| // 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 <dt-bindings/phy/phy.h> |
| |
| #include "phy-qcom-qmp.h" |
| |
| /* QPHY_SW_RESET bit */ |
| #define SW_RESET BIT(0) |
| /* QPHY_POWER_DOWN_CONTROL */ |
| #define SW_PWRDN BIT(0) |
| #define REFCLK_DRV_DSBL BIT(1) |
| /* QPHY_START_CONTROL bits */ |
| #define SERDES_START BIT(0) |
| #define PCS_START BIT(1) |
| #define PLL_READY_GATE_EN BIT(3) |
| /* QPHY_PCS_STATUS bit */ |
| #define PHYSTATUS BIT(6) |
| /* QPHY_COM_PCS_READY_STATUS bit */ |
| #define PCS_READY BIT(0) |
| |
| /* 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 */ |
| |
| /* QPHY_PCS_AUTONOMOUS_MODE_CTRL register bits */ |
| #define ARCVR_DTCT_EN BIT(0) |
| #define ALFPS_DTCT_EN BIT(1) |
| #define ARCVR_DTCT_EVENT_SEL BIT(4) |
| |
| /* QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR register bits */ |
| #define IRQ_CLEAR BIT(0) |
| |
| /* QPHY_PCS_LFPS_RXTERM_IRQ_STATUS register bits */ |
| #define RCVR_DETECT BIT(0) |
| |
| /* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */ |
| #define CLAMP_EN BIT(0) /* enables i/o clamp_n */ |
| |
| #define PHY_INIT_COMPLETE_TIMEOUT 1000 |
| #define POWER_DOWN_DELAY_US_MIN 10 |
| #define POWER_DOWN_DELAY_US_MAX 11 |
| |
| #define MAX_PROP_NAME 32 |
| |
| struct qmp_phy_init_tbl { |
| unsigned int offset; |
| unsigned int val; |
| /* |
| * register part of layout ? |
| * if yes, then offset gives index in the reg-layout |
| */ |
| int in_layout; |
| }; |
| |
| #define QMP_PHY_INIT_CFG(o, v) \ |
| { \ |
| .offset = o, \ |
| .val = v, \ |
| } |
| |
| #define QMP_PHY_INIT_CFG_L(o, v) \ |
| { \ |
| .offset = o, \ |
| .val = v, \ |
| .in_layout = 1, \ |
| } |
| |
| /* set of registers with offsets different per-PHY */ |
| enum qphy_reg_layout { |
| /* Common block control registers */ |
| QPHY_COM_SW_RESET, |
| QPHY_COM_POWER_DOWN_CONTROL, |
| QPHY_COM_START_CONTROL, |
| QPHY_COM_PCS_READY_STATUS, |
| /* PCS registers */ |
| QPHY_PLL_LOCK_CHK_DLY_TIME, |
| QPHY_FLL_CNTRL1, |
| QPHY_FLL_CNTRL2, |
| QPHY_FLL_CNT_VAL_L, |
| QPHY_FLL_CNT_VAL_H_TOL, |
| QPHY_FLL_MAN_CODE, |
| QPHY_SW_RESET, |
| QPHY_START_CTRL, |
| QPHY_PCS_READY_STATUS, |
| QPHY_PCS_AUTONOMOUS_MODE_CTRL, |
| QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR, |
| QPHY_PCS_LFPS_RXTERM_IRQ_STATUS, |
| }; |
| |
| static const unsigned int pciephy_regs_layout[] = { |
| [QPHY_COM_SW_RESET] = 0x400, |
| [QPHY_COM_POWER_DOWN_CONTROL] = 0x404, |
| [QPHY_COM_START_CONTROL] = 0x408, |
| [QPHY_COM_PCS_READY_STATUS] = 0x448, |
| [QPHY_PLL_LOCK_CHK_DLY_TIME] = 0xa8, |
| [QPHY_FLL_CNTRL1] = 0xc4, |
| [QPHY_FLL_CNTRL2] = 0xc8, |
| [QPHY_FLL_CNT_VAL_L] = 0xcc, |
| [QPHY_FLL_CNT_VAL_H_TOL] = 0xd0, |
| [QPHY_FLL_MAN_CODE] = 0xd4, |
| [QPHY_SW_RESET] = 0x00, |
| [QPHY_START_CTRL] = 0x08, |
| [QPHY_PCS_READY_STATUS] = 0x174, |
| }; |
| |
| static const unsigned int usb3phy_regs_layout[] = { |
| [QPHY_FLL_CNTRL1] = 0xc0, |
| [QPHY_FLL_CNTRL2] = 0xc4, |
| [QPHY_FLL_CNT_VAL_L] = 0xc8, |
| [QPHY_FLL_CNT_VAL_H_TOL] = 0xcc, |
| [QPHY_FLL_MAN_CODE] = 0xd0, |
| [QPHY_SW_RESET] = 0x00, |
| [QPHY_START_CTRL] = 0x08, |
| [QPHY_PCS_READY_STATUS] = 0x17c, |
| [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d4, |
| [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0d8, |
| [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x178, |
| }; |
| |
| static const unsigned int qmp_v3_usb3phy_regs_layout[] = { |
| [QPHY_SW_RESET] = 0x00, |
| [QPHY_START_CTRL] = 0x08, |
| [QPHY_PCS_READY_STATUS] = 0x174, |
| [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d8, |
| [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0dc, |
| [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170, |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x42), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x1f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x09), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x1a), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x0a), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x1f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x04), |
| 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_GAIN1_MODE0, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), |
| 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, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19), |
| QMP_PHY_INIT_CFG(QSERDES_COM_RESCODE_DIV_NUM, 0x15), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10), |
| QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_COM_RESCODE_DIV_NUM, 0x40), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8996_pcie_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), |
| QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8996_pcie_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x1c), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x01), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x00), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_BAND, 0x18), |
| QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x14), |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x19), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8996_pcie_pcs_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_RX_IDLE_DTCT_CNTRL, 0x4c), |
| QMP_PHY_INIT_CFG(QPHY_PWRUP_RESET_DLY_TIME_AUXCLK, 0x00), |
| QMP_PHY_INIT_CFG(QPHY_LP_WAKEUP_DLY_TIME_AUXCLK, 0x01), |
| |
| QMP_PHY_INIT_CFG_L(QPHY_PLL_LOCK_CHK_DLY_TIME, 0x05), |
| |
| QMP_PHY_INIT_CFG(QPHY_ENDPOINT_REFCLK_DRIVE, 0x05), |
| QMP_PHY_INIT_CFG(QPHY_POWER_DOWN_CONTROL, 0x02), |
| QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG4, 0x00), |
| QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG1, 0xa3), |
| QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M3P5DB_V0, 0x0e), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8996_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_CMN_CONFIG, 0x06), |
| 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_BG_TRIM, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x04), |
| /* PLL and Loop filter settings */ |
| 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_VCO_TUNE_CTRL, 0x00), |
| 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_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), |
| /* SSC settings */ |
| 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), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8996_usb3_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), |
| QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12), |
| QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8996_usb3_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), |
| QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x04), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4c), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xbb), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x03), |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x18), |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x16), |
| }; |
| |
| static const struct qmp_phy_init_tbl msm8996_usb3_pcs_tbl[] = { |
| /* FLL settings */ |
| QMP_PHY_INIT_CFG_L(QPHY_FLL_CNTRL2, 0x03), |
| QMP_PHY_INIT_CFG_L(QPHY_FLL_CNTRL1, 0x02), |
| QMP_PHY_INIT_CFG_L(QPHY_FLL_CNT_VAL_L, 0x09), |
| QMP_PHY_INIT_CFG_L(QPHY_FLL_CNT_VAL_H_TOL, 0x42), |
| QMP_PHY_INIT_CFG_L(QPHY_FLL_MAN_CODE, 0x85), |
| |
| /* Lock Det settings */ |
| QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG1, 0xd1), |
| QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG2, 0x1f), |
| QMP_PHY_INIT_CFG(QPHY_LOCK_DETECT_CONFIG3, 0x47), |
| QMP_PHY_INIT_CFG(QPHY_POWER_STATE_CONFIG2, 0x08), |
| }; |
| |
| static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x18), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0xf), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x1), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x0), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0x1f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x6), |
| QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0xf), |
| QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x0), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x1), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x20), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0xa), |
| QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL, 0x20), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0xa), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0xa), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x3), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55), |
| QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x0), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0xD), |
| QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xD04), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x2), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x1f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0xb), |
| 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_GAIN1_MODE0, 0x0), |
| QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), |
| QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CTRL_BY_PSM, 0x1), |
| QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0xa), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x1), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x1), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x2), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x0), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f), |
| QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19), |
| QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19), |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x7), |
| }; |
| |
| static const struct qmp_phy_init_tbl ipq8074_pcie_tx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), |
| QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x6), |
| QMP_PHY_INIT_CFG(QSERDES_TX_RES_CODE_LANE_OFFSET, 0x2), |
| QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12), |
| }; |
| |
