| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Dmitry Eremin-Solenikov | 5422 | 88.54% | 7 | 26.92% |
| Johan Hovold | 701 | 11.45% | 18 | 69.23% |
| Yuan Can | 1 | 0.02% | 1 | 3.85% |
| Total | 6124 | 26 |
// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2017, The Linux Foundation. All rights reserved. */ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/of_address.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/reset.h> #include <linux/slab.h> #include "phy-qcom-qmp.h" /* QPHY_SW_RESET bit */ #define SW_RESET BIT(0) /* QPHY_POWER_DOWN_CONTROL */ #define SW_PWRDN BIT(0) /* QPHY_START_CONTROL bits */ #define SERDES_START BIT(0) #define PCS_START BIT(1) /* QPHY_PCS_READY_STATUS bit */ #define PCS_READY BIT(0) #define PHY_INIT_COMPLETE_TIMEOUT 10000 struct qmp_phy_init_tbl { unsigned int offset; unsigned int val; /* * mask of lanes for which this register is written * for cases when second lane needs different values */ u8 lane_mask; }; #define QMP_PHY_INIT_CFG(o, v) \ { \ .offset = o, \ .val = v, \ .lane_mask = 0xff, \ } #define QMP_PHY_INIT_CFG_LANE(o, v, l) \ { \ .offset = o, \ .val = v, \ .lane_mask = l, \ } /* set of registers with offsets different per-PHY */ enum qphy_reg_layout { /* PCS registers */ QPHY_SW_RESET, QPHY_START_CTRL, QPHY_PCS_READY_STATUS, QPHY_PCS_POWER_DOWN_CONTROL, /* Keep last to ensure regs_layout arrays are properly initialized */ QPHY_LAYOUT_SIZE }; static const unsigned int msm8996_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = { [QPHY_START_CTRL] = 0x00, [QPHY_PCS_READY_STATUS] = 0x168, [QPHY_PCS_POWER_DOWN_CONTROL] = 0x04, }; static const unsigned int sdm845_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = { [QPHY_START_CTRL] = 0x00, [QPHY_PCS_READY_STATUS] = 0x160, [QPHY_PCS_POWER_DOWN_CONTROL] = 0x04, }; static const unsigned int sm6115_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = { [QPHY_START_CTRL] = 0x00, [QPHY_PCS_READY_STATUS] = 0x168, [QPHY_PCS_POWER_DOWN_CONTROL] = 0x04, }; static const unsigned int sm8150_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = { [QPHY_START_CTRL] = QPHY_V4_PCS_UFS_PHY_START, [QPHY_PCS_READY_STATUS] = QPHY_V4_PCS_UFS_READY_STATUS, [QPHY_SW_RESET] = QPHY_V4_PCS_UFS_SW_RESET, [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V4_PCS_UFS_POWER_DOWN_CONTROL, }; static const struct qmp_phy_init_tbl msm8996_ufs_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x0e), QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0xd7), QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30), QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x06), QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08), QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a), QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x05), QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x0a), QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV_MODE1, 0x0a), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x01), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x10), QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL, 0x20), QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x54), QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x05), QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE0, 0x28), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE0, 0x02), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xff), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x0c), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE1, 0x98), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE1, 0x0b), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE1, 0x16), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE1, 0x28), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE1, 0x80), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE1, 0xd6), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE1, 0x32), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE1, 0x0f), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE1, 0x00), }; static const struct qmp_phy_init_tbl msm8996_ufs_tx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x02), }; static const struct qmp_phy_init_tbl msm8996_ufs_rx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x24), QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x02), QMP_PHY_INIT_CFG(QSERDES_RX_RX_INTERFACE_MODE, 0x00), QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x18), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0B), QMP_PHY_INIT_CFG(QSERDES_RX_RX_TERM_BW, 0x5b), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN1_LSB, 0xff), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN1_MSB, 0x3f), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN2_LSB, 0xff), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN2_MSB, 0x0f), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0E), }; static const struct qmp_phy_init_tbl sm6115_ufsphy_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x0e), QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x14), QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30), QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x02), QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08), QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a), QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x0a), QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV_MODE1, 