phy: qcom-qmp: Add QMP V4 USB3 UNIPHY

Add support for the USB3 PHY used by the secondary usb controller on sm8150

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200524021416.17049-3-jonathan@marek.ca
Signed-off-by: Vinod Koul <vkoul@kernel.org>

2 files changed, 155 insertions, 0 deletions

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 058650b0f018..753997db0317 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -199,6 +199,17 @@ static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_START_CTRL]		= 0x44,
 	[QPHY_PCS_STATUS]		= 0x14,
 	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x40,
+	[QPHY_PCS_AUTONOMOUS_MODE_CTRL]	= 0x308,
+	[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x314,
+};
+
+static const unsigned int qmp_v4_usb3_uniphy_regs_layout[QPHY_LAYOUT_SIZE] = {
+	[QPHY_SW_RESET]			= 0x00,
+	[QPHY_START_CTRL]		= 0x44,
+	[QPHY_PCS_STATUS]		= 0x14,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x40,
+	[QPHY_PCS_AUTONOMOUS_MODE_CTRL]	= 0x608,
+	[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR]  = 0x614,
 };
 
 static const unsigned int sdm845_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
@@ -1488,6 +1499,114 @@ static const struct qmp_phy_init_tbl sm8150_usb3_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
 };
 
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_serdes_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 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_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_CP_CTRL_MODE0, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0x24),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x82),
+	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_LOCK_CMP2_MODE1, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_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_CMN_IPTRIM, 0x20),
+	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_MODE1, 0xde),
+	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x07),
+	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_VCO_TUNE_MAP, 0x02),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x95),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x40),
+	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x05),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0xb8),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x37),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x2f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xef),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb3),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x0b),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
+	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_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+	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_SO_SATURATION_AND_ENABLE, 0x7f),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x08),
+	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_GM_CAL, 0x1f),
+	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_DFE_EN_TIMER, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+	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_IDAC_TSETTLE_HIGH, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x20),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+};
+
+static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_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_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_RX_SIGDET_LVL, 0xaa),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0f),
+	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_EQ_CONFIG1, 0x4b),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
+	QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
+};
+
 /* struct qmp_phy_cfg - per-PHY initialization config */
 struct qmp_phy_cfg {
 	/* phy-type - PCIE/UFS/USB */
@@ -2099,6 +2218,34 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
 	.is_dual_lane_phy	= true,
 };
 
+static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
+	.type			= PHY_TYPE_USB3,
+	.nlanes			= 1,
+
+	.serdes_tbl		= sm8150_usb3_uniphy_serdes_tbl,
+	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
+	.tx_tbl			= sm8150_usb3_uniphy_tx_tbl,
+	.tx_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_tx_tbl),
+	.rx_tbl			= sm8150_usb3_uniphy_rx_tbl,
+	.rx_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_rx_tbl),
+	.pcs_tbl		= sm8150_usb3_uniphy_pcs_tbl,
+	.pcs_tbl_num		= ARRAY_SIZE(sm8150_usb3_uniphy_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_usb3_uniphy_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,
+};
+
 static void qcom_qmp_phy_configure_lane(void __iomem *base,
 					const unsigned int *regs,
 					const struct qmp_phy_init_tbl tbl[],
@@ -2876,6 +3023,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
 	}, {
 		.compatible = "qcom,sm8150-qmp-usb3-phy",
 		.data = &sm8150_usb3phy_cfg,
+	}, {
+		.compatible = "qcom,sm8150-qmp-usb3-uni-phy",
+		.data = &sm8150_usb3_uniphy_cfg,
 	},
 	{ },
 };
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index 6d017a0c0c8d..f39f7a968228 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -363,6 +363,7 @@
 /* Only for QMP V4 PHY - TX registers */
 #define QSERDES_V4_TX_RES_CODE_LANE_TX			0x34
 #define QSERDES_V4_TX_RES_CODE_LANE_RX			0x38
+#define QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX 		0x3c
 #define QSERDES_V4_TX_LANE_MODE_1			0x84
 #define QSERDES_V4_TX_RCV_DETECT_LVL_2			0x9c
 #define QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1	0xd8
@@ -709,6 +710,10 @@
 #define QPHY_V4_PCS_USB3_SIGDET_STARTUP_TIMER_VAL	0x354
 #define QPHY_V4_PCS_USB3_TEST_CONTROL			0x358
 
+/* Only for QMP V4 PHY - UNI has 0x300 offset for PCS_USB3 regs */
+#define QPHY_V4_PCS_USB3_UNI_LFPS_DET_HIGH_COUNT_VAL	0x618
+#define QPHY_V4_PCS_USB3_UNI_RXEQTRAINING_DFE_TIME_S2	0x638
+
 /* Only for QMP V4 PHY - PCS_MISC registers */
 #define QPHY_V4_PCS_MISC_TYPEC_CTRL			0x00
 #define QPHY_V4_PCS_MISC_TYPEC_PWRDN_CTRL		0x04