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charset="utf-8" Add squelch detect parameter update for synopsys eusb2 repeater. The values (indicated in basis-points) depict a percentage change with respect to the nominal value. Signed-off-by: Krishna Kurapati Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater= .yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml index 5bf0d6c9c025..f2afcf0e986a 100644 --- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml @@ -59,6 +59,14 @@ properties: minimum: 0 maximum: 7 =20 + qcom,squelch-detector-bp: + description: + This adjusts the voltage level for the threshold used to detect valid + high-speed data. + minimum: -6000 + maximum: 1000 + multipleOf: 1000 + required: - compatible - reg --=20 2.34.1 From nobody Fri Dec 19 20:59:57 2025 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C107133BBA3 for ; 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charset="utf-8" Add support for overriding Squelch Detect parameter. Signed-off-by: Krishna Kurapati --- .../phy/qualcomm/phy-qcom-eusb2-repeater.c | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c b/drivers/phy/q= ualcomm/phy-qcom-eusb2-repeater.c index 651a12b59bc8..a75b37d4e16d 100644 --- a/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c +++ b/drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c @@ -37,6 +37,17 @@ #define EUSB2_TUNE_EUSB_EQU 0x5A #define EUSB2_TUNE_EUSB_HS_COMP_CUR 0x5B =20 +static const int squelch_detector[] =3D { + [0] =3D -6000, + [1] =3D -5000, + [2] =3D -4000, + [3] =3D -3000, + [4] =3D -2000, + [5] =3D -1000, + [6] =3D 0, + [7] =3D 1000, +}; + struct eusb2_repeater_init_tbl_reg { unsigned int reg; unsigned int value; @@ -120,7 +131,9 @@ static int eusb2_repeater_init(struct phy *phy) struct regmap *regmap =3D rptr->regmap; u32 base =3D rptr->base; u32 poll_val; + s32 dt_val; int ret; + int i; u8 val; =20 ret =3D regulator_bulk_enable(rptr->cfg->num_vregs, rptr->vregs); 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charset="utf-8" Add eusb2 repeater tuning parameters for MTP platform. Signed-off-by: Krishna Kurapati Reviewed-by: Abel Vesa --- arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/= qcom/sm8750-mtp.dts index c8cb521b4c26..e28faee466aa 100644 --- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts @@ -1039,10 +1039,14 @@ wifi@0 { }; =20 &pmih0108_eusb2_repeater { - status =3D "okay"; + qcom,tune-usb2-preem =3D /bits/ 8 <0x3>; + qcom,tune-usb2-amplitude =3D /bits/ 8 <0xa>; + qcom,squelch-detector-bp =3D <(-2000)>; =20 vdd18-supply =3D <&vreg_l15b_1p8>; vdd3-supply =3D <&vreg_l5b_3p1>; + + status =3D "okay"; }; =20 &qupv3_1 { --=20 2.34.1