| // 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" |
| #include "phy-qcom-qmp-pcs-misc-v3.h" |
| #include "phy-qcom-qmp-pcs-usb-v4.h" |
| #include "phy-qcom-qmp-pcs-usb-v5.h" |
| |
| #include "phy-qcom-qmp-dp-com-v3.h" |
| |
| /* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */ |
| /* DP PHY soft reset */ |
| #define SW_DPPHY_RESET BIT(0) |
| /* mux to select DP PHY reset control, 0:HW control, 1: software reset */ |
| #define SW_DPPHY_RESET_MUX BIT(1) |
| /* USB3 PHY soft reset */ |
| #define SW_USB3PHY_RESET BIT(2) |
| /* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */ |
| #define SW_USB3PHY_RESET_MUX BIT(3) |
| |
| /* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */ |
| #define USB3_MODE BIT(0) /* enables USB3 mode */ |
| #define DP_MODE BIT(1) /* enables DP mode */ |
| |
| #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_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_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = { |
| [QPHY_SW_RESET] = QPHY_V4_PCS_SW_RESET, |
| [QPHY_START_CTRL] = QPHY_V4_PCS_START_CONTROL, |
| [QPHY_PCS_STATUS] = QPHY_V4_PCS_PCS_STATUS1, |
| [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V4_PCS_POWER_DOWN_CONTROL, |
| |
| /* In PCS_USB */ |
| [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V4_PCS_USB3_AUTONOMOUS_MODE_CTRL, |
| [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V4_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR, |
| }; |
| |
| static const unsigned int qmp_v5_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = { |
| [QPHY_SW_RESET] = QPHY_V5_PCS_SW_RESET, |
| [QPHY_START_CTRL] = QPHY_V5_PCS_START_CONTROL, |
| [QPHY_PCS_STATUS] = QPHY_V5_PCS_PCS_STATUS1, |
| [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V5_PCS_POWER_DOWN_CONTROL, |
| |
| /* In PCS_USB */ |
| [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V5_PCS_USB3_AUTONOMOUS_MODE_CTRL, |
| [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V5_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR, |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x16), |
| 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_SYSCLK_BUF_ENABLE, 0x0a), |
| 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 qmp_v3_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_RX, 0x09), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v3_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, 0x77), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80), |
| 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_UCDR_SO_SATURATION_AND_ENABLE, 0x75), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = { |
| /* FLL settings */ |
| 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), |
| |
| /* Lock Det settings */ |
| 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_RX_SIGDET_LVL, 0xba), |
| 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, 0x1d), |
| 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_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04), |
| 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_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 sm8150_usb3_serdes_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0xde), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x07), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_IPTRIM, 0x20), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x1a), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x14), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x34), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x34), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x82), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x82), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0xab), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0xea), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xea), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0x24), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xca), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x1e), |
| QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8150_usb3_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x20), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8150_usb3_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x05), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0e), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a), |