| static const struct qmp_phy_init_tbl ipq8074_pcie_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x1c), |
| QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x14), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x1), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x0), |
| QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb), |
| QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), |
| QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x4), |
| QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x4), |
| }; |
| |
| static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = { |
| QMP_PHY_INIT_CFG(QPHY_ENDPOINT_REFCLK_DRIVE, 0x4), |
| QMP_PHY_INIT_CFG(QPHY_OSC_DTCT_ACTIONS, 0x0), |
| QMP_PHY_INIT_CFG(QPHY_PWRUP_RESET_DLY_TIME_AUXCLK, 0x40), |
| QMP_PHY_INIT_CFG(QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB, 0x0), |
| QMP_PHY_INIT_CFG(QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB, 0x40), |
| QMP_PHY_INIT_CFG(QPHY_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB, 0x0), |
| QMP_PHY_INIT_CFG(QPHY_LP_WAKEUP_DLY_TIME_AUXCLK, 0x40), |
| QMP_PHY_INIT_CFG_L(QPHY_PLL_LOCK_CHK_DLY_TIME, 0x73), |
| QMP_PHY_INIT_CFG(QPHY_RX_SIGDET_LVL, 0x99), |
| QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M6DB_V0, 0x15), |
| QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M3P5DB_V0, 0xe), |
| QMP_PHY_INIT_CFG_L(QPHY_SW_RESET, 0x0), |
| QMP_PHY_INIT_CFG_L(QPHY_START_CTRL, 0x3), |
| }; |
| |
| 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 qmp_v3_usb3_uniphy_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, 0x04), |
| 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, 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_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_uniphy_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_RX, 0x06), |
| QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_rx_tbl[] = { |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_VGA_CAL_CNTRL2, 0x0c), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x50), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0e), |
| 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, 0x1c), |
| QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75), |
| }; |
| |
| static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_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, 0xb5), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4c), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x64), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6a), |
| 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), |
| |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_REFGEN_REQ_CONFIG1, 0x21), |
| QMP_PHY_INIT_CFG(QPHY_V3_PCS_REFGEN_REQ_CONFIG2, 0x60), |
| }; |
| |
| |
| /* struct qmp_phy_cfg - per-PHY initialization config */ |
| struct qmp_phy_cfg { |
| /* phy-type - PCIE/UFS/USB */ |
| unsigned int type; |
| /* number of lanes provided by phy */ |
| int nlanes; |
| |
| /* Init sequence for PHY blocks - serdes, tx, rx, pcs */ |
| const struct qmp_phy_init_tbl *serdes_tbl; |
| int serdes_tbl_num; |
| const struct qmp_phy_init_tbl *tx_tbl; |
| int tx_tbl_num; |
| const struct qmp_phy_init_tbl *rx_tbl; |
| int rx_tbl_num; |
| const struct qmp_phy_init_tbl *pcs_tbl; |
| int pcs_tbl_num; |
| |
| /* clock ids to be requested */ |
| const char * const *clk_list; |
| int num_clks; |
| /* 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; |
| |
| unsigned int start_ctrl; |
| unsigned int pwrdn_ctrl; |
| unsigned int mask_pcs_ready; |
| unsigned int mask_com_pcs_ready; |
| |
| /* true, if PHY has a separate PHY_COM control block */ |
| bool has_phy_com_ctrl; |
| /* true, if PHY has a reset for individual lanes */ |
| bool has_lane_rst; |
| /* true, if PHY needs delay after POWER_DOWN */ |
| bool has_pwrdn_delay; |
| /* power_down delay in usec */ |
| int pwrdn_delay_min; |
| int pwrdn_delay_max; |
| |
| /* true, if PHY has a separate DP_COM control block */ |
| bool has_phy_dp_com_ctrl; |
| /* Register offset of secondary tx/rx lanes for USB DP combo PHY */ |
| unsigned int tx_b_lane_offset; |
| unsigned int rx_b_lane_offset; |
| }; |
| |
| /** |
| * struct qmp_phy - per-lane phy descriptor |
| * |
| * @phy: generic phy |
| * @tx: iomapped memory space for lane's tx |
| * @rx: iomapped memory space for lane's rx |
| * @pcs: iomapped memory space for lane's pcs |
| * @pcs_misc: iomapped memory space for lane's pcs_misc |
| * @pipe_clk: pipe lock |
| * @index: lane index |
| * @qmp: QMP phy to which this lane belongs |
| * @lane_rst: lane's reset controller |
| */ |
| struct qmp_phy { |
| struct phy *phy; |
| void __iomem *tx; |
| void __iomem *rx; |
| void __iomem *pcs; |
| void __iomem *pcs_misc; |
| struct clk *pipe_clk; |
| unsigned int index; |
| struct qcom_qmp *qmp; |
| struct reset_control *lane_rst; |
| }; |
| |
| /** |
| * struct qcom_qmp - structure holding QMP phy block attributes |
| * |
| * @dev: device |
| * @serdes: iomapped memory space for phy's serdes |
