linux-kernel - Re: [PATCH v10 9/9] arm64: dts: qcom: ipq9574: Enable USB

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Date:   Fri, 5 May 2023 12:24:13 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Varadarajan Narayanan <quic_varada@...cinc.com>
Cc:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        vkoul@...nel.org, kishon@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, gregkh@...uxfoundation.org,
        mturquette@...libre.com, sboyd@...nel.org, quic_wcheng@...cinc.com,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH v10 9/9] arm64: dts: qcom: ipq9574: Enable USB

On Fri, 5 May 2023 at 11:24, Varadarajan Narayanan
<quic_varada@...cinc.com> wrote:
>
> Turn on USB related nodes
> Provide vdd info
>
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
>  Changes in v10:
>         - Provide vdd info
>
>  Changes in v5:
>         - Move "host" mode specification to board dts
>         - Due to dependency with earlier patches board dts
>           filename changed ipq9574-al02-c7.dts -> ipq9574-rdp433.dts
>
>  Changes in v2:
>         - Fix node placement and coding style
>         - "ok" -> "okay"
> ---
>  arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> index 1f5d14f..18d642c 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> @@ -70,6 +70,10 @@
>         };
>  };
>
> +&dwc_0 {

If the node alias was usb_0_dwc3, it would have been next to the main
usb_0 node. Could you please fix the alias.

> +       dr_mode = "host";
> +};
> +
>  &pcie1_phy {
>         status = "okay";
>  };
> @@ -122,6 +126,21 @@
>         clock-frequency = <32000>;
>  };
>
> +&usb_0_qmpphy {
> +       vdda-pll-supply = <&mp5496_l2>;
> +       vdda-phy-supply = <&fixed_0p925>;
> +
> +       status = "okay";
> +};
> +
> +&usb_0_qusbphy {
> +       vdd-supply = <&fixed_0p925>;
> +       vdda-pll-supply = <&mp5496_l2>;
> +       vdda-phy-dpdm-supply = <&fixed_3p3>;
> +
> +       status = "okay";
> +};
> +
>  &tlmm {

If sorted alphabetically, 'u' comes after 't', so these two chunks are
out of order and should be fixed.

>
>         pcie_1_pin: pcie-1-state {
> @@ -188,6 +207,10 @@
>         };
>  };
>
> +&usb3 {
> +       status = "okay";
> +};
> +
>  &xo_board_clk {
>         clock-frequency = <24000000>;
>  };
> --
> 2.7.4
>


-- 
With best wishes
Dmitry