| // 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/mfd/syscon.h> |
| #include <linux/module.h> |
| #include <linux/of.h> |
| #include <linux/of_address.h> |
| #include <linux/phy/phy.h> |
| #include <linux/platform_device.h> |
| #include <linux/regmap.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/reset.h> |
| #include <linux/slab.h> |
| #include <linux/usb/typec.h> |
| #include <linux/usb/typec_mux.h> |
| #include <dt-bindings/phy/phy-qcom-qmp.h> |
| |
| #include "phy-qcom-qmp-common.h" |
| |
| #include "phy-qcom-qmp.h" |
| #include "phy-qcom-qmp-pcs-misc-v3.h" |
| |
| #include "phy-qcom-qmp-dp-phy.h" |
| #include "phy-qcom-qmp-dp-phy-v2.h" |
| |
| #define PHY_INIT_COMPLETE_TIMEOUT 10000 |
| #define SW_PORTSELECT_VAL BIT(0) |
| #define SW_PORTSELECT_MUX BIT(1) |
| |
| /* set of registers with offsets different per-PHY */ |
| enum qphy_reg_layout { |
| /* PCS registers */ |
| QPHY_SW_RESET, |
| QPHY_START_CTRL, |
| QPHY_PCS_STATUS, |
| QPHY_PCS_AUTONOMOUS_MODE_CTRL, |
| QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR, |
| QPHY_PCS_POWER_DOWN_CONTROL, |
| /* Keep last to ensure regs_layout arrays are properly initialized */ |
| QPHY_LAYOUT_SIZE |
| }; |
| |
| static const unsigned int qmp_v3_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = { |
| [QPHY_SW_RESET] = QPHY_V3_PCS_SW_RESET, |
| [QPHY_START_CTRL] = QPHY_V3_PCS_START_CONTROL, |
| [QPHY_PCS_STATUS] = QPHY_V3_PCS_PCS_STATUS, |
| [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V3_PCS_AUTONOMOUS_MODE_CTRL, |
| [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V3_PCS_LFPS_RXTERM_IRQ_CLEAR, |
| [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V3_PCS_POWER_DOWN_CONTROL, |
| }; |
| |
| static const unsigned int qmp_v3_usb3phy_regs_layout_qcm2290[QPHY_LAYOUT_SIZE] = { |
| [QPHY_SW_RESET] = QPHY_V3_PCS_SW_RESET, |
| [QPHY_START_CTRL] = QPHY_V3_PCS_START_CONTROL, |
| [QPHY_PCS_STATUS] = QPHY_V3_PCS_PCS_STATUS, |
| [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V3_PCS_AUTONOMOUS_MODE_CTRL, |
| [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V3_PCS_LFPS_RXTERM_IRQ_CLEAR, |
| [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V3_PCS_POWER_DOWN_CONTROL, |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8998_usb3_serdes_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02), |
| 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_GAIN1_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00), |
| 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_INTEGLOOP_INITVAL, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_MODE, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8998_usb3_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x16), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x00), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8998_usb3_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x43), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1c), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FO_GAIN, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_GAIN, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_ENABLES, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_VGA_CAL_CNTRL2, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x05), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8998_usb3_pcs_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb7), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4e), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x65), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6b), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x0d), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x8a), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13), |
| }; |
| |
| static const struct qmp_phy_init_tbl qcm2290_usb3_serdes_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x14), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08), |
| 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_RESETSM_CNTRL, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL2, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03), |
| 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_CORECLK_DIV, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x15), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x34), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x00), |
| 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_MAP, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0xde), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_INITVAL, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CTRL_BY_PSM, 0x01), |
| }; |
| |
| static const struct qmp_phy_init_tbl qcm2290_usb3_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0xc6), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x00), |
| }; |
| |
| static const struct qmp_phy_init_tbl qcm2290_usb3_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FO_GAIN, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_GAIN, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_VGA_CAL_CNTRL2, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_ENABLES, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x00), |
| }; |
| |
| /* the only difference is QSERDES_V3_RX_UCDR_PI_CONTROLS */ |
| static const struct qmp_phy_init_tbl sdm660_usb3_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FO_GAIN, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_GAIN, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_VGA_CAL_CNTRL2, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_ENABLES, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x00), |
| }; |
| |
| static const struct qmp_phy_init_tbl qcm2290_usb3_pcs_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x17), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0f), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x85), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v2_dp_serdes_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x37), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x3f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x0e), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BG_CTRL, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30), |
| QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28), |
| QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b), |
| QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x40), |
| QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x05), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x02), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v2_dp_serdes_tbl_rbr[] = { |
| QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x2c), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x69), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xbf), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x21), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v2_dp_serdes_tbl_hbr[] = { |
| QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x24), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x69), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x3f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x38), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v2_dp_serdes_tbl_hbr2[] = { |
| QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x20), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x8c), |
| 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, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x70), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v2_dp_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_TRANSCEIVER_BIAS_EN, 0x1a), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_VMODE_CTRL1, 0x40), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_PRE_STALL_LDO_BOOST_EN, 0x30), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_INTERFACE_SELECT, 0x3d), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_CLKBUF_ENABLE, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_RESET_TSYNC_EN, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_TRAN_DRVR_EMP_EN, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_PARRATE_REC_DETECT_IDLE_EN, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_TX_INTERFACE_MODE, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_TX_EMP_POST1_LVL, 0x2b), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_TX_DRV_LVL, 0x2f), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_TX_BAND, 0x4), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_RES_CODE_LANE_OFFSET_TX, 0x12), |
| QMP_PHY_INIT_CFG(QSERDES_V2_TX_RES_CODE_LANE_OFFSET_RX, 0x12), |
| }; |
| |
| struct qmp_usbc_offsets { |
| u16 serdes; |
| u16 pcs; |
| u16 pcs_misc; |
| u16 tx; |
| u16 rx; |
| /* for PHYs with >= 2 lanes */ |
| u16 tx2; |
| u16 rx2; |
| |
| u16 dp_serdes; |
| u16 dp_txa; |
| u16 dp_txb; |
| u16 dp_dp_phy; |
| }; |
| |
| struct qmp_usbc; |
| struct qmp_phy_cfg { |
| const struct qmp_usbc_offsets *offsets; |
| |
| /* Init sequence for USB 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; |
| |
| /* Init sequence for DP PHY blocks - serdes, tx, rbr, hbr, hbr2 */ |
| const struct qmp_phy_init_tbl *dp_serdes_tbl; |
| int dp_serdes_tbl_num; |
| const struct qmp_phy_init_tbl *dp_tx_tbl; |
| int dp_tx_tbl_num; |
| const struct qmp_phy_init_tbl *serdes_tbl_rbr; |
| int serdes_tbl_rbr_num; |
| const struct qmp_phy_init_tbl *serdes_tbl_hbr; |
| int serdes_tbl_hbr_num; |
| const struct qmp_phy_init_tbl *serdes_tbl_hbr2; |
| int serdes_tbl_hbr2_num; |
| |
| const u8 (*swing_tbl)[4][4]; |
| const u8 (*pre_emphasis_tbl)[4][4]; |
| |
| /* DP PHY callbacks */ |
| void (*dp_aux_init)(struct qmp_usbc *qmp); |
| void (*configure_dp_tx)(struct qmp_usbc *qmp); |
| int (*configure_dp_phy)(struct qmp_usbc *qmp); |
| int (*calibrate_dp_phy)(struct qmp_usbc *qmp); |
| |
| const char * const *reset_list; |
| int num_resets; |
| const struct regulator_bulk_data *vreg_list; |
| int num_vregs; |
| |
| /* array of registers with different offsets */ |
| const unsigned int *regs; |
| }; |
| |
| struct qmp_usbc { |
| 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; |
| void __iomem *dp_dp_phy; |
| void __iomem *dp_tx; |
| void __iomem *dp_tx2; |
| void __iomem *dp_serdes; |
| |
| struct clk *pipe_clk; |
| struct clk_fixed_rate pipe_clk_fixed; |
| |
| struct clk_hw dp_link_hw; |
| struct clk_hw dp_pixel_hw; |
| struct clk_bulk_data *clks; |
| int num_clks; |
| int num_resets; |
| struct reset_control_bulk_data *resets; |
| struct regulator_bulk_data *vregs; |
| |
| struct regmap *tcsr_map; |
| u32 vls_clamp_reg; |
| u32 dp_phy_mode_reg; |
| |
| struct mutex phy_mutex; |
| |
| struct phy *usb_phy; |
| enum phy_mode mode; |
| unsigned int usb_init_count; |
| |
| struct phy *dp_phy; |
| unsigned int dp_aux_cfg; |
| struct phy_configure_opts_dp dp_opts; |
| unsigned int dp_init_count; |
| |
| struct typec_switch_dev *sw; |
| enum typec_orientation orientation; |
| }; |
| |
| 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 qmp_usbc_phy_clk_l[] = { |
| "aux", "cfg_ahb", "ref", "com_aux", |
| }; |
| |
| /* list of resets */ |
| static const char * const usb3phy_legacy_reset_l[] = { |
| "phy", "common", |
| }; |
| |
| static const char * const usb3phy_reset_l[] = { |
| "phy_phy", "phy", |
| }; |
| |
| static const char * const usb3dpphy_reset_l[] = { |
| "phy_phy", "dp_phy", |
| }; |
| |
| static const struct regulator_bulk_data qmp_phy_msm8998_vreg_l[] = { |
| { .supply = "vdda-phy", .init_load_uA = 68600 }, |
| { .supply = "vdda-pll", .init_load_uA = 14200 }, |
| }; |
| |
| static const struct regulator_bulk_data qmp_phy_sm2290_vreg_l[] = { |
| { .supply = "vdda-phy", .init_load_uA = 66100 }, |
| { .supply = "vdda-pll", .init_load_uA = 13300 }, |
| }; |
| |
| static const struct regulator_bulk_data qmp_phy_qcs615_vreg_l[] = { |
| { .supply = "vdda-phy", .init_load_uA = 50000 }, |
| { .supply = "vdda-pll", .init_load_uA = 20000 }, |
| }; |
| |
| static const struct qmp_usbc_offsets qmp_usbc_offsets_v3_qcm2290 = { |
| .serdes = 0x0, |
| .pcs = 0xc00, |
| .pcs_misc = 0xa00, |
| .tx = 0x200, |
| .rx = 0x400, |
| .tx2 = 0x600, |
| .rx2 = 0x800, |
| }; |
| |
| static const struct qmp_usbc_offsets qmp_usbc_usb3dp_offsets_qcs615 = { |
| .serdes = 0x0, |
| .pcs = 0xc00, |
| .pcs_misc = 0xa00, |
| .tx = 0x200, |
| .rx = 0x400, |
| .tx2 = 0x600, |
| .rx2 = 0x800, |
| .dp_serdes = 0x1c00, |
| .dp_txa = 0x1400, |
| .dp_txb = 0x1800, |
| .dp_dp_phy = 0x1000, |
| }; |
| |
| static const u8 qmp_v2_dp_pre_emphasis_hbr2_rbr[4][4] = { |
| {0x00, 0x0b, 0x12, 0xff}, |
| {0x00, 0x0a, 0x12, 0xff}, |
| {0x00, 0x0c, 0xff, 0xff}, |
| {0xff, 0xff, 0xff, 0xff} |
| }; |
| |
| static const u8 qmp_v2_dp_voltage_swing_hbr2_rbr[4][4] = { |
| {0x07, 0x0f, 0x14, 0xff}, |
| {0x11, 0x1d, 0x1f, 0xff}, |
| {0x18, 0x1f, 0xff, 0xff}, |
| {0xff, 0xff, 0xff, 0xff} |
| }; |
| |
| static const struct qmp_phy_cfg msm8998_usb3phy_cfg = { |
| .offsets = &qmp_usbc_offsets_v3_qcm2290, |
| |
| .serdes_tbl = msm8998_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(msm8998_usb3_serdes_tbl), |
| .tx_tbl = msm8998_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(msm8998_usb3_tx_tbl), |
| .rx_tbl = msm8998_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(msm8998_usb3_rx_tbl), |
| .pcs_tbl = msm8998_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(msm8998_usb3_pcs_tbl), |
| .reset_list = usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(usb3phy_reset_l), |