| * @dp_com: iomapped memory space for phy's dp_com control block |
| * |
| * @clks: array of clocks required by phy |
| * @resets: array of resets required by phy |
| * @vregs: regulator supplies bulk data |
| * |
| * @cfg: phy specific configuration |
| * @phys: array of per-lane phy descriptors |
| * @phy_mutex: mutex lock for PHY common block initialization |
| * @init_count: phy common block initialization count |
| * @phy_initialized: indicate if PHY has been initialized |
| * @mode: current PHY mode |
| */ |
| struct qcom_qmp { |
| struct device *dev; |
| void __iomem *serdes; |
| void __iomem *dp_com; |
| |
| struct clk_bulk_data *clks; |
| struct reset_control **resets; |
| struct regulator_bulk_data *vregs; |
| |
| const struct qmp_phy_cfg *cfg; |
| struct qmp_phy **phys; |
| |
| struct mutex phy_mutex; |
| int init_count; |
| bool phy_initialized; |
| enum phy_mode mode; |
| }; |
| |
| static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) |
| { |
| u32 reg; |
| |
| reg = readl(base + offset); |
| reg |= val; |
| writel(reg, base + offset); |
| |
| /* ensure that above write is through */ |
| readl(base + offset); |
| } |
| |
| static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val) |
| { |
| u32 reg; |
| |
| reg = readl(base + offset); |
| reg &= ~val; |
| writel(reg, base + offset); |
| |
| /* ensure that above write is through */ |
| readl(base + offset); |
| } |
| |
| /* list of clocks required by phy */ |
| static const char * const msm8996_phy_clk_l[] = { |
| "aux", "cfg_ahb", "ref", |
| }; |
| |
| static const char * const qmp_v3_phy_clk_l[] = { |
| "aux", "cfg_ahb", "ref", "com_aux", |
| }; |
| |
| /* list of resets */ |
| static const char * const msm8996_pciephy_reset_l[] = { |
| "phy", "common", "cfg", |
| }; |
| |
| static const char * const msm8996_usb3phy_reset_l[] = { |
| "phy", "common", |
| }; |
| |
| /* list of regulators */ |
| static const char * const msm8996_phy_vreg_l[] = { |
| "vdda-phy", "vdda-pll", |
| }; |
| |
| static const struct qmp_phy_cfg msm8996_pciephy_cfg = { |
| .type = PHY_TYPE_PCIE, |
| .nlanes = 3, |
| |
| .serdes_tbl = msm8996_pcie_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(msm8996_pcie_serdes_tbl), |
| .tx_tbl = msm8996_pcie_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(msm8996_pcie_tx_tbl), |
| .rx_tbl = msm8996_pcie_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(msm8996_pcie_rx_tbl), |
| .pcs_tbl = msm8996_pcie_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(msm8996_pcie_pcs_tbl), |
| .clk_list = msm8996_phy_clk_l, |
| .num_clks = ARRAY_SIZE(msm8996_phy_clk_l), |
| .reset_list = msm8996_pciephy_reset_l, |
| .num_resets = ARRAY_SIZE(msm8996_pciephy_reset_l), |
| .vreg_list = msm8996_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l), |
| .regs = pciephy_regs_layout, |
| |
| .start_ctrl = PCS_START | PLL_READY_GATE_EN, |
| .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, |
| .mask_com_pcs_ready = PCS_READY, |
| |
| .has_phy_com_ctrl = true, |
| .has_lane_rst = true, |
| .has_pwrdn_delay = true, |
| .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, |
| .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX, |
| }; |
| |
| static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { |
| .type = PHY_TYPE_USB3, |
| .nlanes = 1, |
| |
| .serdes_tbl = msm8996_usb3_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(msm8996_usb3_serdes_tbl), |
| .tx_tbl = msm8996_usb3_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(msm8996_usb3_tx_tbl), |
| .rx_tbl = msm8996_usb3_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(msm8996_usb3_rx_tbl), |
| .pcs_tbl = msm8996_usb3_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(msm8996_usb3_pcs_tbl), |
| .clk_list = msm8996_phy_clk_l, |
| .num_clks = ARRAY_SIZE(msm8996_phy_clk_l), |
| .reset_list = msm8996_usb3phy_reset_l, |
| .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), |
| .vreg_list = msm8996_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l), |
| .regs = usb3phy_regs_layout, |
| |
| .start_ctrl = SERDES_START | PCS_START, |
| .pwrdn_ctrl = SW_PWRDN, |
| .mask_pcs_ready = PHYSTATUS, |
| }; |
| |
| /* list of resets */ |
| static const char * const ipq8074_pciephy_reset_l[] = { |
| "phy", "common", |
| }; |
| |
| static const struct qmp_phy_cfg ipq8074_pciephy_cfg = { |
| .type = PHY_TYPE_PCIE, |
| .nlanes = 1, |
| |
| .serdes_tbl = ipq8074_pcie_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(ipq8074_pcie_serdes_tbl), |
| .tx_tbl = ipq8074_pcie_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(ipq8074_pcie_tx_tbl), |
| .rx_tbl = ipq8074_pcie_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(ipq8074_pcie_rx_tbl), |
| .pcs_tbl = ipq8074_pcie_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(ipq8074_pcie_pcs_tbl), |
| .clk_list = NULL, |
| .num_clks = 0, |
| .reset_list = ipq8074_pciephy_reset_l, |
| .num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l), |
| .vreg_list = NULL, |
| .num_vregs = 0, |
| .regs = pciephy_regs_layout, |
| |
