From: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>
Add support for Gen5 x4 PCIe QMP PHY found on Glymur platform.
Signed-off-by: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>
Signed-off-by: Wenbin Yao <wenbin.yao@oss.qualcomm.com>
---
drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 95830dcfdec9b1f68fd55d1cc3c102985cfafcc1..fc67ee1e4a3c0c6f2ec23f51c09c3cc16df9aaf4 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -93,6 +93,12 @@ static const unsigned int pciephy_v6_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V6_PCS_POWER_DOWN_CONTROL,
};
+static const unsigned int pciephy_v8_50_regs_layout[QPHY_LAYOUT_SIZE] = {
+ [QPHY_START_CTRL] = QPHY_V8_50_PCS_START_CONTROL,
+ [QPHY_PCS_STATUS] = QPHY_V8_50_PCS_STATUS1,
+ [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V8_50_PCS_POWER_DOWN_CONTROL,
+};
+
static const struct qmp_phy_init_tbl msm8998_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 +2969,7 @@ struct qmp_pcie_offsets {
u16 rx2;
u16 txz;
u16 rxz;
+ u16 txrxz;
u16 ln_shrd;
};
@@ -3229,6 +3236,12 @@ static const struct qmp_pcie_offsets qmp_pcie_offsets_v6_30 = {
.ln_shrd = 0x8000,
};
+static const struct qmp_pcie_offsets qmp_pcie_offsets_v8_50 = {
+ .serdes = 0x8000,
+ .pcs = 0x9000,
+ .txrxz = 0xd000,
+};
+
static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
.lanes = 1,
@@ -4258,6 +4271,22 @@ static const struct qmp_phy_cfg qmp_v6_gen4x4_pciephy_cfg = {
.phy_status = PHYSTATUS_4_20,
};
+static const struct qmp_phy_cfg glymur_qmp_gen5x4_pciephy_cfg = {
+ .lanes = 4,
+
+ .offsets = &qmp_pcie_offsets_v8_50,
+
+ .reset_list = sdm845_pciephy_reset_l,
+ .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
+ .vreg_list = sm8550_qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(sm8550_qmp_phy_vreg_l),
+
+ .regs = pciephy_v8_50_regs_layout,
+
+ .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS_4_20,
+};
+
static void qmp_pcie_init_port_b(struct qmp_pcie *qmp, const struct qmp_phy_cfg_tbls *tbls)
{
const struct qmp_phy_cfg *cfg = qmp->cfg;
@@ -5114,6 +5143,9 @@ static const struct of_device_id qmp_pcie_of_match_table[] = {
}, {
.compatible = "qcom,x1p42100-qmp-gen4x4-pcie-phy",
.data = &qmp_v6_gen4x4_pciephy_cfg,
+ }, {
+ .compatible = "qcom,glymur-qmp-gen5x4-pcie-phy",
+ .data = &glymur_qmp_gen5x4_pciephy_cfg,
},
{ },
};
--
2.34.1
On Thu, Aug 21, 2025 at 02:44:31AM -0700, Wenbin Yao wrote:
> From: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>
>
> Add support for Gen5 x4 PCIe QMP PHY found on Glymur platform.
>
> Signed-off-by: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>
> Signed-off-by: Wenbin Yao <wenbin.yao@oss.qualcomm.com>
> ---
> drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 32 ++++++++++++++++++++++++++++++++
> 1 file changed, 32 insertions(+)
> @@ -5114,6 +5143,9 @@ static const struct of_device_id qmp_pcie_of_match_table[] = {
> }, {
> .compatible = "qcom,x1p42100-qmp-gen4x4-pcie-phy",
> .data = &qmp_v6_gen4x4_pciephy_cfg,
> + }, {
> + .compatible = "qcom,glymur-qmp-gen5x4-pcie-phy",
> + .data = &glymur_qmp_gen5x4_pciephy_cfg,
Please keep the array sorted. LGTM otherwise.
> },
> { },
> };
>
> --
> 2.34.1
>
--
With best wishes
Dmitry
On 8/21/2025 5:57 PM, Dmitry Baryshkov wrote:
> On Thu, Aug 21, 2025 at 02:44:31AM -0700, Wenbin Yao wrote:
>> From: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>
>>
>> Add support for Gen5 x4 PCIe QMP PHY found on Glymur platform.
>>
>> Signed-off-by: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>
>> Signed-off-by: Wenbin Yao <wenbin.yao@oss.qualcomm.com>
>> ---
>> drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 32 ++++++++++++++++++++++++++++++++
>> 1 file changed, 32 insertions(+)
>> @@ -5114,6 +5143,9 @@ static const struct of_device_id qmp_pcie_of_match_table[] = {
>> }, {
>> .compatible = "qcom,x1p42100-qmp-gen4x4-pcie-phy",
>> .data = &qmp_v6_gen4x4_pciephy_cfg,
>> + }, {
>> + .compatible = "qcom,glymur-qmp-gen5x4-pcie-phy",
>> + .data = &glymur_qmp_gen5x4_pciephy_cfg,
> Please keep the array sorted. LGTM otherwise.
OK, will fix it.
>
>> },
>> { },
>> };
>>
>> --
>> 2.34.1
>>
--
With best wishes
Wenbin
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