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Subject[PATCH V2 4/7] phy: qcom-qmp: Add compatible for ipq8074 PCIe Gen3 qmp phy
Date
ipq8074 has two PCIe ports, One Gen2 and one Gen3 ports.
Since support for Gen2 phy is already available, add support for
PCIe Gen3 phy.

Co-developed-by: Selvam Sathappan Periakaruppan <speriaka@codeaurora.org>
Signed-off-by: Selvam Sathappan Periakaruppan <speriaka@codeaurora.org>
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
---
[V2]
* Addressed review comments from Vinod
drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h | 139 ++++++++++++++++++++++++
drivers/phy/qualcomm/phy-qcom-qmp.c | 171 +++++++++++++++++++++++++++++-
2 files changed, 308 insertions(+), 2 deletions(-)
create mode 100644 drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h

diff --git a/drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h b/drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h
new file mode 100644
index 0000000..812ee75
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: GPL-2.0
+ */
+
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef PHY_QCOM_PCIE_H
+
+/* QMP V2 PCIE PHY - Found in IPQ8074 gen3 port - QSERDES PLL registers */
+#define QSERDES_PLL_BG_TIMER 0x00c
+#define QSERDES_PLL_SSC_PER1 0x01c
+#define QSERDES_PLL_SSC_PER2 0x020
+#define QSERDES_PLL_SSC_STEP_SIZE1_MODE0 0x024
+#define QSERDES_PLL_SSC_STEP_SIZE2_MODE0 0x028
+#define QSERDES_PLL_SSC_STEP_SIZE1_MODE1 0x02c
+#define QSERDES_PLL_SSC_STEP_SIZE2_MODE1 0x030
+#define QSERDES_PLL_BIAS_EN_CLKBUFLR_EN 0x03c
+#define QSERDES_PLL_CLK_ENABLE1 0x040
+#define QSERDES_PLL_SYS_CLK_CTRL 0x044
+#define QSERDES_PLL_SYSCLK_BUF_ENABLE 0x048
+#define QSERDES_PLL_PLL_IVCO 0x050
+#define QSERDES_PLL_LOCK_CMP1_MODE0 0x054
+#define QSERDES_PLL_LOCK_CMP2_MODE0 0x058
+#define QSERDES_PLL_LOCK_CMP1_MODE1 0x060
+#define QSERDES_PLL_LOCK_CMP2_MODE1 0x064
+#define QSERDES_PLL_BG_TRIM 0x074
+#define QSERDES_PLL_CLK_EP_DIV_MODE0 0x078
+#define QSERDES_PLL_CLK_EP_DIV_MODE1 0x07c
+#define QSERDES_PLL_CP_CTRL_MODE0 0x080
+#define QSERDES_PLL_CP_CTRL_MODE1 0x084
+#define QSERDES_PLL_PLL_RCTRL_MODE0 0x088
+#define QSERDES_PLL_PLL_RCTRL_MODE1 0x08C
+#define QSERDES_PLL_PLL_CCTRL_MODE0 0x090
+#define QSERDES_PLL_PLL_CCTRL_MODE1 0x094
+#define QSERDES_PLL_BIAS_EN_CTRL_BY_PSM 0x0a4
