Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| 4 | */ |
| 5 | |
| 6 | #include <linux/clk.h> |
| 7 | #include <linux/clk-provider.h> |
| 8 | #include <linux/delay.h> |
| 9 | #include <linux/err.h> |
| 10 | #include <linux/io.h> |
| 11 | #include <linux/iopoll.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/of.h> |
| 15 | #include <linux/of_device.h> |
| 16 | #include <linux/of_address.h> |
| 17 | #include <linux/phy/phy.h> |
| 18 | #include <linux/platform_device.h> |
| 19 | #include <linux/regulator/consumer.h> |
| 20 | #include <linux/reset.h> |
| 21 | #include <linux/slab.h> |
| 22 | |
| 23 | #include <dt-bindings/phy/phy.h> |
| 24 | |
| 25 | #include "phy-qcom-qmp.h" |
| 26 | |
| 27 | /* QPHY_SW_RESET bit */ |
| 28 | #define SW_RESET BIT(0) |
| 29 | /* QPHY_POWER_DOWN_CONTROL */ |
| 30 | #define SW_PWRDN BIT(0) |
| 31 | #define REFCLK_DRV_DSBL BIT(1) |
| 32 | /* QPHY_START_CONTROL bits */ |
| 33 | #define SERDES_START BIT(0) |
| 34 | #define PCS_START BIT(1) |
| 35 | #define PLL_READY_GATE_EN BIT(3) |
| 36 | /* QPHY_PCS_STATUS bit */ |
| 37 | #define PHYSTATUS BIT(6) |
| 38 | /* QPHY_COM_PCS_READY_STATUS bit */ |
| 39 | #define PCS_READY BIT(0) |
| 40 | |
| 41 | /* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */ |
| 42 | /* DP PHY soft reset */ |
| 43 | #define SW_DPPHY_RESET BIT(0) |
| 44 | /* mux to select DP PHY reset control, 0:HW control, 1: software reset */ |
| 45 | #define SW_DPPHY_RESET_MUX BIT(1) |
| 46 | /* USB3 PHY soft reset */ |
| 47 | #define SW_USB3PHY_RESET BIT(2) |
| 48 | /* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */ |
| 49 | #define SW_USB3PHY_RESET_MUX BIT(3) |
| 50 | |
| 51 | /* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */ |
| 52 | #define USB3_MODE BIT(0) /* enables USB3 mode */ |
| 53 | #define DP_MODE BIT(1) /* enables DP mode */ |
| 54 | |
| 55 | /* QPHY_PCS_AUTONOMOUS_MODE_CTRL register bits */ |
| 56 | #define ARCVR_DTCT_EN BIT(0) |
| 57 | #define ALFPS_DTCT_EN BIT(1) |
| 58 | #define ARCVR_DTCT_EVENT_SEL BIT(4) |
| 59 | |
| 60 | /* QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR register bits */ |
| 61 | #define IRQ_CLEAR BIT(0) |
| 62 | |
| 63 | /* QPHY_PCS_LFPS_RXTERM_IRQ_STATUS register bits */ |
| 64 | #define RCVR_DETECT BIT(0) |
| 65 | |
| 66 | /* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */ |
| 67 | #define CLAMP_EN BIT(0) /* enables i/o clamp_n */ |
| 68 | |
| 69 | #define PHY_INIT_COMPLETE_TIMEOUT 1000 |
| 70 | #define POWER_DOWN_DELAY_US_MIN 10 |
| 71 | #define POWER_DOWN_DELAY_US_MAX 11 |
| 72 | |
| 73 | #define MAX_PROP_NAME 32 |
| 74 | |
| 75 | struct qmp_phy_init_tbl { |
| 76 | unsigned int offset; |
| 77 | unsigned int val; |
| 78 | /* |
| 79 | * register part of layout ? |
| 80 | * if yes, then offset gives index in the reg-layout |
| 81 | */ |
| 82 | int in_layout; |
| 83 | }; |
| 84 | |
| 85 | #define QMP_PHY_INIT_CFG(o, v) \ |
| 86 | { \ |
| 87 | .offset = o, \ |
| 88 | .val = v, \ |
| 89 | } |
| 90 | |
| 91 | #define QMP_PHY_INIT_CFG_L(o, v) \ |
| 92 | { \ |
| 93 | .offset = o, \ |
| 94 | .val = v, \ |
| 95 | .in_layout = 1, \ |
| 96 | } |
| 97 | |
| 98 | /* set of registers with offsets different per-PHY */ |
| 99 | enum qphy_reg_layout { |
| 100 | /* Common block control registers */ |
| 101 | QPHY_COM_SW_RESET, |
| 102 | QPHY_COM_POWER_DOWN_CONTROL, |
| 103 | QPHY_COM_START_CONTROL, |
| 104 | QPHY_COM_PCS_READY_STATUS, |
| 105 | /* PCS registers */ |
| 106 | QPHY_PLL_LOCK_CHK_DLY_TIME, |
| 107 | QPHY_FLL_CNTRL1, |
| 108 | QPHY_FLL_CNTRL2, |
| 109 | QPHY_FLL_CNT_VAL_L, |
| 110 | QPHY_FLL_CNT_VAL_H_TOL, |
| 111 | QPHY_FLL_MAN_CODE, |
| 112 | QPHY_SW_RESET, |
| 113 | QPHY_START_CTRL, |
| 114 | QPHY_PCS_READY_STATUS, |
| 115 | QPHY_PCS_AUTONOMOUS_MODE_CTRL, |
| 116 | QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR, |
| 117 | QPHY_PCS_LFPS_RXTERM_IRQ_STATUS, |
| 118 | }; |
| 119 | |
| 120 | static const unsigned int pciephy_regs_layout[] = { |
| 121 | [QPHY_COM_SW_RESET] = 0x400, |
| 122 | [QPHY_COM_POWER_DOWN_CONTROL] = 0x404, |
| 123 | [QPHY_COM_START_CONTROL] = 0x408, |
| 124 | [QPHY_COM_PCS_READY_STATUS] = 0x448, |
| 125 | [QPHY_PLL_LOCK_CHK_DLY_TIME] = 0xa8, |
| 126 | [QPHY_FLL_CNTRL1] = 0xc4, |
| 127 | [QPHY_FLL_CNTRL2] = 0xc8, |
| 128 | [QPHY_FLL_CNT_VAL_L] = 0xcc, |
| 129 | [QPHY_FLL_CNT_VAL_H_TOL] = 0xd0, |
| 130 | [QPHY_FLL_MAN_CODE] = 0xd4, |
| 131 | [QPHY_SW_RESET] = 0x00, |
| 132 | [QPHY_START_CTRL] = 0x08, |
| 133 | [QPHY_PCS_READY_STATUS] = 0x174, |
| 134 | }; |
| 135 | |
| 136 | static const unsigned int usb3phy_regs_layout[] = { |
| 137 | [QPHY_FLL_CNTRL1] = 0xc0, |
| 138 | [QPHY_FLL_CNTRL2] = 0xc4, |
| 139 | [QPHY_FLL_CNT_VAL_L] = 0xc8, |
| 140 | [QPHY_FLL_CNT_VAL_H_TOL] = 0xcc, |
| 141 | [QPHY_FLL_MAN_CODE] = 0xd0, |
| 142 | [QPHY_SW_RESET] = 0x00, |
| 143 | [QPHY_START_CTRL] = 0x08, |
| 144 | [QPHY_PCS_READY_STATUS] = 0x17c, |
| 145 | [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d4, |
| 146 | [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0d8, |
| 147 | [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x178, |
| 148 | }; |
| 149 | |
| 150 | static const unsigned int qmp_v3_usb3phy_regs_layout[] = { |
| 151 | [QPHY_SW_RESET] = 0x00, |
| 152 | [QPHY_START_CTRL] = 0x08, |
| 153 | [QPHY_PCS_READY_STATUS] = 0x174, |
| 154 | [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d8, |
| 155 | [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0dc, |
| 156 | [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170, |
| 157 | }; |
| 158 | |
| 159 | static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = { |
| 160 | QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c), |
| 161 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10), |
| 162 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33), |
| 163 | QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06), |
| 164 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x42), |
| 165 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00), |
| 166 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff), |
| 167 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x1f), |
| 168 | QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x01), |
| 169 | QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01), |
| 170 | QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00), |
| 171 | QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x0a), |
| 172 | QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x09), |
| 173 | QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), |
| 174 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03), |
| 175 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55), |
| 176 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55), |
| 177 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), |
| 178 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x1a), |
| 179 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x0a), |
| 180 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33), |
| 181 | QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x02), |
| 182 | QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x1f), |
| 183 | QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x04), |
| 184 | QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b), |
| 185 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16), |
| 186 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28), |
| 187 | QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00), |
| 188 | QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), |
| 189 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01), |
| 190 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31), |
| 191 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01), |
| 192 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x02), |
| 193 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00), |
| 194 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f), |
| 195 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19), |
| 196 | QMP_PHY_INIT_CFG(QSERDES_COM_RESCODE_DIV_NUM, 0x15), |
| 197 | QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f), |
| 198 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f), |
| 199 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19), |
| 200 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10), |
| 201 | QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00), |
| 202 | QMP_PHY_INIT_CFG(QSERDES_COM_RESCODE_DIV_NUM, 0x40), |
| 203 | }; |
| 204 | |
| 205 | static const struct qmp_phy_init_tbl msm8996_pcie_tx_tbl[] = { |
| 206 | QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), |
| 207 | QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06), |
| 208 | }; |
| 209 | |
| 210 | static const struct qmp_phy_init_tbl msm8996_pcie_rx_tbl[] = { |
