diff mbox series

[2/5] phy: qcom: qmp: Add phy register and clk setting for QCS615 PCIe

Message ID 20241118082619.177201-3-quic_ziyuzhan@quicinc.com
State New
Headers show
Series pci: qcom: Add QCS615 PCIe support | expand

Commit Message

Ziyue Zhang Nov. 18, 2024, 8:26 a.m. UTC 
From: Krishna chaitanya chundru <quic_krichai@quicinc.com>

Add support for GEN3 x1 PCIe PHY found on Qualcomm QCS615 platform.

Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Signed-off-by: Ziyue Zhang <quic_ziyuzhan@quicinc.com>
---
 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c   | 105 +++++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h |   1 +
 2 files changed, 106 insertions(+)
diff mbox series

Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index f71787fb4d7e..df82f95a1fa2 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -726,6 +726,83 @@  static const struct qmp_phy_init_tbl ipq9574_gen3x2_pcie_pcs_misc_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
 };
 
+static const struct qmp_phy_init_tbl qcs615_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, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x1f),
+	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, 0x9),
+	QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x4),
+	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, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x35),
+	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, 0x4),
+	QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x30),
+	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_BG_TIMER, 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),
+};
+
+static const struct qmp_phy_init_tbl qcs615_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 qcs615_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 qcs615_pcie_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_ENDPOINT_REFCLK_DRIVE, 0x4),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_OSC_DTCT_ACTIONS, 0x0),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x40),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB, 0x0),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB, 0x40),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB, 0x0),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_LP_WAKEUP_DLY_TIME_AUXCLK, 0x40),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_PLL_LOCK_CHK_DLY_TIME, 0x73),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_SIGDET_CNTRL, 0x7),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_SIGDET_LVL, 0x99),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_TXDEEMPH_M6DB_V0, 0x15),
+	QMP_PHY_INIT_CFG(QPHY_V2_PCS_TXDEEMPH_M3P5DB_V0, 0xe),
+};
+
 static const struct qmp_phy_init_tbl sdm845_qmp_pcie_serdes_tbl[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x14),
 	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
@@ -2963,6 +3040,31 @@  static const struct qmp_phy_cfg ipq9574_gen3x2_pciephy_cfg = {
 	.pipe_clock_rate	= 250000000,
 };
 
+static const struct qmp_phy_cfg qcs615_pciephy_cfg = {
+	.lanes			= 1,
+
+	.offsets		= &qmp_pcie_offsets_v2,
+
+	.tbls = {
+		.serdes		= qcs615_pcie_serdes_tbl,
+		.serdes_num	= ARRAY_SIZE(qcs615_pcie_serdes_tbl),
+		.tx		= qcs615_pcie_tx_tbl,
+		.tx_num		= ARRAY_SIZE(qcs615_pcie_tx_tbl),
+		.rx		= qcs615_pcie_rx_tbl,
+		.rx_num		= ARRAY_SIZE(qcs615_pcie_rx_tbl),
+		.pcs		= qcs615_pcie_pcs_tbl,
+		.pcs_num	= ARRAY_SIZE(qcs615_pcie_pcs_tbl),
+	},
+	.reset_list		= sdm845_pciephy_reset_l,
+	.num_resets		= ARRAY_SIZE(sdm845_pciephy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= pciephy_v2_regs_layout,
+
+	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
+	.phy_status		= PHYSTATUS,
+};
+
 static const struct qmp_phy_cfg sdm845_qmp_pciephy_cfg = {
 	.lanes			= 1,
 
@@ -4400,6 +4502,9 @@  static const struct of_device_id qmp_pcie_of_match_table[] = {
 	}, {
 		.compatible = "qcom,msm8998-qmp-pcie-phy",
 		.data = &msm8998_pciephy_cfg,
+	}, {
+		.compatible = "qcom,qcs615-qmp-gen3x1-pcie-phy",
+		.data = &qcs615_pciephy_cfg,
 	}, {
 		.compatible = "qcom,sa8775p-qmp-gen4x2-pcie-phy",
 		.data = &sa8775p_qmp_gen4x2_pciephy_cfg,
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h
index bf36399d0057..1ecf4b5beba6 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h
@@ -34,6 +34,7 @@ 
 #define QPHY_V2_PCS_USB_PCS_STATUS			0x17c /* USB */
 #define QPHY_V2_PCS_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB	0x1a8
 #define QPHY_V2_PCS_OSC_DTCT_ACTIONS			0x1ac
+#define QPHY_V2_PCS_SIGDET_CNTRL			0x1b0
 #define QPHY_V2_PCS_RX_SIGDET_LVL			0x1d8
 #define QPHY_V2_PCS_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB	0x1dc
 #define QPHY_V2_PCS_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB	0x1e0