linux-kernel - Re: [PATCH v2 2/3] phy: qualcomm: phy-qcom-eusb2-repeater: Add squelch detect param update

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Message-ID: <755b7579-757f-4ced-b3c4-39c20e6b25a7@oss.qualcomm.com>
Date: Fri, 5 Dec 2025 14:31:49 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Krishna Kurapati <krishna.kurapati@....qualcomm.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Luca Weiss
 <luca.weiss@...rphone.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        Pengyu Luo <mitltlatltl@...il.com>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] phy: qualcomm: phy-qcom-eusb2-repeater: Add
 squelch detect param update

On 12/4/25 5:46 AM, Krishna Kurapati wrote:
> Add support for overriding Squelch Detect parameter.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
> ---
>  .../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/qualcomm/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
>  
> +static const int squelch_detector[] = {
> +	[0] = -6000,
> +	[1] = -5000,
> +	[2] = -4000,
> +	[3] = -3000,
> +	[4] = -2000,
> +	[5] = -1000,
> +	[6] = 0,
> +	[7] = 1000,
> +};

I forgot to ask, do these values apply to all of the supported repeaters?

i.e.

PM8550B
PMIV0104
SMB2360

Konrad