| 211 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x1c), |
| 212 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x01), |
| 213 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x00), |
| 214 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb), |
| 215 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_BAND, 0x18), |
| 216 | QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x04), |
| 217 | QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x04), |
| 218 | QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), |
| 219 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x14), |
| 220 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x19), |
| 221 | }; |
| 222 | |
| 223 | static const struct qmp_phy_init_tbl msm8996_pcie_pcs_tbl[] = { |
| 224 | QMP_PHY_INIT_CFG(QPHY_RX_IDLE_DTCT_CNTRL, 0x4c), |
| 225 | QMP_PHY_INIT_CFG(QPHY_PWRUP_RESET_DLY_TIME_AUXCLK, 0x00), |
| 226 | QMP_PHY_INIT_CFG(QPHY_LP_WAKEUP_DLY_TIME_AUXCLK, 0x01), |
| 227 | |
| 228 | QMP_PHY_INIT_CFG_L(QPHY_PLL_LOCK_CHK_DLY_TIME, 0x05), |
| 229 | |
| 230 | QMP_PHY_INIT_CFG(QPHY_ENDPOINT_REFCLK_DRIVE, 0x05), |
| 231 | QMP_PHY_INIT_CFG(QPHY_POWER_DOWN_CONTROL, 0x02), |
| 232 | QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG4, 0x00), |
| 233 | QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG1, 0xa3), |
| 234 | QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M3P5DB_V0, 0x0e), |
| 235 | }; |
| 236 | |
| 237 | static const struct qmp_phy_init_tbl msm8996_usb3_serdes_tbl[] = { |
| 238 | QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x14), |
| 239 | QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08), |
| 240 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30), |
| 241 | QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06), |
| 242 | QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01), |
| 243 | QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00), |
| 244 | QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f), |
| 245 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f), |
| 246 | QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x04), |
| 247 | /* PLL and Loop filter settings */ |
| 248 | QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), |
| 249 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55), |
| 250 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55), |
| 251 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03), |
| 252 | QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b), |
| 253 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16), |
| 254 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28), |
| 255 | QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), |
| 256 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x00), |
| 257 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x15), |
| 258 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x34), |
| 259 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), |
| 260 | QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00), |
| 261 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00), |
| 262 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00), |
| 263 | QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a), |
| 264 | /* SSC settings */ |
| 265 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01), |
| 266 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31), |
| 267 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01), |
| 268 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x00), |
| 269 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00), |
| 270 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0xde), |
| 271 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x07), |
| 272 | }; |
| 273 | |
| 274 | static const struct qmp_phy_init_tbl msm8996_usb3_tx_tbl[] = { |
| 275 | QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), |
| 276 | QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12), |
| 277 | QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06), |
| 278 | }; |
| 279 | |
| 280 | static const struct qmp_phy_init_tbl msm8996_usb3_rx_tbl[] = { |
| 281 | QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), |
| 282 | QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x04), |
| 283 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02), |
| 284 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4c), |
| 285 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xbb), |
| 286 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77), |
| 287 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80), |
| 288 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x03), |
| 289 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x18), |
| 290 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x16), |
| 291 | }; |
| 292 | |
| 293 | static const struct qmp_phy_init_tbl msm8996_usb3_pcs_tbl[] = { |
| 294 | /* FLL settings */ |
| 295 | QMP_PHY_INIT_CFG_L(QPHY_FLL_CNTRL2, 0x03), |
| 296 | QMP_PHY_INIT_CFG_L(QPHY_FLL_CNTRL1, 0x02), |
| 297 | QMP_PHY_INIT_CFG_L(QPHY_FLL_CNT_VAL_L, 0x09), |
| 298 | QMP_PHY_INIT_CFG_L(QPHY_FLL_CNT_VAL_H_TOL, 0x42), |
| 299 | QMP_PHY_INIT_CFG_L(QPHY_FLL_MAN_CODE, 0x85), |
| 300 | |
| 301 | /* Lock Det settings */ |
| 302 | QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG1, 0xd1), |
| 303 | QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG2, 0x1f), |
| 304 | QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG3, 0x47), |
| 305 | QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG2, 0x08), |
| 306 | }; |
| 307 | |
| 308 | static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { |
| 309 | QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x18), |
| 310 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10), |
| 311 | QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0xf), |
| 312 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x1), |
| 313 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x0), |
| 314 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0x1f), |
| 315 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f), |
| 316 | QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x6), |
| 317 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0xf), |
| 318 | QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x0), |
| 319 | QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x1), |
| 320 | QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x20), |
| 321 | QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0xa), |
| 322 | QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL, 0x20), |
| 323 | QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0xa), |
| 324 | QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0xa), |
| 325 | QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), |
| 326 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x3), |
| 327 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55), |
| 328 | QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55), |
| 329 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x0), |
| 330 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0xD), |
| 331 | QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xD04), |
| 332 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33), |
| 333 | QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x2), |
| 334 | QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x1f), |
| 335 | QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0xb), |
| 336 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16), |
| 337 | QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28), |
| 338 | QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x0), |
| 339 | QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), |
| 340 | QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CTRL_BY_PSM, 0x1), |
| 341 | QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0xa), |
| 342 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x1), |
| 343 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31), |
| 344 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x1), |
| 345 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x2), |
| 346 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x0), |
| 347 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f), |
| 348 | QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19), |
| 349 | QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19), |
| 350 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x7), |
| 351 | }; |
| 352 | |
| 353 | static const struct qmp_phy_init_tbl ipq8074_pcie_tx_tbl[] = { |
| 354 | QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), |
| 355 | QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x6), |
| 356 | QMP_PHY_INIT_CFG(QSERDES_TX_RES_CODE_LANE_OFFSET, 0x2), |