0x0a), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x01), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL, 0x20), QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x04), QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x05), QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE0, 0x28), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE0, 0x02), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xff), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x0c), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE1, 0x98), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE1, 0x0b), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE1, 0x16), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE1, 0x28), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE1, 0x80), QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE1, 0xd6), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE1, 0x32), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE1, 0x0f), QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f), QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_INITVAL1, 0xff), QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_INITVAL2, 0x00), /* Rate B */ QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x44), }; static const struct qmp_phy_init_tbl sm6115_ufsphy_tx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06), }; static const struct qmp_phy_init_tbl sm6115_ufsphy_rx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x24), QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x0F), QMP_PHY_INIT_CFG(QSERDES_RX_RX_INTERFACE_MODE, 0x40), QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x1E), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0B), QMP_PHY_INIT_CFG(QSERDES_RX_RX_TERM_BW, 0x5B), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN1_LSB, 0xFF), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN1_MSB, 0x3F), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN2_LSB, 0xFF), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN2_MSB, 0x3F), QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0D), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SVS_SO_GAIN_HALF, 0x04), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SVS_SO_GAIN_QUARTER, 0x04), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SVS_SO_GAIN, 0x04), QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5B), }; static const struct qmp_phy_init_tbl sm6115_ufsphy_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_PWM_GEAR_BAND, 0x15), QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_SIGDET_CTRL2, 0x6d), QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_LARGE_AMP_DRV_LVL, 0x0f), QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_SMALL_AMP_DRV_LVL, 0x02), QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_MIN_STALL_NOCONFIG_TIME_CAP, 0x28), QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_SYM_RESYNC_CTRL, 0x03), QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_LARGE_AMP_POST_EMP_LVL, 0x12), QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_SMALL_AMP_POST_EMP_LVL, 0x0f), QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_MIN_HIBERN8_TIME, 0x9a), /* 8 us */ }; static const struct qmp_phy_init_tbl sdm845_ufsphy_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02), QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x04), QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a), QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07), QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06), QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0xd5), QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL, 0x20), QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30), QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00), QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x01), QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_CTRL, 0x00), QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00), QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x04), QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x05), QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL1, 0xff), QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL2, 0x00), QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82), QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06), QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16), QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36), QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f), QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00), QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xda), QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01), QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0xff), QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0c), QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE1, 0x98), QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE1, 0x06), QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE1, 0x16), QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE1, 0x36), QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE1, 0x3f), QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE1, 0xc1), QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE1, 0x00), QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE1, 0x32), QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE1, 0x0f), /* Rate