n");
782                 goto err_disable_regulators;
783         }
784
785         ret = reset_control_bulk_deassert(cfg->num_resets, qmp->resets);
786         if (ret) {
787                 dev_err(qmp->dev, "reset deassert failed\n");
788                 goto err_disable_regulators;
789         }
790
791         ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
792         if (ret)
793                 goto err_assert_reset;
794
795         qmp_usb_legacy_init_dp_com(phy);
796
797         qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN);
798
799         return 0;
800
801 err_assert_reset:
802         reset_control_bulk_assert(cfg->num_resets, qmp->resets);
803 err_disable_regulators:
804         regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
805
806         return ret;
807 }
808
809 static int qmp_usb_legacy_exit(struct phy *phy)
810 {
811         struct qmp_usb *qmp = phy_get_drvdata(phy);
812         const struct qmp_phy_cfg *cfg = qmp->cfg;
813
814         reset_control_bulk_assert(cfg->num_resets, qmp->resets);
815
816         clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
817
818         regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
819
820         return 0;
821 }
822
823 static int qmp_usb_legacy_power_on(struct phy *phy)
824 {
825         struct qmp_usb *qmp = phy_get_drvdata(phy);
826         const struct qmp_phy_cfg *cfg = qmp->cfg;
827         void __iomem *tx = qmp->tx;
828         void __iomem *rx = qmp->rx;
829         void __iomem *pcs = qmp->pcs;
830         void __iomem *status;
831         unsigned int val;
832         int ret;
833
834         qmp_usb_legacy_serdes_init(qmp);
835
836         ret = clk_prepare_enable(qmp->pipe_clk);
837         if (ret) {
838                 dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
839                 return ret;
840         }
841
842         /* Tx, Rx, and PCS configurations */
843         qmp_usb_legacy_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1);
844         qmp_usb_legacy_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1);
845
846         qmp_usb_legacy_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2);
847         qmp_usb_legacy_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2);
848
849         qmp_usb_legacy_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
850
851         usleep_range(10, 20);
852
853         /* Pull PHY out of reset state */
854         qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
855
856         /* start SerDes and Phy-Coding-Sublayer */
857         qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START);
858
859         status = pcs + cfg->regs[QPHY_PCS_STATUS];
860         ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 200,
861                                  PHY_INIT_COMPLETE_TIMEOUT);
862         if (ret) {
863                 dev_err(qmp->dev, "phy initialization timed-out\n");
864                 goto err_disable_pipe_clk;
865         }
866
867         return 0;
868
869 err_disable_pipe_clk:
870         clk_disable_unprepare(qmp->pipe_clk);
871
872         return ret;
873 }
874
875 static int qmp_usb_legacy_power_off(struct phy *phy)
876 {
877         struct qmp_usb *qmp = phy_get_drvdata(phy);
878         const struct qmp_phy_cfg *cfg = qmp->cfg;
879
880         clk_disable_unprepare(qmp->pipe_clk);
881
882         /* PHY reset */
883         qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
884
885         /* stop SerDes and Phy-Coding-Sublayer */
886         qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL],
887                         SERDES_START | PCS_START);
888
889         /* Put PHY into POWER DOWN state: active low */
890         qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
891                         SW_PWRDN);
892
893         return 0;
894 }
895
896 static int qmp_usb_legacy_enable(struct phy *phy)
897 {
898         int ret;
899
900         ret = qmp_usb_legacy_init(phy);
901         if (ret)
902                 return ret;
903
904         ret = qmp_usb_legacy_power_on(phy);
905         if (ret)
906                 qmp_usb_legacy_exit(phy);
907
908         return ret;
909 }
910
911 static int qmp_usb_legacy_disable(struct phy *phy)
912 {
913         int ret;
914