| .start_ctrl = SERDES_START | PCS_START, |
| .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, |
| .mask_pcs_ready = PHYSTATUS, |
| |
| .has_phy_com_ctrl = false, |
| .has_lane_rst = false, |
| .has_pwrdn_delay = true, |
| .pwrdn_delay_min = 995, /* us */ |
| .pwrdn_delay_max = 1005, /* us */ |
| }; |
| |
| static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = { |
| .type = PHY_TYPE_USB3, |
| .nlanes = 1, |
| |
| .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 = msm8996_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l), |
| .regs = qmp_v3_usb3phy_regs_layout, |
| |
| .start_ctrl = SERDES_START | PCS_START, |
| .pwrdn_ctrl = SW_PWRDN, |
| .mask_pcs_ready = PHYSTATUS, |
| |
| .has_pwrdn_delay = true, |
| .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, |
| .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX, |
| |
| .has_phy_dp_com_ctrl = true, |
| .tx_b_lane_offset = 0x400, |
| .rx_b_lane_offset = 0x400, |
| }; |
| |
| static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = { |
| .type = PHY_TYPE_USB3, |
| .nlanes = 1, |
| |
| .serdes_tbl = qmp_v3_usb3_uniphy_serdes_tbl, |
| .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_serdes_tbl), |
| .tx_tbl = qmp_v3_usb3_uniphy_tx_tbl, |
| .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_tx_tbl), |
| .rx_tbl = qmp_v3_usb3_uniphy_rx_tbl, |
| .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_rx_tbl), |
| .pcs_tbl = qmp_v3_usb3_uniphy_pcs_tbl, |
| .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_uniphy_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 = msm8996_phy_vreg_l, |
| .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l), |
| .regs = qmp_v3_usb3phy_regs_layout, |
| |
| .start_ctrl = SERDES_START | PCS_START, |
| .pwrdn_ctrl = SW_PWRDN, |
| .mask_pcs_ready = PHYSTATUS, |
| |
| .has_pwrdn_delay = true, |
| .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN, |
| .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX, |
| }; |
| |
| static void qcom_qmp_phy_configure(void __iomem *base, |
| const unsigned int *regs, |
| const struct qmp_phy_init_tbl tbl[], |
| int num) |
| { |
| int i; |
| const struct qmp_phy_init_tbl *t = tbl; |
| |
| if (!t) |
| return; |
| |
| for (i = 0; i < num; i++, t++) { |
| if (t->in_layout) |
| writel(t->val, base + regs[t->offset]); |
| else |
| writel(t->val, base + t->offset); |
| } |
| } |
| |
| static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *serdes = qmp->serdes; |
| void __iomem *dp_com = qmp->dp_com; |
| int ret, i; |
| |
| mutex_lock(&qmp->phy_mutex); |
| if (qmp->init_count++) { |
| mutex_unlock(&qmp->phy_mutex); |
| return 0; |
| } |
| |
| /* turn on regulator supplies */ |
| ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); |
| if (ret) { |
| dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret); |
| goto err_reg_enable; |
| } |
| |
| for (i = 0; i < cfg->num_resets; i++) { |
| ret = reset_control_assert(qmp->resets[i]); |
| if (ret) { |
| dev_err(qmp->dev, "%s reset assert failed\n", |
| cfg->reset_list[i]); |
| goto err_rst_assert; |
| } |
| } |
| |
| for (i = cfg->num_resets - 1; i >= 0; i--) { |
| ret = reset_control_deassert(qmp->resets[i]); |
| if (ret) { |
| dev_err(qmp->dev, "%s reset deassert failed\n", |
| qmp->cfg->reset_list[i]); |
| goto err_rst; |
| } |
| } |
| |
| ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks); |
| if (ret) { |
| dev_err(qmp->dev, "failed to enable clks, err=%d\n", ret); |
| goto err_rst; |
| } |
| |
| if (cfg->has_phy_com_ctrl) |
| qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL], |
| SW_PWRDN); |
| |
| if (cfg->has_phy_dp_com_ctrl) { |
| 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); |
| |
| 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); |
| } |
| |
| /* Serdes configuration */ |
| qcom_qmp_phy_configure(serdes, cfg->regs, cfg->serdes_tbl, |
| cfg->serdes_tbl_num); |
| |
| if (cfg->has_phy_com_ctrl) { |
| void __iomem *status; |
| unsigned int mask, val; |
| |
| qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET], SW_RESET); |
| qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL], |
| SERDES_START | PCS_START); |
| |
| status = serdes + cfg->regs[QPHY_COM_PCS_READY_STATUS]; |
| mask = cfg->mask_com_pcs_ready; |
| |
| ret = readl_poll_timeout(status, val, (val & mask), 10, |
| PHY_INIT_COMPLETE_TIMEOUT); |
| if (ret) { |
| dev_err(qmp->dev, |
| "phy common block init timed-out\n"); |
| goto err_com_init; |
| } |
| } |
| |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return 0; |
| |
| err_com_init: |
| clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| err_rst: |
| while (++i < cfg->num_resets) |
| reset_control_assert(qmp->resets[i]); |
| err_rst_assert: |
| regulator_bulk_disable(cfg->num_vregs, qmp->vregs); |
| err_reg_enable: |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return ret; |
| } |
| |
| static int qcom_qmp_phy_com_exit(struct qcom_qmp *qmp) |
| { |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *serdes = qmp->serdes; |