| 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_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xbf), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xbf), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x3f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x94), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x0b), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb3), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8150_usb3_pcs_tbl[] = { |
| /* Lock Det settings */ |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13), |
| |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8150_usb3_pcs_usb_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8250_usb3_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x60), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x60), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5), |
| QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12), |
| QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x40, 1), |
| QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x54, 2), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8250_usb3_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a), |
| 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_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e), |
| QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0xff, 1), |
| QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f, 2), |
| QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f, 1), |
| QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff, 2), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x97), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f), |
| QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8250_usb3_pcs_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8250_usb3_pcs_usb_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8350_usb3_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_TX, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_RX, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x16), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x0e), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0x35), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_3, 0x3f), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_4, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_5, 0x3f), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_RCV_DETECT_LVL_2, 0x12), |
| QMP_PHY_INIT_CFG(QSERDES_V5_TX_PI_QEC_CTRL, 0x21), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8350_usb3_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x05), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0x99), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH1, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH2, 0x08), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN1, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN2, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL1, 0x54), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a), |
| 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_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_CNTRL, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_DEGLITCH_CNTRL, 0x0e), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0xbb), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0x7b), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xbb), |
| QMP_PHY_INIT_CFG_LANE(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3d, 1), |
| QMP_PHY_INIT_CFG_LANE(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3c, 2), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0xdb), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0x64), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0x24), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xd2), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH3, 0x13), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0xa9), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_EN_TIMER, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_AUX_DATA_TCOARSE_TFINE, 0xa0), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_DCC_CTRL1, 0x0c), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_GM_CAL, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_V5_RX_VTH_CODE, 0x10), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8350_usb3_pcs_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b), |
| QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10), |
| }; |
| |
| static const struct qmp_phy_init_tbl sm8350_usb3_pcs_usb_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RCVR_DTCT_DLY_U3_L, 0x40), |
| QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RCVR_DTCT_DLY_U3_H, 0x00), |
| QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8), |
| QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07), |
| }; |
| |