B */ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x44), }; static const struct qmp_phy_init_tbl sdm845_ufsphy_tx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x06), QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x04), QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x07), }; static const struct qmp_phy_init_tbl sdm845_ufsphy_rx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_LVL, 0x24), QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x0f), QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1e), QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_INTERFACE_MODE, 0x40), QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_TERM_BW, 0x5b), QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06), QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04), QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1b), QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF, 0x04), QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER, 0x04), QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN, 0x04), QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x81), QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80), QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x59), }; static const struct qmp_phy_init_tbl sdm845_ufsphy_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SIGDET_CTRL2, 0x6e), QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a), QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02), QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SYM_RESYNC_CTRL, 0x03), QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_MID_TERM_CTRL1, 0x43), QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SIGDET_CTRL1, 0x0f), QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_MIN_HIBERN8_TIME, 0x9a), QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_MULTI_LANE_CTRL1, 0x02), }; static const struct qmp_phy_init_tbl sm8150_ufsphy_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0xd9), QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x11), QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_HS_SWITCH_SEL, 0x00), QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x01), QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02), QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f), QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_INITVAL2, 0x00), QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11), QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82), QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06), QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16), QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36), QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0xff), QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x0c), QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xac), QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e), QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x98), QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06), QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16), QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36), QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x32), QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x0f), QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xdd), QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x23), /* Rate B */ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x06), }; static const struct qmp_phy_init_tbl sm8150_ufsphy_tx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1, 0x06), QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1, 0x03), QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_3_DIVIDER_BAND0_1, 0x01), QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_4_DIVIDER_BAND0_1, 0x00), QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x05), QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0c), }; static const struct qmp_phy_init_tbl sm8150_ufsphy_rx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_LVL, 0x24), QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x0f), QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x1e), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_BAND, 0x18), QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x0a), QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0xf1), QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80), QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CTRL2, 0x80), QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0c), QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x04), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_TERM_BW, 0x1b), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1d), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x00), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_MEASURE_TIME, 0x10), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x36), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x36), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xf6), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x3b), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x3d), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xe0), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xc8), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xc8), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x3b), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb1), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_LOW, 