| 357 | QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12), |
| 358 | }; |
| 359 | |
| 360 | static const struct qmp_phy_init_tbl ipq8074_pcie_rx_tbl[] = { |
| 361 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x1c), |
| 362 | QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x14), |
| 363 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x1), |
| 364 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x0), |
| 365 | QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb), |
| 366 | QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), |
| 367 | QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x4), |
| 368 | QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x4), |
| 369 | }; |
| 370 | |
| 371 | static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = { |
| 372 | QMP_PHY_INIT_CFG(QPHY_ENDPOINT_REFCLK_DRIVE, 0x4), |
| 373 | QMP_PHY_INIT_CFG(QPHY_OSC_DTCT_ACTIONS, 0x0), |
| 374 | QMP_PHY_INIT_CFG(QPHY_PWRUP_RESET_DLY_TIME_AUXCLK, 0x40), |
| 375 | QMP_PHY_INIT_CFG(QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB, 0x0), |
| 376 | QMP_PHY_INIT_CFG(QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB, 0x40), |
| 377 | QMP_PHY_INIT_CFG(QPHY_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB, 0x0), |
| 378 | QMP_PHY_INIT_CFG(QPHY_LP_WAKEUP_DLY_TIME_AUXCLK, 0x40), |
| 379 | QMP_PHY_INIT_CFG_L(QPHY_PLL_LOCK_CHK_DLY_TIME, 0x73), |
| 380 | QMP_PHY_INIT_CFG(QPHY_RX_SIGDET_LVL, 0x99), |
| 381 | QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M6DB_V0, 0x15), |
| 382 | QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M3P5DB_V0, 0xe), |
| 383 | QMP_PHY_INIT_CFG_L(QPHY_SW_RESET, 0x0), |
| 384 | QMP_PHY_INIT_CFG_L(QPHY_START_CTRL, 0x3), |
| 385 | }; |
| 386 | |
| 387 | static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = { |
| 388 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07), |
| 389 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14), |
| 390 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x08), |
| 391 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30), |
| 392 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02), |
| 393 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08), |
| 394 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x16), |
| 395 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01), |
| 396 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80), |
| 397 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82), |
| 398 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab), |
| 399 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea), |
| 400 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02), |
| 401 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06), |
| 402 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16), |
| 403 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36), |
| 404 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00), |
| 405 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f), |
| 406 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01), |
| 407 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9), |
| 408 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a), |
| 409 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00), |
| 410 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34), |
| 411 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15), |
| 412 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04), |
| 413 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00), |
| 414 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00), |
| 415 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00), |
| 416 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a), |
| 417 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01), |
| 418 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31), |
| 419 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01), |
| 420 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00), |
| 421 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00), |
| 422 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85), |
| 423 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07), |
| 424 | }; |
| 425 | |
| 426 | static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = { |
| 427 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10), |
| 428 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12), |
| 429 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x16), |
| 430 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x09), |
| 431 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06), |
| 432 | }; |
| 433 | |
| 434 | static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = { |
| 435 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), |
| 436 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f), |
| 437 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e), |
| 438 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18), |
| 439 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77), |
| 440 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80), |
| 441 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03), |
| 442 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16), |
| 443 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75), |
| 444 | }; |
| 445 | |
| 446 | static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = { |
| 447 | /* FLL settings */ |
| 448 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83), |
| 449 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09), |
| 450 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2), |
| 451 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40), |
| 452 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02), |
| 453 | |
| 454 | /* Lock Det settings */ |
| 455 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1), |
| 456 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f), |
| 457 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47), |
| 458 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b), |
| 459 | |
| 460 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0xba), |
| 461 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f), |
| 462 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f), |
| 463 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb7), |
| 464 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4e), |
| 465 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x65), |
| 466 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6b), |
| 467 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15), |
| 468 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d), |
| 469 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15), |
| 470 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d), |
| 471 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15), |
| 472 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d), |
| 473 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15), |
| 474 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x1d), |
| 475 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15), |
| 476 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d), |
| 477 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15), |
| 478 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d), |
| 479 | |
| 480 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02), |
| 481 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04), |
| 482 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44), |
| 483 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04), |
| 484 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7), |
| 485 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03), |
| 486 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40), |
| 487 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00), |
| 488 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75), |
| 489 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86), |
| 490 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13), |
| 491 | }; |
| 492 | |
| 493 | static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_serdes_tbl[] = { |
| 494 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07), |
| 495 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14), |
| 496 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x04), |
| 497 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30), |
| 498 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02), |
| 499 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08), |
| 500 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06), |
| 501 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01), |
| 502 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80), |
| 503 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82), |
