From 799ec6e1908f4732bb4426698abac2107d793f2c Mon Sep 17 00:00:00 2001 From: Ziyue Zhang Date: Fri, 15 May 2026 00:00:00 +0800 Subject: [PATCH 1/2] WORKAROUND: phy: qcom: qmp-pcie: Add vdda-refgen and vdda-qref supplies for Monaco The PCIe QMP PHYs on Monaco (QCS8300) require stable reference voltage provided by refgen and reference clock provided by qref. The refgen and qref require power supplies. Add a new sa8775p_qmp_phy_vreg_l list with vdda-qref and vdda-refgen supplies, and use it for qcs8300_qmp_gen4x2, sa8775p_qmp_gen4x2 and sa8775p_qmp_gen4x4 PCIe PHY configurations. Workaround will be reverted once the vote qref regulator for PCIe available in upstream. Signed-off-by: Ziyue Zhang --- drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index d9571af517061..f676fa89894d2 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -3235,6 +3235,10 @@ static const char * const sm8550_qmp_phy_vreg_l[] = { "vdda-phy", "vdda-pll", "vdda-qref", }; +static const char * const sa8775p_qmp_phy_vreg_l[] = { + "vdda-phy", "vdda-pll", "vdda-qref", "vdda-refgen", +}; + /* list of resets */ static const char * const ipq8074_pciephy_reset_l[] = { "phy", "common", @@ -3572,8 +3576,8 @@ static const struct qmp_phy_cfg qcs8300_qmp_gen4x2_pciephy_cfg = { .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), + .vreg_list = sa8775p_qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(sa8775p_qmp_phy_vreg_l), .regs = pciephy_v5_regs_layout, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, @@ -4282,8 +4286,8 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x2_pciephy_cfg = { .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), + .vreg_list = sa8775p_qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(sa8775p_qmp_phy_vreg_l), .regs = pciephy_v5_regs_layout, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, @@ -4323,8 +4327,8 @@ static const struct qmp_phy_cfg sa8775p_qmp_gen4x4_pciephy_cfg = { .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), + .vreg_list = sa8775p_qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(sa8775p_qmp_phy_vreg_l), .regs = pciephy_v5_regs_layout, .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, From 72c4e5e81ae9fcc7836bf16f47da910ba079331f Mon Sep 17 00:00:00 2001 From: Ziyue Zhang Date: Thu, 11 Jun 2026 17:18:27 +0800 Subject: [PATCH 2/2] WORKAROUND: arm64: dts: qcom: Fix vdda-qref and vdda-refgen supplies for PCIe PHYs on qcs8300-ride and monaco-evk The vdda-qref-supply and vdda-refgen-supply for pcie0_phy and pcie1_phy were incorrectly mapped. vdda-qref should be supplied by vreg_l4a and vdda-refgen should be supplied by vreg_l7a. Fix the supply assignments on both qcs8300-ride and monaco-evk boards. Workaround will be reverted once the correct regulator mappings are confirmed and upstreamed. Signed-off-by: Ziyue Zhang --- arch/arm64/boot/dts/qcom/monaco-evk-common.dtsi | 2 ++ arch/arm64/boot/dts/qcom/qcs8300-ride.dts | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco-evk-common.dtsi b/arch/arm64/boot/dts/qcom/monaco-evk-common.dtsi index 2434d1f9f58ba..acf7291f98507 100644 --- a/arch/arm64/boot/dts/qcom/monaco-evk-common.dtsi +++ b/arch/arm64/boot/dts/qcom/monaco-evk-common.dtsi @@ -713,6 +713,7 @@ vdda-phy-supply = <&vreg_l6a>; vdda-pll-supply = <&vreg_l5a>; vdda-qref-supply = <&vreg_l4a>; + vdda-refgen-supply = <&vreg_l7a>; status = "okay"; }; @@ -728,6 +729,7 @@ vdda-phy-supply = <&vreg_l6a>; vdda-pll-supply = <&vreg_l5a>; vdda-qref-supply = <&vreg_l4a>; + vdda-refgen-supply = <&vreg_l7a>; status = "okay"; }; diff --git a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts index 4e2fb94a147c5..1898a93d6c95b 100644 --- a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts +++ b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts @@ -604,6 +604,7 @@ vdda-phy-supply = <&vreg_l6a>; vdda-pll-supply = <&vreg_l5a>; vdda-qref-supply = <&vreg_l4a>; + vdda-refgen-supply = <&vreg_l7a>; status = "okay"; }; @@ -624,6 +625,7 @@ vdda-phy-supply = <&vreg_l6a>; vdda-pll-supply = <&vreg_l5a>; vdda-qref-supply = <&vreg_l4a>; + vdda-refgen-supply = <&vreg_l7a>; status = "okay"; };