915         ret = qmp_usb_legacy_power_off(phy);
916         if (ret)
917                 return ret;
918         return qmp_usb_legacy_exit(phy);
919 }
920
921 static int qmp_usb_legacy_set_mode(struct phy *phy, enum phy_mode mode, int submode)
922 {
923         struct qmp_usb *qmp = phy_get_drvdata(phy);
924
925         qmp->mode = mode;
926
927         return 0;
928 }
929
930 static const struct phy_ops qmp_usb_legacy_phy_ops = {
931         .init           = qmp_usb_legacy_enable,
932         .exit           = qmp_usb_legacy_disable,
933         .set_mode       = qmp_usb_legacy_set_mode,
934         .owner          = THIS_MODULE,
935 };
936
937 static void qmp_usb_legacy_enable_autonomous_mode(struct qmp_usb *qmp)
938 {
939         const struct qmp_phy_cfg *cfg = qmp->cfg;
940         void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs;
941         void __iomem *pcs_misc = qmp->pcs_misc;
942         u32 intr_mask;
943
944         if (qmp->mode == PHY_MODE_USB_HOST_SS ||
945             qmp->mode == PHY_MODE_USB_DEVICE_SS)
946                 intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN;
947         else
948                 intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL;
949
950         /* Clear any pending interrupts status */
951         qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
952         /* Writing 1 followed by 0 clears the interrupt */
953         qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
954
955         qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
956                      ARCVR_DTCT_EN | ALFPS_DTCT_EN | ARCVR_DTCT_EVENT_SEL);
957
958         /* Enable required PHY autonomous mode interrupts */
959         qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask);
960
961         /* Enable i/o clamp_n for autonomous mode */
962         if (pcs_misc)
963                 qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
964 }
965
966 static void qmp_usb_legacy_disable_autonomous_mode(struct qmp_usb *qmp)
967 {
968         const struct qmp_phy_cfg *cfg = qmp->cfg;
969         void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs;
970         void __iomem *pcs_misc = qmp->pcs_misc;
971
972         /* Disable i/o clamp_n on resume for normal mode */
973         if (pcs_misc)
974                 qphy_setbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
975
976         qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
977                      ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN);
978
979         qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
980         /* Writing 1 followed by 0 clears the interrupt */
981         qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
982 }
983
984 static int __maybe_unused qmp_usb_legacy_runtime_suspend(struct device *dev)
985 {
986         struct qmp_usb *qmp = dev_get_drvdata(dev);
987         const struct qmp_phy_cfg *cfg = qmp->cfg;
988
989         dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode);
990
991         if (!qmp->phy->init_count) {
992                 dev_vdbg(dev, "PHY not initialized, bailing out\n");
993                 return 0;
994         }
995
996         qmp_usb_legacy_enable_autonomous_mode(qmp);
997
998         clk_disable_unprepare(qmp->pipe_clk);
999         clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
1000
1001         return 0;
1002 }
1003
1004 static int __maybe_unused qmp_usb_legacy_runtime_resume(struct device *dev)
1005 {
1006         struct qmp_usb *qmp = dev_get_drvdata(dev);
1007         const struct qmp_phy_cfg *cfg = qmp->cfg;
1008         int ret = 0;
1009
1010         dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode);
1011
1012         if (!qmp->phy->init_count) {
1013                 dev_vdbg(dev, "PHY not initialized, bailing out\n");
1014                 return 0;
1015         }
1016
1017         ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
1018         if (ret)
1019                 return ret;
1020
1021         ret = clk_prepare_enable(qmp->pipe_clk);
1022         if (ret) {
1023                 dev_err(dev, "pipe_clk enable failed, err=%d\n", ret);
1024                 clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
1025                 return ret;
1026         }
1027
