linux-kernel - Re: [PATCH v3 5/5] arm64: dts: qcom: sc7180: Update QUSB2 V2 Phy tuning params for SC7180

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Message-ID: <20200117215949.GS89495@google.com>
Date:   Fri, 17 Jan 2020 13:59:49 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Sandeep Maheswaram <sanm@...eaurora.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Stephen Boyd <swboyd@...omium.org>,
        Doug Anderson <dianders@...omium.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Manu Gautam <mgautam@...eaurora.org>
Subject: Re: [PATCH v3 5/5] arm64: dts: qcom: sc7180: Update QUSB2 V2 Phy
 tuning params for SC7180

On Fri, Jan 10, 2020 at 05:48:19PM +0530, Sandeep Maheswaram wrote:
> Overriding the QUSB2 V2 Phy tuning parameters for SC7180 SOC.

This patch doesn't set the PHY tuning parameters for the SC7180
SoC, but for the IDP board, which is based on the SC7180. Please
reflect this in the commit message (including subject) to avoid
confusion.

> Signed-off-by: Sandeep Maheswaram <sanm@...eaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7180-idp.dts | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> index 388f50a..826cf02 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> @@ -276,9 +276,11 @@
>  	vdda-pll-supply = <&vreg_l11a_1p8>;
>  	vdda-phy-dpdm-supply = <&vreg_l17a_3p0>;
>  	qcom,imp-res-offset-value = <8>;
> -	qcom,hstx-trim-value = <QUSB2_V2_HSTX_TRIM_21_6_MA>;
> -	qcom,preemphasis-level = <QUSB2_V2_PREEMPHASIS_5_PERCENT>;
> +	qcom,preemphasis-level = <QUSB2_V2_PREEMPHASIS_15_PERCENT>;
>  	qcom,preemphasis-width = <QUSB2_V2_PREEMPHASIS_WIDTH_HALF_BIT>;
> +	qcom,bias-ctrl-value = <0x22>;
> +	qcom,charge-ctrl-value = <3>;
> +	qcom,hsdisc-trim-value = <0>;
>  };
>  
>  &usb_1_qmpphy {
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
>