0xe0), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH, 0xc8), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH2, 0xc8), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH3, 0x3b), QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH4, 0xb1), }; static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_SIGDET_CTRL2, 0x6d), QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a), QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02), QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_MID_TERM_CTRL1, 0x43), QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_DEBUG_BUS_CLKSEL, 0x1f), QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_MIN_HIBERN8_TIME, 0xff), QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_MULTI_LANE_CTRL1, 0x02), }; static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0xd9), QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_SEL, 0x11), QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_HS_SWITCH_SEL, 0x00), QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP_EN, 0x42), QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE_MAP, 0x02), QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_IVCO, 0x0f), QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE_INITVAL2, 0x00), QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_HSCLK_SEL, 0x11), QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x82), QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x14), QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x18), QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x18), QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0xff), QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x19), QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xac), QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e), QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x98), QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x14), QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x18), QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x18), QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0x65), QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x1e), QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xdd), QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x23), /* Rate B */ QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE_MAP, 0x06), }; static const struct qmp_phy_init_tbl sm8350_ufsphy_tx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_1_DIVIDER_BAND0_1, 0x06), QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_2_DIVIDER_BAND0_1, 0x03), QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_3_DIVIDER_BAND0_1, 0x01), QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_4_DIVIDER_BAND0_1, 0x00), QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0xf5), QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_3, 0x3f), QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x09), QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x09), QMP_PHY_INIT_CFG(QSERDES_V5_TX_TRAN_DRVR_EMP_EN, 0x0c), }; static const struct qmp_phy_init_tbl sm8350_ufsphy_rx_tbl[] = { QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_LVL, 0x24), QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_CNTRL, 0x0f), QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_DEGLITCH_CNTRL, 0x1e), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_BAND, 0x18), QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_FO_GAIN, 0x0a), QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5a), QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0xf1), QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80), QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CTRL2, 0x80), QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x0e), QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x04), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_TERM_BW, 0x1b), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL1, 0x04), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1a), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x17), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x00), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_MEASURE_TIME, 0x10), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_LOW, 0xc0), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_HIGH, 0x00), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0x6d), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0x6d), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xed), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3b), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0x3c), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0xe0), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0xc8), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xc8), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH3, 0x3b), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0xb7), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_LOW, 0xe0), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH, 0xc8), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH2, 0xc8), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH3, 0x3b), QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH4, 0xb7), QMP_PHY_INIT_CFG(QSERDES_V5_RX_DCC_CTRL1, 