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phy: qcom-qmp: Add SM8150 QMP USB3 PHY support

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Add support for SM8150 QMP USB3 PHY with the necessary
initialization sequences as well as additional QMP V4
register definitions.

Signed-off-by: Jack Pham <jackp@codeaurora.org>
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Reviewed-by: Manu Gautam <mgautam@codeaurora.org>
Link: https://lore.kernel.org/r/1588636467-23409-4-git-send-email-wcheng@codeaurora.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Jack Pham
2020-05-04 16:54:25 -07:00
committed by Vinod Koul
parent 51e8114f80
commit 9a24b929d3
2 changed files with 348 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

152
drivers/phy/qualcomm/phy-qcom-qmp.c
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@@ -177,6 +177,12 @@ static const unsigned int sdm845_qhp_pciephy_regs_layout[] = {
[QPHY_PCS_STATUS] = 0x2ac,
};
static const unsigned int qmp_v4_usb3phy_regs_layout[] = {
[QPHY_SW_RESET] = 0x00,
[QPHY_START_CTRL] = 0x44,
[QPHY_PCS_STATUS] = 0x14,
};
static const unsigned int sdm845_ufsphy_regs_layout[] = {
[QPHY_START_CTRL] = 0x00,
[QPHY_PCS_READY_STATUS] = 0x160,
@@ -1281,6 +1287,114 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V4_MULTI_LANE_CTRL1, 0x02),
};
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),
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),
};
/* struct qmp_phy_cfg - per-PHY initialization config */
struct qmp_phy_cfg {
/* phy-type - PCIE/UFS/USB */
@@ -1445,6 +1559,10 @@ static const char * const sdm845_pciephy_clk_l[] = {
"aux", "cfg_ahb", "ref", "refgen",
};
static const char * const qmp_v4_phy_clk_l[] = {
"aux", "ref_clk_src", "ref", "com_aux",
};
static const char * const sdm845_ufs_phy_clk_l[] = {
"ref", "ref_aux",
};
@@ -1798,6 +1916,37 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
.type = PHY_TYPE_USB3,
.nlanes = 1,
.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),
.clk_list = qmp_v4_phy_clk_l,
.num_clks = ARRAY_SIZE(qmp_v4_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,
.start_ctrl = SERDES_START | PCS_START,
.pwrdn_ctrl = SW_PWRDN,
.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,
.is_dual_lane_phy = true,
};
static void qcom_qmp_phy_configure(void __iomem *base,
const unsigned int *regs,
const struct qmp_phy_init_tbl tbl[],
@@ -2539,6 +2688,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
}, {
.compatible = "qcom,sm8250-qmp-ufs-phy",
.data = &sm8150_ufsphy_cfg,
}, {
.compatible = "qcom,sm8150-qmp-usb3-phy",
.data = &sm8150_usb3phy_cfg,
},
{ },
};