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Message-ID: <f57229ea-69be-4df4-871e-65dfb0d56f5f@linaro.org>
Date:   Wed, 13 Sep 2023 14:11:39 +0200
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Subject: Re: [PATCH v11 12/13] arm64: dts: qcom: sa8295p: Enable tertiary
 controller and its 4 USB ports
Content-Language: en-US
To:     Krishna Kurapati <quic_kriskura@quicinc.com>,
        Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Felipe Balbi <balbi@kernel.org>,
        Wesley Cheng <quic_wcheng@quicinc.com>,
        Johan Hovold <johan@kernel.org>,
        Mathias Nyman <mathias.nyman@intel.com>
Cc:     linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        quic_pkondeti@quicinc.com, quic_ppratap@quicinc.com,
        quic_jackp@quicinc.com, ahalaney@redhat.com,
        quic_shazhuss@quicinc.com
References: <20230828133033.11988-1-quic_kriskura@quicinc.com>
 <20230828133033.11988-13-quic_kriskura@quicinc.com>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
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In-Reply-To: <20230828133033.11988-13-quic_kriskura@quicinc.com>
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On 28.08.2023 15:30, Krishna Kurapati wrote:
> Enable tertiary controller for SA8295P (based on SC8280XP).
> Add pinctrl support for usb ports to provide VBUS to connected peripherals.
> 
> Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 53 ++++++++++++++++++++++++
>  1 file changed, 53 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> index fd253942e5e5..473fe858fbed 100644
> --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> @@ -9,6 +9,7 @@
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>  #include <dt-bindings/spmi/spmi.h>
> +#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
>  
>  #include "sa8540p.dtsi"
>  #include "sa8540p-pmics.dtsi"
> @@ -584,6 +585,20 @@ &usb_1_qmpphy {
>  	status = "okay";
>  };
>  
> +&usb_2 {
> +	pinctrl-0 = <&usb2_en_state>,
> +		    <&usb3_en_state>,
> +		    <&usb4_en_state>,
> +		    <&usb5_en_state>;
> +	pinctrl-names = "default";
> +
> +	status = "okay";
> +};
> +
> +&usb_2_dwc3 {
> +	dr_mode = "host";
I believe you mentioned that the MP controller is host-only
by design. If that's true, move this property to the SoC dtsi
and leave an appropriate comment.

Konrad