0x0c), }; static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_SIGDET_CTRL2, 0x6d), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_MID_TERM_CTRL1, 0x43), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_DEBUG_BUS_CLKSEL, 0x1f), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_MIN_HIBERN8_TIME, 0xff), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_PLL_CNTL, 0x03), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TIMER_20US_CORECLK_STEPS_MSB, 0x16), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TIMER_20US_CORECLK_STEPS_LSB, 0xd8), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_PWM_GEAR_BAND, 0xaa), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_HS_GEAR_BAND, 0x06), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x03), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x03), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_SIGDET_CTRL1, 0x0e), QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_MULTI_LANE_CTRL1, 0x02), }; struct qmp_ufs_offsets { u16 serdes; u16 pcs; u16 tx; u16 rx; u16 tx2; u16 rx2; }; /* struct qmp_phy_cfg - per-PHY initialization config */ struct qmp_phy_cfg { int lanes; const struct qmp_ufs_offsets *offsets; /* Init sequence for PHY blocks - serdes, tx, rx, pcs */ const struct qmp_phy_init_tbl *serdes_tbl; int serdes_tbl_num; const struct qmp_phy_init_tbl *tx_tbl; int tx_tbl_num; const struct qmp_phy_init_tbl *rx_tbl; int rx_tbl_num; const struct qmp_phy_init_tbl *pcs_tbl; int pcs_tbl_num; /* clock ids to be requested */ const char * const *clk_list; int num_clks; /* regulators to be requested */ const char * const *vreg_list; int num_vregs; /* array of registers with different offsets */ const unsigned int *regs; /* true, if PCS block has no separate SW_RESET register */ bool no_pcs_sw_reset; }; struct qmp_ufs { struct device *dev; const struct qmp_phy_cfg *cfg; void __iomem *serdes; void __iomem *pcs; void __iomem *pcs_misc; void __iomem *tx; void __iomem *rx; void __iomem *tx2; void __iomem *rx2; struct clk_bulk_data *clks; struct regulator_bulk_data *vregs; struct reset_control *ufs_reset; struct phy *phy; }; static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) { u32 reg; reg = readl(base + offset); reg |= val; writel(reg, base + offset); /* ensure that above write is through */ readl(base + offset); } static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val) { u32 reg; reg = readl(base + offset); reg &= ~val; writel(reg, base + offset); /* ensure that above write is through */ readl(base + offset); } /* list of clocks required by phy */ static const char * const msm8996_ufs_phy_clk_l[] = { "ref", }; /* the primary usb3 phy on sm8250 doesn't have a ref clock */ static const char * const sm8450_ufs_phy_clk_l[] = { "qref", "ref", "ref_aux", }; static const char * const sdm845_ufs_phy_clk_l[] = { "ref", "ref_aux", }; /* list of regulators */ static const char * const qmp_phy_vreg_l[] = { "vdda-phy", "vdda-pll", }; static const struct qmp_ufs_offsets qmp_ufs_offsets_v5 = { .serdes = 0, .pcs = 0xc00, .tx = 0x400, .rx = 0x600, .tx2 = 0x800, .rx2 = 0xa00, }; static const struct qmp_phy_cfg msm8996_ufs_cfg = { .lanes = 1, .serdes_tbl = msm8996_ufs_serdes_tbl, .serdes_tbl_num = ARRAY_SIZE(msm8996_ufs_serdes_tbl), .tx_tbl = msm8996_ufs_tx_tbl, .tx_tbl_num = ARRAY_SIZE(msm8996_ufs_tx_tbl), .rx_tbl = msm8996_ufs_rx_tbl, .rx_tbl_num = ARRAY_SIZE(msm8996_ufs_rx_tbl), .clk_list = msm8996_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(msm8996_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = msm8996_ufsphy_regs_layout, .no_pcs_sw_reset = true, }; static const struct qmp_phy_cfg sc8280xp_ufsphy_cfg = { .lanes = 2, .offsets = &qmp_ufs_offsets_v5, .serdes_tbl = sm8350_ufsphy_serdes_tbl, .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl), .tx_tbl = sm8350_ufsphy_tx_tbl, .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl), .rx_tbl = sm8350_ufsphy_rx_tbl, .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl), .pcs_tbl = sm8350_ufsphy_pcs_tbl, .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl), .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = sm8150_ufsphy_regs_layout, }; static const struct qmp_phy_cfg sdm845_ufsphy_cfg = { .lanes = 2, .serdes_tbl = sdm845_ufsphy_serdes_tbl, .serdes_tbl_num = ARRAY_SIZE(sdm845_ufsphy_serdes_tbl), .tx_tbl = sdm845_ufsphy_tx_tbl, .tx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_tx_tbl), .rx_tbl = sdm845_ufsphy_rx_tbl, .rx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_rx_tbl), .pcs_tbl = sdm845_ufsphy_pcs_tbl, .pcs_tbl_num = ARRAY_SIZE(sdm845_ufsphy_pcs_tbl), .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = sdm845_ufsphy_regs_layout, .no_pcs_sw_reset = true, }; static const struct qmp_phy_cfg sm6115_ufsphy_cfg = { .lanes = 1, .serdes_tbl = sm6115_ufsphy_serdes_tbl, .serdes_tbl_num = ARRAY_SIZE(sm6115_ufsphy_serdes_tbl), .tx_tbl = sm6115_ufsphy_tx_tbl, .tx_tbl_num = ARRAY_SIZE(sm6115_ufsphy_tx_tbl), .rx_tbl = sm6115_ufsphy_rx_tbl, .rx_tbl_num = ARRAY_SIZE(sm6115_ufsphy_rx_tbl), .pcs_tbl = sm6115_ufsphy_pcs_tbl, .pcs_tbl_num = ARRAY_SIZE(sm6115_ufsphy_pcs_tbl), .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = sm6115_ufsphy_regs_layout, .no_pcs_sw_reset = true, }; static const struct qmp_phy_cfg sm8150_ufsphy_cfg = { .lanes = 2, .serdes_tbl = sm8150_ufsphy_serdes_tbl, .serdes_tbl_num = ARRAY_SIZE(sm8150_ufsphy_serdes_tbl), .tx_tbl = sm8150_ufsphy_tx_tbl, .tx_tbl_num = ARRAY_SIZE(sm8150_ufsphy_tx_tbl), .rx_tbl = sm8150_ufsphy_rx_tbl, .rx_tbl_num = ARRAY_SIZE(sm8150_ufsphy_rx_tbl), .pcs_tbl = sm8150_ufsphy_pcs_tbl, .pcs_tbl_num = ARRAY_SIZE(sm8150_ufsphy_pcs_tbl), .