| struct qmp_usb_legacy_offsets { |
| u16 serdes; |
| u16 pcs; |
| u16 pcs_usb; |
| u16 tx; |
| u16 rx; |
| }; |
| |
| /* struct qmp_phy_cfg - per-PHY initialization config */ |
| struct qmp_phy_cfg { |
| const struct qmp_usb_legacy_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; |
| const struct qmp_phy_init_tbl *pcs_usb_tbl; |
| int pcs_usb_tbl_num; |
| |
| /* clock ids to be requested */ |
| const char * const *clk_list; |
| int num_clks; |
| /* resets to be requested */ |
| const char * const *reset_list; |
| int num_resets; |
| /* regulators to be requested */ |
| const char * const *vreg_list; |
| int num_vregs; |
| |
| /* array of registers with different offsets */ |
| const unsigned int *regs; |
| |
| /* Offset from PCS to PCS_USB region */ |
| unsigned int pcs_usb_offset; |
| }; |
| |
| struct qmp_usb { |
| struct device *dev; |
| |
| const struct qmp_phy_cfg *cfg; |
| |
| void __iomem *serdes; |
| void __iomem *pcs; |
| void __iomem *pcs_misc; |
| void __iomem *pcs_usb; |
| void __iomem *tx; |
| void __iomem *rx; |
| void __iomem *tx2; |
| void __iomem *rx2; |
| |
| void __iomem *dp_com; |
| |
| struct clk *pipe_clk; |
| struct clk_bulk_data *clks; |
| struct reset_control_bulk_data *resets; |
| struct regulator_bulk_data *vregs; |
| |
| enum phy_mode mode; |
| |
| struct phy *phy; |
| |
| struct clk_fixed_rate pipe_clk_fixed; |
| }; |
| |
| 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_v3_phy_clk_l[] = { |
| "aux", "cfg_ahb", "ref", "com_aux", |
| }; |
| |
| static const char * const qmp_v4_ref_phy_clk_l[] = { |
| "aux", "ref_clk_src", "ref", "com_aux", |
| }; |
| |
| /* the primary usb3 phy on sm8250 doesn't have a ref clock */ |
| static const char * const qmp_v4_sm8250_usbphy_clk_l[] = { |
| "aux", "ref_clk_src", "com_aux" |
| }; |
| |
| /* list of resets */ |
| static const char * const msm8996_usb3phy_reset_l[] = { |
| "phy", "common", |
| }; |
| |
| static const char * const sc7180_usb3phy_reset_l[] = { |
| "phy", |
| }; |
| |
| /* list of regulators */ |
| static const char * const qmp_phy_vreg_l[] = { |
| "vdda-phy", "vdda-pll", |
| }; |
| |
| static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = { |
| .serdes_tbl = qmp_v3_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl), |
| .tx_tbl = qmp_v3_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_tx_tbl), |
| .rx_tbl = qmp_v3_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_rx_tbl), |
| .pcs_tbl = qmp_v3_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl), |
| .clk_list = qmp_v3_phy_clk_l, |
| .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l), |
| .reset_list = msm8996_usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), |
| .vreg_list = qmp_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), |
| .regs = qmp_v3_usb3phy_regs_layout, |
| }; |
| |
| static const struct qmp_phy_cfg sc7180_usb3phy_cfg = { |
| .serdes_tbl = qmp_v3_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl), |
| .tx_tbl = qmp_v3_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_tx_tbl), |
| .rx_tbl = qmp_v3_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_rx_tbl), |
| .pcs_tbl = qmp_v3_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl), |
| .clk_list = qmp_v3_phy_clk_l, |
| .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l), |
| .reset_list = sc7180_usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(sc7180_usb3phy_reset_l), |
| .vreg_list = qmp_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), |
| .regs = qmp_v3_usb3phy_regs_layout, |
| }; |
| |
| static const struct qmp_phy_cfg sm8150_usb3phy_cfg = { |
| .serdes_tbl = sm8150_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_serdes_tbl), |
| .tx_tbl = sm8150_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(sm8150_usb3_tx_tbl), |
| .rx_tbl = sm8150_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(sm8150_usb3_rx_tbl), |
| .pcs_tbl = sm8150_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(sm8150_usb3_pcs_tbl), |
| .pcs_usb_tbl = sm8150_usb3_pcs_usb_tbl, |
| .pcs_usb_tbl_num = ARRAY_SIZE(sm8150_usb3_pcs_usb_tbl), |
| .clk_list = qmp_v4_ref_phy_clk_l, |
| .num_clks = ARRAY_SIZE(qmp_v4_ref_phy_clk_l), |
| .reset_list = msm8996_usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), |
| .vreg_list = qmp_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), |
| .regs = qmp_v4_usb3phy_regs_layout, |
| .pcs_usb_offset = 0x300, |
| }; |
| |
| static const struct qmp_phy_cfg sm8250_usb3phy_cfg = { |
| .serdes_tbl = sm8150_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_serdes_tbl), |
| .tx_tbl = sm8250_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(sm8250_usb3_tx_tbl), |