1028         qmp_usb_legacy_disable_autonomous_mode(qmp);
1029
1030         return 0;
1031 }
1032
1033 static const struct dev_pm_ops qmp_usb_legacy_pm_ops = {
1034         SET_RUNTIME_PM_OPS(qmp_usb_legacy_runtime_suspend,
1035                            qmp_usb_legacy_runtime_resume, NULL)
1036 };
1037
1038 static int qmp_usb_legacy_vreg_init(struct qmp_usb *qmp)
1039 {
1040         const struct qmp_phy_cfg *cfg = qmp->cfg;
1041         struct device *dev = qmp->dev;
1042         int num = cfg->num_vregs;
1043         int i;
1044
1045         qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
1046         if (!qmp->vregs)
1047                 return -ENOMEM;
1048
1049         for (i = 0; i < num; i++)
1050                 qmp->vregs[i].supply = cfg->vreg_list[i];
1051
1052         return devm_regulator_bulk_get(dev, num, qmp->vregs);
1053 }
1054
1055 static int qmp_usb_legacy_reset_init(struct qmp_usb *qmp)
1056 {
1057         const struct qmp_phy_cfg *cfg = qmp->cfg;
1058         struct device *dev = qmp->dev;
1059         int i;
1060         int ret;
1061
1062         qmp->resets = devm_kcalloc(dev, cfg->num_resets,
1063                                    sizeof(*qmp->resets), GFP_KERNEL);
1064         if (!qmp->resets)
1065                 return -ENOMEM;
1066
1067         for (i = 0; i < cfg->num_resets; i++)
1068                 qmp->resets[i].id = cfg->reset_list[i];
1069
1070         ret = devm_reset_control_bulk_get_exclusive(dev, cfg->num_resets, qmp->resets);
1071         if (ret)
1072                 return dev_err_probe(dev, ret, "failed to get resets\n");
1073
1074         return 0;
1075 }
1076
1077 static int qmp_usb_legacy_clk_init(struct qmp_usb *qmp)
1078 {
1079         const struct qmp_phy_cfg *cfg = qmp->cfg;
1080         struct device *dev = qmp->dev;
1081         int num = cfg->num_clks;
1082         int i;
1083
1084         qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
1085         if (!qmp->clks)
1086                 return -ENOMEM;
1087
1088         for (i = 0; i < num; i++)
1089                 qmp->clks[i].id = cfg->clk_list[i];
1090
1091         return devm_clk_bulk_get(dev, num, qmp->clks);
1092 }
1093
1094 static void phy_clk_release_provider(void *res)
1095 {
1096         of_clk_del_provider(res);
1097 }
1098
1099 /*
1100  * Register a fixed rate pipe clock.
1101  *
1102  * The <s>_pipe_clksrc generated by PHY goes to the GCC that gate
1103  * controls it. The <s>_pipe_clk coming out of the GCC is requested
1104  * by the PHY driver for its operations.
1105  * We register the <s>_pipe_clksrc here. The gcc driver takes care
1106  * of assigning this <s>_pipe_clksrc as parent to <s>_pipe_clk.
1107  * Below picture shows this relationship.
1108  *
1109  *         +---------------+
1110  *         |   PHY block   |<<---------------------------------------+
1111  *         |               |                                         |
1112  *         |   +-------+   |                   +-----+               |
1113  *   I/P---^-->|  PLL  |---^--->pipe_clksrc--->| GCC |--->pipe_clk---+
1114  *    clk  |   +-------+   |                   +-----+
1115  *         +---------------+
1116  */
1117 static int phy_pipe_clk_register(struct qmp_usb *qmp, struct device_node *np)
1118 {
1119         struct clk_fixed_rate *fixed = &qmp->pipe_clk_fixed;
1120         struct clk_init_data init = { };
1121         int ret;
1122
1123         ret = of_property_read_string(np, "clock-output-names", &init.name);
1124         if (ret) {
1125                 dev_err(qmp->dev, "%pOFn: No clock-output-names\n", np);
1126                 return ret;
1127         }
1128
1129         init.ops = &clk_fixed_rate_ops;
1130
1131         /* controllers using QMP phys use 125MHz pipe clock interface */
1132         fixed->fixed_rate = 125000000;
1133         fixed->hw.init = &init;
1134
1135         ret = devm_clk_hw_register(qmp->dev, &fixed->hw);
1136         if (ret)
1137                 return ret;
1138
1139         ret = of_clk_add_hw_provider(np, of_clk_hw_simple_get, &fixed->hw);
1140         if (ret)
1141                 return ret;
1142
1143         /*
1144          * Roll a devm action because the clock provider is the child node, but
1145          * the child node is not actually a device.