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = sm8150_ufsphy_regs_layout, }; static const struct qmp_phy_cfg sm8350_ufsphy_cfg = { .lanes = 2, .serdes_tbl = sm8350_ufsphy_serdes_tbl, .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl), .tx_tbl = sm8350_ufsphy_tx_tbl, .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl), .rx_tbl = sm8350_ufsphy_rx_tbl, .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl), .pcs_tbl = sm8350_ufsphy_pcs_tbl, .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl), .clk_list = sdm845_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = sm8150_ufsphy_regs_layout, }; static const struct qmp_phy_cfg sm8450_ufsphy_cfg = { .lanes = 2, .serdes_tbl = sm8350_ufsphy_serdes_tbl, .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl), .tx_tbl = sm8350_ufsphy_tx_tbl, .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl), .rx_tbl = sm8350_ufsphy_rx_tbl, .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl), .pcs_tbl = sm8350_ufsphy_pcs_tbl, .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl), .clk_list = sm8450_ufs_phy_clk_l, .num_clks = ARRAY_SIZE(sm8450_ufs_phy_clk_l), .vreg_list = qmp_phy_vreg_l, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = sm8150_ufsphy_regs_layout, }; static void qmp_ufs_configure_lane(void __iomem *base, const struct qmp_phy_init_tbl tbl[], int num, u8 lane_mask) { int i; const struct qmp_phy_init_tbl *t = tbl; if (!t) return; for (i = 0; i < num; i++, t++) { if (!(t->lane_mask & lane_mask)) continue; writel(t->val, base + t->offset); } } static void qmp_ufs_configure(void __iomem *base, const struct qmp_phy_init_tbl tbl[], int num) { qmp_ufs_configure_lane(base, tbl, num, 0xff); } static int qmp_ufs_serdes_init(struct qmp_ufs *qmp) { const struct qmp_phy_cfg *cfg = qmp->cfg; void __iomem *serdes = qmp->serdes; const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl; int serdes_tbl_num = cfg->serdes_tbl_num; qmp_ufs_configure(serdes, serdes_tbl, serdes_tbl_num); return 0; } static int qmp_ufs_com_init(struct qmp_ufs *qmp) { const struct qmp_phy_cfg *cfg = qmp->cfg; void __iomem *pcs = qmp->pcs; int ret; ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); if (ret) { dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret); return ret; } ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks); if (ret) goto err_disable_regulators; qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN); return 0; err_disable_regulators: regulator_bulk_disable(cfg->num_vregs, qmp->vregs); return ret; } static int qmp_ufs_com_exit(struct qmp_ufs *qmp) { const struct qmp_phy_cfg *cfg = qmp->cfg; reset_control_assert(qmp->ufs_reset); clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); regulator_bulk_disable(cfg->num_vregs, qmp->vregs); return 0; } static int qmp_ufs_init(struct phy *phy) { struct qmp_ufs *qmp = phy_get_drvdata(phy); const struct qmp_phy_cfg *cfg = qmp->cfg; int ret; dev_vdbg(qmp->dev, "Initializing QMP phy\n"); if (cfg->no_pcs_sw_reset) { /* * Get UFS reset, which is delayed until now to avoid a * circular dependency where UFS needs its PHY, but the PHY * needs this UFS reset. */ if (!qmp->ufs_reset) { qmp->ufs_reset = devm_reset_control_get_exclusive(qmp->dev, "ufsphy"); if (IS_ERR(qmp->ufs_reset)) { ret = PTR_ERR(qmp->ufs_reset); dev_err(qmp->dev, "failed to get UFS reset: %d\n", ret); qmp->ufs_reset = NULL; return ret; } } ret = reset_control_assert(qmp->ufs_reset); if (ret) return ret; } ret = qmp_ufs_com_init(qmp); if (ret) return ret; return 0; } static int qmp_ufs_power_on(struct phy *phy) { struct qmp_ufs *qmp = phy_get_drvdata(phy); const struct qmp_phy_cfg *cfg = qmp->cfg; void __iomem *tx = qmp->tx; void __iomem *rx = qmp->rx; void __iomem *pcs = qmp->pcs; void __iomem *status; unsigned int val; int ret; qmp_ufs_serdes_init(qmp); /* Tx, Rx, and PCS configurations */ qmp_ufs_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1); qmp_ufs_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1); if (cfg->lanes >= 2) { qmp_ufs_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2); qmp_ufs_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2); } qmp_ufs_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num); ret = reset_control_deassert(qmp->ufs_reset); if (ret) return ret; /* Pull PHY out of reset state */ if (!cfg->no_pcs_sw_reset) qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); /* start SerDes */ qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], SERDES_START); status = pcs + cfg->regs[QPHY_PCS_READY_STATUS]; ret = readl_poll_timeout(status, val, (val & PCS_READY), 200, PHY_INIT_COMPLETE_TIMEOUT); if (ret) { dev_err(qmp->dev, "phy initialization timed-out\n"); return ret; } return 0; } static int qmp_ufs_power_off(struct phy *phy) { struct qmp_ufs *qmp = phy_get_drvdata(phy); const struct qmp_phy_cfg *cfg = qmp->cfg; /* PHY reset */ if (!cfg->no_pcs_sw_reset) qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); /* stop SerDes */ qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL], SERDES_START); /* Put PHY into POWER DOWN state: active low */ qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN); return 0; } static int