| .rx_tbl = sm8250_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(sm8250_usb3_rx_tbl), |
| .pcs_tbl = sm8250_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(sm8250_usb3_pcs_tbl), |
| .pcs_usb_tbl = sm8250_usb3_pcs_usb_tbl, |
| .pcs_usb_tbl_num = ARRAY_SIZE(sm8250_usb3_pcs_usb_tbl), |
| .clk_list = qmp_v4_sm8250_usbphy_clk_l, |
| .num_clks = ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l), |
| .reset_list = msm8996_usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), |
| .vreg_list = qmp_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), |
| .regs = qmp_v4_usb3phy_regs_layout, |
| .pcs_usb_offset = 0x300, |
| }; |
| |
| static const struct qmp_phy_cfg sm8350_usb3phy_cfg = { |
| .serdes_tbl = sm8150_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_serdes_tbl), |
| .tx_tbl = sm8350_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(sm8350_usb3_tx_tbl), |
| .rx_tbl = sm8350_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(sm8350_usb3_rx_tbl), |
| .pcs_tbl = sm8350_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(sm8350_usb3_pcs_tbl), |
| .pcs_usb_tbl = sm8350_usb3_pcs_usb_tbl, |
| .pcs_usb_tbl_num = ARRAY_SIZE(sm8350_usb3_pcs_usb_tbl), |
| .clk_list = qmp_v4_sm8250_usbphy_clk_l, |
| .num_clks = ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l), |
| .reset_list = msm8996_usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), |
| .vreg_list = qmp_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), |
| .regs = qmp_v5_usb3phy_regs_layout, |
| .pcs_usb_offset = 0x300, |
| }; |
| |
| static void qmp_usb_legacy_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_usb_legacy_configure(void __iomem *base, |
| const struct qmp_phy_init_tbl tbl[], |
| int num) |
| { |
| qmp_usb_legacy_configure_lane(base, tbl, num, 0xff); |
| } |
| |
| static int qmp_usb_legacy_serdes_init(struct qmp_usb *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_usb_legacy_configure(serdes, serdes_tbl, serdes_tbl_num); |
| |
| return 0; |
| } |
| |
| static void qmp_usb_legacy_init_dp_com(struct phy *phy) |
| { |
| struct qmp_usb *qmp = phy_get_drvdata(phy); |
| void __iomem *dp_com = qmp->dp_com; |
| |
| qphy_setbits(dp_com, QPHY_V3_DP_COM_POWER_DOWN_CTRL, |
| SW_PWRDN); |
| /* override hardware control for reset of qmp phy */ |
| qphy_setbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, |
| SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | |
| SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); |
| |
| /* Default type-c orientation, i.e CC1 */ |
| qphy_setbits(dp_com, QPHY_V3_DP_COM_TYPEC_CTRL, 0x02); |
| |
| qphy_setbits(dp_com, QPHY_V3_DP_COM_PHY_MODE_CTRL, |
| USB3_MODE | DP_MODE); |
| |
| /* bring both QMP USB and QMP DP PHYs PCS block out of reset */ |
| qphy_clrbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL, |
| SW_DPPHY_RESET_MUX | SW_DPPHY_RESET | |
| SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET); |
| |
| qphy_clrbits(dp_com, QPHY_V3_DP_COM_SWI_CTRL, 0x03); |
| qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET); |
| } |
| |
| static int qmp_usb_legacy_init(struct phy *phy) |
| { |
| struct qmp_usb *qmp = phy_get_drvdata(phy); |
| 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 = reset_control_bulk_assert(cfg->num_resets, qmp->resets); |
| if (ret) { |
| dev_err(qmp->dev, "reset assert failed\n"); |
| goto err_disable_regulators; |
| } |
| |
| ret = reset_control_bulk_deassert(cfg->num_resets, qmp->resets); |
| if (ret) { |
| dev_err(qmp->dev, "reset deassert failed\n"); |
| goto err_disable_regulators; |
| } |
| |
| ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks); |
| if (ret) |
| goto err_assert_reset; |
| |
| qmp_usb_legacy_init_dp_com(phy); |
| |
| qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN); |
| |
| return 0; |
| |
| err_assert_reset: |
| reset_control_bulk_assert(cfg->num_resets, qmp->resets); |
| err_disable_regulators: |
| regulator_bulk_disable(cfg->num_vregs, qmp->vregs); |
| |
| return ret; |
| } |
| |
| static int qmp_usb_legacy_exit(struct phy *phy) |
| { |
| struct qmp_usb *qmp = phy_get_drvdata(phy); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| |
| reset_control_bulk_assert(cfg->num_resets, qmp->resets); |
| |
| clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| |
| regulator_bulk_disable(cfg->num_vregs, qmp->vregs); |
| |
| return 0; |
| } |
| |
| static int qmp_usb_legacy_power_on(struct phy *phy) |
| { |
| struct qmp_usb *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_usb_legacy_serdes_init(qmp); |
| |