+#define QSERDES_PLL_SYSCLK_EN_SEL 0x0a8
+#define QSERDES_PLL_RESETSM_CNTRL 0x0b0
+#define QSERDES_PLL_LOCK_CMP_EN 0x0c4
+#define QSERDES_PLL_DEC_START_MODE0 0x0cc
+#define QSERDES_PLL_DEC_START_MODE1 0x0d0
+#define QSERDES_PLL_DIV_FRAC_START1_MODE0 0x0d8
+#define QSERDES_PLL_DIV_FRAC_START2_MODE0 0x0dc
+#define QSERDES_PLL_DIV_FRAC_START3_MODE0 0x0e0
+#define QSERDES_PLL_DIV_FRAC_START1_MODE1 0x0e4
+#define QSERDES_PLL_DIV_FRAC_START2_MODE1 0x0e8
+#define QSERDES_PLL_DIV_FRAC_START3_MODE1 0x0eC
+#define QSERDES_PLL_INTEGLOOP_GAIN0_MODE0 0x100
+#define QSERDES_PLL_INTEGLOOP_GAIN1_MODE0 0x104
+#define QSERDES_PLL_INTEGLOOP_GAIN0_MODE1 0x108
+#define QSERDES_PLL_INTEGLOOP_GAIN1_MODE1 0x10c
+#define QSERDES_PLL_VCO_TUNE_MAP 0x120
+#define QSERDES_PLL_VCO_TUNE1_MODE0 0x124
+#define QSERDES_PLL_VCO_TUNE2_MODE0 0x128
+#define QSERDES_PLL_VCO_TUNE1_MODE1 0x12c
+#define QSERDES_PLL_VCO_TUNE2_MODE1 0x130
+#define QSERDES_PLL_VCO_TUNE_TIMER1 0x13c
+#define QSERDES_PLL_VCO_TUNE_TIMER2 0x140
+#define QSERDES_PLL_CLK_SELECT 0x16c
+#define QSERDES_PLL_HSCLK_SEL 0x170
+#define QSERDES_PLL_CORECLK_DIV 0x17c
+#define QSERDES_PLL_CORE_CLK_EN 0x184
+#define QSERDES_PLL_CMN_CONFIG 0x18c
+#define QSERDES_PLL_SVS_MODE_CLK_SEL 0x194
+#define QSERDES_PLL_CORECLK_DIV_MODE1 0x1b4
+
+/* QMP V2 PCIE PHY - Found in IPQ8074 gen3 port - - QSERDES TX registers */
+#define QSERDES_TX0_RES_CODE_LANE_OFFSET_TX 0x03c
+#define QSERDES_TX0_HIGHZ_DRVR_EN 0x058
+#define QSERDES_TX0_LANE_MODE_1 0x084
+#define QSERDES_TX0_RCV_DETECT_LVL_2 0x09c
+
+/* QMP V2 PCIE PHY - Found in IPQ8074 gen3 port - QSERDES RX registers */
+#define QSERDES_RX0_UCDR_FO_GAIN 0x008
+#define QSERDES_RX0_UCDR_SO_GAIN 0x014
+#define QSERDES_RX0_UCDR_SO_SATURATION_AND_ENABLE 0x034
+#define QSERDES_RX0_UCDR_PI_CONTROLS 0x044
+#define QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL2 0x0ec
+#define QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL3 0x0f0
+#define QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL4 0x0f4
+#define QSERDES_RX0_RX_IDAC_TSETTLE_LOW 0x0f8
+#define QSERDES_RX0_RX_IDAC_TSETTLE_HIGH 0x0fc
+#define QSERDES_RX0_RX_EQ_OFFSET_ADAPTOR_CNTRL1 0x110
+#define QSERDES_RX0_RX_OFFSET_ADAPTOR_CNTRL2 0x114
+#define QSERDES_RX0_SIGDET_ENABLES 0x118
+#define QSERDES_RX0_SIGDET_CNTRL 0x11c
+#define QSERDES_RX0_SIGDET_DEGLITCH_CNTRL 0x124