| .vreg_list = qmp_phy_msm8998_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_msm8998_vreg_l), |
| .regs = qmp_v3_usb3phy_regs_layout, |
| }; |
| |
| static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = { |
| .offsets = &qmp_usbc_offsets_v3_qcm2290, |
| |
| .serdes_tbl = qcm2290_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(qcm2290_usb3_serdes_tbl), |
| .tx_tbl = qcm2290_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(qcm2290_usb3_tx_tbl), |
| .rx_tbl = qcm2290_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(qcm2290_usb3_rx_tbl), |
| .pcs_tbl = qcm2290_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(qcm2290_usb3_pcs_tbl), |
| .reset_list = usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(usb3phy_reset_l), |
| .vreg_list = qmp_phy_sm2290_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_sm2290_vreg_l), |
| .regs = qmp_v3_usb3phy_regs_layout_qcm2290, |
| }; |
| |
| static const struct qmp_phy_cfg sdm660_usb3phy_cfg = { |
| .offsets = &qmp_usbc_offsets_v3_qcm2290, |
| |
| .serdes_tbl = qcm2290_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(qcm2290_usb3_serdes_tbl), |
| .tx_tbl = qcm2290_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(qcm2290_usb3_tx_tbl), |
| .rx_tbl = sdm660_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(sdm660_usb3_rx_tbl), |
| .pcs_tbl = qcm2290_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(qcm2290_usb3_pcs_tbl), |
| .reset_list = usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(usb3phy_reset_l), |
| .vreg_list = qmp_phy_msm8998_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_msm8998_vreg_l), |
| .regs = qmp_v3_usb3phy_regs_layout_qcm2290, |
| }; |
| |
| static const struct qmp_phy_cfg qcs615_usb3phy_cfg = { |
| .offsets = &qmp_usbc_offsets_v3_qcm2290, |
| |
| .serdes_tbl = qcm2290_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(qcm2290_usb3_serdes_tbl), |
| .tx_tbl = qcm2290_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(qcm2290_usb3_tx_tbl), |
| .rx_tbl = qcm2290_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(qcm2290_usb3_rx_tbl), |
| .pcs_tbl = qcm2290_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(qcm2290_usb3_pcs_tbl), |
| .reset_list = usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(usb3phy_reset_l), |
| .vreg_list = qmp_phy_qcs615_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_qcs615_vreg_l), |
| .regs = qmp_v3_usb3phy_regs_layout_qcm2290, |
| }; |
| |
| static void qmp_v2_dp_aux_init(struct qmp_usbc *qmp); |
| static void qmp_v2_configure_dp_tx(struct qmp_usbc *qmp); |
| static int qmp_v2_configure_dp_phy(struct qmp_usbc *qmp); |
| static int qmp_v2_calibrate_dp_phy(struct qmp_usbc *qmp); |
| |
| static const struct qmp_phy_cfg qcs615_usb3dp_phy_cfg = { |
| .offsets = &qmp_usbc_usb3dp_offsets_qcs615, |
| |
| .serdes_tbl = qcm2290_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(qcm2290_usb3_serdes_tbl), |
| .tx_tbl = qcm2290_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(qcm2290_usb3_tx_tbl), |
| .rx_tbl = qcm2290_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(qcm2290_usb3_rx_tbl), |
| .pcs_tbl = qcm2290_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(qcm2290_usb3_pcs_tbl), |
| |
| .regs = qmp_v3_usb3phy_regs_layout_qcm2290, |
| |
| .dp_serdes_tbl = qmp_v2_dp_serdes_tbl, |
| .dp_serdes_tbl_num = ARRAY_SIZE(qmp_v2_dp_serdes_tbl), |
| .dp_tx_tbl = qmp_v2_dp_tx_tbl, |
| .dp_tx_tbl_num = ARRAY_SIZE(qmp_v2_dp_tx_tbl), |
| |
| .serdes_tbl_rbr = qmp_v2_dp_serdes_tbl_rbr, |
| .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v2_dp_serdes_tbl_rbr), |
| .serdes_tbl_hbr = qmp_v2_dp_serdes_tbl_hbr, |
| .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v2_dp_serdes_tbl_hbr), |
| .serdes_tbl_hbr2 = qmp_v2_dp_serdes_tbl_hbr2, |
| .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v2_dp_serdes_tbl_hbr2), |
| |
| .swing_tbl = &qmp_v2_dp_voltage_swing_hbr2_rbr, |
| .pre_emphasis_tbl = &qmp_v2_dp_pre_emphasis_hbr2_rbr, |
| |
| .dp_aux_init = qmp_v2_dp_aux_init, |
| .configure_dp_tx = qmp_v2_configure_dp_tx, |
| .configure_dp_phy = qmp_v2_configure_dp_phy, |
| .calibrate_dp_phy = qmp_v2_calibrate_dp_phy, |
| |
| .reset_list = usb3dpphy_reset_l, |
| .num_resets = ARRAY_SIZE(usb3dpphy_reset_l), |
| .vreg_list = qmp_phy_qcs615_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_qcs615_vreg_l), |
| }; |
| |
| static void qmp_usbc_set_phy_mode(struct qmp_usbc *qmp, bool is_dp) |
| { |
| if (qmp->tcsr_map && qmp->dp_phy_mode_reg) |
| regmap_write(qmp->tcsr_map, qmp->dp_phy_mode_reg, is_dp); |
| } |
| |
| static int qmp_usbc_com_init(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| 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 = reset_control_bulk_assert(qmp->num_resets, qmp->resets); |
| if (ret) { |
| dev_err(qmp->dev, "reset assert failed\n"); |
| goto err_disable_regulators; |
| } |
| |
| ret = reset_control_bulk_deassert(qmp->num_resets, qmp->resets); |
| if (ret) { |
| dev_err(qmp->dev, "reset deassert failed\n"); |
| goto err_disable_regulators; |
| } |
| |
| ret = clk_bulk_prepare_enable(qmp->num_clks, qmp->clks); |
| if (ret) |
| goto err_assert_reset; |
| |
| return 0; |
| |
| err_assert_reset: |
| reset_control_bulk_assert(qmp->num_resets, qmp->resets); |
| err_disable_regulators: |
| regulator_bulk_disable(cfg->num_vregs, qmp->vregs); |
| |
| return ret; |
| } |
| |
| static int qmp_usbc_com_exit(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| |
| reset_control_bulk_assert(qmp->num_resets, qmp->resets); |
| |
| clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks); |
| |
| regulator_bulk_disable(cfg->num_vregs, qmp->vregs); |
| |
| return 0; |
| } |
| |
| static void qmp_v2_dp_aux_init(struct qmp_usbc *qmp) |
| { |
| writel(DP_PHY_PD_CTL_AUX_PWRDN | |
| DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN | |
| DP_PHY_PD_CTL_PLL_PWRDN, |
| qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); |
| |
| writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | |
| DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN | |
| DP_PHY_PD_CTL_PLL_PWRDN, |
| qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); |
| |
| writel(0x00, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG0); |
| writel(0x13, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG1); |
| writel(0x00, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG2); |
| writel(0x00, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG3); |
| writel(0x0a, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG4); |
| writel(0x26, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG5); |
| writel(0x0a, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG6); |
| writel(0x03, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG7); |