1146          */
1147         return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np);
1148 }
1149
1150 static int qmp_usb_legacy_parse_dt_legacy(struct qmp_usb *qmp, struct device_node *np)
1151 {
1152         struct platform_device *pdev = to_platform_device(qmp->dev);
1153         const struct qmp_phy_cfg *cfg = qmp->cfg;
1154         struct device *dev = qmp->dev;
1155
1156         qmp->serdes = devm_platform_ioremap_resource(pdev, 0);
1157         if (IS_ERR(qmp->serdes))
1158                 return PTR_ERR(qmp->serdes);
1159
1160         qmp->dp_com = devm_platform_ioremap_resource(pdev, 1);
1161         if (IS_ERR(qmp->dp_com))
1162                 return PTR_ERR(qmp->dp_com);
1163
1164         /*
1165          * Get memory resources for the PHY:
1166          * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
1167          * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5
1168          * For single lane PHYs: pcs_misc (optional) -> 3.
1169          */
1170         qmp->tx = devm_of_iomap(dev, np, 0, NULL);
1171         if (IS_ERR(qmp->tx))
1172                 return PTR_ERR(qmp->tx);
1173
1174         qmp->rx = devm_of_iomap(dev, np, 1, NULL);
1175         if (IS_ERR(qmp->rx))
1176                 return PTR_ERR(qmp->rx);
1177
1178         qmp->pcs = devm_of_iomap(dev, np, 2, NULL);
1179         if (IS_ERR(qmp->pcs))
1180                 return PTR_ERR(qmp->pcs);
1181
1182         if (cfg->pcs_usb_offset)
1183                 qmp->pcs_usb = qmp->pcs + cfg->pcs_usb_offset;
1184
1185         qmp->tx2 = devm_of_iomap(dev, np, 3, NULL);
1186         if (IS_ERR(qmp->tx2))
1187                 return PTR_ERR(qmp->tx2);
1188
1189         qmp->rx2 = devm_of_iomap(dev, np, 4, NULL);
1190         if (IS_ERR(qmp->rx2))
1191                 return PTR_ERR(qmp->rx2);
1192
1193         qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL);
1194         if (IS_ERR(qmp->pcs_misc)) {
1195                 dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
1196                 qmp->pcs_misc = NULL;
1197         }
1198
1199         qmp->pipe_clk = devm_get_clk_from_child(dev, np, NULL);
1200         if (IS_ERR(qmp->pipe_clk)) {
1201                 return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),
1202                                      "failed to get pipe clock\n");
1203         }
1204
1205         return 0;
1206 }
1207
1208 static int qmp_usb_legacy_parse_dt(struct qmp_usb *qmp)
1209 {
1210         struct platform_device *pdev = to_platform_device(qmp->dev);
1211         const struct qmp_phy_cfg *cfg = qmp->cfg;
1212         const struct qmp_usb_legacy_offsets *offs = cfg->offsets;
1213         struct device *dev = qmp->dev;
1214         void __iomem *base;
1215
1216         if (!offs)
1217                 return -EINVAL;
1218
1219         base = devm_platform_ioremap_resource(pdev, 0);
1220         if (IS_ERR(base))
1221                 return PTR_ERR(base);
1222
1223         qmp->serdes = base + offs->serdes;
1224         qmp->pcs = base + offs->pcs;
1225         qmp->pcs_usb = base + offs->pcs_usb;
1226         qmp->tx = base + offs->tx;
1227         qmp->rx = base + offs->rx;
1228
1229         qmp->pipe_clk = devm_clk_get(dev, "pipe");
1230         if (IS_ERR(qmp->pipe_clk)) {
1231                 return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),
1232                                      "failed to get pipe clock\n");
1233         }
1234
1235         return 0;
1236 }
1237
1238 static int qmp_usb_legacy_probe(struct platform_device *pdev)
1239 {
1240         struct device *dev = &pdev->dev;
1241         struct phy_provider *phy_provider;
1242         struct device_node *np;
1243         struct qmp_usb *qmp;
1244         int ret;
1245
