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phy: qcom-qmp-pcie: add endpoint support for sa8775p

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Add support for dual lane end point mode PHY found on sa8755p platform.

Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/1697715430-30820-4-git-send-email-quic_msarkar@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Mrinmay Sarkar 2023-10-19 17:07:08 +05:30 committed by Vinod Koul
parent f5d5a0b555
commit 8e11a94e15
2 changed files with 39 additions and 0 deletions
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37
drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
View file

@ -2147,6 +2147,34 @@ static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x4_pcie_rc_serdes_alt_tbl[]
QMP_PHY_INIT_CFG(QSERDES_V5_COM_CLK_SELECT, 0x34),
};
static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V5_COM_BG_TIMER, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYS_CLK_CTRL, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x27),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x17),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x19),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE0, 0xfb),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN0_MODE1, 0xfb),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_INTEGLOOP_GAIN1_MODE1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_CMN_MODE, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x09),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x19),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x28),
};
static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_INSIG_MX_CTRL7, 0x00),
QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_INSIG_SW_CTRL7, 0x00),
};
struct qmp_pcie_offsets {
u16 serdes;
u16 pcs;
@ -3043,6 +3071,15 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x2_pciephy_cfg = {
.pcs_misc_num = ARRAY_SIZE(sa8775p_qmp_gen4_pcie_rc_pcs_misc_tbl),
},
.tbls_ep = &(const struct qmp_phy_cfg_tbls) {
.serdes = sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl,
.serdes_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_serdes_alt_tbl),
.pcs_misc = sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl,
.pcs_misc_num = ARRAY_SIZE(sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl),
.pcs = sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl,
.pcs_num = ARRAY_SIZE(sa8775p_qmp_gen4x2_pcie_ep_pcs_alt_tbl),
},
.reset_list = sdm845_pciephy_reset_l,
.num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
.vreg_list = qmp_phy_vreg_l,

2
drivers/phy/qualcomm/phy-qcom-qmp-pcs-v5_20.h
View file

@ -6,6 +6,8 @@
#ifndef QCOM_PHY_QMP_PCS_V5_20_H_
#define QCOM_PHY_QMP_PCS_V5_20_H_
#define QPHY_V5_20_PCS_INSIG_SW_CTRL7 0x060
#define QPHY_V5_20_PCS_INSIG_MX_CTRL7 0x07c
#define QPHY_V5_20_PCS_G3S2_PRE_GAIN 0x170
#define QPHY_V5_20_PCS_RX_SIGDET_LVL 0x188
#define QPHY_V5_20_PCS_EQ_CONFIG2 0x1d8