| 504 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab), |
| 505 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea), |
| 506 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02), |
| 507 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06), |
| 508 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16), |
| 509 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36), |
| 510 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00), |
| 511 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f), |
| 512 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01), |
| 513 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9), |
| 514 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a), |
| 515 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00), |
| 516 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34), |
| 517 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15), |
| 518 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04), |
| 519 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00), |
| 520 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00), |
| 521 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00), |
| 522 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a), |
| 523 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01), |
| 524 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31), |
| 525 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01), |
| 526 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00), |
| 527 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00), |
| 528 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85), |
| 529 | QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07), |
| 530 | }; |
| 531 | |
| 532 | static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_tx_tbl[] = { |
| 533 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10), |
| 534 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12), |
| 535 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0xc6), |
| 536 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x06), |
| 537 | QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06), |
| 538 | }; |
| 539 | |
| 540 | static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_rx_tbl[] = { |
| 541 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_VGA_CAL_CNTRL2, 0x0c), |
| 542 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x50), |
| 543 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), |
| 544 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0e), |
| 545 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e), |
| 546 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18), |
| 547 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77), |
| 548 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80), |
| 549 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03), |
| 550 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1c), |
| 551 | QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75), |
| 552 | }; |
| 553 | |
| 554 | static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_pcs_tbl[] = { |
| 555 | /* FLL settings */ |
| 556 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83), |
| 557 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09), |
| 558 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2), |
| 559 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40), |
| 560 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02), |
| 561 | |
| 562 | /* Lock Det settings */ |
| 563 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1), |
| 564 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f), |
| 565 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47), |
| 566 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b), |
| 567 | |
| 568 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0xba), |
| 569 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f), |
| 570 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f), |
| 571 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb5), |
| 572 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4c), |
| 573 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x64), |
| 574 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6a), |
| 575 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15), |
| 576 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d), |
| 577 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15), |
| 578 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d), |
| 579 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15), |
| 580 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d), |
| 581 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15), |
| 582 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x1d), |
| 583 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15), |
| 584 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d), |
| 585 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15), |
| 586 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d), |
| 587 | |
| 588 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02), |
| 589 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04), |
| 590 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44), |
| 591 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04), |
| 592 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7), |
| 593 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03), |
| 594 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40), |
| 595 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00), |
| 596 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75), |
| 597 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86), |
| 598 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13), |
| 599 | |
| 600 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_REFGEN_REQ_CONFIG1, 0x21), |
| 601 | QMP_PHY_INIT_CFG(QPHY_V3_PCS_REFGEN_REQ_CONFIG2, 0x60), |
| 602 | }; |
| 603 | |
| 604 | |
| 605 | /* struct qmp_phy_cfg - per-PHY initialization config */ |
| 606 | struct qmp_phy_cfg { |
| 607 | /* phy-type - PCIE/UFS/USB */ |
| 608 | unsigned int type; |
| 609 | /* number of lanes provided by phy */ |
| 610 | int nlanes; |
| 611 | |
| 612 | /* Init sequence for PHY blocks - serdes, tx, rx, pcs */ |
| 613 | const struct qmp_phy_init_tbl *serdes_tbl; |
| 614 | int serdes_tbl_num; |
| 615 | const struct qmp_phy_init_tbl *tx_tbl; |
| 616 | int tx_tbl_num; |
| 617 | const struct qmp_phy_init_tbl *rx_tbl; |
| 618 | int rx_tbl_num; |
| 619 | const struct qmp_phy_init_tbl *pcs_tbl; |
| 620 | int pcs_tbl_num; |
| 621 | |
| 622 | /* clock ids to be requested */ |
| 623 | const char * const *clk_list; |
| 624 | int num_clks; |
| 625 | /* resets to be requested */ |
| 626 | const char * const *reset_list; |
| 627 | int num_resets; |
| 628 | /* regulators to be requested */ |
| 629 | const char * const *vreg_list; |
| 630 | int num_vregs; |
| 631 | |
| 632 | /* array of registers with different offsets */ |
| 633 | const unsigned int *regs; |
| 634 | |
| 635 | unsigned int start_ctrl; |
| 636 | unsigned int pwrdn_ctrl; |
| 637 | unsigned int mask_pcs_ready; |
| 638 | unsigned int mask_com_pcs_ready; |
| 639 | |
| 640 | /* true, if PHY has a separate PHY_COM control block */ |
| 641 | bool has_phy_com_ctrl; |
| 642 | /* true, if PHY has a reset for individual lanes */ |
| 643 | bool has_lane_rst; |
| 644 | /* true, if PHY needs delay after POWER_DOWN */ |
| 645 | bool has_pwrdn_delay; |
| 646 | /* power_down delay in usec */ |
| 647 | int pwrdn_delay_min; |
| 648 | int pwrdn_delay_max; |
| 649 | |
| 650 | /* true, if PHY has a separate DP_COM control block */ |
| 651 | bool has_phy_dp_com_ctrl; |
| 652 | /* Register offset of secondary tx/rx lanes for USB DP combo PHY */ |
| 653 | unsigned int tx_b_lane_offset; |
| 654 | unsigned int rx_b_lane_offset; |
| 655 | }; |
| 656 | |
| 657 | /** |
| 658 | * struct qmp_phy - per-lane phy descriptor |
| 659 | * |
| 660 | * @phy: generic phy |
| 661 | * @tx: iomapped memory space for lane's tx |
| 662 | * @rx: iomapped memory space for lane's rx |
| 663 | * @pcs: iomapped memory space for lane's pcs |
| 664 | * @pcs_misc: iomapped memory space for lane's pcs_misc |
| 665 | * @pipe_clk: pipe lock |
| 666 | * @index: lane index |
| 667 | * @qmp: QMP phy to which this lane belongs |
| 668 | * @lane_rst: lane's reset controller |
| 669 | */ |
| 670 | struct qmp_phy { |
| 671 | struct phy *phy; |
| 672 | void __iomem *tx; |
| 673 | void __iomem *rx; |
| 674 | void __iomem *pcs; |
| 675 | void __iomem *pcs_misc; |
| 676 | struct clk *pipe_clk; |
| 677 | unsigned int index; |
| 678 | struct qcom_qmp *qmp; |
| 679 | struct reset_control *lane_rst; |
| 680 | }; |
| 681 | |
| 682 | /** |
| 683 | * struct qcom_qmp - structure holding QMP phy block attributes |