| int i = cfg->num_resets; |
| |
| mutex_lock(&qmp->phy_mutex); |
| if (--qmp->init_count) { |
| mutex_unlock(&qmp->phy_mutex); |
| return 0; |
| } |
| |
| if (cfg->has_phy_com_ctrl) { |
| qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL], |
| SERDES_START | PCS_START); |
| qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET], |
| SW_RESET); |
| qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL], |
| SW_PWRDN); |
| } |
| |
| while (--i >= 0) |
| reset_control_assert(qmp->resets[i]); |
| |
| clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| |
| regulator_bulk_disable(cfg->num_vregs, qmp->vregs); |
| |
| mutex_unlock(&qmp->phy_mutex); |
| |
| return 0; |
| } |
| |
| /* PHY Initialization */ |
| static int qcom_qmp_phy_init(struct phy *phy) |
| { |
| struct qmp_phy *qphy = phy_get_drvdata(phy); |
| struct qcom_qmp *qmp = qphy->qmp; |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *tx = qphy->tx; |
| void __iomem *rx = qphy->rx; |
| void __iomem *pcs = qphy->pcs; |
| void __iomem *dp_com = qmp->dp_com; |
| void __iomem *status; |
| unsigned int mask, val; |
| int ret; |
| |
| dev_vdbg(qmp->dev, "Initializing QMP phy\n"); |
| |
| ret = qcom_qmp_phy_com_init(qmp); |
| if (ret) |
| return ret; |
| |
| if (cfg->has_lane_rst) { |
| ret = reset_control_deassert(qphy->lane_rst); |
| if (ret) { |
| dev_err(qmp->dev, "lane%d reset deassert failed\n", |
| qphy->index); |
| goto err_lane_rst; |
| } |
| } |
| |
| ret = clk_prepare_enable(qphy->pipe_clk); |
| if (ret) { |
| dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret); |
| goto err_clk_enable; |
| } |
| |
| /* Tx, Rx, and PCS configurations */ |
| qcom_qmp_phy_configure(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num); |
| /* Configuration for other LANE for USB-DP combo PHY */ |
| if (cfg->has_phy_dp_com_ctrl) |
| qcom_qmp_phy_configure(tx + cfg->tx_b_lane_offset, cfg->regs, |
| cfg->tx_tbl, cfg->tx_tbl_num); |
| |
| qcom_qmp_phy_configure(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num); |
| if (cfg->has_phy_dp_com_ctrl) |
| qcom_qmp_phy_configure(rx + cfg->rx_b_lane_offset, cfg->regs, |
| cfg->rx_tbl, cfg->rx_tbl_num); |
| |
| qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num); |
| |
| /* |
| * Pull out PHY from POWER DOWN state. |
| * This is active low enable signal to power-down PHY. |
| */ |
| qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl); |
| |
| if (cfg->has_pwrdn_delay) |
| usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max); |
| |
| /* Pull PHY out of reset state */ |
| qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); |
| if (cfg->has_phy_dp_com_ctrl) |
| qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET); |
| |
| /* start SerDes and Phy-Coding-Sublayer */ |
| qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); |
| |
| status = pcs + cfg->regs[QPHY_PCS_READY_STATUS]; |
| mask = cfg->mask_pcs_ready; |
| |
| ret = readl_poll_timeout(status, val, !(val & mask), 1, |
| PHY_INIT_COMPLETE_TIMEOUT); |
| if (ret) { |
| dev_err(qmp->dev, "phy initialization timed-out\n"); |
| goto err_pcs_ready; |
| } |
| qmp->phy_initialized = true; |
| |
| return ret; |
| |
| err_pcs_ready: |
| clk_disable_unprepare(qphy->pipe_clk); |
| err_clk_enable: |
| if (cfg->has_lane_rst) |
| reset_control_assert(qphy->lane_rst); |
| err_lane_rst: |
| qcom_qmp_phy_com_exit(qmp); |
| |
| return ret; |
| } |
| |
| static int qcom_qmp_phy_exit(struct phy *phy) |
| { |
| struct qmp_phy *qphy = phy_get_drvdata(phy); |
| struct qcom_qmp *qmp = qphy->qmp; |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| |
| clk_disable_unprepare(qphy->pipe_clk); |
| |
| /* PHY reset */ |
| qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); |
| |
| /* stop SerDes and Phy-Coding-Sublayer */ |
| qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); |
| |
| /* Put PHY into POWER DOWN state: active low */ |
| qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl); |
| |
| if (cfg->has_lane_rst) |
| reset_control_assert(qphy->lane_rst); |
| |
| qcom_qmp_phy_com_exit(qmp); |
| |
| qmp->phy_initialized = false; |
| |
| return 0; |
| } |
| |
| static int qcom_qmp_phy_set_mode(struct phy *phy, enum phy_mode mode) |
| { |
| struct qmp_phy *qphy = phy_get_drvdata(phy); |
| struct qcom_qmp *qmp = qphy->qmp; |
| |
| qmp->mode = mode; |
| |
| return 0; |
| } |
| |
| static void qcom_qmp_phy_enable_autonomous_mode(struct qmp_phy *qphy) |
| { |
| struct qcom_qmp *qmp = qphy->qmp; |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *pcs = qphy->pcs; |
| void __iomem *pcs_misc = qphy->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, 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 (pcs_misc) |
| qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN); |
| } |
| |
| static void qcom_qmp_phy_disable_autonomous_mode(struct qmp_phy *qphy) |
| { |
| struct qcom_qmp *qmp = qphy->qmp; |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| void __iomem *pcs = qphy->pcs; |