| 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_usb_legacy_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1); |
| qmp_usb_legacy_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1); |
| |
| qmp_usb_legacy_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2); |
| qmp_usb_legacy_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2); |
| |
| qmp_usb_legacy_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num); |
| |
| usleep_range(10, 20); |
| |
| /* Pull PHY out of reset state */ |
| qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); |
| |
| /* start SerDes and Phy-Coding-Sublayer */ |
| qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START); |
| |
| status = 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_usb_legacy_power_off(struct phy *phy) |
| { |
| struct qmp_usb *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_usb_legacy_enable(struct phy *phy) |
| { |
| int ret; |
| |
| ret = qmp_usb_legacy_init(phy); |
| if (ret) |
| return ret; |
| |
| ret = qmp_usb_legacy_power_on(phy); |
| if (ret) |
| qmp_usb_legacy_exit(phy); |
| |
| return ret; |
| } |
| |
| static int qmp_usb_legacy_disable(struct phy *phy) |
| { |
| int ret; |
| |
| ret = qmp_usb_legacy_power_off(phy); |
| if (ret) |
| return ret; |
| return qmp_usb_legacy_exit(phy); |
| } |
| |
| static int qmp_usb_legacy_set_mode(struct phy *phy, enum phy_mode mode, int submode) |
| { |
| struct qmp_usb *qmp = phy_get_drvdata(phy); |
| |
| qmp->mode = mode; |
| |
| return 0; |
| } |
| |
| static const struct phy_ops qmp_usb_legacy_phy_ops = { |
| .init = qmp_usb_legacy_enable, |
| .exit = qmp_usb_legacy_disable, |
| .set_mode = qmp_usb_legacy_set_mode, |
| .owner = THIS_MODULE, |
| }; |
| |
| static void qmp_usb_legacy_enable_autonomous_mode(struct qmp_usb *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs; |
| void __iomem *pcs_misc = qmp->pcs_misc; |
| 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_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| /* Writing 1 followed by 0 clears the interrupt */ |
| qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| |
| qphy_clrbits(pcs_usb, 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_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask); |
| |
| /* Enable i/o clamp_n for autonomous mode */ |
| if (pcs_misc) |
| qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN); |
| } |
| |
| static void qmp_usb_legacy_disable_autonomous_mode(struct qmp_usb *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs; |
| void __iomem *pcs_misc = qmp->pcs_misc; |
| |
| /* Disable i/o clamp_n on resume for normal mode */ |
| if (pcs_misc) |
| qphy_setbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN); |
| |
| qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], |
| ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN); |
| |
| qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| /* Writing 1 followed by 0 clears the interrupt */ |
| qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR); |
| } |
| |
| static int __maybe_unused qmp_usb_legacy_runtime_suspend(struct device *dev) |
| { |
| struct qmp_usb *qmp = dev_get_drvdata(dev); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| |
| dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode); |
| |
| if (!qmp->phy->init_count) { |
| dev_vdbg(dev, "PHY not initialized, bailing out\n"); |
| return 0; |
| } |
| |
| qmp_usb_legacy_enable_autonomous_mode(qmp); |
| |
| clk_disable_unprepare(qmp->pipe_clk); |
| clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| |
| return 0; |
| } |
| |
| static int __maybe_unused qmp_usb_legacy_runtime_resume(struct device *dev) |
| { |
| struct qmp_usb *qmp = dev_get_drvdata(dev); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| int ret = 0; |
| |
| dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode); |
| |
| if (!qmp->phy->init_count) { |
| dev_vdbg(dev, "PHY not initialized, bailing out\n"); |
| return 0; |
| } |
| |
| ret = clk_bulk_prepare_enable(cfg->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(cfg->num_clks, qmp->clks); |
| return ret; |
| } |
| |
| qmp_usb_legacy_disable_autonomous_mode(qmp); |
| |
| return 0; |
| } |
| |
| static const struct dev_pm_ops qmp_usb_legacy_pm_ops = { |
| SET_RUNTIME_PM_OPS(qmp_usb_legacy_runtime_suspend, |
| qmp_usb_legacy_runtime_resume, NULL) |
| }; |
| |
| static int qmp_usb_legacy_vreg_init(struct qmp_usb *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_usb_legacy_reset_init(struct qmp_usb *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| struct device *dev = qmp->dev; |
| int i; |
| int ret; |
| |