| writel(0xbb, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG8); |
| writel(0x03, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG9); |
| qmp->dp_aux_cfg = 0; |
| |
| writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK | |
| PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK | |
| PHY_AUX_REQ_ERR_MASK, |
| qmp->dp_dp_phy + QSERDES_V2_DP_PHY_AUX_INTERRUPT_MASK); |
| } |
| |
| static int qmp_v2_configure_dp_swing(struct qmp_usbc *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; |
| void __iomem *tx = qmp->dp_tx; |
| void __iomem *tx2 = qmp->dp_tx2; |
| unsigned int v_level = 0, p_level = 0; |
| u8 voltage_swing_cfg, pre_emphasis_cfg; |
| int i; |
| |
| if (dp_opts->lanes > 4) { |
| dev_err(qmp->dev, "Invalid lane_num(%d)\n", dp_opts->lanes); |
| return -EINVAL; |
| } |
| |
| for (i = 0; i < dp_opts->lanes; i++) { |
| v_level = max(v_level, dp_opts->voltage[i]); |
| p_level = max(p_level, dp_opts->pre[i]); |
| } |
| |
| if (v_level > 4 || p_level > 4) { |
| dev_err(qmp->dev, "Invalid v(%d) | p(%d) level)\n", |
| v_level, p_level); |
| return -EINVAL; |
| } |
| |
| voltage_swing_cfg = (*cfg->swing_tbl)[v_level][p_level]; |
| pre_emphasis_cfg = (*cfg->pre_emphasis_tbl)[v_level][p_level]; |
| |
| voltage_swing_cfg |= DP_PHY_TXn_TX_DRV_LVL_MUX_EN; |
| pre_emphasis_cfg |= DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN; |
| |
| if (voltage_swing_cfg == 0xff && pre_emphasis_cfg == 0xff) |
| return -EINVAL; |
| |
| writel(voltage_swing_cfg, tx + QSERDES_V2_TX_TX_DRV_LVL); |
| writel(pre_emphasis_cfg, tx + QSERDES_V2_TX_TX_EMP_POST1_LVL); |
| writel(voltage_swing_cfg, tx2 + QSERDES_V2_TX_TX_DRV_LVL); |
| writel(pre_emphasis_cfg, tx2 + QSERDES_V2_TX_TX_EMP_POST1_LVL); |
| |
| return 0; |
| } |
| |
| static void qmp_usbc_configure_dp_mode(struct qmp_usbc *qmp) |
| { |
| bool reverse = (qmp->orientation == TYPEC_ORIENTATION_REVERSE); |
| u32 val; |
| |
| val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN | |
| DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_LANE_0_1_PWRDN | DP_PHY_PD_CTL_LANE_2_3_PWRDN; |
| |
| writel(val, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); |
| |
| if (reverse) |
| writel(0xc9, qmp->dp_dp_phy + QSERDES_DP_PHY_MODE); |
| else |
| writel(0xd9, qmp->dp_dp_phy + QSERDES_DP_PHY_MODE); |
| } |
| |
| static int qmp_usbc_configure_dp_clocks(struct qmp_usbc *qmp) |
| { |
| const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; |
| u32 phy_vco_div; |
| unsigned long pixel_freq; |
| |
| switch (dp_opts->link_rate) { |
| case 1620: |
| phy_vco_div = 0x1; |
| pixel_freq = 1620000000UL / 2; |
| break; |
| case 2700: |
| phy_vco_div = 0x1; |
| pixel_freq = 2700000000UL / 2; |
| break; |
| case 5400: |
| phy_vco_div = 0x2; |
| pixel_freq = 5400000000UL / 4; |
| break; |
| default: |
| dev_err(qmp->dev, "link rate:%d not supported\n", dp_opts->link_rate); |
| return -EINVAL; |
| } |
| writel(phy_vco_div, qmp->dp_dp_phy + QSERDES_V2_DP_PHY_VCO_DIV); |
| |
| clk_set_rate(qmp->dp_link_hw.clk, dp_opts->link_rate * 100000); |
| clk_set_rate(qmp->dp_pixel_hw.clk, pixel_freq); |
| |
| return 0; |
| } |
| |
| static void qmp_v2_configure_dp_tx(struct qmp_usbc *qmp) |
| { |
| const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; |
| void __iomem *tx = qmp->dp_tx; |
| void __iomem *tx2 = qmp->dp_tx2; |
| |
| /* program default setting first */ |
| writel(0x2a, tx + QSERDES_V2_TX_TX_DRV_LVL); |
| writel(0x20, tx + QSERDES_V2_TX_TX_EMP_POST1_LVL); |
| writel(0x2a, tx2 + QSERDES_V2_TX_TX_DRV_LVL); |
| writel(0x20, tx2 + QSERDES_V2_TX_TX_EMP_POST1_LVL); |
| |
| if (dp_opts->link_rate >= 2700) { |
| writel(0xc4, tx + QSERDES_V2_TX_LANE_MODE_1); |
| writel(0xc4, tx2 + QSERDES_V2_TX_LANE_MODE_1); |
| } else { |
| writel(0xc6, tx + QSERDES_V2_TX_LANE_MODE_1); |
| writel(0xc6, tx2 + QSERDES_V2_TX_LANE_MODE_1); |
| } |
| |
| qmp_v2_configure_dp_swing(qmp); |
| } |
| |
| static int qmp_v2_configure_dp_phy(struct qmp_usbc *qmp) |
| { |
| u32 status; |
| int ret; |
| |
| qmp_usbc_configure_dp_mode(qmp); |
| |
| writel(0x05, qmp->dp_dp_phy + QSERDES_V2_DP_PHY_TX0_TX1_LANE_CTL); |
| writel(0x05, qmp->dp_dp_phy + QSERDES_V2_DP_PHY_TX2_TX3_LANE_CTL); |
| |
| ret = qmp_usbc_configure_dp_clocks(qmp); |
| if (ret) |
| return ret; |
| |
| writel(0x01, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG); |
| writel(0x05, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG); |
| writel(0x01, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG); |
| writel(0x09, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG); |
| |
| writel(0x20, qmp->dp_serdes + QSERDES_COM_RESETSM_CNTRL); |
| |
| if (readl_poll_timeout(qmp->dp_serdes + QSERDES_COM_C_READY_STATUS, |
| status, |
| ((status & BIT(0)) > 0), |
| 500, |
| 10000)) { |
| dev_err(qmp->dev, "C_READY not ready\n"); |
| return -ETIMEDOUT; |
| } |
| |
| if (readl_poll_timeout(qmp->dp_serdes + QSERDES_COM_CMN_STATUS, |
| status, |
| ((status & BIT(0)) > 0), |
| 500, |
| 10000)){ |
| dev_err(qmp->dev, "FREQ_DONE not ready\n"); |
| return -ETIMEDOUT; |
| } |
| |
| if (readl_poll_timeout(qmp->dp_serdes + QSERDES_COM_CMN_STATUS, |
| status, |
| ((status & BIT(1)) > 0), |
| 500, |
| 10000)){ |
| dev_err(qmp->dev, "PLL_LOCKED not ready\n"); |
| return -ETIMEDOUT; |
| } |
| |
| writel(0x19, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG); |
| |
| if (readl_poll_timeout(qmp->dp_dp_phy + QSERDES_V2_DP_PHY_STATUS, |
| status, |
| ((status & BIT(0)) > 0), |
| 500, |
| 10000)){ |
| dev_err(qmp->dev, "TSYNC_DONE not ready\n"); |
| return -ETIMEDOUT; |
| } |
| |
| if (readl_poll_timeout(qmp->dp_dp_phy + QSERDES_V2_DP_PHY_STATUS, |
| status, |
| ((status & BIT(1)) > 0), |
| 500, |
| 10000)){ |
| dev_err(qmp->dev, "PHY_READY not ready\n"); |
| return -ETIMEDOUT; |
| } |
| |
| writel(0x3f, qmp->dp_tx + QSERDES_V2_TX_TRANSCEIVER_BIAS_EN); |
| writel(0x10, qmp->dp_tx + QSERDES_V2_TX_HIGHZ_DRVR_EN); |
| writel(0x0a, qmp->dp_tx + QSERDES_V2_TX_TX_POL_INV); |
| writel(0x3f, qmp->dp_tx2 + QSERDES_V2_TX_TRANSCEIVER_BIAS_EN); |
| writel(0x10, qmp->dp_tx2 + QSERDES_V2_TX_HIGHZ_DRVR_EN); |
| writel(0x0a, qmp->dp_tx2 + QSERDES_V2_TX_TX_POL_INV); |
| |
| writel(0x18, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG); |
| writel(0x19, qmp->dp_dp_phy + QSERDES_DP_PHY_CFG); |
| |
| if (readl_poll_timeout(qmp->dp_dp_phy + QSERDES_V2_DP_PHY_STATUS, |
| status, |
| ((status & BIT(1)) > 0), |
| 500, |
| 10000)){ |
| dev_err(qmp->dev, "PHY_READY not ready\n"); |
| return -ETIMEDOUT; |
| } |
| |
| return 0; |
| } |
| |
| static int qmp_v2_calibrate_dp_phy(struct qmp_usbc *qmp) |
| { |
| static const u8 cfg1_settings[] = {0x13, 0x23, 0x1d}; |
| u8 val; |
| |
| qmp->dp_aux_cfg++; |
| qmp->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings); |
