linux-kernel - Re: [PATCH 1/3] arm64: dts: qcom: sdm845: Add USB-related nodes

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Date:   Mon, 20 Aug 2018 11:17:05 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andy Gross <andy.gross@...aro.org>,
        Douglas Anderson <dianders@...omium.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>, tfiga@...omium.org,
        Manu Gautam <mgautam@...eaurora.org>,
        David Collins <collinsd@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Douglas Anderson <dianders@...omium.org>,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        David Brown <david.brown@...aro.org>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>, linux-soc@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] arm64: dts: qcom: sdm845: Add USB-related nodes

Quoting Douglas Anderson (2018-08-10 14:51:48)
> From: Manu Gautam <mgautam@...eaurora.org>
> 
> This adds nodes for USB and related PHYs.
> 
> Signed-off-by: Manu Gautam <mgautam@...eaurora.org>
> [dianders: reworked quite a bit]
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---

One question below, otherwise

Reviewed-by: Stephen Boyd <swboyd@...omium.org>

> 
> Changes in v2:
> - Use "0x784000" for qfprom rather than "0x780000" as per docs.

?

> - Add calibration for 2nd USB port too
> 
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 196 +++++++++++++++++++++++++++
>  1 file changed, 196 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index ae57c065780c..f13d8c2fb4a5 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -8,6 +8,7 @@
>  #include <dt-bindings/clock/qcom,gcc-sdm845.h>
>  #include <dt-bindings/clock/qcom,rpmh.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/phy/phy-qcom-qusb2.h>
>  #include <dt-bindings/soc/qcom,rpmh-rsc.h>
>  
>  / {
> @@ -249,6 +250,23 @@
>                         #power-domain-cells = <1>;
>                 };
>  
> +               qfprom@...000 {

This doesn't match reg property.

> +                       compatible = "qcom,qfprom";
> +                       reg = <0x780000 0x8ff>;

Because this should be 0x784000?

> +                       #address-cells = <1>;
> +                       #size-cells = <1>;
> +
> +                       qusb2p_hstx_trim: hstx-trim-primary@1eb {
> +                               reg = <0x1eb 0x1>;
> +                               bits = <1 4>;
> +                       };
> +
> +                       qusb2s_hstx_trim: hstx-trim-secondary@1eb {
> +                               reg = <0x1eb 0x2>;
> +                               bits = <6 4>;
> +                       };
> +               };
> +
>                 qupv3_id_0: geniqup@...000 {
>                         compatible = "qcom,geni-se-qup";
>                         reg = <0x8c0000 0x6000>;