| qmp->resets = devm_kcalloc(dev, cfg->num_resets, |
| sizeof(*qmp->resets), GFP_KERNEL); |
| if (!qmp->resets) |
| return -ENOMEM; |
| |
| for (i = 0; i < cfg->num_resets; i++) |
| qmp->resets[i].id = cfg->reset_list[i]; |
| |
| ret = devm_reset_control_bulk_get_exclusive(dev, cfg->num_resets, qmp->resets); |
| if (ret) |
| return dev_err_probe(dev, ret, "failed to get resets\n"); |
| |
| return 0; |
| } |
| |
| static int qmp_usb_legacy_clk_init(struct qmp_usb *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 void phy_clk_release_provider(void *res) |
| { |
| of_clk_del_provider(res); |
| } |
| |
| /* |
| * 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_usb *qmp, struct device_node *np) |
| { |
| struct clk_fixed_rate *fixed = &qmp->pipe_clk_fixed; |
| struct clk_init_data init = { }; |
| int ret; |
| |
| ret = of_property_read_string(np, "clock-output-names", &init.name); |
| if (ret) { |
| dev_err(qmp->dev, "%pOFn: No clock-output-names\n", np); |
| return ret; |
| } |
| |
| init.ops = &clk_fixed_rate_ops; |
| |
| /* controllers using QMP phys use 125MHz pipe clock interface */ |
| fixed->fixed_rate = 125000000; |
| fixed->hw.init = &init; |
| |
| ret = devm_clk_hw_register(qmp->dev, &fixed->hw); |
| if (ret) |
| return ret; |
| |
| 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); |
| } |
| |
| static int qmp_usb_legacy_parse_dt_legacy(struct qmp_usb *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); |
| |
| qmp->dp_com = devm_platform_ioremap_resource(pdev, 1); |
| if (IS_ERR(qmp->dp_com)) |
| return PTR_ERR(qmp->dp_com); |
| |
| /* |
| * 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->pcs_usb_offset) |
| qmp->pcs_usb = qmp->pcs + cfg->pcs_usb_offset; |
| |
| 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"); |
| } |
| |
| return 0; |
| } |
| |
| static int qmp_usb_legacy_parse_dt(struct qmp_usb *qmp) |
| { |
| struct platform_device *pdev = to_platform_device(qmp->dev); |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| const struct qmp_usb_legacy_offsets *offs = cfg->offsets; |
| struct device *dev = qmp->dev; |
| 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->pcs_usb = base + offs->pcs_usb; |
| qmp->tx = base + offs->tx; |
| qmp->rx = base + offs->rx; |
| |
| 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"); |
| } |
| |
| return 0; |
| } |
| |
| static int qmp_usb_legacy_probe(struct platform_device *pdev) |
| { |
| struct device *dev = &pdev->dev; |
| struct phy_provider *phy_provider; |
| struct device_node *np; |
| struct qmp_usb *qmp; |
| int ret; |
| |
| qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL); |
| if (!qmp) |
| return -ENOMEM; |
| |
| qmp->dev = dev; |
| dev_set_drvdata(dev, qmp); |
| |
| qmp->cfg = of_device_get_match_data(dev); |
| if (!qmp->cfg) |
| return -EINVAL; |
| |
| ret = qmp_usb_legacy_clk_init(qmp); |
| if (ret) |
| return ret; |
| |
| ret = qmp_usb_legacy_reset_init(qmp); |
| if (ret) |
| return ret; |
| |
| ret = qmp_usb_legacy_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_usb_legacy_parse_dt_legacy(qmp, np); |
| } else { |
| np = of_node_get(dev->of_node); |
| ret = qmp_usb_legacy_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 = phy_pipe_clk_register(qmp, np); |
| if (ret) |
| goto err_node_put; |
| |
| qmp->phy = devm_phy_create(dev, np, &qmp_usb_legacy_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_usb_legacy_of_match_table[] = { |
| { |
| .compatible = "qcom,sc7180-qmp-usb3-phy", |
| .data = &sc7180_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sc8180x-qmp-usb3-phy", |
| .data = &sm8150_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sdm845-qmp-usb3-phy", |
| .data = &qmp_v3_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sm8150-qmp-usb3-phy", |
| .data = &sm8150_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sm8250-qmp-usb3-phy", |
| .data = &sm8250_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sm8350-qmp-usb3-phy", |
| .data = &sm8350_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sm8450-qmp-usb3-phy", |
| .data = &sm8350_usb3phy_cfg, |
| }, |
| { }, |
| }; |
| MODULE_DEVICE_TABLE(of, qmp_usb_legacy_of_match_table); |
| |
| static struct platform_driver qmp_usb_legacy_driver = { |
| .probe = qmp_usb_legacy_probe, |
| .driver = { |
| .name = "qcom-qmp-usb-legacy-phy", |
| .pm = &qmp_usb_legacy_pm_ops, |
| .of_match_table = qmp_usb_legacy_of_match_table, |
| }, |
| }; |
| |
| module_platform_driver(qmp_usb_legacy_driver); |
| |
| MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>"); |
| MODULE_DESCRIPTION("Qualcomm QMP legacy USB+DP PHY driver"); |
| MODULE_LICENSE("GPL v2"); |