| val = cfg1_settings[qmp->dp_aux_cfg]; |
| |
| writel(val, qmp->dp_dp_phy + QSERDES_DP_PHY_AUX_CFG1); |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_usb_power_on(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *status; |
| unsigned int val; |
| int ret; |
| |
| qphy_setbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN); |
| |
| /* Use software based port select and switch on typec orientation */ |
| val = SW_PORTSELECT_MUX; |
| if (qmp->orientation == TYPEC_ORIENTATION_REVERSE) |
| val |= SW_PORTSELECT_VAL; |
| writel(val, qmp->pcs_misc); |
| |
| qmp_configure(qmp->dev, qmp->serdes, cfg->serdes_tbl, |
| cfg->serdes_tbl_num); |
| |
| ret = clk_prepare_enable(qmp->pipe_clk); |
| if (ret) { |
| dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret); |
| return ret; |
| } |
| |
| /* Tx, Rx, and PCS configurations */ |
| qmp_configure_lane(qmp->dev, qmp->tx, cfg->tx_tbl, cfg->tx_tbl_num, 1); |
| qmp_configure_lane(qmp->dev, qmp->rx, cfg->rx_tbl, cfg->rx_tbl_num, 1); |
| |
| qmp_configure_lane(qmp->dev, qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2); |
| qmp_configure_lane(qmp->dev, qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2); |
| |
| qmp_configure(qmp->dev, qmp->pcs, cfg->pcs_tbl, cfg->pcs_tbl_num); |
| |
| /* Pull PHY out of reset state */ |
| qphy_clrbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); |
| |
| /* start SerDes and Phy-Coding-Sublayer */ |
| qphy_setbits(qmp->pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START); |
| |
| status = qmp->pcs + cfg->regs[QPHY_PCS_STATUS]; |
| ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 200, |
| PHY_INIT_COMPLETE_TIMEOUT); |
| if (ret) { |
| dev_err(qmp->dev, "phy initialization timed-out\n"); |
| goto err_disable_pipe_clk; |
| } |
| |
| return 0; |
| |
| err_disable_pipe_clk: |
| clk_disable_unprepare(qmp->pipe_clk); |
| |
| return ret; |
| } |
| |
| static int qmp_usbc_usb_power_off(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| |
| clk_disable_unprepare(qmp->pipe_clk); |
| |
| /* PHY reset */ |
| qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); |
| |
| /* stop SerDes and Phy-Coding-Sublayer */ |
| qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL], |
| SERDES_START | PCS_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_usbc_check_phy_status(struct qmp_usbc *qmp, bool is_dp) |
| { |
| if ((is_dp && qmp->usb_init_count) || |
| (!is_dp && qmp->dp_init_count)) { |
| dev_err(qmp->dev, |
| "PHY is configured for %s, can not enable %s\n", |
| is_dp ? "USB" : "DP", is_dp ? "DP" : "USB"); |
| return -EBUSY; |
| } |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_usb_enable(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| int ret; |
| |
| mutex_lock(&qmp->phy_mutex); |
| |
| ret = qmp_usbc_check_phy_status(qmp, false); |
| if (ret) |
| goto out_unlock; |
| |
| ret = qmp_usbc_com_init(phy); |
| if (ret) |
| goto out_unlock; |
| |
| qmp_usbc_set_phy_mode(qmp, false); |
| |
| ret = qmp_usbc_usb_power_on(phy); |
| if (ret) { |
| qmp_usbc_com_exit(phy); |
| goto out_unlock; |
| } |
| |
| qmp->usb_init_count++; |
| out_unlock: |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return ret; |
| } |
| |
| static int qmp_usbc_usb_disable(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| int ret; |
| |
| qmp->usb_init_count--; |
| ret = qmp_usbc_usb_power_off(phy); |
| if (ret) |
| return ret; |
| return qmp_usbc_com_exit(phy); |
| } |
| |
| static int qmp_usbc_usb_set_mode(struct phy *phy, enum phy_mode mode, int submode) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| |
| qmp->mode = mode; |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_dp_enable(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| int ret; |
| |
| if (qmp->dp_init_count) { |
| dev_err(qmp->dev, "DP already inited\n"); |
| return 0; |
| } |
| |
| mutex_lock(&qmp->phy_mutex); |
| |
| ret = qmp_usbc_check_phy_status(qmp, true); |
| if (ret) |
| goto dp_init_unlock; |
| |
| ret = qmp_usbc_com_init(phy); |
| if (ret) |
| goto dp_init_unlock; |
| |
| qmp_usbc_set_phy_mode(qmp, true); |
| |
| cfg->dp_aux_init(qmp); |
| |
| qmp->dp_init_count++; |
| |
| dp_init_unlock: |
| mutex_unlock(&qmp->phy_mutex); |
| return ret; |
| } |
| |
| static int qmp_usbc_dp_disable(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| |
| mutex_lock(&qmp->phy_mutex); |
| |
| qmp_usbc_com_exit(phy); |
| |
| qmp->dp_init_count--; |
| |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_dp_configure(struct phy *phy, union phy_configure_opts *opts) |
| { |
| const struct phy_configure_opts_dp *dp_opts = &opts->dp; |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| |
| mutex_lock(&qmp->phy_mutex); |
| |
| memcpy(&qmp->dp_opts, dp_opts, sizeof(*dp_opts)); |
| if (qmp->dp_opts.set_voltages) { |
| cfg->configure_dp_tx(qmp); |
| qmp->dp_opts.set_voltages = 0; |
| } |
| |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_dp_calibrate(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| int ret = 0; |
| |
| mutex_lock(&qmp->phy_mutex); |
| |
| if (cfg->calibrate_dp_phy) { |
| ret = cfg->calibrate_dp_phy(qmp); |
| if (ret) { |
| dev_err(qmp->dev, "dp calibrate err(%d)\n", ret); |
| mutex_unlock(&qmp->phy_mutex); |
| return ret; |
| } |
| } |
| |
| mutex_unlock(&qmp->phy_mutex); |
| return 0; |
| } |
| |
| static int qmp_usbc_dp_serdes_init(struct qmp_usbc *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *serdes = qmp->dp_serdes; |
| const struct phy_configure_opts_dp *dp_opts = &qmp->dp_opts; |
| |
| qmp_configure(qmp->dev, serdes, cfg->dp_serdes_tbl, |
| cfg->dp_serdes_tbl_num); |
| |
| switch (dp_opts->link_rate) { |
| case 1620: |
| qmp_configure(qmp->dev, serdes, cfg->serdes_tbl_rbr, |
| cfg->serdes_tbl_rbr_num); |
| break; |
| case 2700: |
| qmp_configure(qmp->dev, serdes, cfg->serdes_tbl_hbr, |
| cfg->serdes_tbl_hbr_num); |
| break; |
| case 5400: |
| qmp_configure(qmp->dev, serdes, cfg->serdes_tbl_hbr2, |
| cfg->serdes_tbl_hbr2_num); |
| break; |
| default: |
| /* Other link rates aren't supported */ |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_dp_power_on(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| |
| void __iomem *tx = qmp->dp_tx; |
| void __iomem *tx2 = qmp->dp_tx2; |
| |
| /* |
| * FIXME: SW_PORTSELECT handling for DP orientation flip is not implemented. |
| * Expected: |
| * - For standard lane mapping: configure SW_PORTSELECT in QSERDES_DP_PHY_CFG_1. |
| * - For non-standard mapping: pass orientation to dp_ctrl and handle flip |
| * via logical2physical lane remapping. |
| */ |
| |
| mutex_lock(&qmp->phy_mutex); |
| |
| qmp_usbc_dp_serdes_init(qmp); |
| |
| qmp_configure_lane(qmp->dev, tx, cfg->dp_tx_tbl, cfg->dp_tx_tbl_num, 1); |