| void __iomem *pcs_misc = qphy->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, 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 qcom_qmp_phy_runtime_suspend(struct device *dev) |
| { |
| struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| struct qmp_phy *qphy = qmp->phys[0]; |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| |
| dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode); |
| |
| /* Supported only for USB3 PHY */ |
| if (cfg->type != PHY_TYPE_USB3) |
| return 0; |
| |
| if (!qmp->phy_initialized) { |
| dev_vdbg(dev, "PHY not initialized, bailing out\n"); |
| return 0; |
| } |
| |
| qcom_qmp_phy_enable_autonomous_mode(qphy); |
| |
| clk_disable_unprepare(qphy->pipe_clk); |
| clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks); |
| |
| return 0; |
| } |
| |
| static int __maybe_unused qcom_qmp_phy_runtime_resume(struct device *dev) |
| { |
| struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| struct qmp_phy *qphy = qmp->phys[0]; |
| const struct qmp_phy_cfg *cfg = qmp->cfg; |
| int ret = 0; |
| |
| dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode); |
| |
| /* Supported only for USB3 PHY */ |
| if (cfg->type != PHY_TYPE_USB3) |
| return 0; |
| |
| if (!qmp->phy_initialized) { |
| dev_vdbg(dev, "PHY not initialized, bailing out\n"); |
| return 0; |
| } |
| |
| ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks); |
| if (ret) { |
| dev_err(qmp->dev, "failed to enable clks, err=%d\n", ret); |
| return ret; |
| } |
| |
| ret = clk_prepare_enable(qphy->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; |
| } |
| |
| qcom_qmp_phy_disable_autonomous_mode(qphy); |
| |
| return 0; |
| } |
| |
| static int qcom_qmp_phy_vreg_init(struct device *dev) |
| { |
| struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| int num = qmp->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 = qmp->cfg->vreg_list[i]; |
| |
| return devm_regulator_bulk_get(dev, num, qmp->vregs); |
| } |
| |
| static int qcom_qmp_phy_reset_init(struct device *dev) |
| { |
| struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| int i; |
| |
| qmp->resets = devm_kcalloc(dev, qmp->cfg->num_resets, |
| sizeof(*qmp->resets), GFP_KERNEL); |
| if (!qmp->resets) |
| return -ENOMEM; |
| |
| for (i = 0; i < qmp->cfg->num_resets; i++) { |
| struct reset_control *rst; |
| const char *name = qmp->cfg->reset_list[i]; |
| |
| rst = devm_reset_control_get(dev, name); |
| if (IS_ERR(rst)) { |
| dev_err(dev, "failed to get %s reset\n", name); |
| return PTR_ERR(rst); |
| } |
| qmp->resets[i] = rst; |
| } |
| |
| return 0; |
| } |
| |
| static int qcom_qmp_phy_clk_init(struct device *dev) |
| { |
| struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| int num = qmp->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 = qmp->cfg->clk_list[i]; |
| |
| return devm_clk_bulk_get(dev, num, qmp->clks); |
| } |
| |
| /* |
| * 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 qcom_qmp *qmp, struct device_node *np) |
| { |
| struct clk_fixed_rate *fixed; |
| struct clk_init_data init = { }; |
| int ret; |
| |
| if ((qmp->cfg->type != PHY_TYPE_USB3) && |
| (qmp->cfg->type != PHY_TYPE_PCIE)) { |
| /* not all phys register pipe clocks, so return success */ |
| return 0; |
| } |
| |
| ret = of_property_read_string(np, "clock-output-names", &init.name); |
| if (ret) { |
| dev_err(qmp->dev, "%s: No clock-output-names\n", np->name); |
| return ret; |
| } |
| |
| fixed = devm_kzalloc(qmp->dev, sizeof(*fixed), GFP_KERNEL); |
| if (!fixed) |
| return -ENOMEM; |
| |
| 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); |
| } |
| |
| static const struct phy_ops qcom_qmp_phy_gen_ops = { |
| .init = qcom_qmp_phy_init, |
| .exit = qcom_qmp_phy_exit, |
| .set_mode = qcom_qmp_phy_set_mode, |
| .owner = THIS_MODULE, |
| }; |
| |
| static |
| int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id) |
| { |
| struct qcom_qmp *qmp = dev_get_drvdata(dev); |
| struct phy *generic_phy; |
| struct qmp_phy *qphy; |
| char prop_name[MAX_PROP_NAME]; |
| int ret; |
| |
| qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL); |
| if (!qphy) |
| return -ENOMEM; |
| |
| /* |
| * Get memory resources for each phy lane: |
| * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2; and |
| * pcs_misc (optional) -> 3. |
| */ |
| qphy->tx = of_iomap(np, 0); |
| if (!qphy->tx) |
| return -ENOMEM; |
| |
| qphy->rx = of_iomap(np, 1); |
| if (!qphy->rx) |
| return -ENOMEM; |
| |
| qphy->pcs = of_iomap(np, 2); |
| if (!qphy->pcs) |
| return -ENOMEM; |
| |
| qphy->pcs_misc = of_iomap(np, 3); |
| if (!qphy->pcs_misc) |
| dev_vdbg(dev, "PHY pcs_misc-reg not used\n"); |
| |
| /* |
| * Get PHY's Pipe clock, if any. USB3 and PCIe are PIPE3 |
| * based phys, so they essentially have pipe clock. So, |
| * we return error in case phy is USB3 or PIPE type. |
| * Otherwise, we initialize pipe clock to NULL for |
| * all phys that don't need this. |
| */ |
| snprintf(prop_name, sizeof(prop_name), "pipe%d", id); |
| qphy->pipe_clk = of_clk_get_by_name(np, prop_name); |