1246         qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL);
1247         if (!qmp)
1248                 return -ENOMEM;
1249
1250         qmp->dev = dev;
1251
1252         qmp->cfg = of_device_get_match_data(dev);
1253         if (!qmp->cfg)
1254                 return -EINVAL;
1255
1256         ret = qmp_usb_legacy_clk_init(qmp);
1257         if (ret)
1258                 return ret;
1259
1260         ret = qmp_usb_legacy_reset_init(qmp);
1261         if (ret)
1262                 return ret;
1263
1264         ret = qmp_usb_legacy_vreg_init(qmp);
1265         if (ret)
1266                 return ret;
1267
1268         /* Check for legacy binding with child node. */
1269         np = of_get_next_available_child(dev->of_node, NULL);
1270         if (np) {
1271                 ret = qmp_usb_legacy_parse_dt_legacy(qmp, np);
1272         } else {
1273                 np = of_node_get(dev->of_node);
1274                 ret = qmp_usb_legacy_parse_dt(qmp);
1275         }
1276         if (ret)
1277                 goto err_node_put;
1278
1279         pm_runtime_set_active(dev);
1280         ret = devm_pm_runtime_enable(dev);
1281         if (ret)
1282                 goto err_node_put;
1283         /*
1284          * Prevent runtime pm from being ON by default. Users can enable
1285          * it using power/control in sysfs.
1286          */
1287         pm_runtime_forbid(dev);
1288
1289         ret = phy_pipe_clk_register(qmp, np);
1290         if (ret)
1291                 goto err_node_put;
1292
1293         qmp->phy = devm_phy_create(dev, np, &qmp_usb_legacy_phy_ops);
1294         if (IS_ERR(qmp->phy)) {
1295                 ret = PTR_ERR(qmp->phy);
1296                 dev_err(dev, "failed to create PHY: %d\n", ret);
1297                 goto err_node_put;
1298         }
1299
1300         phy_set_drvdata(qmp->phy, qmp);
1301
1302         of_node_put(np);
1303
1304         phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
1305
1306         return PTR_ERR_OR_ZERO(phy_provider);
1307
1308 err_node_put:
1309         of_node_put(np);
1310         return ret;
1311 }
1312
1313 static const struct of_device_id qmp_usb_legacy_of_match_table[] = {
1314         {
1315                 .compatible = "qcom,sc7180-qmp-usb3-phy",
1316                 .data = &sc7180_usb3phy_cfg,
1317         }, {
1318                 .compatible = "qcom,sc8180x-qmp-usb3-phy",
1319                 .data = &sm8150_usb3phy_cfg,
1320         }, {
1321                 .compatible = "qcom,sdm845-qmp-usb3-phy",
1322                 .data = &qmp_v3_usb3phy_cfg,
1323         }, {
1324                 .compatible = "qcom,sm8150-qmp-usb3-phy",
1325                 .data = &sm8150_usb3phy_cfg,
1326         }, {
1327                 .compatible = "qcom,sm8250-qmp-usb3-phy",
1328                 .data = &sm8250_usb3phy_cfg,
1329         }, {
1330                 .compatible = "qcom,sm8350-qmp-usb3-phy",
1331                 .data = &sm8350_usb3phy_cfg,
1332         }, {
1333                 .compatible = "qcom,sm8450-qmp-usb3-phy",
1334                 .data = &sm8350_usb3phy_cfg,
1335         },
1336         { },
1337 };
1338 MODULE_DEVICE_TABLE(of, qmp_usb_legacy_of_match_table);
1339
1340 static struct platform_driver qmp_usb_legacy_driver = {
1341         .probe          = qmp_usb_legacy_probe,
1342         .driver = {
1343                 .name   = "qcom-qmp-usb-legacy-phy",
1344                 .pm     = &qmp_usb_legacy_pm_ops,
1345                 .of_match_table = qmp_usb_legacy_of_match_table,
1346         },
1347 };
1348
1349 module_platform_driver(qmp_usb_legacy_driver);
1350
1351 MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
1352 MODULE_DESCRIPTION("Qualcomm QMP legacy USB+DP PHY driver");
1353 MODULE_LICENSE("GPL v2");