| qmp_configure_lane(qmp->dev, tx2, cfg->dp_tx_tbl, cfg->dp_tx_tbl_num, 2); |
| |
| /* Configure special DP tx tunings */ |
| cfg->configure_dp_tx(qmp); |
| |
| /* Configure link rate, swing, etc. */ |
| cfg->configure_dp_phy(qmp); |
| |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_dp_power_off(struct phy *phy) |
| { |
| struct qmp_usbc *qmp = phy_get_drvdata(phy); |
| |
| mutex_lock(&qmp->phy_mutex); |
| |
| /* Assert DP PHY power down */ |
| writel(DP_PHY_PD_CTL_PSR_PWRDN, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); |
| |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return 0; |
| } |
| |
| static const struct phy_ops qmp_usbc_usb_phy_ops = { |
| .init = qmp_usbc_usb_enable, |
| .exit = qmp_usbc_usb_disable, |
| .set_mode = qmp_usbc_usb_set_mode, |
| .owner = THIS_MODULE, |
| }; |
| |
| static const struct phy_ops qmp_usbc_dp_phy_ops = { |
| .init = qmp_usbc_dp_enable, |
| .exit = qmp_usbc_dp_disable, |
| .configure = qmp_usbc_dp_configure, |
| .calibrate = qmp_usbc_dp_calibrate, |
| .power_on = qmp_usbc_dp_power_on, |
| .power_off = qmp_usbc_dp_power_off, |
| .owner = THIS_MODULE, |
| }; |
| |
| static void qmp_usbc_enable_autonomous_mode(struct qmp_usbc *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *pcs = qmp->pcs; |
| u32 intr_mask; |
| |
| if (qmp->mode == PHY_MODE_USB_HOST_SS || |
| qmp->mode == PHY_MODE_USB_DEVICE_SS) |
| intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN; |
| else |
| intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL; |
| |
| /* Clear any pending interrupts status */ |
| qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| /* Writing 1 followed by 0 clears the interrupt */ |
| qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| |
| qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], |
| ARCVR_DTCT_EN | ALFPS_DTCT_EN | ARCVR_DTCT_EVENT_SEL); |
| |
| /* Enable required PHY autonomous mode interrupts */ |
| qphy_setbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask); |
| |
| /* Enable i/o clamp_n for autonomous mode */ |
| if (qmp->tcsr_map && qmp->vls_clamp_reg) |
| regmap_write(qmp->tcsr_map, qmp->vls_clamp_reg, 1); |
| } |
| |
| static void qmp_usbc_disable_autonomous_mode(struct qmp_usbc *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *pcs = qmp->pcs; |
| |
| /* Disable i/o clamp_n on resume for normal mode */ |
| if (qmp->tcsr_map && qmp->vls_clamp_reg) |
| regmap_write(qmp->tcsr_map, qmp->vls_clamp_reg, 0); |
| |
| qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], |
| ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN); |
| |
| qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| /* Writing 1 followed by 0 clears the interrupt */ |
| qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| } |
| |
| static int __maybe_unused qmp_usbc_runtime_suspend(struct device *dev) |
| { |
| struct qmp_usbc *qmp = dev_get_drvdata(dev); |
| |
| dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode); |
| |
| if (!qmp->usb_init_count && !qmp->dp_init_count) { |
| dev_vdbg(dev, "PHY not initialized, bailing out\n"); |
| return 0; |
| } |
| |
| qmp_usbc_enable_autonomous_mode(qmp); |
| |
| clk_disable_unprepare(qmp->pipe_clk); |
| clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks); |
| |
| return 0; |
| } |
| |
| static int __maybe_unused qmp_usbc_runtime_resume(struct device *dev) |
| { |
| struct qmp_usbc *qmp = dev_get_drvdata(dev); |
| int ret = 0; |
| |
| dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode); |
| |
| if (!qmp->usb_init_count && !qmp->dp_init_count) { |
| dev_vdbg(dev, "PHY not initialized, bailing out\n"); |
| return 0; |
| } |
| |
| ret = clk_bulk_prepare_enable(qmp->num_clks, qmp->clks); |
| if (ret) |
| return ret; |
| |
| ret = clk_prepare_enable(qmp->pipe_clk); |
| if (ret) { |
| dev_err(dev, "pipe_clk enable failed, err=%d\n", ret); |
| clk_bulk_disable_unprepare(qmp->num_clks, qmp->clks); |
| return ret; |
| } |
| |
| qmp_usbc_disable_autonomous_mode(qmp); |
| |
| return 0; |
| } |
| |
| static const struct dev_pm_ops qmp_usbc_pm_ops = { |
| SET_RUNTIME_PM_OPS(qmp_usbc_runtime_suspend, |
| qmp_usbc_runtime_resume, NULL) |
| }; |
| |
| static int qmp_usbc_reset_init(struct qmp_usbc *qmp, |
| const char *const *reset_list, |
| int num_resets) |
| { |
| struct device *dev = qmp->dev; |
| int i; |
| int ret; |
| |
| qmp->resets = devm_kcalloc(dev, num_resets, |
| sizeof(*qmp->resets), GFP_KERNEL); |
| if (!qmp->resets) |
| return -ENOMEM; |
| |
| for (i = 0; i < num_resets; i++) |
| qmp->resets[i].id = reset_list[i]; |
| |
| qmp->num_resets = num_resets; |
| |
| ret = devm_reset_control_bulk_get_exclusive(dev, num_resets, qmp->resets); |
| if (ret) |
| return dev_err_probe(dev, ret, "failed to get resets\n"); |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_clk_init(struct qmp_usbc *qmp) |
| { |
| struct device *dev = qmp->dev; |
| int num = ARRAY_SIZE(qmp_usbc_phy_clk_l); |
| 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 = qmp_usbc_phy_clk_l[i]; |
| |
| qmp->num_clks = num; |
| |
| return devm_clk_bulk_get_optional(dev, num, qmp->clks); |
| } |
| |
| static struct clk_hw *qmp_usbc_clks_hw_get(struct of_phandle_args *clkspec, void *data) |
| { |
| struct qmp_usbc *qmp = data; |
| |
| if (clkspec->args_count == 0) |
| return &qmp->pipe_clk_fixed.hw; |
| |
| switch (clkspec->args[0]) { |
| case QMP_USB43DP_USB3_PIPE_CLK: |
| return &qmp->pipe_clk_fixed.hw; |
| case QMP_USB43DP_DP_LINK_CLK: |
| return &qmp->dp_link_hw; |
| case QMP_USB43DP_DP_VCO_DIV_CLK: |
| return &qmp->dp_pixel_hw; |
| } |
| |
| return ERR_PTR(-EINVAL); |
| } |
| |
| /* |
| * Register a fixed rate pipe clock. |
| * |
| * The <s>_pipe_clksrc generated by PHY goes to the GCC that gate |
| * controls it. The <s>_pipe_clk coming out of the GCC is requested |
| * by the PHY driver for its operations. |
| * We register the <s>_pipe_clksrc here. The gcc driver takes care |
| * of assigning this <s>_pipe_clksrc as parent to <s>_pipe_clk. |
| * Below picture shows this relationship. |
| * |
| * +---------------+ |
| * | PHY block |<<---------------------------------------+ |
| * | | | |
| * | +-------+ | +-----+ | |
| * I/P---^-->| PLL |---^--->pipe_clksrc--->| GCC |--->pipe_clk---+ |
| * clk | +-------+ | +-----+ |
| * +---------------+ |
| */ |
| static int phy_pipe_clk_register(struct qmp_usbc *qmp, struct device_node *np) |
| { |
| struct clk_fixed_rate *fixed = &qmp->pipe_clk_fixed; |
| struct clk_init_data init = { }; |
| char name[64]; |
| int ret; |
| |
| ret = of_property_read_string(np, "clock-output-names", &init.name); |
| if (ret) { |
| /* Clock name is not mandatory. */ |
| snprintf(name, sizeof(name), "%s::pipe_clk", dev_name(qmp->dev)); |