| 684 | * |
| 685 | * @dev: device |
| 686 | * @serdes: iomapped memory space for phy's serdes |
| 687 | * @dp_com: iomapped memory space for phy's dp_com control block |
| 688 | * |
| 689 | * @clks: array of clocks required by phy |
| 690 | * @resets: array of resets required by phy |
| 691 | * @vregs: regulator supplies bulk data |
| 692 | * |
| 693 | * @cfg: phy specific configuration |
| 694 | * @phys: array of per-lane phy descriptors |
| 695 | * @phy_mutex: mutex lock for PHY common block initialization |
| 696 | * @init_count: phy common block initialization count |
| 697 | * @phy_initialized: indicate if PHY has been initialized |
| 698 | * @mode: current PHY mode |
| 699 | */ |
| 700 | struct qcom_qmp { |
| 701 | struct device *dev; |
| 702 | void __iomem *serdes; |
| 703 | void __iomem *dp_com; |
| 704 | |
| 705 | struct clk_bulk_data *clks; |
| 706 | struct reset_control **resets; |
| 707 | struct regulator_bulk_data *vregs; |
| 708 | |
| 709 | const struct qmp_phy_cfg *cfg; |
| 710 | struct qmp_phy **phys; |
| 711 | |
| 712 | struct mutex phy_mutex; |
| 713 | int init_count; |
| 714 | bool phy_initialized; |
| 715 | enum phy_mode mode; |
| 716 | }; |
| 717 | |
| 718 | static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) |
| 719 | { |
| 720 | u32 reg; |
| 721 | |
| 722 | reg = readl(base + offset); |
| 723 | reg |= val; |
| 724 | writel(reg, base + offset); |
| 725 | |
| 726 | /* ensure that above write is through */ |
| 727 | readl(base + offset); |
| 728 | } |
| 729 | |
| 730 | static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val) |
| 731 | { |
| 732 | u32 reg; |
| 733 | |
| 734 | reg = readl(base + offset); |
| 735 | reg &= ~val; |
| 736 | writel(reg, base + offset); |
| 737 | |
| 738 | /* ensure that above write is through */ |
| 739 | readl(base + offset); |
| 740 | } |
| 741 | |
| 742 | /* list of clocks required by phy */ |
| 743 | static const char * const msm8996_phy_clk_l[] = { |
| 744 | "aux", "cfg_ahb", "ref", |
| 745 | }; |
| 746 | |
| 747 | static const char * const qmp_v3_phy_clk_l[] = { |
| 748 | "aux", "cfg_ahb", "ref", "com_aux", |
| 749 | }; |
| 750 | |
| 751 | /* list of resets */ |
| 752 | static const char * const msm8996_pciephy_reset_l[] = { |
| 753 | "phy", "common", "cfg", |
| 754 | }; |
| 755 | |
| 756 | static const char * const msm8996_usb3phy_reset_l[] = { |
| 757 | "phy", "common", |
| 758 | }; |
| 759 | |
| 760 | /* list of regulators */ |
| 761 | static const char * const msm8996_phy_vreg_l[] = { |
| 762 | "vdda-phy", "vdda-pll", |
| 763 | }; |
| 764 | |
| 765 | static const struct qmp_phy_cfg msm8996_pciephy_cfg = { |
| 766 | .type = PHY_TYPE_PCIE, |
| 767 | .nlanes = 3, |
| 768 | |
| 769 | .serdes_tbl = msm8996_pcie_serdes_tbl, |
| 770 | .serdes_tbl_num = ARRAY_SIZE(msm8996_pcie_serdes_tbl), |
| 771 | .tx_tbl = msm8996_pcie_tx_tbl, |
| 772 | .tx_tbl_num = ARRAY_SIZE(msm8996_pcie_tx_tbl), |
| 773 | .rx_tbl = msm8996_pcie_rx_tbl, |
| 774 | .rx_tbl_num = ARRAY_SIZE(msm8996_pcie_rx_tbl), |
| 775 | .pcs_tbl = msm8996_pcie_pcs_tbl, |
| 776 | .pcs_tbl_num = ARRAY_SIZE(msm8996_pcie_pcs_tbl), |
| 777 | .clk_list = msm8996_phy_clk_l, |
| 778 | .num_clks = ARRAY_SIZE(msm8996_phy_clk_l), |
| 779 | .reset_list = msm8996_pciephy_reset_l, |
| 780 | .num_resets = ARRAY_SIZE(msm8996_pciephy_reset_l), |
| 781 | .vreg_list = msm8996_phy_vreg_l, |
| 782 | .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l), |
| 783 | .regs = pciephy_regs_layout, |
| 784 | |
| 785 | .start_ctrl = PCS_START | PLL_READY_GATE_EN, |
| 786 | .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, |
| 787 | .mask_com_pcs_ready = PCS_READY, |
| 788 | |
| 789 | .has_phy_com_ctrl = true, |
| 790 | .has_lane_rst = true, |
| 791 | .has_pwrdn_delay = true, |
| 792 | .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, |
| 793 | .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX, |
| 794 | }; |
| 795 | |
| 796 | static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { |
| 797 | .type = PHY_TYPE_USB3, |
| 798 | .nlanes = 1, |
| 799 | |
| 800 | .serdes_tbl = msm8996_usb3_serdes_tbl, |
| 801 | .serdes_tbl_num = ARRAY_SIZE(msm8996_usb3_serdes_tbl), |
| 802 | .tx_tbl = msm8996_usb3_tx_tbl, |
| 803 | .tx_tbl_num = ARRAY_SIZE(msm8996_usb3_tx_tbl), |
| 804 | .rx_tbl = msm8996_usb3_rx_tbl, |
| 805 | .rx_tbl_num = ARRAY_SIZE(msm8996_usb3_rx_tbl), |
| 806 | .pcs_tbl = msm8996_usb3_pcs_tbl, |
| 807 | .pcs_tbl_num = ARRAY_SIZE(msm8996_usb3_pcs_tbl), |
| 808 | .clk_list = msm8996_phy_clk_l, |
| 809 | .num_clks = ARRAY_SIZE(msm8996_phy_clk_l), |
| 810 | .reset_list = msm8996_usb3phy_reset_l, |
| 811 | .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), |
| 812 | .vreg_list = msm8996_phy_vreg_l, |
| 813 | .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l), |
| 814 | .regs = usb3phy_regs_layout, |
| 815 | |
| 816 | .start_ctrl = SERDES_START | PCS_START, |
| 817 | .pwrdn_ctrl = SW_PWRDN, |
| 818 | .mask_pcs_ready = PHYSTATUS, |
| 819 | }; |
| 820 | |
| 821 | /* list of resets */ |
| 822 | static const char * const ipq8074_pciephy_reset_l[] = { |
| 823 | "phy", "common", |
| 824 | }; |
| 825 | |
| 826 | static const struct qmp_phy_cfg ipq8074_pciephy_cfg = { |
| 827 | .type = PHY_TYPE_PCIE, |
| 828 | .nlanes = 1, |
| 829 | |
| 830 | .serdes_tbl = ipq8074_pcie_serdes_tbl, |
| 831 | .serdes_tbl_num = ARRAY_SIZE(ipq8074_pcie_serdes_tbl), |
| 832 | .tx_tbl = ipq8074_pcie_tx_tbl, |
| 833 | .tx_tbl_num = ARRAY_SIZE(ipq8074_pcie_tx_tbl), |
| 834 | .rx_tbl = ipq8074_pcie_rx_tbl, |
| 835 | .rx_tbl_num = ARRAY_SIZE(ipq8074_pcie_rx_tbl), |
| 836 | .pcs_tbl = ipq8074_pcie_pcs_tbl, |
| 837 | .pcs_tbl_num = ARRAY_SIZE(ipq8074_pcie_pcs_tbl), |
| 838 | .clk_list = NULL, |
| 839 | .num_clks = 0, |
| 840 | .reset_list = ipq8074_pciephy_reset_l, |
| 841 | .num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l), |
| 842 | .vreg_list = NULL, |
| 843 | .num_vregs = 0, |
| 844 | .regs = pciephy_regs_layout, |
| 845 | |
| 846 | .start_ctrl = SERDES_START | PCS_START, |
| 847 | .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, |
| 848 | .mask_pcs_ready = PHYSTATUS, |
| 849 | |
| 850 | .has_phy_com_ctrl = false, |
| 851 | .has_lane_rst = false, |
| 852 | .has_pwrdn_delay = true, |
| 853 | .pwrdn_delay_min = 995, /* us */ |
| 854 | .pwrdn_delay_max = 1005, /* us */ |
| 855 | }; |
| 856 | |
| 857 | static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = { |
| 858 | .type = PHY_TYPE_USB3, |
| 859 | .nlanes = 1, |
| 860 | |
| 861 | .serdes_tbl = qmp_v3_usb3_serdes_tbl, |
| 862 | .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl), |
| 863 | .tx_tbl = qmp_v3_usb3_tx_tbl, |
| 864 | .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_tx_tbl), |
| 865 | .rx_tbl = qmp_v3_usb3_rx_tbl, |
| 866 | .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_rx_tbl), |
| 867 | .pcs_tbl = qmp_v3_usb3_pcs_tbl, |
| 868 | .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl), |
| 869 | .clk_list = qmp_v3_phy_clk_l, |
| 870 | .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l), |
| 871 | .reset_list = msm8996_usb3phy_reset_l, |
| 872 | .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), |
| 873 | .vreg_list = msm8996_phy_vreg_l, |
| 874 | .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l), |
| 875 | .regs = qmp_v3_usb3phy_regs_layout, |
| 876 | |
| 877 | .start_ctrl = SERDES_START | PCS_START, |
| 878 | .pwrdn_ctrl = SW_PWRDN, |
| 879 | .mask_pcs_ready = PHYSTATUS, |
| 880 | |
| 881 | .has_pwrdn_delay = true, |
| 882 | .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, |
| 883 | .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX, |
| 884 | |
| 885 | .has_phy_dp_com_ctrl = true, |
| 886 | .tx_b_lane_offset = 0x400, |
| 887 | .rx_b_lane_offset = 0x400, |
| 888 | }; |
| 889 | |
| 890 | static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = { |
| 891 | .type = PHY_TYPE_USB3, |
| 892 | .nlanes = 1, |
| 893 | |
| 894 | .serdes_tbl = qmp_v3_usb3_uniphy_serdes_tbl, |
| 895 | .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_serdes_tbl), |
| 896 | .tx_tbl = qmp_v3_usb3_uniphy_tx_tbl, |
| 897 | .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_tx_tbl), |
| 898 | .rx_tbl = qmp_v3_usb3_uniphy_rx_tbl, |
| 899 | .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_rx_tbl), |
| 900 | .pcs_tbl = qmp_v3_usb3_uniphy_pcs_tbl, |
| 901 | .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_pcs_tbl), |
| 902 | .clk_list = qmp_v3_phy_clk_l, |
| 903 | .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l), |
| 904 | .reset_list = msm8996_usb3phy_reset_l, |
| 905 | .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), |
| 906 | .vreg_list = msm8996_phy_vreg_l, |
| 907 | .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l), |
| 908 | .regs = qmp_v3_usb3phy_regs_layout, |
| 909 | |