+#define QSERDES_RX0_RX_MODE_00_LOW 0x170
+#define QSERDES_RX0_RX_MODE_00_HIGH 0x174
+#define QSERDES_RX0_RX_MODE_00_HIGH2 0x178
+#define QSERDES_RX0_RX_MODE_00_HIGH3 0x17c
+#define QSERDES_RX0_RX_MODE_00_HIGH4 0x180
+#define QSERDES_RX0_RX_MODE_01_LOW 0x184
+#define QSERDES_RX0_RX_MODE_01_HIGH 0x188
+#define QSERDES_RX0_RX_MODE_01_HIGH2 0x18c
+#define QSERDES_RX0_RX_MODE_01_HIGH3 0x190
+#define QSERDES_RX0_RX_MODE_01_HIGH4 0x194
+#define QSERDES_RX0_RX_MODE_10_LOW 0x198
+#define QSERDES_RX0_RX_MODE_10_HIGH 0x19c
+#define QSERDES_RX0_RX_MODE_10_HIGH2 0x1a0
+#define QSERDES_RX0_RX_MODE_10_HIGH3 0x1a4
+#define QSERDES_RX0_RX_MODE_10_HIGH4 0x1a8
+#define QSERDES_RX0_DFE_EN_TIMER 0x1b4
+
+/* QMP V2 PCIE PHY - Found in IPQ8074 gen3 port - PCS registers */
+
+#define PCS_COM_FLL_CNTRL1 0x098
+#define PCS_COM_FLL_CNTRL2 0x09c
+#define PCS_COM_FLL_CNT_VAL_L 0x0a0
+#define PCS_COM_FLL_CNT_VAL_H_TOL 0x0a4
+#define PCS_COM_FLL_MAN_CODE 0x0a8
+#define PCS_COM_REFGEN_REQ_CONFIG1 0x0dc
+#define PCS_COM_G12S1_TXDEEMPH_M3P5DB 0x16c
+#define PCS_COM_RX_SIGDET_LVL 0x188
+#define PCS_COM_P2U3_WAKEUP_DLY_TIME_AUXCLK_L 0x1a4
+#define PCS_COM_P2U3_WAKEUP_DLY_TIME_AUXCLK_H 0x1a8
+#define PCS_COM_RX_DCC_CAL_CONFIG 0x1d8
+#define PCS_COM_EQ_CONFIG5 0x1ec
+
+/* QMP V2 PCIE PHY - Found in IPQ8074 gen3 port - PCS Misc registers */
+
+#define PCS_PCIE_POWER_STATE_CONFIG2 0x40c
+#define PCS_PCIE_POWER_STATE_CONFIG4 0x414
+#define PCS_PCIE_ENDPOINT_REFCLK_DRIVE 0x41c
+#define PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L 0x440
+#define PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_H 0x444
+#define PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L 0x448
+#define PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_H 0x44c
+#define PCS_PCIE_OSC_DTCT_CONFIG2 0x45c
+#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG2 0x478
+#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG4 0x480
+#define PCS_PCIE_OSC_DTCT_MODE2_CONFIG5 0x484
+#define PCS_PCIE_OSC_DTCT_ACTIONS 0x490
+#define PCS_PCIE_EQ_CONFIG1 0x4a0
+#define PCS_PCIE_EQ_CONFIG2 0x4a4
+#define PCS_PCIE_PRESET_P10_PRE 0x4bc
+#define PCS_PCIE_PRESET_P10_POST 0x4e0
+
+#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 6e6f992..645f604 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -23,6 +23,7 @@
#include <dt-bindings/phy/phy.h>