qmp_ufs_exit(struct phy *phy) { struct qmp_ufs *qmp = phy_get_drvdata(phy); qmp_ufs_com_exit(qmp); return 0; } static int qmp_ufs_enable(struct phy *phy) { int ret; ret = qmp_ufs_init(phy); if (ret) return ret; ret = qmp_ufs_power_on(phy); if (ret) qmp_ufs_exit(phy); return ret; } static int qmp_ufs_disable(struct phy *phy) { int ret; ret = qmp_ufs_power_off(phy); if (ret) return ret; return qmp_ufs_exit(phy); } static const struct phy_ops qcom_qmp_ufs_phy_ops = { .power_on = qmp_ufs_enable, .power_off = qmp_ufs_disable, .owner = THIS_MODULE, }; static int qmp_ufs_vreg_init(struct qmp_ufs *qmp) { const struct qmp_phy_cfg *cfg = qmp->cfg; struct device *dev = qmp->dev; int num = cfg->num_vregs; int i; qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL); if (!qmp->vregs) return -ENOMEM; for (i = 0; i < num; i++) qmp->vregs[i].supply = cfg->vreg_list[i]; return devm_regulator_bulk_get(dev, num, qmp->vregs); } static int qmp_ufs_clk_init(struct qmp_ufs *qmp) { const struct qmp_phy_cfg *cfg = qmp->cfg; struct device *dev = qmp->dev; int num = cfg->num_clks; int i; qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL); if (!qmp->clks) return -ENOMEM; for (i = 0; i < num; i++) qmp->clks[i].id = cfg->clk_list[i]; return devm_clk_bulk_get(dev, num, qmp->clks); } static int qmp_ufs_parse_dt_legacy(struct qmp_ufs *qmp, struct device_node *np) { struct platform_device *pdev = to_platform_device(qmp->dev); const struct qmp_phy_cfg *cfg = qmp->cfg; struct device *dev = qmp->dev; qmp->serdes = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(qmp->serdes)) return PTR_ERR(qmp->serdes); /* * Get memory resources for the PHY: * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2. * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5 * For single lane PHYs: pcs_misc (optional) -> 3. */ qmp->tx = devm_of_iomap(dev, np, 0, NULL); if (IS_ERR(qmp->tx)) return PTR_ERR(qmp->tx); qmp->rx = devm_of_iomap(dev, np, 1, NULL); if (IS_ERR(qmp->rx)) return PTR_ERR(qmp->rx); qmp->pcs = devm_of_iomap(dev, np, 2, NULL); if (IS_ERR(qmp->pcs)) return PTR_ERR(qmp->pcs); if (cfg->lanes >= 2) { qmp->tx2 = devm_of_iomap(dev, np, 3, NULL); if (IS_ERR(qmp->tx2)) return PTR_ERR(qmp->tx2); qmp->rx2 = devm_of_iomap(dev, np, 4, NULL); if (IS_ERR(qmp->rx2)) return PTR_ERR(qmp->rx2); qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL); } else { qmp->pcs_misc = devm_of_iomap(dev, np, 3, NULL); } if (IS_ERR(qmp->pcs_misc)) dev_vdbg(dev, "PHY pcs_misc-reg not used\n"); return 0; } static int qmp_ufs_parse_dt(struct qmp_ufs *qmp) { struct platform_device *pdev = to_platform_device(qmp->dev); const struct qmp_phy_cfg *cfg = qmp->cfg; const struct qmp_ufs_offsets *offs = cfg->offsets; void __iomem *base; if (!offs) return -EINVAL; base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); qmp->serdes = base + offs->serdes; qmp->pcs = base + offs->pcs; qmp->tx = base + offs->tx; qmp->rx = base + offs->rx; if (cfg->lanes >= 2) { qmp->tx2 = base + offs->tx2; qmp->rx2 = base + offs->rx2; } return 0; } static int qmp_ufs_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct phy_provider *phy_provider; struct device_node *np; struct qmp_ufs *qmp; int ret; qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL); if (!qmp) return -ENOMEM; qmp->dev = dev; qmp->cfg = of_device_get_match_data(dev); if (!qmp->cfg) return -EINVAL; ret = qmp_ufs_clk_init(qmp); if (ret) return ret; ret = qmp_ufs_vreg_init(qmp); if (ret) return ret; /* Check for legacy binding with child node. */ np = of_get_next_available_child(dev->of_node, NULL); if (np) { ret = qmp_ufs_parse_dt_legacy(qmp, np); } else { np = of_node_get(dev->of_node); ret = qmp_ufs_parse_dt(qmp); } if (ret) goto err_node_put; qmp->phy = devm_phy_create(dev, np, &qcom_qmp_ufs_phy_ops); if (IS_ERR(qmp->phy)) { ret = PTR_ERR(qmp->phy); dev_err(dev, "failed to create PHY: %d\n", ret); goto err_node_put; } phy_set_drvdata(qmp->phy, qmp); of_node_put(np); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); return PTR_ERR_OR_ZERO(phy_provider); err_node_put: of_node_put(np); return ret; } static const struct of_device_id qmp_ufs_of_match_table[] = { { .compatible = "qcom,msm8996-qmp-ufs-phy", .data = &msm8996_ufs_cfg, }, { .compatible = "qcom,msm8998-qmp-ufs-phy", .data = &sdm845_ufsphy_cfg, }, { .compatible = "qcom,sc8180x-qmp-ufs-phy", .data = &sm8150_ufsphy_cfg, }, { .compatible = "qcom,sc8280xp-qmp-ufs-phy", .data = &sc8280xp_ufsphy_cfg, }, { .compatible = "qcom,sdm845-qmp-ufs-phy", .data = &sdm845_ufsphy_cfg, }, { .compatible = "qcom,sm6115-qmp-ufs-phy", .data = &sm6115_ufsphy_cfg, }, { .compatible = "qcom,sm6350-qmp-ufs-phy", .data = &sdm845_ufsphy_cfg, }, { .compatible = "qcom,sm8150-qmp-ufs-phy", .data = &sm8150_ufsphy_cfg, }, { .compatible = "qcom,sm8250-qmp-ufs-phy", .data = &sm8150_ufsphy_cfg, }, { .compatible = "qcom,sm8350-qmp-ufs-phy", .data = &sm8350_ufsphy_cfg, }, { .compatible = "qcom,sm8450-qmp-ufs-phy", .data = &sm8450_ufsphy_cfg, }, { }, }; MODULE_DEVICE_TABLE(of, qmp_ufs_of_match_table); static struct platform_driver qmp_ufs_driver = { .probe = qmp_ufs_probe, .driver = { .name = "qcom-qmp-ufs-phy", .of_match_table = qmp_ufs_of_match_table, }, }; module_platform_driver(qmp_ufs_driver); MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>"); MODULE_DESCRIPTION("Qualcomm QMP UFS PHY driver"); MODULE_LICENSE("GPL v2");
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