| 910 | .start_ctrl = SERDES_START | PCS_START, |
| 911 | .pwrdn_ctrl = SW_PWRDN, |
| 912 | .mask_pcs_ready = PHYSTATUS, |
| 913 | |
| 914 | .has_pwrdn_delay = true, |
| 915 | .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, |
| 916 | .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX, |
| 917 | }; |
| 918 | |
| 919 | static void qcom_qmp_phy_configure(void __iomem *base, |
| 920 | const unsigned int *regs, |
| 921 | const struct qmp_phy_init_tbl tbl[], |
| 922 | int num) |
| 923 | { |
| 924 | int i; |
| 925 | const struct qmp_phy_init_tbl *t = tbl; |
| 926 | |
| 927 | if (!t) |
| 928 | return; |
| 929 | |
| 930 | for (i = 0; i < num; i++, t++) { |
| 931 | if (t->in_layout) |
| 932 | writel(t->val, base + regs[t->offset]); |
| 933 | else |
| 934 | writel(t->val, base + t->offset); |
| 935 | } |
| 936 | } |
| 937 | |
| 938 | static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp) |
| 939 | { |
| 940 | const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 941 | void __iomem *serdes = qmp->serdes; |
| 942 | void __iomem *dp_com = qmp->dp_com; |
| 943 | int ret, i; |
| 944 | |
| 945 | mutex_lock(&qmp->phy_mutex); |
| 946 | if (qmp->init_count++) { |
| 947 | mutex_unlock(&qmp->phy_mutex); |
| 948 | return 0; |
| 949 | } |
| 950 | |
| 951 | /* turn on regulator supplies */ |
| 952 | ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); |
| 953 | if (ret) { |
| 954 | dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret); |
| 955 | goto err_reg_enable; |
| 956 | } |
| 957 | |
| 958 | for (i = 0; i < cfg->num_resets; i++) { |
| 959 | ret = reset_control_assert(qmp->resets[i]); |
| 960 | if (ret) { |
| 961 | dev_err(qmp->dev, "%s reset assert failed\n", |
| 962 | cfg->reset_list[i]); |
| 963 | goto err_rst_assert; |
| 964 | } |
| 965 | } |
| 966 | |
| 967 | for (i = cfg->num_resets - 1; i >= 0; i--) { |
| 968 | ret = reset_control_deassert(qmp->resets[i]); |
| 969 | if (ret) { |
| 970 | dev_err(qmp->dev, "%s reset deassert failed\n", |
| 971 | qmp->cfg->reset_list[i]); |
| 972 | goto err_rst; |
| 973 | } |
| 974 | } |
| 975 | |
| 976 | ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks); |
| 977 | if (ret) { |
| 978 | dev_err(qmp->dev, "failed to enable clks, err=%d\n", ret); |
| 979 | goto err_rst; |
| 980 | } |
| 981 | |
| 982 | if (cfg->has_phy_com_ctrl) |
| 983 | qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL], |
| 984 | SW_PWRDN); |
| 985 | |
| 986 | if (cfg->has_phy_dp_com_ctrl) { |
| 987 | qphy_setbits(dp_com, QPHY_V3_DP_COM_POWER_DOWN_CTRL, |
| 988 | SW_PWRDN); |
| 989 | /* override hardware control for reset of qmp phy */ |
| 990 | qphy_setbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, |
| 991 | SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | |
| 992 | SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); |
| 993 | |
| 994 | qphy_setbits(dp_com, QPHY_V3_DP_COM_PHY_MODE_CTRL, |
| 995 | USB3_MODE | DP_MODE); |
| 996 | |
| 997 | /* bring both QMP USB and QMP DP PHYs PCS block out of reset */ |
| 998 | qphy_clrbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, |
| 999 | SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | |
| 1000 | SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); |
| 1001 | } |
| 1002 | |
| 1003 | /* Serdes configuration */ |
| 1004 | qcom_qmp_phy_configure(serdes, cfg->regs, cfg->serdes_tbl, |
| 1005 | cfg->serdes_tbl_num); |
| 1006 | |
| 1007 | if (cfg->has_phy_com_ctrl) { |
| 1008 | void __iomem *status; |
| 1009 | unsigned int mask, val; |
| 1010 | |
| 1011 | qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET], SW_RESET); |
| 1012 | qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL], |
| 1013 | SERDES_START | PCS_START); |
| 1014 | |
| 1015 | status = serdes + cfg->regs[QPHY_COM_PCS_READY_STATUS]; |
| 1016 | mask = cfg->mask_com_pcs_ready; |
| 1017 | |
| 1018 | ret = readl_poll_timeout(status, val, (val & mask), 10, |
| 1019 | PHY_INIT_COMPLETE_TIMEOUT); |
| 1020 | if (ret) { |
| 1021 | dev_err(qmp->dev, |
| 1022 | "phy common block init timed-out\n"); |
| 1023 | goto err_com_init; |
| 1024 | } |
| 1025 | } |
| 1026 | |
| 1027 | mutex_unlock(&qmp->phy_mutex); |
| 1028 | |
| 1029 | return 0; |
| 1030 | |
| 1031 | err_com_init: |
| 1032 | clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| 1033 | err_rst: |
| 1034 | while (++i < cfg->num_resets) |
| 1035 | reset_control_assert(qmp->resets[i]); |
| 1036 | err_rst_assert: |
| 1037 | regulator_bulk_disable(cfg->num_vregs, qmp->vregs); |
| 1038 | err_reg_enable: |
| 1039 | mutex_unlock(&qmp->phy_mutex); |
| 1040 | |
| 1041 | return ret; |
| 1042 | } |
| 1043 | |
| 1044 | static int qcom_qmp_phy_com_exit(struct qcom_qmp *qmp) |
| 1045 | { |
| 1046 | const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 1047 | void __iomem *serdes = qmp->serdes; |
| 1048 | int i = cfg->num_resets; |
| 1049 | |
| 1050 | mutex_lock(&qmp->phy_mutex); |
| 1051 | if (--qmp->init_count) { |
| 1052 | mutex_unlock(&qmp->phy_mutex); |
| 1053 | return 0; |
| 1054 | } |
| 1055 | |
| 1056 | if (cfg->has_phy_com_ctrl) { |
| 1057 | qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL], |
| 1058 | SERDES_START | PCS_START); |
| 1059 | qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET], |
| 1060 | SW_RESET); |
| 1061 | qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL], |
| 1062 | SW_PWRDN); |
| 1063 | } |
| 1064 | |
| 1065 | while (--i >= 0) |
| 1066 | reset_control_assert(qmp->resets[i]); |
| 1067 | |
| 1068 | clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| 1069 | |
| 1070 | regulator_bulk_disable(cfg->num_vregs, qmp->vregs); |
| 1071 | |
| 1072 | mutex_unlock(&qmp->phy_mutex); |
| 1073 | |
| 1074 | return 0; |
| 1075 | } |
| 1076 | |
| 1077 | /* PHY Initialization */ |
| 1078 | static int qcom_qmp_phy_init(struct phy *phy) |
| 1079 | { |
| 1080 | struct qmp_phy *qphy = phy_get_drvdata(phy); |
| 1081 | struct qcom_qmp *qmp = qphy->qmp; |
| 1082 | const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 1083 | void __iomem *tx = qphy->tx; |
| 1084 | void __iomem *rx = qphy->rx; |
| 1085 | void __iomem *pcs = qphy->pcs; |
| 1086 | void __iomem *dp_com = qmp->dp_com; |
| 1087 | void __iomem *status; |
| 1088 | unsigned int mask, val; |
| 1089 | int ret; |
| 1090 | |
| 1091 | dev_vdbg(qmp->dev, "Initializing QMP phy\n"); |
| 1092 | |
| 1093 | ret = qcom_qmp_phy_com_init(qmp); |
| 1094 | if (ret) |
| 1095 | return ret; |
| 1096 | |
| 1097 | if (cfg->has_lane_rst) { |
| 1098 | ret = reset_control_deassert(qphy->lane_rst); |
| 1099 | if (ret) { |
| 1100 | dev_err(qmp->dev, "lane%d reset deassert failed\n", |
| 1101 | qphy->index); |
| 1102 | goto err_lane_rst; |
| 1103 | } |
| 1104 | } |
| 1105 | |
| 1106 | ret = clk_prepare_enable(qphy->pipe_clk); |
| 1107 | if (ret) { |
| 1108 | dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret); |
| 1109 | goto err_clk_enable; |
| 1110 | } |
| 1111 | |
| 1112 | /* Tx, Rx, and PCS configurations */ |
| 1113 | qcom_qmp_phy_configure(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num); |
| 1114 | /* Configuration for other LANE for USB-DP combo PHY */ |
| 1115 | if (cfg->has_phy_dp_com_ctrl) |
| 1116 | qcom_qmp_phy_configure(tx + cfg->tx_b_lane_offset, cfg->regs, |
| 1117 | cfg->tx_tbl, cfg->tx_tbl_num); |
| 1118 | |
| 1119 | qcom_qmp_phy_configure(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num); |
| 1120 | if (cfg->has_phy_dp_com_ctrl) |
| 1121 | qcom_qmp_phy_configure(rx + cfg->rx_b_lane_offset, cfg->regs, |
| 1122 | cfg->rx_tbl, cfg->rx_tbl_num); |
| 1123 | |
| 1124 | qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num); |
| 1125 | |
| 1126 | /* |
| 1127 | * Pull out PHY from POWER DOWN state. |
| 1128 | * This is active low enable signal to power-down PHY. |
| 1129 | */ |
| 1130 | qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl); |
| 1131 | |
| 1132 | if (cfg->has_pwrdn_delay) |
| 1133 | usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max); |
| 1134 | |
| 1135 | /* Pull PHY out of reset state */ |
| 1136 | qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); |
| 1137 | if (cfg->has_phy_dp_com_ctrl) |
| 1138 | qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET); |
| 1139 | |
| 1140 | /* start SerDes and Phy-Coding-Sublayer */ |
| 1141 | qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); |
| 1142 | |
| 1143 | status = pcs + cfg->regs[QPHY_PCS_READY_STATUS]; |
| 1144 | mask = cfg->mask_pcs_ready; |
| 1145 | |
| 1146 | ret = readl_poll_timeout(status, val, !(val & mask), 1, |
| 1147 | PHY_INIT_COMPLETE_TIMEOUT); |
| 1148 | if (ret) { |
| 1149 | dev_err(qmp->dev, "phy initialization timed-out\n"); |
| 1150 | goto err_pcs_ready; |
| 1151 | } |
| 1152 | qmp->phy_initialized = true; |
| 1153 | |
| 1154 | return ret; |
| 1155 | |
| 1156 | err_pcs_ready: |
| 1157 | clk_disable_unprepare(qphy->pipe_clk); |