#include "phy-qcom-qmp.h"
+#include "phy-qcom-pcie3-qmp.h"

/* QPHY_SW_RESET bit */
#define SW_RESET BIT(0)
@@ -676,6 +677,132 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = {
QMP_PHY_INIT_CFG_L(QPHY_START_CTRL, 0x3),
};

+static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_PLL_BIAS_EN_CLKBUFLR_EN, 0x18),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_BIAS_EN_CTRL_BY_PSM, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_SELECT, 0x31),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_IVCO, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_BG_TRIM, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CMN_CONFIG, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP_EN, 0x42),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_RESETSM_CNTRL, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SVS_MODE_CLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE_MAP, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SVS_MODE_CLK_SEL, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE_TIMER1, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE_TIMER2, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORE_CLK_EN, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_HSCLK_SEL, 0x21),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DEC_START_MODE0, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START3_MODE0, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START2_MODE0, 0x355),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START1_MODE0, 0x35555),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP2_MODE0, 0x1a),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP1_MODE0, 0x1a0a),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CP_CTRL_MODE0, 0xb),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_CCTRL_MODE0, 0x28),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN1_MODE0, 0x0),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN0_MODE0, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE2_MODE0, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE1_MODE0, 0x24),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SVS_MODE_CLK_SEL, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORE_CLK_EN, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORECLK_DIV, 0xa),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_SELECT, 0x32),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SYS_CLK_CTRL, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SYSCLK_BUF_ENABLE, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SYSCLK_EN_SEL, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_BG_TIMER, 0xa),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_HSCLK_SEL, 0x1),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DEC_START_MODE1, 0x68),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START3_MODE1, 0x2),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START2_MODE1, 0x2aa),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_DIV_FRAC_START1_MODE1, 0x2aaab),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_ENABLE1, 0x90),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP2_MODE1, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_LOCK_CMP1_MODE1, 0x3414),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CP_CTRL_MODE1, 0x0b),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_RCTRL_MODE1, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_PLL_CCTRL_MODE1, 0x28),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN1_MODE1, 0x0),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_INTEGLOOP_GAIN0_MODE1, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE2_MODE1, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_VCO_TUNE1_MODE1, 0xb4),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_SVS_MODE_CLK_SEL, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORE_CLK_EN, 0x0),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CORECLK_DIV_MODE1, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_EP_DIV_MODE0, 0x19),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_EP_DIV_MODE1, 0x28),
+ QMP_PHY_INIT_CFG(QSERDES_PLL_CLK_ENABLE1, 0x90),
+};
+
+static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_TX0_RES_CODE_LANE_OFFSET_TX, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_TX0_RCV_DETECT_LVL_2, 0x12),
+ QMP_PHY_INIT_CFG(QSERDES_TX0_HIGHZ_DRVR_EN, 0x10),
+ QMP_PHY_INIT_CFG(QSERDES_TX0_LANE_MODE_1, 0x06),
+};
+
+static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_RX0_SIGDET_CNTRL, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_SIGDET_ENABLES, 0x1c),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_SIGDET_DEGLITCH_CNTRL, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL2, 0xe),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL3, 0x4),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_EQU_ADAPTOR_CNTRL4, 0x1b),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_DFE_EN_TIMER, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_UCDR_PI_CONTROLS, 0x70),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x73),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_LOW, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_HIGH, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_HIGH2, 0xc8),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_HIGH3, 0x09),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_10_HIGH4, 0xb1),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_LOW, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_HIGH, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_HIGH2, 0xc8),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_HIGH3, 0x09),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_01_HIGH4, 0xb1),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_LOW, 0xf0),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_HIGH, 0x2),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_HIGH2, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_HIGH3, 0xd3),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_MODE_00_HIGH4, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_IDAC_TSETTLE_HIGH, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_RX_IDAC_TSETTLE_LOW, 0xc0),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_UCDR_FO_GAIN, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_RX0_UCDR_SO_GAIN, 0x02),
+};
+
+static const struct qmp_phy_init_tbl ipq8074_pcie_gen3_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(PCS_COM_FLL_CNTRL2, 0x83),
+ QMP_PHY_INIT_CFG(PCS_COM_FLL_CNT_VAL_L, 0x9),
+ QMP_PHY_INIT_CFG(PCS_COM_FLL_CNT_VAL_H_TOL, 0x42),
+ QMP_PHY_INIT_CFG(PCS_COM_FLL_MAN_CODE, 0x40),
+ QMP_PHY_INIT_CFG(PCS_COM_FLL_CNTRL1, 0x01),
+ QMP_PHY_INIT_CFG(PCS_COM_P2U3_WAKEUP_DLY_TIME_AUXCLK_H, 0x0),
+ QMP_PHY_INIT_CFG(PCS_COM_P2U3_WAKEUP_DLY_TIME_AUXCLK_L, 0x1),
+ QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_ACTIONS, 0x0),
+ QMP_PHY_INIT_CFG(PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_H, 0x00),
+ QMP_PHY_INIT_CFG(PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
+ QMP_PHY_INIT_CFG(PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_H, 0x00),
+ QMP_PHY_INIT_CFG(PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
+ QMP_PHY_INIT_CFG(PCS_PCIE_EQ_CONFIG1, 0x11),
+ QMP_PHY_INIT_CFG(PCS_PCIE_EQ_CONFIG2, 0xb),
+ QMP_PHY_INIT_CFG(PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
+ QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_CONFIG2, 0x52),
+ QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_MODE2_CONFIG2, 0x50),
+ QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_MODE2_CONFIG4, 0x1a),
+ QMP_PHY_INIT_CFG(PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x6),
+ QMP_PHY_INIT_CFG(PCS_COM_G12S1_TXDEEMPH_M3P5DB, 0x10),
+ QMP_PHY_INIT_CFG(PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
+ QMP_PHY_INIT_CFG(PCS_COM_RX_DCC_CAL_CONFIG, 0x01),
+ QMP_PHY_INIT_CFG(PCS_COM_RX_SIGDET_LVL, 0xaa),
+ QMP_PHY_INIT_CFG(PCS_COM_REFGEN_REQ_CONFIG1, 0x0d),
+};
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),
@@ -2083,6 +2210,36 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
.pwrdn_delay_max = 1005, /* us */
};