| init.name = name; |
| } |
| |
| init.ops = &clk_fixed_rate_ops; |
| |
| /* controllers using QMP phys use 125MHz pipe clock interface */ |
| fixed->fixed_rate = 125000000; |
| fixed->hw.init = &init; |
| |
| return devm_clk_hw_register(qmp->dev, &fixed->hw); |
| } |
| |
| /* |
| * Display Port PLL driver block diagram for branch clocks |
| * |
| * +------------------------------+ |
| * | DP_VCO_CLK | |
| * | | |
| * | +-------------------+ | |
| * | | (DP PLL/VCO) | | |
| * | +---------+---------+ | |
| * | v | |
| * | +----------+-----------+ | |
| * | | hsclk_divsel_clk_src | | |
| * | +----------+-----------+ | |
| * +------------------------------+ |
| * | |
| * +---------<---------v------------>----------+ |
| * | | |
| * +--------v----------------+ | |
| * | dp_phy_pll_link_clk | | |
| * | link_clk | | |
| * +--------+----------------+ | |
| * | | |
| * | | |
| * v v |
| * Input to DISPCC block | |
| * for link clk, crypto clk | |
| * and interface clock | |
| * | |
| * | |
| * +--------<------------+-----------------+---<---+ |
| * | | | |
| * +----v---------+ +--------v-----+ +--------v------+ |
| * | vco_divided | | vco_divided | | vco_divided | |
| * | _clk_src | | _clk_src | | _clk_src | |
| * | | | | | | |
| * |divsel_six | | divsel_two | | divsel_four | |
| * +-------+------+ +-----+--------+ +--------+------+ |
| * | | | |
| * v---->----------v-------------<------v |
| * | |
| * +----------+-----------------+ |
| * | dp_phy_pll_vco_div_clk | |
| * +---------+------------------+ |
| * | |
| * v |
| * Input to DISPCC block |
| * for DP pixel clock |
| * |
| */ |
| static int qmp_dp_pixel_clk_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) |
| { |
| switch (req->rate) { |
| case 1620000000UL / 2: |
| case 2700000000UL / 2: |
| /* 5.4 is same link rate as 2.7GHz, i.e. div 4 */ |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static unsigned long qmp_dp_pixel_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) |
| { |
| const struct qmp_usbc *qmp; |
| const struct phy_configure_opts_dp *dp_opts; |
| |
| qmp = container_of(hw, struct qmp_usbc, dp_pixel_hw); |
| |
| dp_opts = &qmp->dp_opts; |
| |
| switch (dp_opts->link_rate) { |
| case 1620: |
| return 1620000000UL / 2; |
| case 2700: |
| return 2700000000UL / 2; |
| case 5400: |
| return 5400000000UL / 4; |
| default: |
| return 0; |
| } |
| } |
| |
| static const struct clk_ops qmp_dp_pixel_clk_ops = { |
| .determine_rate = qmp_dp_pixel_clk_determine_rate, |
| .recalc_rate = qmp_dp_pixel_clk_recalc_rate, |
| }; |
| |
| static int qmp_dp_link_clk_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) |
| { |
| switch (req->rate) { |
| case 162000000: |
| case 270000000: |
| case 540000000: |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static unsigned long qmp_dp_link_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) |
| { |
| const struct qmp_usbc *qmp; |
| const struct phy_configure_opts_dp *dp_opts; |
| |
| qmp = container_of(hw, struct qmp_usbc, dp_link_hw); |
| dp_opts = &qmp->dp_opts; |
| |
| switch (dp_opts->link_rate) { |
| case 1620: |
| case 2700: |
| case 5400: |
| return dp_opts->link_rate * 100000; |
| default: |
| return 0; |
| } |
| } |
| |
| static const struct clk_ops qmp_dp_link_clk_ops = { |
| .determine_rate = qmp_dp_link_clk_determine_rate, |
| .recalc_rate = qmp_dp_link_clk_recalc_rate, |
| }; |
| |
| static int phy_dp_clks_register(struct qmp_usbc *qmp, struct device_node *np) |
| { |
| struct clk_init_data init = { }; |
| char name[64]; |
| int ret; |
| |
| snprintf(name, sizeof(name), "%s::link_clk", dev_name(qmp->dev)); |
| init.ops = &qmp_dp_link_clk_ops; |
| init.name = name; |
| qmp->dp_link_hw.init = &init; |
| ret = devm_clk_hw_register(qmp->dev, &qmp->dp_link_hw); |
| if (ret < 0) { |
| dev_err(qmp->dev, "link clk reg fail ret=%d\n", ret); |
| return ret; |
| } |
| |
| snprintf(name, sizeof(name), "%s::vco_div_clk", dev_name(qmp->dev)); |
| init.ops = &qmp_dp_pixel_clk_ops; |
| init.name = name; |
| qmp->dp_pixel_hw.init = &init; |
| ret = devm_clk_hw_register(qmp->dev, &qmp->dp_pixel_hw); |
| if (ret) { |
| dev_err(qmp->dev, "pxl clk reg fail ret=%d\n", ret); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static void phy_clk_release_provider(void *res) |
| { |
| of_clk_del_provider(res); |
| } |
| |
| static int qmp_usbc_register_clocks(struct qmp_usbc *qmp, struct device_node *np) |
| { |
| struct clk_fixed_rate *fixed = &qmp->pipe_clk_fixed; |
| int ret; |
| |
| ret = phy_pipe_clk_register(qmp, np); |
| if (ret) |
| return ret; |
| |
| if (qmp->dp_serdes != 0) { |
| ret = phy_dp_clks_register(qmp, np); |
| if (ret) |
| return ret; |
| } |
| |
| if (np == qmp->dev->of_node) |
| return devm_of_clk_add_hw_provider(qmp->dev, qmp_usbc_clks_hw_get, qmp); |
| |
| ret = of_clk_add_hw_provider(np, of_clk_hw_simple_get, &fixed->hw); |
| if (ret) |
| return ret; |
| |
| /* |
| * Roll a devm action because the clock provider is the child node, but |
| * the child node is not actually a device. |
| */ |
| return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np); |
| } |
| |
| #if IS_ENABLED(CONFIG_TYPEC) |
| static int qmp_usbc_typec_switch_set(struct typec_switch_dev *sw, |
| enum typec_orientation orientation) |
| { |
| struct qmp_usbc *qmp = typec_switch_get_drvdata(sw); |
| |
| if (orientation == qmp->orientation || orientation == TYPEC_ORIENTATION_NONE) |
| return 0; |
| |
| mutex_lock(&qmp->phy_mutex); |
| qmp->orientation = orientation; |
| |
| if (qmp->usb_init_count) { |
| qmp_usbc_usb_power_off(qmp->usb_phy); |
| qmp_usbc_com_exit(qmp->usb_phy); |
| |
| qmp_usbc_com_init(qmp->usb_phy); |
| qmp_usbc_set_phy_mode(qmp, false); |
| qmp_usbc_usb_power_on(qmp->usb_phy); |
| } |
| |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return 0; |
| } |
| |
| static void qmp_usbc_typec_unregister(void *data) |
| { |
| struct qmp_usbc *qmp = data; |
| |
| typec_switch_unregister(qmp->sw); |
| } |
| |
| static int qmp_usbc_typec_switch_register(struct qmp_usbc *qmp) |
| { |
| struct typec_switch_desc sw_desc = {}; |
| struct device *dev = qmp->dev; |
| |
| sw_desc.drvdata = qmp; |
| sw_desc.fwnode = dev->fwnode; |
| sw_desc.set = qmp_usbc_typec_switch_set; |
| qmp->sw = typec_switch_register(dev, &sw_desc); |
| if (IS_ERR(qmp->sw)) { |
| dev_err(dev, "Unable to register typec switch: %pe\n", qmp->sw); |
| return PTR_ERR(qmp->sw); |
| } |
| |
| return devm_add_action_or_reset(dev, qmp_usbc_typec_unregister, qmp); |
| } |
| #else |
| static int qmp_usbc_typec_switch_register(struct qmp_usbc *qmp) |
| { |
| return 0; |
| } |
| #endif |
| |
| static int qmp_usbc_parse_dt_legacy(struct qmp_usbc *qmp, struct device_node *np) |
| { |
| struct platform_device *pdev = to_platform_device(qmp->dev); |