| 1158 | err_clk_enable: |
| 1159 | if (cfg->has_lane_rst) |
| 1160 | reset_control_assert(qphy->lane_rst); |
| 1161 | err_lane_rst: |
| 1162 | qcom_qmp_phy_com_exit(qmp); |
| 1163 | |
| 1164 | return ret; |
| 1165 | } |
| 1166 | |
| 1167 | static int qcom_qmp_phy_exit(struct phy *phy) |
| 1168 | { |
| 1169 | struct qmp_phy *qphy = phy_get_drvdata(phy); |
| 1170 | struct qcom_qmp *qmp = qphy->qmp; |
| 1171 | const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 1172 | |
| 1173 | clk_disable_unprepare(qphy->pipe_clk); |
| 1174 | |
| 1175 | /* PHY reset */ |
| 1176 | qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); |
| 1177 | |
| 1178 | /* stop SerDes and Phy-Coding-Sublayer */ |
| 1179 | qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); |
| 1180 | |
| 1181 | /* Put PHY into POWER DOWN state: active low */ |
| 1182 | qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl); |
| 1183 | |
| 1184 | if (cfg->has_lane_rst) |
| 1185 | reset_control_assert(qphy->lane_rst); |
| 1186 | |
| 1187 | qcom_qmp_phy_com_exit(qmp); |
| 1188 | |
| 1189 | qmp->phy_initialized = false; |
| 1190 | |
| 1191 | return 0; |
| 1192 | } |
| 1193 | |
| 1194 | static int qcom_qmp_phy_set_mode(struct phy *phy, enum phy_mode mode) |
| 1195 | { |
| 1196 | struct qmp_phy *qphy = phy_get_drvdata(phy); |
| 1197 | struct qcom_qmp *qmp = qphy->qmp; |
| 1198 | |
| 1199 | qmp->mode = mode; |
| 1200 | |
| 1201 | return 0; |
| 1202 | } |
| 1203 | |
| 1204 | static void qcom_qmp_phy_enable_autonomous_mode(struct qmp_phy *qphy) |
| 1205 | { |
| 1206 | struct qcom_qmp *qmp = qphy->qmp; |
| 1207 | const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 1208 | void __iomem *pcs = qphy->pcs; |
| 1209 | void __iomem *pcs_misc = qphy->pcs_misc; |
| 1210 | u32 intr_mask; |
| 1211 | |
| 1212 | if (qmp->mode == PHY_MODE_USB_HOST_SS || |
| 1213 | qmp->mode == PHY_MODE_USB_DEVICE_SS) |
| 1214 | intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN; |
| 1215 | else |
| 1216 | intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL; |
| 1217 | |
| 1218 | /* Clear any pending interrupts status */ |
| 1219 | qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| 1220 | /* Writing 1 followed by 0 clears the interrupt */ |
| 1221 | qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| 1222 | |
| 1223 | qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], |
| 1224 | ARCVR_DTCT_EN | ALFPS_DTCT_EN | ARCVR_DTCT_EVENT_SEL); |
| 1225 | |
| 1226 | /* Enable required PHY autonomous mode interrupts */ |
| 1227 | qphy_setbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask); |
| 1228 | |
| 1229 | /* Enable i/o clamp_n for autonomous mode */ |
| 1230 | if (pcs_misc) |
| 1231 | qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN); |
| 1232 | } |
| 1233 | |
| 1234 | static void qcom_qmp_phy_disable_autonomous_mode(struct qmp_phy *qphy) |
| 1235 | { |
| 1236 | struct qcom_qmp *qmp = qphy->qmp; |
| 1237 | const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 1238 | void __iomem *pcs = qphy->pcs; |
| 1239 | void __iomem *pcs_misc = qphy->pcs_misc; |
| 1240 | |
| 1241 | /* Disable i/o clamp_n on resume for normal mode */ |
| 1242 | if (pcs_misc) |
| 1243 | qphy_setbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN); |
| 1244 | |
| 1245 | qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], |
| 1246 | ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN); |
| 1247 | |
| 1248 | qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| 1249 | /* Writing 1 followed by 0 clears the interrupt */ |
| 1250 | qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| 1251 | } |
| 1252 | |
| 1253 | static int __maybe_unused qcom_qmp_phy_runtime_suspend(struct device *dev) |
| 1254 | { |
| 1255 | struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| 1256 | struct qmp_phy *qphy = qmp->phys[0]; |
| 1257 | const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 1258 | |
| 1259 | dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode); |
| 1260 | |
| 1261 | /* Supported only for USB3 PHY */ |
| 1262 | if (cfg->type != PHY_TYPE_USB3) |
| 1263 | return 0; |
| 1264 | |
| 1265 | if (!qmp->phy_initialized) { |
| 1266 | dev_vdbg(dev, "PHY not initialized, bailing out\n"); |
| 1267 | return 0; |
| 1268 | } |
| 1269 | |
| 1270 | qcom_qmp_phy_enable_autonomous_mode(qphy); |
| 1271 | |
| 1272 | clk_disable_unprepare(qphy->pipe_clk); |
| 1273 | clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| 1274 | |
| 1275 | return 0; |
| 1276 | } |
| 1277 | |
| 1278 | static int __maybe_unused qcom_qmp_phy_runtime_resume(struct device *dev) |
| 1279 | { |
| 1280 | struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| 1281 | struct qmp_phy *qphy = qmp->phys[0]; |
| 1282 | const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 1283 | int ret = 0; |
| 1284 | |
| 1285 | dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode); |
| 1286 | |
| 1287 | /* Supported only for USB3 PHY */ |
| 1288 | if (cfg->type != PHY_TYPE_USB3) |
| 1289 | return 0; |
| 1290 | |
| 1291 | if (!qmp->phy_initialized) { |
| 1292 | dev_vdbg(dev, "PHY not initialized, bailing out\n"); |
| 1293 | return 0; |
| 1294 | } |
| 1295 | |
| 1296 | ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks); |
| 1297 | if (ret) { |
| 1298 | dev_err(qmp->dev, "failed to enable clks, err=%d\n", ret); |
| 1299 | return ret; |
| 1300 | } |
| 1301 | |
| 1302 | ret = clk_prepare_enable(qphy->pipe_clk); |
| 1303 | if (ret) { |
| 1304 | dev_err(dev, "pipe_clk enable failed, err=%d\n", ret); |
| 1305 | clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| 1306 | return ret; |
| 1307 | } |
| 1308 | |
| 1309 | qcom_qmp_phy_disable_autonomous_mode(qphy); |
| 1310 | |
| 1311 | return 0; |
| 1312 | } |
| 1313 | |
| 1314 | static int qcom_qmp_phy_vreg_init(struct device *dev) |
| 1315 | { |
| 1316 | struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| 1317 | int num = qmp->cfg->num_vregs; |
| 1318 | int i; |
| 1319 | |
| 1320 | qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL); |
| 1321 | if (!qmp->vregs) |
| 1322 | return -ENOMEM; |
| 1323 | |
| 1324 | for (i = 0; i < num; i++) |
| 1325 | qmp->vregs[i].supply = qmp->cfg->vreg_list[i]; |
| 1326 | |
| 1327 | return devm_regulator_bulk_get(dev, num, qmp->vregs); |
| 1328 | } |
| 1329 | |
| 1330 | static int qcom_qmp_phy_reset_init(struct device *dev) |
| 1331 | { |
| 1332 | struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| 1333 | int i; |
| 1334 | |
| 1335 | qmp->resets = devm_kcalloc(dev, qmp->cfg->num_resets, |
| 1336 | sizeof(*qmp->resets), GFP_KERNEL); |
| 1337 | if (!qmp->resets) |
| 1338 | return -ENOMEM; |
| 1339 | |
| 1340 | for (i = 0; i < qmp->cfg->num_resets; i++) { |
| 1341 | struct reset_control *rst; |
| 1342 | const char *name = qmp->cfg->reset_list[i]; |
| 1343 | |
| 1344 | rst = devm_reset_control_get(dev, name); |
| 1345 | if (IS_ERR(rst)) { |
| 1346 | dev_err(dev, "failed to get %s reset\n", name); |
| 1347 | return PTR_ERR(rst); |
| 1348 | } |
| 1349 | qmp->resets[i] = rst; |
| 1350 | } |
| 1351 | |
| 1352 | return 0; |
| 1353 | } |
| 1354 | |
| 1355 | static int qcom_qmp_phy_clk_init(struct device *dev) |
| 1356 | { |
| 1357 | struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| 1358 | int num = qmp->cfg->num_clks; |
| 1359 | int i; |
| 1360 | |
| 1361 | qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL); |
| 1362 | if (!qmp->clks) |
| 1363 | return -ENOMEM; |
| 1364 | |
| 1365 | for (i = 0; i < num; i++) |
| 1366 | qmp->clks[i].id = qmp->cfg->clk_list[i]; |
| 1367 | |
| 1368 | return devm_clk_bulk_get(dev, num, qmp->clks); |
| 1369 | } |
| 1370 | |
| 1371 | /* |
| 1372 | * Register a fixed rate pipe clock. |
| 1373 | * |
| 1374 | * The <s>_pipe_clksrc generated by PHY goes to the GCC that gate |
| 1375 | * controls it. The <s>_pipe_clk coming out of the GCC is requested |
| 1376 | * by the PHY driver for its operations. |
| 1377 | * We register the <s>_pipe_clksrc here. The gcc driver takes care |
| 1378 | * of assigning this <s>_pipe_clksrc as parent to <s>_pipe_clk. |
| 1379 | * Below picture shows this relationship. |
| 1380 | * |
| 1381 | * +---------------+ |
| 1382 | * | PHY block |<<---------------------------------------+ |
| 1383 | * | | | |
| 1384 | * | +-------+ | +-----+ | |
| 1385 | * I/P---^-->| PLL |---^--->pipe_clksrc--->| GCC |--->pipe_clk---+ |
| 1386 | * clk | +-------+ | +-----+ |
| 1387 | * +---------------+ |
| 1388 | */ |
| 1389 | static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np) |
| 1390 | { |
| 1391 | struct clk_fixed_rate *fixed; |
| 1392 | struct clk_init_data init = { }; |
| 1393 | int ret; |
| 1394 | |
| 1395 | if ((qmp->cfg->type != PHY_TYPE_USB3) && |
| 1396 | (qmp->cfg->type != PHY_TYPE_PCIE)) { |
| 1397 | /* not all phys register pipe clocks, so return success */ |