+static const struct qmp_phy_cfg ipq8074_pciephy_gen3_cfg = {
+ .type = PHY_TYPE_PCIE,
+ .nlanes = 1,
+
+ .serdes_tbl = ipq8074_pcie_gen3_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(ipq8074_pcie_gen3_serdes_tbl),
+ .tx_tbl = ipq8074_pcie_gen3_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(ipq8074_pcie_gen3_tx_tbl),
+ .rx_tbl = ipq8074_pcie_gen3_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(ipq8074_pcie_gen3_rx_tbl),
+ .pcs_tbl = ipq8074_pcie_gen3_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(ipq8074_pcie_gen3_pcs_tbl),
+ .clk_list = ipq8074_pciephy_clk_l,
+ .num_clks = ARRAY_SIZE(ipq8074_pciephy_clk_l),
+ .reset_list = ipq8074_pciephy_reset_l,
+ .num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l),
+ .vreg_list = NULL,
+ .num_vregs = 0,
+ .regs = qmp_v4_usb3phy_regs_layout,
+
+ .start_ctrl = SERDES_START | PCS_START,
+ .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+
+ .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 sdm845_qmp_pciephy_cfg = {
.type = PHY_TYPE_PCIE,
.nlanes = 1,
@@ -3024,8 +3181,15 @@ static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)

init.ops = &clk_fixed_rate_ops;

- /* controllers using QMP phys use 125MHz pipe clock interface */
- fixed->fixed_rate = 125000000;
+ /*
+ * controllers using QMP phys use 125MHz pipe clock interface unless
+ * other frequency is specified in dts
+ */
+ ret = of_property_read_u32(np, "clock-output-rate",
+ (u32 *)&fixed->fixed_rate);
+ if (ret)
+ fixed->fixed_rate = 125000000;
+
fixed->hw.init = &init;

ret = devm_clk_hw_register(qmp->dev, &fixed->hw);
@@ -3196,6 +3360,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
.compatible = "qcom,ipq8074-qmp-pcie-phy",
.data = &ipq8074_pciephy_cfg,
}, {
+ .compatible = "qcom,ipq8074-qmp-pcie-gen3-phy",
+ .data = &ipq8074_pciephy_gen3_cfg,
+ }, {
.compatible = "qcom,sc7180-qmp-usb3-phy",
.data = &sc7180_usb3phy_cfg,
}, {
--
2.7.4
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