linux-kernel - Re: [PATCH 6/6] arm64: dts: qcom: qcs404-evb: Enable USB controllers

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Date:   Tue, 7 Apr 2020 18:45:05 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc:     agross@...nel.org, linux-usb@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        jackp@...eaurora.org, robh@...nel.org,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: Re: [PATCH 6/6] arm64: dts: qcom: qcs404-evb: Enable USB controllers

On Wed 11 Mar 12:15 PDT 2020, Bryan O'Donoghue wrote:

> This patch enables the primary and secondary USB controllers on the
> qcs404-evb.
> 
> Primary:
> The primary USB controller has
> 
> - One USB3 SS PHY using gpio-usb-conn
> - One USB2 HS PHY in device mode only and no connector driver
>   associated.
> 
> Secondary:
> The second DWC3 controller which has one USB Hi-Speed PHY attached to it.
> 
> Cc: Andy Gross <agross@...nel.org>
> Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: linux-arm-msm@...r.kernel.org
> Cc: devicetree@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Tested-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>

Hi Bryan,

I dropped the role switching for now, did some testing and applied the
series for v5.8. Let's follow up with a patch adding the role switching
once the dwc3 discussion is sorted out.

Thanks,
Bjorn

> ---
>  arch/arm64/boot/dts/qcom/qcs404-evb.dtsi | 40 ++++++++++++++++++++++++
>  1 file changed, 40 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
> index 44c7dda1e1fc..4dc3f45282fe 100644
> --- a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
> @@ -319,6 +319,46 @@ pinconf {
>  	};
>  };
>  
> +&usb2 {
> +	status = "okay";
> +};
> +
> +&usb2_phy_sec {
> +	vdd-supply = <&vreg_l4_1p2>;
> +	vdda1p8-supply = <&vreg_l5_1p8>;
> +	vdda3p3-supply = <&vreg_l12_3p3>;
> +	status = "okay";
> +};
> +
> +&usb3 {
> +	status = "okay";
> +	dwc3@...0000 {
> +		usb-role-switch;
> +		usb_con: connector {
> +			compatible = "gpio-usb-b-connector";
> +			label = "USB-C";
> +			id-gpios = <&tlmm 116 GPIO_ACTIVE_HIGH>;
> +			vbus-supply = <&usb3_vbus_reg>;
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&usb3_id_pin>, <&usb3_vbus_pin>;
> +			status = "okay";
> +		};
> +	};
> +};
> +
> +&usb2_phy_prim {
> +	vdd-supply = <&vreg_l4_1p2>;
> +	vdda1p8-supply = <&vreg_l5_1p8>;
> +	vdda3p3-supply = <&vreg_l12_3p3>;
> +	status = "okay";
> +};
> +
> +&usb3_phy {
> +	vdd-supply = <&vreg_l3_1p05>;
> +	vdda1p8-supply = <&vreg_l5_1p8>;
> +	status = "okay";
> +};
> +
>  &wifi {
>  	status = "okay";
>  	vdd-0.8-cx-mx-supply = <&vreg_l2_1p275>;
> -- 
> 2.25.1
>