| if (IS_ERR(qphy->pipe_clk)) { |
| if (qmp->cfg->type == PHY_TYPE_PCIE || |
| qmp->cfg->type == PHY_TYPE_USB3) { |
| ret = PTR_ERR(qphy->pipe_clk); |
| if (ret != -EPROBE_DEFER) |
| dev_err(dev, |
| "failed to get lane%d pipe_clk, %d\n", |
| id, ret); |
| return ret; |
| } |
| qphy->pipe_clk = NULL; |
| } |
| |
| /* Get lane reset, if any */ |
| if (qmp->cfg->has_lane_rst) { |
| snprintf(prop_name, sizeof(prop_name), "lane%d", id); |
| qphy->lane_rst = of_reset_control_get(np, prop_name); |
| if (IS_ERR(qphy->lane_rst)) { |
| dev_err(dev, "failed to get lane%d reset\n", id); |
| return PTR_ERR(qphy->lane_rst); |
| } |
| } |
| |
| generic_phy = devm_phy_create(dev, np, &qcom_qmp_phy_gen_ops); |
| if (IS_ERR(generic_phy)) { |
| ret = PTR_ERR(generic_phy); |
| dev_err(dev, "failed to create qphy %d\n", ret); |
| return ret; |
| } |
| |
| qphy->phy = generic_phy; |
| qphy->index = id; |
| qphy->qmp = qmp; |
| qmp->phys[id] = qphy; |
| phy_set_drvdata(generic_phy, qphy); |
| |
| return 0; |
| } |
| |
| static const struct of_device_id qcom_qmp_phy_of_match_table[] = { |
| { |
| .compatible = "qcom,msm8996-qmp-pcie-phy", |
| .data = &msm8996_pciephy_cfg, |
| }, { |
| .compatible = "qcom,msm8996-qmp-usb3-phy", |
| .data = &msm8996_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,ipq8074-qmp-pcie-phy", |
| .data = &ipq8074_pciephy_cfg, |
| }, { |
| .compatible = "qcom,sdm845-qmp-usb3-phy", |
| .data = &qmp_v3_usb3phy_cfg, |
| }, { |
| .compatible = "qcom,sdm845-qmp-usb3-uni-phy", |
| .data = &qmp_v3_usb3_uniphy_cfg, |
| }, |
| { }, |
| }; |
| MODULE_DEVICE_TABLE(of, qcom_qmp_phy_of_match_table); |
| |
| static const struct dev_pm_ops qcom_qmp_phy_pm_ops = { |
| SET_RUNTIME_PM_OPS(qcom_qmp_phy_runtime_suspend, |
| qcom_qmp_phy_runtime_resume, NULL) |
| }; |
| |
| static int qcom_qmp_phy_probe(struct platform_device *pdev) |
| { |
| struct qcom_qmp *qmp; |
| struct device *dev = &pdev->dev; |
| struct resource *res; |
| struct device_node *child; |
| struct phy_provider *phy_provider; |
| void __iomem *base; |
| int num, id; |
| int ret; |
| |
| qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL); |
| if (!qmp) |
| return -ENOMEM; |
| |
| qmp->dev = dev; |
| dev_set_drvdata(dev, qmp); |
| |
| /* Get the specific init parameters of QMP phy */ |
| qmp->cfg = of_device_get_match_data(dev); |
| if (!qmp->cfg) |
| return -EINVAL; |
| |
| res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| base = devm_ioremap_resource(dev, res); |
| if (IS_ERR(base)) |
| return PTR_ERR(base); |
| |
| /* per PHY serdes; usually located at base address */ |
| qmp->serdes = base; |
| |
| /* per PHY dp_com; if PHY has dp_com control block */ |
| if (qmp->cfg->has_phy_dp_com_ctrl) { |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| "dp_com"); |
| base = devm_ioremap_resource(dev, res); |
| if (IS_ERR(base)) |
| return PTR_ERR(base); |
| |
| qmp->dp_com = base; |
| } |
| |
| mutex_init(&qmp->phy_mutex); |
| |
| ret = qcom_qmp_phy_clk_init(dev); |
| if (ret) |
| return ret; |
| |
| ret = qcom_qmp_phy_reset_init(dev); |
| if (ret) |
| return ret; |
| |
| ret = qcom_qmp_phy_vreg_init(dev); |
| if (ret) { |
| dev_err(dev, "failed to get regulator supplies\n"); |
| return ret; |
| } |
| |
| num = of_get_available_child_count(dev->of_node); |
| /* do we have a rogue child node ? */ |
| if (num > qmp->cfg->nlanes) |
| return -EINVAL; |
| |
| qmp->phys = devm_kcalloc(dev, num, sizeof(*qmp->phys), GFP_KERNEL); |
| if (!qmp->phys) |
| return -ENOMEM; |
| |
| id = 0; |
| pm_runtime_set_active(dev); |
| pm_runtime_enable(dev); |
| /* |
| * Prevent runtime pm from being ON by default. Users can enable |
| * it using power/control in sysfs. |
| */ |
| pm_runtime_forbid(dev); |
| |
| for_each_available_child_of_node(dev->of_node, child) { |
| /* Create per-lane phy */ |
| ret = qcom_qmp_phy_create(dev, child, id); |
| if (ret) { |
| dev_err(dev, "failed to create lane%d phy, %d\n", |
| id, ret); |
| pm_runtime_disable(dev); |
| return ret; |
| } |
| |
| /* |
| * Register the pipe clock provided by phy. |
| * See function description to see details of this pipe clock. |
| */ |
| ret = phy_pipe_clk_register(qmp, child); |
| if (ret) { |
| dev_err(qmp->dev, |
| "failed to register pipe clock source\n"); |
| pm_runtime_disable(dev); |
| return ret; |
| } |
| id++; |
| } |
| |
| phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); |
| if (!IS_ERR(phy_provider)) |
| dev_info(dev, "Registered Qcom-QMP phy\n"); |
| else |
| pm_runtime_disable(dev); |
| |
| return PTR_ERR_OR_ZERO(phy_provider); |
| } |
| |
| static struct platform_driver qcom_qmp_phy_driver = { |
| .probe = qcom_qmp_phy_probe, |
| .driver = { |
| .name = "qcom-qmp-phy", |
| .pm = &qcom_qmp_phy_pm_ops, |
| .of_match_table = qcom_qmp_phy_of_match_table, |
| }, |
| }; |
| |
| module_platform_driver(qcom_qmp_phy_driver); |
| |
| MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>"); |
| MODULE_DESCRIPTION("Qualcomm QMP PHY driver"); |
| MODULE_LICENSE("GPL v2"); |