| 1398 | return 0; |
| 1399 | } |
| 1400 | |
| 1401 | ret = of_property_read_string(np, "clock-output-names", &init.name); |
| 1402 | if (ret) { |
| 1403 | dev_err(qmp->dev, "%s: No clock-output-names\n", np->name); |
| 1404 | return ret; |
| 1405 | } |
| 1406 | |
| 1407 | fixed = devm_kzalloc(qmp->dev, sizeof(*fixed), GFP_KERNEL); |
| 1408 | if (!fixed) |
| 1409 | return -ENOMEM; |
| 1410 | |
| 1411 | init.ops = &clk_fixed_rate_ops; |
| 1412 | |
| 1413 | /* controllers using QMP phys use 125MHz pipe clock interface */ |
| 1414 | fixed->fixed_rate = 125000000; |
| 1415 | fixed->hw.init = &init; |
| 1416 | |
| 1417 | return devm_clk_hw_register(qmp->dev, &fixed->hw); |
| 1418 | } |
| 1419 | |
| 1420 | static const struct phy_ops qcom_qmp_phy_gen_ops = { |
| 1421 | .init = qcom_qmp_phy_init, |
| 1422 | .exit = qcom_qmp_phy_exit, |
| 1423 | .set_mode = qcom_qmp_phy_set_mode, |
| 1424 | .owner = THIS_MODULE, |
| 1425 | }; |
| 1426 | |
| 1427 | static |
| 1428 | int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id) |
| 1429 | { |
| 1430 | struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| 1431 | struct phy *generic_phy; |
| 1432 | struct qmp_phy *qphy; |
| 1433 | char prop_name[MAX_PROP_NAME]; |
| 1434 | int ret; |
| 1435 | |
| 1436 | qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL); |
| 1437 | if (!qphy) |
| 1438 | return -ENOMEM; |
| 1439 | |
| 1440 | /* |
| 1441 | * Get memory resources for each phy lane: |
| 1442 | * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2; and |
| 1443 | * pcs_misc (optional) -> 3. |
| 1444 | */ |
| 1445 | qphy->tx = of_iomap(np, 0); |
| 1446 | if (!qphy->tx) |
| 1447 | return -ENOMEM; |
| 1448 | |
| 1449 | qphy->rx = of_iomap(np, 1); |
| 1450 | if (!qphy->rx) |
| 1451 | return -ENOMEM; |
| 1452 | |
| 1453 | qphy->pcs = of_iomap(np, 2); |
| 1454 | if (!qphy->pcs) |
| 1455 | return -ENOMEM; |
| 1456 | |
| 1457 | qphy->pcs_misc = of_iomap(np, 3); |
| 1458 | if (!qphy->pcs_misc) |
| 1459 | dev_vdbg(dev, "PHY pcs_misc-reg not used\n"); |
| 1460 | |
| 1461 | /* |
| 1462 | * Get PHY's Pipe clock, if any. USB3 and PCIe are PIPE3 |
| 1463 | * based phys, so they essentially have pipe clock. So, |
| 1464 | * we return error in case phy is USB3 or PIPE type. |
| 1465 | * Otherwise, we initialize pipe clock to NULL for |
| 1466 | * all phys that don't need this. |
| 1467 | */ |
| 1468 | snprintf(prop_name, sizeof(prop_name), "pipe%d", id); |
| 1469 | qphy->pipe_clk = of_clk_get_by_name(np, prop_name); |
| 1470 | if (IS_ERR(qphy->pipe_clk)) { |
| 1471 | if (qmp->cfg->type == PHY_TYPE_PCIE || |
| 1472 | qmp->cfg->type == PHY_TYPE_USB3) { |
| 1473 | ret = PTR_ERR(qphy->pipe_clk); |
| 1474 | if (ret != -EPROBE_DEFER) |
| 1475 | dev_err(dev, |
| 1476 | "failed to get lane%d pipe_clk, %d\n", |
| 1477 | id, ret); |
| 1478 | return ret; |
| 1479 | } |
| 1480 | qphy->pipe_clk = NULL; |
| 1481 | } |
| 1482 | |
| 1483 | /* Get lane reset, if any */ |
| 1484 | if (qmp->cfg->has_lane_rst) { |
| 1485 | snprintf(prop_name, sizeof(prop_name), "lane%d", id); |
| 1486 | qphy->lane_rst = of_reset_control_get(np, prop_name); |
| 1487 | if (IS_ERR(qphy->lane_rst)) { |
| 1488 | dev_err(dev, "failed to get lane%d reset\n", id); |
| 1489 | return PTR_ERR(qphy->lane_rst); |
| 1490 | } |
| 1491 | } |
| 1492 | |
| 1493 | generic_phy = devm_phy_create(dev, np, &qcom_qmp_phy_gen_ops); |
| 1494 | if (IS_ERR(generic_phy)) { |
| 1495 | ret = PTR_ERR(generic_phy); |
| 1496 | dev_err(dev, "failed to create qphy %d\n", ret); |
| 1497 | return ret; |
| 1498 | } |
| 1499 | |
| 1500 | qphy->phy = generic_phy; |
| 1501 | qphy->index = id; |
| 1502 | qphy->qmp = qmp; |
| 1503 | qmp->phys[id] = qphy; |
| 1504 | phy_set_drvdata(generic_phy, qphy); |
| 1505 | |
| 1506 | return 0; |
| 1507 | } |
| 1508 | |
| 1509 | static const struct of_device_id qcom_qmp_phy_of_match_table[] = { |
| 1510 | { |
| 1511 | .compatible = "qcom,msm8996-qmp-pcie-phy", |
| 1512 | .data = &msm8996_pciephy_cfg, |
| 1513 | }, { |
| 1514 | .compatible = "qcom,msm8996-qmp-usb3-phy", |
| 1515 | .data = &msm8996_usb3phy_cfg, |
| 1516 | }, { |
| 1517 | .compatible = "qcom,ipq8074-qmp-pcie-phy", |
| 1518 | .data = &ipq8074_pciephy_cfg, |
| 1519 | }, { |
| 1520 | .compatible = "qcom,sdm845-qmp-usb3-phy", |
| 1521 | .data = &qmp_v3_usb3phy_cfg, |
| 1522 | }, { |
| 1523 | .compatible = "qcom,sdm845-qmp-usb3-uni-phy", |
| 1524 | .data = &qmp_v3_usb3_uniphy_cfg, |
| 1525 | }, |
| 1526 | { }, |
| 1527 | }; |
| 1528 | MODULE_DEVICE_TABLE(of, qcom_qmp_phy_of_match_table); |
| 1529 | |
| 1530 | static const struct dev_pm_ops qcom_qmp_phy_pm_ops = { |
| 1531 | SET_RUNTIME_PM_OPS(qcom_qmp_phy_runtime_suspend, |
| 1532 | qcom_qmp_phy_runtime_resume, NULL) |
| 1533 | }; |
| 1534 | |
| 1535 | static int qcom_qmp_phy_probe(struct platform_device *pdev) |
| 1536 | { |
| 1537 | struct qcom_qmp *qmp; |
| 1538 | struct device *dev = &pdev->dev; |
| 1539 | struct resource *res; |
| 1540 | struct device_node *child; |
| 1541 | struct phy_provider *phy_provider; |
| 1542 | void __iomem *base; |
| 1543 | int num, id; |
| 1544 | int ret; |
| 1545 | |
| 1546 | qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL); |
| 1547 | if (!qmp) |
| 1548 | return -ENOMEM; |
| 1549 | |
| 1550 | qmp->dev = dev; |
| 1551 | dev_set_drvdata(dev, qmp); |
| 1552 | |
| 1553 | /* Get the specific init parameters of QMP phy */ |
| 1554 | qmp->cfg = of_device_get_match_data(dev); |
| 1555 | if (!qmp->cfg) |
| 1556 | return -EINVAL; |
| 1557 | |
| 1558 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 1559 | base = devm_ioremap_resource(dev, res); |
| 1560 | if (IS_ERR(base)) |
| 1561 | return PTR_ERR(base); |
| 1562 | |
| 1563 | /* per PHY serdes; usually located at base address */ |
| 1564 | qmp->serdes = base; |
| 1565 | |
| 1566 | /* per PHY dp_com; if PHY has dp_com control block */ |
| 1567 | if (qmp->cfg->has_phy_dp_com_ctrl) { |
| 1568 | res = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 1569 | "dp_com"); |
| 1570 | base = devm_ioremap_resource(dev, res); |
| 1571 | if (IS_ERR(base)) |
| 1572 | return PTR_ERR(base); |
| 1573 | |
| 1574 | qmp->dp_com = base; |
| 1575 | } |
| 1576 | |
| 1577 | mutex_init(&qmp->phy_mutex); |
| 1578 | |
| 1579 | ret = qcom_qmp_phy_clk_init(dev); |
| 1580 | if (ret) |
| 1581 | return ret; |
| 1582 | |
| 1583 | ret = qcom_qmp_phy_reset_init(dev); |
| 1584 | if (ret) |
| 1585 | return ret; |
| 1586 | |
| 1587 | ret = qcom_qmp_phy_vreg_init(dev); |
| 1588 | if (ret) { |
| 1589 | dev_err(dev, "failed to get regulator supplies\n"); |
| 1590 | return ret; |
| 1591 | } |
| 1592 | |
| 1593 | num = of_get_available_child_count(dev->of_node); |
| 1594 | /* do we have a rogue child node ? */ |
| 1595 | if (num > qmp->cfg->nlanes) |
| 1596 | return -EINVAL; |
| 1597 | |
| 1598 | qmp->phys = devm_kcalloc(dev, num, sizeof(*qmp->phys), GFP_KERNEL); |
| 1599 | if (!qmp->phys) |
| 1600 | return -ENOMEM; |
| 1601 | |
| 1602 | id = 0; |
| 1603 | pm_runtime_set_active(dev); |
| 1604 | pm_runtime_enable(dev); |
| 1605 | /* |
| 1606 | * Prevent runtime pm from being ON by default. Users can enable |
| 1607 | * it using power/control in sysfs. |
| 1608 | */ |
| 1609 | pm_runtime_forbid(dev); |
| 1610 | |
| 1611 | for_each_available_child_of_node(dev->of_node, child) { |
| 1612 | /* Create per-lane phy */ |
| 1613 | ret = qcom_qmp_phy_create(dev, child, id); |
| 1614 | if (ret) { |
| 1615 | dev_err(dev, "failed to create lane%d phy, %d\n", |
| 1616 | id, ret); |
| 1617 | pm_runtime_disable(dev); |
| 1618 | return ret; |
| 1619 | } |
| 1620 | |
| 1621 | /* |
| 1622 | * Register the pipe clock provided by phy. |
| 1623 | * See function description to see details of this pipe clock. |
| 1624 | */ |
| 1625 | ret = phy_pipe_clk_register(qmp, child); |
| 1626 | if (ret) { |
| 1627 | dev_err(qmp->dev, |
| 1628 | "failed to register pipe clock source\n"); |
| 1629 | pm_runtime_disable(dev); |
| 1630 | return ret; |
| 1631 | } |
| 1632 | id++; |
| 1633 | } |
| 1634 | |
| 1635 | phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); |
| 1636 | if (!IS_ERR(phy_provider)) |
| 1637 | dev_info(dev, "Registered Qcom-QMP phy\n"); |
| 1638 | else |
| 1639 | pm_runtime_disable(dev); |
| 1640 | |
| 1641 | return PTR_ERR_OR_ZERO(phy_provider); |
| 1642 | } |
| 1643 | |
| 1644 | static struct platform_driver qcom_qmp_phy_driver = { |
| 1645 | .probe = qcom_qmp_phy_probe, |
| 1646 | .driver = { |
| 1647 | .name = "qcom-qmp-phy", |
| 1648 | .pm = &qcom_qmp_phy_pm_ops, |
| 1649 | .of_match_table = qcom_qmp_phy_of_match_table, |
| 1650 | }, |
| 1651 | }; |
| 1652 | |
| 1653 | module_platform_driver(qcom_qmp_phy_driver); |
| 1654 | |
| 1655 | MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>"); |
| 1656 | MODULE_DESCRIPTION("Qualcomm QMP PHY driver"); |
| 1657 | MODULE_LICENSE("GPL v2"); |