| struct device *dev = qmp->dev; |
| int ret; |
| |
| 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); |
| |
| 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); |
| if (IS_ERR(qmp->pcs_misc)) { |
| dev_vdbg(dev, "PHY pcs_misc-reg not used\n"); |
| qmp->pcs_misc = NULL; |
| } |
| |
| qmp->pipe_clk = devm_get_clk_from_child(dev, np, NULL); |
| if (IS_ERR(qmp->pipe_clk)) { |
| return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk), |
| "failed to get pipe clock\n"); |
| } |
| |
| ret = devm_clk_bulk_get_all(qmp->dev, &qmp->clks); |
| if (ret < 0) |
| return ret; |
| |
| qmp->num_clks = ret; |
| |
| ret = qmp_usbc_reset_init(qmp, usb3phy_legacy_reset_l, |
| ARRAY_SIZE(usb3phy_legacy_reset_l)); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_parse_dt(struct qmp_usbc *qmp) |
| { |
| struct platform_device *pdev = to_platform_device(qmp->dev); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| const struct qmp_usbc_offsets *offs = cfg->offsets; |
| struct device *dev = qmp->dev; |
| void __iomem *base; |
| int ret; |
| |
| if (!offs) |
| return -EINVAL; |
| |
| base = devm_platform_ioremap_resource(pdev, 0); |
| if (IS_ERR(base)) |
| return PTR_ERR(base); |
| |
| if (offs->dp_serdes != 0) { |
| qmp->dp_serdes = base + offs->dp_serdes; |
| qmp->dp_tx = base + offs->dp_txa; |
| qmp->dp_tx2 = base + offs->dp_txb; |
| qmp->dp_dp_phy = base + offs->dp_dp_phy; |
| } |
| |
| qmp->serdes = base + offs->serdes; |
| qmp->pcs = base + offs->pcs; |
| if (offs->pcs_misc) |
| qmp->pcs_misc = base + offs->pcs_misc; |
| qmp->tx = base + offs->tx; |
| qmp->rx = base + offs->rx; |
| |
| qmp->tx2 = base + offs->tx2; |
| qmp->rx2 = base + offs->rx2; |
| |
| ret = qmp_usbc_clk_init(qmp); |
| if (ret) |
| return ret; |
| |
| qmp->pipe_clk = devm_clk_get(dev, "pipe"); |
| if (IS_ERR(qmp->pipe_clk)) { |
| return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk), |
| "failed to get pipe clock\n"); |
| } |
| |
| ret = qmp_usbc_reset_init(qmp, cfg->reset_list, cfg->num_resets); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int qmp_usbc_parse_tcsr(struct qmp_usbc *qmp) |
| { |
| struct of_phandle_args tcsr_args; |
| struct device *dev = qmp->dev; |
| int ret, args_count; |
| |
| args_count = of_property_count_u32_elems(dev->of_node, "qcom,tcsr-reg"); |
| args_count = args_count - 1; |
| ret = of_parse_phandle_with_fixed_args(dev->of_node, "qcom,tcsr-reg", |
| args_count, 0, &tcsr_args); |
| if (ret == -ENOENT) |
| return 0; |
| else if (ret < 0) |
| return dev_err_probe(dev, ret, "Failed to parse qcom,tcsr-reg\n"); |
| |
| qmp->tcsr_map = syscon_node_to_regmap(tcsr_args.np); |
| of_node_put(tcsr_args.np); |
| if (IS_ERR(qmp->tcsr_map)) |
| return PTR_ERR(qmp->tcsr_map); |
| |
| qmp->vls_clamp_reg = tcsr_args.args[0]; |
| |
| if (args_count > 1) |
| qmp->dp_phy_mode_reg = tcsr_args.args[1]; |
| |
| return 0; |
| } |
| |
| static struct phy *qmp_usbc_phy_xlate(struct device *dev, const struct of_phandle_args *args) |
| { |
| struct qmp_usbc *qmp = dev_get_drvdata(dev); |
| |
| if (args->args_count == 0) |
| return qmp->usb_phy; |
| |
| switch (args->args[0]) { |
| case QMP_USB43DP_USB3_PHY: |
| return qmp->usb_phy; |
| case QMP_USB43DP_DP_PHY: |
| return qmp->dp_phy ?: ERR_PTR(-ENODEV); |
| } |
| |
| return ERR_PTR(-EINVAL); |
| } |
| |
| static int qmp_usbc_probe(struct platform_device *pdev) |
| { |
| struct device *dev = &pdev->dev; |
| struct phy_provider *phy_provider; |
| struct device_node *np; |
| struct qmp_usbc *qmp; |
| int ret; |
| |
| qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL); |
| if (!qmp) |
| return -ENOMEM; |
| |
| qmp->dev = dev; |
| dev_set_drvdata(dev, qmp); |
| |
| qmp->orientation = TYPEC_ORIENTATION_NORMAL; |
| |
| qmp->cfg = of_device_get_match_data(dev); |
| if (!qmp->cfg) |
| return -EINVAL; |
| |
| mutex_init(&qmp->phy_mutex); |
| |
| ret = devm_regulator_bulk_get_const(qmp->dev, qmp->cfg->num_vregs, |
| qmp->cfg->vreg_list, &qmp->vregs); |
| if (ret) |
| return ret; |
| |
| ret = qmp_usbc_typec_switch_register(qmp); |
| if (ret) |
| return ret; |
| |
| ret = qmp_usbc_parse_tcsr(qmp); |
| if (ret) |
| return ret; |
| |
| /* Check for legacy binding with child node. */ |
| np = of_get_child_by_name(dev->of_node, "phy"); |
| if (np) { |
| ret = qmp_usbc_parse_dt_legacy(qmp, np); |
| } else { |
| np = of_node_get(dev->of_node); |
| ret = qmp_usbc_parse_dt(qmp); |
| } |
| if (ret) |
| goto err_node_put; |
| |
| pm_runtime_set_active(dev); |
| ret = devm_pm_runtime_enable(dev); |
| if (ret) |
| goto err_node_put; |
| /* |
| * Prevent runtime pm from being ON by default. Users can enable |
| * it using power/control in sysfs. |
| */ |
| pm_runtime_forbid(dev); |
| |
| ret = qmp_usbc_register_clocks(qmp, np); |
| if (ret) |
| goto err_node_put; |
| |
| qmp->usb_phy = devm_phy_create(dev, np, &qmp_usbc_usb_phy_ops); |
| if (IS_ERR(qmp->usb_phy)) { |
| ret = PTR_ERR(qmp->usb_phy); |
| dev_err(dev, "failed to create PHY: %d\n", ret); |
| goto err_node_put; |
| } |
| |
| phy_set_drvdata(qmp->usb_phy, qmp); |
| |
| if (qmp->dp_serdes != 0) { |
| qmp->dp_phy = devm_phy_create(dev, np, &qmp_usbc_dp_phy_ops); |
| if (IS_ERR(qmp->dp_phy)) { |
| ret = PTR_ERR(qmp->dp_phy); |
| dev_err(dev, "failed to create PHY: %d\n", ret); |
| goto err_node_put; |
| } |
| phy_set_drvdata(qmp->dp_phy, qmp); |
| } |
| |
| of_node_put(np); |
| |
| phy_provider = devm_of_phy_provider_register(dev, qmp_usbc_phy_xlate); |
| |
| return PTR_ERR_OR_ZERO(phy_provider); |
| |
| err_node_put: |
| of_node_put(np); |
| return ret; |
| } |
| |
| static const struct of_device_id qmp_usbc_of_match_table[] = { |
| { |
| .compatible = "qcom,msm8998-qmp-usb3-phy", |
| .data = &msm8998_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,qcm2290-qmp-usb3-phy", |
| .data = &qcm2290_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,qcs615-qmp-usb3-dp-phy", |
| .data = &qcs615_usb3dp_phy_cfg, |
| }, { |
| .compatible = "qcom,qcs615-qmp-usb3-phy", |
| .data = &qcs615_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sdm660-qmp-usb3-phy", |
| .data = &sdm660_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sm6115-qmp-usb3-phy", |
| .data = &qcm2290_usb3phy_cfg, |
| }, |
| { }, |
| }; |
| MODULE_DEVICE_TABLE(of, qmp_usbc_of_match_table); |
| |
| static struct platform_driver qmp_usbc_driver = { |
| .probe = qmp_usbc_probe, |
| .driver = { |
| .name = "qcom-qmp-usbc-phy", |
| .pm = &qmp_usbc_pm_ops, |
| .of_match_table = qmp_usbc_of_match_table, |
| }, |
| }; |
| |
| module_platform_driver(qmp_usbc_driver); |
| |
| MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>"); |
| MODULE_DESCRIPTION("Qualcomm QMP USB-C PHY driver"); |
| MODULE_LICENSE("GPL"); |